WO2021238911A1 - 层二标识确定方法、装置及终端 - Google Patents

层二标识确定方法、装置及终端 Download PDF

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Publication number
WO2021238911A1
WO2021238911A1 PCT/CN2021/095784 CN2021095784W WO2021238911A1 WO 2021238911 A1 WO2021238911 A1 WO 2021238911A1 CN 2021095784 W CN2021095784 W CN 2021095784W WO 2021238911 A1 WO2021238911 A1 WO 2021238911A1
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Prior art keywords
layer
identifier
group
identification
bits
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PCT/CN2021/095784
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English (en)
French (fr)
Inventor
王文
康艳超
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维沃移动通信有限公司
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Publication of WO2021238911A1 publication Critical patent/WO2021238911A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a method, device and terminal for determining a layer two identifier.
  • the user equipment In the Long Term Evolution (LTE) Vehicle-To-Everything (V2X) technology, the user equipment (UE, also known as terminal) can directly communicate with the UE through the PC5 interface (also known as For the side link (Sidelink)) for the transmission of business data.
  • LTE Long Term Evolution
  • V2X Vehicle-To-Everything
  • PC5 interface also known as For the side link (Sidelink)
  • New Radio needs to introduce multicast services.
  • the application layer of the UE may provide a group ID (group ID) to the V2X layer.
  • group ID group ID
  • the V2X layer needs to determine the destination layer 2 ID of the multicast communication based on the group ID. How to determine the layer 2 ID based on the group ID needs to be solved urgently .
  • the purpose of the embodiments of this application is to provide a method, device, and terminal for determining a layer two identifier, which can solve the problem of how to determine the destination layer two of the multicast communication according to the group identifier if the application layer of the UE provides a group identifier in multicast communication. Identify the problem.
  • a method for determining a layer two identifier which is applied to a terminal, and the method includes:
  • the destination layer 2 ID is determined according to one of the following methods: layer 2 ID conversion algorithm, service ID and destination layer 2 ID mapping rules, preset logic operation rules, or application layer Provide destination level 2 identification;
  • the multicast communication data is received or sent according to the target layer two identifier.
  • a device for determining a layer two identifier including:
  • the determination module is used to determine the destination layer two identification according to one of the following methods if the application layer provides the group identification of the multicast communication: the layer two identification conversion algorithm, the mapping rule between the service identification and the destination layer two identification, and the preset logic operation rules , Or, the application layer provides the destination layer two identification;
  • the transmission module is used for receiving or sending multicast communication data according to the target layer two identifier.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor.
  • the program or instruction is executed by the processor, The steps of the layer two identification determination method as described in the first aspect are implemented.
  • a readable storage medium is provided, and a program or instruction is stored on the readable storage medium.
  • the program or instruction When executed by a processor, it implements the steps of the layer two identification determination method as described in the first aspect. .
  • a chip in a fifth aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor. The layer two identification determination method described above.
  • a computer software product is provided, the computer software product is stored in a non-volatile storage medium, and the software product is configured to be executed by at least one processor to implement the computer software product described in the first aspect Layer two identifies the steps of the method for determining.
  • a device for determining a layer two identifier is provided, and the device for determining a layer two identifier is configured to execute the method for determining a layer two identifier as described in the first aspect.
  • the destination layer two identification of the multicast communication can be determined, so as to realize the multicast communication.
  • Fig. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is a schematic flowchart of a method for determining a layer two identifier according to an embodiment of the present application
  • FIG. 3 is a structural block diagram of an apparatus for determining a layer two identifier according to an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of a terminal for implementing an embodiment of the present application.
  • FIG. 5 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • first and second in the specification and claims of this application are used to distinguish similar objects, but not to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first” and “second” It is usually one type, and the number of objects is not limited.
  • the first object may be one or more.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the associated objects before and after are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the aforementioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a network side device 11 and a terminal 12.
  • the terminal 12 may also be referred to as a terminal device or a user terminal (User Equipment, UE), and the terminal 12 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer or a personal digital device.
  • UE User Equipment
  • the network side device 11 may be a base station or a core network, where the base station may be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), radio base station, radio transceiver, basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network, WLAN ) Access point, Wireless Fidelity (WiFi) node, Transmitting Receiving Point (TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to For specific technical vocabulary, it should be noted that, in the embodiments of the present application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 shows a schematic flowchart of a method for determining a layer two identifier according to an embodiment of the present application.
  • This layer two identification determination method is applied to the terminal and includes:
  • Step 21 If the application layer provides a group ID for multicast communication, determine the destination layer 2 ID according to one of the following methods: Layer 2 ID conversion algorithm, mapping between service ID and destination layer 2 ID Rules, preset logical operation rules, or the application layer provides the target layer two identification;
  • the target layer 2 identifier is included in the media access control (Media Access Control, MAC) subheader, and the length and format may be agreed upon by the protocol, for example, the length may be 24 bits.
  • Media Access Control Media Access Control
  • Step 22 Receiving or sending multicast communication data according to the destination layer two identifier.
  • the multicast communication in the embodiments of the present application may be V2X multicast communication, or short-distance multicast communication. If the multicast communication is V2X communication, the application layer of the terminal provides the group ID of the multicast communication to the V2X layer, and the V2X layer determines the target layer 2 ID according to the above method.
  • the multicast communication data is sent according to the destination layer two identifier, and if the terminal is the end that receives the multicast communication data, in step 22 , Receiving multicast communication data according to the destination layer two identifier.
  • the layer two identification conversion algorithm may also be referred to as the layer two identification conversion mechanism.
  • the layer two identification conversion algorithm is used to transform the group identification of the multicast communication into the destination layer two identification of the multicast communication.
  • the group identifier is used as the input value of the layer two identifier conversion algorithm, and the target layer two identifier is used as the output value of the layer two identifier conversion algorithm.
  • determining the target layer two identifier according to the layer two identifier conversion algorithm includes: inputting the group identifier into the layer two identifier conversion algorithm, and obtaining the output value of the layer two identifier conversion algorithm as the target layer two identifier.
  • the terminal only needs to input the group identification provided by the application layer into the layer two identification conversion algorithm, and obtain the output value of the layer two identification conversion algorithm as the destination layer two identification.
  • the layer two identity conversion algorithm is pre-configured.
  • Pre-configuration refers to pre-store or configuration of the layer two identity conversion algorithm in the memory of the terminal, or pre-store or configuration in the subscriber identity module (SIM) card of the terminal.
  • SIM subscriber identity module
  • the layer two identity conversion algorithm is configured by the network side.
  • the network side may be a core network, specifically it may be an access and mobility management function (AMF) or a policy control function (PCF), etc.
  • AMF access and mobility management function
  • PCF policy control function
  • the layer two identity conversion algorithm is provided by the application layer. Further optionally, the layer two identity conversion algorithm may be provided by the application layer at the same time as the group identity of the multicast communication is provided.
  • the logical operation rule of the layer two identification conversion algorithm is related to the length and format of the group identification. That is, the target layer two ID is determined according to the length and format of the group ID.
  • the logical operation rules of the layer two identification conversion algorithm include:
  • the format of the input group identifier is the same as the destination layer two identifier, and the length of the group identifier is greater than a specified number of bits, the first specified number of bits or the last specified number of bits of the group identification are used as the output value;
  • the head position or the tail position of the group ID is filled with zeros to the length of the group ID It is equal to the specified number of bits, and the zero-padded group identifier is used as the output value.
  • the length and format of the destination layer two identifier are agreed upon by the protocol.
  • the specified number is 24.
  • the inputting the group identification into the layer two identification conversion algorithm includes: inputting the group identification and the designated value into the layer two identification conversion algorithm.
  • the logic operation rules of the layer two identification conversion algorithm include:
  • the specified operation is an exclusive OR operation.
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the target layer two identifier mapped to the service identifier of the multicast communication is used as the target layer two identifier.
  • mapping rule between the service identifier and the destination layer two identifier is pre-configured or configured on the network side.
  • the preset logical operation rule is related to the length and format of the group identifier. That is, the target layer two ID is determined according to the length and format of the group ID.
  • determining the target layer 2 identifier according to a preset logical operation rule includes:
  • the format of the group identifier is the same as that of the destination layer two identifier, and the length of the group identifier is greater than a specified number of bits, the first specified number of bits or the last specified number of bits of the group identification are used as the destination layer two logo
  • the format of the group identifier is the same as that of the destination layer two identifier, and the length of the group identifier is less than a specified number of bits, zero padded at the head position or tail position of the group identifier until the length of the group identifier is equal to the length of the group identifier.
  • the specified number of bits is used, and the group identifier with zero padding is used as the destination layer two identifier.
  • the length and format of the destination layer two identifier are agreed upon by the protocol.
  • the specified number is 24.
  • determining the target level two identifier according to a preset logical operation rule includes: performing a designated operation on the group identifier and a designated value, and the result of the operation is used as the target level two identifier.
  • the specified operation is an exclusive OR operation.
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the destination layer two identifier provided by the application layer is used as the destination layer two identifier of the multicast communication.
  • the above-mentioned layer two identification determination method of the present application will be described as an example.
  • the terminal is pre-configured or the network side configures the layer two identifier conversion algorithm for multicast communication for the terminal, and the terminal determines the destination layer two identifier according to the layer two identifier conversion algorithm.
  • the layer two identification conversion algorithm is used to transform the group identification of the multicast communication into the destination layer two identification of the multicast communication.
  • the group identifier is used as the input value of the layer two identifier conversion algorithm, and the target layer two identifier is used as the output value of the layer two identifier conversion algorithm.
  • the logic operation rule of the layer two identification conversion algorithm may be:
  • the inputted group identifier has the same format as the destination layer two identifier, and the length of the group identifier is greater than 24 bits, use the first 24 bits or the last 24 bits of the group identifier as the output value;
  • the zero-padded group identifier is used as the output value.
  • the logic operation rule of the layer two identification conversion algorithm may also be:
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the application layer provides a multicast communication layer two identification conversion algorithm while providing the group identification of the multicast communication, and the terminal determines the target layer two identification according to the layer two identification conversion algorithm.
  • the layer two identification conversion algorithm is used to transform the group identification of the multicast communication into the destination layer two identification of the multicast communication.
  • the group identifier is used as the input value of the layer two identifier conversion algorithm, and the target layer two identifier is used as the output value of the layer two identifier conversion algorithm.
  • the logic operation rule of the layer two identification conversion algorithm may be:
  • the inputted group identifier has the same format as the destination layer two identifier, and the length of the group identifier is greater than 24 bits, use the first 24 bits or the last 24 bits of the group identifier as the output value;
  • the zero-padded group identifier is used as the output value.
  • the logic operation rule of the layer two identification conversion algorithm may also be:
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the terminal Even if the application layer provides the group ID for multicast communication, the terminal still determines the target layer 2 ID according to the configured mapping rules of the V2X service ID and the target layer 2 ID.
  • the terminal determines the target layer two identifier according to the preset logic operation rule.
  • the preset logic operation rules can be:
  • the format of the group identifier and the target layer two identifier are the same, and the length of the group identifier is greater than 24 bits, use the first 24 bits or the last 24 bits of the group identifier as the destination layer two identifier;
  • the format of the group identifier and the destination layer two identifier are the same, and the length of the group identifier is less than 24 bits, zero padded at the head position or the tail position of the group identifier until the length of the group identifier is equal to 24 bits, The zero-padded group identifier is used as the target layer two identifier.
  • the preset logic operation rules can also be:
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the destination layer two identifier of the multicast communication can be determined, so as to realize the multicast communication.
  • the execution subject may be the layer two identification determination device, or the control module in the layer two identification determination device for executing the layer two identification determination method.
  • the method for the layer two identification determination method performed by the layer two identification determination device is taken as an example to illustrate the layer two identification determination device provided in the embodiment of the present application.
  • Fig. 3 shows a structural block diagram of an apparatus for determining a layer two identifier according to an embodiment of the present application.
  • the layer two identification determination device 30 includes:
  • the determining module 31 is used to determine the destination layer two identification according to one of the following methods if the application layer provides the group identification of the multicast communication: the layer two identification conversion algorithm, the mapping rule between the service identification and the destination layer two identification, and the preset logical operation Rules, or, the application layer provides the destination layer two identification;
  • the transmission module 32 is configured to receive or send multicast communication data according to the target layer two identifier.
  • the determining module 32 includes:
  • the first determining sub-module is configured to input the group identification into the layer two identification conversion algorithm, and obtain the output value of the layer two identification conversion algorithm as the target layer two identification.
  • the layer two identity conversion algorithm is pre-configured, configured on the network side, or provided by the application layer.
  • the logical operation rule of the layer two identifier conversion algorithm is related to the length and format of the group identifier.
  • the logic operation rules of the layer two identification conversion algorithm include:
  • the format of the input group identifier is the same as the destination layer two identifier, and the length of the group identifier is greater than a specified number of bits, the first specified number of bits or the last specified number of bits of the group identification are used as the output value;
  • the head position or the tail position of the group ID is filled with zeros to the length of the group ID It is equal to the specified number of bits, and the zero-padded group identifier is used as the output value.
  • the determining module 32 includes:
  • the first determining submodule is configured to input the group identifier and the specified value into the layer two identifier conversion algorithm, and obtain the output value of the layer two identifier conversion algorithm as the target layer two identifier;
  • the logic operation rules of the layer two identification conversion algorithm include:
  • the determining module 32 includes:
  • the second determining submodule is configured to use the target layer two identifier mapped to the service identifier of the multicast communication as the target layer two identifier.
  • mapping rule between the service identifier and the destination layer two identifier is pre-configured or configured on the network side.
  • the preset logical operation rule is related to the length and format of the group identifier.
  • the determining module 32 includes:
  • the third determining submodule is configured to use the group identifier as the destination layer two identifier if the length and format of the group identifier and the destination layer two identifier are the same; if the format of the group identifier and the destination layer two identifier Same, and the length of the group identifier is greater than a specified number of bits, the first specified number of bits or the last specified number of bits of the group identification are used as the destination layer two identification; if the group identification and the destination layer two identification The format of the group identifier is the same, and the length of the group identifier is less than a specified number of bits, and the head position or tail position of the group identifier is filled with zeros until the length of the group identifier is equal to the specified number of bits.
  • the group identifier of is used as the target layer two identifier.
  • the determining module 32 includes:
  • the fourth determining sub-module is used to perform a specified operation on the group ID and a specified value, and the result of the operation is used as the target layer two ID.
  • the specified operation is an exclusive OR operation.
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the determining module 32 includes:
  • the fifth determining submodule is used to use the destination layer two identifier provided by the application layer as the destination layer two identifier of the multicast communication.
  • the destination layer two identifier of the multicast communication can be determined, so as to realize the multicast communication.
  • the device for determining the layer two identifier in the embodiment of the present application may be a device, or a component, an integrated circuit, or a chip in a terminal.
  • the device can be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but is not limited to the types of the terminal 12 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television ( Television, TV), teller machines, self-service machines, etc., are not specifically limited in the embodiments of the present application.
  • the device for determining the layer two identifier in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.
  • the layer two identification determination device provided in the embodiment of the present application can implement the various processes implemented in the method embodiment of FIG. 2 and achieve the same technical effect. To avoid repetition, details are not described herein again.
  • an embodiment of the present application also provides a terminal 40, including a processor 41, a memory 42, a program or instruction stored on the memory 42 and capable of running on the processor 41, the program or instruction is
  • the processor 41 implements each process of the above-mentioned layer two identification determination method embodiment when executing, and can achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 5 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 50 includes, but is not limited to: a radio frequency unit 51, a network module 52, an audio output unit 53, an input unit 54, a sensor 55, a display unit 56, a user input unit 57, an interface unit 58, a memory 59, and a processor 510. .
  • the terminal 50 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or some components may be combined, or different component arrangements, which will not be repeated here.
  • the input unit 54 may include a graphics processing unit (GPU) 541 and a microphone 542, and the graphics processor 541 is paired by the image capture device ( For example, the image data of the still picture or video obtained by the camera) is processed.
  • the display unit 56 may include a display panel 561, and the display panel 561 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 57 includes a touch panel 571 and other input devices 572.
  • the touch panel 571 is also called a touch screen.
  • the touch panel 571 may include two parts, a touch detection device and a touch controller.
  • Other input devices 572 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the radio frequency unit 51 receives the downlink data from the network-side device and sends it to the processor 510 for processing; in addition, it sends the uplink data to the network-side device.
  • the radio frequency unit 51 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 59 can be used to store software programs or instructions and various data.
  • the memory 59 may mainly include a storage program or instruction area and a data storage area, where the storage program or instruction area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.).
  • the memory 59 may include a high-speed random access memory, and may also include a non-volatile memory, where the non-volatile memory may be a read-only memory (Read-Only Memory, ROM) or a programmable read-only memory (Programmable ROM).
  • PROM erasable programmable read-only memory
  • Erasable PROM EPROM
  • Electrically erasable programmable read-only memory Electrically EPROM, EEPROM
  • flash memory For example, at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 510 may include one or more processing units; optionally, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, etc.
  • the modem processor mainly deals with wireless communication, such as a baseband processor. It can be understood that the foregoing modem processor may not be integrated into the processor 510.
  • the processor 510 is configured to determine the destination layer two identification according to one of the following methods if the application layer provides the group identification of the multicast communication: the layer two identification conversion algorithm, the mapping rule between the service identification and the destination layer two identification, preset Logical operation rules, or, the application layer provides the destination layer two identification;
  • the radio frequency unit 51 is configured to receive or send multicast communication data according to the target layer two identifier.
  • the destination layer two identifier of the multicast communication can be determined, so as to realize the multicast communication.
  • the processor 510 is further configured to input the group identification into a layer two identification conversion algorithm, and obtain an output value of the layer two identification conversion algorithm as the destination layer two identification.
  • the layer two identity conversion algorithm is pre-configured, configured on the network side, or provided by the application layer.
  • the logical operation rule of the layer two identifier conversion algorithm is related to the length and format of the group identifier.
  • the logic operation rules of the layer two identification conversion algorithm include:
  • the format of the input group identifier is the same as the destination layer two identifier, and the length of the group identifier is greater than a specified number of bits, the first specified number of bits or the last specified number of bits of the group identification are used as the output value;
  • the head position or the tail position of the group ID is filled with zeros to the length of the group ID It is equal to the specified number of bits, and the zero-padded group identifier is used as the output value.
  • the processor 510 is further configured to input the group identifier and the designated value into the layer two identifier conversion algorithm;
  • the logic operation rules of the layer two identification conversion algorithm include:
  • the processor 510 is further configured to use the target layer two identifier mapped to the service identifier of the multicast communication as the target layer two identifier.
  • mapping rule between the service identifier and the destination layer two identifier is pre-configured or configured on the network side.
  • the preset logical operation rule is related to the length and format of the group identifier.
  • the processor 510 is further configured to, if the length and format of the group identification and the destination layer two identification are the same, use the group identification as the destination layer two identification;
  • the format of the identification is the same, and the length of the group identification is greater than a specified number of bits, the first specified number of bits or the last specified number of bits of the group identification are used as the destination layer two identification; if the group identification and the destination
  • the format of the layer two identifier is the same, and the length of the group identifier is less than a specified number of bits, and the head position or tail position of the group identifier is filled with zeros until the length of the group identifier is equal to the specified number of bits.
  • the zero-padded group identifier serves as the target layer two identifier.
  • the processor 510 is further configured to perform a designated operation on the group identifier and a designated value, and the result of the operation is used as the target layer two identifier.
  • the specified operation is an exclusive OR operation.
  • the specified value is pre-configured, configured on the network side, or provided by the application layer.
  • the processor 510 is further configured to use the destination layer two identifier provided by the application layer as the destination layer two identifier of the multicast communication.
  • the embodiment of the present application also provides a readable storage medium having a program or instruction stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned layer two identification determination method embodiment is realized, and can To achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks, or optical disks.
  • An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used to run a network-side device program or instruction to implement the above-mentioned layer two identification
  • the chip includes a processor and a communication interface
  • the communication interface is coupled with the processor
  • the processor is used to run a network-side device program or instruction to implement the above-mentioned layer two identification
  • the chip mentioned in the embodiment of the present application may also be called a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.
  • the program can be stored in a computer readable storage medium. When executed, it may include the procedures of the above-mentioned method embodiments.
  • the storage medium may be a magnetic disk, an optical disc, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.
  • modules, units, and sub-units can be implemented in one or more application specific integrated circuits (ASIC), digital signal processors (Digital Signal Processor, DSP), and digital signal processing equipment (DSP Device, DSPD). ), programmable logic devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, used to implement this disclosure Described functions in other electronic units or combinations thereof.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processor
  • DSP Device digital signal processing equipment
  • PLD programmable logic devices
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented by modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.

Abstract

本申请公开了一种层二标识确定方法、装置及终端，属于通信技术领域。该层二标识确定方法包括：若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；根据所述目的层二标识进行组播通信数据的接收或发送。

Description

层二标识确定方法、装置及终端
相关申请的交叉引用
本申请主张在2020年5月25日在中国提交的中国专利申请号No.202010451736.6的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种层二标识确定方法、装置及终端。
背景技术
在长期演进(Long Term Evolution，LTE)的车联网(Vehicle-To-Everything，V2X)技术中，用户设备(user equipment，UE，也称为终端)与UE之间可以直接通过PC5接口(也称为旁链路(Sidelink))进行业务数据的传输。
随着车联网技术的进一步发展，新的一些应用场景的出现，例如：车辆编队、高级驾驶、传感器信息共享、以及远程控制等应用。这些应用中有些要求的是一个组内的UE之间的通信。新空口(New Radio，NR)需要引入组播业务。
在V2X组播通信中，UE的应用层可能会提供组标识(group ID)给V2X层，V2X层需要根据组标识确定组播通信的目的层二标识，如何根据组标识确定层二标识亟待解决。
发明内容
本申请实施例的目的是提供一种层二标识确定方法、装置及终端，能够解决在组播通信中，若UE的应用层提供了组标识，如何根据组标识确定组播通信的目的层二标识的问题。
为了解决上述技术问题，本申请是这样实现的：
第一方面，提供了一种层二标识确定方法，应用于终端，该方法包括：
若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标 识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
根据所述目的层二标识进行组播通信数据的接收或发送。
第二方面，提供了一种层二标识确定装置，包括：
确定模块，用于若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
传输模块，用于根据所述目的层二标识进行组播通信数据的接收或发送。
第三方面，提供了一种终端，该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的层二标识确定方法的步骤。
第四方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的层二标识确定方法的步骤。
第五方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现如第一方面所述的层二标识确定方法。
第六方面，提供了一种计算机软件产品，所述计算机软件产品被存储在非易失的存储介质中，所述软件产品被配置成被至少一个处理器执行以实现如第一方面所述的层二标识确定方法的步骤。
第七方面，提供了一种层二标识确定装置，所述层二标识确定装置被配置成用于执行如第一方面所述的层二标识确定方法。
在本申请实施例中，能够在终端的应用层提供了组标识的情况下，确定组播通信的目的层二标识，从而实现组播通信。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图；
图2是本申请实施例的一种层二标识确定方法的流程示意图；
图3是本申请实施例的一种层二标识确定装置的结构框图；
图4是实现本申请实施例的一种终端的结构示意图；
图5是实现本申请实施例的一种终端的硬件结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，尽管这些技术也可应用于NR系统应用以外的应用，如第6代(6th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括网络侧设备11和终端12。其中，终端12也可以称作终端设备或者用 户终端(User Equipment，UE)，终端12可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备(vehicle user equipment，VUE)、行人终端(pedestrian user equipment，PUE)等终端侧设备，可穿戴式设备包括：手环、耳机、眼镜等。需要说明的是，在本申请实施例并不限定终端12的具体类型。网络侧设备11可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、无线局域网(Wireless Local Area Network，WLAN)接入点、无线保真(Wireless Fidelity，WiFi)节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例，但是并不限定基站的具体类型。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的层二标识确定方法、装置及终端进行详细地说明。
图2示出本申请实施例的一种层二标识确定方法的流程示意图。该层二标识确定方法应用于终端，包括：
步骤21：若应用层提供了组播通信的组标识(group ID)，根据以下方式之一确定目的层二标识(Destination layer 2ID)：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
本申请实施例中，所述目的层二标识包含在媒体接入控制(Media Access Control，MAC)子头，长度和格式可以由协议约定，例如，长度可以为24个比特。
步骤22：根据所述目的层二标识进行组播通信数据的接收或发送。
本申请实施例中的组播通信可以为V2X组播通信，也可以为近距离组播 通信等。若组播通信为V2X通信，终端的应用层将组播通信的组标识提供给V2X层，由V2X层根据上述方式确定目的层二标识。
本申请实施例中，若终端为发送组播通信数据的一端，步骤22中，根据所述目的层二标识进行组播通信数据的发送，若终端为接收组播通信数据的一端，步骤22中，根据所述目的层二标识进行组播通信数据的接收。
下面对确定目的层二标识的各个方式进行详细说明。
(1)根据层二标识转化算法确定目的层二标识
层二标识转化算法或者也可以称为层二标识转化机制。所述层二标识转化算法用于将组播通信的组标识转化为组播通信的目的层二标识。将组标识作为层二标识转化算法的输入值，目的层二标识作为层二标识转化算法为输出值。
可选的，根据层二标识转化算法确定目的层二标识包括：将所述组标识输入至层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识。
即，终端只需将应用层提供的组标识输入至一层二标识转换算法，获取该层二标识转换算法的输出值作为目的层二标识。
可选的，在一些实施例中，所述层二标识转换算法为预配置。预配置是指将层二标识转换算法预先存储或配置在终端的存储器内，或者，预先存储或配置在终端的用户识别卡(Subscriber Identity Module，SIM)卡内。
可选的，在一些实施例中，所述层二标识转换算法由网络侧配置。所述网络侧可以是核心网，具体可以为接入和移动管理功能(access and mobility management function，AMF)或策略控制功能(Policy Control Function，PCF)等。
可选的，在一些实施例中，所述层二标识转换算法由应用层提供。进一步可选的，层二标识转换算法可以由应用层在提供组播通信的组标识时同时提供。
下面对层二标识转换算法的逻辑运算规则进行说明。
在本申请的一些实施例中，所述层二标识转换算法的逻辑运算规则与所述组标识的长度和格式相关。即根据组标识的长度和格式确定目的层二标识。
在本申请的一些实施例中，所述层二标识转换算法的逻辑运算规则包括：
若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述输出值。
可选的，所述目的层二标识的长度和格式由协议约定。
可选的，所述指定数量为24。
在本申请的一些实施例中，所述将所述组标识输入至层二标识转换算法包括：将所述组标识和指定数值输入至所述层二标识转换算法。
其中，所述层二标识转换算法的逻辑运算规则包括：
将输入的所述组标识与所述指定数值进行指定运算，运算结果作为所述输出值。
可选的，所述指定运算为异或运算。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
(2)根据业务标识与目的层二标识的映射规则确定目的层二标识
本申请实施例中，将所述组播通信的业务标识所映射的目的层二标识作为所述目的层二标识。
可选的，所述业务标识与目的层二标识的映射规则为预配置或者网络侧配置。
(3)根据预设逻辑运算规则确定目的层二标识
在本申请的一些实施例中，可选的，所述预设逻辑运算规则与所述组标识的长度和格式相关。即根据组标识的长度和格式确定目的层二标识。
在本申请的一些实施例中，可选的，根据预设逻辑运算规则确定目的层二标识包括：
若所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述目的层二标识；
若所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述目的层二标识；
若所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述目的层二标识。
可选的，所述目的层二标识的长度和格式由协议约定。
可选的，所述指定数量为24。
在本申请的另外一些实施例中，可选的，根据预设逻辑运算规则确定目的层二标识包括：将所述组标识与指定数值进行指定运算，运算结果作为所述目的层二标识。
可选的，所述指定运算为异或运算。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
(4)根据应用层提供的目的层二标识确定目的层二标识
本申请实施例中，将应用层提供的目的层二标识作为所述组播通信的目的层二标识。下面结合具体实施例，对本申请的上述层二标识确定方法举例进行说明。
本申请实施例一
终端预配置或者由网络侧为终端配置组播通信的层二标识转化算法，终端根据层二标识转化算法确定目的层二标识。
所述层二标识转化算法用于将组播通信的组标识转化为组播通信的目的层二标识。将组标识作为层二标识转化算法的输入值，目的层二标识作为层二标识转化算法为输出值。
所述层二标识转化算法的逻辑运算规则可以是：
若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于24比特，将所述组标识的前24比特或者后24比特作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度小于24比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于24比特，将补零后的所述组标识作为所述输出值。
所述层二标识转化算法的逻辑运算规则还可以是：
将输入的所述组标识与所述指定数值进行异或运算，运算结果作为所述输出值。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
本申请实施例二
应用层在提供组播通信的组标识的同时，提供组播通信的层二标识转化算法，终端根据层二标识转化算法确定目标层二标识。
所述层二标识转化算法用于将组播通信的组标识转化为组播通信的目的层二标识。将组标识作为层二标识转化算法的输入值，目的层二标识作为层二标识转化算法为输出值。
所述层二标识转化算法的逻辑运算规则可以是：
若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于24比特，将所述组标识的前24比特或者后24比特作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度小于24比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于24比特，将补零后的所述组标识作为所述输出值。
所述层二标识转化算法的逻辑运算规则还可以是：
将输入的所述组标识与所述指定数值进行异或运算，运算结果作为所述输出值。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
本申请实施方式三
即使应用层提供了组播通信的组标识，终端仍然根据配置的V2X业务标 识和目标层二标识的映射规则确定目标层二标识。
本申请实施方式四：
终端根据预设逻辑运算规则确定目标层二标识。
预设逻辑运算规则可以是：
若所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述目的层二标识；
若所述组标识与目的层二标识的格式相同，且所述组标识的长度大于24比特，将所述组标识的前24比特或者后24比特作为所述目的层二标识；
若所述组标识与目的层二标识的格式相同，且所述组标识的长度小于24比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于24比特，将补零后的所述组标识作为所述目的层二标识。
预设逻辑运算规则还可以是：
将所述组标识与指定数值进行异或运算，运算结果作为所述目的层二标识。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
本申请实施例中，能够在终端的应用层提供了组标识的情况下，确定组播通信的目的层二标识，从而实现组播通信。
需要说明的是，本申请实施例提供的层二标识确定方法，执行主体可以为层二标识确定装置，或者，该层二标识确定装置中的用于执行层二标识确定方法的控制模块。本申请实施例中以层二标识确定装置执行层二标识确定方法的方法为例，说明本申请实施例提供的层二标识确定装置。
图3示出本申请实施例的一种层二标识确定装置的结构框图。该层二标识确定装置30包括：
确定模块31，用于若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
传输模块32，用于根据所述目的层二标识进行组播通信数据的接收或发送。
可选的，所述确定模块32包括：
第一确定子模块，用于将所述组标识输入至层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识。
可选的，所述层二标识转换算法为预配置、网络侧配置或由所述应用层提供。
可选的，所述层二标识转换算法的逻辑运算规则与所述组标识的长度和格式相关。
可选的，所述层二标识转换算法的逻辑运算规则包括：
若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述输出值。
可选的，所述确定模块32包括：
所述第一确定子模块，用于将所述组标识和指定数值输入至所述层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识；
其中，所述层二标识转换算法的逻辑运算规则包括：
将输入的所述组标识与所述指定数值进行指定运算，运算结果作为所述输出值。
可选的，所述确定模块32包括：
第二确定子模块，用于将所述组播通信的业务标识所映射的目的层二标识作为所述目的层二标识。
可选的，所述业务标识与目的层二标识的映射规则为预配置或者网络侧配置。
可选的，所述预设逻辑运算规则与所述组标识的长度和格式相关。
可选的，所述确定模块32包括：
第三确定子模块，用于若所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述目的层二标识；若所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述目的层二标识；若所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述目的层二标识。
可选的，所述确定模块32包括：
第四确定子模块，用于将所述组标识与指定数值进行指定运算，运算结果作为所述目的层二标识。
可选的，所述指定运算为异或运算。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
可选的，所述确定模块32包括：
第五确定子模块，用于将应用层提供的目的层二标识作为所述组播通信的目的层二标识。
本申请实施例中，能够在终端的应用层提供了组标识的情况下，确定组播通信的目的层二标识，从而实现组播通信。
本申请实施例中的层二标识确定装置可以是装置，也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端12的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例中的层二标识确定装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统，可以为ios操作系统，还可以为其他可能的操作系统，本申请实施例不作具体限定。
本申请实施例提供的层二标识确定装置能够实现图2的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
如图4所示，本申请实施例还提供一种终端40，包括处理器41，存储器 42，存储在存储器42上并可在所述处理器41上运行的程序或指令，该程序或指令被处理器41执行时实现上述层二标识确定方法实施例的各个过程，且能达到相同的技术效果为避免重复，这里不再赘述。
图5为实现本申请实施例的一种终端的硬件结构示意图。
该终端50包括但不限于：射频单元51、网络模块52、音频输出单元53、输入单元54、传感器55、显示单元56、用户输入单元57、接口单元58、存储器59、以及处理器510等部件。
本领域技术人员可以理解，终端50还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器510逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图5中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元54可以包括图形处理器(Graphics Processing Unit，GPU)541和麦克风542，图形处理器541对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元56可包括显示面板561，可以采用液晶显示器、有机发光二极管等形式来配置显示面板561。用户输入单元57包括触控面板571以及其他输入设备572。触控面板571，也称为触摸屏。触控面板571可包括触摸检测装置和触摸控制器两个部分。其他输入设备572可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元51将来自网络侧设备的下行数据接收后，给处理器510处理；另外，将上行的数据发送给网络侧设备。通常，射频单元51包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器59可用于存储软件程序或指令以及各种数据。存储器59可主要包括存储程序或指令区和存储数据区，其中，存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器59可以包括高速随机存取存储器，还可以包括非 易失性存储器，其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器510可包括一个或多个处理单元；可选的，处理器510可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序或指令等，调制解调处理器主要处理无线通信，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器510中。
其中，处理器510，用于若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
射频单元51，用于根据所述目的层二标识进行组播通信数据的接收或发送。
本申请实施例中，能够在终端的应用层提供了组标识的情况下，确定组播通信的目的层二标识，从而实现组播通信。
可选的，处理器510，还用于将所述组标识输入至层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识。
可选的，所述层二标识转换算法为预配置、网络侧配置或由所述应用层提供。
可选的，所述层二标识转换算法的逻辑运算规则与所述组标识的长度和格式相关。
可选的，所述层二标识转换算法的逻辑运算规则包括：
若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述输出值；
若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度 小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述输出值。
可选的，处理器510，还用于将所述组标识和指定数值输入至所述层二标识转换算法；
其中，所述层二标识转换算法的逻辑运算规则包括：
将输入的所述组标识与所述指定数值进行指定运算，运算结果作为所述输出值。
可选的，处理器510，还用于将所述组播通信的业务标识所映射的目的层二标识作为所述目的层二标识。
可选的，所述业务标识与目的层二标识的映射规则为预配置或者网络侧配置。
可选的，所述预设逻辑运算规则与所述组标识的长度和格式相关。
可选的，处理器510，还用于若所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述目的层二标识；若所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述目的层二标识；若所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述目的层二标识。
可选的，处理器510，还用于将所述组标识与指定数值进行指定运算，运算结果作为所述目的层二标识。
可选的，所述指定运算为异或运算。
可选的，所述指定数值为预配置、网络侧配置或由所述应用层提供。
可选的，处理器510，还用于将应用层提供的目的层二标识作为所述组播通信的目的层二标识。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述层二标识确定方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现上述层二标识确定方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的实施例中，应该理解到，所揭露的装置和方法，可以 通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来控制相关的硬件来完成，所述的程序可存储于计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储器(Read-Only Memory，ROM)或随机存取存储器(Random Access Memory，RAM)等。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，模块、单元、子单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processor，DSP)、数字信号处理设备 (DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (33)

  1. 一种层二标识确定方法，应用于终端，包括：
    若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
    根据所述目的层二标识进行组播通信数据的接收或发送。
  2. 根据权利要求1所述的方法，其中，根据层二标识转化算法确定目的层二标识包括：
    将所述组标识输入至层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识。
  3. 根据权利要求2所述的方法，其中，所述层二标识转换算法为预配置、网络侧配置或由所述应用层提供。
  4. 根据权利要求2所述的方法，其中，所述层二标识转换算法的逻辑运算规则与所述组标识的长度和格式相关。
  5. 根据权利要求4所述的方法，其中，所述层二标识转换算法的逻辑运算规则包括：
    若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
    若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述输出值；
    若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述输出值。
  6. 根据权利要求2所述的方法，其中，所述将所述组标识输入至层二标识转换算法包括：
    将所述组标识和指定数值输入至所述层二标识转换算法；
    其中，所述层二标识转换算法的逻辑运算规则包括：
    将输入的所述组标识与所述指定数值进行指定运算，运算结果作为所述输出值。
  7. 根据权利要求1所述的方法，其中，根据业务标识与目的层二标识的映射规则确定目的层二标识包括：
    将所述组播通信的业务标识所映射的目的层二标识作为所述目的层二标识。
  8. 根据权利要求6所述的方法，其中，所述业务标识与目的层二标识的映射规则为预配置或者网络侧配置。
  9. 根据权利要求1所述的方法，其中，所述预设逻辑运算规则与所述组标识的长度和格式相关。
  10. 根据权利要求9所述的方法，其中，根据预设逻辑运算规则确定目的层二标识包括：
    若所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述目的层二标识；
    若所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述目的层二标识；
    若所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述目的层二标识。
  11. 根据权利要求1所述的方法，其中，根据预设逻辑运算规则确定目的层二标识包括：
    将所述组标识与指定数值进行指定运算，运算结果作为所述目的层二标识。
  12. 根据权利要求6或11所述的方法，其中，所述指定运算为异或运算。
  13. 根据权利要求6或11所述的方法，其中，所述指定数值为预配置、网络侧配置或由所述应用层提供。
  14. 根据权利要求1所述的方法，其中，根据应用层提供目的层二标识确定目的层二标识包括：
    将应用层提供的目的层二标识作为所述组播通信的目的层二标识。
  15. 一种层二标识确定装置，包括：
    确定模块，用于若应用层提供了组播通信的组标识，根据以下方式之一确定目的层二标识：层二标识转化算法，业务标识与目的层二标识的映射规则，预设逻辑运算规则，或者，应用层提供目的层二标识；
    传输模块，用于根据所述目的层二标识进行组播通信数据的接收或发送。
  16. 根据权利要求15所述的装置，其中，所述确定模块包括：
    第一确定子模块，用于将所述组标识输入至层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识。
  17. 根据权利要求16所述的装置，其中，所述层二标识转换算法为预配置、网络侧配置或由所述应用层提供。
  18. 根据权利要求16所述的装置，其中，所述层二标识转换算法的逻辑运算规则与所述组标识的长度和格式相关。
  19. 根据权利要求18所述的装置，其中，所述层二标识转换算法的逻辑运算规则包括：
    若输入的所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述输出值；
    若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述输出值；
    若输入的所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述输出值。
  20. 根据权利要求16所述的装置，其中，所述确定模块包括：
    所述第一确定子模块，用于将所述组标识和指定数值输入至所述层二标识转换算法，获取所述层二标识转换算法的输出值作为所述目的层二标识；
    其中，所述层二标识转换算法的逻辑运算规则包括：
    将输入的所述组标识与所述指定数值进行指定运算，运算结果作为所述输出值。
  21. 根据权利要求15所述的装置，其中，所述确定模块包括：
    第二确定子模块，用于将所述组播通信的业务标识所映射的目的层二标识作为所述目的层二标识。
  22. 根据权利要求21所述的装置，其中，所述业务标识与目的层二标识的映射规则为预配置或者网络侧配置。
  23. 根据权利要求15所述的装置，其中，所述预设逻辑运算规则与所述组标识的长度和格式相关。
  24. 根据权利要求23所述的装置，其中，所述确定模块包括：
    第三确定子模块，用于若所述组标识与目的层二标识的长度和格式均相同，将所述组标识作为所述目的层二标识；若所述组标识与目的层二标识的格式相同，且所述组标识的长度大于指定数量个比特，将所述组标识的前指定数量个比特或者后指定数量个比特作为所述目的层二标识；若所述组标识与目的层二标识的格式相同，且所述组标识的长度小于指定数量个比特，在所述组标识的头部位置或者尾部位置补零至所述组标识的长度等于所述指定数量个比特，将补零后的所述组标识作为所述目的层二标识。
  25. 根据权利要求15所述的装置，其中，所述确定模块包括：
    第四确定子模块，用于将所述组标识与指定数值进行指定运算，运算结果作为所述目的层二标识。
  26. 根据权利要求20或25所述的装置，其中，所述指定运算为异或运算。
  27. 根据权利要求20或25所述的装置，其中，所述指定数值为预配置、网络侧配置或由所述应用层提供。
  28. 根据权利要求15所述的装置，其中，所述确定模块包括：
    第五确定子模块，用于将应用层提供的目的层二标识作为所述组播通信的目的层二标识。
  29. 一种终端，包括处理器，存储器及存储在所述存储器上并可在所述处 理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至14中任一项所述的层二标识确定方法的步骤。
  30. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1至14中任一项所述的层二标识确定方法。
  31. 一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现如权利要求1至14中任一项所述的层二标识确定方法。
  32. 一种计算机软件产品，所述计算机软件产品被存储在非易失的存储介质中，所述软件产品被配置成被至少一个处理器执行以实现如权利要求1至14中任一项所述的层二标识确定方法的步骤。
  33. 一种层二标识确定装置，所述层二标识确定装置被配置成用于执行如权利要求1至14中任一项所述的层二标识确定方法。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114449500A (zh) * 2022-02-14 2022-05-06 深圳市汇顶科技股份有限公司 近场通信的方法、装置和芯片
WO2023202329A1 (zh) * 2022-04-22 2023-10-26 大唐移动通信设备有限公司 信息处理方法、装置、终端及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108605232A (zh) * 2016-06-30 2018-09-28 华为技术有限公司 一种组通信的方法、设备及系统
US20200100048A1 (en) * 2018-09-26 2020-03-26 Qualcomm Incorporated Transmission with indication of geographic area
CN110972103A (zh) * 2018-09-28 2020-04-07 华为技术有限公司 一种通信方法及装置
CN111132073A (zh) * 2018-11-13 2020-05-08 维沃移动通信有限公司 多播通信链路层标识符更新方法、装置及终端设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10863494B2 (en) * 2018-01-22 2020-12-08 Apple Inc. Control signaling for uplink multiple input multiple output, channel state information reference signal configuration and sounding reference signal configuration
US10986622B2 (en) * 2018-05-10 2021-04-20 Apple Inc. User equipment (UE) downlink transmission configuration indication (TCI)-state selection
CN110769377B (zh) * 2018-07-25 2021-10-01 华为技术有限公司 一种通信方法及装置
WO2020091153A1 (ko) * 2018-11-02 2020-05-07 엘지전자 주식회사 무선 통신 시스템에서의 v2x 그룹 id 생성 방법 및 이를 위한 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108605232A (zh) * 2016-06-30 2018-09-28 华为技术有限公司 一种组通信的方法、设备及系统
US20200100048A1 (en) * 2018-09-26 2020-03-26 Qualcomm Incorporated Transmission with indication of geographic area
CN110972103A (zh) * 2018-09-28 2020-04-07 华为技术有限公司 一种通信方法及装置
CN111132073A (zh) * 2018-11-13 2020-05-08 维沃移动通信有限公司 多播通信链路层标识符更新方法、装置及终端设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114449500A (zh) * 2022-02-14 2022-05-06 深圳市汇顶科技股份有限公司 近场通信的方法、装置和芯片
CN114449500B (zh) * 2022-02-14 2023-09-08 深圳市汇顶科技股份有限公司 近场通信的方法、装置和芯片
WO2023202329A1 (zh) * 2022-04-22 2023-10-26 大唐移动通信设备有限公司 信息处理方法、装置、终端及存储介质

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