WO2021213212A1 - 信息传输方法及终端 - Google Patents

信息传输方法及终端 Download PDF

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Publication number
WO2021213212A1
WO2021213212A1 PCT/CN2021/086853 CN2021086853W WO2021213212A1 WO 2021213212 A1 WO2021213212 A1 WO 2021213212A1 CN 2021086853 W CN2021086853 W CN 2021086853W WO 2021213212 A1 WO2021213212 A1 WO 2021213212A1
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WIPO (PCT)
Prior art keywords
information
terminal
tdd pattern
tdd
incremental
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PCT/CN2021/086853
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English (en)
French (fr)
Inventor
金巴·迪·阿达姆布巴卡
刘思綦
杨晓东
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维沃移动通信有限公司
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Publication of WO2021213212A1 publication Critical patent/WO2021213212A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communication technology, in particular to an information transmission method and terminal.
  • Some communication systems support sidelink (SL) transmission.
  • SL sidelink
  • the secondary link time division multiplexing mode (Sidelink Time Division Duplex pattern, SL TDD pattern) configuration in the 5G NR system information exceeds the secondary link master information block (Sidelink Master Information Block, SL MIB). Therefore, the terminal compresses the SL TDD pattern information in the SL MIB when sending signals, resulting in some SL resources that cannot be used.
  • the embodiments of the present invention provide an information transmission method and terminal to solve the problem that the existing terminal compresses the SL TDD pattern information in the SL MIB when sending a signal, which causes some SL resources to be unusable.
  • the present invention is implemented as follows:
  • an embodiment of the present invention provides an information transmission method, which is applied to a first terminal, and the method includes:
  • an embodiment of the present invention also provides an information transmission method, which is applied to a second terminal, and the method includes:
  • an embodiment of the present invention also provides a terminal, where the terminal is a first terminal, and the terminal includes:
  • the sending module is used to send complete information or incremental information of the SL TDD pattern of the secondary link time division multiplexing mode to the second terminal.
  • an embodiment of the present invention also provides a terminal, where the terminal is a second terminal, and the terminal includes:
  • the receiving module is configured to receive complete information or incremental information of the SL TDD pattern of the secondary link time division multiplexing mode sent by the first terminal.
  • an embodiment of the present invention also provides a terminal, including a processor, a memory, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor
  • the steps of the information transmission method as described in the second aspect are implemented.
  • an embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the information transmission method as described in the first aspect are implemented; Or, when the computer program is executed by the processor, the steps of the information transmission method as described in the second aspect are implemented.
  • 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, it can send the increment of the SL TDD pattern to the second terminal.
  • Information to supplement or replace the SL TDD pattern information sent to the second terminal In this way, the first terminal can send all the SL TDD pattern information to the second terminal, avoiding the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, so that the second terminal can obtain all the SL TDD
  • the pattern information ensures that all SL resources can be used, and improves the utilization of SL resources in the terminal.
  • FIG. 1 is a flowchart of an information transmission method provided by an embodiment of the present invention
  • FIG. 2 is a flowchart of another information transmission method provided by an embodiment of the present invention.
  • FIG. 3 is a structural diagram of a terminal provided by an embodiment of the present invention.
  • Figure 4 is a structural diagram of another terminal provided by an embodiment of the present invention.
  • Fig. 5 is a structural diagram of another terminal provided by an embodiment of the present invention.
  • LTE Long Term Evolution
  • SL side link
  • IoV communications include various services, such as basic security communications, autonomous driving, formation, sensor expansion, and so on. Since LTE Sidelink only supports broadcast communications, it is mainly used for basic security communications. Other advanced V2X services with strict QoS requirements in terms of delay and reliability will be supported by New Radio (NR) Sidelink.
  • NR New Radio
  • the embodiment of the present invention provides an information transmission method, and the information transmission method is applied in an NR communication system. It should be noted that the information transmission method provided by the embodiments of the present invention is applied to a first terminal, and the first terminal does not specifically refer to a certain terminal or a certain type of terminal. In some scenarios, the terminal may be used as the first terminal to implement the present invention. The solution of the embodiment of the present invention may also be used as a second terminal to implement the solution of the embodiment of the present invention in other scenarios, which is not limited.
  • 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:
  • Step 101 Send the complete information or incremental information of the SL TDD pattern to the second terminal.
  • the complete information of the secondary link time division multiplexing mode may refer to all information of the SL TDD pattern; the incremental information of the SL TDD pattern may refer to SL Not all information of the TDD pattern, for example, the incremental information of the SL TDD pattern is part of the information of the SL TDD pattern, or is supplementary information for the SL TDD pattern, or is the complete information of the SL TDD pattern Part of the information after replacing the information, etc.
  • the first terminal can send the complete information or incremental information of the SL TDD pattern to the second terminal.
  • 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 also receive the complete information of the SL TDD pattern.
  • the complete information of the SL TDD pattern is generated based on the preset algorithm, and the complete information of the SL TDD pattern is sent to the second terminal; or, the first terminal may also be receiving
  • the first terminal sends incremental information to the second terminal according to the SL TDD pattern information in the Sidelink Master Information Block (SL MIB) sent by itself; etc.
  • SL MIB Sidelink Master Information Block
  • 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, it can also send the SL TDD pattern to the second terminal.
  • the first terminal can send all the SL TDD pattern information to the second terminal, avoiding the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, so that the second terminal can obtain all the SL TDD
  • the pattern information ensures that all SL resources can be used, and improves the utilization of SL resources in the terminal.
  • 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.
  • the step 101 may include:
  • the complete information or incremental information of the SL TDD pattern is sent to the second terminal through PC5 radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the PC5 interface is a direct terminal-to-terminal communication interface introduced in the Device-to-Device (D2D) project of 3GPP Rel-12. Neighboring terminals can transmit data through direct links within a short range, without forwarding through network equipment, or transmitting information between terminals through traditional cellular links.
  • D2D Device-to-Device
  • the first terminal sends the complete information or incremental information of the SL TDD pattern to the second terminal through PC5 RRC signaling, thereby effectively using the direct communication interface between the terminals for data transmission to ensure the The complete information or incremental information of the SL TDD pattern can be sent to the second terminal to ensure that the SL resources can be used effectively.
  • the first terminal may also send the complete information or incremental information of the SL TDD pattern to the second terminal through other interfaces or signaling, which is not limited in this embodiment.
  • the first terminal may further include at least one of the following:
  • the first terminal may send the complete information or incremental information of the SL TDD pattern to the second terminal when it is in at least one of the above three situations, which will be described in detail below:
  • the first terminal when the first terminal receives the complete information or incremental information of the SL TDD pattern sent by the network device, the first terminal sends the complete information or incremental information of the SL TDD pattern to the second terminal For example, it 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 also send the received complete information of the SL TDD pattern to the second terminal.
  • the terminal sends the incremental 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 incremental information of the SL TDD pattern.
  • the first terminal when it receives the SL information request sent by the second terminal, it sends the complete information or incremental information of the SL TDD pattern to the second terminal.
  • the second terminal actively requests SL resources or other SL information from the first terminal, and sends SL request information to the first terminal.
  • the first terminal sends the complete information of the SL TDD pattern to the second terminal.
  • the first terminal sends the SL TDD pattern increment information to the second terminal according to the SL TDD pattern information in the SL MIB sent by itself.
  • the first terminal generates complete information or incremental information of the SL TDD pattern, and sends the complete information or incremental information of the SL TDD pattern to the second terminal.
  • the first terminal can generate based on a preset algorithm without receiving the SL request information sent by the second terminal, nor the complete information or incremental information of the SL TDD pattern sent by the network device.
  • the complete information or incremental information of the SL TDD pattern is sent to the second terminal.
  • the first terminal may generate the complete information of the SL TDD pattern upon receiving the SL request information sent by the second terminal, and send the complete information of the SL TDD pattern to the second terminal. terminal.
  • the first terminal may generate the increment information of the SL TDD pattern when receiving the SL request information sent by the second terminal, and send the increment information of the SL TDD pattern to the second terminal.
  • the first terminal may generate the incremental information of the SL TDD pattern after acquiring the complete information of the SL TDD pattern sent by the network device, and send the incremental information to the second terminal. terminal.
  • the first terminal may generate the complete information of the SL TDD pattern based on the incremental information when acquiring the incremental information of the SL TDD pattern sent by the network device, and send the complete information to the second terminal .
  • the embodiment of the present invention also includes other implementation manners, so that the first terminal sends the complete information or incremental information of the SL TDD pattern to the second terminal, which will not be repeated here.
  • the step 101 may include at least one of the following:
  • the first terminal when it obtains or generates the complete information of the SL TDD pattern, it may send the complete information to the second terminal, or it may also send the incremental information of the SL TDD pattern to the second terminal; the first terminal acquires Or to generate the incremental information of the SL TDD pattern, the incremental information may be sent to the second terminal, or the complete information of the SL TDD pattern may be sent to the second terminal based on the incremental information.
  • the first terminal acquires Or to generate the incremental information of the SL TDD pattern, the incremental information may be sent to the second terminal, or the complete information of the SL TDD pattern may be sent to the second terminal based on the incremental information.
  • the first terminal 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 device is acquired, the incremental information is sent to the second terminal.
  • 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.
  • the first terminal when the first terminal obtains the complete information of the SL TDD pattern sent by the network device, the first terminal can generate the incremental information of the SL TDD pattern according to the obtained complete information, for example It may 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 first Two terminal.
  • the first terminal when the first terminal obtains the incremental information of the SL TDD pattern sent by the network device, the first terminal can generate the complete information of the SL TDD pattern according to the obtained incremental information, For example, the incremental information may be supplemented to generate complete information of the SL TDD pattern, and the generated complete information of the SL TDD pattern is sent to the second terminal.
  • the first terminal may generate complete information or incremental information of the SL TDD pattern by itself.
  • the first terminal may generate the 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.
  • the first terminal may extract part of the complete information as incremental information of the SL TDD pattern, and send the incremental information to the second terminal .
  • the first terminal may generate the complete information of the SL TDD pattern based on the incremental information, and send the complete information to the second terminal.
  • the first terminal can send the complete information or incremental information of the SL TDD pattern to the second terminal when acquiring or generating the complete information of the SL TDD pattern; or, the first terminal can acquire or generate the complete information of the SL TDD pattern.
  • the incremental information of SL TDD pattern send the complete information or incremental information of SL TDD pattern to the second terminal to ensure that the second terminal can obtain all SL TDD pattern information and ensure that all SL resources can be used , Improve the utilization rate of SL resources in the terminal.
  • the step 101 may also include:
  • the first terminal can replace the target information in the SL TDD pattern information according to the SL TDD pattern information that has been sent to the second terminal, and then can supplement or update the SL TDD pattern information that has been sent .
  • the first terminal may send the replaced target information to the second terminal, or, after replacing the target information in the SL TDD pattern, send the SL including the replaced target information to the second terminal. TDD pattern information.
  • the target information includes at least one of the following:
  • the first terminal can obtain the SL TDD pattern information in the SL MIB sent to the second terminal, and replace the number of uplink time slots and/or the number of uplink symbols in the SL TDD pattern information.
  • the first terminal parses from the SL MIB sent to the second terminal that the number of uplink time slots is 52 and the number of uplink symbols is 4; the first terminal can replace the number of uplink time slots and the number of uplink symbols through PC5 RRC information. Let the replaced SL TDD pattern information be sent to the second terminal.
  • the first terminal can replace or update the SL TDD pattern information that has been sent to the second terminal, which improves the flexibility of the terminal for SL TDD pattern information transmission, and also ensures that all SL resources can be used, which improves the SL The utilization of resources in the terminal.
  • the step 101 may further include:
  • the incremental information sent by the first terminal to the second terminal is a supplement to the first SL TDD pattern information that has already been sent to the second terminal.
  • the increment information is at least one of the following:
  • the increment information includes at least one of the following:
  • the supplement to the existing first information of the first SL TDD pattern information may also be: assuming that the network device has sent two SL TDD patterns, but due to the limitation of the number of bits, the first terminal sends
  • the SL MIB sent by the second terminal may only indicate the available resources of one of the SL TDD patterns, and the incremental information sent by the first terminal to the second terminal may indicate the available resources of two SL TDD patterns; for example, the SL MIB may indicate If the number of available resources of the first SL TDD pattern is calculated, the increment information sent by the first terminal to the second terminal may indicate the number of available resources of the two SL TDD patterns.
  • the number of available time slots of the first SL TDD pattern indicated in the SL MIB sent by the first terminal to the second terminal is 10; the first terminal sends the SL TDD pattern increment information to the second terminal through PC5 RRC signaling, The increment information indicates that the number of available time slots of the first SL TDD pattern is 10, and the number of available time slots of the second SL TDD pattern is 12; then the SL resources that can be used by the second terminal are: 10 in the first SL TDD pattern Available time slots and resources corresponding to the 12 available time slots in the second SL TDD pattern.
  • the incremental information may also refer to information not included in the first SL TDD pattern information.
  • the SL MIB sent by the first terminal to the second terminal may indicate the number of resources available for the first SL TDD pattern, and the first terminal may further send incremental information to the second terminal, and the incremental information may indicate the second SL The number of resources available for TDD pattern.
  • the number of available time 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 can send the SL TDD pattern to the second terminal through PC5 RRC signaling.
  • Incremental information which indicates that the number of uplink time slots of the second SL TDD pattern is 12; then the SL resources that can be used by the second terminal are: 10 available time slots in the first SL TDD pattern and the second SL TDD Resources corresponding to the 12 available time slots in the pattern.
  • the first SL TDD pattern information obtained by the first terminal parsed 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 number of uplink time slots and the number of uplink symbols in the first SL TDD pattern information are supplemented to generate incremental information, where the incremental information is that the number of uplink time slots is 3 and the number of uplink symbols is 2, and the increase The amount information is sent to the second terminal; then, the SL resource that the second terminal can use is the resource corresponding to the number of uplink time slots being 55 and the number of uplink symbols being 6.
  • the incremental information of the SL TDD pattern sent by the first terminal to the second terminal may also be the addition of second information to the first SL TDD pattern, and the second information is not included in the first SL TDD pattern.
  • Contained information For example, if the SL TDD pattern information sent by the first terminal to the second terminal indicates that symbols 4 to 12 in a time slot are used for SL transmission, the first terminal may send the increment information of the SL TDD pattern to the second terminal. The amount information indicates that the starting position of the uplink symbol is 3, and the second terminal can actually transmit on symbols 3-13 in the time slot.
  • the first terminal sends the SL TDD pattern incremental information to the second terminal, so as to supplement the SL TDD pattern information that the first terminal has already sent, so that the first terminal can transfer all the SL TDD pattern information.
  • the TDD pattern information is sent to the second terminal to avoid the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, to ensure that all SL resources can be used, and to improve the utilization rate of the SL resources in the terminal.
  • the complete information of the SL TDD pattern includes at least one of the following:
  • SCS Subcarrier Space
  • At least one Time Division Duplex Uplink Downlink pattern (TDD UL DL pattern) configuration.
  • the complete information of the SL TDD pattern sent by the first terminal to the second terminal includes the SCS and/or at least one TDD UL DL pattern configuration.
  • the TDD UL DL pattern configuration includes at least one of the following:
  • Uplink and downlink transmission period (DL UL Transmission Period);
  • the TDD UL DL pattern configuration may be composed of an uplink and downlink transmission period, the number of downlink time slots, the number of downlink symbols, the number of uplink time slots, and the number of uplink symbols.
  • the first terminal sends the complete information of the SL TDD pattern to the second terminal through PC5 RRC signaling.
  • the first terminal may send the complete information of the SL TDD pattern to the second terminal through PC5 RRC signaling, or the second terminal actively requests SL resources or other SL resources from the first terminal After the information, the first terminal sends the complete information of the SL TDD pattern to the second terminal through PC5 RRC signaling.
  • 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.
  • the complete information of the SL TDD pattern may include subcarrier spacing (SCS), and/or at least one TDD UL DL pattern configuration; each TDD UL DL pattern configuration may be determined by the uplink and downlink transmission period (DL UL). Transmission Period), the number of downlink time slots (nrof Downlink Slots), the number of downlink symbols (nrof Downlink Symbols), the number of uplink time slots (nrof Uplink Slots), and the number of uplink symbols (nrof Uplink Symbols).
  • SCS subcarrier spacing
  • each TDD UL DL pattern configuration may be determined by the uplink and downlink transmission period (DL UL). Transmission Period), the number of downlink time slots (nrof Downlink Slots), the number of downlink symbols (nrof Downlink Symbols), the number of uplink time slots (nrof Uplink Slots), and the number of uplink symbols (nrof Uplink Symbols).
  • 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 itself.
  • the replacement method may be to replace the SL TDD pattern information in the SL MIB with a new: available time slot.
  • the available time slots may be: at least one of the number of uplink time slots (nrof Uplink Slots_new), the number of uplink symbols (nrof Uplink Symbols_new, for example, at least symbols X to X+Y-1 are time slots of uplink symbols), and so on.
  • the number of uplink time slots that the second terminal parses from the SL MIB sent by the first terminal is 52, and the number of uplink symbols is 4; the second terminal parses the number of uplink time slots obtained from the PC5 RRC signaling sent by the first terminal If the number is 55 and the number of uplink symbols is 6, the SL resources that can be used by the second terminal are: the number of uplink time slots is 55, the number of uplink symbols is 6, and the corresponding resource pool.
  • the first terminal combines the SL MIB broadcast configuration to send the SL TDD pattern incremental information to the second terminal through PC5 RRC signaling.
  • the first terminal sends the SL TDD pattern incremental information to the second terminal through PC5 RRC signaling; or, the second terminal actively requests SL resources or other SL information from the first terminal, and the first terminal uses PC5 RRC signaling Command to send the incremental information of the SL TDD pattern to the second terminal.
  • the incremental information of the SL TDD pattern is a supplement to the SL TDD pattern information in the SL MIB sent by the first terminal according to itself.
  • the supplementary method may be to add additional SL TDD pattern information in the SL MIB: number of TDD patterns, TDD pattern number, TDD pattern period, number of uplink slots (nrof Uplink Slots_delta), number of uplink symbols (nrof Uplink Symbols_delta) At least one of.
  • embodiment 1 The second terminal parses the number of uplink time slots from the SL MIB sent by the first terminal as 52, and the number of uplink symbols is 4; the second terminal parses it from the PC5 RRC signaling sent by the first terminal
  • the number of uplink time slots is 3 and the number of uplink symbols is 2, then the SL resources that the second terminal can use are: the number of uplink time slots is 55 (52+3), the number of uplink symbols is 6 (4+2), and the corresponding Resource pool.
  • the supplementary method may also be: assuming that the base station (or network device) provides two TDD patterns, but due to the limitation of the number of bits, the SL MIB may only indicate the available resources of one of the TDD patterns, increasing The information may indicate the available resources of two TDD patterns, or indicate the available resources of another TDD pattern (that is, the TDD pattern not indicated by the SL MIB).
  • the SL MIB may indicate the number of available resources in TDD pattern1
  • the increment information may indicate the number of available resources of two TDD patterns to the second terminal 2, or the number of available resources of TDD pattern2 to the second terminal.
  • embodiment 2 The second terminal parses the number of available time slots in TDD pattern1 from the SL MIB sent by the first terminal is 10; the second terminal obtains the uplink of TDD pattern2 from the PC5 RRC signaling sent by the first terminal If the number of time slots is 12, the SL resources that can be used by the second terminal are: the resource pool corresponding to the 10 available time slots in TDD pattern1 and the 12 available time slots in TDD pattern2.
  • Embodiment 3 The second terminal parses the number of available time slots in pattern1 from the SL MIB sent by the first terminal to be 10; the second terminal obtains the available time slots in TDD pattern1 from the PC5 RRC signaling sent by the first terminal The number of time slots is 10, and the number of uplink time slots of TDD pattern2 is 12, then the SL resources that the second terminal can use are: the resource pool corresponding to the 10 available time slots in TDD pattern1 and the 12 available time slots in TDD pattern2.
  • increment information of the SL TDD pattern may also include some information that is not included in the SL TDD configuration, such as the starting position of the uplink symbol and/or the number of uplink symbols.
  • the increment information indicates the starting position of the uplink symbol and/or the number of uplink symbols in some specific time slots, and the specific time slot is a time slot that contains uplink symbols that meet the requirements.
  • the second terminal of the covered user determines through pre-configuration that symbols 4-12 in a slot are used for SL transmission. If the first terminal passes The increment information of the SL TDD pattern informs the second terminal that the start position of the uplink symbol is symbol 3, and the second terminal can actually perform SL transmission on symbols 3 to 13 in the resource pool.
  • the SL TDD pattern is notified to users in coverage through a base station broadcast message, such as the first terminal, and the first terminal broadcasts the SL TDD pattern through the SL MIB.
  • the first terminal there is no need for the first terminal to calculate the complete information of the SL TDD pattern and the specific content of the incremental information of the SL TDD pattern, which are directly obtained from the base station broadcast message and forwarded to the second terminal.
  • the first terminal can send all the SL TDD pattern information to the second terminal, avoiding the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, so that the second terminal can obtain all the SL TDD
  • the pattern information ensures that all SL resources can be used, which improves the utilization of SL resources in the terminal.
  • the embodiment of the present invention also provides another information transmission method.
  • the information transmission method provided in the embodiment of the present invention is applied to a second terminal, and the second terminal does not specifically refer to a certain terminal or a certain type of terminal. Please refer to FIG. 2.
  • FIG. 2 is a flowchart of another information transmission method provided by an embodiment of the present invention. As shown in FIG. 2, the information transmission method includes the following steps:
  • Step 201 Receive complete information or incremental information of the SL TDD pattern sent by the first terminal.
  • the second terminal may first send SL request information to the first terminal, and then receive the complete information or incremental information of the SL TDD pattern sent by the first terminal in response to the SL request information.
  • the second terminal may receive the complete information or incremental information of the SL TDD pattern sent by the first terminal through PC5 RRC signaling, thereby effectively using the direct communication interface between the terminals for data transmission to ensure the second
  • the terminal can receive the complete information or incremental information of the SL TDD pattern sent by the first terminal to ensure that the SL resources can be used effectively.
  • the second terminal may also receive the complete information or incremental information of the SL TDD pattern sent by the first terminal through other interfaces or signaling, which is not limited in this embodiment.
  • the method further includes:
  • the step 201 includes:
  • the target information is different information in the complete information of the SL TDD pattern from the first SL TDD pattern information.
  • the target information includes at least one of the following:
  • the second terminal first receives the first SL TDD pattern information sent by the first terminal through the SL MIB, and can parse and obtain specific information parameters in the first SL TDD pattern information; when the second terminal receives the first SL TDD pattern information; In the case of the complete information of the SL TDD pattern sent by the terminal through PC5 RRC signaling, the second terminal parses and obtains the specific information parameters in the complete information of the SL TDD pattern, and compares it with the first SL TDD pattern information, if If there is target information different from the SL TDD pattern information in the complete information of the SL TDD pattern, the second terminal replaces it with the target information for data transmission.
  • the number of uplink time slots that the second terminal parses from the SL MIB sent by the first terminal is 52, and the number of uplink symbols is 4; the second terminal parses the number of uplink time slots obtained from the PC5 RRC signaling sent by the first terminal If the number is 55 and the number of uplink symbols is 6, the SL resources that can be used by the second terminal are: the number of uplink time slots is 55, the number of uplink symbols is 6, and the corresponding resource pool.
  • the second terminal after receiving the SL TDD pattern information sent by the first terminal, the second terminal can update or replace the SL resources based on the target information, so that the second terminal can use the latest SL resources and ensure the use of SL resources in the terminal Rate.
  • the second terminal can receive the complete information of the SL TDD pattern sent by the first terminal, or can receive the SL TDD sent by the first terminal even when the SL TDD pattern configuration capacity is large.
  • the incremental information of the pattern is used to supplement or replace the SL TDD pattern information.
  • the embodiment of the present invention also provides a terminal, and the terminal is a first terminal.
  • the terminal 300 includes:
  • the sending module 301 is configured to send complete information or incremental information of the SL TDD pattern of the secondary link time division multiplexing mode to the second terminal.
  • the sending module 301 is further configured to:
  • the terminal 300 further includes an acquisition module, and the acquisition module is configured to implement at least one of the following:
  • the sending module 301 is configured to implement at least one of the following:
  • the complete information of the SL TDD pattern includes at least one of the following:
  • At least one TDD UL DL pattern configuration for time division multiplexing uplink and downlink modes is provided.
  • the TDD UL DL pattern configuration includes at least one of the following:
  • the sending module 301 is further configured to:
  • the target information includes at least one of the following:
  • the sending module 301 is further configured to:
  • the increment information is at least one of the following:
  • the increment information includes at least one of the following:
  • the terminal 300 can implement each process of the embodiment of the information transmission method described in FIG. 1 and achieve the same technical effect. To avoid repetition, details are not described here.
  • the terminal 300 can send all the SL TDD pattern information to another terminal, avoiding the compression of the SL TDD pattern information caused by the large capacity of the SL TDD pattern configuration, so that the other terminal can obtain all the SL TDD.
  • the pattern information ensures that all SL resources can be used, and improves the utilization of SL resources in the terminal.
  • the embodiment of the present invention also provides a terminal, and the terminal is a second terminal.
  • the terminal 400 includes:
  • the receiving module 401 is configured to receive complete information or incremental information of the SL TDD pattern of the secondary link time division multiplexing mode sent by the first terminal.
  • the receiving module 401 is further configured to:
  • the target information is different information in the complete information of the SL TDD pattern from the first SL TDD pattern information.
  • the target information includes at least one of the following:
  • the terminal 400 can implement each process of the embodiment of the information transmission method described in FIG. 2 and achieve the same technical effect. In order to avoid repetition, details are not described herein again.
  • the terminal 400 can receive the complete information or incremental information of the SL TDD pattern sent by another terminal, which can avoid the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, and ensure that the terminal 400 can Obtain all SL TDD pattern information, ensure that all SL resources can be used, and improve the utilization of SL resources in the terminal.
  • the embodiment of the present invention also provides another terminal.
  • the terminal 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, processing 510, power supply 511 and other components.
  • the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components.
  • the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
  • the terminal 500 is a first terminal, and the radio frequency unit 501 is configured to:
  • the radio frequency unit 501 is also used for:
  • the radio frequency unit 501 is also used for:
  • the processor 510 is configured to generate complete information or incremental information of the SL TDD pattern.
  • the radio frequency unit 501 is further configured to implement at least one of the following:
  • the complete information of the SL TDD pattern includes at least one of the following:
  • At least one TDD UL DL pattern configuration for time division multiplexing uplink and downlink modes is provided.
  • the TDD UL DL pattern configuration includes at least one of the following:
  • the radio frequency unit 501 is also used for:
  • the target information includes at least one of the following:
  • the radio frequency unit 501 is also used for:
  • the increment information is at least one of the following:
  • the increment information includes at least one of the following:
  • the terminal 500 can implement all the technical features of the embodiment of the information transmission method described in FIG. 1 and achieve the same technical effect.
  • the terminal 500 can send all the SL TDD pattern information to another terminal, avoiding the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, so that the other terminal can obtain all the SL TDD pattern information to ensure that all the SL TDD pattern information is compressed.
  • SL resources can be used, which improves the utilization of SL resources in the terminal.
  • the terminal 500 may be a second terminal, where the radio frequency unit 501 is configured to:
  • the radio frequency unit 501 is also used for:
  • the target information is different information in the complete information of the SL TDD pattern from the first SL TDD pattern information.
  • the target information includes at least one of the following:
  • the terminal 500 can implement all the technical features of the embodiment of the information transmission method described in FIG. 2 and achieve the same technical effect.
  • the terminal 500 can receive the complete information or incremental information of the SL TDD pattern sent by another terminal, which can avoid the compression of the SL TDD pattern information caused by the large configuration capacity of the SL TDD pattern, and ensure that the terminal 500 can obtain all the SL TDD.
  • the pattern information ensures that all SL resources can be used, and improves the utilization of SL resources in the terminal.
  • the radio frequency unit 501 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; Uplink data is sent to the base station.
  • 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.
  • the radio frequency unit 501 can also communicate with the network and other devices through a wireless communication system.
  • the terminal 500 provides users with wireless broadband Internet access through the network module 502, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 503 can convert the 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 it as sound. Moreover, the audio output unit 503 may also provide audio output related to a specific function performed by the terminal 500 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 504 is used to receive audio or video signals.
  • the input unit 504 may include a graphics processing unit (GPU) 5041 and a microphone 5042.
  • the graphics processor 5041 is configured to monitor the still image or video image obtained by an image capture device (such as a camera) in the video capture mode or the image capture mode. Data is processed.
  • the processed image frame may be displayed on the display unit 506.
  • the image frame processed by the graphics processor 5041 may be stored in the memory 509 (or other computer-readable storage medium) or sent via the radio frequency unit 501 or the network module 502.
  • the microphone 5042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 501 for output in the case of a telephone call mode.
  • the terminal 500 further includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 5051 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 5051 and/or when the terminal 500 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal gestures (such as horizontal and vertical screen switching, related games, Magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 505 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared Sensors, etc., will not be repeated here.
  • the display unit 506 is used to display information input by the 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 (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 507 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal 500.
  • the user input unit 507 includes a touch panel 5071 and other input devices 5072.
  • the touch panel 5071 also known as a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 5071 or near the touch panel 5071. operate).
  • the touch panel 5071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 510, the command sent by the processor 510 is received and executed.
  • the touch panel 5071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 507 may also include other input devices 5072.
  • other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 5071 can be overlaid on the display panel 5051.
  • the touch panel 5071 detects a touch operation on or near it, it transmits it to the processor 510 to determine the type of touch event, and then the processor 510 determines the type of touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 5051.
  • the touch panel 5071 and the display panel 5051 are used as 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 can be integrated
  • the implementation of the input and output functions of the terminal 500 is not specifically limited here.
  • the interface unit 508 is an interface for connecting an external device to the terminal 500.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 508 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 500 or may be used to communicate between the terminal 500 and the external device. Transfer data between.
  • the memory 509 can be used to store software programs and various data.
  • the memory 509 may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 510 is the control center of the terminal 500, which uses various interfaces and lines to connect the various parts of the entire terminal 500, runs or executes software programs and/or modules stored in the memory 509, and calls data stored in the memory 509 , Perform various functions of the terminal 500 and process data, so as to monitor the terminal 500 as a whole.
  • the processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., and the modem
  • the processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 510.
  • the terminal 500 may also include a power source 511 (such as a battery) for supplying power to various components.
  • a power source 511 such as a battery
  • the power source 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. Function.
  • the terminal 500 includes some functional modules not shown, which will not be repeated here.
  • an embodiment of the present invention further provides a terminal, including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • a terminal including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • the computer program shown in FIG. 1 is implemented.
  • the various processes of the information transmission method embodiment described above can achieve the same technical effect; or, when the computer program is executed by the processor, the various processes of the information transmission method embodiment described in FIG. 2 can be implemented, and the same The technical effect, in order to avoid repetition, will not be repeated here.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, each process of the information transmission method embodiment described in FIG. 1 is implemented, and The same technical effect can be achieved; or, when the computer program is executed by the processor, each process of the information transmission method embodiment described in FIG. 2 can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk, etc.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

本发明提供一种信息传输方法及终端，其中，所述信息传输方法应用于终端，所述终端为第一终端，所述信息传输方法包括：向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。

Description

信息传输方法及终端
相关申请的交叉引用
本申请主张在2020年4月20日在中国提交的中国专利申请号No.202010314215.6的优先权，其全部内容通过引用包含于此。
技术领域
本发明涉及通信技术领域，尤其涉及一种信息传输方法及终端。
背景技术
一些通信系统(例如：5G NR系统)支持副链路(Sidelink，SL)传输。然而，目前这些通信系统中，5G NR系统信息中的副链路时分复用模式(Sidelink Time Division Duplex pattern，SL TDD pattern)配置超出了副链路主信息块(Sidelink Master Information Block，SL MIB)容量，因此终端在发送信号时会压缩SL MIB中的SL TDD pattern信息，导致部分SL资源无法被使用。
发明内容
本发明实施例提供一种信息传输方法及终端，以解决现有的终端在发送信号时会压缩SL MIB中的SL TDD pattern信息，导致部分SL资源无法被使用的问题。
为了解决上述技术问题，本发明是这样实现的：
第一方面，本发明实施例提供了一种信息传输方法，应用于第一终端，所述方法包括：
向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。
第二方面，本发明实施例还提供了一种信息传输方法，应用于第二终端，所述方法包括：
接收第一终端发送的副链路时分复用模式SL TDD pattern的完整信息或 增量信息。
第三方面，本发明实施例还提供了一种终端，所述终端为第一终端，所述终端包括：
发送模块，用于向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。
第四方面，本发明实施例还提供了一种终端，所述终端为第二终端，所述终端包括：
接收模块，用于接收第一终端发送的副链路时分复用模式SL TDD pattern的完整信息或增量信息。
第五方面，本发明实施例还提供了一种终端，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如第一方面中所述的信息传输方法的步骤；或者，所述计算机程序被所述处理器执行时实现如第二方面中所述的信息传输方法的步骤。
第六方面，本发明实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如第一方面中所述的信息传输方法的步骤；或者，所述计算机程序被所述处理器执行时实现如第二方面中所述的信息传输方法的步骤。
本发明实施例中，第一终端能够向第二终端发送SL TDD pattern的完整信息，或者即使在SL TDD pattern配置容量较大的情况下，也能够通过向第二终端发送SL TDD pattern的增量信息，以对向第二终端发送的SL TDD pattern信息进行补充或是替换。这样，也就使得第一终端能够将全部的SL TDD pattern信息发送给第二终端，避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，使得第二终端能够获得全部的SL TDD pattern信息，确保全部的SL资源能够被使用，提升了SL资源在终端的利用率。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅 是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种信息传输方法的流程图；
图2是本发明实施例提供的另一种信息传输方法的流程图；
图3是本发明实施例提供的一种终端的结构图；
图4是本发明实施例提供的另一种终端的结构图；
图5是本发明实施例提供的另一种终端的结构图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明的是，长期演进(Long Term Evolution，LTE)系统目前已经能够支持副链路(Sidelink，SL)，用于支持终端之间不通过网络设备直接进行数据传输。LTE Sidelink的设计适用于特定的公共安全事务(如火灾场所或地震等灾难场所进行紧急通讯)，或车联网(Vehicle To Everything，V2X)通信等。车联网通信包括各种业务，例如基本安全类通信、自动驾驶、编队、传感器扩展等等。由于LTE Sidelink只支持广播通信，因此主要用于基本安全类通信，其他在时延、可靠性等方面具有严格QoS需求的高级V2X业务将通过新无线电通信(New Radio，NR)Sidelink支持。
本发明实施例提供了一种信息传输方法，所述信息传输方法应用在NR通信系统中。需要说明的是，本发明实施例所提供的信息传输方法应用于第一终端，所述第一终端并非特指某一个或某一类终端，终端在一些场景下可以是作为第一终端实现本发明实施例的方案，在另一些场景下也可以是作为第二终端来实现本发明实施例的方案，对此不做限定。
请参见图1，图1是本发明实施例提供的一种信息传输方法的流程图，如图1所示，所述信息传输方法包括以下步骤：
步骤101、向第二终端发送SL TDD pattern的完整信息或增量信息。
需要说明地，所述副链路时分复用模式(Sidelink Time Division Duplex pattern，SL TDD pattern)的完整信息可以是指SL TDD pattern的全部信息；所述SL TDD pattern的增量信息可以是指SL TDD pattern的非全部信息，例如，所述SL TDD pattern的增量信息是SL TDD pattern的部分信息，或者是针对所述SL TDD pattern进行补充的信息，或者是对所述SL TDD pattern完整信息中的部分信息进行替换后的信息等。
本发明实施例中，第一终端能够向第二终端发送所述SL TDD pattern的完整信息或增量信息。
可选的，第一终端可以是在接收到网络设备发送的SL TDD pattern的完整信息后，将所述SL TDD pattern的完整信息发送给第二终端；或者，第一终端也可以是在接收到第二终端发送的SL请求信息后，基于预设算法生成SL TDD pattern的完整信息，并将所述SL TDD pattern的完整信息发送给第二终端；又或者，第一终端也可以是在接收到第二终端发送的SL请求信息后，第一终端根据自身发送的副链路主信息块(Sidelink Master Information Block，SL MIB)中的SL TDD pattern信息，向第二终端发送增量信息；等。
本发明实施例提供的技术方案，第一终端能够向第二终端发送SL TDD pattern的完整信息，或者即使在SL TDD pattern配置容量较大的情况下，也能够通过向第二终端发送SL TDD pattern的增量信息，以对向第二终端发送的SL TDD pattern信息进行补充或是替换。这样，也就使得第一终端能够将全部的SL TDD pattern信息发送给第二终端，避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，使得第二终端能够获得全部的SL TDD pattern信息，确保全部的SL资源能够被使用，提升了SL资源在终端的利用率。
可选的，第一终端可以是通过特定的接口或信令向第二终端发送所述SL TDD pattern的完整信息或增量信息。本实施例中，所述步骤101可以包括：
通过PC5无线资源控制(Radio Resource Control，RRC)信令向所述第二终端发送SL TDD pattern的完整信息或增量信息。
需要说明的是，PC5接口是在3GPP Rel-12的设备到设备(Device-to-Device，D2D)项目中引入的终端到终端的直接通信接口。邻近的终端可以在 近距离范围内通过直连链路进行数据传输的方式，不需要通过网络设备进行转发，也不需要通过传统的蜂窝链路进行终端间的信息传输。
本实施例中，第一终端通过PC5 RRC信令向第二终端发送所述SL TDD pattern的完整信息或增量信息，进而有效利用了终端之间的直接通信接口进行数据的传输，确保所述SL TDD pattern的完整信息或增量信息能够发送至第二终端，保障SL资源能够被有效使用。
当然，第一终端还可以是通过其他的接口或者是信令向第二终端发送SL TDD pattern的完整信息或增量信息，本实施例对此不做限定。
可选的，第一终端向第二终端发送所述SL TDD pattern的完整信息或增量信息之前，也即所述步骤101之前，还可以包括如下至少一项：
获取网络设备发送的所述SL TDD pattern的完整信息或增量信息；
接收所述第二终端发送的SL请求信息；
生成所述SL TDD pattern的完整信息或增量信息。
也就是说，第一终端可以是当处于上述三种情况中的至少一种时，向第二终端发送所述SL TDD pattern的完整信息或增量信息，以下将做具体说明：
在一种实施方式中，当第一终端接收到网络设备发送的SL TDD pattern的完整信息或增量信息时，则第一终端向第二终端发送所述SL TDD pattern的完整信息或增量信息，例如可以是通过PC5 RRC信令发送。第一终端可以是将接收到的所述SL TDD pattern的完整信息或增量信息发送给第二终端；或者，第一终端也可以是在接收到的SL TDD pattern的完整信息时，向第二终端发送SL TDD pattern的增量信息；或者第一终端在接收到SL TDD pattern的增量信息时，向第二终端发送SL TDD pattern的完整信息。
在另一种实施方式中，当第一终端接收到第二终端发送的SL信息请求时，则向第二终端发送SL TDD pattern的完整信息或增量信息。例如，第二终端主动向第一终端请求SL资源或其他SL信息，而向第一终端发送SL请求信息，第一终端响应于所述SL请求信息，向第二终端发送SL TDD pattern的完整信息；或者，第一终端根据自身发送的SL MIB中的SL TDD pattern信息，向第二终端发送SL TDD pattern的增量信息。
在又一种实施方式中，第一终端生成SL TDD pattern的完整信息或增量 信息，并将所述SL TDD pattern的完整信息或增量信息发送给第二终端。这种实施方式中，第一终端能够在没有接收到第二终端发送的SL请求信息，也没有接收到网络设备发送的SL TDD pattern的完整信息或增量信息的情况下，基于预设算法生成SL TDD pattern的完整信息或增量信息，并发送给第二终端。
在又一种实施方式中，第一终端可以是在接收到第二终端发送的SL请求信息的情况下，生成SL TDD pattern的完整信息，并将所述SL TDD pattern的完整信息发送给第二终端。或者，第一终端可以是在接收到第二终端发送的SL请求信息的情况下，生成SL TDD pattern的增量信息，并将所述SL TDD pattern的增量信息发送给第二终端。
在又一种实施方式中，第一终端可以是在获取到网络设备发送的SL TDD pattern的完整信息的情况下，生成SL TDD pattern的增量信息，并将所述增量信息发送给第二终端。或者，第一终端可以是在获取到网络设备发送的SL TDD pattern的增量信息的情况下，基于所述增量信息生成SL TDD pattern的完整信息，并将所述完整信息发送给第二终端。
需要说明的是，本发明实施例还包括其他的实施方式，以使得第一终端向第二终端发送SL TDD pattern的完整信息或增量信息，在此不做赘述。
本实施例中，所述步骤101可以包括如下至少一项：
获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述完整信息；
获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述SL TDD pattern的增量信息；
获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述增量信息；
获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述SL TDD pattern的完整信息。
也就是说，第一终端获取或生成SL TDD pattern的完整信息，可以是向第二终端发送所述完整信息，或者也可以是向第二终端发送SL TDD pattern的增量信息；第一终端获取或生成SL TDD pattern的增量信息，可以是向第 二终端发送所述增量信息，也可以是基于所述增量信息向第二终端发送SL TDD pattern的完整信息。以下将通过几种具体的实施方式进行说明：
在第一种可选的实施方式中，当第一终端获取到网络设备发送的SL TDD pattern的完整信息时，第一终端将获取到的所述SL TDD pattern的完整信息发送给第二终端；或者是当获取到网络设备发送的SL TDD pattern的增量信息时，将所述增量信息发送给第二终端。本实施方式中，第一终端不会对获取的SL TDD pattern的完整信息或增量信息做任何操作，相当于是将获取的SL TDD pattern的完整信息或增量信息转发给第二终端。
在第二种可选的实施方式中，当第一终端获取到网络设备发送的SL TDD pattern的完整信息时，第一终端能够根据获取的所述完整信息生成SL TDD pattern的增量信息，例如可以是提取所述完整信息中的部分信息以生成SL TDD pattern的增量信息，或是基于预设算法生成SL TDD pattern的增量信息，并将生成的SL TDD pattern的增量信息发送给第二终端。
在第三种可选的实施方式中，当第一终端获取到网络设备发送的SL TDD pattern的增量信息时，第一终端能够根据获取的所述增量信息生成SL TDD pattern的完整信息，例如可以是对所述增量信息进行补充以生成SL TDD pattern的完整信息，并将生成的所述SL TDD pattern的完整信息发送给第二终端。
当然，在第一终端向第二终端发送SL TDD pattern的完整信息或增量信息前，第一终端可以是自身生成SL TDD pattern的完整信息或增量信息。例如，第一终端可以是在接收到第二终端发送的SL请求信息时，生成SL TDD pattern的完整信息或增量信息，并将生成的所述SL TDD pattern的完整信息或增量信息发送给第二终端。或者，第一终端在生成SL TDD pattern的完整信息的情况下，可以是提取所述完整信息中的部分信息以作为SL TDD pattern的增量信息，并将所述增量信息发送给第二终端。或者，第一终端在生成SL TDD pattern的增量信息的情况下，可以是基于所述增量信息生成SL TDD pattern的完整信息，并将所述完整信息发送给第二终端。
本发明实施例中，第一终端能够在获取或生成SL TDD pattern的完整信息的情况下，向第二终端发送SL TDD pattern的完整信息或增量信息；或者， 第一终端能够在获取或生成SL TDD pattern的增量信息的情况下，向第二终端发送SL TDD pattern的完整信息或增量信息，进而以确保第二终端能够获得全部的SL TDD pattern信息，保障全部的SL资源能够被使用，提升了SL资源在终端的利用率。
可选的，所述步骤101还可以包括：
获取向所述第二终端发送的SL MIB中的SL TDD pattern信息，并对所述SL TDD pattern信息中的目标信息进行替换；
向所述第二终端发送替换后的SL TDD pattern信息。
可以理解地，第一终端能够根据已经向第二终端发送的SL TDD pattern信息，对所述SL TDD pattern信息中的目标信息进行替换，进而可以对已经发送的SL TDD pattern信息进行补充或者是更新。可选的，第一终端可以是向第二终端发送替换后的目标信息，或者，也可以是对SL TDD pattern中的目标信息进行替换后，向第二终端发送包括替换了的目标信息的SL TDD pattern信息。
其中，所述目标信息包括如下至少一项：
上行时隙数；
上行符号数。
也就是说，第一终端能够获取向第二终端发送的SL MIB中的SL TDD pattern信息，并对SL TDD pattern信息中的上行时隙数和/或上行符号数进行替换。例如，第一终端从向第二终端发送的SL MIB中解析到上行时隙数为52，上行符号数为4；第一终端能够对上行时隙数和上行符号数进行替换，通过PC5 RRC信令向第二终端发送替换后的SL TDD pattern信息，所述替换后的SL TDD pattern信息中，上行时隙数为55，上行符号数为6，那么，第二终端可以使用的SL资源也就是上行时隙数为55、上行符号数为6所对应的资源。这样，第一终端能够根据已经向第二终端发送的SL TDD pattern信息进行替换或者更新，提高了终端对于SL TDD pattern信息传输的灵活性，也确保了全部的SL资源能够被使用，提升了SL资源在终端的利用率。
可选的，本发明实施例中，所述步骤101还可以包括：
获取向所述第二终端发送的SL MIB中的第一SL TDD pattern信息，根 据所述第一SL TDD pattern信息生成增量信息，并向第二终端发送所述增量信息。
也就是说，第一种终端向第二终端发送的增量信息，是对已经向第二终端发送的第一SL TDD pattern信息的补充。可选的，所述增量信息为如下至少一项：
对所述第一SL TDD pattern信息已有的第一信息进行补充后得到的SL TDD pattern信息；
所述第一SL TDD pattern信息未包含的信息。
本发明实施例中，所述增量信息包括如下至少一项：
TDD pattern数量；
TDD pattern编号；
TDD pattern周期；
上行时隙数；
上行符号数；
上行符号起始位置。
在一种实施方式中，所述对第一SL TDD pattern信息已有的第一信息进行补充还可以是：假设网络设备发送了两个SL TDD pattern，但是由于比特数的限制，第一终端向第二终端发送的SL MIB中可能只指示其中一个SL TDD pattern的可用资源，则第一终端向第二终端发送的增量信息可以是指示两个SL TDD pattern的可用资源；例如SL MIB可能指示了第一SL TDD pattern的可用资源数目，则第一终端向第二终端发送的增量信息里可以指示两个SL TDD pattern的可用资源数目。
例如，第一终端向第二终端发送的SL MIB中指示的第一SL TDD pattern的可用时隙数为10；第一终端通过PC5 RRC信令向第二终端发送SL TDD pattern的增量信息，该增量信息中指示第一SL TDD pattern的可用时隙数为10，第二SL TDD pattern的可用时隙数为12；那么第二终端可以使用的SL资源为：第一SL TDD pattern中10个可用时隙和第二SL TDD pattern中12个可用时隙所对应的资源。
在另一种实施方式中，所述增量信息还可以是指第一SL TDD pattern信 息中未包含的信息。例如第一终端向第二终端发送的SL MIB可能指示了第一SL TDD pattern的可用资源数目，第一终端向第二终端可以进一步发送增量信息，所述增量信息可以是指示第二SL TDD pattern的可用资源数目。
例如实施例1，第一终端向第二终端发送的SL MIB中指示的第一SL TDD pattern的可用时隙数为10，第一终端可以通过PC5 RRC信令向第二终端发送SL TDD pattern的增量信息，该增量信息中指示第二SL TDD pattern的上行时隙数为12；那么第二终端可以使用的SL资源为：第一SL TDD pattern中10个可用时隙和第二SL TDD pattern中12个可用时隙所对应的资源。
或者如实施例2，第一终端从向第二终端发送的SL MIB中解析得到的第一SL TDD pattern信息包括：上行时隙数为52，上行符号数为4；第一终端可以信息对所述第一SL TDD pattern信息中已有的上行时隙数和上行符号数进行补充生成增量信息，所述增量信息为上行时隙数为3，上行符号数为2，并将所述增量信息发送给第二终端；那么，第二终端可以使用的SL资源为上行时隙数为55、上行符号数为6所对应的资源。
或者如实施例3，第一终端向第二终端发送的SL TDD pattern的增量信息还可以是在第一SL TDD pattern中添加第二信息，所述第二信息为第一SL TDD pattern中未包含的信息。例如，第一终端向第二终端发送的SL TDD pattern信息中指示一个时隙中符号4～12用于SL传输，第一终端可以向第二终端发送SL TDD pattern的增量信息，所述增量信息中指示上行符号起始位置为3，则第二终端实际上可以在时隙中符号3～13上传输。
本发明实施例中，第一终端通过向第二终端发送SL TDD pattern的增量信息，进而能够对第一终端已经发送的SL TDD pattern信息进行补充，也就使得第一终端能够将全部的SL TDD pattern信息发送给第二终端，避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，确保全部的SL资源能够被使用，提升了SL资源在终端的利用率。
需要说明的是，本发明实施例中，所述SL TDD pattern的完整信息包括如下至少一项：
子载波间隔(Subcarrier Space，SCS)；
至少一个时分复用上行下行模式(Time Division Duplex Uplink Downlink  pattern，TDD UL DL pattern)配置。
也就是说，第一终端向第二终端发送的SL TDD pattern的完整信息包括SCS和/或至少一个TDD UL DL pattern配置。其中，所述TDD UL DL pattern配置包括如下至少一项：
上下行传输周期(DL UL Transmission Periodicity)；
下行时隙数(nrof Downlink Slots)；
下行符号数(nrof Downlink Symbols)；
上行时隙数(nrof Uplink Slots)；
上行符号数(nrof Uplink Symbols)。
例如，所述TDD UL DL pattern配置可以是由上下行传输周期、下行时隙数、下行符号数、上行时隙数、上行符号数组成。
为更好地理解本发明实施例所提供的方案，以下将通过一个具体的实施例进行说明，本实施例包括以下两种实施方式：
第一种实施方式中，第一终端通过PC5 RRC信令向第二终端发送SL TDD pattern的完整信息。当第一终端与第二终端建立SL连接，第一终端可以是通过PC5 RRC信令向第二终端发送SL TDD pattern的完整信息，或者，第二终端主动向第一终端请求SL资源或其他SL信息后，第一终端通过PC5 RRC信令向第二终端发送SL TDD pattern的完整信息。
例如，所述SL TDD pattern的完整信息是第一终端从网络设备广播消息中直接获取并通过PC5 RRC信令转发。
可选的，所述SL TDD pattern的完整信息可包括子载波间隔(SCS)，和/或，至少一个TDD UL DL pattern配置；每个TDD UL DL pattern配置可以是由上下行传输周期(DL UL Transmission Periodicity)，下行时隙数(nrof Downlink Slots)，下行符号数(nrof Downlink Symbols)，上行时隙数(nrof Uplink Slots)，上行符号数(nrof Uplink Symbols)组成。
或者，所述SL TDD pattern的完整信息是第一终端根据自己发送的SL MIB中SL TDD pattern信息的替换。
所述替换的方法可以是将SL MIB中SL TDD pattern信息中替换为新的：可用时隙。可用时隙可为：上行时隙数(nrof Uplink Slots_new)，上行符号数 (nrof Uplink Symbols_new，例如至少符号X～X+Y-1为上行符号的时隙)，等中的至少一项。
例如：第二终端从第一终端发送的SL MIB中解析得到的上行时隙数为52，上行符号数为4；第二终端从第一终端发送的PC5 RRC信令中解析得到的上行时隙数为55，上行符号数为6，则第二终端可以使用的SL资源为：上行时隙数为55，上行符号数为6，所对应的资源池。
第二种实施方式中，第一终端结合SL MIB广播配置，通过PC5 RRC信令向第二终端发送SL TDD pattern的增量信息。
可选的，第一终端通过PC5 RRC信令向第二终端发送SL TDD pattern的增量信息；或者，第二终端主动向第一终端请求SL资源或其他SL信息，第一终端通过PC5 RRC信令向第二终端发送SL TDD pattern的增量信息。
具体地，所述SL TDD pattern的增量信息是第一终端根据自己发送的SL MIB中SL TDD pattern信息的补充。
所述补充的方法可以是在SL MIB中SL TDD pattern信息中额外增加：TDD pattern个数、TDD pattern编号、TDD pattern周期、上行时隙数(nrof Uplink Slots_delta)、上行符号数(nrof Uplink Symbols_delta)中的至少一项。
例如实施例1：第二终端从第一终端发送的SL MIB中解析得到的上行时隙数为52，上行符号数为4；第二终端从第一终端发送的PC5 RRC信令中解析得到的上行时隙数为3，上行符号数为2，则第二终端可以使用的SL资源为：上行时隙数为55(52+3)，上行符号数为6(4+2)，所对应的资源池。
另外，所述补充的方法还可以是：假设基站(或者说网络设备)提供了两个TDD pattern，但是由于比特数的限制，SL MIB可能只指示了其中某个TDD pattern的可用资源，增量信息里可以指示两个TDD pattern的可用资源，或者指示了另一个TDD pattern(即为SL MIB未指示的TDD pattern)的可用资源。例如SL MIB可能指示了TDD pattern1里的可用资源数目，增量信息里可以把两个TDD pattern的可用资源数目指示给第二终端2，或者把TDD pattern2的可用资源数目指示给第二终端。
例如实施例2：第二终端从第一终端发送的SL MIB中解析得到的TDD pattern1内的可用时隙数为10；第二终端从第一终端发送的PC5 RRC信令中 得到TDD patterrn2的上行时隙数为12，则第二终端可以使用的SL资源为：TDD pattern1中10个可用时隙和TDD pattern2中12个可用时隙所对应的资源池。
例如实施例3：第二终端从第一终端发送的SL MIB中解析得到的pattern1内的可用时隙数为10；第二终端从第一终端发送的PC5 RRC信令中得到TDD pattern1内的可用时隙数为10，TDD patterrn2的上行时隙数为12，则第二终端可以使用的SL资源为：TDD pattern1中10个可用时隙和TDD pattern2中12个可用时隙所对应的资源池。
需要说明的是，所SL TDD pattern的增量信息还可能包含SL TDD configuration没有包含的一些信息，例如上行符号起始位置和/或上行符号的个数。
可选地，增量信息指示的是某些特定时隙内的上行符号起始位置和/或上行符号的个数，该特定时隙为包含了满足要求的上行符号的时隙。
例如：第二终端的预配置中指示一个slot中符号4～12用于SL传输，则覆盖外用户第二终端通过预配置确定一个slot中符号4～12用于SL传输，若第一终端通过SL TDD pattern的增量信息告知第二终端上行符号的起始位置为符号3，则第二终端实际上可以在资源池内符号3～13上进行SL传输。
进一步地，本实施例中，还有一种可能的情况是通过基站广播消息将SL TDD pattern通知给覆盖内用户，例如第一终端，第一终端再通过SL MIB将SL TDD pattern广播出去。这样，不需要第一终端去计算SL TDD pattern的完整信息和SL TDD pattern的增量信息的具体内容，直接从基站广播消息中获取并转发给第二终端。
本实施例中，第一终端能够将全部的SL TDD pattern信息发送给第二终端，避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，使得第二终端能够获得全部的SL TDD pattern信息，确保全部的SL资源能够被使用，提升了SL资源在终端的利用率。
本发明实施例还提供了另一种信息传输方法，本发明实施例所提供的信息传输方法应用于第二终端，所述第二终端也并非特指某一个或某一类终端。请参见图2，图2是本发明实施例提供的另一种信息传输方法的流程图，如 图2所示，所述信息传输方法包括以下步骤：
步骤201、接收第一终端发送的SL TDD pattern的完整信息或增量信息。
需要说明的是，第二终端可以是先向第一终端发送SL请求信息，进而接收第一终端响应所述SL请求信息而发送的SL TDD pattern的完整信息或增量信息。
可选的，第二终端可以是通过PC5 RRC信令接收第一终端发送的SL TDD pattern的完整信息或增量信息，进而有效利用了终端之间的直接通信接口进行数据的传输，确保第二终端能够接收第一终端发送的所述SL TDD pattern的完整信息或增量信息，保障SL资源能够被有效使用。当然，第二终端还可以是通过其他的接口或者是信令接收第一终端发送的SL TDD pattern的完整信息或增量信息，本实施例对此不做限定。
可选的，所述步201之前，所述方法还包括：
接收第一终端通过SL MIB发送的第一SL TDD pattern信息；
所述步骤201，包括：
接收第一终端通过PC5 RRC信令发送的SL TDD pattern的完整信息，并获取所述SL TDD pattern的完整信息中的目标信息；
其中，所述目标信息为所述SL TDD pattern的完整信息中与所述第一SL TDD pattern信息中不同的信息。
可选的，所述目标信息包括如下至少一项：
上行时隙数；
上行符号数。
本实施例中，第二终端先接收了第一终端通过SL MIB发送的第一SL TDD pattern信息，并能够解析获取第一SL TDD pattern信息中的具体信息参数；当第二终端接收到第一终端通过PC5 RRC信令发送的SL TDD pattern的完整信息的情况下，第二终端解析获取所述SL TDD pattern的完整信息中的具体信息参数，并与第一SL TDD pattern信息进行比对，若所述SL TDD pattern的完整信息中存在与SL TDD pattern信息不同的目标信息，则第二终端替换为使用目标信息进行数据传输。
例如，第二终端从第一终端发送的SL MIB中解析得到的上行时隙数为 52，上行符号数为4；第二终端从第一终端发送的PC5 RRC信令中解析得到的上行时隙数为55，上行符号数为6，则第二终端可以使用的SL资源为：上行时隙数为55，上行符号数为6，所对应的资源池。
这样，第二终端在接收到第一终端发送的SL TDD pattern信息后，能够基于目标信息对SL资源进行更新或者替换，以使得第二终端能够使用最新的SL资源，确保SL资源在终端的利用率。
本发明实施例提供的技术方案，第二终端能够接收第一终端发送的SL TDD pattern的完整信息，或者即使在SL TDD pattern配置容量较大的情况下，也能够接收第一终端发送的SL TDD pattern的增量信息，以对SL TDD pattern信息进行补充或是替换。这样，也就能够避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，确保第二终端能够获得全部的SL TDD pattern信息，保障全部的SL资源能够被使用，提升了SL资源在终端的利用率。
本发明实施例还提供了一种终端，所述终端为第一终端。请参见图3，所述终端300包括：
发送模块301，用于向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。
可选的，所述发送模块301还用于：
通过PC5无线资源控制RRC信令向所述第二终端发送SL TDD pattern的完整信息或增量信息。
可选的，所述终端300还包括获取模块，所述获取模块用于实现如下至少一项：
获取网络设备发送的所述SL TDD pattern的完整信息或增量信息；
接收所述第二终端发送的SL请求信息；
生成所述SL TDD pattern的完整信息或增量信息。
可选的，所述发送模块301用于实现如下至少一项：
获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述完整信息；
获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述 SL TDD pattern的增量信息；
获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述增量信息；
获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述SL TDD pattern的完整信息。
可选的，所述SL TDD pattern的完整信息包括如下至少一项：
子载波间隔SCS；
至少一个时分复用上行下行模式TDD UL DL pattern配置。
可选的，所述TDD UL DL pattern配置包括如下至少一项：
上下行传输周期；
下行时隙数；
下行符号数；
上行时隙数；
上行符号数。
可选的，所述发送模块301还用于：
获取向所述第二终端发送的副链路主信息块SL MIB中的SL TDD pattern信息，并对所述SL TDD pattern信息中的目标信息进行替换；
向所述第二终端发送替换后的SL TDD pattern信息。
可选的，所述目标信息包括如下至少一项：
上行时隙数；
上行符号数。
可选的，所述发送模块301还用于：
获取向所述第二终端发送的SL MIB中的第一SL TDD pattern信息，根据所述第一SL TDD pattern信息生成增量信息，并向第二终端发送所述增量信息。
可选的，所述增量信息为如下至少一项：
对所述第一SL TDD pattern信息已有的第一信息进行补充后得到的SL TDD pattern信息；
所述第一SL TDD pattern信息未包含的信息。
可选的，所述增量信息包括如下至少一项：
TDD pattern数量；
TDD pattern编号；
TDD pattern周期；
上行时隙数；
上行符号数；
上行符号起始位置。
需要说明的是，终端300能够实现图1所述的信息传输方法实施例的各个过程，并能达到相同的技术效果，为避免重复，这里不再赘述。
本实施例提中，终端300能够将全部的SL TDD pattern信息发送给另一终端，避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，使得另一终端能够获得全部的SL TDD pattern信息，确保全部的SL资源能够被使用，提升了SL资源在终端的利用率。
本发明实施例还提供了一种终端，所述终端为第二终端。请参见图4，所述终端400包括：
接收模块401，用于接收第一终端发送的副链路时分复用模式SL TDD pattern的完整信息或增量信息。
可选的，所述接收模块401还用于：
接收第一终端通过副链路主信息块SL MIB发送的第一SL TDD pattern信息；
接收第一终端通过PC5无线资源控制RRC信令发送的SL TDD pattern的完整信息，并获取所述SL TDD pattern的完整信息中的目标信息；
其中，所述目标信息为所述SL TDD pattern的完整信息中与所述第一SL TDD pattern信息中不同的信息。
可选的，所述目标信息包括如下至少一项：
上行时隙数；
上行符号数。
需要说明的是，终端400能够实现图2所述的信息传输方法实施例的各个过程，并能达到相同的技术效果，为避免重复，这里不再赘述。
本实施例中，终端400能够接收另一终端发送的SL TDD pattern的完整信息或增量信息，也就能够避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，确保终端400能够获得全部的SL TDD pattern信息，保障全部的SL资源能够被使用，提升了SL资源在终端的利用率。
本发明实施例还提供了另一种终端。如图5所示，终端500包括但不限于：射频单元501、网络模块502、音频输出单元503、输入单元504、传感器505、显示单元506、用户输入单元507、接口单元508、存储器509、处理器510、以及电源511等部件。本领域技术人员可以理解，图5中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本发明实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
在一种可选的实施方式中，所述终端500为第一终端，其中，射频单元501，用于：
向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。
可选的，所述射频单元501还用于：
通过PC5无线资源控制RRC信令向所述第二终端发送SL TDD pattern的完整信息或增量信息。
可选的，所述射频单元501还用于：
获取网络设备发送的所述SL TDD pattern的完整信息或增量信息；和/或，
接收所述第二终端发送的SL请求信息；和/或，
处理器510用于：生成所述SL TDD pattern的完整信息或增量信息。
可选的，射频单元501，还用于实现如下至少一项：
获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述完整信息；
获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述SL TDD pattern的增量信息；
获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述 增量信息；
获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述SL TDD pattern的完整信息。
可选的，所述SL TDD pattern的完整信息包括如下至少一项：
子载波间隔SCS；
至少一个时分复用上行下行模式TDD UL DL pattern配置。
可选的，所述TDD UL DL pattern配置包括如下至少一项：
上下行传输周期；
下行时隙数；
下行符号数；
上行时隙数；
上行符号数。
可选的，射频单元501，还用于：
获取向所述第二终端发送的副链路主信息块SL MIB中的SL TDD pattern信息，并对所述SL TDD pattern信息中的目标信息进行替换；
向所述第二终端发送替换后的SL TDD pattern信息。
可选的，所述目标信息包括如下至少一项：
上行时隙数；
上行符号数。
可选的，射频单元501，还用于：
获取向所述第二终端发送的SL MIB中的第一SL TDD pattern信息，根据所述第一SL TDD pattern信息生成增量信息，并向第二终端发送所述增量信息。
可选的，所述增量信息为如下至少一项：
对所述第一SL TDD pattern信息已有的第一信息进行补充后得到的SL TDD pattern信息；
所述第一SL TDD pattern信息未包含的信息。
可选的，所述增量信息包括如下至少一项：
TDD pattern数量；
TDD pattern编号；
TDD pattern周期；
上行时隙数；
上行符号数；
上行符号起始位置。
本实施方式中，终端500能够实现图1所述的信息传输方法实施例的全部技术特征，并能达到相同的技术效果。终端500能够将全部的SL TDD pattern信息发送给另一终端，避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，使得另一终端能够获得全部的SL TDD pattern信息，确保全部的SL资源能够被使用，提升了SL资源在终端的利用率。
在另一种实施方式中，所述终端500可以为第二终端，其中，射频单元501，用于：
接收第一终端发送的副链路时分复用模式SL TDD pattern的完整信息或增量信息。
可选的，射频单元501，还用于：
接收第一终端通过副链路主信息块SL MIB发送的第一SL TDD pattern信息；
接收第一终端通过PC5无线资源控制RRC信令发送的SL TDD pattern的完整信息，并获取所述SL TDD pattern的完整信息中的目标信息；
其中，所述目标信息为所述SL TDD pattern的完整信息中与所述第一SL TDD pattern信息中不同的信息。
可选的，所述目标信息包括如下至少一项：
上行时隙数；
上行符号数。
本实施方式中，终端500能够实现图2所述的信息传输方法实施例的全部技术特征，并能达到相同的技术效果。终端500能够接收另一终端发送的SL TDD pattern的完整信息或增量信息，也就能够避免因SL TDD pattern配置容量较大而导致的SL TDD pattern信息压缩，确保终端500能够获得全部的SL TDD pattern信息，保障全部的SL资源能够被使用，提升了SL资源在 终端的利用率。
应理解的是，本发明实施例中，射频单元501可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器510处理；另外，将上行的数据发送给基站。通常，射频单元501包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元501还可以通过无线通信系统与网络和其他设备通信。
终端500通过网络模块502为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元503可以将射频单元501或网络模块502接收的或者在存储器509中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元503还可以提供与终端500执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元503包括扬声器、蜂鸣器以及受话器等。
输入单元504用于接收音频或视频信号。输入单元504可以包括图形处理器(Graphics Processing Unit，GPU)5041和麦克风5042，图形处理器5041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图像或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元506上。经图形处理器5041处理后的图像帧可以存储在存储器509(或其它计算机可读存储介质)中或者经由射频单元501或网络模块502进行发送。麦克风5042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元501发送到移动通信基站的格式输出。
终端500还包括至少一种传感器505，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板5051的亮度，接近传感器可在终端500移动到耳边时，关闭显示面板5051和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感 器505还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元506用于显示由用户输入的信息或提供给用户的信息。显示单元506可包括显示面板5051，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板5051。
用户输入单元507可用于接收输入的数字或字符信息，以及产生与终端500的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元507包括触控面板5071以及其他输入设备5072。触控面板5071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板5071上或在触控面板5071附近的操作)。触控面板5071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器510，接收处理器510发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板5071。除了触控面板5071，用户输入单元507还可以包括其他输入设备5072。具体地，其他输入设备5072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板5071可覆盖在显示面板5051上，当触控面板5071检测到在其上或附近的触摸操作后，传送给处理器510以确定触摸事件的类型，随后处理器510根据触摸事件的类型在显示面板5051上提供相应的视觉输出。虽然在图5中，触控面板5071与显示面板5051是作为两个独立的部件来实现终端500的输入和输出功能，但是在某些实施例中，可以将触控面板5071与显示面板5051集成而实现终端500的输入和输出功能，具体此处不做限定。
接口单元508为外部装置与终端500连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输 出(I/O)端口、视频I/O端口、耳机端口等等。接口单元508可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端500内的一个或多个元件或者可以用于在终端500和外部装置之间传输数据。
存储器509可用于存储软件程序以及各种数据。存储器509可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器509可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器510是终端500的控制中心，利用各种接口和线路连接整个终端500的各个部分，通过运行或执行存储在存储器509内的软件程序和/或模块，以及调用存储在存储器509内的数据，执行终端500的各种功能和处理数据，从而对终端500进行整体监控。处理器510可包括一个或多个处理单元；优选的，处理器510可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器510中。
终端500还可以包括给各个部件供电的电源511(比如电池)，优选的，电源511可以通过电源管理系统与处理器510逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端500包括一些未示出的功能模块，在此不再赘述。
可选的，本发明实施例还提供一种终端，包括处理器，存储器，存储在存储器上并可在所述处理器上运行的计算机程序，该计算机程序被处理器执行时实现上述图1所述的信息传输方法实施例的各个过程，且能达到相同的技术效；或者，该计算机程序被处理器执行时实现上述图2所述的信息传输方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本发明实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现上述图1所述的信息 传输方法实施例的各个过程，且能达到相同的技术效果；或者，该计算机程序被处理器执行时实现上述图2所述的信息传输方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本发明各个实施例所述的方法。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (28)

  1. 一种信息传输方法，应用于第一终端，所述方法包括：
    向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。
  2. 根据权利要求1所述的方法，其中，所述向第二终端发送SL TDD pattern的完整信息或增量信息，包括：
    通过PC5无线资源控制RRC信令向所述第二终端发送SL TDD pattern的完整信息或增量信息。
  3. 根据权利要求1所述的方法，其中，所述向第二终端发送SL TDD pattern的完整信息或增量信息之前，还包括如下至少一项：
    获取网络设备发送的所述SL TDD pattern的完整信息或增量信息；
    接收所述第二终端发送的SL请求信息；
    生成所述SL TDD pattern的完整信息或增量信息。
  4. 根据权利要求1所述的方法，其中，所述向第二终端发送SL TDD pattern的完整信息或增量信息，包括如下至少一项：
    获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述完整信息；
    获取或生成所述SL TDD pattern的完整信息，向所述第二终端发送所述SL TDD pattern的增量信息；
    获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述增量信息；
    获取或生成所述SL TDD pattern的增量信息，向所述第二终端发送所述SL TDD pattern的完整信息。
  5. 根据权利要求1所述的方法，其中，所述SL TDD pattern的完整信息包括如下至少一项：
    子载波间隔SCS；
    至少一个时分复用上行下行模式TDD UL DL pattern配置。
  6. 根据权利要求5所述的方法，其中，所述TDD UL DL pattern配置包 括如下至少一项：
    上下行传输周期；
    下行时隙数；
    下行符号数；
    上行时隙数；
    上行符号数。
  7. 根据权利要求1所述的方法，其中，所述向第二终端发送SL TDD pattern的完整信息或增量信息，包括：
    获取向所述第二终端发送的SL MIB中的SL TDD pattern信息，并对所述SL TDD pattern信息中的目标信息进行替换；
    向所述第二终端发送替换后的SL TDD pattern信息。
  8. 根据权利要求7所述的方法，其中，所述目标信息包括如下至少一项：
    上行时隙数；
    上行符号数。
  9. 根据权利要求1所述的方法，其中，所述向第二终端发送SL TDD pattern的完整信息或增量信息，包括：
    获取通过副链路主信息块SL MIB向所述第二终端发送的第一SL TDD pattern信息，根据所述第一SL TDD pattern信息生成增量信息，并向所述第二终端发送所述增量信息。
  10. 根据权利要求9所述的方法，其中，所述增量信息为如下至少一项：
    对所述第一SL TDD pattern信息已有的第一信息进行补充后得到的SL TDD pattern信息；
    所述第一SL TDD pattern信息未包含的信息。
  11. 根据权利要求9或10所述的方法，其中，所述增量信息包括如下至少一项：
    TDD pattern数量；
    TDD pattern编号；
    TDD pattern周期；
    上行时隙数；
    上行符号数；
    上行符号起始位置。
  12. 一种信息传输方法，应用于第二终端，所述方法包括：
    接收第一终端发送的副链路时分复用模式SL TDD pattern的完整信息或增量信息。
  13. 根据权利要求12所述的方法，其中，所述接收第一终端发送的SL TDD pattern的完整信息或增量信息之前，还包括：
    接收第一终端通过副链路主信息块SL MIB发送的第一SL TDD pattern信息；
    所述接收第一终端发送的SL TDD pattern的完整信息或增量信息，包括：
    接收第一终端通过PC5无线资源控制RRC信令发送的SL TDD pattern的完整信息，并获取所述SL TDD pattern的完整信息中的目标信息；
    其中，所述目标信息为所述SL TDD pattern的完整信息中与所述第一SL TDD pattern信息中不同的信息。
  14. 根据权利要求13所述的方法，其中，所述目标信息包括如下至少一项：
    上行时隙数；
    上行符号数。
  15. 一种终端，所述终端为第一终端，所述终端包括：
    发送模块，用于向第二终端发送副链路时分复用模式SL TDD pattern的完整信息或增量信息。
  16. 根据权利要求15所述的终端，其中，所述发送模块还用于：
    通过PC5无线资源控制RRC信令向所述第二终端发送SL TDD pattern的完整信息或增量信息。
  17. 根据权利要求15所述的终端，其中，所述发送模块还用于：
    获取向所述第二终端发送的副链路主信息块SL MIB中的SL TDD pattern信息，并对所述SL TDD pattern信息中的目标信息进行替换；
    向所述第二终端发送替换后的SL TDD pattern信息。
  18. 根据权利要求17所述的终端，其中，所述目标信息包括如下至少一 项：
    上行时隙数；
    上行符号数。
  19. 根据权利要求15所述的终端，其中，所述发送模块还用于：
    获取通过副链路主信息块SL MIB向所述第二终端发送的第一SL TDD pattern信息，根据所述第一SL TDD pattern信息生成增量信息，并向所述第二终端发送所述增量信息。
  20. 根据权利要求19所述的终端，其中，所述增量信息为如下至少一项：
    对所述第一SL TDD pattern信息已有的第一信息进行补充后得到的SL TDD pattern信息；
    所述第一SL TDD pattern信息未包含的信息。
  21. 根据权利要求19或20所述的终端，其中，所述增量信息包括如下至少一项：
    TDD pattern数量；
    TDD pattern编号；
    TDD pattern周期；
    上行时隙数；
    上行符号数；
    上行符号起始位置。
  22. 一种终端，所述终端为第二终端，所述终端包括：
    接收模块，用于接收第一终端发送的副链路时分复用模式SL TDD pattern的完整信息或增量信息。
  23. 根据权利要求22所述的终端，其中，所述接收模块还用于：
    接收第一终端通过副链路主信息块SL MIB发送的第一SL TDD pattern信息；
    接收第一终端通过PC5无线资源控制RRC信令发送的SL TDD pattern的完整信息，并获取所述SL TDD pattern的完整信息中的目标信息；
    其中，所述目标信息为所述SL TDD pattern的完整信息中与所述第一SL TDD pattern信息中不同的信息。
  24. 根据权利要求23所述的终端，其中，所述目标信息包括如下至少一项：
    上行时隙数；
    上行符号数。
  25. 一种终端，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1-11中任一项所述的信息传输方法的步骤；或者，所述计算机程序被所述处理器执行时实现如权利要求12-14中任一项所述的信息传输方法的步骤。
  26. 一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1-11中任一项所述的信息传输方法的步骤；或者，所述计算机程序被所述处理器执行时实现如权利要求12-14中任一项所述的信息传输方法的步骤。
  27. 一种计算机程序产品，所述计算机程序产品被至少一个处理器执行以实现如权利要求1-11中任一项所述的信息传输方法，或者如权利要求12-14中任一项所述的信息传输方法。
  28. 一种终端，被配置成用于执行如权利要求1-11中任一项所述的信息传输方法，或者如权利要求12-14中任一项所述的信息传输方法。
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