CN110890942B - Side link information feedback method and terminal - Google Patents
Side link information feedback method and terminal Download PDFInfo
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- CN110890942B CN110890942B CN201811043326.7A CN201811043326A CN110890942B CN 110890942 B CN110890942 B CN 110890942B CN 201811043326 A CN201811043326 A CN 201811043326A CN 110890942 B CN110890942 B CN 110890942B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Abstract
The invention discloses a side link information feedback method and a terminal, wherein the method comprises the following steps: receiving first transmission information related to a side link transmission, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission; and feeding back second transmission information to the second terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back the data sent by the second terminal. The embodiment of the invention can feed back the received data and ensure the reliability of data transmission.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a side link information feedback method and a terminal.
Background
In a mobile communication system, a sidelink (sidelink), or a side link, or the like, is used for direct transmission between terminals without passing through a network device. Wherein the terminal transmits sidelink control information (Sidelink Control Information, SCI) over a physical sidelink control channel (Physical Sidelink Control Channel, PSCCH), schedules transmission of a physical sidelink shared channel (Physical Sidelink Shared Channel, pscsch) to transmit data. The transmission of the sidelink is based on broadcasting, and the receiving terminal does not feedback whether the receiving is successful or not like the sending terminal.
The Sidelink transmission supports two resource allocation modes, one is a scheduling resource allocation (Scheduled resource allocation) mode, in which the network device controls and allocates resources for each terminal; the other is an autonomous resource selection (autonomous resource selection) mode in which the terminal autonomously selects resources.
The network device configures a discovery or transmission resource pool of the sidelink for the terminal, wherein the resource pool contains resource information and related transmission parameters used in the discovery or transmission process of the sidelink, for example: an offset value of a first subframe of a Resource pool, a bitmap (bitmap) corresponding to the Resource pool, whether a PSCCH and a PSSCH will be transmitted in adjacent Resource Blocks (RBs), the number of subchannels, the size of each subchannel, a lowest RB index value corresponding to a PSCCH pool (pool), a side link received signal strength indication (Sidelink Received Signal Strength Indicator, S-RSSI) threshold and a region identification measured by a channel busy ratio (Channel Busy Rate, CBR), and the like.
Current sidelink transmissions include: unicast, multicast (or called multicast) and broadcast, for the data transmitted by the sidelink, the transmitting terminal cannot determine the receiving result of the receiving terminal, so that in order to improve the transmission reliability, the transmitting terminal may send the data to the receiving terminal according to the preset times, but may increase the network load.
Disclosure of Invention
The embodiment of the invention provides a side link information feedback method and a terminal, which are used for solving the problem of data transmission reliability between terminals in direct communication.
In a first aspect, an embodiment of the present invention provides a method for feeding back side link information, which is applied to a first terminal, and includes:
receiving first transmission information related to a side link transmission, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
and feeding back second transmission information to the second terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back the data sent by the second terminal.
In a second aspect, an embodiment of the present invention further provides a terminal, where the terminal is a first terminal, and includes:
a first receiving module, configured to receive first transmission information related to a sidelink transmission, where the first transmission information includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
And the feedback module is used for feeding back second transmission information to the second terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back the data sent by the second terminal.
In a third aspect, an embodiment of the present invention provides a method for feeding back side link information, which is applied to a second terminal, and includes:
transmitting first transmission information related to the side link transmission to the first terminal, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
and receiving second transmission information fed back by the first terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to perform receiving feedback on data sent by the second terminal.
In a fourth aspect, an embodiment of the present invention provides a terminal, where the terminal is a second terminal, including:
the first sending module is configured to send first transmission information related to sidelink transmission to a first terminal, where the first transmission information includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
The second receiving module is used for receiving second transmission information fed back by the first terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back data sent by the second terminal.
In a fifth aspect, an embodiment of the present invention provides a terminal, where the terminal includes a processor, a memory, and a computer program stored in the memory and running on the processor, and the computer program when executed by the processor implements the steps of the sidelink information feedback method described above.
In a sixth aspect, an embodiment of the present invention further provides a computer readable storage medium, where a computer program is stored, where the computer program when executed by a processor implements the steps of the sidelink information feedback method described above.
In this way, the receiving terminal of the embodiment of the invention receives the first transmission information related to the side link transmission, and feeds back the second transmission information to the sending terminal according to the first transmission information to indicate whether to feed back the data sent by the sending terminal, so that the receiving terminal can receive and feed back the data transmitted by the sending terminal, thereby ensuring the reliability of the data transmission in the side link transmission process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart illustrating a method for feeding back side link information at a first terminal according to an embodiment of the present invention;
fig. 2 is a flow chart illustrating a method for feeding back side link information at a second terminal according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a first terminal according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a second terminal according to an embodiment of the present invention;
fig. 5 shows a block diagram of a terminal according to an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. "and/or" in the specification and claims means at least one of the connected objects.
The embodiment of the application provides a side link information feedback method which is applied to a first terminal (receiving terminal), as shown in fig. 1, and comprises the following steps:
step 11: first transmission information associated with a sidelink transmission is received.
The side link transmission in this embodiment includes: unicast (one to one) or multicast. The first transmission information is used to instruct the second terminal how to perform a sidelink transmission with the first terminal. Preferably, the first transmission information includes: at least one of a group identifier of an interest group (or referred to as an interaction service group) to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission.
The interest groups of the first terminal and the second terminal are the same, and the transmitted services between the first terminal and the second terminal can be mutually understood by adopting the same encryption and decryption process, wherein the transmitted services can be distinguished by independent service identifiers.
The first terminal identity is used to represent identity information of the first terminal, and the first terminal identity may be a terminal ID of the first terminal, a radio network temporary identity (Radio Network Temporary Identity, RNTI), etc. The second terminal identifier is used for indicating identity information of the second terminal, and the second terminal identifier may be a terminal ID, an RNTI, etc. of the second terminal.
The first transmission resource information is used to indicate a transmission resource location and size associated with the sidelink transmission. And the second terminal transmits the service and the data to the first terminal through the resources indicated by the first transmission resource information.
The first transmission resource information in the embodiment of the present invention includes, but is not limited to: at least one of resource information selected from a data communication resource pool, hybrid automatic repeat request HARQ process number information, reference signal configuration information for radio link monitoring (Radio Link Monitoring, RLM), reference signal configuration information for beam management, and antenna transmission mode information.
Step 12: and feeding back second transmission information to the second terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back the data sent by the second terminal.
After receiving the first transmission information, the first terminal feeds back the second transmission information to the second terminal so as to inform the second terminal whether to receive and feed back the data sent by the second terminal, thereby realizing feedback of the side link transmission and ensuring the reliability of the side link transmission.
Wherein, before step 11, the method further comprises: a second terminal is determined that establishes a sidelink transmission with the first terminal. This step is to determine whether two terminals are capable of sidelink transmission, preferably by, but not limited to: and determining the terminal which belongs to the same interest group as the first terminal as a second terminal according to at least one item of the following target information. Wherein the target information includes, but is not limited to:
1. Interaction information of the application layer or the control layer. For example, the terminal can interact with the application layer of V2X or the control function (control function) layer of V2X to ensure that two terminals can be in an interest group of V2X higher layers, and the method is similar to that two terminals of discovery mechanism in the sidelink transmission in the LTE system can be in an interest group, so that the service can be mutually understood by adopting the same encryption and decryption process. Such as by a service independent service ID.
2. The air interface transmits information. For example, two terminals send air interface transmission information on the air interface, such as a discovery (discovery) signal/information (message) or data transmission (data communication) like signal/information, find that the two terminals are in the same interest group on the sidelink air interface implementation, and are relatively close on the air interface.
3. Discovery signals/information or data transmission signals/information. For example carried in discovery signals/information or transmission signals/information: group identification of interest group, terminal identification of each terminal (per UE) within the group, etc. Wherein the terminal identity can be used for further sidelink transmission and feedback negotiation by the two terminals. For example, in the two terminals, the group identifier of the first terminal is X, the first terminal identifier is UE identifier 1, the group identifier of the second terminal is X, and the second terminal identifier is UE identifier 2.
4. Indication information of the network device in such a way that the terminal can discover the discovery of the terminal for the sidelink transmission with the aid or indication of the network device. For example, the network device knows that two terminals are very close together, and can directly indicate that the two terminals can make a sidelink transmission.
In the embodiment of the present invention, the second transmission information includes: at least one of a group identification of an interest group to which the first terminal and the second terminal belong, a first terminal identification of the first terminal, a second terminal identification of the second terminal, feedback indication information whether to perform reception feedback, second transmission resource information related to the reception feedback, and identification information related to the reception feedback.
The interest groups of the first terminal and the second terminal are the same, and the transmitted services between the first terminal and the second terminal can be mutually understood by adopting the same encryption and decryption process, wherein the transmitted services can be distinguished by independent service identifiers. The first terminal identifier is used for indicating identity information of the first terminal, and the first terminal identifier may be a terminal ID, an RNTI, etc. of the first terminal. The second terminal identifier is used for indicating identity information of the second terminal, and the second terminal identifier may be a terminal ID, an RNTI, etc. of the second terminal.
The second transmission resource information is used for indicating the position and the size of the transmission resource related to the side link transmission feedback. If the first terminal sends second transmission resource information for indicating resources used for receiving feedback to the second terminal, implicitly indicating that the first terminal can receive feedback on the received data; if the second transmission resource information is not sent, the first terminal is implicitly indicated not to receive feedback on the received data. Wherein the resources indicated by the second transmission resource information are determined from a data communication feedback resource pool. For example, the second terminal may send the first transmission information carrying the group identifier X, UE identifier 1 as the destination address, the UE identifier 2 as the source address, and which resource is selected from the data communication resource pool (data communication pool) is desired to the first terminal, and the second terminal may further carry information such as its desired modulation and coding scheme (Modulation and Coding Scheme, MCS) capability, multiple-input multiple-output (Multiple Input Multiple Output, MIMO) capability, bandwidth, subcarrier Spacing (SCS), and the like. The first terminal, after receiving the first transmission information, uses the second transmission information carrying the group identifier X, UE identifier 1 as the source address, the UE identifier 2 as the target address, and which resource selected from the data communication feedback resource pool (data communication feedback pool) is desired to perform feedback of ACK or feedback of MCS. The feedback information may include, but is not limited to: information such as physical uplink control channel format (Physical Uplink Control Channel-like format), timing (timing) relation, hybrid ARQ (Hybrid Automatic Repeat Request code book, HARQ code book) used for feedback. Therefore, the first terminal and the second terminal perform negotiation for a time, and follow-up communication is convenient.
Wherein the identification information related to receiving feedback refers to: identification information associated with the second transmission resource information. For example, the second terminal sends a first transmission message carrying the group identifier X, UE identifier 2 as the source address, the UE identifier 1 as the destination address, and the resource selected in which data communication pool it wants to communicate to the first terminal, and the first terminal sends a second transmission message carrying the group identifier X, UE identifier 1 as the source address, the UE identifier 2 as the destination address, and the second transmission message indicating that i received this message and i would also assign a UE identifier (e.g., UE identifier 1') for the feedback resource alone. Wherein this UE identity 1' is used to scramble the transmission of feedback information, wherein the resources of the feedback information may be selected one from the data communication feedback pool. The second terminal needs to demodulate the UE identity 1' to determine whether the first terminal has feedback, if the first terminal does not demodulate, the first terminal is considered to have no feedback, and if the UE identity 1' is demodulated, the second terminal determines the first terminal to perform feedback according to the demodulated UE identity 1 '. The resources and specific information of the feedback information of this method are also scheduled, so that it is necessary to negotiate the configuration of these feedback information, such as negotiating the location and identification of the resources for feedback scheduling. And then the terminal monitors the feedback scheduling information to determine whether feedback exists.
The first transmission resource information and the second transmission resource information have a preset corresponding relation. For example, the second terminal sends the first transmission information carrying the group identifier X, UE identifier 2 as the source address, the UE identifier 1 as the destination address, and in which data communication pool the selected resource is desired to communicate to the first terminal. The first terminal uses the first transmission information carrying the group identifier X, UE identifier 1 as a source address and the UE identifier 2 as a target address, and indicates the second transmission information which receives the information and can be fed back. The specific feedback resource may have a default mapping relationship with the selected resource in data communication pool, that is, the second transmission resource information is determined according to the first transmission resource information.
The side link information feedback method of the first terminal is introduced above, and the side link information feedback method of the second terminal will be further described below with reference to the accompanying drawings.
As shown in fig. 2, an embodiment of the present invention provides a sidelink information feedback method applied to a second terminal side, the method including the following steps:
step 21: first transmission information relating to the sidelink transmission is transmitted to the first terminal.
The side link transmission in this embodiment includes: unicast or multicast. The first transmission information is used to instruct the second terminal how to perform a sidelink transmission with the first terminal, for example, the first transmission information includes: at least one of a group identification of an interest group to which the first terminal and the second terminal belong, a first terminal identification of the first terminal, a second terminal identification of the second terminal, and first transmission resource information related to the sidelink transmission.
The first transmission resource information in the embodiment of the present invention includes, but is not limited to: at least one of resource information selected from a data communication resource pool, hybrid automatic repeat request HARQ process number information, reference signal configuration information of RLM, reference signal configuration information of beam management, and antenna transmission mode information.
Step 22: and receiving second transmission information fed back by the first terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to perform receiving feedback on data sent by the second terminal.
The second terminal determines whether the first terminal receives feedback on the data sent by the second terminal according to the second transmission information, so that feedback of the side link transmission is realized, and the reliability of the side link transmission is ensured.
Wherein, step 21 further comprises: a first terminal is determined that establishes a sidelink transmission with a second terminal. Wherein, this step includes: determining a terminal belonging to the same interest group as the second terminal as a first terminal according to at least one item of the following target information; wherein the target information includes, but is not limited to:
interaction information of an application layer or a control layer; for example, the terminal can interact with the application layer of V2X or the control function layer of V2X to ensure that two terminals can be in an interest group of V2X higher layer, and the method is similar to that two terminals of a discovery mechanism in the sidelink transmission in the LTE system can be in an interest group, so that the service can be mutually understood by adopting the same encryption and decryption process. Such as by a service independent service ID.
Air interface transmission information; for example, two terminals send air interface transmission information on the air interface, such as similar to discovery signals/information or data transmission signals/information, discovery that two terminals are in the same interest group is implemented on the sidelink air interface, and the distance is relatively close on the air interface.
Discovery signals/information or data transmission signals/information; for example carried in discovery signals/information or transmission signals/information: group identification of interest groups, terminal identification of each terminal within a group, etc. Wherein the terminal identity can be used for further sidelink transmission and feedback negotiation by the two terminals. For example, in the two terminals, the group identifier of the first terminal is X, the first terminal identifier is UE identifier 1, the group identifier of the second terminal is X, and the second terminal identifier is UE identifier 2.
Indication information of the network device. The manner is that the terminal may discover the discovery of the terminal for sidelink transmission with the assistance or direction of the network device. For example, the network device knows that two terminals are very close together, and can directly indicate that the two terminals can make a sidelink transmission.
Wherein the second transmission information includes: at least one of a group identification of an interest group to which the first terminal and the second terminal belong, a first terminal identification of the first terminal, a second terminal identification of the second terminal, feedback indication information whether to perform reception feedback, second transmission resource information related to the reception feedback, and identification information related to the reception feedback.
The interest groups of the first terminal and the second terminal are the same, and the service transmitted between the first terminal and the second terminal can be mutually understood by adopting the same encryption and decryption process. The first terminal identifier is used for representing the identity information of the first terminal, and the second terminal identifier is used for representing the identity information of the second terminal.
The second transmission resource information is used for indicating the position and the size of the transmission resource related to the side link transmission feedback, and the resource indicated by the second transmission resource information is determined from the data communication feedback resource pool.
Wherein the identification information related to receiving feedback refers to: identification information associated with the second transmission resource information. The second terminal needs to demodulate the identification information to judge whether the first terminal has feedback or not, if the first terminal does not demodulate, the first terminal is considered to have no feedback, and if the identification information is demodulated, the second terminal determines the first terminal to feed back according to the demodulated identification information.
The first transmission resource information and the second transmission resource information have a preset corresponding relation, and the second transmission resource information for feedback is determined according to the first transmission resource information.
In the side link information feedback method of the embodiment of the invention, the receiving terminal receives the first transmission information related to the side link transmission, and feeds back the second transmission information to the sending terminal according to the first transmission information to indicate whether to feed back the data sent by the sending terminal, so that the receiving terminal can receive and feed back the data transmitted by the sending terminal, thereby ensuring the reliability of the data transmission in the side link transmission process.
The above embodiments describe the side link information feedback methods in different scenarios, and the following will further describe the corresponding terminals with reference to the accompanying drawings.
The terminal provided by the embodiment of the invention can realize details of the side link information feedback method in the embodiment and achieve the same effect.
When the terminal is a first terminal, as shown in fig. 3, the terminal 300 includes the following functional modules:
the first receiving module 310 is configured to receive first transmission information related to a sidelink transmission, where the first transmission information includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
and a feedback module 320, configured to feed back second transmission information to the second terminal according to the first transmission information, where the second transmission information is used to indicate whether to perform receiving feedback on data sent by the second terminal.
Wherein, terminal 300 further includes:
and the first determining module is used for determining a second terminal which establishes a side link transmission with the first terminal.
Wherein the first determining module comprises:
a first determining sub-module, configured to determine, as a second terminal, a terminal belonging to the same interest group as the first terminal according to at least one of the following target information;
Wherein the target information includes:
interaction information of an application layer or a control layer;
air interface transmission information;
discovery signals/information or data transmission signals/information;
indication information of the network device.
Wherein the second transmission information includes: at least one of a group identification of an interest group to which the first terminal and the second terminal belong, a first terminal identification of the first terminal, a second terminal identification of the second terminal, feedback indication information whether to perform reception feedback, second transmission resource information related to the reception feedback, and identification information related to the reception feedback.
Wherein the resources indicated by the second transmission resource information are determined from a data communication feedback resource pool.
Wherein the identification information related to receiving feedback refers to: identification information associated with the second transmission resource information.
The first transmission resource information and the second transmission resource information have a preset corresponding relation.
Wherein the first transmission resource information includes: at least one of resource information determined from a data communication resource pool, hybrid automatic repeat request HARQ process number information, reference signal configuration information of a radio link monitoring RLM, reference signal configuration information of beam management, and antenna transmission mode information.
Wherein the sidelink transmission comprises: unicast or multicast.
When the terminal is a second terminal, as shown in fig. 4, the terminal 400 includes the following functional modules:
a first sending module 410, configured to send, to a first terminal, first transmission information related to a sidelink transmission, where the first transmission information includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
the second receiving module 420 is configured to receive second transmission information fed back by the first terminal according to the first transmission information, where the second transmission information is used to indicate whether to perform receiving feedback on data sent by the second terminal.
Wherein, the terminal 400 further comprises:
and the second determining module is used for determining the first terminal which establishes the side link transmission with the second terminal.
Wherein the second determining module includes:
a second determining sub-module, configured to determine, as the first terminal, a terminal belonging to the same interest group as the second terminal according to at least one of the following target information;
wherein the target information includes:
interaction information of an application layer or a control layer;
Air interface transmission information;
discovery signals/information or data transmission signals/information;
indication information of the network device.
Wherein the second transmission information includes: at least one of a group identification of an interest group to which the first terminal and the second terminal belong, a first terminal identification of the first terminal, a second terminal identification of the second terminal, feedback indication information whether to perform reception feedback, second transmission resource information related to the reception feedback, and identification information related to the reception feedback.
Wherein the resources indicated by the second transmission resource information are determined from a data communication feedback resource pool.
Wherein the identification information related to receiving feedback refers to: identification information associated with the second transmission resource information.
The first transmission resource information and the second transmission resource information have a preset corresponding relation.
Wherein the first transmission resource information includes: at least one of resource information determined from a data communication resource pool, hybrid automatic repeat request HARQ process number information, reference signal configuration information of a radio link monitoring RLM, reference signal configuration information of beam management, and antenna transmission mode information.
Wherein the sidelink transmission comprises: unicast or multicast.
It is worth to be noted that, in the embodiment of the present invention, the transmitting end terminal sends the first transmission information related to the side link transmission to the receiving end terminal, and the receiving end terminal feeds back the second transmission information to the transmitting end terminal according to the first transmission information, so as to indicate whether to feed back the data sent by the transmitting end terminal, so that the receiving end terminal can receive and feed back the data transmitted by the transmitting end terminal, thereby ensuring the reliability of the data transmission in the side link transmission process.
It should be noted that, it should be understood that the division of the modules of the above terminal is merely a division of a logic function, and may be fully or partially integrated into a physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. For example, the determining module may be a processing element that is set up separately, may be implemented in a chip of the above apparatus, or may be stored in a memory of the above apparatus in the form of program code, and may be called by a processing element of the above apparatus and execute the functions of the determining module. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in a software form.
For example, the modules above may be one or more integrated circuits configured to implement the methods above, such as: one or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or one or more microprocessors (digital signal processor, DSP), or one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), or the like. For another example, when a module above is implemented in the form of a processing element scheduler code, the processing element may be a general purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processor that may invoke the program code. For another example, the modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
To better achieve the above objects, further, fig. 5 is a schematic hardware structure of a terminal for implementing various embodiments of the present invention, where the terminal 50 includes, but is not limited to: radio frequency unit 51, network module 52, audio output unit 53, input unit 54, sensor 55, display unit 56, user input unit 57, interface unit 58, memory 59, processor 510, and power source 511. It will be appreciated by those skilled in the art that the terminal structure shown in fig. 5 is not limiting of the terminal and that the terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. In the embodiment of the invention, the terminal comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer and the like.
Wherein the radio frequency unit 51 is configured to receive and transmit data under the control of the processor 510,
when the terminal is a receiving terminal, i.e. a first terminal, the radio frequency unit 51 is configured to: receiving first transmission information related to a side link transmission, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
and feeding back second transmission information to the second terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back the data sent by the second terminal.
When the terminal is a transmitting terminal, i.e. a second terminal, the radio frequency unit 51 is configured to: transmitting first transmission information related to the side link transmission to the first terminal, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
and receiving second transmission information fed back by the first terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to perform receiving feedback on data sent by the second terminal.
The sending terminal sends the first transmission information related to the side link transmission to the receiving terminal, and the receiving terminal feeds back the second transmission information to the sending terminal according to the first transmission information to indicate whether to feed back the data sent by the sending terminal, so that the receiving terminal can receive and feed back the data transmitted by the sending terminal, and the reliability of the data transmission in the side link transmission process is ensured.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 51 may be used for receiving and transmitting signals during the process of receiving and transmitting information or communication, specifically, receiving downlink data from a base station, and then processing the downlink data by the processor 510; and, the uplink data is transmitted to the base station. Typically, 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. In addition, the radio frequency unit 51 may also communicate with networks and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user via the network module 52, such as helping the user to send and receive e-mail, browse web pages, access streaming media, etc.
The audio output unit 53 may convert audio data received by the radio frequency unit 51 or the network module 52 or stored in the memory 59 into an audio signal and output as sound. Also, the audio output unit 53 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the terminal 50. The audio output unit 53 includes a speaker, a buzzer, a receiver, and the like.
The input unit 54 is for receiving an audio or video signal. The input unit 54 may include a graphics processor (Graphics Processing Unit, GPU) 541 and a microphone 542, the graphics processor 541 processing image data of still pictures or video obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 56. The image frames processed by the graphics processor 541 may be stored in the memory 59 (or other storage medium) or transmitted via the radio frequency unit 51 or the network module 52. The microphone 542 may receive sound and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 51 in the case of a telephone call mode.
The terminal 50 also includes at least one sensor 55, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 561 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 561 and/or the backlight when the terminal 50 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when the accelerometer sensor is stationary, and can be used for recognizing the terminal gesture (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; the sensor 55 may further include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which will not be described herein.
The display unit 56 is used to display information input by a user or information provided to the user. 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 (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 57 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 57 includes a touch panel 571 and other input devices 572. The touch panel 571, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (such as operations of the user on the touch panel 571 or thereabout using any suitable object or accessory such as a finger, stylus, etc.). The touch panel 571 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 510, and receives and executes commands sent by the processor 510. Further, the touch panel 571 may be implemented in various types of resistive, capacitive, infrared, surface acoustic wave, and the like. The user input unit 57 may include other input devices 572 in addition to the touch panel 571. In particular, other input devices 572 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not further described herein.
Further, the touch panel 571 may be overlaid on the display panel 561, and when the touch panel 571 detects a touch operation thereon or thereabout, the touch panel 571 is transmitted to the processor 510 to determine a type of a touch event, and then the processor 510 provides a corresponding visual output on the display panel 561 according to the type of the touch event. Although the touch panel 571 and the display panel 561 are two independent components to implement the input and output functions of the terminal in fig. 5, in some embodiments, the touch panel 571 and the display panel 561 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 58 is an interface to which an external device is connected to the terminal 50. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 58 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 50 or may be used to transmit data between the terminal 50 and an external device.
The memory 59 may be used to store software programs as well as various data. The memory 59 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 59 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The processor 510 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and/or modules stored in the memory 59, and calling data stored in the memory 59, thereby performing overall monitoring of the terminal. Processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 510.
The terminal 50 may also include a power source 511 (e.g., a battery) for powering the various components, and preferably the power source 511 may be logically connected to the processor 510 via a power management system that performs functions such as managing charging, discharging, and power consumption.
In addition, the terminal 50 includes some functional modules, which are not shown, and will not be described herein.
Preferably, the embodiment of the present invention further provides a terminal, which includes a processor 510, a memory 59, and a computer program stored in the memory 59 and capable of running on the processor 510, where the computer program when executed by the processor 510 implements each process of the above-mentioned embodiment of the sidelink information feedback method, and can achieve the same technical effects, and for avoiding repetition, a detailed description is omitted herein. The terminal may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or other service data connectivity to a user, a handheld device with wireless connection functionality, or other processing device connected to a wireless modem. The wireless terminals may communicate with one or more core networks via a radio access network (Radio Access Network, RAN), which may be mobile terminals such as mobile phones (or "cellular" phones) and computers with mobile terminals, e.g., portable, pocket, hand-held, computer-built-in or vehicle-mounted mobile devices that exchange voice and/or data with the radio access network. Such as personal communication services (Personal Communication Service, PCS) phones, cordless phones, session initiation protocol (Session Initiation Protocol, SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital assistants (Personal Digital Assistant, PDAs), and the like. A wireless Terminal may also be referred to as a system, subscriber Unit (Subscriber Unit), subscriber Station (Subscriber Station), mobile Station (Mobile Station), mobile Station (Mobile), remote Station (Remote Station), remote Terminal (Remote Terminal), access Terminal (Access Terminal), user Terminal (User Terminal), user Agent (User Agent), user equipment (User Device or User Equipment), without limitation.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the above-mentioned embodiments of the sidelink information feedback method, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
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 invention.
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 embodiments provided in the present application, it should be understood that the disclosed apparatus and method 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 invention 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 invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.
Furthermore, it should be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. Also, the steps of performing the series of processes described above may naturally be performed in chronological order in the order of description, but are not necessarily performed in chronological order, and some steps may be performed in parallel or independently of each other. It will be appreciated by those of ordinary skill in the art that all or any of the steps or components of the methods and apparatus of the present invention may be implemented in hardware, firmware, software, or a combination thereof in any computing device (including processors, storage media, etc.) or network of computing devices, as would be apparent to one of ordinary skill in the art after reading this description of the invention.
The object of the invention can thus also be achieved by running a program or a set of programs on any computing device. The computing device may be a well-known general purpose device. The object of the invention can thus also be achieved by merely providing a program product containing program code for implementing said method or apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is apparent that the storage medium may be any known storage medium or any storage medium developed in the future. It should also be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. The steps of executing the series of processes may naturally be executed in chronological order in the order described, but are not necessarily executed in chronological order. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and changes can be made without departing from the principles of the present invention, and such modifications and changes are intended to be within the scope of the present invention.
Claims (24)
1. The side link information feedback method is applied to a first terminal and is characterized by comprising the following steps:
receiving first transmission information related to side link transmission sent by a second terminal, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
according to the first transmission information, feeding back second transmission information to the second terminal, wherein the second transmission information is used for indicating whether to receive and feed back data sent by the second terminal;
the first transmission resource information includes: at least one of resource information, hybrid automatic repeat request (HARQ) process number information, reference signal configuration information of a Radio Link Monitoring (RLM), reference signal configuration information of beam management, and antenna transmission mode information determined from a data communication resource pool;
the second transmission information includes: second transmission resource information related to the reception feedback, wherein the second transmission resource information is used for indicating a transmission resource position and a transmission resource size related to a side link transmission feedback;
The second transmission information further includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, feedback indication information whether to perform receiving feedback, and identification information related to the receiving feedback.
2. The sidelink information feedback method of claim 1, wherein prior to the step of receiving the first transmission information related to the sidelink transmission, further comprising:
a second terminal is determined that establishes the sidelink transmission with the first terminal.
3. The sidelink information feedback method of claim 2, wherein the step of determining a second terminal with which the first terminal establishes the sidelink transmission comprises:
determining a terminal belonging to the same interest group as the first terminal as a second terminal according to at least one item of the following target information;
wherein the target information includes:
interaction information of an application layer or a control layer;
air interface transmission information;
discovery signals/information or data transmission signals/information;
indication information of the network device.
4. The sidelink information feedback method of claim 1, wherein the resources indicated by the second transmission resource information are determined from a data communication feedback resource pool.
5. The sidelink information feedback method of claim 1, wherein the identification information related to the received feedback is: identification information associated with the second transmission resource information.
6. The sidelink information feedback method of claim 1, wherein the first transmission resource information and the second transmission resource information have a predetermined correspondence therebetween.
7. The sidelink information feedback method of claim 1, wherein said sidelink transmission comprises: unicast or multicast.
8. A terminal, the terminal being a first terminal, comprising:
the first receiving module is configured to receive first transmission information related to a sidelink transmission sent by the second terminal, where the first transmission information includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
the feedback module is used for feeding back second transmission information to the second terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive feedback on data sent by the second terminal;
The first transmission resource information includes: at least one of resource information, hybrid automatic repeat request (HARQ) process number information, reference signal configuration information of a Radio Link Monitoring (RLM), reference signal configuration information of beam management, and antenna transmission mode information determined from a data communication resource pool;
the second transmission information includes: second transmission resource information related to the reception feedback, wherein the second transmission resource information is used for indicating a transmission resource position and a transmission resource size related to a side link transmission feedback;
the second transmission information further includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, feedback indication information whether to perform receiving feedback, and identification information related to the receiving feedback.
9. The terminal of claim 8, wherein the terminal further comprises:
and the first determining module is used for determining a second terminal which establishes the side link transmission with the first terminal.
10. The terminal of claim 9, wherein the first determining module comprises:
A first determining submodule, configured to determine a terminal belonging to the same interest group as the first terminal as a second terminal according to at least one of the following target information;
wherein the target information includes:
interaction information of an application layer or a control layer;
air interface transmission information;
discovery signals/information or data transmission signals/information;
indication information of the network device.
11. The terminal of claim 8, wherein the sidelink transmission comprises: unicast or multicast.
12. The side link information feedback method is applied to the second terminal and is characterized by comprising the following steps:
transmitting first transmission information related to the side link transmission to a first terminal, wherein the first transmission information comprises: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
receiving second transmission information fed back by the first terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to perform receiving feedback on data sent by the second terminal;
The first transmission resource information includes: at least one of resource information, hybrid automatic repeat request (HARQ) process number information, reference signal configuration information of a Radio Link Monitoring (RLM), reference signal configuration information of beam management, and antenna transmission mode information determined from a data communication resource pool;
the second transmission information includes: second transmission resource information related to the reception feedback, wherein the second transmission resource information is used for indicating a transmission resource position and a transmission resource size related to a side link transmission feedback;
the second transmission information further includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, feedback indication information whether to perform receiving feedback, and identification information related to the receiving feedback.
13. The sidelink information feedback method of claim 12, wherein before the step of sending the first transmission information related to the sidelink transmission to the first terminal, further comprising:
and determining a first terminal for establishing the side link transmission with the second terminal.
14. The sidelink information feedback method of claim 13, wherein the step of determining a first terminal with which the second terminal establishes the sidelink transmission comprises:
determining a terminal belonging to the same interest group as the second terminal as a first terminal according to at least one item of the following target information;
wherein the target information includes:
interaction information of an application layer or a control layer;
air interface transmission information;
discovery signals/information or data transmission signals/information;
indication information of the network device.
15. The sidelink information feedback method of claim 12, wherein the resources indicated by the second transmission resource information are determined from a data communication feedback resource pool.
16. The sidelink information feedback method of claim 12, wherein the identification information related to the received feedback is: identification information associated with the second transmission resource information.
17. The sidelink information feedback method of claim 12, wherein the first transmission resource information and the second transmission resource information have a predetermined correspondence therebetween.
18. The sidelink information feedback method of claim 12, wherein said sidelink transmission comprises: unicast or multicast.
19. A terminal, the terminal being a second terminal, comprising:
the first sending module is configured to send first transmission information related to sidelink transmission to a first terminal, where the first transmission information includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, and first transmission resource information related to the sidelink transmission;
the second receiving module is used for receiving second transmission information fed back by the first terminal according to the first transmission information, wherein the second transmission information is used for indicating whether to receive and feed back data sent by the second terminal;
the first transmission resource information includes: at least one of resource information, hybrid automatic repeat request (HARQ) process number information, reference signal configuration information of a Radio Link Monitoring (RLM), reference signal configuration information of beam management, and antenna transmission mode information determined from a data communication resource pool;
the second transmission information includes: second transmission resource information related to the reception feedback, wherein the second transmission resource information is used for indicating a transmission resource position and a transmission resource size related to a side link transmission feedback;
The second transmission information further includes: at least one of a group identifier of an interest group to which the first terminal and the second terminal belong, a first terminal identifier of the first terminal, a second terminal identifier of the second terminal, feedback indication information whether to perform receiving feedback, and identification information related to the receiving feedback.
20. The terminal of claim 19, wherein the terminal further comprises:
and the second determining module is used for determining a first terminal which establishes the side link transmission with the second terminal.
21. The terminal of claim 20, wherein the second determining module comprises:
a second determining submodule, configured to determine, as a first terminal, a terminal belonging to the same interest group as the second terminal according to at least one of the following target information;
wherein the target information includes:
interaction information of an application layer or a control layer;
air interface transmission information;
discovery signals/information or data transmission signals/information;
indication information of the network device.
22. The terminal of claim 19, wherein the sidelink transmission comprises: unicast or multicast.
23. A terminal comprising a processor, a memory and a computer program stored on the memory and running on the processor, which when executed by the processor performs the steps of the sidelink information feedback method of any of claims 1 to 7, 12 to 18.
24. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the sidelink information feedback method of any of claims 1 to 7, 12 to 18.
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| PCT/CN2019/104699 WO2020048526A1 (en) | 2018-09-07 | 2019-09-06 | Sidelink information feedback method and terminal |
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| CN201811043326.7A CN110890942B (en) | 2018-09-07 | 2018-09-07 | Side link information feedback method and terminal |
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| CN113660700A (en) * | 2020-05-12 | 2021-11-16 | 维沃移动通信有限公司 | Information sending method, resource processing method, device and electronic equipment |
| CN113890696A (en) * | 2020-07-02 | 2022-01-04 | 维沃移动通信有限公司 | Method and device for determining side link auxiliary information and electronic equipment |
| CN114286288B (en) * | 2020-09-28 | 2023-12-05 | 维沃移动通信有限公司 | Information transmission method, resource selection method, device and electronic equipment |
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