CN113543042B - Power reporting method and device - Google Patents

Abstract

The embodiment of the application discloses a power reporting method and equipment, belongs to the field of communication, and solves the problem that power reporting cannot be performed in a scene that an SCG only receives MBS messages. The method can be executed by a terminal device and comprises the following steps: receiving a multicast broadcast service MBS message through an auxiliary cell group SCG; responding to the MBS message, and sending a physical uplink control channel PUCCH through a target cell; reporting first power information of type 4PH or second power information of virtual type 2PH of the target cell under the condition that no Physical Uplink Shared Channel (PUSCH) transmission exists on the target cell and the power headroom PH needs to be reported; wherein the type 4PH is used for power information calculation in case of PUCCH-only transmission; the virtual type 2PH is used for power information calculation by type 2PH without PUSCH transmission.

Description

Power reporting method and device

technical field

Embodiments of the present invention relate to the field of communications, and in particular, to a power reporting method and device.

Background technique

Multicast Broadcast Service (MBS) is a technology for transmitting data from one data source to multiple targets, and using this technology can improve the utilization rate of network resources (especially air interface resources). With the application and promotion of multimedia sharing services, MBS transmission is particularly important for a New Radio (New Radio, NR) system.

When the terminal device receives the MBS message through the Secondary Cell Group (SCG), only the downlink Physical Downlink Shared Channel (PDSCH) is transmitted, and there is no uplink Physical Uplink Shared Channel (PUSCH) transmission. That is, there is no Uplink Shared Channel (UL-SCH), and in this case, the power information cannot be reported using the existing power headroom (Power Headroom, PH) type.

Therefore, it is necessary to provide a related solution for power reporting, so as to realize the reporting of power information of the SCG in the scenario where the SCG only receives MBS messages.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present invention is to provide a power reporting method and device, so as to solve the problem that power reporting cannot be performed in a scenario where the SCG only receives MBS messages.

In a first aspect, a power reporting method is provided, the method is performed by a terminal device, and the method includes:

Receive a multicast broadcast service MBS message through the secondary cell group SCG;

In response to the MBS message, send a physical uplink control channel PUCCH through the target cell;

In the case that there is no physical uplink shared channel PUSCH transmission on the target cell and the power headroom PH needs to be reported, report the first power information of the target cell type 4PH or the second power information of the virtual type 2PH;

Wherein, the type 4PH is used for power information calculation in the case of only PUCCH transmission; the virtual type 2PH is used for power information calculation through the type 2PH without PUSCH transmission.

In a second aspect, a power reporting method is provided, the method is performed by a network device, and the method includes:

Send MBS messages through SCG;

receive PUCCH through the target cell;

receiving the first power information of the target cell type 4PH or the second power information of the virtual type 2PH;

Wherein, the first power information and the second power information are reported by the terminal equipment when there is no PUSCH transmission on the target cell and PH needs to be reported, and the type 4 PH is used when there is only PUCCH transmission The power information calculation under the type 2PH; the virtual type 2PH is used for the power information calculation through the type 2PH without PUSCH transmission.

In a third aspect, a terminal device is provided, and the terminal device includes:

a receiving module for receiving MBS messages through the SCG;

a sending module, configured to send the PUCCH through the target cell in response to the MBS message;

The sending module is further configured to report the first power information of the target cell type 4PH or the second power information of the virtual type 2PH when there is no PUSCH transmission on the target cell and the PH needs to be reported;

Wherein, the type 4PH is used for power information calculation in the case of only PUCCH transmission; the virtual type 2PH is used for power information calculation through the type 2PH without PUSCH transmission.

In a fourth aspect, a network device is provided, and the network device includes:

The sending module is used to send the MBS message through the SCG;

a receiving module for receiving the PUCCH through the target cell;

The receiving module is further configured to receive the first power information of the target cell type 4PH or the second power information of the virtual type 2PH;

Wherein, the first power information and the second power information are reported by the terminal equipment when there is no PUSCH transmission on the target cell and PH needs to be reported, and the type 4 PH is used when there is only PUCCH transmission The power information calculation under the type 2PH; the virtual type 2PH is used for the power information calculation through the type 2PH without PUSCH transmission.

In a fifth aspect, a terminal device is provided, the terminal device includes a processor, a memory, and an instruction or program stored on the memory and executable on the processor, the instruction or program being executed by the processor When executed, the steps of the power reporting method described in the first aspect are implemented.

In a sixth aspect, a network device is provided, the network device comprising a processor, a memory, and an instruction or program stored on the memory and executable on the processor, the instruction or program being executed by the processor During execution, the power reporting method described in the second aspect is implemented.

In a seventh aspect, a readable storage medium is provided, and instructions or programs are stored on the readable storage medium, and when the instructions or programs are executed by a processor, any one of the first aspect and the second aspect is implemented power reporting method.

In the embodiment of the present invention, in a scenario where the SCG only receives MBS messages, the first power information of type 4PH or the second power information of virtual type 2PH can be reported through the target cell, which solves the problem that the power information cannot be reported, and facilitates the network The device obtains relevant power information in time, which provides the possibility for flexible network deployment, various Internet of Things and broadcasting applications.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

1 is a schematic flowchart of a power reporting method according to an embodiment of the present invention;

2 is a schematic flowchart of a power reporting method according to another embodiment of the present invention;

3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;

4 is a schematic structural diagram of a network device according to an embodiment of the present invention;

5 is a schematic structural diagram of a terminal device according to another embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a network device according to another embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application. "And/or" in various embodiments of the present specification means at least one of the former and the latter.

It should be understood that the technical solutions in the embodiments of the present invention can be applied to various communication systems, such as: a long term evolution (Long Term Evolution, LTE) system, an LTE frequency division duplex (Frequency Division Duplex, FDD) system, an LTE time division duplex ( Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS) or Worldwide Interoperability for Microwave Access (WiMAX) communication system, 5G system, or New Radio (NR) system, Or for the subsequent evolution of the communication system.

In this embodiment of the present invention, the terminal equipment may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile telephone (Mobile Telephone), a user equipment (User Equipment, UE), a mobile phone (handset) and portable equipment (portable equipment), vehicle (vehicle), etc., the terminal equipment can communicate with one or more core networks via a radio access network (Radio Access Network, RAN), for example, the terminal equipment can be a mobile phone (or The terminal device may also be a portable, pocket-sized, hand-held, computer-built-in or vehicle-mounted mobile device.

In the embodiment of the present invention, the network device is a device deployed in a wireless access network to provide a wireless communication function for a terminal device. The network device may be a base station, and the base station may include various forms of macro base station, micro base station, relay station, access point, and the like. In systems with different radio access technologies, the names of devices with base station functions may vary. For example, in an LTE network, it is called an Evolved NodeB (eNB or eNodeB), in a 3rd Generation (3G) network, it is called a Node B (Node B), and in a 5G system, it is called a NodeB A generation Node B (gNB), or a network device in a subsequent evolved communication system, etc., however, the term does not constitute a limitation.

As shown in FIG. 1, an embodiment of the present invention provides a power reporting method 100, which can be executed by a terminal device, in other words, the method can be executed by software or hardware installed in the terminal device, and the method includes the following steps :

S102: Receive a multicast broadcast service (Multicast Broadcast Service, MBS) message through a secondary cell group (Secondary Cell group, SCG).

S104: In response to the MBS message, send a Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH) through the target cell.

Optionally, the target cell may be a cell in a master cell group (Master Cell Group, MCG), for example, the target cell is a primary cell (Primary Cell, PCell) or a secondary cell (Secondary Cell, SCell) in the MCG. In this example, the SCG may not be configured with uplink resources, and the SCG does not have uplink transmission, which is convenient to reduce the consumption of uplink reception of network equipment and save resources.

The target cell may also be a cell within the SCG, for example, the target cell is a primary secondary cell (Primary Secondary Cell, PSCell) or an SCell within the SCG.

The PUCCH sent in this step may be an acknowledgment message (ACK) or a negative message (NACK), which are respectively used to indicate that the MBS message is successfully received and the MBS message is not received successfully.

S106: In the case where there is no physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) transmission on the target cell and a power headroom (Power Headroom, PH) needs to be reported, report the target cell type 4PH (PH Type4) the first A power information or second power information of a virtual type 2PH (virtual PH Type2, or referred to as a reference type 2PH).

The above-mentioned Type 4PH is used for power information calculation in the case of only PUCCH transmission. For example, the first power information calculated by the Type 4PH can be obtained by subtracting the transmission power of the PUCCH from the maximum uplink transmission power.

In this embodiment, the type 4PH is a newly defined power headroom reporting type, and only the transmission power of the PUCCH needs to be calculated, and the transmission power of the PUSCH does not need to be calculated (usually, the PUSCH is not transmitted). Therefore, other similar terms may be used to refer to Type 4PH. For example, Type 5PH, Type 6PH, etc. can be distinguished from PH Type1, PHType2 and PH Type3 in the related art.

The above virtual Type 2PH is used for power information calculation by Type 2PH without PUSCH transmission. For example, when there is no PUSCH transmission, the virtual type 2PH uses the PUSCH transmission power of the reference format or the PUSCH transmission power of 0 power as the PUSCH transmission power.

In this embodiment, the virtual type 2PH is the power information calculation performed with reference to the type 2PH in the absence of PUSCH transmission. Therefore, other similar terms may be used to represent the virtual type 2PH. For example, refer to Type 2PH, etc., as long as it can be distinguished from Type 2PH in the related art.

Optionally, in this embodiment, the first power information or the second power information may be placed in a power headroom report (PowerHeadroom Report, PHR) media access layer control element (Media Access Control-Control Element, MAC CE), and The PHR MAC CE is sent through the uplink subframe.

In the power reporting method provided by the embodiment of the present invention, in the scenario where the SCG only receives MBS messages, the first power information of type 4PH or the second power information of virtual type 2PH can be reported through the target cell, which solves the problem that the power information cannot be reported. , it is convenient for network equipment to obtain relevant power information in time, and it is possible for flexible network deployment, various Internet of Things and broadcasting applications.

The power reporting method provided by the embodiments of the present invention can also be applied to non-MBS scenarios. For example, in IoT applications sometimes only downlink reception occurs. In this case, the power reporting method provided by the embodiments of the present invention can also be used.

Optionally, the first power information of the type 4PH in Embodiment 100 includes at least one of the following two:

1) The power headroom after the terminal equipment sends the PUCCH, for example, type 4PH (PH type4) indicates the power headroom after the terminal equipment sends the PUCCH.

2) The maximum cell transmit power available after the terminal equipment sends the PUCCH, for example, the maximum cell transmit power of the cell after the terminal equipment sends the PUCCH.

Optionally, the first power information of Type 4PH in Embodiment 100 is reported by the terminal device under the condition that at least one of the following is satisfied:

1) Prohibit power headroom reporting PHR timer (prohibitPHR-Timer) does not run, the terminal device obtains uplink resources for new data transmission and the downlink path loss change exceeds the first threshold value, specifically for example, prohibitPHR-Timer When the timeout expires, the terminal device has resources for uplink new data transmission and the path loss change from the last PH information reporting time exceeds the uplink path loss change threshold (dl-PathlossChange) dB.

2) Periodic PHR timer expires.

3) The PHR function is configured or reconfigured, for example, the upper layer configures or reconfigures the PH reporting function (except for the configuration that prohibits PH reporting).

It should be noted that the embodiments of the present invention are not limited to the above-mentioned triggering modes, and other modes capable of triggering the terminal to perform PH reporting may also be applicable to the embodiments of the present invention.

In a specific example, the first power information of the target cell type 4PH is calculated by the following formula:

PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i }

P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} }

Wherein, PH _type4,c (i) is the first power information;

i is the transmission timing of the PUCCH.

P _EMAX,c is the maximum transmit power of the terminal equipment.

P _PowerClass is the power class of the terminal device, which can be obtained from the terminal power class table.

ΔP _PowerClass is the power level deviation, and in this embodiment, it may be assumed that the power level deviation is fixed at 3 dB.

P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device.

PL _c is the downlink path loss.

_ΔTF,i is an uplink control information (Uplink Control Information, UCI) transmission power increment value. In this embodiment, it may be assumed that the values of _ΔTF,i in different PUCCH formats are the same.

In the above formula, it is assumed that Maximum Power Reduction (MPR) = 0dB; Additional Maximum Power Reduction (A-MPR) = 0dB; Power Management Maximum Power Reduction (Power Management Maximum Power Reduction) , P-MPR)=0dB; cell transmission power control deviation (TC)=0dB.

In the above formula, the initial PUCCH transmission power is: the sum of the initial reference PUCCH and the initial terminal PUCCH; wherein both the initial reference PUCCH and the initial terminal PUCCH may be pre-configured by radio resource control (Radio Resource Control, RRC) signaling.

Optionally, the second power information of the virtual type 2PH of the target cell reported in Embodiment 100 includes at least one of the following:

1) The second power information of the SCG virtual type 2PH is reported through the primary cell group MCG, and the target cell is the MCG. That is, the terminal device reports "second power information of the SCG cell" through the MCG.

2) reporting the second power information of the SCG virtual type 2PH through the SCG, and the target cell is the SCG. That is, the terminal equipment reports "second power information of the SCG cell" through the SCG.

It can be understood that the terminal equipment can only report the second power information of the SCG virtual type 2PH through the MCG; it can also report the second power information of the SCG virtual type 2PH only through the SCG; The power information, and the second power information of the SCG virtual type 2PH is reported through the SCG.

In a specific example, the reporting the second power information of the virtual type 2PH of the target cell includes: reporting the second power information of the SCG virtual type 2PH through the MCG, and the target cell is the MCG; wherein, The prohibition of reporting the second power information of the SCG virtual type 2PH through the SCG is predefined or configured by the network device.

Specifically, for example, through the configuration of the network device or the agreement in the protocol, it may be prohibited for "the terminal device to report the "power information of the SCG cell" through the SCG. In a specific example, the SCG is not configured for any PUSCH uplink transmission, so the PHR MAC CE cannot be reported, and the terminal device does not trigger the SCG to report "power information of the SCG cell".

In embodiment 100, after the terminal device sends the PUCCH, the terminal device considers that the referenced (or virtual) PUSCH is also sent, so the method for calculating the second power information of the reported virtual type 2PH includes any of the following:

1) The power headroom after the virtual PUSCH and the actual PUCCH are sent; the power headroom is the power headroom after the reference (or virtual) PUSCH and the actual PUCCH are sent.

2) The power headroom after the virtual PUSCH and the virtual PUCCH are sent. The power headroom is the power headroom after the reference (or virtual) PUSCH and the reference (or virtual) PUCCH are transmitted.

It can be understood that in case 2), that is, in the case where both the PUSCH and the PUCCH are sent, the terminal device may not report the power information.

Optionally, the second power information is reported by the terminal device when at least one of the following conditions is satisfied:

1) The prohibition PHR timer is not running (for example, timed out), and the downlink path loss variation of the target cell exceeds the second threshold;

2) the periodic PHR timer of the target cell times out;

3) adding, changing or deactivating the target cell;

4) The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value;

5) The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value.

The power reporting method according to the embodiment of the present invention is described in detail above with reference to FIG. 1 . The power reporting method according to another embodiment of the present invention will be described in detail below with reference to FIG. 2 . It can be understood that the interaction between the network device and the terminal device described from the network device side is the same as the description on the terminal device side in the method shown in FIG. 1 , and related descriptions are appropriately omitted to avoid repetition.

FIG. 2 is a schematic diagram of an implementation flowchart of a power reporting method according to an embodiment of the present invention, which can be applied to a network device side. As shown in Figure 2, the method 200 includes:

S202: Send the MBS message through the SCG.

S204: Receive the PUCCH through the target cell.

S206: Receive the first power information of the target cell type 4PH or the second power information of the virtual type 2PH.

Wherein, the first power information and the second power information are reported by the terminal equipment when there is no PUSCH transmission on the target cell and PH needs to be reported, and the type 4 PH is used when there is only PUCCH transmission The power information calculation under the type 2PH; the virtual type 2PH is used for the power information calculation through the type 2PH without PUSCH transmission.

In the power reporting method provided by the embodiment of the present invention, in the scenario where the SCG only receives MBS messages, the first power information of type 4PH or the second power information of virtual type 2PH can be reported through the target cell, which solves the problem that the power information cannot be reported. , it is convenient for network equipment to obtain relevant power information in time, and it is possible for flexible network deployment, various Internet of Things and broadcasting applications.

Optionally, as an embodiment, the first power information includes at least one of the following:

the power headroom after the terminal device sends the PUCCH;

The maximum cell transmit power available after the terminal device transmits the PUCCH.

Optionally, as an embodiment, the first power information is reported by the terminal device when at least one of the following conditions is satisfied:

It is prohibited that the PHR timer does not run, the terminal device obtains uplink resources for new data transmission, and the change of the downlink path loss exceeds the first threshold value;

Periodic PHR timer expires;

The PHR function is configured or reconfigured.

Optionally, as an embodiment, the first power information is calculated by the following formula:

PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i }

P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} }

Wherein, PH _type4,c (i) is the first power information;

i is the transmission timing of PUCCH;

P _EMAX,c is the maximum transmit power of the terminal device;

P _PowerClass is the power class of the terminal equipment;

ΔP _PowerClass is the power level deviation;

P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device;

PL _c is the downlink path loss;

_ΔTF,i is the incremental value of the UCI transmit power of the uplink control information.

Optionally, as an embodiment, the second power information is:

Reported by the terminal equipment through the MCG, the target cell is the MCG; and/or

Reported by the terminal equipment through the SCG, the target cell is the SCG.

Optionally, as an embodiment, the second power information is reported by the terminal device through an MCG, and the target cell is the MCG;

Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG.

Optionally, as an embodiment, the second power information includes one of the following:

Power headroom after virtual PUSCH and actual PUCCH transmission; or

Power headroom after virtual PUSCH and virtual PUCCH are transmitted.

Optionally, as an embodiment, the second power information is reported by the terminal device when at least one of the following conditions is satisfied:

It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold;

The periodic PHR timer of the target cell times out;

the addition, modification or deactivation of the target cell;

The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value;

The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value.

The power reporting method according to the embodiment of the present invention is described in detail above with reference to FIG. 1 to FIG. 2 . The terminal device according to the embodiment of the present invention will be described in detail below with reference to FIG. 3 .

FIG. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in FIG. 3, the terminal device 300 includes:

a receiving module 302, which can be used to receive the MBS message through the SCG;

The sending module 304 may be configured to send the PUCCH through the target cell in response to the MBS message;

The sending module 304 can also be configured to report the first power information of the target cell type 4PH or the second power information of the virtual type 2PH when there is no PUSCH transmission on the target cell and the PH needs to be reported;

Wherein, the type 4PH is used for power information calculation in the case of only PUCCH transmission; the virtual type 2PH is used for power information calculation through the type 2PH without PUSCH transmission.

In the embodiment of the present invention, in a scenario where the SCG only receives MBS messages, the first power information of type 4PH or the second power information of virtual type 2PH can be reported through the target cell, which solves the problem that the power information cannot be reported, and is convenient for network equipment Timely acquisition of relevant power information provides possibilities for flexible network deployment, various Internet of Things and broadcast applications.

Optionally, as an embodiment, the first power information includes at least one of the following:

the power headroom after the terminal device sends the PUCCH;

The maximum cell transmit power available after the terminal device transmits the PUCCH.

Optionally, as an embodiment, the first power information is reported under the condition that at least one of the following is satisfied:

Forbid the power headroom to report that the PHR timer is not running, the terminal device has obtained uplink resources for new data transmission, and the downlink path loss change exceeds the first threshold;

Periodic PHR timer expires;

The PHR function is configured or reconfigured.

Optionally, as an embodiment, the first power information is calculated by the following formula:

PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i }

P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} }

Wherein, PH _type4,c (i) is the first power information;

i is the transmission timing of PUCCH;

P _EMAX,c is the maximum transmit power of the terminal device;

P _PowerClass is the power class of the terminal equipment;

ΔP _PowerClass is the power level deviation;

P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device;

PL _c is the downlink path loss;

_ΔTF,i is the incremental value of the UCI transmit power of the uplink control information.

Optionally, as an embodiment, the sending module 304 may be configured to perform at least one of the following:

reporting the second power information of the SCG virtual type 2PH through the primary cell group MCG, and the target cell is the MCG;

The second power information of the SCG virtual type 2PH is reported by the SCG, and the target cell is the SCG.

Optionally, as an embodiment, the sending module 304 may be configured to report the second power information of the SCG virtual type 2PH through the MCG, and the target cell is the MCG;

Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG.

Optionally, as an embodiment, the second power information includes one of the following:

Power headroom after virtual PUSCH and actual PUCCH transmission; or

Power headroom after virtual PUSCH and virtual PUCCH are transmitted.

Optionally, as an embodiment, the second power information is reported under the condition that at least one of the following is satisfied:

It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold;

The periodic PHR timer of the target cell times out;

the addition, modification or deactivation of the target cell;

The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value;

The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value.

The terminal device 300 according to the embodiment of the present invention may refer to the process of the method 100 corresponding to the embodiment of the present invention, and each unit/module and the above-mentioned other operations and/or functions in the terminal device 300 are respectively for the purpose of realizing the corresponding steps in the method 100. process, and can achieve the same or equivalent technical effect, for brevity, no further description is given here.

FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 4, the network device 400 includes:

The sending module 402 can be used to send the MBS message through the SCG;

a receiving module 404, which can be configured to receive the PUCCH through the target cell;

The receiving module 404 can also be configured to receive the first power information of the target cell type 4PH or the second power information of the virtual type 2PH;

Wherein, the first power information and the second power information are reported by the terminal equipment when there is no PUSCH transmission on the target cell and PH needs to be reported, and the type 4 PH is used when there is only PUCCH transmission The power information calculation under the type 2PH; the virtual type 2PH is used for the power information calculation through the type 2PH without PUSCH transmission.

In the embodiment of the present invention, in a scenario where the SCG only receives MBS messages, the first power information of type 4PH or the second power information of virtual type 2PH can be reported through the target cell, which solves the problem that the power information cannot be reported, and is convenient for network equipment Timely acquisition of relevant power information provides possibilities for flexible network deployment, various Internet of Things and broadcast applications.

Optionally, as an embodiment, the first power information includes at least one of the following:

the power headroom after the terminal device sends the PUCCH;

The maximum cell transmit power available after the terminal device transmits the PUCCH.

Optionally, as an embodiment, the first power information is reported by the terminal device when at least one of the following conditions is satisfied:

It is prohibited that the PHR timer does not run, the terminal device obtains uplink resources for new data transmission, and the change of the downlink path loss exceeds the first threshold value;

Periodic PHR timer expires;

The PHR function is configured or reconfigured.

Optionally, as an embodiment, the first power information is calculated by the following formula:

PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i }

P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} }

Wherein, PH _type4,c (i) is the first power information;

i is the transmission timing of PUCCH;

P _EMAX,c is the maximum transmit power of the terminal device;

P _PowerClass is the power class of the terminal equipment;

ΔP _PowerClass is the power level deviation;

P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device;

PL _c is the downlink path loss;

_ΔTF,i is the incremental value of the UCI transmit power of the uplink control information.

Optionally, as an embodiment, the second power information is:

Reported by the terminal equipment through the MCG, the target cell is the MCG; and/or

Reported by the terminal equipment through the SCG, the target cell is the SCG.

Optionally, as an embodiment, the second power information is reported by the terminal device through an MCG, and the target cell is the MCG;

Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG.

Optionally, as an embodiment, the second power information includes one of the following:

Power headroom after virtual PUSCH and actual PUCCH transmission; or

Power headroom after virtual PUSCH and virtual PUCCH are transmitted.

Optionally, as an embodiment, the second power information is reported by the terminal device when at least one of the following conditions is satisfied:

It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold;

The periodic PHR timer of the target cell times out;

the addition, modification or deactivation of the target cell;

The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value;

The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value.

The network device 400 according to the embodiment of the present invention may refer to the process of the method 200 corresponding to the embodiment of the present invention, and each unit/module and the above-mentioned other operations and/or functions in the network device 400 are to implement the corresponding steps in the method 200, respectively. process, and can achieve the same or equivalent technical effect, for brevity, no further description is given here.

The various embodiments in this specification are described in a progressive manner, and each embodiment usually focuses on the differences from other embodiments, and the same and similar parts between the various embodiments may be referred to each other. As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for related parts, please refer to the partial description of the method embodiment.

Where an indefinite or definite article (eg, "a," "an," "the") is used when referring to a singular noun, the singular noun includes the plural of that noun unless specifically stated otherwise.

Furthermore, the terms "first," "second," and "third," etc. are used in the specification and claims to distinguish between similar parameters and these terms do not necessarily describe an order or temporal order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are capable of operation in other orders than described or illustrated herein.

FIG. 5 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal device 500 shown in FIG. 5 includes: at least one processor 501 , memory 502 , at least one network interface 504 and user interface 503 . The various components in terminal device 500 are coupled together by bus system 505 . It is understood that the bus system 505 is used to implement the connection communication between these components. In addition to the data bus, the bus system 505 also includes a power bus, a control bus and a status signal bus. However, for clarity of illustration, the various buses are labeled as bus system 505 in FIG. 5 .

The user interface 503 may include a display, a keyboard, a pointing device (eg, a mouse, a trackball), a touch pad or a touch screen, and the like.

It can be understood that the memory 502 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Wherein, the non-volatile memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synchlink DRAM, SLDRAM) and Direct memory bus random access memory (DirectRambus RAM, DRRAM). The memory 502 of the systems and methods described in the embodiments of the present invention is intended to include, but not be limited to, these and any other suitable types of memory.

In some embodiments, memory 502 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set of them: an operating system 5021 and applications 5022 .

The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks. The application program 5022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., for implementing various application services. The program for implementing the method of the embodiment of the present invention may be included in the application program 5022 .

In this embodiment of the present invention, the terminal device 500 further includes: a computer program stored on the memory 502 and executable on the processor 501 , and the computer program is executed by the processor 501 to implement the steps of the following method embodiment 100 .

The methods disclosed in the above embodiments of the present invention may be applied to the processor 501 or implemented by the processor 501 . The processor 501 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by an integrated logic circuit of hardware in the processor 501 or an instruction in the form of software. The above-mentioned processor 501 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other possible Programming logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present invention may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other computer-readable storage media that are mature in the art. The computer-readable storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502, and completes the steps of the above method in combination with its hardware. Specifically, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 501, each step of the foregoing method embodiment 100 is implemented.

It can be understood that the embodiments described in the embodiments of the present invention may be implemented by hardware, software, firmware, middleware, microcode or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Device (DSP Device, DSPD), programmable logic Devices (ProgrammableLogic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units for performing the functions described in this application or a combination thereof.

For software implementation, the techniques described in the embodiments of the present invention may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present invention. Software codes may be stored in memory and executed by a processor. The memory can be implemented in the processor or external to the processor.

The terminal device 500 can implement each process implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described here.

Please refer to FIG. 6 . FIG. 6 is a structural diagram of a network device applied in an embodiment of the present invention, which can implement the details of method embodiment 200 and achieve the same effect. As shown in FIG. 6, the network device 600 includes: a processor 601, a transceiver 602, a memory 603 and a bus interface, wherein:

In this embodiment of the present invention, the network device 600 further includes: a computer program stored on the memory 603 and executable on the processor 601 , and the computer program is executed by the processor 601 to implement the steps of the method embodiment 200 .

In FIG. 6, the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors represented by processor 601 and various circuits of memory represented by memory 603 linked together. The bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein. The bus interface provides the interface. Transceiver 602 may be a number of elements, including a transmitter and a receiver, that provide a means for communicating with various other devices over a transmission medium.

The processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 601 in performing operations.

Embodiments of the present invention further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, implements any one of the foregoing method embodiments 100 and 200. and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here. The computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk, or an optical disk.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present invention can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present invention.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the spirit of the present invention and the scope protected by the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (31)

1. A power reporting method, wherein the method is performed by a terminal device, and the method comprises: Receive a multicast broadcast service MBS message through the secondary cell group SCG; In response to the MBS message, send a physical uplink control channel PUCCH through the target cell; In the case that there is no physical uplink shared channel PUSCH transmission on the target cell and the power headroom PH needs to be reported, report the first power information of the target cell type 4PH or the second power information of the virtual type 2PH; Wherein, the type 4PH is used for power information calculation in the case of only PUCCH transmission; the virtual type 2PH is used for power information calculation through type 2PH without PUSCH transmission; Wherein, the reporting of the second power information of the virtual type 2PH of the target cell includes at least one of the following: reporting the second power information of the SCG virtual type 2PH through the primary cell group MCG, and the target cell is the MCG; The second power information of the SCG virtual type 2PH is reported by the SCG, and the target cell is the SCG. 2. The method according to claim 1, wherein the first power information comprises at least one of the following: the power headroom after the terminal device sends the PUCCH; The maximum cell transmit power available after the terminal device transmits the PUCCH. 3. The method according to claim 1, wherein the first power information is reported under the condition that at least one of the following is satisfied: Forbid the power headroom to report that the PHR timer is not running, the terminal device has obtained uplink resources for new data transmission, and the downlink path loss change exceeds the first threshold; Periodic PHR timer expires; The PHR function is configured or reconfigured. 4. The method according to claim 1, wherein the first power information is calculated by the following formula: PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i } P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} } Wherein, PH _type4,c (i) is the first power information; i is the transmission timing of PUCCH; P _EMAX,c is the maximum transmit power of the terminal device; P _PowerClass is the power class of the terminal equipment; ΔP _PowerClass is the power level deviation; P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device; PL _c is the downlink path loss; _ΔTF,i is the incremental value of the UCI transmit power of the uplink control information. 5. The method according to claim 1, wherein the reporting the second power information of the virtual type 2PH of the target cell comprises: reporting the second power information of the SCG virtual type 2PH through the MCG, and the target cell is the MCG; Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG. 6. The method according to claim 1, wherein the second power information comprises one of the following: Power headroom after virtual PUSCH and actual PUCCH transmission; or Power headroom after virtual PUSCH and virtual PUCCH are transmitted. 7. The method according to claim 1, wherein the second power information is reported under the condition that at least one of the following is satisfied: It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold; The periodic PHR timer of the target cell times out; the addition, modification or deactivation of the target cell; The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value; The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value. 8. A power reporting method, wherein the method is performed by a network device, and the method comprises: Send MBS messages through SCG; receive PUCCH through the target cell; receiving the first power information of the target cell type 4PH or the second power information of the virtual type 2PH; Wherein, the first power information and the second power information are reported by the terminal equipment when there is no PUSCH transmission on the target cell and PH needs to be reported, and the type 4 PH is used when there is only PUCCH transmission The power information calculation under the type 2PH; the virtual type 2PH is used for the power information calculation through the type 2PH without PUSCH transmission; Wherein, the second power information is: Reported by the terminal equipment through the MCG, the target cell is the MCG; and/or Reported by the terminal equipment through the SCG, the target cell is the SCG. 9. The method according to claim 8, wherein the first power information comprises at least one of the following: the power headroom after the terminal device sends the PUCCH; The maximum cell transmit power available after the terminal device transmits the PUCCH. 10. The method according to claim 8, wherein the first power information is reported by the terminal device when at least one of the following conditions is satisfied: It is prohibited that the PHR timer does not run, the terminal device obtains uplink resources for new data transmission, and the change of the downlink path loss exceeds the first threshold value; Periodic PHR timer expires; The PHR function is configured or reconfigured. 11. The method according to claim 8, wherein the first power information is calculated by the following formula: PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i } P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} } Wherein, PH _type4,c (i) is the first power information; i is the transmission timing of PUCCH; P _EMAX,c is the maximum transmit power of the terminal device; P _PowerClass is the power class of the terminal equipment; ΔP _PowerClass is the power level deviation; P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device; PL _c is the downlink path loss; _ΔTF,i is the incremental value of the UCI transmit power of the uplink control information. The method according to claim 8, wherein the second power information is reported by the terminal device through the MCG, and the target cell is the MCG; Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG. 13. The method according to claim 8, wherein the second power information comprises one of the following: Power headroom after virtual PUSCH and actual PUCCH transmission; or Power headroom after virtual PUSCH and virtual PUCCH are transmitted. 14. The method according to claim 8, wherein the second power information is reported by the terminal device when at least one of the following conditions is satisfied: It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold; The periodic PHR timer of the target cell times out; the addition, modification or deactivation of the target cell; The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value; The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value. 15. A terminal device, comprising: a receiving module for receiving MBS messages through the SCG; a sending module, configured to send the PUCCH through the target cell in response to the MBS message; The sending module is further configured to report the first power information of the target cell type 4PH or the second power information of the virtual type 2PH when there is no PUSCH transmission on the target cell and the PH needs to be reported; Wherein, the type 4PH is used for power information calculation in the case of only PUCCH transmission; the virtual type 2PH is used for power information calculation through type 2PH without PUSCH transmission; Wherein, the sending module is configured to execute at least one of the following: reporting the second power information of the SCG virtual type 2PH through the MCG, and the target cell is the MCG; The second power information of the SCG virtual type 2PH is reported by the SCG, and the target cell is the SCG. 16. The terminal device according to claim 15, wherein the first power information comprises at least one of the following: the power headroom after the terminal device sends the PUCCH; The maximum cell transmit power available after the terminal device transmits the PUCCH. 17. The terminal device according to claim 15, wherein the first power information is reported under the condition that at least one of the following is satisfied: It is prohibited that the PHR timer does not run, the terminal device obtains uplink resources for new data transmission, and the change of the downlink path loss exceeds the first threshold value; Periodic PHR timer expires; The PHR function is configured or reconfigured. 18. The terminal device according to claim 15, wherein the first power information is calculated by the following formula: PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i } P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} } Wherein, PH _type4,c (i) is the first power information; i is the transmission timing of PUCCH; P _EMAX,c is the maximum transmit power of the terminal device; P _PowerClass is the power class of the terminal equipment; ΔP _PowerClass is the power level deviation; P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device; PL _c is the downlink path loss; _ΔTF,i is the incremental value of the UCI transmit power of the uplink control information. The terminal device according to claim 15, wherein the sending module is configured to report the second power information of the SCG virtual type 2PH through the MCG, and the target cell is the MCG; Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG. 20. The terminal device according to claim 15, wherein the second power information comprises one of the following: Power headroom after virtual PUSCH and actual PUCCH transmission; or Power headroom after virtual PUSCH and virtual PUCCH are transmitted. 21. The terminal device according to claim 15, wherein the second power information is reported under the condition that at least one of the following is satisfied: It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold; The periodic PHR timer of the target cell times out; the addition, modification or deactivation of the target cell; The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value; The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value. 22. A network device, comprising: The sending module is used to send the MBS message through the SCG; a receiving module for receiving the PUCCH through the target cell; The receiving module is further configured to receive the first power information of the target cell type 4PH or the second power information of the virtual type 2PH; Wherein, the first power information and the second power information are reported by the terminal equipment when there is no PUSCH transmission on the target cell and PH needs to be reported, and the type 4 PH is used when there is only PUCCH transmission The power information calculation under the type 2PH; the virtual type 2PH is used for the power information calculation through the type 2PH without PUSCH transmission; Wherein, the second power information is: Reported by the terminal equipment through the MCG, the target cell is the MCG; and/or Reported by the terminal equipment through the SCG, the target cell is the SCG. 23. The network device according to claim 22, wherein the first power information comprises at least one of the following: the power headroom after the terminal device sends the PUCCH; The maximum cell transmit power available after the terminal device transmits the PUCCH. 24. The network device according to claim 22, wherein the first power information is reported by the terminal device when at least one of the following conditions is satisfied: It is prohibited that the PHR timer does not run, the terminal device obtains uplink resources for new data transmission, and the change of the downlink path loss exceeds the first threshold value; Periodic PHR timer expires; The PHR function is configured or reconfigured. 25. The network device according to claim 22, wherein the first power information is calculated by the following formula: PH _type4,c (i)=P _CMAX,c (i)-{P _{0_PUCCH} +PL _c +ΔTF _,i } P _CMAX,c (i)=MIN{P _EMAX,c ,P _{PowerClass -ΔP PowerClass} } Wherein, PH _type4,c (i) is the first power information; i is the transmission timing of PUCCH; P _EMAX,c is the maximum transmit power of the terminal device; P _PowerClass is the power class of the terminal equipment; ΔP _PowerClass is the power level deviation; P _{0_PUCCH} is the initial PUCCH transmit power of the terminal device; PL _c is the downlink path loss; _ΔTF,i is the incremental value of the UCI transmit power of the uplink control information. 26. The network device according to claim 22, wherein the second power information is reported by the terminal device through the MCG, and the target cell is the MCG; Wherein, it is pre-defined or configured by a network device that the second power information of the SCG virtual type 2PH is prohibited from being reported by the SCG. 27. The network device according to claim 22, wherein the second power information comprises one of the following: Power headroom after virtual PUSCH and actual PUCCH transmission; or Power headroom after virtual PUSCH and virtual PUCCH are transmitted. 28. The network device according to claim 22, wherein the second power information is reported by the terminal device when at least one of the following conditions is satisfied: It is forbidden that the PHR timer does not run, and the downlink path loss change of the target cell exceeds the second threshold; The periodic PHR timer of the target cell times out; the addition, modification or deactivation of the target cell; The variation of the power backoff value of the uplink transmission of the PUCCH exceeds the third threshold value; The power backoff value of the uplink transmission of the PUCCH exceeds the fourth threshold value. 29. A terminal device, comprising: a memory, a processor, and an instruction or program stored on the memory and executable on the processor, when the instruction or program is executed by the processor The power reporting method according to any one of claims 1 to 7 is implemented. 30. A network device, comprising: a memory, a processor, and an instruction or program stored on the memory and executable on the processor, when the instruction or program is executed by the processor The power reporting method according to any one of claims 8 to 14 is implemented. 31. A readable storage medium, wherein an instruction or a program is stored on the readable storage medium, and when the instruction or program is executed by a processor, the method according to any one of claims 1 to 14 is implemented. Power reporting method.

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