WO2021160093A1 - 旁链路传输控制方法、发送终端和接收终端 - Google Patents
旁链路传输控制方法、发送终端和接收终端 Download PDFInfo
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- WO2021160093A1 WO2021160093A1 PCT/CN2021/076039 CN2021076039W WO2021160093A1 WO 2021160093 A1 WO2021160093 A1 WO 2021160093A1 CN 2021076039 W CN2021076039 W CN 2021076039W WO 2021160093 A1 WO2021160093 A1 WO 2021160093A1
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Definitions
- the present invention relates to the field of communication technology, in particular to a side link transmission control method, a sending terminal and a receiving terminal.
- the terminal can independently select transmission resources based on channel monitoring. Due to the inaccuracy of the terminal’s channel monitoring results and the randomness of the terminal’s resource selection, the transmission resources selected by multiple transmitting terminals (TX UE) may collide, which makes the receiving terminal (RX UE) unable to Demodulate the TX UE signal.
- the embodiment of the present invention provides a side link transmission control method, a sending terminal and a receiving terminal to solve the technical problems existing in the prior art.
- the present invention is implemented as follows:
- a first operation is performed, and the first operation includes at least one of resource reselection, modulation and coding scheme MCS adjustment, and power adjustment.
- an embodiment of the present invention provides a side link transmission control method, which is applied to a receiving terminal, and the method includes:
- an embodiment of the present invention provides a computer software product, the computer software product is stored in a non-volatile storage medium, and the software product is configured to be executed by at least one processor to implement the implementation of the present invention.
- FIG. 9 is a flowchart of a side link transmission control method applied to a receiving terminal according to an embodiment of the present invention.
- FIG. 12 is a schematic diagram of the hardware structure of a sending terminal according to an embodiment of the present invention.
- words such as “exemplary” or “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
- the wireless communication system may be a fifth-generation (5 th Generation, 5G) systems, Long Term Evolution or Evolved (Evolved Long Term Evolution, eLTE) system, or subsequent evolution of communication systems.
- 5G fifth-generation
- eLTE Evolved Long Term Evolution
- Fig. 1 is a structural diagram of a network system provided by an embodiment of the present invention. As shown in Fig. 1, it includes a transmitting terminal 11 and a receiving terminal 12.
- the transmitting terminal 11 may also be called a TX UE or a transmitting node, and the transmitting terminal 11 It can be a mobile communication device, for example, it can be a vehicle terminal, a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer), a personal digital assistant (PDA), and a mobile Internet device (Mobile Internet Device). , MID) or Wearable Device (Wearable Device), etc.
- the specific type of the sending terminal 11 is not limited in the embodiment of the present invention.
- the network system provided by the embodiment of the present invention is an SL network system, and the SL may be referred to as a side link, a secondary link, a side link, a side link, a direct communication link, and the like.
- one RX UE can perform SL transmission with at least one TX UE.
- TX UE For example, in NR V2X (Vehicle to Everything, Internet of Vehicles) as shown in Figure 2, one RX UE (UE-A) can communicate with two TX UE (UE-B and UE-C) performs SL transmission.
- UE-A Vehicle to Everything, Internet of Vehicles
- Scenario 2 Due to the defect of the channel monitoring mechanism, when the TX UE performs channel monitoring, it may not be able to monitor the information sent by some other TX UEs, but only the RX UE can monitor the information sent by the TX UE, for example, when there is hidden When it is a node, the TX UE cannot monitor the information sent by the hidden node, but only the RX UE can monitor the information sent by the hidden node. In this case, the TX UE will have a greater probability of selecting the resources occupied by the hidden node, causing resource collisions. For example, in Figure 4, UE-C is blocked by a building.
- the sending terminal may perform any one of the foregoing operations, or may perform any multiple of the foregoing operations.
- the sending terminal can decide the operation performed by itself, or decide the operation performed based on the rules predefined by the protocol, or decide the operation performed based on the rules configured by the control node, or decide the operation performed based on the pre-configured rules .
- the first operation is performed.
- the receiving terminal is located within the effective communication range:
- the sending terminal can judge whether the resource reselection trigger condition is satisfied according to the HARQ feedback condition of the receiving terminal.
- the sending terminal can judge whether the resource collision occurs according to the HARQ feedback situation of the receiving terminal, so as to determine whether the resource reselection trigger condition is satisfied.
- the receiving terminal can determine whether the resources of the sending terminal collide based on the channel monitoring result.
- the following describes an implementation manner for judging whether the resource reselection trigger condition is satisfied in the side link transmission based on HARQ feedback.
- the sending terminal can determine whether the receiving terminal can successfully receive data according to the feedback of the receiving terminal. If the receiving terminal cannot successfully receive the data, it is more likely to be It is caused by the resource collision of the sending terminal. In view of this, the sending terminal can determine whether a resource collision occurs according to the HARQ feedback situation of the receiving terminal, and then determine whether the resource reselection trigger condition is satisfied.
- K continuous DTXs or NACKs for the initial transmission of a TB are detected, and the K is greater than or equal to the fifth threshold, or the total number of TBs corresponding to the K continuous DTXs or NACKs for the initial transmission of the TB is greater than Or equal to the sixth threshold;
- the P is greater than or equal to the seventh threshold, or the total number of TBs corresponding to the P DTX or NACK in the time window for the initial transmission of TB is greater than Or equal to the eighth threshold.
- time window may include parameters such as the start position of the time window and the length of the time window.
- the time window may be specified by the protocol, may also be configured by the control node, or may be pre-configured.
- the time when the transmitting terminal detects DTX or NACK may be used as the starting position of the above-mentioned time window.
- the DTX includes at least one of the following:
- DTXs or NACKs may also be DTXs or NACKs transmitted on aperiodic reserved resources.
- the aperiodic reserved resources can be resources reserved by the "time domain resource indicator field".
- the multiple DTX or NACKs in the time window can be DTX or NACK transmitted on periodically reserved resources, or DTX or NACK transmitted on non-periodically reserved resources, and may also include periodically reserved resources.
- the DTX or NACK transmitted on the uplink also includes the DTX or NACK transmitted on the non-periodically reserved resources, and may also be the DTX or NACK transmitted on the same SCI reserved resource.
- the transmitting terminal detects DTX, which may be caused by resource collision of the transmitting terminal, or it may be caused by the receiving terminal being outside the effective communication range.
- DTX which may be caused by resource collision of the transmitting terminal, or it may be caused by the receiving terminal being outside the effective communication range.
- the sending terminal needs to further determine whether the receiving terminal is within the effective communication range, so as to exclude the receiving terminal from being in effective communication. Factors outside the scope.
- the corresponding optional implementation is as follows:
- the sending terminal judges whether the resource reselection trigger condition is satisfied according to the feedback situation of the receiving terminal;
- the first operation is performed.
- the receiving terminal is located within the effective communication range:
- the sending terminal receives the reverse information of the receiving terminal
- the distance between the sending terminal and the receiving terminal is less than or equal to a ninth threshold
- the information transmission energy of the receiving terminal is greater than or equal to the tenth threshold.
- the transmitting terminal can receive the reverse information transmission of the receiving terminal, for example, PSCCH, PSSCH, or PSFCH transmission from RX UE to TX UE, it can indicate that the receiving terminal is within the effective communication range.
- the ninth threshold can be specified by the protocol, can also be configured by the control node, or pre-configured, which can indicate that the receiving terminal is within the effective communication range.
- the receiving terminal If the information transmission energy of the receiving terminal is greater than or equal to the tenth threshold, for example, the receiving terminal's Reference Signal Received Power (RSRP), Received Signal Strength Indication (RSSI), and Reference Signal Received Quality (RSRP) Reference Signal Received Quality, RSRQ) or Signal to Interference plus Noise Ratio (SINR) and other parameters.
- the tenth threshold can be specified by the protocol, or configured by the control node, or pre-configured to indicate The receiving terminal is located within the effective communication range.
- the RSRP, RSSI, RSRQ, or SINR value of the receiving terminal can be reported by the receiving terminal to the sending terminal, or can be measured by the sending terminal.
- the sending terminal when the resource reselection trigger condition is met, can further determine whether the receiving terminal is within the effective communication range, and the sending terminal only executes when the sending terminal determines that the receiving terminal is within the effective communication range. First operation.
- the sending terminal may perform the first operation to solve the problem that the data transmission is affected due to resource collision.
- the transmitting terminal may not perform the first operation.
- the following describes an implementation manner in which the sending terminal judges whether the resource reselection trigger condition is satisfied according to the notification message sent by the receiving terminal.
- the sending terminal receives a first message sent by the receiving terminal, where the first message includes at least one of resource collision information and resource reselection trigger information.
- the sending terminal may determine that the resource reselection trigger condition is satisfied.
- the bearer resource of the first message may include at least one of PSCCH, PSSCH, PSFCH, and the first resource.
- the above-mentioned first resource may be composed of at least one frequency domain resource and at least one time domain resource, and the frequency domain resource may include a sub-channel (sub-channel) or a physical resource block (Physical Resource Block, PRB), and the time domain resource may Including time slot (slot) or sub-slot (sub-slot).
- the frequency domain resource may include a sub-channel (sub-channel) or a physical resource block (Physical Resource Block, PRB)
- PRB Physical Resource Block
- the time domain resource may Including time slot (slot) or sub-slot (sub-slot).
- the bearer resource of the first message may be an independent PSCCH, such as standalone PSCCH; the bearer resource of the first message may be a PSCCH associated with the PSSCH, such as 1st stage SCI in PSCCH; the bearer resource of the first message may be PSSCH , For example, 2nd stage SCI in PSSCH, or Medium Access Control (MAC) Control Element (CE)/Radio Resource Control (RRC) in PSSCH; the bearer resource of the above first message It can be PSFCH.
- the aforementioned first resource can be a PSCCH composed of one (or more) sub-channels (or PRBs) and one (or more) slots (or sub-slots), or can be composed of one (or more) sub-channels (or PRBs). PSSCH composed of channel (or PRB) and one (or more) slot (or sub-slot).
- the content of the foregoing first message may include at least one of the following:
- the identifier of the receiving terminal
- the identifier of the sending terminal
- the type of the resource that has collided, and the type of the resource includes a periodically reserved resource or a non-periodically reserved resource;
- the identifier of the resource reselection trigger information is used to indicate that the first message carries signaling for triggering the sending terminal to perform resource reselection.
- the identification of the sending terminal may be the ID of the sending terminal that needs to trigger resource reselection, or the ID of the sending terminal where resource collision occurs, and the identification of the sending terminal may be the ID corresponding to the broadcast transmission type.
- the location information of the resource that has collided may include the time domain information of the resource, and may also include the frequency domain information of the resource.
- the energy detection information may include RSRP, RSRQ, RSSI, SNR, SINR, etc., and the energy detection information may be measured by the receiving terminal from multiple transmitting terminals.
- the receiving terminal may determine whether there is a resource collision in the resources of the transmitting terminal based on the channel monitoring result, and send the above-mentioned first message to the transmitting terminal when there is a resource collision in the resources of the transmitting terminal.
- the following describes multiple optional implementation manners for the receiving terminal to determine whether there is a resource collision in the resources of the transmitting terminal based on the channel monitoring result.
- Manner 1 The receiving terminal judges whether there is a resource collision in the resources of the sending terminal based on the resource reservation signaling of the sending terminal.
- the receiving terminal can receive resource reservation signaling sent by N sending terminals, and the receiving terminal can determine whether there is a resource collision in the resources of the first sending terminal according to the resource reservation signaling of the N sending terminals .
- the N sending terminals include the first sending terminal, and the N is greater than or equal to 1.
- the transmission between the N sending terminals and the receiving terminal may include any one of unicast transmission (for example, there is a PC5-RRC connection between the receiving terminal and the sending terminal), multicast transmission, and broadcast transmission.
- the resource reservation signaling of the first sending terminal includes overlapping resources
- the energy of the resource reservation signaling of the first sending terminal is higher than a first threshold
- the energy difference between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the second sending terminal is higher than a second threshold, and the N sending terminals include the second sending terminal;
- the energy ratio between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the third sending terminal is higher than a third threshold, and the N sending terminals include the third sending terminal.
- any one of the foregoing first threshold to third threshold may be specified by the protocol, may also be configured by the control node, or may be pre-configured.
- the above energy can be expressed as RSRP, RSSI, RSRQ and other parameters.
- Manner 2 The receiving terminal judges whether there is a resource collision in the resources of the transmitting terminal based on the channel detection result (or blind detection result).
- the receiving terminal may determine whether there is a resource collision in the resources of the first sending terminal according to the detection result on the first channel.
- the above-mentioned first channel may include PSCCH or PSSCH.
- the control information or data information of the first channel is not detected
- the energy of the first resource on the first channel is higher than a fourth threshold, and the first resource is a resource on the first channel corresponding to the first sending terminal;
- the SINR or Signal Noise Ratio (SNR) detection of the second resource on the first channel is higher than a fifth threshold, and the second resource is the signal corresponding to the first sending terminal on the first channel. resource.
- any one of the foregoing fourth threshold and fifth threshold may be specified by the protocol, may also be configured by the control node, or may be pre-configured.
- the above energy can be expressed as RSRP, RSSI, RSRQ and other parameters.
- This method is mostly suitable for situations where the PSCCH can be detected successfully, but the PSSCH cannot be detected successfully.
- the receiving terminal may also combine the foregoing method 1 and method 2 to determine whether there is a resource collision in the resources of the sending terminal. To avoid repetition, I won’t repeat it.
- the receiving terminal may send the first message to the first sending terminal.
- the timing for the receiving terminal to send the first message to the first sending terminal needs to comply with the protocol pre-defined or control node configuration or pre-configured time delay limit.
- the first sending terminal sends the first message; for another example, the receiving terminal may send the first message to the first sending terminal within L time domain units after the resource collision is detected.
- the time domain unit for the receiving terminal to send the first message may be independently selected by the receiving terminal.
- the above M may be pre-defined by the protocol, may also be configured by the control node, or pre-configured. And, it can be stipulated by the protocol, can also be configured by the control node, or pre-configured.
- the value range of M can be pre-defined, control node configuration, or pre-configured through the protocol, or the maximum value of M can be pre-defined, control node configuration, or pre-configured through the protocol, or pre-defined, control node configuration, or pre-configured through the protocol. Configure the minimum value of M.
- the above L can be pre-defined by the protocol, can also be configured by the control node, or pre-configured. And, it can be stipulated by the protocol, can also be configured by the control node, or pre-configured.
- the value range of L can be pre-defined, control node configuration, or pre-configured through the protocol, or the maximum value of L can be pre-defined, control node configuration, or pre-configured through the protocol, or pre-defined, control node configuration, or pre-configured through the protocol. Configure the minimum value of L.
- the target sending terminal (that is, the first sending terminal) for the receiving terminal to send the first message may be determined by the receiving terminal, or may be determined by the receiving terminal based on protocol predefined, control node configuration, or pre-configured rules.
- the foregoing is a description of multiple implementations in which the receiving terminal determines whether there is a resource collision in the resources of the transmitting terminal based on the channel monitoring results.
- the sending terminal may perform resource reselection or make related adjustments when the resource reselection trigger condition is satisfied. In this way, the sending terminal can overcome the problem caused by resource collision through resource reselection or related adjustment, thereby being able to improve the reliability and effectiveness of sidelink transmission and ensuring the performance of sidelink communication.
- FIG. 9 is a flowchart of another side link transmission control method provided by an embodiment of the present invention. As shown in FIG. 9, the side link transmission control method is applied to the receiving terminal, and the method includes the following steps:
- Step 301 Based on the channel monitoring result, judge whether there is a resource collision in the resources of the first sending terminal;
- Step 301 In the case of resource collisions in the resources of the first sending terminal, send a first message to the first sending terminal, where the first message includes at least one of resource collision information and resource reselection trigger information item.
- the judging whether there is a resource collision in the resources of the first sending terminal based on the channel monitoring result includes:
- the resource reservation signaling of the N sending terminals it is determined whether there is a resource collision in the resources of the first sending terminal.
- the transmission between the N sending terminals and the receiving terminal includes any one of unicast transmission, multicast transmission, and broadcast transmission.
- the resource reservation signaling of the first sending terminal includes overlapping resources
- the energy of the resource reservation signaling of the first sending terminal is higher than a first threshold
- the energy difference between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the second sending terminal is higher than a second threshold, and the N sending terminals include the second sending terminal;
- the energy ratio between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the third sending terminal is higher than a third threshold, and the N sending terminals include the third sending terminal.
- the judging whether there is a resource collision in the resources of the first sending terminal based on the channel monitoring result includes:
- the detection result on the first channel it is determined whether there is a resource collision in the resources of the first sending terminal, and the first channel includes the side link control channel PSCCH or the side link shared channel PSSCH.
- the control information or data information of the first channel is not detected
- the energy of the first resource on the first channel is higher than a fourth threshold, and the first resource is a resource on the first channel corresponding to the first sending terminal;
- the signal-to-interference-plus-noise ratio SINR or the signal-to-noise ratio SNR detection of the second resource on the first channel is higher than a fifth threshold, and the second resource corresponds to the first sending terminal on the first channel H.
- the sending the first message to the first sending terminal includes:
- the bearer resource of the first message includes at least one of PSCCH, PSSCH, PSFCH, and a first resource.
- the first resource is composed of at least one frequency domain resource and at least one time domain resource.
- the domain resources include subchannels or physical resource blocks PRB, and the time domain resources include time slots or subslots.
- the content of the first message includes at least one of the following:
- the judgment sub-module is used to judge whether the receiving terminal is within the effective communication range when the resource reselection trigger condition is satisfied;
- the execution sub-module is configured to execute the first operation when the receiving terminal is within the effective communication range.
- the sending terminal receives the reverse information of the receiving terminal
- the information transmission energy of the receiving terminal is greater than or equal to the tenth threshold.
- the content of the first message includes at least one of the following:
- the sending terminal 400 described above in the embodiment of the present invention may be a sending terminal in any implementation manner in the method embodiment, and any implementation manner of the sending terminal in the method embodiment can be used by the sending terminal 400 in the embodiment of the present invention. This is achieved and achieves the same beneficial effects. In order to avoid repetition, details are not repeated here.
- FIG. 11 is a structural diagram of a receiving terminal according to an embodiment of the present invention. As shown in FIG. 11, the receiving terminal 500 includes:
- the judging module 501 is configured to judge whether there is a resource collision in the resources of the first sending terminal based on the channel monitoring result;
- the sending module 502 is configured to send a first message to the first sending terminal when there is a resource collision in the resources of the first sending terminal, where the first message includes resource collision information and resource reselection trigger information. At least one of.
- the judgment module 501 includes:
- a receiving submodule configured to receive resource reservation signaling sent by N sending terminals, where the N sending terminals include the first sending terminal, and the N is greater than or equal to 1;
- the judging sub-module is configured to judge whether there is a resource collision in the resources of the first sending terminal according to the resource reservation signaling of the N sending terminals.
- the transmission between the N sending terminals and the receiving terminal includes any one of unicast transmission, multicast transmission, and broadcast transmission.
- the resource reservation signaling of the first sending terminal includes overlapping resources
- the energy of the resource reservation signaling of the first sending terminal is higher than a first threshold
- the energy difference between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the second sending terminal is higher than a second threshold, and the N sending terminals include the second sending terminal;
- the energy ratio between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the third sending terminal is higher than a third threshold, and the N sending terminals include the third sending terminal.
- the judgment module 501 is specifically configured to:
- the detection result on the first channel it is determined whether there is a resource collision in the resources of the first sending terminal, and the first channel includes a physical side link control channel PSCCH or a physical side link shared channel PSSCH.
- the control information or data information of the first channel is not detected
- the energy of the first resource on the first channel is higher than a fourth threshold, and the first resource is a resource on the first channel corresponding to the first sending terminal;
- the signal-to-interference-plus-noise ratio SINR or the signal-to-noise ratio SNR detection of the second resource on the first channel is higher than a fifth threshold, and the second resource corresponds to the first sending terminal on the first channel H.
- the sending the first message to the first sending terminal includes:
- the bearer resource of the first message includes at least one of PSCCH, PSSCH, physical side link feedback channel PSFCH, and a first resource
- the first resource consists of at least one frequency domain resource and at least one time domain resource.
- Resource composition the frequency domain resource includes a sub-channel or a physical resource block PRB
- the time domain resource includes a time slot or a sub-slot.
- the content of the first message includes at least one of the following:
- the identifier of the receiving terminal
- the receiving terminal 500 in the embodiment of the present invention may be a receiving terminal in any implementation manner in the method embodiment, and any implementation manner of the receiving terminal in the method embodiment may be used by the receiving terminal 500 in the embodiment of the present invention. This is achieved and achieves the same beneficial effects. In order to avoid repetition, it will not be repeated here.
- the sending terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, and a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, a processor 1010, a power supply 1011 and other components.
- a radio frequency unit 1001 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, and a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, a processor 1010, a power supply 1011 and other components.
- the structure of the sending terminal shown in FIG. 12 does not constitute a limitation on the sending terminal, and the sending terminal may include more or fewer components than shown in the figure, or a combination of certain components, or different components Layout.
- the sending terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a
- a first operation is performed, and the first operation includes at least one of resource reselection, modulation and coding scheme MCS adjustment, and power adjustment.
- the processor 1010 or the radio frequency unit 1001 is also used for:
- the sidelink transmission is based on the N transport block TB transmission fed back by the HARQ of the hybrid automatic repeat request, it is determined whether the resource reselection trigger condition is satisfied according to the feedback of the receiving terminal, and the N is greater than or equal to 1 Integer.
- the L is greater than or equal to the third threshold, or the total number of TBs corresponding to the L DTXs or NACKs in the time window is greater than or equal to the fourth threshold;
- K continuous DTX or NACK for the initial transmission of the TB is detected, and the K is greater than or equal to the fifth threshold, or the total number of TBs corresponding to the K continuous DTX or NACK for the initial transmission of the TB is greater than or equal to the sixth Threshold
- the P is greater than or equal to the seventh threshold, or the total number of TBs corresponding to the P DTX or NACK in the time window for the initial transmission of TB is greater than Or equal to the eighth threshold.
- the DTX includes at least one of the following:
- the NACK includes at least one of the following:
- the processor 1010 or the radio frequency unit 1001 is also used for:
- the first operation is performed.
- the receiving terminal is located within the effective communication range:
- the sending terminal receives the reverse information of the receiving terminal
- the distance between the sending terminal and the receiving terminal is less than or equal to a ninth threshold
- the information transmission energy of the receiving terminal is greater than or equal to the tenth threshold.
- the sending terminal receives a first message sent by the receiving terminal, where the first message includes at least one of resource collision information and resource reselection trigger information.
- the bearer resource of the first message includes at least one of a physical side link control channel PSCCH, a physical side link shared channel PSSCH, a physical side link feedback channel PSFCH, and a first resource.
- the resource is composed of at least one frequency domain resource and at least one time domain resource, the frequency domain resource includes a subchannel or a physical resource block PRB, and the time domain resource includes a time slot or a subslot.
- the content of the first message includes at least one of the following:
- the identifier of the receiving terminal
- the identifier of the sending terminal
- the type of the resource that has collided, and the type of the resource includes a periodically reserved resource or a non-periodically reserved resource;
- the sending terminal may perform resource reselection or make related adjustments when the resource reselection trigger condition is satisfied. In this way, the sending terminal can overcome the problem caused by resource collision through resource reselection or related adjustment, thereby being able to improve the reliability and effectiveness of sidelink transmission and ensuring the performance of sidelink communication.
- the radio frequency unit 1001 can be used to receive and send signals during information transmission or communication. Specifically, the downlink data from the base station is received and sent to the processor 1010 for processing; in addition, Uplink data is sent to the base station.
- the radio frequency unit 1001 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 1001 can also communicate with the network and other devices through a wireless communication system.
- the sending terminal provides users with wireless broadband Internet access through the network module 1002, such as helping users to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 1003 can convert the audio data received by the radio frequency unit 1001 or the network module 1002 or stored in the memory 1009 into audio signals and output them as sounds. Moreover, the audio output unit 1003 may also provide audio output related to a specific function performed by the sending terminal 1000 (for example, call signal reception sound, message reception sound, etc.).
- the audio output unit 1003 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 1004 is used to receive audio or video signals.
- the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042, and the graphics processor 10041 is configured to respond to still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
- the processed image frame can be displayed on the display unit 1006.
- the image frame processed by the graphics processor 10041 may be stored in the memory 1009 (or other storage medium) or sent via the radio frequency unit 1001 or the network module 1002.
- the microphone 10042 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 1001 in the case of a telephone call mode for output.
- the sending terminal 1000 further includes at least one sensor 1005, 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 10061 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 10061 when the sending terminal 1000 is moved to the ear. 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 the posture of the sending terminal (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 1005 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 1006 is used to display information input by the user or information provided to the user.
- the display unit 1006 may include a display panel 10061, and the display panel 10061 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 1007 can be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the sending terminal.
- the user input unit 1007 includes a touch panel 10071 and other input devices 10072.
- the touch panel 10071 also called a touch screen, can collect user 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 10071 or near the touch panel 10071. operate).
- the touch panel 10071 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 1010, the command sent by the processor 1010 is received and executed.
- the touch panel 10071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 1007 may also include other input devices 10072.
- other input devices 10072 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 10071 can be overlaid on the display panel 10071.
- the touch panel 10071 detects a touch operation on or near it, it transmits it to the processor 1010 to determine the type of the touch event, and then the processor 1010 determines the type of touch event according to the touch.
- the type of event provides corresponding visual output on the display panel 10061.
- the touch panel 10071 and the display panel 10061 are used as two independent components to implement the input and output functions of the sending terminal, in some embodiments, the touch panel 10071 and the display panel 10061 may be integrated
- the implementation of the input and output functions of the sending terminal is not specifically limited here.
- the interface unit 1008 is an interface for connecting an external device with the sending terminal 1000.
- 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 (Input/Output, I/O) port, video I/O port, headphone port, etc.
- the interface unit 1008 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 transmitting terminal 1000 or may be used to connect the transmitting terminal 1000 and an external device. Transfer data between devices.
- the memory 1009 can be used to store software programs and various data.
- the memory 1009 may mainly include a program storage area and a data storage area.
- the program storage 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 1009 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 1010 is the control center of the sending terminal. It uses various interfaces and lines to connect the various parts of the entire sending terminal. Various functions and processing data of the sending terminal, so as to monitor the sending terminal as a whole.
- the processor 1010 may include one or more processing units; preferably, the processor 1010 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., 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 1010.
- the sending terminal 1000 may also include a power supply 1011 (such as a battery) for supplying power to various components.
- a power supply 1011 (such as a battery) for supplying power to various components.
- the power supply 1011 may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
- the sending terminal 1000 includes some functional modules that are not shown, which will not be repeated here.
- the embodiment of the present invention also provides a sending terminal, including a processor 1010, a memory 1009, and a computer program stored on the memory 1009 and capable of running on the processor 1010.
- a sending terminal including a processor 1010, a memory 1009, and a computer program stored on the memory 1009 and capable of running on the processor 1010.
- the computer program is executed by the processor 1010,
- Each process of the foregoing embodiment of the side link transmission control method is implemented, and the same technical effect can be achieved. In order to avoid repetition, details are not described herein again.
- the sending terminal 1000 in this embodiment may be a sending terminal in any implementation manner in the method embodiment of the present invention, and any implementation manner of the sending terminal in the method embodiment in the method embodiment of the present invention may be used by this
- the above-mentioned sending terminal 1000 in the embodiment realizes and achieves the same beneficial effects, which will not be repeated here.
- the receiving terminal 1100 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, and a display unit 1106 , User input unit 1107, interface unit 1108, memory 1109, processor 1110, power supply 1111 and other components.
- a radio frequency unit 1101 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, and a display unit 1106 , User input unit 1107, interface unit 1108, memory 1109, processor 1110, power supply 1111 and other components.
- the receiving terminal may include more or fewer components than those shown in the figure, or a combination of certain components, or different components. Layout.
- the receiving 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, and a pedometer.
- the processor 1110 or the radio frequency unit 1101 is used for:
- sending a first message to the first sending terminal where the first message includes at least one of resource collision information and resource reselection trigger information.
- the processor 1110 or the radio frequency unit 1101 is also used to:
- the resource reservation signaling of the N sending terminals it is determined whether there is a resource collision in the resources of the first sending terminal.
- the transmission between the N sending terminals and the receiving terminal includes any one of unicast transmission, multicast transmission, and broadcast transmission.
- the resource reservation signaling of the first sending terminal includes overlapping resources
- the energy of the resource reservation signaling of the first sending terminal is higher than a first threshold
- the energy difference between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the second sending terminal is higher than a second threshold, and the N sending terminals include the second sending terminal;
- the energy ratio between the resource reservation signaling of the first sending terminal and the resource reservation signaling of the third sending terminal is higher than a third threshold, and the N sending terminals include the third sending terminal.
- the processor 1110 or the radio frequency unit 1101 is also used to:
- the detection result on the first channel it is determined whether there is a resource collision in the resources of the first sending terminal, and the first channel includes a physical side link control channel PSCCH or a physical side link shared channel PSSCH.
- the control information or data information of the first channel is not detected
- the energy of the first resource on the first channel is higher than a fourth threshold, and the first resource is a resource on the first channel corresponding to the first sending terminal;
- the signal-to-interference-plus-noise ratio SINR or the signal-to-noise ratio SNR detection of the second resource on the first channel is higher than a fifth threshold, and the second resource corresponds to the first sending terminal on the first channel H.
- the sending the first message to the first sending terminal includes:
- the bearer resource of the first message includes at least one of PSCCH, PSSCH, physical side link feedback channel PSFCH, and a first resource
- the first resource consists of at least one frequency domain resource and at least one time domain resource.
- Resource composition the frequency domain resource includes a sub-channel or a physical resource block PRB
- the time domain resource includes a time slot or a sub-slot.
- the type of the resource that has collided, and the type of the resource includes a periodically reserved resource or a non-periodically reserved resource;
- the receiving terminal in the side link communication, when the resources of the receiving terminal have resource collisions, the receiving terminal can perform resource reselection or make related adjustments when the resource reselection trigger condition is satisfied. In this way, the receiving terminal can overcome the problem caused by resource collision through resource reselection or related adjustment, thereby being able to improve the reliability and effectiveness of side link transmission and ensuring the performance of side link communication.
- the radio frequency unit 1101 can be used for receiving and sending signals during 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 1110; Uplink data is sent to the base station.
- the radio frequency unit 1101 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 1101 can also communicate with the network and other devices through a wireless communication system.
- the audio output unit 1103 can convert the audio data received by the radio frequency unit 1101 or the network module 1102 or stored in the memory 1109 into audio signals and output them as sounds. Moreover, the audio output unit 1103 may also provide audio output related to a specific function performed by the receiving terminal 1100 (for example, call signal receiving sound, message receiving sound, etc.).
- the audio output unit 1103 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 1104 is used to receive audio or video signals.
- the input unit 1104 may include a graphics processing unit (GPU) 11041 and a microphone 11042, and the graphics processor 11041 is configured to respond to still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
- the processed image frame can be displayed on the display unit 1106.
- the image frame processed by the graphics processor 11041 may be stored in the memory 1109 (or other storage medium) or sent via the radio frequency unit 1101 or the network module 1102.
- the microphone 11042 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 1101 for output in the case of a telephone call mode.
- the receiving terminal 1100 also includes at least one sensor 1105, 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 11061 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 11061 when the receiving terminal 1100 is moved to the ear. 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 the receiving terminal's posture (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; the sensor 1105 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 1106 is used to display information input by the user or information provided to the user.
- the display unit 1106 may include a display panel 11061, and the display panel 11061 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 1107 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the receiving terminal.
- the user input unit 1107 includes a touch panel 11071 and other input devices 11072.
- the touch panel 11071 also called a touch screen, can collect user 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 11071 or near the touch panel 11071. operate).
- the touch panel 11071 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 1110, the command sent by the processor 1110 is received and executed.
- the touch panel 11071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 1107 may also include other input devices 11072.
- other input devices 11072 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 11071 can cover the display panel 11071.
- the touch panel 11071 detects a touch operation on or near it, it transmits it to the processor 1110 to determine the type of the touch event, and then the processor 1110 determines the type of touch event according to the touch.
- the type of event provides corresponding visual output on the display panel 11061.
- the touch panel 11071 and the display panel 11061 are used as two independent components to realize the input and output functions of the receiving terminal, in some embodiments, the touch panel 11071 and the display panel 11061 may be integrated
- the implementation of the input and output functions of the receiving terminal is not specifically limited here.
- the interface unit 1108 is an interface for connecting an external device and the receiving terminal 1100.
- 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 1108 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 receiving terminal 1100 or may be used to connect to the receiving terminal 1100 and external Transfer data between devices.
- the memory 1109 can be used to store software programs and various data.
- the memory 1109 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 1109 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 1110 is the control center of the receiving terminal. It uses various interfaces and lines to connect the various parts of the receiving terminal. The various functions and processing data of the receiving terminal are used to monitor the receiving terminal as a whole.
- the processor 1110 may include one or more processing units; preferably, the processor 1110 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 1110.
- the receiving terminal 1100 may also include a power source 1111 (such as a battery) for supplying power to various components.
- a power source 1111 such as a battery
- the power source 1111 may be logically connected to the processor 1110 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
- the receiving terminal 1100 includes some functional modules not shown, which will not be repeated here.
- the embodiment of the present invention also provides a receiving terminal, including a processor 1110, a memory 1109, a computer program stored in the memory 1109 and capable of running on the processor 1110, and when the computer program is executed by the processor 1110
- a receiving terminal including a processor 1110, a memory 1109, a computer program stored in the memory 1109 and capable of running on the processor 1110, and when the computer program is executed by the processor 1110
- the above-mentioned receiving terminal 1100 in this embodiment may be a receiving terminal in any implementation manner in the method embodiment of the present invention, and any implementation manner of the receiving terminal in the method embodiment in the method embodiment of the present invention may be used by this
- the above-mentioned receiving terminal 1100 in the embodiment realizes and achieves the same beneficial effects, which 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.
- a computer program is stored.
- the various processes of the above-mentioned embodiment corresponding to the receiving terminal or the network side are realized, and To achieve the same technical effect, in order to avoid repetition, I will not repeat them 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 disclosed device and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the 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 a number of instructions to enable a sending terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the method described in each embodiment of the present invention.
- a sending terminal which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.
- the program can be stored in a computer readable storage medium. When executed, it may include the procedures of the above-mentioned method embodiments.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.
- modules, units, and sub-units can be implemented in one or more application specific integrated circuits (ASIC), digital signal processors (Digital Signal Processor, DSP), and digital signal processing equipment (DSP Device, DSPD). ), programmable logic devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, used to execute the present disclosure Other electronic units or a combination of the functions described above.
- ASIC application specific integrated circuits
- DSP Digital Signal Processor
- DSP Device digital signal processing equipment
- PLD programmable logic devices
- Field-Programmable Gate Array Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the technology described in the embodiments of the present disclosure can be implemented by modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
- the software codes can be stored in the memory and executed by the processor.
- the memory can be implemented in the processor or external to the processor.
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Abstract
Description
Claims (41)
- 一种旁链路传输控制方法,应用于发送终端,包括:判断资源重选触发条件是否满足;在所述资源重选触发条件满足的情况下,执行第一操作,所述第一操作包括资源重选、调制和编码方案MCS调整、功率调整中的至少一项。
- 根据权利要求1所述的方法,其中,所述判断资源重选触发条件是否满足,包括:若旁链路传输为基于混合自动重传请求HARQ反馈的N个传输块TB传输,则根据接收终端的反馈情况,判断所述资源重选触发条件是否满足,所述N为大于或等于1的整数。
- 根据权利要求2所述的方法,其中,在以下条件的至少一项满足的情况下,判定所述资源重选触发条件满足:检测到连续的M个不连续发送DTX或否定确认NACK,所述M大于或等于第一门限,或,所述连续的M个DTX或NACK对应的TB总数大于或等于第二门限;检测到时间窗口内的L个DTX或NACK,所述L大于或等于第三门限,或,所述时间窗口内的L个DTX或NACK对应的TB总数大于或等于第四门限;检测到针对TB初传的连续的K个DTX或NACK,所述K大于或等于第五门限,或,所述针对TB初传的连续的K个DTX或NACK对应的TB总数大于或等于第六门限;检测到针对TB初传的时间窗口内的P个DTX或NACK,所述P大于或等于第七门限,或,所述针对TB初传的时间窗口内的P个DTX或NACK对应的TB总数大于或等于第八门限。
- 根据权利要求3所述的方法,其中,所述DTX包括以下至少一项:周期性预留资源上传输的DTX;非周期性预留资源上传输的DTX;同一旁链路控制信息SCI预留资源上传输的DTX;或者,所述NACK包括以下至少一项:周期性预留资源上传输的NACK;非周期性预留资源上传输的NACK;同一SCI预留资源上传输的NACK。
- 根据权利要求1或2所述的方法,其中,所述在资源重选触发条件满足的情况下,执行第一操作,包括:在资源重选触发条件满足的情况下,判断接收终端是否位于有效的通信范围之内;在所述接收终端位于有效的通信范围之内的情况下,执行所述第一操作。
- 根据权利要求5所述的方法,其中,在以下条件的至少一项满足的情况下,判定所述接收终端位于有效的通信范围之内:所述发送终端接收到所述接收终端的反向信息;所述发送终端与所述接收终端之间的距离小于或等于第九门限;所述接收终端的信息传输能量大于或等于第十门限。
- 根据权利要求1所述的方法,其中,在以下条件满足的情况下,判定所述资源重选触发条件满足:所述发送终端接收到接收终端发送的第一消息,所述第一消息包括资源碰撞信息和资源重选触发信息中的至少一项。
- 根据权利要求7所述的方法,其中,所述第一消息的承载资源包括物理旁链路控制信道PSCCH、物理旁链路共享信道PSSCH、物理旁链路反馈信道PSFCH和第一资源中的至少一项,所述第一资源由至少一个频域资源和至少一个时域资源组成,所述频域资源包括子信道或物理资源块PRB,所述时域资源包括时隙或子时隙。
- 根据权利要求7所述的方法,其中,所述第一消息的内容包括以下至少一项:所述资源重选触发信息的标识;所述接收终端的标识;所述发送终端的标识;发生碰撞的资源的位置信息;发生碰撞的资源的类型,所述资源的类型包括周期性预留资源或非周期性预留资源;能量检测信息。
- 一种旁链路传输控制方法,应用于接收终端,包括:基于信道监听结果,判断第一发送终端的资源是否存在资源碰撞;在所述第一发送终端的资源存在资源碰撞的情况下,向所述第一发送终端发送第一消息,所述第一消息包括资源碰撞信息和资源重选触发信息中的至少一项。
- 根据权利要求10所述的方法,其中,所述基于信道监听结果,判断第一发送终端的资源是否存在资源碰撞,包括:接收N个发送终端发送的资源预留信令,所述N个发送终端包括所述第一发送终端,所述N大于或等于1;根据所述N个发送终端的资源预留信令,判断所述第一发送终端的资源是否存在资源碰撞。
- 根据权利要求11所述的方法,其中,所述N个发送终端与所述接收终端的传输包括单播传输、组播传输和广播传输中的任一种。
- 根据权利要求11所述的方法,其中,在以下条件的至少一项满足的情况下,判定所述第一发送终端的资源存在资源碰撞:所述第一发送终端的资源预留信令中包括重叠的资源;所述第一发送终端的资源预留信令的能量高于第一门限;所述第一发送终端的资源预留信令与第二发送终端的资源预留信令之间的能量差高于第二门限,所述N个发送终端包括所述第二发送终端;所述第一发送终端的资源预留信令与第三发送终端的资源预留信令之间的能量比高于第三门限,所述N个发送终端包括所述第三发送终端。
- 根据权利要求10所述的方法,其中,所述基于信道监听结果,判断第一发送终端的资源是否存在资源碰撞,包括:根据在第一信道的检测结果,判断所述第一发送终端的资源是否存在资源碰撞,所述第一信道包括物理旁链路控制信道PSCCH或物理旁链路共享 信道PSSCH。
- 根据权利要求14所述的方法,其中,在以下条件的至少一项满足的情况下,判定所述第一发送终端的资源存在资源碰撞:未检测到所述第一信道的控制信息或数据信息;所述第一信道上的第一资源的能量高于第四门限,所述第一资源为所述第一信道上对应所述第一发送终端的资源;所述第一信道上的第二资源的信号与干扰加噪声比SINR或信号加噪声比SNR检测高于第五门限,所述第二资源为所述第一信道上对应所述第一发送终端的资源。
- 根据权利要求10所述的方法,其中,所述向所述第一发送终端发送第一消息,包括:在碰撞资源之前的M个时域单元前,向所述第一发送终端发送第一消息;或者,在检测到资源碰撞之后的L个时域单元内,向所述第一发送终端发送第一消息。
- 根据权利要求10所述的方法,其中,所述第一消息的承载资源包括PSCCH、PSSCH、物理旁链路反馈信道PSFCH和第一资源中的至少一项,所述第一资源由至少一个频域资源和至少一个时域资源组成,所述频域资源包括子信道或物理资源块PRB,所述时域资源包括时隙或子时隙。
- 根据权利要求10所述的方法,其中,所述第一消息的内容包括以下至少一项:所述资源重选触发信息的标识;所述接收终端的标识;所述第一发送终端的标识;发生碰撞的资源的位置信息;发生碰撞的资源的类型,所述资源的类型包括周期性预留资源或非周期性预留资源;能量检测信息。
- 一种发送终端,包括:判断模块,用于判断资源重选触发条件是否满足;执行模块,用于在所述资源重选触发条件满足的情况下,执行第一操作,所述第一操作包括资源重选、调制和编码方案MCS调整、功率调整中的至少一项。
- 根据权利要求19所述的发送终端,其中,所述判断模块具体用于:若旁链路传输为基于混合自动重传请求HARQ反馈的N个传输块TB传输,则根据接收终端的反馈情况,判断所述资源重选触发条件是否满足,所述N为大于或等于1的整数。
- 根据权利要求20所述的发送终端,其中,在以下条件的至少一项满足的情况下,判定所述资源重选触发条件满足:检测到连续的M个不连续发送DTX或否定确认NACK,所述M大于或等于第一门限,或,所述连续的M个DTX或NACK对应的TB总数大于或等于第二门限;检测到时间窗口内的L个DTX或NACK,所述L大于或等于第三门限,或,所述时间窗口内的L个DTX或NACK对应的TB总数大于或等于第四门限;检测到针对TB初传的连续的K个DTX或NACK,所述K大于或等于第五门限,或,所述针对TB初传的连续的K个DTX或NACK对应的TB总数大于或等于第六门限;检测到针对TB初传的时间窗口内的P个DTX或NACK,所述P大于或等于第七门限,或,所述针对TB初传的时间窗口内的P个DTX或NACK对应的TB总数大于或等于第八门限。
- 根据权利要求21所述的发送终端,其中,所述DTX包括以下至少一项:周期性预留资源上传输的DTX;非周期性预留资源上传输的DTX;同一旁链路控制信息SCI预留资源上传输的DTX;或者,所述NACK包括以下至少一项:周期性预留资源上传输的NACK;非周期性预留资源上传输的NACK;同一SCI预留资源上传输的NACK。
- 根据权利要求19或20所述的发送终端,其中,所述执行模块包括:判断子模块,用于在资源重选触发条件满足的情况下,判断接收终端是否位于有效的通信范围之内;执行子模块,用于在所述接收终端位于有效的通信范围之内的情况下,执行所述第一操作。
- 根据权利要求23所述的发送终端,其中,在以下条件的至少一项满足的情况下,判定所述接收终端位于有效的通信范围之内:所述发送终端接收到所述接收终端的反向信息;所述发送终端与所述接收终端之间的距离小于或等于第九门限;所述接收终端的信息传输能量大于或等于第十门限。
- 根据权利要求19所述的发送终端,其中,在以下条件满足的情况下,判定所述资源重选触发条件满足:所述发送终端接收到所述接收终端发送的第一消息,所述第一消息包括资源碰撞信息和资源重选触发信息中的至少一项。
- 根据权利要求25所述的发送终端,其中,所述第一消息的承载资源包括物理旁链路控制信道PSCCH、物理旁链路共享信道PSSCH、物理旁链路反馈信道PSFCH和第一资源中的至少一项,所述第一资源由至少一个频域资源和至少一个时域资源组成,所述频域资源包括子信道或物理资源块PRB,所述时域资源包括时隙或子时隙。
- 根据权利要求25所述的发送终端,其中,所述第一消息的内容包括以下至少一项:所述资源重选触发信息的标识;所述接收终端的标识;所述发送终端的标识;发生碰撞的资源的位置信息;发生碰撞的资源的类型,所述资源的类型包括周期性预留资源或非周期 性预留资源;能量检测信息。
- 一种接收终端,包括:判断模块,用于基于信道监听结果,判断第一发送终端的资源是否存在资源碰撞;发送模块,用于在所述第一发送终端的资源存在资源碰撞的情况下,向所述第一发送终端发送第一消息,所述第一消息包括资源碰撞信息和资源重选触发信息中的至少一项。
- 根据权利要求28所述的接收终端,其中,所述判断模块包括:接收子模块,用于接收N个发送终端发送的资源预留信令,所述N个发送终端包括所述第一发送终端,所述N大于或等于1;判断子模块,用于根据所述N个发送终端的资源预留信令,判断所述第一发送终端的资源是否存在资源碰撞。
- 根据权利要求29所述的接收终端,其中,所述N个发送终端与所述接收终端的传输包括单播传输、组播传输和广播传输中的任一种。
- 根据权利要求29所述的接收终端,其中,在以下条件的至少一项满足的情况下,判定所述第一发送终端的资源存在资源碰撞:所述第一发送终端的资源预留信令中包括重叠的资源;所述第一发送终端的资源预留信令的能量高于第一门限;所述第一发送终端的资源预留信令与第二发送终端的资源预留信令之间的能量差高于第二门限,所述N个发送终端包括所述第二发送终端;所述第一发送终端的资源预留信令与第三发送终端的资源预留信令之间的能量比高于第三门限,所述N个发送终端包括所述第三发送终端。
- 根据权利要求28所述的接收终端,其中,所述判断模块具体用于:根据在第一信道的检测结果,判断所述第一发送终端的资源是否存在资源碰撞,所述第一信道包括物理旁链路控制信道PSCCH或物理旁链路共享信道PSSCH。
- 根据权利要求32所述的接收终端,其中,在以下条件的至少一项满足的情况下,判定所述第一发送终端的资源存在资源碰撞:未检测到所述第一信道的控制信息或数据信息;所述第一信道上的第一资源的能量高于第四门限,所述第一资源为所述第一信道上对应所述第一发送终端的资源;所述第一信道上的第二资源的信号与干扰加噪声比SINR或信号加噪声比SNR检测高于第五门限,所述第二资源为所述第一信道上对应所述第一发送终端的资源。
- 根据权利要求28所述的接收终端,其中,所述向所述第一发送终端发送第一消息,包括:在碰撞资源之前的M个时域单元前,向所述第一发送终端发送第一消息;或者,在检测到资源碰撞之后的L个时域单元内,向所述第一发送终端发送第一消息。
- 根据权利要求28所述的接收终端,其中,所述第一消息的承载资源包括PSCCH、PSSCH、物理旁链路反馈信道PSFCH和第一资源中的至少一项,所述第一资源由至少一个频域资源和至少一个时域资源组成,所述频域资源包括子信道或物理资源块PRB,所述时域资源包括时隙或子时隙。
- 根据权利要求28所述的接收终端,其中,所述第一消息的内容包括以下至少一项:所述资源重选触发信息的标识;所述接收终端的标识;所述第一发送终端的标识;发生碰撞的资源的位置信息;发生碰撞的资源的类型,所述资源的类型包括周期性预留资源或非周期性预留资源;能量检测信息。
- 一种发送终端,包括:存储器、处理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至9中任一项所述的旁链路传输控制方法中的步骤。
- 一种接收终端,包括:存储器、处理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10至18中任一项所述的旁链路传输控制方法中的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质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至9中任一项所述的旁链路传输控制方法中的步骤;或者,实现如权利要求10至18中任一项所述的旁链路传输控制方法中的步骤。
- 一种计算机软件产品,所述计算机软件产品被存储在非易失的存储介质中,所述软件产品被配置成被至少一个处理器执行以实现如权利要求1至9中任一项所述的旁链路传输控制方法中的步骤;或者,实现如权利要求10至18中任一项所述的旁链路传输控制方法中的步骤。
- 一种电子设备,所述电子设备被配置成用于执行如权利要求1至9中任一项所述的旁链路传输控制方法,或者执行如权利要求10至18中任一项所述的旁链路传输控制方法。
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JP2022549127A JP7558283B2 (ja) | 2020-02-14 | 2021-02-08 | サイドリンク伝送制御方法、送信端末及び受信端末 |
EP21754261.2A EP4106474A4 (en) | 2020-02-14 | 2021-02-08 | SIDELINK TRANSMISSION CONTROL METHOD, SENDING TERMINAL AND RECEIVING TERMINAL |
KR1020227031169A KR20220137976A (ko) | 2020-02-14 | 2021-02-08 | 사이드 링크 전송 제어 방법, 송신 단말 및 수신 단말 |
BR112022015842A BR112022015842A2 (pt) | 2020-02-14 | 2021-02-08 | Método de controle de transmissão de sidelink, terminal de transmissão, e terminal de recepção |
US17/875,313 US20220369169A1 (en) | 2020-02-14 | 2022-07-27 | Sidelink transmission control method, transmit terminal, and receive terminal |
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EP4381851A1 (en) * | 2021-08-03 | 2024-06-12 | InterDigital Patent Holdings, Inc. | Sidelink collision detection and indication |
CN115835381A (zh) * | 2021-09-17 | 2023-03-21 | 展讯通信(上海)有限公司 | 通信方法及装置、计算机可读存储介质及计算机程序产品 |
KR20230151323A (ko) * | 2022-04-25 | 2023-11-01 | 삼성전자주식회사 | 무선 통신 시스템에서 사이드링크 통신을 위한 단말 간 협력 정보의 관리 방법 및 장치 |
WO2024162833A1 (ko) * | 2023-02-03 | 2024-08-08 | 삼성전자 주식회사 | 무선 통신 시스템에서 사이드링크 송수신을 위한 장치 및 방법 |
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JP7558283B2 (ja) | 2024-09-30 |
US20220369169A1 (en) | 2022-11-17 |
KR20220137976A (ko) | 2022-10-12 |
EP4106474A4 (en) | 2023-06-07 |
CN113271684A (zh) | 2021-08-17 |
BR112022015842A2 (pt) | 2022-09-27 |
JP2023515402A (ja) | 2023-04-13 |
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