CN113543081B - Information transmission method and terminal - Google Patents

Information transmission method and terminal Download PDF

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Publication number
CN113543081B
CN113543081B CN202010314215.6A CN202010314215A CN113543081B CN 113543081 B CN113543081 B CN 113543081B CN 202010314215 A CN202010314215 A CN 202010314215A CN 113543081 B CN113543081 B CN 113543081B
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Prior art keywords
information
terminal
tdd pattern
tdd
pattern
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CN113543081A (en
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金巴·迪·阿达姆·布巴卡
刘思綦
杨晓东
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN202010314215.6A priority Critical patent/CN113543081B/en
Priority to PCT/CN2021/086853 priority patent/WO2021213212A1/en
Publication of CN113543081A publication Critical patent/CN113543081A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Abstract

The invention provides an information transmission method and a terminal, wherein the information transmission method is applied to the terminal, the terminal is a first terminal, and the information transmission method comprises the following steps: and sending the complete information or the incremental information of the sub-link time division multiplexing mode SL TDD pattern to the second terminal. The technical scheme provided by the invention solves the problem that the existing terminal can compress SL TDD pattern information in SL MIB when transmitting signals, so that partial SL resources can not be used.

Description

Information transmission method and terminal
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information transmission method and a terminal.
Background
Some communication systems (e.g., 5G NR systems) support Sidelink (SL) transmissions. However, in these communication systems, the sidelink time division multiplexing mode (Sidelink Time Division Duplex pattern, SL TDD pattern) configuration in the 5G NR system information exceeds the sidelink master information block (Sidelink Master Information Block, SL MIB) capacity, so that the terminal compresses the SL TDD pattern information in the SL MIB when transmitting signals, resulting in that part of the SL resources cannot be used.
Disclosure of Invention
The embodiment of the invention provides an information transmission method and a terminal, which are used for solving the problem that partial SL resources cannot be used because the existing terminal compresses SL TDD pattern information in SL MIB when transmitting signals.
In order to solve the technical problems, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides an information transmission method, applied to a first terminal, where the method includes:
and sending the complete information or the incremental information of the sub-link time division multiplexing mode SL TDD pattern to the second terminal.
In a second aspect, an embodiment of the present invention further provides an information transmission method, applied to a second terminal, where the method includes:
and receiving the complete information or the incremental information of the SL TDD pattern of the sidelink time division multiplexing mode sent by the first terminal.
In a third aspect, an embodiment of the present invention further provides a terminal, where the terminal is a first terminal, and the terminal includes:
and the sending module is used for sending the complete information or the incremental information of the sidelink time division multiplexing mode SL TDD pattern to the second terminal.
In a fourth aspect, an embodiment of the present invention further provides a terminal, where the terminal is a second terminal, and the terminal includes:
And the receiving module is used for receiving the complete information or the incremental information of the sub-link time division multiplexing mode SL TDD pattern sent by the first terminal.
In a fifth aspect, an embodiment of the present invention further provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the information transmission method as described in the first aspect when executed by the processor; alternatively, the computer program, when executed by the processor, implements the steps of the information transmission method as described in the second aspect.
In a sixth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when being executed by a processor, implements the steps of the information transmission method as described in the first aspect; alternatively, the computer program, when executed by the processor, implements the steps of the information transmission method as described in the second aspect.
In the embodiment of the present invention, the first terminal can send the complete information of the SL TDD pattern to the second terminal, or even if the SL TDD pattern configuration capacity is large, can supplement or replace the SL TDD pattern information sent to the second terminal by sending the incremental information of the SL TDD pattern to the second terminal. Therefore, the first terminal can send all SL TDD pattern information to the second terminal, the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern is avoided, the second terminal can obtain all SL TDD pattern information, the use of all SL resources is ensured, and the utilization rate of the SL resources in the terminal is improved.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a flowchart of an information transmission method according to an embodiment of the present invention;
fig. 2 is a flowchart of another information transmission method according to an embodiment of the present invention;
fig. 3 is a block diagram of a terminal according to an embodiment of the present invention;
fig. 4 is a block diagram of another terminal according to an embodiment of the present invention;
fig. 5 is a block diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, the long term evolution (Long Term Evolution, LTE) system is already capable of supporting Sidelink (SL) for supporting data transmission between terminals directly without a network device. The design of the LTE Sidelink is suitable for specific public safety matters (such as emergency communication in disaster places like fire places or earthquakes), or Internet of vehicles (Vehicle To Everything, V2X) communication and the like. The internet of vehicles communication includes various services such as basic security type communication, automatic driving, formation, sensor expansion, and the like. Since LTE sip supports only broadcast communications, it is mainly used for basic security class communications, and other advanced V2X services with strict QoS requirements in terms of latency, reliability, etc. will be supported by New Radio (NR) sip.
The embodiment of the invention provides an information transmission method which is applied to an NR communication system. It should be noted that, the information transmission method provided by the embodiment of the present invention is applied to a first terminal, where the first terminal does not refer to a certain terminal or a certain class of terminals, and the terminal may be a scheme for implementing the embodiment of the present invention as the first terminal in some scenarios, or may be a scheme for implementing the embodiment of the present invention as the second terminal in other scenarios, which is not limited.
Referring to fig. 1, fig. 1 is a flowchart of an information transmission method according to an embodiment of the present invention, as shown in fig. 1, the information transmission method includes the following steps:
and step 101, transmitting the complete information or the increment information of the SL TDD pattern to the second terminal.
Note that, the complete information of the sidelink time division multiplexing mode (Sidelink Time Division Duplex pattern, SL TDD pattern) may refer to all information of the SL TDD pattern; the incremental information of the SL TDD pattern may refer to not all information of the SL TDD pattern, for example, the incremental information of the SL TDD pattern is part of information of the SL TDD pattern, or information complementary to the SL TDD pattern, or information obtained by replacing part of information in the complete information of the SL TDD pattern, or the like.
In the embodiment of the invention, the first terminal can send the complete information or the incremental information of the SL TDD pattern to the second terminal.
Optionally, the first terminal may send the complete information of the SL TDD pattern to the second terminal after receiving the complete information of the SL TDD pattern sent by the network device; or, the first terminal may generate complete information of the SL TDD pattern based on a preset algorithm after receiving the SL request information sent by the second terminal, and send the complete information of the SL TDD pattern to the second terminal; alternatively, after receiving the SL request information sent by the second terminal, the first terminal may send incremental information to the second terminal according to the SL TDD pattern information in the secondary link master information block (Sidelink Master Information Block, SL MIB) sent by the first terminal; etc.
According to the technical scheme provided by the embodiment of the invention, the first terminal can send the complete information of the SL TDD pattern to the second terminal, or even if the configuration capacity of the SL TDD pattern is larger, the incremental information of the SL TDD pattern can be sent to the second terminal so as to supplement or replace the SL TDD pattern information sent to the second terminal. Therefore, the first terminal can send all SL TDD pattern information to the second terminal, the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern is avoided, the second terminal can obtain all SL TDD pattern information, the use of all SL resources is ensured, and the utilization rate of the SL resources in the terminal is improved.
Alternatively, the first terminal may send the complete information or incremental information of the SL TDD pattern to the second terminal through a specific interface or signaling. In this embodiment, the step 101 may include:
and sending the complete information or the incremental information of the SL TDD pattern to the second terminal through PC5 radio resource control (Radio Resource Control, RRC) signaling.
The PC5 interface is a terminal-to-terminal direct communication interface introduced in a Device-to-Device (D2D) project of 3GPP Rel-12. The adjacent terminals can transmit data in a short-distance range through a direct link, and do not need to transmit through network equipment or transmit information between the terminals through a traditional cellular link.
In this embodiment, the first terminal sends the complete information or the incremental information of the SL TDD pattern to the second terminal through the PC5 RRC signaling, so that the direct communication interface between the terminals is effectively utilized to perform data transmission, and it is ensured that the complete information or the incremental information of the SL TDD pattern can be sent to the second terminal, and it is ensured that the SL resource can be effectively used.
Of course, the first terminal may also send the complete information or the incremental information of the SL TDD pattern to the second terminal through other interfaces or signaling, which is not limited in this embodiment.
Optionally, before the first terminal sends the complete information or the incremental information of the SL TDD pattern to the second terminal, that is, before the step 101, at least one of the following may be further included:
acquiring complete information or incremental information of the SL TDD pattern sent by network equipment;
receiving SL request information sent by the second terminal;
and generating the complete information or the increment information of the SL TDD pattern.
That is, the first terminal may send the complete information or the incremental information of the SL TDD pattern to the second terminal when in at least one of the above three cases, which will be described in detail below:
In one embodiment, when the first terminal receives the complete information or the incremental information of the SL TDD pattern sent by the network device, the first terminal sends the complete information or the incremental information of the SL TDD pattern to the second terminal, for example, may be sent through PC5 RRC signaling. The first terminal may send the received complete information or incremental information of the SL TDD pattern to the second terminal; or, the first terminal may send the incremental information of the SL TDD pattern to the second terminal when the received complete information of the SL TDD pattern; or the first terminal sends the complete information of the SL TDD pattern to the second terminal when receiving the increment information of the SL TDD pattern.
In another embodiment, when the first terminal receives the SL information request sent by the second terminal, the complete information or the incremental information of the SL TDD pattern is sent to the second terminal. For example, the second terminal actively requests SL resources or other SL information to the first terminal, and transmits SL request information to the first terminal, and the first terminal transmits complete information of the SL TDD pattern to the second terminal in response to the SL request information; or the first terminal sends the increment information of the SL TDD pattern to the second terminal according to the SL TDD pattern information in the SL MIB sent by the first terminal.
In yet another embodiment, the first terminal generates complete information or delta information of the SL TDD pattern and transmits the complete information or delta information of the SL TDD pattern to the second terminal. In this embodiment, the first terminal may generate the complete information or the incremental information of the SL TDD pattern based on the preset algorithm and send the complete information or the incremental information of the SL TDD pattern to the second terminal when the SL request information sent by the second terminal is not received, or the complete information or the incremental information of the SL TDD pattern sent by the network device is not received.
In still another embodiment, the first terminal may generate complete information of the SL TDD pattern and transmit the complete information of the SL TDD pattern to the second terminal in case of receiving the SL request information transmitted by the second terminal. Alternatively, the first terminal may generate the incremental information of the SL TDD pattern when receiving the SL request information transmitted by the second terminal, and transmit the incremental information of the SL TDD pattern to the second terminal.
In still another embodiment, the first terminal may generate incremental information of the SL TDD pattern when the complete information of the SL TDD pattern transmitted by the network device is acquired, and transmit the incremental information to the second terminal. Or, the first terminal may generate complete information of the SL TDD pattern based on the incremental information when the incremental information of the SL TDD pattern sent by the network device is acquired, and send the complete information to the second terminal.
It should be noted that the embodiment of the present invention further includes other embodiments, so that the first terminal may send the complete information or the incremental information of the SL TDD pattern to the second terminal, which is not described herein.
In this embodiment, the step 101 may include at least one of the following:
acquiring or generating complete information of the SL TDD pattern, and sending the complete information to the second terminal;
acquiring or generating complete information of the SL TDD pattern, and sending incremental information of the SL TDD pattern to the second terminal;
acquiring or generating incremental information of the SL TDD pattern, and sending the incremental information to the second terminal;
and acquiring or generating the increment information of the SL TDD pattern, and transmitting the complete information of the SL TDD pattern to the second terminal.
That is, the first terminal may acquire or generate the complete information of the SL TDD pattern, and may send the complete information to the second terminal, or may also send incremental information of the SL TDD pattern to the second terminal; the first terminal obtains or generates the incremental information of the SL TDD pattern, and may send the incremental information to the second terminal, or may send the complete information of the SL TDD pattern to the second terminal based on the incremental information. The following description will be made by means of several specific embodiments:
In a first alternative embodiment, when the first terminal obtains the complete information of the SL TDD pattern sent by the network device, the first terminal sends the obtained complete information of the SL TDD pattern to the second terminal; or when the incremental information of the SL TDD pattern sent by the network equipment is acquired, the incremental information is sent to the second terminal. In this embodiment, the first terminal does not perform any operation on the acquired complete information or incremental information of the SL TDD pattern, which is equivalent to forwarding the acquired complete information or incremental information of the SL TDD pattern to the second terminal.
In a second alternative embodiment, when the first terminal obtains the complete information of the SL TDD pattern sent by the network device, the first terminal may generate the incremental information of the SL TDD pattern according to the obtained complete information, for example, extract part of the information in the complete information to generate the incremental information of the SL TDD pattern, or generate the incremental information of the SL TDD pattern based on a preset algorithm, and send the generated incremental information of the SL TDD pattern to the second terminal.
In a third alternative embodiment, when the first terminal obtains the incremental information of the SL TDD pattern sent by the network device, the first terminal may generate the complete information of the SL TDD pattern according to the obtained incremental information, for example, supplement the incremental information to generate the complete information of the SL TDD pattern, and send the generated complete information of the SL TDD pattern to the second terminal.
Of course, the first terminal may be self-generating complete or incremental information of the SL TDD pattern before the first terminal transmits the complete or incremental information of the SL TDD pattern to the second terminal. For example, the first terminal may generate complete information or incremental information of the SL TDD pattern when receiving the SL request information sent by the second terminal, and send the generated complete information or incremental information of the SL TDD pattern to the second terminal. Alternatively, in the case of generating the complete information of the SL TDD pattern, the first terminal may extract part of the information in the complete information as incremental information of the SL TDD pattern, and transmit the incremental information to the second terminal. Alternatively, in the case of generating the incremental information of the SL TDD pattern, the first terminal may generate the complete information of the SL TDD pattern based on the incremental information, and transmit the complete information to the second terminal.
In the embodiment of the invention, the first terminal can send the complete information or the incremental information of the SL TDD pattern to the second terminal under the condition of acquiring or generating the complete information of the SL TDD pattern; or the first terminal can send the complete information or the incremental information of the SL TDD pattern to the second terminal under the condition of acquiring or generating the incremental information of the SL TDD pattern, so as to ensure that the second terminal can acquire all the SL TDD pattern information, ensure that all SL resources can be used and improve the utilization rate of the SL resources in the terminal.
Optionally, the step 101 may further include:
acquiring SL TDD pattern information in SL MIB sent to the second terminal, and replacing target information in the SL TDD pattern information;
and sending the replaced SL TDD pattern information to the second terminal.
It can be appreciated that the first terminal can replace the target information in the SL TDD pattern information according to the SL TDD pattern information already transmitted to the second terminal, so that the already transmitted SL TDD pattern information can be supplemented or updated. Alternatively, the first terminal may send the replaced target information to the second terminal, or may send the SL TDD pattern information including the replaced target information to the second terminal after replacing the target information in the SL TDD pattern.
Wherein the target information includes at least one of:
the number of uplink time slots;
number of uplink symbols.
That is, the first terminal can acquire the SL TDD pattern information in the SL MIB transmitted to the second terminal and replace the uplink slot number and/or the uplink symbol number in the SL TDD pattern information. For example, the first terminal parses the SL MIB sent to the second terminal into 52 uplink slots, and 4 uplink symbols; the first terminal can replace the uplink time slot number and the uplink symbol number, and send replaced SL TDD pattern information to the second terminal through PC5RRC signaling, where the number of uplink time slots in the replaced SL TDD pattern information is 55 and the number of uplink symbols is 6, and then SL resources that can be used by the second terminal are resources corresponding to the number of uplink time slots being 55 and the number of uplink symbols being 6. Therefore, the first terminal can replace or update the SL TDD pattern information sent to the second terminal, the flexibility of the terminal for SL TDD pattern information transmission is improved, all SL resources can be used, and the utilization rate of the SL resources in the terminal is improved.
Optionally, in an embodiment of the present invention, the step 101 may further include:
and obtaining the first SL TDD pattern information in the SL MIB sent to the second terminal, generating increment information according to the first SL TDD pattern information, and sending the increment information to the second terminal.
That is, the delta information transmitted from the first terminal to the second terminal is supplementary to the first SL TDD pattern information already transmitted to the second terminal. Optionally, the incremental information is at least one of:
the SLTDD pattern information is obtained after supplementing the first information of the first SL TDD pattern information;
and the first SL TDD pattern information does not contain information.
In an embodiment of the present invention, the incremental information includes at least one of the following:
TDD pattern number;
TDD pattern numbering;
a TDD pattern period;
the number of uplink time slots;
the number of uplink symbols;
uplink symbol start position.
In one embodiment, the supplementing the first information existing in the first SL TDD pattern information may further be: assuming that the network device transmits two SL TDD patterns, but due to limitation of the number of bits, the SL MIB transmitted by the first terminal to the second terminal may only indicate available resources of one of the SL TDD patterns, and the incremental information transmitted by the first terminal to the second terminal may be the available resources indicating the two SL TDD patterns; for example, the SL MIB may indicate the number of available resources of the first SL TDD pattern, and the incremental information sent by the first terminal to the second terminal may indicate the number of available resources of the two SL TDD patterns.
For example, the number of available slots of the first SL TDD pattern indicated in the SL MIB transmitted by the first terminal to the second terminal is 10; the first terminal sends the increment information of the SL TDD pattern to the second terminal through the PC5 RRC signaling, the increment information indicates that the available time slot number of the first SL TDD pattern is 10, and the available time slot number of the second SL TDD pattern is 12; the SL resources that the second terminal can use are: resources corresponding to 10 available time slots in the first SL TDD pattern and 12 available time slots in the second SL TDD pattern.
In another embodiment, the incremental information may further refer to information not included in the first SL TDD pattern information. For example, the SL MIB transmitted by the first terminal to the second terminal may indicate the number of available resources of the first SL TDD pattern, and the first terminal may further transmit delta information to the second terminal, where the delta information may be indicative of the number of available resources of the second SL TDD pattern.
For example, in embodiment 1, the number of available slots of the first SL TDD pattern indicated in the SL MIB sent by the first terminal to the second terminal is 10, and the first terminal may send incremental information of the SL TDD pattern to the second terminal through PC5 RRC signaling, where the incremental information indicates that the number of uplink slots of the second SL TDD pattern is 12; the SL resources that the second terminal can use are: resources corresponding to 10 available time slots in the first SL TDD pattern and 12 available time slots in the second SL TDD pattern.
Or as in embodiment 2, the first SL TDD pattern information parsed by the first terminal from the SL MIB sent to the second terminal includes: the number of uplink time slots is 52, and the number of uplink symbols is 4; the first terminal can supplement the number of uplink time slots and the number of uplink symbols existing in the first SL TDD pattern information by information to generate incremental information, wherein the incremental information is that the number of uplink time slots is 3, the number of uplink symbols is 2, and the incremental information is sent to the second terminal; then, the SL resources that can be used by the second terminal are resources corresponding to an uplink timeslot number of 55 and an uplink symbol number of 6.
Or as in embodiment 3, the incremental information of the SL TDD pattern sent by the first terminal to the second terminal may further be adding second information in the first SL TDD pattern, where the second information is information not included in the first SL TDD pattern. For example, the first terminal may send, to the second terminal, incremental information of the SL TDD pattern indicating that the starting position of the uplink symbol is 3, where the first terminal indicates that symbols 4 to 12 in one slot are used for SL transmission, and the second terminal may actually transmit symbols 3 to 13 in the slot.
In the embodiment of the invention, the first terminal can supplement the SL TDD pattern information sent by the first terminal by sending the incremental information of the SL TDD pattern to the second terminal, so that the first terminal can send all the SL TDD pattern information to the second terminal, the SL TDD pattern information compression caused by the larger configuration capacity of the SL TDD pattern is avoided, the use of all SL resources is ensured, and the utilization rate of the SL resources in the terminal is improved.
It should be noted that, in the embodiment of the present invention, the complete information of the SL TDD pattern includes at least one of the following:
subcarrier spacing (SCS);
at least one time division multiplexed uplink and downlink mode (Time Division Duplex Uplink Downlink pattern, TDD UL DL pattern) configuration.
That is, the complete information of the SL TDD pattern transmitted by the first terminal to the second terminal includes the SCS and/or at least one TDD UL DL pattern configuration. Wherein the TDD UL DL pattern configuration comprises at least one of:
an uplink and downlink transmission period (Dl UL Transmission Periodicity);
a downlink slot number (nrof Downlink Slots);
a downlink symbol number (nrof Downlink Symbols);
An uplink slot number (nrof Uplink Slots);
number of uplink symbols (nrof Uplink Symbols).
For example, the TDD UL DL pattern configuration may be composed of an uplink and downlink transmission period, a downlink timeslot number, a downlink symbol number, an uplink timeslot number, and an uplink symbol number.
In order to better understand the solution provided by the embodiments of the present invention, the following description will be given by using a specific embodiment, where the embodiment includes the following two implementations:
in a first embodiment, the first terminal sends complete information of the SL TDD pattern to the second terminal through PC5 RRC signaling. When the first terminal and the second terminal establish the SL connection, the first terminal may send the complete information of the SL TDD pattern to the second terminal through PC5 RRC signaling, or after the second terminal actively requests SL resources or other SL information to the first terminal, the first terminal sends the complete information of the SL TDD pattern to the second terminal through PC5 RRC signaling.
For example, the complete information of the SL TDD pattern is directly obtained by the first terminal from the network device broadcast message and forwarded through PC5 RRC signaling.
Optionally, the complete information of the SL TDD pattern may include a subcarrier spacing (SCS), and/or at least one TDD UL DL pattern configuration; each TDD UL DL pattern configuration may consist of an uplink and downlink transmission period (dl UL Transmission Periodicity), a downlink time slot number (nrof Downlink Slots), a downlink symbol number (nrof Downlink Symbols), an uplink time slot number (nrof Uplink Slots), and an uplink symbol number (nrof Uplink Symbols).
Or the complete information of the SL TDD pattern is the replacement of the SL TDD pattern information in the SL MIB sent by the first terminal according to the first terminal.
The replacing method may replace the SL TDD pattern information in the SL MIB with a new one: available time slots. The available time slots may be: at least one of an uplink slot number (nrof Uplink Slots _new), an uplink symbol number (nrof Uplink Symbols _new, e.g., a slot in which at least symbols X to x+y-1 are uplink symbols), and the like.
For example: the second terminal analyzes the obtained uplink time slot number from the SL MIB sent by the first terminal to be 52, and the uplink symbol number is 4; the second terminal analyzes the uplink time slot number obtained from the PC5 RRC signaling sent by the first terminal to be 55, and the uplink symbol number is 6, so that SL resources which can be used by the second terminal are as follows: the number of uplink time slots is 55, the number of uplink symbols is 6, and the corresponding resource pool is provided.
In a second embodiment, the first terminal sends the incremental information of the SL TDD pattern to the second terminal through PC5 RRC signaling in combination with the SL MIB broadcast configuration.
Optionally, the first terminal sends the incremental information of the SL TDD pattern to the second terminal through the PC5 RRC signaling; alternatively, the second terminal actively requests SL resources or other SL information to the first terminal, and the first terminal transmits incremental information of the SL TDD pattern to the second terminal through PC5 RRC signaling.
Specifically, the incremental information of the SL TDD pattern is a supplement of the SL TDD pattern information in the SL MIB sent by the first terminal according to the first terminal.
The complementary method may be to add an additional part to the SL TDD pattern information in the SL MIB: at least one of the number of TDD patterns, the period of TDD patterns, the number of uplink slots (nrof Uplink Slots _delta) and the number of uplink symbols (nrof Uplink Symbols _delta).
For example, example 1: the second terminal analyzes the obtained uplink time slot number from the SL MIB sent by the first terminal to be 52, and the uplink symbol number is 4; the second terminal analyzes the uplink time slot number which is 3 and the uplink symbol number is 2 from the PC5 RRC signaling sent by the first terminal, and SL resources which can be used by the second terminal are as follows: the number of uplink time slots is 55 (52+3), the number of uplink symbols is 6 (4+2), and the corresponding resource pool is set.
In addition, the supplementing method can also be as follows: it is assumed that the base station (or network device) provides two TDD patterns, but due to limitation of the number of bits, the SL MIB may only indicate available resources of one of the TDD patterns, and the incremental information may indicate available resources of the two TDD patterns, or indicate available resources of the other TDD pattern (i.e., the TDD pattern not indicated by the SL MIB). For example, the SL MIB may indicate the number of available resources in TDD pattern1, and the increment information may indicate the number of available resources of two TDD patterns to the second terminal 2, or indicate the number of available resources of TDD pattern2 to the second terminal.
For example, example 2: the second terminal analyzes the obtained available time slot number in the TDD pattern1 from the SL MIB sent by the first terminal to be 10; the second terminal obtains the uplink time slot number of the TDD pattern2 from the PC5 RRC signaling sent by the first terminal as 12, and the SL resources which can be used by the second terminal are as follows: and the resource pool corresponds to 10 available time slots in the TDD pattern1 and 12 available time slots in the TDD pattern 2.
For example, example 3: the second terminal analyzes the number of available time slots in pattern1 obtained from SL MIB sent by the first terminal to be 10; the second terminal obtains the available time slot number in the TDD pattern1 from the PC5 RRC signaling sent by the first terminal as 10, and the uplink time slot number of the TDD pattern2 as 12, and the SL resources that can be used by the second terminal are as follows: and the resource pool corresponds to 10 available time slots in the TDD pattern1 and 12 available time slots in the TDD pattern 2.
It should be noted that the incremental information of the SL TDD pattern may also include some information that is not included in SL TDD configuration, such as the starting position of the uplink symbol and/or the number of uplink symbols.
Optionally, the incremental information indicates the starting position of the uplink symbol and/or the number of uplink symbols in certain specific time slots, and the specific time slots are time slots containing uplink symbols meeting the requirement.
For example: and if the first terminal informs the second terminal that the initial position of the uplink symbol is symbol 3 through the incremental information of the SL TDD pattern, the second terminal can actually perform SL transmission on the symbols 3-13 in the resource pool.
Further, in this embodiment, there is a possibility that the SL TDD pattern is notified to the in-coverage user through a base station broadcast message, for example, the first terminal, and the first terminal broadcasts the SL TDD pattern through the SL MIB. Thus, the first terminal is not required to calculate the complete information of the SL TDD pattern and the specific content of the increment information of the SL TDD pattern, and the complete information and the increment information are directly obtained from the base station broadcast message and forwarded to the second terminal.
In this embodiment, the first terminal may send all the SL TDD pattern information to the second terminal, so as to avoid the compression of the SL TDD pattern information caused by the larger configuration capacity of the SL TDD pattern, so that the second terminal may obtain all the SL TDD pattern information, ensure that all the SL resources may be used, and improve the utilization rate of the SL resources in the terminal.
The embodiment of the invention also provides another information transmission method, and the information transmission method provided by the embodiment of the invention is applied to the second terminal, which is not specific to a certain terminal or a certain class of terminals. Referring to fig. 2, fig. 2 is a flowchart of another information transmission method according to an embodiment of the present invention, as shown in fig. 2, the information transmission method includes the following steps:
step 201, receiving complete information or incremental information of the SL TDD pattern sent by the first terminal.
The second terminal may first send the SL request information to the first terminal, and then receive the complete information or the incremental information of the SL TDD pattern sent by the first terminal in response to the SL request information.
Optionally, the second terminal may receive the complete information or the incremental information of the SL TDD pattern sent by the first terminal through the PC5 RRC signaling, so that a direct communication interface between the terminals is effectively utilized to perform data transmission, so that the second terminal is ensured to be capable of receiving the complete information or the incremental information of the SL TDD pattern sent by the first terminal, and SL resources are ensured to be effectively used. Of course, the second terminal may also receive the complete information or the incremental information of the SL TDD pattern sent by the first terminal through other interfaces or signaling, which is not limited in this embodiment.
Optionally, before step 201, the method further includes:
receiving first SL TDD pattern information sent by a first terminal through a SL MIB;
the step 201 includes:
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 RRC signaling, and acquiring target information in the complete information of the SL TDD pattern;
the target information is different information in the complete information of the SL TDD pattern from the information of the first SL TDD pattern.
Optionally, the target information includes at least one of:
the number of uplink time slots;
number of uplink symbols.
In this embodiment, the second terminal receives the first SL TDD pattern information sent by the first terminal through the SL MIB, and can analyze and obtain specific information parameters in the first SL TDD pattern information; when the second terminal receives the complete information of the SL TDD pattern sent by the first terminal through the PC5 RRC signaling, the second terminal analyzes and acquires specific information parameters in the complete information of the SL TDD pattern, compares the specific information parameters with the first SL TDD pattern information, and if target information different from the SL TDD pattern information exists in the complete information of the SL TDD pattern, the second terminal replaces the target information for data transmission.
For example, the second terminal analyzes the uplink time slot number obtained by analysis from the SL MIB sent by the first terminal to be 52, and the uplink symbol number is 4; the second terminal analyzes the uplink time slot number obtained from the PC5 RRC signaling sent by the first terminal to be 55, and the uplink symbol number is 6, so that SL resources which can be used by the second terminal are as follows: the number of uplink time slots is 55, the number of uplink symbols is 6, and the corresponding resource pool is provided.
In this way, after receiving the SL TDD pattern information sent by the first terminal, the second terminal can update or replace the SL resource based on the target information, so that the second terminal can use the latest SL resource, and the utilization rate of the SL resource at the terminal is ensured.
According to the technical scheme provided by the embodiment of the invention, the second terminal can receive the complete information of the SL TDD pattern sent by the first terminal, or can receive the incremental information of the SL TDD pattern sent by the first terminal even if the configuration capacity of the SL TDD pattern is larger, so as to supplement or replace the SL TDD pattern information. Therefore, the compression of SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern can be avoided, the second terminal can obtain all SL TDD pattern information, all SL resources can be ensured to be used, and the utilization rate of the SL resources in the terminal is improved.
The embodiment of the invention also provides a terminal, which is the first terminal. Referring to fig. 3, the terminal 300 includes:
a sending module 301, configured to send complete information or incremental information of the sidelink TDD pattern to the second terminal.
Optionally, the sending module 301 is further configured to:
and sending the complete information or the incremental information of the SL TDD pattern to the second terminal through the PC5 Radio Resource Control (RRC) signaling.
Optionally, the terminal 300 further includes an acquisition module, where the acquisition module is configured to implement at least one of the following:
acquiring complete information or incremental information of the SL TDD pattern sent by network equipment;
receiving SL request information sent by the second terminal;
and generating the complete information or the increment information of the SL TDD pattern.
Optionally, the sending module 301 is configured to implement at least one of the following:
acquiring or generating complete information of the SL TDD pattern, and sending the complete information to the second terminal;
acquiring or generating complete information of the SL TDD pattern, and sending incremental information of the SL TDD pattern to the second terminal;
acquiring or generating incremental information of the SL TDD pattern, and sending the incremental information to the second terminal;
And acquiring or generating the increment information of the SL TDD pattern, and transmitting the complete information of the SL TDD pattern to the second terminal.
Optionally, the complete information of the SL TDD pattern includes at least one of the following:
a subcarrier spacing SCS;
at least one time division multiplexed uplink and downlink mode TDD UL DL pattern is configured.
Optionally, the TDD UL DL pattern configuration includes at least one of:
an uplink and downlink transmission period;
a downlink slot number;
a number of downlink symbols;
the number of uplink time slots;
number of uplink symbols.
Optionally, the sending module 301 is further configured to:
acquiring SL TDD pattern information in a sub-link main information block SL MIB sent to the second terminal, and replacing target information in the SL TDD pattern information;
and sending the replaced SL TDD pattern information to the second terminal.
Optionally, the target information includes at least one of:
the number of uplink time slots;
number of uplink symbols.
Optionally, the sending module 301 is further configured to:
and obtaining the first SL TDD pattern information in the SL MIB sent to the second terminal, generating increment information according to the first SL TDD pattern information, and sending the increment information to the second terminal.
Optionally, the incremental information is at least one of:
the SL TDD pattern information is obtained after supplementing the first information of the first SL TDD pattern information;
and the first SL TDD pattern information does not contain information.
Optionally, the incremental information includes at least one of:
TDD pattern number;
TDD pattern numbering;
a TDD pattern period;
the number of uplink time slots;
the number of uplink symbols;
uplink symbol start position.
It should be noted that, the terminal 300 can implement the processes of the embodiment of the information transmission method described in fig. 1 and achieve the same technical effects, and in order to avoid repetition, a detailed description is omitted here.
In this embodiment, the terminal 300 can send all the SL TDD pattern information to another terminal, so as to avoid the compression of the SL TDD pattern information caused by the larger configuration capacity of the SL TDD pattern, so that the other terminal can obtain all the SL TDD pattern information, ensure that all the SL resources can be used, and improve the utilization rate of the SL resources in the terminal.
The embodiment of the invention also provides a terminal, which is a second terminal. Referring to fig. 4, the terminal 400 includes:
and the receiving module 401 is configured to receive the complete information or the incremental information of the sidelink TDD pattern sent by the first terminal.
Optionally, the receiving module 401 is further configured to:
receiving first SL TDD pattern information sent by a first terminal through a sub-link master information block SL MIB;
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 radio resource control RRC signaling, and acquiring target information in the complete information of the SL TDD pattern;
the target information is different information in the complete information of the SL TDD pattern from the information of the first SL TDD pattern.
Optionally, the target information includes at least one of:
the number of uplink time slots;
number of uplink symbols.
It should be noted that, the terminal 400 can implement the processes of the embodiment of the information transmission method described in fig. 2, and achieve the same technical effects, and in order to avoid repetition, a detailed description is omitted here.
In this embodiment, the terminal 400 can receive the complete information or the incremental information of the SL TDD pattern sent by another terminal, so that the compression of the SL TDD pattern information caused by the larger configuration capacity of the SL TDD pattern can be avoided, the terminal 400 can obtain all the SL TDD pattern information, all the SL resources can be ensured to be used, and the utilization rate of the SL resources in the terminal is improved.
The embodiment of the invention also provides another terminal. As shown in fig. 5, the terminal 500 includes, but is not limited to: radio frequency unit 501, network module 502, audio output unit 503, input unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, 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.
In an alternative embodiment, the terminal 500 is a first terminal, where the radio frequency unit 501 is configured to:
and sending the complete information or the incremental information of the sub-link time division multiplexing mode SL TDD pattern to the second terminal.
Optionally, the radio frequency unit 501 is further configured to:
and sending the complete information or the incremental information of the SL TDD pattern to the second terminal through the PC5 Radio Resource Control (RRC) signaling.
Optionally, the radio frequency unit 501 is further configured to:
acquiring complete information or incremental information of the SL TDD pattern sent by network equipment; and/or receiving SL request information sent by the second terminal; and/or the number of the groups of groups,
the processor 510 is configured to: and generating the complete information or the increment information of the SL TDD pattern.
Optionally, the radio frequency unit 501 is further configured to implement at least one of the following:
acquiring or generating complete information of the SL TDD pattern, and sending the complete information to the second terminal;
acquiring or generating complete information of the SL TDD pattern, and sending incremental information of the SL TDD pattern to the second terminal;
acquiring or generating incremental information of the SL TDD pattern, and sending the incremental information to the second terminal;
and acquiring or generating the increment information of the SL TDD pattern, and transmitting the complete information of the SL TDD pattern to the second terminal.
Optionally, the complete information of the SL TDD pattern includes at least one of the following:
a subcarrier spacing SCS;
at least one time division multiplexed uplink and downlink mode TDD UL DL pattern is configured.
Optionally, the TDD UL DL pattern configuration includes at least one of:
an uplink and downlink transmission period;
A downlink slot number;
a number of downlink symbols;
the number of uplink time slots;
number of uplink symbols.
Optionally, the radio frequency unit 501 is further configured to:
acquiring SL TDD pattern information in a sub-link main information block SL MIB sent to the second terminal, and replacing target information in the SL TDD pattern information;
and sending the replaced SL TDD pattern information to the second terminal.
Optionally, the target information includes at least one of:
the number of uplink time slots;
number of uplink symbols.
Optionally, the radio frequency unit 501 is further configured to:
and obtaining the first SL TDD pattern information in the SL MIB sent to the second terminal, generating increment information according to the first SL TDD pattern information, and sending the increment information to the second terminal.
Optionally, the incremental information is at least one of:
the SL TDD pattern information is obtained after supplementing the first information of the first SL TDD pattern information;
and the first SL TDD pattern information does not contain information.
Optionally, the incremental information includes at least one of:
TDD pattern number;
TDD pattern numbering;
a TDD pattern period;
the number of uplink time slots;
the number of uplink symbols;
Uplink symbol start position.
In this embodiment, the terminal 500 can implement all the technical features of the embodiment of the information transmission method described in fig. 1, and can achieve the same technical effects. The terminal 500 can send all the SL TDD pattern information to another terminal, so that the SL TDD pattern information compression caused by the large configuration capacity of the SL TDD pattern is avoided, the other terminal can obtain all the SL TDD pattern information, all the SL resources can be ensured to be used, and the utilization rate of the SL resources in the terminal is improved.
In another embodiment, the terminal 500 may be a second terminal, where the radio frequency unit 501 is configured to:
and receiving the complete information or the incremental information of the SL TDD pattern of the sidelink time division multiplexing mode sent by the first terminal.
Optionally, the radio frequency unit 501 is further configured to:
receiving first SL TDD pattern information sent by a first terminal through a sub-link master information block SL MIB;
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 radio resource control RRC signaling, and acquiring target information in the complete information of the SL TDD pattern;
the target information is different information in the complete information of the SL TDD pattern from the information of the first SL TDD pattern.
Optionally, the target information includes at least one of:
the number of uplink time slots;
number of uplink symbols.
In this embodiment, the terminal 500 can implement all the technical features of the embodiment of the information transmission method described in fig. 2, and can achieve the same technical effects. The terminal 500 can receive the complete information or the incremental information of the SL TDD pattern sent by another terminal, so that the compression of the SL TDD pattern information caused by the larger configuration capacity of the SL TDD pattern can be avoided, the terminal 500 can obtain all the SL TDD pattern information, all the SL resources can be ensured to be used, and the utilization rate of the SL resources in the terminal is improved.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 501 may be used to receive and send information or signals during a call, specifically, receive downlink data from a base station, and then process the downlink data with the processor 510; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 501 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 501 may also communicate with networks and other devices through a wireless communication system.
The terminal 500 provides wireless broadband internet access to the user through the network module 502, such as helping the user to send and receive e-mail, browse web pages, access streaming media, etc.
The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output as sound. Also, the audio output unit 503 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 500. The audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
The input unit 504 is used for receiving an audio or video signal. The input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042, the graphics processor 5041 processing image data of still images or video obtained by an image capturing device (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 506. The image frames processed by the graphics processor 5041 may be stored in the memory 509 (or other computer-readable storage medium) or transmitted via the radio frequency unit 501 or the network module 502. Microphone 5042 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 501 in case of a phone call mode.
The terminal 500 further comprises at least one sensor 505, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 5051 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 5051 and/or the backlight when the terminal 500 is moved 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 505 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 are not described herein.
The display unit 506 is used to display information input by a user or information provided to the user. The display unit 506 may include a display panel 5051, and the display panel 5051 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 507 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 500. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072. Touch panel 5071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on touch panel 5071 or thereabout using any suitable object or accessory such as a finger, stylus, etc.). Touch panel 5071 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. In addition, the touch panel 5071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 5071, the user input unit 507 may include other input devices 5072. In particular, other input devices 5072 may include, but are not limited to, physical keyboards, function keys (e.g., volume control keys, switch keys, etc.), trackballs, mice, joysticks, and so forth, which are not described in detail herein.
Further, the touch panel 5071 may be overlaid on the display panel 5051, and when the touch panel 5071 detects a touch operation thereon or thereabout, the touch operation is transferred to the processor 510 to determine a type of touch event, and then the processor 510 provides a corresponding visual output on the display panel 5051 according to the type of touch event. Although in fig. 5, the touch panel 5071 and the display panel 5051 are two independent components to implement the input and output functions of the terminal 500, in some embodiments, the touch panel 5071 and the display panel 5051 may be integrated to implement the input and output functions of the terminal 500, which is not limited herein.
The interface unit 508 is an interface through which an external device is connected to the terminal 500. 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 508 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 500 or may be used to transmit data between the terminal 500 and an external device.
The memory 509 may be used to store software programs as well as various data. The memory 509 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory 509 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 500, connects various parts of the entire terminal 500 using various interfaces and lines, and performs various functions of the terminal 500 and processes data by running or executing software programs and/or modules stored in the memory 509, and calling data stored in the memory 509, thereby performing overall monitoring of the terminal 500. 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 500 may further 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 500 includes some functional modules, which are not shown, and will not be described herein.
Optionally, an embodiment of the present invention further provides a terminal, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program when executed by the processor implements the processes of the embodiment of the information transmission method described in fig. 1, and achieves the same technical effects; alternatively, the computer program when executed by the processor implements the processes of the embodiment of the information transmission method described in fig. 2, and the same technical effects can be achieved, so that the repetition is avoided and the description is omitted here.
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 embodiment of the information transmission method described in fig. 1, and can achieve the same technical effects; alternatively, the computer program when executed by the processor implements the processes of the embodiment of the information transmission method described in fig. 2, and the same technical effects can be achieved, so that the repetition is avoided and the description is omitted 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.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (24)

1. An information transmission method applied to a first terminal, the method comprising:
transmitting complete information or incremental information of a sub-link time division multiplexing (SL TDD) pattern to a second terminal;
wherein, the sending the complete information of the SL TDD pattern to the second terminal includes:
transmitting complete information of the SL TDD pattern to the second terminal through a PC5 Radio Resource Control (RRC) signaling;
or, the sending the incremental information of the SL TDD pattern to the second terminal includes:
generating incremental information according to the first SL TDD pattern information, and sending the incremental information to the second terminal; the first SL TDD pattern information is information sent to the second terminal through a sub-link master information block SL MIB before the first terminal sends incremental information of the SL TDD pattern to the second terminal.
2. The method of claim 1, wherein the transmitting incremental information of the SL TDD pattern to the second terminal comprises:
and sending the increment information of the SL TDD pattern to the second terminal through a PC5 Radio Resource Control (RRC) signaling.
3. The method of claim 1, further comprising at least one of the following before transmitting the complete information or the incremental information of the SL TDD pattern to the second terminal:
acquiring complete information or incremental information of the SL TDD pattern sent by network equipment;
receiving SL request information sent by the second terminal;
and generating the complete information or the increment information of the SL TDD pattern.
4. The method of claim 1, wherein the transmitting the complete information or the incremental information of the SL TDD pattern to the second terminal comprises at least one of:
acquiring or generating complete information of the SL TDD pattern, and sending the complete information to the second terminal;
acquiring or generating complete information of the SL TDD pattern, and sending incremental information of the SL TDD pattern to the second terminal;
acquiring or generating incremental information of the SL TDD pattern, and sending the incremental information to the second terminal;
And acquiring or generating the increment information of the SL TDD pattern, and transmitting the complete information of the SL TDD pattern to the second terminal.
5. The method of claim 1, wherein the complete information of the SL TDD pattern comprises at least one of:
a subcarrier spacing SCS;
at least one time division multiplexed uplink and downlink mode TDD UL DL pattern is configured.
6. The method of claim 5, wherein the TDD UL DL pattern configuration comprises at least one of:
an uplink and downlink transmission period;
a downlink slot number;
a number of downlink symbols;
the number of uplink time slots;
number of uplink symbols.
7. The method of claim 1, wherein the transmitting the complete information or the delta information of the SL TDD pattern to the second terminal comprises:
acquiring SL TDD pattern information in SL MIB sent to the second terminal, and replacing target information in the SL TDD pattern information;
and sending the replaced SL TDD pattern information to the second terminal.
8. The method of claim 7, wherein the target information comprises at least one of:
the number of uplink time slots;
number of uplink symbols.
9. The method of claim 1, wherein the delta information is at least one of:
the SL TDD pattern information is obtained after supplementing the first information of the first SL TDD pattern information;
and the first SL TDD pattern information does not contain information.
10. The method of claim 1 or 9, wherein the delta information comprises at least one of:
TDD pattern number;
TDD pattern numbering;
a TDD pattern period;
the number of uplink time slots;
the number of uplink symbols;
uplink symbol start position.
11. An information transmission method applied to a second terminal, the method comprising:
receiving complete information or incremental information of a side link time division multiplexing (SL TDD) pattern sent by a first terminal;
the receiving the complete information of the SL TDD pattern sent by the first terminal includes:
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 radio resource control RRC signaling;
or, the receiving the incremental information of the SL TDD pattern sent by the first terminal includes:
and receiving the increment information generated according to the first SL TDD pattern sent by the first terminal, wherein the first SL TDD pattern information is information sent to the second terminal through a sub-link master information block SL MIB before the first terminal sends the increment information of the SL TDD pattern to the second terminal.
12. The method of claim 11, wherein prior to receiving the complete information of the SL TDD pattern transmitted by the first terminal, further comprising:
receiving first SL TDD pattern information sent by a first terminal through a sub-link master information block SL MIB;
the receiving the complete information of the SL TDD pattern sent by the first terminal includes:
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 radio resource control RRC signaling, and acquiring target information in the complete information of the SL TDD pattern;
the target information is different information in the complete information of the SL TDD pattern from the information of the first SL TDD pattern.
13. The method of claim 12, wherein the target information comprises at least one of:
the number of uplink time slots;
number of uplink symbols.
14. A terminal, the terminal being a first terminal, the terminal comprising:
the sending module is used for sending the complete information or the incremental information of the sub-link time division multiplexing mode SL TDD pattern to the second terminal;
the sending module is specifically configured to:
transmitting complete information of the SL TDD pattern to the second terminal through a PC5 Radio Resource Control (RRC) signaling;
Or generating incremental information according to the first SL TDD pattern information, and sending the incremental information to the second terminal; the first SL TDD pattern information is information sent to the second terminal through a sub-link master information block SL MIB before the first terminal sends incremental information of the SL TDD pattern to the second terminal.
15. The terminal of claim 14, wherein the sending module is further configured to:
and sending the increment information of the SL TDD pattern to the second terminal through a PC5 Radio Resource Control (RRC) signaling.
16. The terminal of claim 14, wherein the sending module is further configured to:
acquiring SL TDD pattern information in a sub-link main information block SL MIB sent to the second terminal, and replacing target information in the SL TDD pattern information;
and sending the replaced SL TDD pattern information to the second terminal.
17. The terminal of claim 16, wherein the target information comprises at least one of:
the number of uplink time slots;
number of uplink symbols.
18. The terminal of claim 14, wherein the delta information is at least one of:
The SL TDD pattern information is obtained after supplementing the first information of the first SL TDD pattern information;
and the first SL TDD pattern information does not contain information.
19. The terminal according to claim 14 or 18, wherein the delta information comprises at least one of:
TDD pattern number;
TDD pattern numbering;
a TDD pattern period;
the number of uplink time slots;
the number of uplink symbols;
uplink symbol start position.
20. A terminal, the terminal being a second terminal, the terminal comprising:
the receiving module is used for receiving the complete information or the incremental information of the sub-link time division multiplexing mode SL TDD pattern sent by the first terminal;
the receiving module is specifically configured to:
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 radio resource control RRC signaling;
or, receiving the incremental information generated according to the first SL TDD pattern sent by the first terminal, where the first SL TDD pattern information is information sent to the second terminal through a sub-link master information block SL MIB before the first terminal sends the incremental information of the SL TDD pattern to the second terminal.
21. The terminal of claim 20, wherein the receiving module is further configured to:
Receiving first SL TDD pattern information sent by a first terminal through a sub-link master information block SL MIB;
receiving complete information of SL TDD pattern sent by a first terminal through a PC5 radio resource control RRC signaling, and acquiring target information in the complete information of the SL TDD pattern;
the target information is different information in the complete information of the SL TDD pattern from the information of the first SL TDD pattern.
22. The terminal of claim 21, wherein the target information comprises at least one of:
the number of uplink time slots;
number of uplink symbols.
23. A terminal comprising a processor, a memory and a computer program stored on the memory and operable on the processor, which when executed by the processor performs the steps of the information transmission method according to any one of claims 1-10; alternatively, the computer program when executed by the processor implements the steps of the information transmission method according to any one of claims 11-13.
24. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the information transmission method according to any one of claims 1-10; alternatively, the computer program when executed by the processor implements the steps of the information transmission method according to any one of claims 11-13.
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