WO2018120161A1 - Method and device for transmitting uplink control information - Google Patents

Abstract

Provided in the present application are a method and device for transmitting uplink control information. The method comprises: a terminal receiving downlink common control information sent by a network apparatus, wherein the downlink common control information is used for indicating a transmission resource used by each terminal in a group of terminals for transmitting uplink control information, and the terminal is any one terminal in the group of terminals; and the terminal sending, on the transmission resource, the uplink control information to the network apparatus. By means of downlink common control information indicating, to a group of terminals at the same time, a transmission resource for transmitting uplink control information, the problem in the prior art that a network apparatus needs to respectively send, to each terminal, indication information for indicating a transmission resource for the terminal to transmit uplink control information is prevented, thereby reducing the overheads for sending signalling when the network apparatus configures, for the terminal, the transmission resource for the uplink control information.

Description

Method and device for transmitting uplink control information Technical field

The embodiments of the present application relate to the field of communications, and more specifically, to a method and apparatus for transmitting uplink control information.

Background technique

In a Long Term Evolution (LTE) communication system, a terminal may transmit uplink control information in a different format on a Physical Uplink Control CHannel (PUCCH). The transmission resource for transmitting the uplink control information by the terminal is configured by the network device as the terminal, and the network device sends, to each terminal, indication information of the transmission resource for transmitting the uplink control information by the terminal.

However, in the fifth generation of 5th-Generation (5G) systems, the number of terminals that need to be supported will be far more than the number of terminals in the LTE communication system, for example, a large-scale Internet of Things scenario. In this case, the method for configuring the transmission resource for transmitting the uplink control information may cause the network device to over-provision the signaling when configuring the transmission resource of the uplink control information for the terminal.

Summary of the invention

The present application provides a method and apparatus for transmitting uplink control information to reduce the overhead of signaling when a network device configures a transmission resource of uplink control information for a terminal.

A first aspect provides a method for transmitting uplink control information, where the method includes: receiving, by a terminal, downlink common control information sent by a network device, where the downlink common control information is used to indicate that each terminal in a group of terminals transmits uplink control information The transmission resource used, the terminal is any one of the group of terminals; the terminal sends the uplink control information to the network device on the transmission resource.

The downlink common control information is used as a group of terminals to simultaneously indicate the transmission resource for transmitting the uplink control information. In the prior art, the network device needs to separately send indication information indicating the transmission resource of the terminal to transmit the uplink control information to each terminal, so as to reduce the network. The overhead of signaling when the device configures the transmission resource of the uplink control information for the terminal.

In conjunction with the first aspect, in some implementations of the first aspect, the terminal receives a network device And the downlink common control information that is sent by the network device, where the downlink common control information is scrambled by using a public identifier; the method further includes: the terminal according to the The public identifier descrambles the downlink common control information to determine the transmission resource.

The downlink public control information is scrambled as a group of terminals and the transmission resource of the uplink control information is simultaneously indicated, so that each terminal in the group of terminals can descramble a downlink common control information according to the public identifier to reduce the network. The overhead of signaling when the device configures the transmission resource of the uplink control information for the terminal.

With reference to the first aspect, in some implementations of the first aspect, the method further includes: determining, by the terminal, the type of the uplink control information according to a type of the public identifier, where the public identifier of the different type corresponds Different types of uplink control information; the terminal transmitting the uplink control information to the network device on the transmission resource, where the terminal sends the uplink control information to the network device on the transmission resource The type of the uplink control information is indicated by the type of the public identifier.

The type of the uplink public control information is spoofed for the group of the terminal to indicate the type of the uplink control information, so as to reduce the overhead of signaling when the network device configures the transmission resource of the uplink control information for the terminal.

With reference to the first aspect, in some implementation manners of the first aspect, the terminal descrambles the downlink common control information according to the public identifier, and determines the transmission resource, including: the terminal uses the traversal manner The different public identifiers descramble the downlink common control information until the downlink common control information is successfully descrambled, and the transmission resource is determined.

In conjunction with the first aspect, in some implementations of the first aspect, the method further includes: the terminal receiving the high layer signaling sent by the network device, where the high layer signaling carries the public identifier.

With reference to the first aspect, in some implementations of the first aspect, the public identifier is an ACK-RNTI, and the terminal sends the uplink control information to the network device on the transmission resource, including: The terminal sends the uplink control information to the network device on the transmission resource, where the uplink control information is ACK/NACK information.

With reference to the first aspect, in some implementations of the first aspect, the method further includes: the terminal starting a timer at a time of receiving the downlink common control information, where the timer is used to indicate that the terminal is for the timing The ACK/NACK information is sent by the received data in the time period when the device is started. The terminal sends the ACK/NACK information to the network device on the transmission resource, including: The terminal sends the ACK/NACK information to the network device on the transmission resource for data received within a period of time when the timer is started.

In conjunction with the first aspect, in some implementations of the first aspect, the method further includes: if the timer fails, the terminal does not send the ACK/NACK information to a network device.

With reference to the first aspect, in some implementations of the first aspect, the uplink control information includes any one of the following information: ACK/NACK information, scheduling request SR, aperiodic channel state information CSI, and beam measurement results .

With reference to the first aspect, in some implementations of the first aspect, the transmitting, by the terminal, the uplink control information to the network device on the transmission resource, including: the terminal is located on the transmission resource The network device sends the uplink control information, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information.

In conjunction with the first aspect, in some implementations of the first aspect, before the terminal sends the uplink control information to the network device on the transmission resource, the method further includes: receiving, by the terminal The first indication information that is sent by the network device, where the first indication information is used to indicate that the resource that transmits the uplink control information is a shared resource, where the shared resource is shared by the terminal and other terminals in the group of terminals. Transmission resources.

With reference to the first aspect, in some implementations of the first aspect, the method further includes: the terminal receiving second indication information that is sent by the network device by using high layer information, where the second indication information is used to indicate transmission The transmission resource of the downlink common control information; the terminal receiving the downlink common control information sent by the network device, the method further includes: receiving, by the terminal, the network device, on the transmission resource that transmits the downlink common control information Downlink public control information.

A second aspect provides a method for transmitting uplink control information, where the method includes: the network device sends downlink common control information to a group of terminals, where the downlink common control information is used to indicate that each terminal in the group of terminals transmits a transmission resource used by the uplink control information; the network device receiving the uplink control information on the transmission resource.

The downlink public control information is scrambled as a group of terminals and the transmission resource of the uplink control information is simultaneously indicated, so that each terminal in the group of terminals can descramble a downlink common control information according to the public identifier to reduce the network. The overhead of signaling when the device configures the transmission resource of the uplink control information for the terminal.

With reference to the second aspect, in some implementation manners of the second aspect, the network device sends downlink common control information to a group of terminals, including: the network device sends a downlink public control to a group of terminals Information, the downlink common control information is scrambled using a public identity.

The downlink public control information is scrambled as a group of terminals and the transmission resource of the uplink control information is simultaneously indicated, so that each terminal in the group of terminals can descramble a downlink common control information according to the public identifier to reduce the network. The overhead of signaling when the device configures the transmission resource of the uplink control information for the terminal.

With reference to the second aspect, in some implementation manners of the second aspect, the different types of the common identifiers correspond to different types of uplink control information.

The type of the uplink public control information is spoofed for the group of the terminal to indicate the type of the uplink control information, so as to reduce the overhead of signaling when the network device configures the transmission resource of the uplink control information for the terminal.

With reference to the second aspect, in some implementations of the second aspect, the method further includes: the network device sending the high layer signaling to the terminal, where the high level signaling carries the public identifier.

With reference to the second aspect, in some implementations of the second aspect, the public identifier is an ACK-RNTI, and the network device receives the uplink control information on the transmission resource, including: the network device is in the Receiving, by using the transmission resource, the uplink control information sent by the terminal, where the uplink control information is ACK/NACK information.

With reference to the second aspect, in some implementations of the second aspect, the method further includes: the network device starting a timer at a start time of sending the downlink common control information; the network device according to the timing The apparatus determines that the terminal is the ACK/NACK information transmitted for data received during a period in which the timer is started.

With reference to the second aspect, in some implementations of the second aspect, the uplink control information includes any one of the following information: ACK/NACK information, scheduling request SR, aperiodic channel state information CSI, and beam measurement results .

With reference to the second aspect, in some implementations of the second aspect, the receiving, by the network device, the uplink control information on the transmission resource used by the uplink control information, includes: the network device is in the And receiving, by the transmission resource used for transmitting the uplink control information, the uplink control information, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information.

With reference to the second aspect, in some implementations of the second aspect, before the network device sends the downlink common control information to the group of terminals, the method further includes: sending, by the network device, the first Instructing information, the first indication information is used to instruct the terminal to transmit the uplink The resource of the control information is a shared resource, and the shared resource is a transmission resource shared by the terminal and other terminals in the group of terminals.

With reference to the second aspect, in some implementations of the second aspect, the method further includes: the network device sending second indication information to the terminal by using high layer signaling, where the second indication information is used to indicate transmission The transmission resource of the downlink common control information; the network device sending the downlink common control information to the group of terminals, the method further includes: the network device reporting the group to the group of the downlink common control information The terminal sends downlink common control information.

In a third aspect, an apparatus for transmitting uplink control information is provided, comprising means for performing the method of the first aspect.

In a fourth aspect, an apparatus for transmitting uplink control information is provided, comprising means for performing the method of the second aspect.

In a fifth aspect, an apparatus for transmitting uplink control information is provided, comprising a transceiver and a processor, the processor performing the method of the first aspect based on the transceiver.

In a sixth aspect, an apparatus for transmitting uplink control information is provided, comprising a processor and a transceiver, the processor performing the method of the second aspect based on the transceiver.

In a seventh aspect, a computer readable medium storing program code for execution, the program code comprising instructions for performing the method of the first aspect.

In an eighth aspect, a computer readable medium storing program code for execution, the program code comprising instructions for performing the method of the second aspect.

DRAWINGS

FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.

FIG. 2 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application.

FIG. 3 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application.

FIG. 4 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application.

FIG. 5 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application.

FIG. 6 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application.

FIG. 7 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied. The wireless communication system 100 can include a network device 110. Network device 110 may be a device that communicates with a terminal device. Network device 100 can provide communication coverage for a particular geographic area and can communicate with terminal devices located within the coverage area.

FIG. 1 exemplarily shows one network device and two terminals. Alternatively, the wireless communication system 100 may include multiple network devices and may include other numbers of terminals within the coverage of each network device. This example does not limit this.

Optionally, the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.

It should be understood that the technical solution of the present invention can be applied to various communication systems, for example, a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, and a wideband code division. Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced Long Term Evolution (LTE-A) System, Universal Mobile Telecommunication System (UMTS), NR (New Radio Access Technology), 5G, and the like.

It should be understood that, in the embodiment of the present application, the terminal device may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), a mobile device (handset) and portable devices, etc., the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal device can be a mobile phone (or For "cellular" phones, computers with wireless communication capabilities, etc., the terminal devices can also be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices.

In this embodiment, the network device may be an access network device, for example, may be a base station, a Transmit and Receive Point (TRP) or an access point, and the base station may be a base station in GSM or CDMA (Base Transceiver Station). , BTS), may also be a base station (NodeB) in WCDMA, may also be an evolved base station (evolved Node B, eNB or e-NodeB) in LTE, or may be an NR or 5G base station (gNB), this application The embodiment does not specifically limit this.

FIG. 2 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application. figure 2 The methods shown include:

The terminal receives the downlink common control information sent by the network device, where the Common Digital Identifier (Common DCI) is used to indicate the transmission resource used by each terminal in the group of terminals to transmit the uplink control information, where the terminal Is any one of the set of terminals.

Specifically, the above group of terminals may include a plurality of terminals.

The transmission resource used by each terminal in the group to transmit the uplink control information may refer to that each of the group of terminals transmits uplink control information on different transmission resources; and may also refer to each of the group of terminals. The terminal transmits uplink control information on the same transmission resource.

Optionally, the foregoing transmission resource may be a time-frequency resource, and the foregoing transmission resource may also be a transmission resource corresponding to a physical uplink control channel (PUCCH).

220. The terminal sends the uplink control information to the network device on the transmission resource.

Specifically, the terminal sends the uplink control information on a transmission resource used by the uplink control information indicated by the downlink common control information.

Optionally, the uplink control information includes any one of the following information: ACK/NACK information, Scheduling Request (SR), Channel State Information (CSI), and measurement result of the beam.

Specifically, the measurement result of the foregoing beam may refer to a measurement result generated after the terminal measures the beam.

The CSI may further include a channel quality indicator (CQI) information, etc., for informing the network device of the downlink channel quality, to help the network device perform downlink scheduling.

It should be noted that, when the uplink control information is aperiodic CSI, the network device may trigger the terminal to send the aperiodic CSI to the network device by sending the downlink common control information to the terminal.

Optionally, as an embodiment, the terminal receives downlink common control information sent by the network device, where the terminal receives the downlink common control information sent by the network device, and the downlink public control information uses a public identifier. The method further includes: the terminal descrambling the downlink common control information according to the public identifier, and determining the transmission resource.

Specifically, the public identifier may be shared by each terminal of the group of terminals, that is, each terminal of the group of terminals may solve the downlink common control information by using the public identifier. Disturb.

Optionally, the public identifier may be a public network temporary identifier (RNTI).

It should be noted that the foregoing uplink control information may include multiple types of uplink control information, and the terminal may determine, according to the preset uplink control information type, the transmission resource that transmits the uplink control information of the type by using the downlink common control information.

For example, the terminal may determine the transmission resource of the SR information in the uplink control information according to the protocol, and may indicate the downlink common control information. Similarly, the network device may determine, according to the protocol, that the transmission resource of the SR information transmitted by the terminal may be controlled by the downlink. Information is determined. When the network device sends the downlink common control information to the terminal, the network device may not indicate to the terminal the type of the uplink control information, and the terminal may directly determine that the transmission resource of the uplink control information indicated by the downlink common control information is used to transmit the SR information. Transmission resources.

Optionally, as an embodiment, the terminal descrambles the downlink common control information according to the public identifier, and determines the transmission resource, where: the terminal compares the downlink common control information according to the public identifier. Desmuting, determining the transmission resource; the terminal determining, according to the type of the public identifier, the type of the uplink control information, different types of uplink control information corresponding to the type of the common identifier; And transmitting, by the terminal, the uplink control information to the network device, where the terminal sends the uplink control information to the network device, where the type of the uplink control information is the public identifier. Instructed.

Specifically, the type of the public identifier may be used to indicate the type of the uplink control information, and the terminal may determine the type of the uplink control information according to the type of the public identifier that successfully descrambles the downlink common control information.

The type of the public identifier may be determined according to the type of the uplink control information sent by the network device, for example, the network device instructs the terminal to send the SR information, the public identifier may use the SR-RNTI, and the network device instructs the terminal to send the ACK/NACK information. The public identity can use ACK-RNTI.

For example, the foregoing control information may be an SR-RNTI. After the terminal successfully descrambles the downlink common control information by using the SR-RNTI, the terminal may determine that the downlink common control information is used to indicate a transmission resource for transmitting the SR information. The foregoing control information may be ACK-RNTI, after the terminal successfully descrambles the downlink common control information by using the ACK-RNTI, the terminal may determine that the downlink common control information is used to indicate the transmission resource for transmitting the ACK information or the NACK information.

Optionally, as an embodiment, the terminal descrambles the downlink common control information according to the public identifier, including: the terminal descrambles the downlink common control information by using different public identifiers in a traversal manner. Until the downlink common control information is successfully descrambled.

Specifically, the terminal may separately descramble the downlink public information by using the pre-stored multiple public identifiers until the terminal successfully descrambles the downlink common control information.

It should be noted that, after the terminal traverses all the pre-stored public identifiers to descramble the downlink common control information, the terminal may not descramble the downlink common control information.

Optionally, as an embodiment, the method further includes: receiving, by the terminal, high layer signaling sent by the network device, where the high layer signaling carries the public identifier.

Optionally, the foregoing high layer signaling may be Radio Resource Control (RRC) signaling.

Optionally, as an embodiment, the public identifier is an ACK-RNTI, and the terminal sends the uplink control information to the network device on the transmission resource, where: the terminal is on the transmission resource. And sending the uplink control information to the network device, where the uplink control information is ACK/NACK information.

Specifically, the ACK/NACK information may be feedback information that the terminal feeds back to the reception status of the data corresponding to the ACK/NACK information.

Optionally, the ACK/NACK information may be feedback information that is sent by the terminal for receiving the data corresponding to the ACK/NACK information, and may refer to the data received by the terminal before the time when the downlink common control information is successfully demodulated. The feedback that is performed may also be referred to as the feedback of the data received by the terminal before the time when the downlink common control information is received, which is not specifically limited in this embodiment of the present application.

Optionally, as an embodiment, the method further includes: when the terminal receives the downlink common control information, starting a timer, where the timer is used to indicate that the terminal receives the time period during which the timer is started. The received data sends ACK/NACK information; the terminal sends ACK/NACK information to the network device on the transmission resource, including: data received by the terminal during a time period initiated by the timer, Sending the ACK/NACK information to the network device on the transmission resource.

Specifically, the terminal may start a timer when receiving the downlink common control information. The terminal may send ACK/NACK information for the received data feedback during the startup of the timer.

Optionally, as an embodiment, the method further includes: if the timer fails, the The terminal does not send the ACK/NACK information to the network device.

Optionally, as an embodiment, the sending, by the terminal, the uplink control information to the network device on the transmission resource, includes: sending, by the terminal, the uplink to the network device on the transmission resource And control information, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information.

Specifically, the network device may determine, according to the feature value sequence information of the terminal carried in the uplink control information, the terminal device that sends the uplink control information.

Optionally, the foregoing feature value sequence information may be an identifier of the terminal device, or may be a wireless network temporary identifier of the terminal.

Optionally, as an embodiment, before the sending, by the terminal, the uplink control information to the network device on the transmission resource, the method further includes: receiving, by the terminal, the first sent by the network device Instructing information, the first indication information is used to indicate that the resource that transmits the uplink control information is a shared resource, and the shared resource is a transmission resource that is shared by the terminal and other terminals in the group of terminals.

Specifically, the network device may indicate to the terminal that the transmission resource that the terminal transmits the uplink control information is a transmission resource shared with other terminals, and the terminal avoids conflicts caused by transmitting uplink control information on the same transmission resource with other terminals. The terminal may encode the identifier of the uplink control information using the terminal, so that the transmission resource may be multiplexed with other terminals on the shared resource.

Optionally, if the multiple terminals simultaneously transmit the uplink control information on the shared resource, and the terminal does not use the terminal to encode the uplink control information by using the feature value sequence corresponding to the terminal, the network device may detect whether there is a conflict on the shared resource. If the network device detects that there is a conflict on the shared resource, the network device may re-allocate the transmission resource for transmitting the uplink control information for the conflicting terminal.

For example, the network device configures a shared resource for transmitting SR information for at least a part of the terminal, that is, at least some of the terminals transmit SR information on the shared resource, if the terminal does not transmit the SR information, After the SR information is scrambled by using the feature sequence corresponding to the terminal, the network device may detect the transmission conflict. At this time, the network device may reconfigure the transmission resource for transmitting the SR information for the terminal that transmits the conflict, and may pass the new downlink. The common control information indicates that the terminal newly transmits the transmission resource of the SR information, so that the terminal can resend the SR information on the new transmission resource.

If the terminal uses the feature sequence corresponding to the terminal to scramble the SR information during the process of transmitting the SR information, the network device may not detect the transmission conflict. In this case, the network device may send The terminal that sends the SR information configures the uplink data transmission authorization, so that the terminal can transmit the uplink data.

Optionally, as an embodiment, the method further includes: receiving, by the terminal, second indication information that is sent by the network device by using the high layer information, where the second indication information is used to indicate that the downlink common control information is transmitted. And transmitting, by the terminal, the downlink common control information sent by the network device, the method further includes: receiving, by the terminal, downlink common control information sent by the network device, on the transmission resource that transmits the downlink common control information.

FIG. 3 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application. The method shown in Figure 3 includes:

The network device sends the downlink common control information to the group of terminals, where the downlink common control information is used to indicate that each terminal of the group of terminals transmits the transmission resource used by the uplink control information.

320. The network device receives the uplink control information on the transmission resource.

Optionally, as an embodiment, the network device sends downlink common control information to a group of terminals, where the network device sends downlink common control information to a group of terminals, where the downlink common control information is scrambled by using a public identifier. .

Optionally, as an embodiment, different types of uplink control information corresponding to different types of the public identifiers.

Specifically, the network device may indicate the type of the uplink control information that the terminal needs to send by the type of the public identifier that scrambles the downlink common control information.

Optionally, as an embodiment, the method further includes: the network device sending high layer signaling to the terminal, where the high layer signaling carries the public identifier.

Optionally, as an embodiment, the public identifier is an ACK-RNTI, and the network device receives the uplink control information on the transmission resource, where the network device receives the The uplink control information sent by the terminal, where the uplink control information is ACK/NACK information.

Optionally, as an embodiment, the method further includes: the network device starts a timer at a start time of sending the downlink common control information; and the network device determines, according to the timer, that the terminal is targeted The ACK/NACK information transmitted by the received data during the period in which the timer is started.

Optionally, as an embodiment, the uplink control information includes any one of the following information: ACK/NACK information, a scheduling request SR, aperiodic channel state information CSI, and a measurement result.

Optionally, as an embodiment, the network device transmits the uplink control information in the Receiving the uplink control information on the used transmission resource, the network device receiving the uplink control information on the transmission resource used by the uplink control information, where the uplink control information carries the uplink control The characteristic value sequence information of the terminal of the information.

Optionally, as an embodiment, before the sending, by the network device, the downlink common control information to the group of terminals, the method further includes: first indication information that is sent by the network device to the terminal, the first The indication information is used to indicate that the resource that the terminal transmits the uplink control information is a shared resource, and the shared resource is a transmission resource that is shared by the terminal and other terminals in the group of terminals.

Optionally, if the multiple terminals simultaneously transmit the uplink control information on the shared resource, and the terminal does not use the terminal to encode the uplink control information by using the feature value sequence corresponding to the terminal, the network device may detect whether there is a conflict on the shared resource. If the network device detects that there is a conflict on the shared resource, the network device may re-allocate the transmission resource for transmitting the uplink control information for the conflicting terminal.

For example, the network device configures a shared resource for transmitting SR information for at least a part of the terminal, that is, at least some of the terminals transmit SR information on the shared resource, if the terminal does not transmit the SR information, After the SR information is scrambled by using the feature sequence corresponding to the terminal, the network device may detect the transmission conflict. At this time, the network device may reconfigure the transmission resource for transmitting the SR information for the terminal that transmits the conflict, and may pass the new downlink. The common control information indicates that the terminal newly transmits the transmission resource of the SR information, so that the terminal can resend the SR information on the new transmission resource.

If the terminal uses the feature sequence corresponding to the terminal to scramble the SR information in the process of transmitting the SR information, the network device may not detect the transmission conflict. In this case, the network device may configure the uplink data transmission for the terminal that sends the SR information. Authorization, so that the terminal can transmit uplink data.

Optionally, as an embodiment, the method further includes: sending, by the network device, the second indication information to the terminal by using the high layer signaling, where the second indication information is used to indicate that the downlink common control information is transmitted. And transmitting, by the network device, the downlink common control information to the group of terminals, where the network device sends the downlink common control information to the group of terminals on the transmission resource that transmits the downlink common control information.

The device for transmitting uplink control information in the embodiment of the present application is described in detail with reference to FIG. 1 to FIG. 3 . The device for transmitting uplink control information in the embodiment of the present application is described in detail below with reference to FIG. 4 to FIG. 7 . It should be understood that the apparatus shown in FIG. 4 to FIG. 7 can implement the various steps in FIG. 2, and to avoid repetition, details are not described herein again.

FIG. 4 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application. The apparatus 400 shown in Figure 4 includes:

The first receiving module 410 is configured to receive downlink common control information that is sent by the network device, where the downlink common control information is used to indicate a transmission resource used by each terminal in the group of terminals to transmit uplink control information, where the terminal is the one Any one of the group terminals;

The sending module 420 is configured to send the uplink control information to the network device on the transmission resource.

Optionally, as an embodiment, the first receiving module is further configured to: receive the downlink common control information sent by the network device, where the downlink common control information is scrambled by using a public identifier; The method includes: a determining module, configured to descramble the downlink common control information according to the public identifier, and determine the transmission resource.

Optionally, as an embodiment, the determining module is specifically configured to: determine, according to the type of the public identifier, the type of the uplink control information, and different types of uplink control information corresponding to the type of the common identifier; The sending module is specifically configured to send the uplink control information to the network device on the transmission resource, where the type of the uplink control information is indicated by a type of the public identifier.

Optionally, as an embodiment, the determining module is further configured to: descramble the downlink common control information by using different common identifiers in a traversal manner, until the downlink common control information is successfully descrambled, and determining Said transmission resources.

Optionally, as an embodiment, the device further includes: a second receiving module, configured to receive high layer signaling sent by the network device, where the high layer signaling carries the public identifier.

Optionally, as an embodiment, the public identifier is an ACK-RNTI, and the sending module is further configured to: send the uplink control information, the uplink control information, to the network device on the transmission resource. For ACK/NACK information.

Optionally, as an embodiment, the device further includes: a startup module, configured to start a timer at a time of receiving the downlink common control information, where the timer is used to indicate a time period that the terminal starts for the timer The received data is sent ACK/NACK information; the sending module is further configured to: send the ACK to the network device on the transmission resource for data received during a time period initiated by the timer /NACK information.

Optionally, as an embodiment, the sending module is further configured to: if the timer fails, send the ACK/NACK information to the network device.

Optionally, as an embodiment, the uplink control information includes any one of the following information: ACK/NACK information, a scheduling request SR, aperiodic channel state information CSI, and a measurement result of a beam.

Optionally, as an embodiment, the sending module is further configured to: send the uplink control information to the network device on the transmission resource, where the uplink control information carries a terminal that transmits the uplink control information. Characteristic value sequence information.

Optionally, as an embodiment, the device further includes: a third receiving module, configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate that the uplink control information is transmitted. The resource is a shared resource, and the shared resource is a transmission resource shared by the terminal and other terminals in the group of terminals.

Optionally, as an embodiment, the device further includes: a fourth receiving module, configured to receive second indication information that is sent by the network device by using the high layer information, where the second indication information is used to indicate that the downlink is transmitted. The first receiving module is further configured to: receive downlink common control information sent by the network device on the transmission resource that transmits the downlink common control information.

FIG. 5 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application. The device shown in Figure 5 includes:

The first sending module 510 is configured to send downlink common control information to a group of terminals, where the downlink common control information is used to indicate that each terminal of the group of terminals transmits a transmission resource used by the uplink control information;

The first receiving module 520 is configured to receive the uplink control information on the transmission resource.

Optionally, as an embodiment, the first sending module is specifically configured to: send downlink common control information to a group of terminals, where the downlink common control information is scrambled by using a public identifier.

Optionally, as an embodiment, different types of uplink control information corresponding to different types of the public identifiers.

Optionally, as an embodiment, the device further includes: a second sending module, configured to send high-level signaling to the terminal, where the high-level signaling carries the public identifier.

Optionally, as an embodiment, the public identifier is an ACK-RNTI, and the first receiving module is further configured to: receive the uplink control information sent by the terminal on the transmission resource, where the uplink is The control information is ACK/NACK information.

Optionally, as an embodiment, the apparatus further includes: a startup module, configured to send at the sending station Determining a start time of the downlink common control information, and determining, by the determining module, determining, according to the timer, the ACK/NACK sent by the terminal for data received during a time period in which the timer is started information.

Optionally, as an embodiment, the uplink control information includes any one of the following information: ACK/NACK information, a scheduling request SR, aperiodic channel state information CSI, and a measurement result of a beam.

Optionally, as an embodiment, the first receiving module is further configured to: receive the uplink control information on a transmission resource used by the uplink control information, where the uplink control information carries the The feature value sequence information of the terminal of the uplink control information.

Optionally, as an embodiment, the device further includes: a third sending module, configured to send first indication information to the terminal, where the first indication information is used to instruct the terminal to transmit the uplink control The resource of the information is a shared resource, and the shared resource is a transmission resource shared by the terminal and other terminals in the group of terminals.

Optionally, as an embodiment, the apparatus further includes: a fourth sending module, configured to send second indication information to the terminal by using high layer signaling, where the second indication information is used to indicate that the downlink public is transmitted The first transmission module is further configured to: send downlink common control information to the group of terminals on the transmission resource that transmits the downlink common control information.

FIG. 6 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application. The apparatus 600 shown in FIG. 6 includes a transceiver 610 and a processor 620.

The transceiver 610 is configured to receive downlink common control information that is sent by the network device, where the downlink common control information is used to indicate that each terminal in the group of terminals transmits transmission resources used by the uplink control information, where the terminal is the group of terminals. Any one of the terminals; and is further configured to send the uplink control information to the network device on the transmission resource.

Optionally, as an embodiment, the transceiver is further configured to: receive the downlink common control information sent by the network device, where the downlink common control information is scrambled by using a public identifier; the device further includes: And a processor, configured to descramble the downlink common control information according to the public identifier, and determine the transmission resource.

Optionally, as an embodiment, the processor 620 is specifically configured to: determine, according to the type of the public identifier, the type of the uplink control information, and the different types of uplink control information corresponding to the type of the common identifier; The transceiver is specifically configured to: report the The network device sends the uplink control information, where the type of the uplink control information is indicated by the type of the public identifier.

Optionally, as an embodiment, the processor is further configured to: descramble the downlink common control information by using different common identifiers in a traversal manner, until the downlink common control information is successfully descrambled, and determining Said transmission resources.

Optionally, as an embodiment, the transceiver is configured to receive high layer signaling sent by the network device, where the high layer signaling carries the public identifier.

Optionally, as an embodiment, the public identifier is an ACK-RNTI, and the transceiver is further configured to: send the uplink control information, the uplink control information, to the network device on the transmission resource. For ACK/NACK information.

Optionally, as an embodiment, the processor is configured to start a timer at a time of receiving the downlink common control information, where the timer is used to indicate that the terminal receives the time period that is started by the timer. The data is sent with ACK/NACK information. The transceiver is further configured to send the ACK/NACK information to the network device on the transmission resource for data received during a time period initiated by the timer.

Optionally, as an embodiment, the transceiver is further configured to: if the timer fails, send the ACK/NACK information to the network device.

Optionally, as an embodiment, the uplink control information includes any one of the following information: ACK/NACK information, a scheduling request SR, aperiodic channel state information CSI, and a measurement result of a beam.

Optionally, as an embodiment, the transceiver is further configured to: send the uplink control information to the network device on the transmission resource, where the uplink control information carries a terminal that transmits the uplink control information. Characteristic value sequence information.

Optionally, as an embodiment, the transceiver is configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate that the resource that transmits the uplink control information is a shared resource, where The shared resource is a transmission resource shared by the terminal and other terminals in the group of terminals.

Optionally, as an embodiment, the transceiver is configured to receive second indication information that is sent by the network device by using high layer information, where the second indication information is used to indicate transmission resource of the downlink common control information. The transceiver is further configured to: receive downlink common control information sent by the network device on the transmission resource that transmits the downlink common control information.

FIG. 7 is a schematic block diagram of an apparatus for transmitting uplink control information according to an embodiment of the present application. The apparatus 700 shown in FIG. 7 includes a transceiver 710 and a processor 720.

The transceiver 710 is configured to send downlink common control information to a group of terminals, where the downlink common control information is used to indicate a transmission resource used by each terminal in the group of terminals to transmit uplink control information, and is also used in the transmission. The uplink control information is received on the resource.

Optionally, as an embodiment, the transceiver is specifically configured to: send downlink common control information to a group of terminals, where the downlink common control information is scrambled by using a public identifier.

Optionally, as an embodiment, different types of uplink control information corresponding to different types of the public identifiers.

Optionally, as an embodiment, the transceiver is configured to send high-level signaling to the terminal, where the high-level signaling carries the public identifier.

Optionally, as an embodiment, the public identifier is an ACK-RNTI, and the transceiver is further configured to: receive, by using the transmission resource, the uplink control information sent by the terminal, where the uplink control information is For ACK/NACK information.

Optionally, as an embodiment, the processor is configured to start a timer at a start time of sending the downlink common control information, and is further configured to determine, according to the timer, that the terminal is for the timing The ACK/NACK information sent by the received data during the time period initiated by the device.

Optionally, as an embodiment, the uplink control information includes any one of the following information: ACK/NACK information, a scheduling request SR, aperiodic channel state information CSI, and a measurement result of a beam.

Optionally, as an embodiment, the transceiver is further configured to: receive the uplink control information on a transmission resource used by the uplink control information, where the uplink control information carries the uplink control The characteristic value sequence information of the terminal of the information.

Optionally, as an embodiment, the transceiver is configured to send the first indication information to the terminal, where the first indication information is used to indicate that the resource that the terminal transmits the uplink control information is a shared resource. The shared resource is a transmission resource shared by the terminal and other terminals in the group of terminals.

Optionally, as an embodiment, the transceiver is configured to send second indication information to the terminal by using high layer signaling, where the second indication information is used to indicate transmission resource of the downlink common control information. And transmitting downlink common control information to the group of terminals on the transmission resource that transmits the downlink common control information.

It should be understood that in the embodiment of the present application, "B corresponding to A" means that B is associated with A, and B can be determined according to A. However, it should also be understood that determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.

It should be understood that the term "and/or" herein is merely an association relationship describing an associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and A and B exist simultaneously. There are three cases of B alone. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.

It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application. The implementation process constitutes any limitation.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), A variety of media that can store program code, such as random access memory (RAM), disk, or optical disk.

Claims (44)

A method for transmitting uplink control information, comprising: The terminal receives the downlink common control information sent by the network device, where the downlink common control information is used to indicate the transmission resource used by each terminal in the group of terminals to transmit the uplink control information, where the terminal is any one of the group of terminals. ; The terminal sends the uplink control information to the network device on the transmission resource. The method of claim 1, wherein the receiving, by the terminal, the downlink common control information sent by the network device comprises: Receiving, by the terminal, the downlink common control information sent by the network device, where the downlink common control information is scrambled by using a public identifier; The method further includes: Determining, by the terminal, the downlink common control information according to the public identifier, and determining the transmission resource. The method of claim 2, wherein the method further comprises: Determining, according to the type of the public identifier, the type of the uplink control information, and different types of uplink control information corresponding to the public identifiers of different types; Sending, by the terminal, the uplink control information to the network device on the transmission resource, including: The terminal sends the uplink control information to the network device on the transmission resource, where the type of the uplink control information is indicated by the type of the public identifier. The method according to claim 3, wherein the terminal descrambles the downlink common control information according to the public identifier, and determines the transmission resource, including: The terminal descrambles the downlink common control information by using different public identifiers in a traversal manner until the downlink common control information is successfully descrambled, and the transmission resource is determined. The method of any of claims 2-4, wherein the method further comprises: The terminal receives the high layer signaling sent by the network device, where the high layer signaling carries the public identifier. The method according to any one of claims 2 to 5, wherein the public identifier is an ACK-RNTI, and the terminal sends the uplink control information to the network device on the transmission resource, including : The terminal sends the uplink control information to the network device on the transmission resource, where the uplink control information is ACK/NACK information. The method of claim 6 wherein the method further comprises: The terminal starts a timer at the time of receiving the downlink common control information, where the timer is used to instruct the terminal to send ACK/NACK information for the data received during the time period in which the timer is started; Sending, by the terminal, ACK/NACK information to the network device on the transmission resource, including: The terminal sends the ACK/NACK information to the network device on the transmission resource for data received within a period of time when the timer is started. The method of claim 7 wherein the method further comprises: If the timer fails, the terminal does not send the ACK/NACK information to the network device. The method according to any one of claims 1 to 8, wherein the uplink control information comprises any one of the following information: ACK/NACK information, scheduling request SR, aperiodic channel state information CSI, and beam Measurement results. The method according to any one of claims 1 to 9, wherein the terminal transmitting the uplink control information to the network device on the transmission resource comprises: The terminal sends the uplink control information to the network device on the transmission resource, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information. The method of claim 10, wherein before the terminal sends the uplink control information to the network device on the transmission resource, the method further includes: The terminal receives the first indication information that is sent by the network device, where the first indication information is used to indicate that the resource that transmits the uplink control information is a shared resource, where the shared resource is the terminal and the group of terminals. The transmission resources shared by other terminals in the network. The method of any of claims 1 to 11, wherein the method further comprises: Receiving, by the terminal, second indication information that is sent by the network device by using the high layer information, where the second indication information is used to indicate that the transmission resource of the downlink common control information is transmitted; Receiving the downlink common control information sent by the network device, the terminal further includes: The terminal receives downlink common control information sent by the network device on the transmission resource that transmits the downlink common control information. A method for transmitting uplink control information, comprising: The network device sends the downlink common control information to the group of terminals, where the downlink common control information is used to indicate that each terminal of the group of terminals transmits the transmission resource used by the uplink control information; The network device receives the uplink control information on the transmission resource. The method of claim 13, wherein the network device sends the downlink common control information to the group of terminals, including: The network device sends downlink common control information to a group of terminals, and the downlink common control information is scrambled using a public identifier. The method of claim 14, wherein the different types of the public identifiers correspond to different types of uplink control information. The method of claim 14 or 15, wherein the method further comprises: The network device sends high-level signaling to the terminal, where the high-level signaling carries the public identifier. The method according to any one of claims 14-16, wherein the public identifier is an ACK-RNTI, and the network device receives the uplink control information on the transmission resource, including: The network device receives the uplink control information sent by the terminal on the transmission resource, where the uplink control information is ACK/NACK information. The method of claim 17 wherein the method further comprises: The network device starts a timer at a start time of sending the downlink common control information; The network device determines, according to the timer, the ACK/NACK information that is sent by the terminal for data received during a period in which the timer is started. The method according to any one of claims 13 to 18, wherein the uplink control information comprises any one of the following information: ACK/NACK information, scheduling request SR, aperiodic channel state information CSI, and beam Measurement results. The method according to any one of claims 13 to 19, wherein the receiving, by the network device, the uplink control information on the transmission resource used for transmitting the uplink control information comprises: The network device receives the uplink control information on the transmission resource used by the uplink control information, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information. The method of claim 20, wherein before the sending, by the network device, the downlink common control information to the group of terminals, the method further comprises: The first indication information that is sent by the network device to the terminal, where the first indication information is used to indicate that the resource that the terminal transmits the uplink control information is a shared resource, where the shared resource is the terminal and the A transmission resource shared by other terminals in a group of terminals. The method of any of claims 13 to 21, wherein the method further comprises: The network device sends the second indication information to the terminal by using the high layer signaling, where the second indication information is used to indicate that the transmission resource of the downlink common control information is transmitted; The network device sends the downlink common control information to the group of terminals, and further includes: The network device sends downlink common control information to the group of terminals on the transmission resource that transmits the downlink common control information. An apparatus for transmitting uplink control information, comprising: a first receiving module, configured to receive downlink common control information sent by the network device, where the downlink common control information is used to indicate a transmission resource used by each terminal in the group of terminals to transmit uplink control information, where the terminal is the group Any one of the terminals; And a sending module, configured to send the uplink control information to the network device on the transmission resource. The device according to claim 23, wherein the first receiving module is further configured to: Receiving, by the network device, the downlink common control information, where the downlink common control information is scrambled by using a public identifier; The device also includes: And a determining module, configured to descramble the downlink common control information according to the public identifier, and determine the transmission resource. The device according to claim 24, wherein the determining module is specifically configured to: Determining, according to the type of the public identifier, different types of uplink control information corresponding to the type of the uplink control information, and different types of the common identifiers; The sending module is specifically configured to: Sending the uplink control information to the network device on the transmission resource, where the uplink control The type of information is indicated by the type of the public identity. The device according to claim 25, wherein the determining module is further configured to: Decoding the downlink common control information by using different public identifiers in a traversal manner until the downlink common control information is successfully descrambled, and determining the transmission resource. The device of any of claims 24-26, wherein the device further comprises: The second receiving module is configured to receive the high layer signaling sent by the network device, where the high level signaling carries the public identifier. The device according to any one of claims 24 to 27, wherein the public identifier is an ACK-RNTI, and the sending module is further configured to: And transmitting, to the network device, the uplink control information, where the uplink control information is ACK/NACK information. The device of claim 28, wherein the device further comprises: a startup module, configured to start a timer at a time of receiving the downlink common control information, where the timer is used to instruct the terminal to send ACK/NACK information for data received during a period in which the timer is started; The sending module is further specifically configured to: Sending the ACK/NACK information to the network device on the transmission resource for data received during a period of time when the timer is started. The device of claim 29, wherein the sending module is further configured to: If the timer fails, the ACK/NACK information is not sent to the network device. The apparatus according to any one of claims 23 to 30, wherein the uplink control information comprises any one of the following information: ACK/NACK information, scheduling request SR, aperiodic channel state information CSI, and beam Measurement results. The device according to any one of claims 23 to 31, wherein the sending module is further configured to: The uplink control information is sent to the network device on the transmission resource, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information. The device of claim 32, wherein the device further comprises: a third receiving module, configured to receive the first indication information that is sent by the network device, where the first indication information is used to indicate that the resource that transmits the uplink control information is a shared resource, where the shared resource is the terminal and the A transmission resource shared by other terminals in a group of terminals. The device of any of claims 23-33, wherein the device further comprises: a fourth receiving module, configured to receive second indication information that is sent by the network device by using the high layer information, where the second indication information is used to indicate that the transmission resource of the downlink common control information is transmitted; The first receiving module is further specifically configured to: Receiving downlink common control information sent by the network device on the transmission resource that transmits the downlink common control information. An apparatus for transmitting uplink control information, comprising: a first sending module, configured to send downlink common control information to a group of terminals, where the downlink common control information is used to indicate that each terminal of the group of terminals transmits a transmission resource used by the uplink control information; The first receiving module is configured to receive the uplink control information on the transmission resource. The device according to claim 35, wherein the first sending module is specifically configured to: Downlink common control information is sent to a group of terminals, and the downlink common control information is scrambled using a public identity. The device according to claim 36, wherein different types of uplink control information corresponding to different types of the public identifiers are provided. The device of claim 36 or 37, wherein the device further comprises: The second sending module is configured to send high-level signaling to the terminal, where the high-level signaling carries the public identifier. The device according to any one of claims 36 to 38, wherein the public identifier is an ACK-RNTI, and the first receiving module is further configured to: Receiving, by using the transmission resource, the uplink control information sent by the terminal, where the uplink control information is ACK/NACK information. The device of claim 39, wherein the device further comprises: a startup module, configured to start a timer at a start time of sending the downlink common control information; Determining a module, configured to determine, according to the timer, that the terminal is for starting at the timer The ACK/NACK information transmitted by the received data within the time period. The apparatus according to any one of claims 35 to 40, wherein the uplink control information comprises any one of the following information: ACK/NACK information, scheduling request SR, aperiodic channel state information CSI, and beam Measurement results. The device according to any one of claims 35 to 41, wherein the first receiving module is further configured to: And receiving the uplink control information on the transmission resource used by the uplink control information, where the uplink control information carries the feature value sequence information of the terminal that transmits the uplink control information. The device of claim 42, wherein the device further comprises: a third sending module, configured to send the first indication information to the terminal, where the first indication information is used to indicate that the resource that the terminal transmits the uplink control information is a shared resource, and the shared resource is the terminal A transmission resource shared with other terminals in the set of terminals. The device of any of claims 35-43, wherein the device further comprises: a fourth sending module, configured to send the second indication information to the terminal by using the high layer signaling, where the second indication information is used to indicate that the transmission resource of the downlink common control information is transmitted; The first sending module is further specifically configured to: And transmitting downlink common control information to the group of terminals on the transmission resource that transmits the downlink common control information.

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