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WO2018196066A1 - Procédé et dispositif de radiomessagerie - Google Patents

Procédé et dispositif de radiomessagerie Download PDF

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Publication number
WO2018196066A1
WO2018196066A1 PCT/CN2017/085225 CN2017085225W WO2018196066A1 WO 2018196066 A1 WO2018196066 A1 WO 2018196066A1 CN 2017085225 W CN2017085225 W CN 2017085225W WO 2018196066 A1 WO2018196066 A1 WO 2018196066A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
bit
remote user
core network
paging
Prior art date
Application number
PCT/CN2017/085225
Other languages
English (en)
Chinese (zh)
Inventor
丁志明
邝奕如
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780038032.2A priority Critical patent/CN109314950B/zh
Publication of WO2018196066A1 publication Critical patent/WO2018196066A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a paging method and apparatus.
  • LTE Long Term Evolution
  • 3GPP 3rd Generation Partnership Project
  • UE User Equipment
  • the Internet When the Internet is on, it enters the idle state to save power.
  • the UE's wireless transceiver In the idle state, the UE's wireless transceiver is in a dormant state most of the time, and only periodically wakes up at the Paging Occasion (PO) time point to try to receive the paging message on the system side, if there is no UE.
  • PO Paging Occasion
  • the paging message continues to sleep.
  • the PO time point is calculated by the UE and the base station according to the same parameters known to both parties.
  • the wearable device also accesses the network through cellular communication technologies such as LTE.
  • the wearable device tries to connect to the user's mobile phone and access the cellular network through the user's mobile phone.
  • the user's mobile phone is a relay user equipment (Relay UE)
  • the wearable device connected to the mobile phone is called a remote user equipment (Remote UE).
  • both the network side and the relay UE know the current state of the remote UE.
  • the remote UE also needs to wake up periodically to receive the paging message when it is in the idle state.
  • the relay UE In order to allow the remote UE that does not access the relay UE to discover the relay UE, or let the remote UE that has been connected to the relay UE determine whether it is still in the vicinity of the relay UE, the relay UE periodically sends a discovery message ( Discovery Message).
  • the discovery message includes information such as the identity of the relay UE.
  • the remote UE connected to the relay UE can still wake up to receive the paging message from the base station at the PO time point jointly calculated by the base station in the idle state, and the remote UE needs to be relayed again.
  • the remote UE wakes up to receive the discovery message at the time when the UE sends the discovery message, the remote UE wakes up more times and consumes more power.
  • the relay UE may receive the paging message of the remote UE from the base station instead of the remote UE, and then forward the paging message to the remote UE, that is, the relay UE, at the PO time jointly calculated by the relay UE and the remote UE.
  • the remote UE plays the role of a base station.
  • the remote UE needs to wake up at the PO time point negotiated with the relay UE to try to receive its own paging message, and needs to wake up to receive the discovery message at the time when the relay UE sends the discovery message, and the remote UE Wake up more times and consume more power.
  • the embodiment of the present invention provides a paging method and apparatus, which solves the problem that an existing remote UE frequently wakes up to receive a paging message and a discovery message when the UE accesses the network by the relay UE, resulting in a large power consumption.
  • a paging method for relaying user equipment, including:
  • the first paging message includes a first device identifier corresponding to the first remote user equipment, and the first device identifier uniquely identifies a remote user equipment in a global scope, the first A remote user equipment is any one of the at least one remote user equipment;
  • the second device identifier corresponding to the first remote user equipment Obtaining, by the first device identifier corresponding to the first remote user equipment, the second device identifier corresponding to the first remote user equipment, where the second device identifier is multiple remote user equipments connected to the relay user equipment A remote user device is uniquely identified in the range, and the value of the second device identifier is smaller than the first device identifier.
  • Setting the paging bit table according to the second device identifier corresponding to the first remote user equipment including: setting a bit indicated by the second device identifier of the first remote user equipment in the paging bit table to a value, wherein each bit in the paging bit table corresponds to a second device identifier, and the bit in the paging bit table takes the first value to indicate that the remote user equipment corresponding to the bit is found
  • the second bit of the bit in the paging bit table indicates that the remote user equipment corresponding to the bit is not paged or does not exist corresponding remote user equipment;
  • the discovery message includes first bit table indication information indicating the paging bit table, so that the first remote user equipment receives the discovery message according to the first bit table indication information. Determining, by the indicated paging bit table, a value of a bit indicated by the second device identifier of the first remote user equipment, to determine whether the first remote user equipment is paged.
  • the relay UE helps the remote UE to receive the paging message from the base station, and converts it into a paging bit table, and carries the first bit table indication information indicating the paging bit table in the discovery message for transmission.
  • the remote UE can only determine whether it is paged by receiving the discovery message of the relay UE, and does not use the relay UE to forward the paging message at another PO time point, which is beneficial for the relay UE to save power consumption; After connecting to the relay UE, it is only necessary to wake up periodically to receive the discovery message of the relay UE to determine whether it is paged, instead of waking up to receive the paging message at another PO time point, which is beneficial to the remote UE to save work. Consumption.
  • the first paging message further includes core network domain information corresponding to the first remote user equipment, where the core network domain information indicates paging the first The core network domain of the remote user equipment, where the core network domain is a circuit domain core network or a packet domain core network, and the method further includes:
  • each bit in the core network domain bit table is a third value or a fourth value, including: if the core network domain information indicates the The first remote user equipment is paged by the circuit domain core network, and the bit corresponding to the first remote user equipment in the core network domain table is set to the third value; if the core network domain information is Instructing the first remote user equipment to be paged by the packet domain core network, and setting a bit corresponding to the first remote user equipment in the core network domain bit table to the fourth value;
  • the discovery message further includes second bit table indication information indicating the core network domain bit table, so that the first remote user equipment is in the core network domain bit table indicated by the second bit table indication information.
  • the value of the bit corresponding to the first remote user equipment determines to page the core network domain of the first remote user equipment.
  • the relay UE indicates that the second bit table indication information of the core network domain bit table is carried in the discovery message for transmission, so that the remote UE determines that the core network is itself after being paged. Domain paging facilitates subsequent operations of the remote UE and saves operation time.
  • each bit in the core network domain bit table corresponds to a second device identifier
  • the core network domain bit table is set according to the core network domain information, specifically including :
  • the core network domain table is The bit indicated by the second device identifier of the first remote user equipment is set to the fourth value.
  • the length of the core domain bit table is the same as the paging bit table, and the core network domain information of each remote UE can be completely transmitted.
  • each bit in the core domain bit table corresponds to a bit in the paging bit table that is set to the first value, and the basis is
  • the core network domain information sets a core network domain bit table, and specifically includes:
  • Setting the core domain bit table according to the core network domain information and the paging bit table including: if the bit in the paging bit table indicated by the second device identifier in the first remote user equipment is The Kth bit in the paging bit table is set to the first value bit, if the core network domain information indicates that the first remote user equipment is paged by the circuit domain core network, The Kth bit in the core domain bit table is set to the third value, and if the core domain information indicates that the first remote user equipment is paged by the packet domain core network, the core network is The Kth bit in the field bit table is set to the fourth value.
  • the length of the core domain bit table is compressed, which saves the bit overhead of the first paging message and reduces the signaling overhead.
  • the method further includes:
  • the second paging message includes paging information for paging the first remote user equipment
  • a second aspect provides a paging method for a first remote user equipment, where the method includes:
  • the first remote user equipment establishes a connection with the relay user equipment, and accepts the second device identifier of the first remote user equipment sent by the relay user equipment, where a second device identifier is in the relay
  • a remote user device uniquely identifies a plurality of remote user devices connected to the user equipment
  • the discovery message includes first bit table indication information indicating a paging bit table, where each bit in the paging bit table corresponds to a second device identifier, The first value of each bit in the paging bit table indicates that the remote user equipment corresponding to the bit is paged, and each bit in the paging bit table takes a second value indicating the remote user corresponding to the bit.
  • the device is not paged or does not have a corresponding remote user equipment;
  • the remote UE since the discovery message carries the first bit table indication information indicating the paging bit table, the remote UE can only determine whether it is paged by receiving the discovery message of the relay UE, without using the relay UE in another The PO time point forwards the paging message, which is beneficial for the relay UE to save power consumption; at the same time, the remote UE can determine whether it is paged by periodically waking up to receive the discovery message of the relay UE after connecting to the relay UE. It is beneficial to the remote UE to save power consumption without waking up to receive the paging message at another PO time point.
  • the discovery message further includes second bit table indication information indicating a core network domain bit table, where each bit in the core network domain bit table corresponds to one
  • the paging bit table indicates the remote user equipment that is paged, or each bit in the core network domain bit table corresponds to a second device identifier, if one of the core network domain bit tables is paged far
  • the third value corresponding to the bit corresponding to the end user equipment indicates that the remote user equipment is used by the circuit domain.
  • Core network paging if the fourth bit corresponding to a paged remote user equipment in the core domain bit table indicates that the remote user equipment is paged by the packet domain core network, the determination is sought After the call, it also includes:
  • the remote UE can determine which core domain to page by itself after determining that the message is paged, which is convenient. Subsequent operation of the UE, saving operating time.
  • the method further includes:
  • the paging user And receiving, by the paging user, the second paging message sent by the relay user equipment, where the second paging message includes at least paging the first remote user equipment. Paging information.
  • a paging apparatus for relaying user equipment, including:
  • a receiving unit configured to receive a first paging message sent by the base station, where the first paging message is used to page at least one remote user equipment connected to the relay user equipment, in the first paging message
  • the first device identifier corresponding to the first remote user equipment, the first device identifier uniquely identifies a remote user equipment in the global scope, and the first remote user equipment is in the at least one remote user equipment. anyone;
  • a processing unit configured to acquire, according to the first device identifier corresponding to the first remote user equipment, the second device identifier corresponding to the first remote user equipment, where the second device identifier is connected to the relay user equipment
  • a remote user device uniquely identifies a remote user device, and the second device identifier has a smaller value range than the first device identifier.
  • the processing unit is further configured to: set a paging bit table according to the second device identifier corresponding to the first remote user equipment, including: using the second remote user equipment in the paging bit table
  • the bit indicated by the device identifier is set to a first value, wherein each bit in the paging bit table corresponds to a second device identifier, and the bit in the paging bit table takes the first value to indicate the bit
  • the corresponding remote user equipment is paged, and the second bit in the paging bit table indicates that the remote user equipment corresponding to the bit is not paged or does not exist corresponding remote user equipment;
  • a sending unit configured to send a discovery message, where the discovery message includes first bit table indication information indicating the paging bit table, so that the first remote user equipment receives the discovery message according to the first
  • the one-bit indication indicates the value of the bit indicated by the second device identifier of the first remote user equipment in the paging bit table indicated by the information to determine whether the first remote user equipment is paged.
  • the first paging message further includes core network domain information corresponding to the first remote user equipment, and the core network domain information indicates paging the first
  • the core network domain of the remote user equipment the core network domain is a circuit domain core network or a packet domain core network
  • the processing unit is further configured to:
  • each bit in the core network domain bit table is a third value or a fourth value, including: if the core network domain information indicates the The first remote user equipment is paged by the circuit domain core network, and the bit corresponding to the first remote user equipment in the core network domain table is set to the third value; if the core network domain information is Instructing the first remote user equipment to be paged by the packet domain core network, and setting a bit corresponding to the first remote user equipment in the core network domain bit table to the fourth value;
  • the discovery message further includes second bit table indication information indicating the core network domain bit table, so that the first remote user equipment is in the core network domain bit table indicated by the second bit table indication information.
  • the value of the bit corresponding to the first remote user equipment determines to page the core network domain of the first remote user equipment.
  • each bit in the core domain bit table corresponds to a second The device identifier, when the processing unit sets the core network domain bit table according to the core network domain information, specifically:
  • the bit indicated by the second device identifier of the first remote user equipment in the core network domain table Setting the third value, if the core network domain information indicates that the first remote user equipment is paged by the packet domain core network, the first remote user equipment in the core network domain table is The bit indicated by the second device identifier is set to the fourth value.
  • each bit in the core domain bit table corresponds to a bit in the paging bit table that is set to the first value, the processing unit
  • the core domain bit table is set according to the core network domain information, it is specifically used to:
  • Setting the core domain bit table according to the core network domain information and the paging bit table including: if the bit in the paging bit table indicated by the second device identifier in the first remote user equipment is The Kth bit in the paging bit table is set to the first value bit, if the core network domain information indicates that the first remote user equipment is paged by the circuit domain core network, The Kth bit in the core domain bit table is set to the third value, and if the core domain information indicates that the first remote user equipment is paged by the packet domain core network, the core network is The Kth bit in the field bit table is set to the fourth value.
  • the processing unit is further configured to generate a second paging message, where the second paging message includes a paging station. Decoding paging information of the first remote user equipment;
  • the sending unit is further configured to send the second paging message at a paging opportunity time point determined by the first remote user equipment, so that the first remote user equipment is according to the first bit table.
  • the information determines that the first remote user equipment is paged, receives the second paging message at the paging opportunity time point, and acquires paging information of the first remote user equipment.
  • the physical device corresponding to the processing unit in the foregoing embodiment may be a processor, and the physical device corresponding to the receiving unit may be a receiver, and the physical device corresponding to the sending unit may be a transmitter.
  • a fourth aspect provides a device for receiving a paging, for a first remote user equipment, where the device includes:
  • a receiving unit configured to establish a connection with the relay user equipment, and receive a second device identifier of the first remote user equipment sent by the relay user equipment, where a second device identifier is used by the relay user equipment Uniquely identifying a remote user device within a range of connected remote user devices;
  • the receiving unit is further configured to receive a discovery message sent by the relay user equipment, where the discovery message includes first bit table indication information indicating a paging bit table, and each bit in the paging bit table Corresponding to a second device identifier, each bit in the paging bit table takes a first value indicating that the remote user equipment corresponding to the bit is paged, and each bit in the paging bit table takes a second value. Indicates that the remote user equipment corresponding to the bit is not paged or does not exist corresponding to the remote user equipment;
  • a processing unit configured to determine, according to a value of a bit indicated by the second device identifier of the first remote user equipment in the paging bit table, whether the first remote user equipment is paged, if the bit is If the value is the first value, it is determined that the page is paged. If the bit value is the second value, it is determined that the page is not paged.
  • the discovery message further includes second bit table indication information indicating a core network domain bit table, where each bit in the core network domain bit table corresponds to one
  • the paging bit table indicates the remote user equipment that is paged, or each bit in the core network domain bit table corresponds to a second device identifier, if one of the core network domain bit tables is paged far
  • the third value corresponding to the bit corresponding to the end user equipment indicates that the remote user equipment is paged by the circuit domain core network, if the bit corresponding to a paged remote user equipment in the core network domain bit table takes a fourth value.
  • the remote user equipment is paged by the packet domain core network, and the processing unit is further configured to:
  • the receiving unit is further configured to:
  • the paging user And receiving, by the paging user, the second paging message sent by the relay user equipment, where the second paging message includes at least paging the first remote user equipment. Paging information.
  • the physical device corresponding to the processing unit in the foregoing embodiment may be a processor, and the physical device corresponding to the receiving unit may be a receiver.
  • a fifth aspect provides a relay user equipment, where the relay user equipment includes at least: at least one processor, a memory, and a transceiver;
  • the transceiver is configured to receive and send a wireless communication message
  • the memory is for storing instructions and data
  • the at least one processor for executing the instructions in the memory to perform the method as described in the first aspect and various possible designs.
  • a sixth aspect provides a user equipment, where the user equipment includes at least: at least one processor, a memory, and a transceiver;
  • the transceiver is configured to receive and send a wireless communication message
  • the memory is for storing instructions and data
  • the at least one processor is operative to execute the instructions in the memory, performing the methods as described in the second aspect and various possible designs.
  • a computer storage medium for storing computer software instructions for setting a second ratio to the relay user, comprising a program designed to perform the above aspects.
  • a computer storage medium for storing computer software instructions for use by the remote user device, including a program designed to perform the above aspects.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the methods described in the above aspects.
  • a tenth aspect provides a communication system, including the relay user equipment, the remote user equipment, and the base station involved in the foregoing embodiments.
  • 1a is a structural diagram of a communication system according to an embodiment of the present application.
  • FIG. 1b is a schematic flowchart of a paging method according to an embodiment of the present application.
  • 2a is a schematic diagram of a paging bit table and a core network domain bit table in the embodiment of the present application;
  • 2b is a schematic diagram of a paging bit table in the embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a relay user equipment according to an embodiment of the present application.
  • FIG. 3b is a schematic structural diagram of hardware of a relay user equipment according to an embodiment of the present application.
  • FIG. 4a is a schematic structural diagram of a remote user equipment according to an embodiment of the present application.
  • FIG. 4b is a schematic structural diagram of hardware of a remote user equipment according to an embodiment of the present application.
  • association relationship describing an association 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 at the same time. There are three cases of B alone.
  • the character “/” in the embodiment of the present application generally indicates that the context related object is an “or” relationship.
  • Multiple means two or more.
  • the paging method according to the embodiment of the present application is applicable to a Long Term Evolution (LTE) system, or a 5 g system; in addition, the paging method in the embodiment of the present application is also applicable to other wireless communication systems, such as global mobile communication.
  • System Global System for Mobile Communication, GSM
  • UMTS Mobile Communication System
  • CDMA Code Division Multiple Access
  • Figure 1a is a system architecture diagram of an embodiment of the present application, including a base station, a relay user equipment, and a remote user equipment.
  • the remote user equipment is connected to the base station by using a relay user equipment, and the remote user equipment can be relayed.
  • the user equipment receives the paging message sent by the base station, and receives the discovery message sent by the relay user equipment.
  • the base station in the embodiment of the present application can be used to convert the received air frame and the Internet Protocol (IP) packet into each other as a router between the wireless terminal device and the rest of the access network, where the access network
  • IP Internet Protocol
  • the base station in the embodiment of the present application may coordinate the attribute management of the air interface.
  • the base station in the embodiment of the present application may be a Global System for Mobile Communication (GSM) or a Base Transceiver Station (BTS) in Code Division Multiple Access (CDMA). It is a base station (NodeB) in Wideband Code Division Multiple Access (WCDMA), and may also be an evolved base station (eNB or e-NodeB) in LTE, or may be in a 5g system.
  • GSM Global System for Mobile Communication
  • BTS Base Transceiver Station
  • CDMA Code Division Multiple Access
  • NodeB base station
  • WCDMA Wideband Code Division Multiple Access
  • eNB or e-NodeB evolved base station
  • the user equipment (UE) and the remote user equipment in the embodiment of the present application may be a device for providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or connected to Other processing devices for wireless modems.
  • the user equipment may also be referred to as a terminal device, and the terminal device may be a wireless terminal device, wherein the wireless terminal device may communicate with one or more core networks via a Radio Access Network (RAN), and the wireless terminal device may be
  • RAN Radio Access Network
  • a mobile terminal device such as a mobile phone (or "cellular" phone), or a computer with a mobile terminal device, for example, a computer with a mobile terminal device can be portable, pocket, handheld, computer built, or in-vehicle mobile Devices that exchange language and/or data with the radio access network.
  • the wireless terminal device can also be a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal number. Assistant (Personal Digital Assistant, PDA) and other devices.
  • the wireless terminal device may also be referred to as a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, and an Access Point. , Remote Terminal, Access Terminal, User Terminal, User Agent, or user equipment.
  • the remote user equipment in the embodiment of the present application accesses the network by using the relay user equipment.
  • the relay user equipment may be the user's smart phone, and the wearable device may be a smart watch, a smart bracelet, or a smart device.
  • Eye Mirrors, smart sneakers, smart helmets, smart apparel, and other possible smart personal devices include implantable smart devices.
  • the remote UE After the remote UE is connected to the relay UE, if it does not communicate with other devices, it will enter the idle state to save power. However, when the remote UE is in the idle state, it needs to wake up periodically to receive the paging message sent by the base station. The remote UE wakes up more frequently than the discovery message sent by the UE, resulting in a large power consumption of the remote UE.
  • the embodiment of the present application provides a paging method and apparatus, which solves the problem that the existing remote UE frequently wakes up to receive paging messages and discover messages when the UE accesses the network by the relay UE, resulting in large power consumption.
  • the method and the device are based on the same concept. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated description is not repeated.
  • FIG. 1b is a schematic flowchart of a paging method provided by an embodiment of the present application. The process may be implemented by hardware, software programming, or a combination of hardware and software.
  • the functional modules for performing the paging scheme provided by the embodiments of the present application may be specifically implemented by hardware, software programming, and a combination of hardware and software, and the hardware may include one or more signal processing and/or application specific integrated circuits.
  • the process specifically includes the following processes:
  • Step 11 The relaying UE obtains the first device identifier of the remote UE.
  • the UEID is used to indicate the first device identifier of the remote UE.
  • a first device identifier uniquely identifies a remote user device in a global scope.
  • the UEID may be a SAE-Temporary Mobile Subscriber Identity SAE (System Architecture Evolution, S-TMSI) or an International Mobile Subscriber Identity (IMSI).
  • SAE-Temporary Mobile Subscriber Identity SAE System Architecture Evolution, S-TMSI
  • IMSI International Mobile Subscriber Identity
  • the implementation manner of the UE that obtains the UE ID of the remote UE may include, but is not limited to, the following two types:
  • the remote UE first connects to the base station, and obtains the S-TMSI allocated by the network side to the remote UE. Then, the remote UE discovers the relay UE, and requests to establish an end-to-end with the relay UE (Device-to-Device). , D2D) connection.
  • the relay UE may obtain the UE ID of the remote UE in the process of establishing a D2D connection with the remote UE.
  • the remote UE may place the UE ID in the request message requesting the establishment of the D2D connection to enable the relay UE to obtain the far The UE ID of the UE, or the remote UE reports its own UEID to the relay UE after establishing a D2D connection with the relay UE.
  • the remote UE discovers the relay UE, and accesses the network through the relay UE, and also establishes a D2D connection with the relay UE.
  • the relay UE can interact with the base station by the remote UE through the relay UE.
  • the relay UE may not parse the message that the remote UE interacts with the base station by using the relay UE.
  • the remote UE requests the establishment of the D2D connection to the relay UE after the UE is accessed by the relay UE, and is established.
  • the D2D connection transmits its own UEID to the relay UE at the same time or after.
  • the relay UE can obtain the UE ID of the remote UE from the remote UE, and obtain the UE ID of the remote UE from the base station.
  • This application does not limit how the relay UE obtains the UE ID of the remote UE.
  • the network side sends the first device identifier (S-TMSI or IMSI) to the remote UE, and the relay UE should obtain the first device identifier of the remote UE.
  • the relay UE can also obtain the S-TMSI and the IMSI of the remote UE at the same time, which is not limited in this application.
  • Step 12 The relay UE sends the second device identifier of the remote UE to the remote UE.
  • the LID indicates the second device identifier of the remote UE.
  • a second device identifier uniquely identifies a remote UE in the plurality of remote UEs connected to the relay UE, and the value range of the second device identifier is smaller than the first device identifier.
  • each remote UE has a local identity LID for uniquely identifying itself in all remote UEs connected by the relay UE, that is, the relay UE can be unique through the LID. Identify a remote UE that is connected to itself.
  • the LID may be allocated by the relay UE or may be allocated by the base station, which is not limited in this application.
  • the relaying UE sends the LID of the remote UE to the remote UE in the process of establishing a D2D connection with the remote UE, or relays the UE after the remote UE reports the UEID of the remote UE to the relay UE.
  • the response message is sent to the remote UE, the LID is sent to the remote UE through the response message.
  • the relay UE may be the user's smartphone, and the wearable device may be a smart watch, a smart bracelet, smart glasses, smart sports shoes, smart helmet, smart apparel, and other possible smart personal devices including Implantable smart device. Since the number of personal smart wearable devices is limited, the maximum number of remote UEs that a relay UE can access, for example, 7 or 15, can be specified, and the value range of the LID is 1 to 7 or 1 to 15.
  • Step 13 The relay UE receives the first paging message sent by the base station.
  • the first paging message is used to page the at least one remote UE that is connected to the relay UE, and the first paging message includes a first device identifier corresponding to the remote UE.
  • the message sent by the network side to the remote UE is forwarded by the relay UE, and the network side may be remotely located after the remote UE enters the idle state.
  • the remote UE can connect to the network through the relay UE, and the remote UE can still negotiate the PO time point with the base station to which the relay UE is connected, and then the relay UE can receive the paging message sent by the base station to the remote UE at the PO time point. .
  • the PO time point between the remote UE and the base station can also directly use the PO time point negotiated by the relay UE and the base station, so that the relay UE can be in a PO time.
  • the point receives the paging message sent by the base station to itself and the paging message of all the remote UEs connected to itself, avoiding waking up at multiple PO time points to receive their own paging message and connecting to each of their own remote UEs. Paging message, which is beneficial to save power consumption of the relay UE.
  • Step 14 The relay UE establishes a paging bit table after receiving the first paging message sent by the base station.
  • the relay UE first converts the UEID of the remote UE in the first paging message into an LID, and then generates a paging bit table according to the LID, and the length of the paging bit table is determined by the value of the valid maximum LID, such as LID.
  • the paging bit table length may be 8 bits, wherein a bit corresponding to LID 0 may be used as a reserved bit, and when the LID maximum value is 15, the paging bit table length may be 16 bits, in the bit table.
  • Each bit represents a remote UE, and the position of the bit represents the value of the LID. The value of the bit indicates whether the remote UE is paged.
  • the first value indicates that the remote UE corresponding to the bit is paged.
  • Taking the second value indicates that the remote UE corresponding to the bit is not paged. For example, taking “1" means being paged, and "0" means not being paged.
  • the bit in the paging bit table corresponding to the LID is set to "1" to indicate that the bit is set, and the other bits in the paging bit table are set to "0" to indicate that the bit corresponds to the far The end UE is not paged.
  • the first paging message may also be configured with core network domain information, that is, whether the paging information is from the circuit domain core network or the packet domain core network, so the relay UE also needs to establish a core network domain bit table.
  • the length of the core domain bit table may be the same as the length of the paging bit table, where each bit corresponds to a remote UE, and the position of the bit represents the value of the LID, and the value of the bit represents the paging message of the remote UE. From the circuit domain core network or the packet domain core network, if the core network domain information indicates that the remote UE is paged by the circuit domain core network, the bit corresponding to the remote UE in the core network domain bit table is set to a third value.
  • the core is The bit corresponding to the remote UE in the domain bit table is set to a fourth value. For example, taking “1" means that the page is from the circuit domain core network, and "0" means that the page is coming from the packet domain core network. It is meaningless to take a value other than the bit corresponding to the LID corresponding to the UEID in the first paging message in the core domain bit table, because the remote UE corresponding to the bit is not paged.
  • the core domain bit table does not need as many bits as the paging bit table, but only needs to be
  • the number of remote UEs that are paged can be as many as the number of bits, so that the core domain bit table is relatively short, each of which indicates the core domain of a paged remote UE, and the meaning of the bit position It is the first few remote UEs that are paged. Assume that the number of "1" in the paging bit table is paged, and "0" means that it is not paged, then the number of "1" in the paging bit table is the effective number of bits in the core domain table.
  • the sequence number k of one bit in the field bit table corresponds to the kth "1" of all "1"s in the paging bit table.
  • Figure 2a shows a schematic diagram of a specific paging bit table and core domain bit table. It is assumed that the paging bit table length is 16 bits, and the effective value of the LID is 1 to 15. Each bit in the paging bit table corresponds to one LID value. For example, the serial number value of the bit is used as the LID value. Of course, the bit number may be incremented by 1 as the LID value, or the bit number may be added to a set value. The starting value is taken as the LID value. A LID value of 0 may be used as a reserved value, that is, an LID of 0 does not specifically indicate a remote UE.
  • Each bit in the paging bit table corresponds to a LID value, and each valid LID value corresponds to a remote UE.
  • the remote UE corresponding to each bit in the paging bit table may not actually exist yet, that is, the LID value has not been assigned to a remote UE.
  • Bits 1, 4, 5, 10, and 13 in the paging bit table shown in FIG. 2 are "1", indicating that the remote UE whose LID values are 1, 4, 5, 10, 13 are paged, and the like. The remote UE is not paged or the corresponding remote UE does not exist.
  • the paging bit table it is an 8-bit core domain bit table.
  • the number of valid bits in the core domain bit table is only 5, that is, the sequence number is 0. 5 bits to 4, which respectively indicate the paging core domain of the far-end UE corresponding to 5 bits of the paging bit table corresponding to "1".
  • the core domain bit table may be set to be shorter to obtain a compressed version of the core domain bit table, for example, at most 15 or 16 far
  • the core domain bit table can be set to 8 bits, or further 4 bits can be used, and the paging bit table can also be compressed in some way to obtain a compressed version of the paging bit table, for example.
  • Adding the starting LID value is the LID value of the true paged remote UE. If more remote UEs are actually being paged, the compressed version of the bit table format cannot indicate all the remote UEs being paged, and the relay UE may first forward the paging messages of the partially paged remote UEs. The remaining paging messages are forwarded again the next time to ensure that each paging message does not occupy too many bits.
  • the LID of the remote UE is valid from 1 to 15, and the LID of the remote UE being paged is 3, 7, 8, 9, and 10.
  • the length of the paging table is set to 8 bits. The 4 bits identify the LID value of the far-end UE that is initially paged, which is 0011.
  • the sequence number of each of the following 4 bits plus the LID value of the far-end UE that is initially paged is true.
  • the core paging information may not be involved in the first paging message forwarded by the relay UE, that is, the core domain does not exist. Bit table.
  • Step 15 The relay UE sends a discovery message, where the discovery message includes first bit table indication information indicating the paging bit table.
  • the first bit table indication information herein may directly include a paging bit table or a compressed version of the paging bit table.
  • the relay UE periodically sends a discovery message, so that the remote UE that is not connected to the relay UE can discover the relay.
  • the UE, or the remote UE that has been connected to the relay UE can continuously determine whether it is still within the signal coverage of the relay UE according to whether to detect the discovery message of the relay UE.
  • the remote UE Since the discovery message carries the first bit table indication information of the remote UE indicating the paging bit table, the remote UE no longer needs to wake up to receive the paging message at the PO time point, which is beneficial to the remote UE to save power consumption. .
  • the relay UE does not need to send both the discovery message and the paging message, and is also beneficial for the relay UE to save power.
  • the discovery message further includes second bit table indication information indicating the core network domain bit table, where the second bit table information may include a compressed version of the core network domain bit table or the core network domain bit table.
  • Step 16 After receiving the discovery message, the remote UE parses the first bit indication information in the discovery message to determine whether it is paged.
  • the remote UE parses the first bit indication information in the discovery message to obtain a paging bit table. If the bit corresponding to its own LID in the paging bit table is set to a first value, for example, “1”, it indicates that it is being searched. Call, otherwise you are not being paged. If the remote UE finds that it is being paged by parsing the paging bit table, it may need to further parse the discovery message to obtain the core network domain indication information, and determine whether it is the circuit domain core network paging according to the corresponding bit in the core network domain bit table. Packet domain core network paging. For a method for parsing the core domain bit table, refer to step 14 for a description of the core domain bit table, and details are not described herein again.
  • the relay UE After transmitting the discovery message, the relay UE generates a second paging message, where the second paging message includes paging information for paging at least one remote UE; and the PO determined by the remote UE Transmitting the second paging message at a time point, so that the remote UE receives the second paging message at the PO time point after determining that the remote UE is paged according to the first bit table information And obtaining paging information of the remote UE. It should be noted that, if the remote UE determines that the remote UE is not paged according to the first bit table indication information, the second paging message does not need to be received, thereby achieving power saving. purpose.
  • the second paging message may include more paging information related to the remote UE, for example, if the core network indication information is not included in the discovery message, optionally, the second paging message
  • the core domain indication information may be carried in the remote UE to know which core domain is paged.
  • the remote UE determines that it is not paged, it continues to sleep, otherwise it performs related operations after being paged, for example, notifying the core network to switch from the idle state to the active state, and performing other interactions with the core network, such as establishing a call. Complete the call, or receive the packet message sent by the network side server.
  • the relay UE helps the remote UE to receive the paging message from the base station, and converts it into a paging bit table, occupies less bit resources, so that paging information of multiple remote UEs that are simultaneously present can be carried in the discovery.
  • the message is transmitted, so that the remote UE can only determine whether it is paged by receiving the discovery message of the relay UE, and does not use the relay UE to forward the paging message at another PO time point, which is beneficial for the relay UE to save power.
  • the remote UE can determine whether it is paged by periodically waking up to receive the discovery message of the relay UE after connecting to the relay UE, without waking up to receive the paging message at another PO time point, which is beneficial to The remote UE saves power.
  • the embodiment of the present application further provides a relay user equipment, which is used to perform the action or function of the relay user equipment in the foregoing method embodiment.
  • the embodiment of the present application further provides a remote user equipment, which is used to perform the action or function of the remote user equipment in the foregoing method embodiment.
  • the content of the device part can be specifically seen in the method embodiment, and the repeated description will not be repeated.
  • the relay user equipment 300a of the embodiment of the present application includes: a receiving unit 320a, a processing unit 310a, and a sending unit 330a, where:
  • the receiving unit 320a is configured to receive a first paging message sent by the base station, where the first paging message is used for paging connection Up to the at least one remote user equipment of the relay user equipment, the first paging message includes a first device identifier corresponding to the first remote user equipment, and the first device identifier uniquely identifies a far within the global scope End user equipment, the first remote user equipment is any one of the at least one remote user equipment;
  • the processing unit 310a is configured to acquire, according to the first device identifier corresponding to the first remote user equipment, the second device identifier corresponding to the first remote user equipment, where the second device identifier is connected to the relay user equipment
  • a remote user device is uniquely identified by a plurality of remote user devices, and the value of the second device identifier is smaller than the first device identifier.
  • the processing unit 310a is further configured to: set, according to the second device identifier corresponding to the first remote user equipment, a paging bit table, including: the first remote user equipment in the paging bit table The bit indicated by the two device identifiers is set to a first value, wherein each bit in the paging bit table corresponds to a second device identifier, and the bit in the paging bit table takes the first value to indicate the The remote user equipment corresponding to the bit is paged, and the second bit in the paging bit table indicates that the remote user equipment corresponding to the bit is not paged or does not exist corresponding to the remote user equipment;
  • the sending unit 330a is configured to send a discovery message, where the discovery message includes first bit table indication information indicating the paging bit table, so that the first remote user equipment receives the discovery message according to the The first bit table indicates the value of the bit indicated by the second device identifier of the first remote user equipment in the paging bit table indicated by the information to determine whether the first remote user equipment is paged.
  • the first paging message further includes core network domain information corresponding to the first remote user equipment, where the core network domain information indicates paging the core network domain of the first remote user equipment.
  • the core network domain is a circuit domain core network or a packet domain core network, and the processing unit 310a is further configured to:
  • each bit in the core network domain bit table is a third value or a fourth value, including: if the core network domain information indicates the The first remote user equipment is paged by the circuit domain core network, and the bit corresponding to the first remote user equipment in the core network domain table is set to the third value; if the core network domain information is Instructing the first remote user equipment to be paged by the packet domain core network, and setting a bit corresponding to the first remote user equipment in the core network domain bit table to the fourth value;
  • the discovery message further includes second bit table indication information indicating the core network domain bit table, so that the first remote user equipment is in the core network domain bit table indicated by the second bit table indication information.
  • the value of the bit corresponding to the first remote user equipment determines to page the core network domain of the first remote user equipment.
  • each bit in the core network domain bit table corresponds to a second device identifier
  • the processing unit 310a is specifically configured to: when the core network domain bit table is set according to the core network domain information:
  • the bit indicated by the second device identifier of the first remote user equipment in the core network domain table Setting the third value, if the core network domain information indicates that the first remote user equipment is paged by the packet domain core network, the first remote user equipment in the core network domain table is The bit indicated by the second device identifier is set to the fourth value.
  • each bit in the core domain bit table corresponds to one bit in the paging bit table that is set to the first value
  • the processing unit 310a is in the core domain according to the core domain.
  • the information is set to the core domain bit table, it is specifically used to:
  • Setting the core domain bit table according to the core network domain information and the paging bit table including: if the bit in the paging bit table indicated by the second device identifier in the first remote user equipment is The Kth bit in the paging bit table is set to the first value bit, if the core network domain information indicates that the first remote user equipment is paged by the circuit domain core network, The Kth bit in the core domain bit table is set to the third value, and if the core domain information indicates that the first remote user equipment is paged by the packet domain core network, the core network is The Kth bit in the field table is set to The fourth value is stated.
  • the processing unit 310a is further configured to generate a second paging message, where the second paging message includes, for paging, the first remote user. Paging information of the device;
  • the sending unit 330a is further configured to send the second paging message at a paging opportunity time point determined by the first remote user equipment, so that the first remote user equipment is according to the first bit
  • the table information determines that the first remote user equipment is paged, receives the second paging message at the paging opportunity time point, and acquires paging information of the first remote user equipment.
  • the processing unit 310a may be implemented by a processor, and the receiving unit 320a and the sending unit 330a may be implemented by a transceiver.
  • the relay user device 300b can include a processor 310b, a transceiver 320b, and a memory 330b.
  • the memory 330b may be used to store a program/code pre-installed when the relay user equipment 300b is shipped from the factory, or may store a code or the like when the processor 310b is executed.
  • the processor 310b may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits for performing related operations to implement the technical solutions provided by the embodiments of the present application.
  • relay user equipment 300b shown in FIG. 3b only shows the processor 310b, the transceiver 320b, and the memory 330b, in a specific implementation process, those skilled in the art should understand that the relay user equipment 300b It also contains other devices necessary to get it running. At the same time, according to specific needs, those skilled in the art will appreciate that the relay user equipment 300b may also include hardware devices that implement other additional functions. Moreover, those skilled in the art will appreciate that the relay user device 300b may also only include the devices or modules necessary to implement the embodiments of the present application, and does not necessarily include all of the devices shown in FIG. 3b.
  • the above storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, or the like.
  • the remote user equipment 400a of the embodiment of the present application includes: a receiving unit 420a and a processing unit 410a:
  • the receiving unit 420a is configured to establish a connection with the relay user equipment, and receive the second device identifier of the first remote user equipment sent by the relay user equipment, where the second device identifier is in the relay user equipment Uniquely identifying a remote user device within a range of connected remote user devices;
  • the receiving unit 420a is further configured to receive a discovery message sent by the relay user equipment, where the discovery message includes first bit table indication information indicating a paging bit table, and each of the paging bit table The bit corresponds to a second device identifier, and each bit in the paging bit table takes a first value indicating that the remote user equipment corresponding to the bit is paged, and each bit in the paging bit table takes a second The value indicates that the remote user equipment corresponding to the bit is not paged or does not exist corresponding to the remote user equipment;
  • the processing unit 410a is configured to determine, according to the value of the bit indicated by the second device identifier of the first remote user equipment in the paging bit table, whether the first remote user equipment is paged, if If the bit value is the first value, it is determined to be paged, and if the bit value is the second value, it is determined that the page is not paged.
  • the discovery message further includes second bit table indication information indicating a core network domain bit table, and each bit in the core network domain bit table corresponds to one indication in the paging bit table.
  • Each bit in the domain bit table corresponds to a second device identifier, and if the bit corresponding to a paged remote user device in the core domain bit table takes a third value, the remote user device is represented by the circuit domain.
  • Core network paging if the fourth corresponding value of the bit corresponding to the paged remote user equipment in the core domain bit table indicates that the remote user equipment is paged by the packet domain core network, the processing unit 410a is After being determined to be paged, it is also used to:
  • the receiving unit 420a is further configured to:
  • the paging user And receiving, by the paging user, the second paging message sent by the relay user equipment, where the second paging message includes at least paging the first remote user equipment. Paging information.
  • the processing unit 410a may be implemented by a processor, and the receiving unit 420a may be implemented by a transceiver.
  • the remote user device 400b can include a processor 410b, a transceiver 420b, and a memory 430b.
  • the memory 430b may be used to store a program/code pre-installed by the remote user equipment 400b at the factory, or may store a code or the like for execution of the processor 410b.
  • the processor 410b may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits for performing related operations to implement the technical solutions provided by the embodiments of the present application.
  • the remote user device 400b shown in FIG. 4b only shows the processor 410b, the transceiver 420b, and the memory 430b, in a specific implementation process, those skilled in the art will understand that the remote user device 400b It also contains other devices necessary to get it running. At the same time, those skilled in the art will appreciate that the remote user device 400b may also include hardware devices that implement other additional functions, depending on the particular needs. Moreover, those skilled in the art will appreciate that the remote user device 400b may also only include the devices or modules necessary to implement the embodiments of the present application, and does not necessarily include all of the devices shown in FIG. 4b.
  • the above storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, or the like.
  • the embodiment of the present application provides a communication system, including any possible relay user equipment as shown in FIG. 3a or FIG. 3b, any possible remote user equipment and base station as shown in FIG. 4a or FIG. 4b. .
  • embodiments of the present application can be provided as a method, system, or computer program product. Therefore, the embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Moreover, embodiments of the present application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that instructions are executed by a processor of a computer or other programmable data processing device
  • Means are provided for implementing the functions specified in one or more of the flow or in one or more blocks of the flow chart.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

La présente invention concerne un procédé et un dispositif de radiomessagerie, comprenant les étapes suivantes : un équipement utilisateur relais (UE) recevant un premier message de radiomessagerie envoyé par une station de base, le premier message de radiomessagerie étant utilisé pour appeler au moins un UE distant, et le premier message de radiomessagerie comprenant une première identification de dispositif correspondant à l'UE distant ; les étapes consistant à obtenir une seconde identification de dispositif de l'UE distant en fonction de la première identification de dispositif ; configurer une table de bits de radiomessagerie en fonction de la seconde identification de dispositif de l'UE distant ; envoyer un message de découverte, le message de découverte comprenant des premières informations d'indication de table de bits indiquant la table de bits de radiomessagerie de telle sorte que l'UE distant détermine si l'UE distant est appelé ou non après avoir reçu le message de découverte, et ainsi l'UE distant n'a pas besoin de se réveiller périodiquement pour recevoir des messages de radiomessagerie, ce qui permet d'économiser de l'énergie.
PCT/CN2017/085225 2017-04-25 2017-05-19 Procédé et dispositif de radiomessagerie WO2018196066A1 (fr)

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