CN113508618B - Side-link communication method and device and terminal - Google Patents
Side-link communication method and device and terminal Download PDFInfo
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Abstract
The embodiment of the application provides a side uplink communication method, a device and a terminal, wherein the method comprises the following steps: the first terminal sends a message associated with the second Radio Access Technology (RAT) to the second terminal through the first RAT.
Description
Technical Field
The embodiment of the application relates to the technical field of mobile communication, in particular to a side uplink communication method, a side uplink communication device and a side uplink communication terminal.
Background
Device-to-Device (D2D) communication is based on a side-link (SL) transmission technology, and unlike a conventional cellular system in which communication data is received or transmitted through a base station, D2D is a terminal-to-terminal direct communication, and thus has higher spectral efficiency and lower transmission delay.
In D2D communication, the basic design mechanisms are all performed within a radio access technology (RAT, radio Access Technology), such as a User Equipment (UE) 1 transmitting RAT1 related information to a UE2 on a RAT 1. However, the side-uplink communication mechanism across RATs has not been clarified.
Disclosure of Invention
The embodiment of the application provides a side uplink communication method, a side uplink communication device and a terminal.
The side uplink communication method provided by the embodiment of the application comprises the following steps:
the first terminal sends a message associated with the second RAT to the second terminal through the first RAT.
The side-link communication device provided by the embodiment of the application comprises:
and the sending unit is used for sending the message associated with the second RAT to the second terminal through the first RAT.
The terminal provided by the embodiment of the application comprises a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the side uplink communication method.
The chip provided by the embodiment of the application is used for realizing the side uplink communication method.
Specifically, the chip includes: and a processor for calling and running the computer program from the memory, so that the device mounted with the chip executes the side-link communication method described above.
The embodiment of the application provides a computer readable storage medium for storing a computer program, which causes a computer to execute the above-mentioned side uplink communication method.
The computer program product provided by the embodiment of the application comprises computer program instructions, wherein the computer program instructions enable a computer to execute the side uplink communication method.
The computer program provided by the embodiment of the application, when running on a computer, causes the computer to execute the side uplink communication method.
Through the technical scheme, the cross-RAT side uplink communication mechanism is provided, a mode of forcing the terminal to independently transmit the message in different RATs is avoided, the flexibility of signaling transmission is improved, and the signaling overhead is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application;
fig. 2 is a schematic diagram of mode a in D2D communication according to an embodiment of the present application;
fig. 3 is a schematic diagram of mode B in D2D communication according to an embodiment of the present application;
fig. 4 is a schematic flow chart of a method for side uplink communication according to an embodiment of the present application;
fig. 5 is a flowchart of a cross-RAT side uplink communication method according to an embodiment of the present application;
fig. 6 is a second flow chart of a cross-RAT side uplink communication method according to an embodiment of the present application;
Fig. 7 is a schematic structural diagram of a side-uplink communication device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a communication device according to an embodiment of the present application;
FIG. 9 is a schematic block diagram of a chip of an embodiment of the application;
fig. 10 is a schematic block diagram of a communication system provided in an embodiment of the present application.
Detailed Description
The following description of the technical solutions according to the embodiments of the present application will be given with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The technical scheme of the embodiment of the application can be applied to various communication systems, such as: global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) systems, general packet radio service (General Packet Radio Service, GPRS), long term evolution (Long Term Evolution, LTE) systems, LTE frequency division duplex (Frequency Division Duplex, FDD) systems, LTE time division duplex (Time Division Duplex, TDD), universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS), worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wiMAX) communication systems, or 5G systems, and the like.
An exemplary communication system 100 to which embodiments of the present application may be applied is shown in fig. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or referred to as a communication terminal, terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminals located within the coverage area. Alternatively, the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device may be a mobile switching center, a relay station, an access point, a vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network-side device in a 5G network, or a network device in a future evolved public land mobile network (Public Land Mobile Network, PLMN), etc.
The communication system 100 further includes at least one terminal 120 located within the coverage area of the network device 110. "terminal" as used herein includes, but is not limited to, connection via wireline, such as via public-switched telephone network (Public Switched Telephone Networks, PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, direct cable connection; and/or another data connection/network; and/or via a wireless interface, e.g., for a cellular network, a wireless local area network (Wireless Local Area Network, WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter; and/or means of the other terminal arranged to receive/transmit communication signals; and/or internet of things (Internet of Things, ioT) devices. Terminals arranged to communicate over a wireless interface may be referred to as "wireless communication terminals", "wireless terminals" or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellites or cellular telephones; a personal communications system (Personal Communications System, PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; a PDA that can include a radiotelephone, pager, internet/intranet access, web browser, organizer, calendar, and/or a global positioning system (Global Positioning System, GPS) receiver; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A terminal may refer to an access terminal, user Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal in a 5G network or a terminal in a future evolved PLMN, etc.
Alternatively, direct to Device (D2D) communication may be performed between the terminals 120.
Alternatively, the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
Fig. 1 illustrates one network device and two terminals, alternatively, the communication system 100 may include multiple network devices and each network device may include other numbers of terminals within its coverage area, which is not limited by the embodiment of the present application.
Optionally, the communication system 100 may further include a network controller, a mobility management entity, and other network entities, which are not limited by the embodiment of the present application.
It should be understood that a device having a communication function in a network/system according to an embodiment of the present application may be referred to as a communication device. Taking the communication system 100 shown in fig. 1 as an example, the communication device may include a network device 110 and a terminal 120 with communication functions, where the network device 110 and the terminal 120 may be specific devices described above, and are not described herein again; the communication device may also include other devices in the communication system 100, such as a network controller, a mobility management entity, and other network entities, which are not limited in this embodiment of the present application.
It should be understood that the terms "system" and "network" are used interchangeably herein. The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In order to facilitate understanding of the technical solutions of the embodiments of the present application, the following describes related technologies related to the embodiments of the present application.
In the third generation partnership project (Third Generation Partner Project,3 GPP), D2D defines two transmission modes: mode a and mode B. Mode a and mode B are described below.
Mode a: as shown in fig. 2, transmission resources of a terminal are allocated by a base station, and in particular, the base station transmits a control message indicating Grant (Grant) resources to the terminal through a Downlink (DL); then, the terminal transmits data on SL according to the transmission resources allocated by the base station. In mode a, the base station may allocate resources for single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
Mode B: as shown in fig. 3, the terminal acquires an available transmission resource set in a resource pool by interception, and randomly selects one resource from the transmission resource set to transmit side-link data. Because the service in the internet of vehicles system has a periodic characteristic, the terminal generally adopts a semi-static transmission mode, that is, after the terminal selects one transmission resource, the resource is continuously used in a plurality of transmission periods, so that the probability of resource reselection and resource conflict is reduced. The terminal can carry the information of the reserved secondary transmission resources in the control information of the current transmission, so that other terminals can judge whether the resources are reserved and used by the terminal or not by detecting the control information of the terminal, and the purpose of reducing resource conflict is achieved.
It should be noted that, the transmission resource of the terminal is indicated by the mode a and is allocated by the base station, the transmission resource of the terminal is indicated by the mode B and is selected by the terminal, and the mode a and the mode B may be defined as other transmission modes, such as the mode 1 and the mode 2, which is not limited in the embodiment of the present application.
In 3GPP, D2D is studied in the following different stages.
Proximity services (Proximity based Service, proSe): in Rel-12/13, D2D was studied for ProSe scenarios, which are mainly directed to public safety class traffic.
Internet of vehicles (Vehicle to Everything, V2X): in Rel-14/15, D2D is studied for V2X scenes, which are mainly directed to traffic of car-car, car-man communications that move at a relatively high speed.
Wearable device (FeD 2D): in Rel-14, D2D is studied for the scenario where a wearable device accesses a network through a handset, which is mainly oriented to the scenario of low mobile speed and low power access.
In D2D communication, the basic design mechanisms are all performed inside RAT, for example, UE1 sends RAT1 related information (e.g. RAT1 side-link control information, side-link measurement information) to UE2 on RAT1, because only standardization work of LTE and NR two different RATs is performed for V2X, whereas V2X is standardized only for broadcast in LTE, and specific control and measurement mechanisms depend on unicast communication and multicast communication, which are standardized only in NR V2X, so there is no requirement for control and measurement across RATs.
In Rel-17, 3GPP will discuss for NR ProSe, which is a scenario of unicast communication, multicast communication, so there is a possibility that LTE ProSe and NR ProSe perform cross-RAT control, measurement. In order to achieve the purposes of cross-RAT control and measurement, the following technical scheme of the embodiment of the application is provided.
The technical solutions of the embodiments of the present application are applicable to D2D communication systems, and the terminals in the embodiments of the present application may be vehicle-mounted terminals, hand-held terminals, palm computers (PDA, personal Digital Assistant), wearable terminals, and so on.
Fig. 4 is a flow chart of a side-link communication method according to an embodiment of the present application, as shown in fig. 4, where the side-link communication method includes the following steps:
step 401: the first terminal sends a message associated with the second RAT to the second terminal through the first RAT.
In the embodiment of the application, the first RAT and the second RAT correspond to two different access modes. In an alternative embodiment, the first RAT is LTE and the second RAT is NR. In another alternative embodiment, the first RAT is NR and the second RAT is LTE.
In the embodiment of the application, the device-to-device communication between the first terminal and the second terminal can be realized through the first RAT, and the device-to-device communication can also be realized through the second RAT. To implement a cross-RAT side-uplink communication mechanism, a first terminal sends a second RAT-associated message to a second terminal over a first RAT.
In an optional embodiment of the application, the message associated with the second RAT comprises at least one of:
PC 5-radio resource Control (Radio Resource Control, RRC) messages, PC 5-Signaling (S) messages, PC5 discovery messages, PC5 Physical (PHY) layer messages, PC5 medium access Control (Media Access Control, MAC) layer messages, PC5 radio link Control (Radio Link Control, RLC) layer messages, PC5 packet data convergence protocol (Packet Data Convergence Protocol, PDCP) Control channels (Control channels), PC5 PDCP protocol data units (Protocol Data Unit, PDUs).
The second RAT related messages refer to messages related to the PC5 interface. Wherein the PC5 interface is an interface between terminals, such as an interface between the first terminal and the second terminal.
In the embodiment of the present application, the message associated with the second RAT further includes self attribute information of the first terminal on the second RAT and/or parameter configuration information of the second terminal on the second RAT, where the self attribute information and/or parameter configuration information may be specific to a side link or specific to a first link (specifically, uplink and/or downlink), which are described below respectively.
The second RAT associated message includes first attribute information for the side link for the first terminal on the second RAT and/or first parameter configuration information for the side link for the second terminal on the second RAT.
In an alternative embodiment, the first attribute information includes at least one of: side-link identity information, side-link capability information, side-link measurement information.
Further optionally, the side-link identity information includes at least one of the following information of side-link association: application identification, address, logical channel identification, logical channel group identification.
Further optionally, the side-downlink measurement information includes at least one of: channel busy ratio (Channel Busy Rate, CBR) measurement information, reference signal received power (Reference Signal Receiving Power, RSRP) measurement information.
In an optional embodiment, the first parameter configuration information includes at least one of:
configuration information for side-link measurements, configuration information for side-link communications, configuration information for side-link capability transmissions.
Further optionally, the configuration information for the side-uplink measurement includes at least one of: CBR measurement configuration information, RSRP measurement configuration information.
Further optionally, the configuration information for the side-link communication includes at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of service data adaptation protocol (Service Data Adaptation Protocol, SDAP) layer.
Further optionally, the configuration information sent for the side uplink capability is used to instruct the second terminal to determine the communication capability about the second RAT that needs to be reported.
The second RAT associated message includes second attribute information for a first link on the second RAT for the first terminal and/or second parameter configuration information for a first link on the second RAT for the second terminal, the first link including an uplink and/or a downlink.
In an alternative embodiment, the second attribute information includes at least one of: first link identity information, first link capability information, first link measurement information.
Further optionally, the first link identity information includes at least one of the following information associated with the first link: globally unique temporary UE identity (Globally Unique Temporary UE Identity, GUTI), international mobile subscriber identity (International Mobile Subscriber Identity, IMSI), subscription hidden identity (Subscription Concealed Identifier, sui), subscription permanent identity (Subscription Permanent Identifier, SUPI), tracking area identity (Tracking Area Identity, TAI) information, cell identity information, cell radio network temporary identity (Cell-Radio Network Temporary Identifier, C-RNTI) information, logical channel identity, logical channel group identity.
Further optionally, the first link measurement information includes at least one of: RSRP measurement information, reference signal received quality (Reference Signal Receiving Quality, RSRQ) measurement information.
In an alternative embodiment, the second parameter configuration information includes at least one of:
configuration information measured for the first link, configuration information communicated for the first link.
Further optionally, the configuration information for the first link measurement includes at least one of: RSRP measurement configuration information, RSRQ measurement configuration information.
Further optionally, the configuration information for the first link communication includes at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
In an optional embodiment of the present application, after the first terminal sends a message associated with the second RAT to the second terminal through the first RAT, the first terminal communicates with the second terminal through the first RAT and/or the second RAT.
The following is an example of the technical solution of the embodiment of the present application with reference to fig. 5 and 6.
As shown in fig. 5, fig. 5 is a first flowchart of a cross-RAT side uplink communication method according to an embodiment of the present application, including the following steps:
Step 501: the first terminal sends a message associated with RAT2 to the second terminal via RAT 1.
Here, the RAT2 associated message includes at least one of: PC5-RRC message, PC5-S message, PC5 discovery message, PC5 PHY layer message, PC5 MAC layer message, PC5 RLC layer message, PC5 PDCP control channel, PC5 PDCP PDU.
Further, the RAT2 associated message further includes own attribute information of the first terminal on RAT2, specifically, the RAT2 associated message further includes at least one of the following:
side uplink identity information of the first terminal on RAT 2;
side uplink capability information of the first terminal on RAT 2;
side uplink measurement information of the first terminal on RAT 2.
Further, the RAT2 associated message further comprises parameter configuration information of the second terminal on RAT2, in particular, the RAT2 associated message further comprises at least one of the following:
configuration information for the side uplink measurements;
configuration information for the side uplink communication;
configuration information sent for the side-uplink capability.
Step 502: the second terminal communicates with the first terminal via RAT1 and/or RAT 2.
Fig. 6 is a second flow chart of a cross-RAT side uplink communication method according to an embodiment of the present application, including the following steps:
Step 601: the first terminal communicates with a Network (NW) 1 via a Uu interface.
Step 602: and the second terminal and the NW2 communicate through a Uu interface.
It should be noted that, there is no sequence between the step 601 and the step 602.
Step 603: the first terminal sends a message associated with RAT2 to the second terminal via RAT 1.
Here, the RAT2 associated message includes at least one of: PC5-RRC message, PC5-S message, PC5 discovery message, PC5 PHY layer message, PC5 MAC layer message, PC5 RLC layer message, PC5 PDCP control channel, PC5 PDCP PDU.
Further, the RAT2 associated message further includes own attribute information of the first terminal on RAT2, specifically, the RAT2 associated message further includes at least one of the following:
uplink identity information and/or downlink side identity information of the first terminal on RAT 2;
uplink capability information and/or downlink capability information of the first terminal on RAT 2;
capability information measurement information and/or downlink measurement information of the first terminal on RAT 2.
Further, the RAT2 associated message further comprises parameter configuration information of the second terminal on RAT2, in particular, the RAT2 associated message further comprises at least one of the following:
Configuration information for uplink measurements and/or downlink measurements;
configuration information for uplink and/or downlink communications.
Step 604: the second terminal communicates with the first terminal via RAT1 and/or RAT 2.
Fig. 7 is a schematic structural diagram of a side-link communication device according to an embodiment of the present application, as shown in fig. 7, where the side-link communication device includes:
a sending unit 701, configured to send a message associated with the second RAT to the second terminal through the first RAT.
In an optional embodiment of the application, the message associated with the second RAT comprises at least one of:
PC5-RRC message, PC5-S message, PC5 discovery message, PC5 PHY layer message, PC5MAC layer message, PC5 RLC layer message, PC5 PDCP control channel, PC5 PDCP PDU.
In an alternative embodiment of the present application, the message associated with the second RAT includes first attribute information for a side link of the first terminal on the second RAT and/or first parameter configuration information for a side link of the second terminal on the second RAT.
In an optional embodiment of the application, the first attribute information includes at least one of:
Side-link identity information, side-link capability information, side-link measurement information.
In an alternative embodiment of the present application, the side-link identity information includes at least one of the following information associated with the side-link: application identification, address, logical channel identification, logical channel group identification.
In an alternative embodiment of the present application, the side-downlink measurement information includes at least one of: CBR measurement information and RSRP measurement information.
In an optional embodiment of the application, the first parameter configuration information includes at least one of:
configuration information for side-link measurements, configuration information for side-link communications, configuration information for side-link capability transmissions.
In an optional embodiment of the application, the configuration information for the side-uplink measurement comprises at least one of: CBR measurement configuration information, RSRP measurement configuration information.
In an alternative embodiment of the present application, the configuration information for the side-link communication includes at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
In an optional embodiment of the present application, the configuration information sent for the side uplink capability is used to instruct the second terminal to determine the communication capability about the second RAT that needs to be reported.
In an alternative embodiment of the present application, the message associated with the second RAT includes second attribute information for a first link on the second RAT by the first terminal and/or second parameter configuration information for the first link on the second RAT by the second terminal, where the first link includes an uplink and/or a downlink.
In an optional embodiment of the application, the second attribute information includes at least one of:
first link identity information, first link capability information, first link measurement information.
In an optional embodiment of the application, the first link identity information comprises at least one of the following information associated with the first link: GUTI, IMSI, SUCI, SUPI, TAI information, cell identity information, C-RNTI information, logical channel identity, logical channel group identity.
In an alternative embodiment of the present application, the first link measurement information includes at least one of: RSRP measurement information, RSRQ measurement information.
In an optional embodiment of the application, the second parameter configuration information includes at least one of:
configuration information measured for the first link, configuration information communicated for the first link.
In an optional embodiment of the application, the configuration information for the first link measurement includes at least one of: RSRP measurement configuration information, RSRQ measurement configuration information.
In an optional embodiment of the application, the configuration information for the first link communication comprises at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
In an alternative embodiment of the present application, the apparatus further comprises:
a communication unit 702, configured to communicate with the second terminal through the first RAT and/or the second RAT.
It will be appreciated by those skilled in the art that the above description of the side-link communication apparatus of the embodiments of the present application may be understood with reference to the description of the side-link communication method of the embodiments of the present application.
Fig. 8 is a schematic block diagram of a communication device 800 according to an embodiment of the present application. The communication device may be a terminal or a network device, and the communication device 800 shown in fig. 8 includes a processor 810, where the processor 810 may call and execute a computer program from a memory to implement the method according to the embodiments of the present application.
Optionally, as shown in fig. 8, the communication device 800 may also include a memory 820. Wherein the processor 810 may call and run a computer program from the memory 820 to implement the method in embodiments of the present application.
Wherein the memory 820 may be a separate device from the processor 810 or may be integrated into the processor 810.
Optionally, as shown in fig. 8, the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, and in particular, may send information or data to other devices, or receive information or data sent by other devices.
Among other things, transceiver 830 may include a transmitter and a receiver. Transceiver 830 may further include antennas, the number of which may be one or more.
Optionally, the communication device 800 may be specifically a network device in the embodiment of the present application, and the communication device 800 may implement a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the communication device 800 may be a mobile terminal/terminal in the embodiment of the present application, and the communication device 800 may implement a corresponding flow implemented by the mobile terminal/terminal in each method in the embodiment of the present application, which is not described herein for brevity.
Fig. 9 is a schematic structural view of a chip of an embodiment of the present application. The chip 900 shown in fig. 9 includes a processor 910, and the processor 910 may call and execute a computer program from a memory to implement the method in an embodiment of the present application.
Optionally, as shown in fig. 9, the chip 900 may further include a memory 920. Wherein the processor 910 may invoke and run a computer program from the memory 920 to implement the method in the embodiments of the present application.
Wherein the memory 920 may be a separate device from the processor 910 or may be integrated in the processor 910.
Optionally, the chip 900 may also include an input interface 930. The processor 910 may control the input interface 930 to communicate with other devices or chips, and in particular, may acquire information or data sent by the other devices or chips.
Optionally, the chip 900 may also include an output interface 940. Wherein the processor 910 may control the output interface 940 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.
Optionally, the chip may be applied to the network device in the embodiment of the present application, and the chip may implement a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the chip may be applied to a mobile terminal/terminal in the embodiment of the present application, and the chip may implement a corresponding flow implemented by the mobile terminal/terminal in each method in the embodiment of the present application, which is not described herein for brevity.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
Fig. 10 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application. As shown in fig. 10, the communication system 1000 includes a terminal 1010 and a network device 1020.
The terminal 1010 may be used to implement the corresponding functions implemented by the terminal in the above method, and the network device 1020 may be used to implement the corresponding functions implemented by the network device in the above method, which are not described herein for brevity.
It should be appreciated that the processor of an embodiment of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. 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 connection with the embodiments of the present application may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
It will be appreciated that the memory in embodiments of the application may be volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts 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 SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
It should be understood that the above memory is illustrative but not restrictive, and for example, the memory in the embodiments of the present application may be Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), direct RAM (DR RAM), and the like. That is, the memory in embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
The embodiment of the application also provides a computer readable storage medium for storing a computer program.
Optionally, the computer readable storage medium may be applied to a network device in the embodiment of the present application, and the computer program causes a computer to execute a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the computer readable storage medium may be applied to a mobile terminal/terminal in the embodiment of the present application, and the computer program causes a computer to execute a corresponding procedure implemented by the mobile terminal/terminal in each method of the embodiment of the present application, which is not described herein for brevity.
The embodiment of the application also provides a computer program product comprising computer program instructions.
Optionally, the computer program product may be applied to a network device in the embodiment of the present application, and the computer program instructions cause a computer to execute corresponding processes implemented by the network device in each method in the embodiment of the present application, which are not described herein for brevity.
Optionally, the computer program product may be applied to a mobile terminal/terminal in the embodiment of the present application, and the computer program instructions cause a computer to execute corresponding processes implemented by the mobile terminal/terminal in each method of the embodiment of the present application, which are not described herein for brevity.
The embodiment of the application also provides a computer program.
Optionally, the computer program may be applied to a network device in the embodiment of the present application, and when the computer program runs on a computer, the computer is caused to execute a corresponding flow implemented by the network device in each method in the embodiment of the present application, which is not described herein for brevity.
Optionally, the computer program may be applied to a mobile terminal/terminal in the embodiment of the present application, and when the computer program runs on a computer, the computer is caused to execute a corresponding flow implemented by the mobile terminal/terminal in each method in the embodiment of the present application, which is not described herein for brevity.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (37)
1. A method of side-link communication, the method comprising:
the first terminal sends a message associated with a second Radio Access Technology (RAT) to the second terminal through the RAT; the second RAT associated message includes first attribute information for the side link for the first terminal on the second RAT and/or first parameter configuration information for the side link for the second terminal on the second RAT.
2. The method of claim 1, wherein the message associated with the second RAT comprises at least one of:
PC5-RRC message, PC5-S message, PC5 discovery message, PC5 PHY layer message, PC5 MAC layer message, PC5 RLC layer message, PC5 PDCP control channel, PC5 PDCP PDU.
3. The method of claim 1, wherein the first attribute information comprises at least one of:
Side-link identity information, side-link capability information, side-link measurement information.
4. A method according to claim 3, wherein the side-link identity information comprises side-link associated at least one of the following information: application identification, address, logical channel identification, logical channel group identification.
5. The method of claim 3 or 4, wherein the side-uplink measurement information comprises at least one of: CBR measurement information and RSRP measurement information.
6. The method of any of claims 1-4, wherein the first parameter configuration information comprises at least one of:
configuration information for side-link measurements, configuration information for side-link communications, configuration information for side-link capability transmissions.
7. The method of claim 6, wherein the configuration information for side-uplink measurements comprises at least one of: CBR measurement configuration information, RSRP measurement configuration information.
8. The method of claim 6, wherein the configuration information for side-link communications comprises at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
9. The method of claim 6, wherein the configuration information for side-uplink capability transmission is used to indicate the second terminal to determine communication capabilities about the second RAT that need to be reported.
10. The method according to claim 1 or 2, wherein the second RAT-associated message comprises second attribute information for a first link on the second RAT for the first terminal and/or second parameter configuration information for a first link on the second RAT for the second terminal, the first link comprising an uplink and/or a downlink.
11. The method of claim 10, wherein the second attribute information comprises at least one of:
first link identity information, first link capability information, first link measurement information.
12. The method of claim 11, wherein the first link identity information comprises at least one of the following information associated with the first link: GUTI, IMSI, SUCI, SUPI, TAI information, cell identity information, C-RNTI information, logical channel identity, logical channel group identity.
13. The method of claim 11 or 12, wherein the first link measurement information comprises at least one of: RSRP measurement information, RSRQ measurement information.
14. The method of claim 10, wherein the second parameter configuration information comprises at least one of:
configuration information measured for the first link, configuration information communicated for the first link.
15. The method of claim 14, wherein the configuration information for the first link measurement comprises at least one of: RSRP measurement configuration information, RSRQ measurement configuration information.
16. The method of claim 14 or 15, wherein the configuration information for the first link communication comprises at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
17. The method of any one of claims 1 to 4, 7 to 9, 11, 12, 14 and 15, wherein the method further comprises:
the first terminal communicates with the second terminal via the first RAT and/or the second RAT.
18. A side-link communication device, the device comprising:
a sending unit, configured to send a message associated with a second RAT to a second terminal through a first RAT; the second RAT associated message includes first attribute information for the side link for the first terminal on the second RAT and/or first parameter configuration information for the side link for the second terminal on the second RAT.
19. The apparatus of claim 18, wherein the message associated with the second RAT comprises at least one of:
PC5-RRC message, PC5-S message, PC5 discovery message, PC5 PHY layer message, PC5 MAC layer message, PC5 RLC layer message, PC5 PDCP control channel, PC5 PDCP PDU.
20. The apparatus of claim 18, wherein the first attribute information comprises at least one of:
side-link identity information, side-link capability information, side-link measurement information.
21. The apparatus of claim 20, wherein the sidelink identity information comprises at least one of the following of sidelink association: application identification, address, logical channel identification, logical channel group identification.
22. The apparatus of claim 20 or 21, wherein the side-uplink measurement information comprises at least one of: CBR measurement information and RSRP measurement information.
23. The apparatus of any of claims 18 to 21, wherein the first parameter configuration information comprises at least one of:
configuration information for side-link measurements, configuration information for side-link communications, configuration information for side-link capability transmissions.
24. The apparatus of claim 23, wherein the configuration information for side-uplink measurements comprises at least one of: CBR measurement configuration information, RSRP measurement configuration information.
25. The apparatus of claim 23, wherein the configuration information for side-link communications comprises at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
26. The apparatus of claim 23, wherein the configuration information for side-uplink capability transmission is used to indicate the second terminal to determine communication capabilities regarding the second RAT that need to be reported.
27. The apparatus of claim 18 or 19, wherein the second RAT-associated message comprises second attribute information for a first link on the second RAT for the first terminal and/or second parameter configuration information for a first link on the second RAT for the second terminal, the first link comprising an uplink and/or a downlink.
28. The apparatus of claim 27, wherein the second attribute information comprises at least one of:
First link identity information, first link capability information, first link measurement information.
29. The apparatus of claim 28, wherein the first link identity information comprises at least one of the following information associated with the first link: GUTI, IMSI, SUCI, SUPI, TAI information, cell identity information, C-RNTI information, logical channel identity, logical channel group identity.
30. The apparatus of claim 28 or 29, wherein the first link measurement information comprises at least one of: RSRP measurement information, RSRQ measurement information.
31. The apparatus of claim 27, wherein the second parameter configuration information comprises at least one of:
configuration information measured for the first link, configuration information communicated for the first link.
32. The apparatus of claim 31, wherein the configuration information for the first link measurement comprises at least one of: RSRP measurement configuration information, RSRQ measurement configuration information.
33. The apparatus of claim 31 or 32, wherein the configuration information for the first link communication comprises at least one of: configuration information of PHY layer, configuration information of MAC layer, configuration information of RLC layer, configuration information of PDCP layer, configuration information of SDAP layer.
34. The apparatus of any one of claims 18 to 21, 24 to 26, 28, 29, 31 and 32, wherein the apparatus further comprises:
and the communication unit is used for communicating with the second terminal through the first RAT and/or the second RAT.
35. A terminal, comprising: a processor and a memory for storing a computer program, the processor being adapted to invoke and run the computer program stored in the memory, to perform the method of any of claims 1 to 17.
36. A chip, comprising: a processor for calling and running a computer program from a memory, causing a device on which the chip is mounted to perform the method of any one of claims 1 to 17.
37. A computer readable storage medium storing a computer program for causing a computer to perform the method of any one of claims 1 to 17.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/100851 WO2021026905A1 (en) | 2019-08-15 | 2019-08-15 | Sidelink communication method and apparatus, and terminal |
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| CN113508618A CN113508618A (en) | 2021-10-15 |
| CN113508618B true CN113508618B (en) | 2023-12-08 |
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| CN201980093291.4A Active CN113508618B (en) | 2019-08-15 | 2019-08-15 | Side-link communication method and device and terminal |
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| WO2018040109A1 (en) * | 2016-09-05 | 2018-03-08 | 华为技术有限公司 | Method and apparatus for wireless communications |
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| CN109644515A (en) * | 2016-08-31 | 2019-04-16 | 高通股份有限公司 | Recommend one group of D2D RAT type |
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| WO2021026905A1 (en) | 2021-02-18 |
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