WO2024087116A1 - 一种通信方法及装置 - Google Patents

一种通信方法及装置 Download PDF

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Publication number
WO2024087116A1
WO2024087116A1 PCT/CN2022/128053 CN2022128053W WO2024087116A1 WO 2024087116 A1 WO2024087116 A1 WO 2024087116A1 CN 2022128053 W CN2022128053 W CN 2022128053W WO 2024087116 A1 WO2024087116 A1 WO 2024087116A1
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WIPO (PCT)
Prior art keywords
sending
receiving device
signal
sent
signals
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PCT/CN2022/128053
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English (en)
French (fr)
Inventor
栗忠峰
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华为技术有限公司
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Priority to PCT/CN2022/128053 priority Critical patent/WO2024087116A1/zh
Publication of WO2024087116A1 publication Critical patent/WO2024087116A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of communication technology, and in particular to a communication method and device.
  • AGC automatic gain control
  • the receiving end needs a certain amount of processing time to perform the AGC operation.
  • the transmitting end reserves the first symbol of the transmitted signal and/or channel for the receiving end to perform the AGC operation.
  • the transmitting end uses the symbol reservation method for the receiving end to perform the AGC operation, which will bring a large resource overhead due to the AGC operation.
  • the embodiments of the present application provide a communication method and device, which are beneficial to reducing the resource overhead caused by AGC operation.
  • an embodiment of the present application provides a communication method, which is described from the side of a receiving device (applicable to a device or chip of the receiving device), or described from the side of a centralized scheduling device (applicable to a device or chip of a centralized scheduling device).
  • a first indication is determined, and the first indication is used to indicate whether one or more sending devices reserve resources for a signal and/or channel sent to a receiving device; and the first indication is sent to one or more sending devices.
  • the receiving device or the centralized scheduling device indicates to one or more sending devices whether to reserve resources for the signal and/or channel sent to the receiving device.
  • Each of the one or more sending devices does not need to reserve resources for the signal and/or channel sent to the receiving device by default, but determines whether to reserve resources for the signal and/or channel sent to the receiving device according to the first indication. This is beneficial for the receiving device to receive the signal and/or channel from each of the one or more sending devices without using the reserved resources for the automatic gain control operation, which is beneficial for reducing the resource overhead caused by the automatic gain control operation.
  • the first indication is specifically used to instruct the first sending device to reserve resources for the signal and/or channel sent to the receiving device, and one or more second sending devices not to reserve resources for the signal and/or channel sent to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by one or more second sending devices to the receiving device are located after the time domain resources occupied by the signals and/or channels sent by the first sending device to the receiving device.
  • this method is beneficial for the receiving device to use reserved resources to perform automatic gain control operations when receiving signals and/or channels from the first sending device, while not using reserved resources to perform automatic gain control when receiving signals and/or channels from one or more second sending devices whose time domain resources occupied by the signals and/or channels sent by the first sending device are after the time domain resources occupied by the signals and/or channels sent by the first sending device, which is beneficial to reducing the resource overhead caused by the automatic gain control operation.
  • the first sending device and one or more second sending devices are all within a first geographical location range or a first transmission delay range of the receiving device; and/or, when the first sending device and one or more second sending devices send signals and/or channels to the receiving device, the signal strength of the signal and/or channel received by the receiving device is within a first signal strength range.
  • the distance from the first transmitting device to the receiving device is slightly different from the distance from the one or more second transmitting devices to the receiving device, so that when the receiving device receives signals and/or channels from the first transmitting device and one or more second transmitting devices, respectively, the signal strength of the received signal and/or channel fluctuates within a relatively small range, such as within a preset range.
  • the signal strength of the signal and/or channel received by the receiving device is proportional to the power, so the power of the receiving device when receiving signals and/or channels from the first transmitting device and one or more second transmitting devices, respectively, also fluctuates within a certain range, that is, the power fluctuation range is relatively small.
  • the signal strength of the signals and/or channels received by the receiving device are all within the first signal strength range, indicating that the power fluctuations of the signals and/or channels received by the receiving device from the first sending device and one or more second sending devices are also within a certain range.
  • the first device When the power fluctuation of the signals and/or channels received by the receiving device from the first transmitting device and one or more second transmitting devices is within a certain range, it is beneficial for the first device to indicate to the first transmitting device and one or more second transmitting devices whether each of the transmitting devices reserves resources for the signals and/or channels sent to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by the first transmitting device and one or more second transmitting devices to the receiving device are continuous in the time domain. That is, when the receiving device receives the signals and/or channels from the first transmitting device and one or more second transmitting devices, it will not receive the signals and/or channels from other transmitting devices. As a result, one or more second transmitting devices do not need to reserve resources for the signals and/or channels sent to the receiving device, which is conducive to reducing the resource overhead caused by the automatic gain control operation of the receiving device.
  • the time domain resources occupied by the first sending device, and the signals and/or channels sent by one or more second sending devices to the receiving device are discontinuous in the time domain, and there is no third sending device sending signals and/or channels to the receiving device between the time domain resources occupied by the signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device.
  • the third sending device is a sending device located outside the first geographical location range or the first transmission delay range of the receiving device, and/or, when sending signals and/or channels to the receiving device, the signal strength of the signal and/or channel received by the receiving device is outside the first signal strength range.
  • the receiving device or the centralized scheduling device may instruct the first transmitting device to reserve resources for the signals and/or channels sent to the receiving device, and one or more second transmitting devices not to reserve resources for the signals and/or channels sent to the receiving device, so as to help reduce the resource overhead caused by the automatic gain control operation of the receiving device.
  • the receiving device may also receive a second indication from the first sending device and/or one or more second sending devices, where the second indication is used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device.
  • the receiving device may receive the signal and/or channel from the first sending device and one or more second sending devices according to the second indication.
  • the first sending device and one or more second sending devices may provide feedback to the receiving device on whether to reserve resources for the signal and/or channel sent to the receiving device, so that the receiving device receives the signal and/or channel from each sending device based on the feedback from each sending device.
  • the receiving device or the central scheduling device may also send a third indication, where the third indication is used to instruct one or more fourth sending devices to adjust the time domain resources occupied by the signals and/or channels sent to the receiving device to the first time domain resources.
  • the fourth sending device is a sending device whose geographical location is within the first geographical location range or the first transmission delay range, and/or, when sending a signal and/or a channel to a receiving device, the signal strength of the signal received by the receiving device is within the first signal strength range.
  • the fourth sending device includes the first sending device, and/or, one or more second sending devices.
  • the fourth sending device is the first sending device, and/or one or more second sending devices, before the receiving device or the central scheduling node device determines the first instruction, the third instruction is sent to the fourth sending device, so that the fourth sending device adjusts the time domain resources occupied by the signal and/or channel sent to the receiving device to the first time domain resources. This is conducive to the continuity of the time domain resources occupied by the first sending device and the signal and/or channel sent to the receiving device by the one or more second sending devices.
  • the receiving device or the centralized scheduling device may further send a first instruction to the fourth sending device, the first instruction being used to instruct the fourth sending device not to reserve resources for the signal and/or channel sent to the receiving device. This is conducive to not performing automatic gain control when the receiving device receives the signal and/or channel from the fourth sending device, and is conducive to reducing the resource overhead caused by the automatic gain control.
  • the first indication is specifically used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop when the sending device of the multi-hop communication communicates with the receiving device of its current hop.
  • This method enables the sending device in multi-hop communication to determine whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop based on the first indication, thereby helping to reduce the resource overhead caused by the receiving device of the current hop using reserved resources for automatic gain control operations.
  • the signals and/or channels sent by one or more sending devices to the receiving device are all sent periodically.
  • This method is beneficial for each of the one or more sending devices to determine whether to reserve resources for the signals and/or channels sent to the receiving device according to the first indication when sending periodic signals and/or channels to the receiving device in each cycle.
  • This is further beneficial for the receiving device to receive periodic signals and/or channels in each cycle of each sending device without assuming that there are reserved resources for automatic gain control operations, which is beneficial for reducing resource overhead.
  • resource reservation includes: performing a puncturing operation on symbols of a signal and/or channel used to be sent to a receiving device, so as to ensure that the receiving device performs an automatic gain control operation on the symbol.
  • resource reservation includes: repeatedly sending the signal and/or channel sent to the receiving device on the symbol, so that the receiving device receives as many signals and/or channels as possible after completing the automatic gain control operation, so as to improve the receiving performance.
  • the first indication is specifically used to indicate whether one or more sending devices reserve resources on the first frequency domain resources for the signal and/or channel sent to the receiving device.
  • a fourth indication may also be sent, where the fourth indication is used to indicate whether one or more fifth sending devices reserve resources on the second frequency domain resources for signals and/or channels sent to the receiving device;
  • the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by one or more fifth sending devices to the receiving device, and the overlap includes partial overlap or full overlap.
  • the one or more sending devices, and the one or more fifth sending devices may send signals and/or channels to the receiving device on different frequency domain resources.
  • this method can ensure that each sending device does not reserve resources for the signals and/or channels sent to the receiving device by default, so that when the receiving device receives the signals and/or channels from each sending device, it does not use the reserved resources by default to perform automatic gain control operations, which helps to reduce the resource overhead caused by the automatic gain control of the receiving device.
  • an embodiment of the present application further provides a communication method.
  • the communication method in this aspect corresponds to the communication method described in the first aspect, and the communication method in this aspect is described from the transmitting device side (applicable to a device or chip of the transmitting device).
  • the transmitting device receives a first indication, and the first indication is used to indicate whether one or more transmitting devices reserve resources for signals and/or channels sent to the receiving device.
  • the transmitting device determines whether to reserve resources for the signals and/or channels sent to the receiving device based on the first indication.
  • the sending device determines whether to reserve resources for the signal and/or channel sent to the receiving device based on the received first indication, rather than reserving resources for the signal and/or channel sent by the receiving device by default. This is beneficial for the receiving device to receive the signal and/or channel from the sending device without using reserved resources for automatic gain control operations, which in turn helps to reduce the resource overhead caused by the automatic gain control operation.
  • the first indication is specifically used to instruct the first sending device to reserve resources for the signal and/or channel sent to the receiving device, and one or more second sending devices not to reserve resources for the signal and/or channel sent to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by one or more second sending devices to the receiving device are located after the time domain resources occupied by the signals and/or channels sent by the first sending device to the receiving device.
  • the transmitting device determines to reserve resources for the signal and/or channel to be sent to the receiving device according to the first indication; when the transmitting device is the second transmitting device, the transmitting device determines not to reserve resources for the signal and/or channel to be sent to the receiving device according to the first indication.
  • the receiving device receives the signal and/or channel from the second transmitting device, the reserved resources are not used to perform the automatic gain control operation, thereby reducing the resource overhead caused by the automatic gain control operation.
  • the first sending device and one or more second sending devices are all within a first geographical location range or a first transmission delay range of the receiving device; and/or, when the first sending device and one or more second sending devices send signals and/or channels to the receiving device, the signal strength of the signal and/or channel received by the receiving device is within the first signal strength range.
  • This approach can make the fluctuation range of the received power of the received signal and/or channel smaller when the receiving device receives the signal and/or channel from the first transmitting device and one or more second transmitting devices.
  • the first transmitting device reserves resources for the signal and/or channel sent to the receiving device, while the one or more second transmitting devices may not reserve resources for the signal and/or channel sent to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by the first transmitting device and one or more second transmitting devices to the receiving device are continuous in the time domain. Therefore, when the one or more second transmitting devices reserve resources for the signals and/or channels sent by the first transmitting device to the receiving device, they may not reserve resources for the signals and/or channels sent to the receiving device, which is beneficial to reducing the resource overhead caused by the automatic gain control operation of the receiving device.
  • the time domain resources occupied by the first sending device, and the signals and/or channels sent by one or more second sending devices to the receiving device are discontinuous in the time domain, and there is no third sending device sending signals and/or channels to the receiving device between the time domain resources occupied by the first sending device and the one or more second sending devices to the receiving device.
  • the third sending device is a sending device located outside the first geographical location range or the first transmission delay range of the receiving device, and/or, when sending signals and/or channels to the receiving device, the signal strength of the signal and/or channel received by the receiving device is outside the first signal strength range.
  • time domain resources occupied by the signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device are discontinuous in the time domain, there is no other sending device transmitting to the receiving device within the range of time domain resources occupied by the signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device.
  • one or more second transmitting devices reserve resources for the signal and/or channel sent by the first transmitting device to the receiving device, they may not reserve resources for the signal and/or channel sent to the receiving device, which is beneficial to reducing the resource overhead caused by the automatic gain control operation of the receiving device.
  • the sending device may further send a second indication, the second indication being used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device; and according to the second indication, the signal and/or channel is sent to the receiving device.
  • This approach enables the receiving device to determine whether to perform an automatic gain operation when receiving a signal and/or channel from the sending device based on feedback from the sending device.
  • the sending device may also receive a third indication, where the third indication is used to indicate that the time domain resources occupied by the signal and/or channel sent to the receiving device will be adjusted to the first time domain resources; and the time domain resources occupied by the signal and/or channel sent to the receiving device will be adjusted to the first time domain resources.
  • this method is beneficial for the receiving device or the centralized scheduling device to determine whether the first sending device and one or more second sending devices reserve resources for signals and/or channels sent to the receiving device.
  • this method is beneficial for more sending devices to not reserve resources for signals and/or channels sent to the receiving device, thereby reducing the resource overhead caused by using reserved resources for automatic gain control operations.
  • the first indication is specifically used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop when the sending device of the multi-hop communication communicates with the receiving device of its current hop.
  • This method enables the sending device in multi-hop communication to determine whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop based on the first indication, thereby helping to reduce the resource overhead caused by the receiving device of the current hop using reserved resources for automatic gain control operations.
  • the signals and/or channels sent by one or more sending devices to the receiving device are all sent periodically.
  • This method is beneficial for the sending device to determine whether to reserve resources for the signal and/or channel sent to the receiving device according to the first indication when sending the periodic signal and/or channel to the receiving device in each cycle, thereby facilitating the receiving device to receive the periodic signal and/or channel in each cycle of the sending device without the need to default to reserved resources as an automatic gain control operation, which is beneficial to reducing resource overhead.
  • resource reservation includes: performing a puncturing operation on symbols of a signal and/or channel used to be sent to a receiving device, so as to ensure that the receiving device performs an automatic gain control operation on the symbol.
  • resource reservation includes: repeatedly sending the signal and/or channel sent to the receiving device on the symbol, so that the receiving device receives as many signals and/or channels as possible after completing the automatic gain control operation, so as to improve the receiving performance.
  • the first indication is specifically used to indicate whether one or more sending devices reserve resources on the first frequency domain resources for the signal and/or channel sent to the receiving device.
  • the transmitting device may also receive a fourth indication, and the fourth indication is used to indicate whether one or more fifth transmitting devices reserve resources on the second frequency domain resources for signals and/or channels sent to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by the one or more transmitting devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by the one or more fifth transmitting devices to the receiving device, and the overlap includes partial overlap or full overlap.
  • the one or more sending devices, and the one or more fifth sending devices may send signals and/or channels to the receiving device on different frequency domain resources.
  • this method can ensure that each sending device does not reserve resources for the signals and/or channels sent to the receiving device by default, so that when the receiving device receives the signals and/or channels from each sending device, it is not configured with reserved resources for automatic gain control operations by default, which is beneficial to reduce the resource overhead caused by the automatic gain control operations of the receiving device.
  • the present application further provides a communication device.
  • the communication device has the function of implementing some or all of the functions described in any one of the first and second aspects above.
  • the functions of the communication device may have the functions of some or all of the embodiments described in the first aspect of the present application, or may have the function of implementing any one of the embodiments of the present application separately.
  • the functions may be implemented by hardware, or may be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a processing unit and a communication unit, wherein the processing unit is configured to support the communication device to perform corresponding functions in the above method.
  • the communication unit is used to support the sending and receiving of signals.
  • the communication device may also include a storage unit, which is used to couple with the processing unit and the communication unit and store necessary program instructions and data for the communication device.
  • the communication device includes a communication unit and a processing unit;
  • the processing unit is used to determine a first indication; the first indication is used to indicate whether one or more sending devices reserve resources for a signal and/or channel sent to a receiving device;
  • the communication unit is used to send the first indication to the one or more sending devices.
  • the communication device can also execute the methods in various possible implementations of the first aspect above.
  • Other possible implementations can refer to the relevant content of the first aspect above, which will not be described in detail here.
  • the communication device includes a communication unit and a processing unit;
  • the communication unit is configured to receive a first indication; the first indication is configured to indicate whether one or more sending devices reserve resources for a signal and/or channel sent to a receiving device;
  • the processing unit is used to determine whether to reserve resources for the signal and/or channel sent to the receiving device according to the first indication.
  • the communication device can also execute the methods in various possible implementations of the first aspect above.
  • Other possible implementations can refer to the relevant content of the second aspect above, which will not be described in detail here.
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the processing unit may be a processor
  • the device includes a transceiver and a processor
  • the processor is configured to determine a first indication; the first indication is configured to indicate whether one or more sending devices reserve resources for a signal and/or channel sent to a receiving device;
  • the transceiver is used to send the first indication to the one or more sending devices.
  • the communication device includes a transceiver and a processor
  • the transceiver is used to receive a first indication; the first indication is used to indicate whether one or more sending devices reserve resources for signals and/or channels sent to a receiving device;
  • the processor is used to determine, according to the first indication, whether to reserve resources for the signal and/or channel sent to the receiving device.
  • the communication device is a chip or a chip system.
  • the processing unit may also be embodied as a processing circuit or a logic circuit; the transmitting unit may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or the chip system.
  • the processor can be used to perform, for example, but not limited to, baseband related processing
  • the transceiver can be used to perform, for example, but not limited to, radio frequency transceiver.
  • the above-mentioned devices can be respectively arranged on chips independent of each other, or at least partially or completely arranged on the same chip.
  • the processor can be further divided into an analog baseband processor and a digital baseband processor.
  • the analog baseband processor can be integrated with the transceiver on the same chip, and the digital baseband processor can be arranged on an independent chip. With the continuous development of integrated circuit technology, more and more devices can be integrated on the same chip.
  • a digital baseband processor can be integrated with a variety of application processors (such as but not limited to a graphics processor, a multimedia processor, etc.) on the same chip.
  • application processors such as but not limited to a graphics processor, a multimedia processor, etc.
  • SoC system on a chip
  • the embodiment of the present application does not limit the implementation form of the above-mentioned devices.
  • the present application also provides a processor for executing the above-mentioned various methods.
  • the process of sending the above-mentioned information and receiving the above-mentioned information in the above-mentioned methods can be understood as the process of the processor outputting the above-mentioned information and the process of the processor receiving the above-mentioned information input.
  • the processor When outputting the above-mentioned information, the processor outputs the above-mentioned information to the transceiver so that it can be transmitted by the transceiver. After being output by the processor, the above-mentioned information may also need to be processed in other ways before it reaches the transceiver.
  • the transceiver receives the above-mentioned information and inputs it into the processor. Furthermore, after the transceiver receives the above-mentioned information, the above-mentioned information may need to be processed in other ways before it is input into the processor.
  • the processor may be a processor specifically used to execute these methods, or may be a processor that executes computer instructions in a memory to execute these methods, such as a general-purpose processor.
  • the memory may be a non-transitory memory, such as a read-only memory (ROM), which may be integrated with the processor on the same chip or may be separately arranged on different chips.
  • ROM read-only memory
  • the present application also provides a communication system, which includes one or more network devices and one or more terminal devices.
  • the system may also include other devices that interact with the network devices and the terminal devices.
  • the sending device and the receiving device in the embodiment of the present application are different terminal devices in the system; the centralized scheduling device can be a network device in the system or a terminal device in the system.
  • the present application provides a computer-readable storage medium for storing instructions, which, when executed by a computer, implements the method described in any one of the first and second aspects above.
  • the present application further provides a computer program product comprising instructions, which, when executed on a computer, implements the method described in any one of the first and second aspects above.
  • the present application provides a chip system, which includes a processor and an interface, wherein the interface is used to obtain a program or instruction, and the processor is used to call the program or instruction to implement or support a receiving device or a centralized scheduling device to implement the functions involved in the first aspect, or to implement or support a sending device to implement the functions involved in the second aspect. For example, determine or process at least one of the data and information involved in the above method.
  • the chip system also includes a memory, which is used to store program instructions and data necessary for the terminal.
  • the chip system can be composed of chips, or it can include chips and other discrete devices.
  • the present application provides a communication device, comprising a processor for executing a computer program or executable instructions stored in a memory, so that when the computer program or executable instructions are executed, the device executes a method in any possible implementation of the first aspect and the second aspect.
  • the processor and the memory are integrated together;
  • the memory is located outside the communication device.
  • the beneficial effects of the third to ninth aspects can refer to the beneficial effects of the first and second aspects, and will not be repeated here.
  • FIG1 is a schematic diagram of a system architecture provided by an embodiment of the present application.
  • FIG2 is a schematic diagram of a contention-based resource configuration transmission provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a centralized resource configuration transmission provided by an embodiment of the present application.
  • FIG4 is a schematic diagram of time domain resources occupied by data transmission provided in an embodiment of the present application.
  • FIG5 is an interactive schematic diagram of a communication method provided in an embodiment of the present application.
  • FIG6 is an interactive schematic diagram of another communication method provided in an embodiment of the present application.
  • FIG7 is a schematic diagram of another resource configuration transmission based on contention provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of time domain resources occupied by a signal and/or channel provided in an embodiment of the present application.
  • FIG9 is a schematic diagram of another centralized resource configuration transmission provided in an embodiment of the present application.
  • FIG10 is a schematic diagram of time domain resources occupied by another signal and/or channel provided in an embodiment of the present application.
  • FIG11 is an interactive schematic diagram of another communication method provided in an embodiment of the present application.
  • FIG12 is a schematic diagram of a multi-hop communication scenario provided in an embodiment of the present application.
  • FIG13 is an interactive schematic diagram of another communication method provided in an embodiment of the present application.
  • FIG14 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.
  • FIG15 is a schematic diagram of the structure of another communication device provided in an embodiment of the present application.
  • a wireless communication system may include one or more network devices and one or more terminal devices.
  • a wireless communication system may also perform point-to-point communication, such as communication between multiple terminal devices.
  • the wireless communication systems mentioned in the embodiments of the present application include but are not limited to: narrowband Internet of Things (NB-IoT) system, long term evolution (LTE) system, three major application scenarios of 5G/6G mobile communication systems: enhanced mobile broadband (eMBB), ultra-reliable low latency communication (URLLC) and massive machine type communication (mMTC), wireless fidelity (WiFi) system, etc.
  • NB-IoT narrowband Internet of Things
  • LTE long term evolution
  • 5G/6G mobile communication systems enhanced mobile broadband (eMBB), ultra-reliable low latency communication (URLLC) and massive machine type communication (mMTC), wireless fidelity (WiFi) system, etc.
  • eMBB enhanced mobile broadband
  • URLLC ultra-reliable low latency communication
  • mMTC massive machine type communication
  • WiFi wireless fidelity
  • the network device is a device with wireless transceiver functions, which is used to communicate with the terminal device. It can be an evolved base station (evolved Node B, eNB or eNodeB) in LTE, or a base station in a 5G/6G network or a base station in a future evolved public land mobile network (public land mobile network, PLMN), a broadband network service gateway (broadband network gateway, BNG), an aggregation switch or a non-third generation partnership project (3GPP) access device, etc.
  • eNB evolved Node B
  • eNodeB evolved public land mobile network
  • PLMN public land mobile network
  • BNG broadband network service gateway
  • 3GPP non-third generation partnership project
  • the network devices in the embodiments of the present application may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, access points, devices that realize base station functions in the future, access points (AP) in WiFi systems, transmitting and receiving points (TRP), transmitting points (TP), mobile switching centers, and devices that assume base station functions in device-to-device (D2D), vehicle-to-everything (V2X), and machine-to-machine (M2M) communications, devices that realize base station functions in communication systems that evolve after 5G, Integrated access and backhaul (IAB) may also include a centralized unit (CU) and a distributed unit (DU) in a cloud radio access network (C-RAN) system, and network equipment in a non-terrestrial network (NTN) communication system, that is, it may be deployed on a high-altitude platform or a satellite, and may also be various types of equipment constituting an access node, such as an active antenna unit (AAU) and a baseband
  • Network devices can communicate and interact with core network devices to provide communication services to terminal devices.
  • Core network devices are, for example, devices in the 5G network core network (CN).
  • CN 5G network core network
  • the core network provides an interface to the data network, provides communication connection, authentication, management, policy control, and data service bearing for the terminal.
  • the terminal devices involved in the embodiments of the present application may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem.
  • the terminal device may also be referred to as a terminal.
  • the terminal device may also refer to user equipment (UE), access terminal, subscriber unit, user agent, cellular phone, smart phone, wireless data card, personal digital assistant (PDA) computer, tablet computer, wireless modem, handheld device (handset), laptop computer, smart point of sale (POS) machine, customer-premises equipment (CPE), machine type communication (MTC) terminal, communication equipment carried on high-altitude aircraft , wearable devices, drones, robots, terminals in D2D, terminals in vehicle to everything (V2X), virtual reality (VR) terminal equipment, augmented reality (AR) terminal equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home or terminal
  • Contention-based resource configuration transmission refers to the acquisition of transmission resources for communication between terminal devices based on competition.
  • the listen before talk (LBT) mechanism is adopted between terminals to acquire transmission resources.
  • the sending terminal listens to the control information from other terminals, obtains the resources occupied by the transmission signals and/or channels of other terminals through the monitored control information, thereby determining the unoccupied idle resources, and then uses the idle resources to transmit signals and/or channels.
  • LBT listen before talk
  • terminal 1 monitors the control information from terminal 2 to terminal 7 based on the LBT mechanism, and can obtain the resources occupied by the transmission signals and/or channels from terminal 2 to terminal 7, thereby determining the unoccupied idle resources, and then determine its own transmission resources for transmitting signals and/or channels from the idle resources.
  • Centrally scheduled resource configuration transmission refers to the transmission of centralized scheduling resources for communication between terminals by a network device or source node.
  • the source node can be a network device or a terminal device.
  • the network device configures transmission resources for communication between terminals 1 to 5.
  • AGC Automatic gain control
  • the AGC can automatically reduce the gain; when the signal received by the receiving device is weak, the AGC can increase the gain to maintain the output signal power constant or within a certain range. Transmitting devices with large differences in transmission distances will cause the receiving device's received signal to fluctuate in a large range, resulting in a near-far effect, causing the receiving device to take a long time to adjust the receiving power for signals and/or channels from different transmitting devices at adjacent transmission times, so as to use the adapted receiving power to receive the signals and/or channels from each transmitting device.
  • the receiving device needs a certain amount of time to perform AGC operation.
  • the time required for the AGC operation is different.
  • the time required for the receiving device to perform AGC operation is less than or equal to 35us; when the subcarrier spacing is 30KHz, the time required for the receiving device to perform AGC operation is less than or equal to 18us; when the subcarrier spacing is 60KHz, the time required for the receiving device to perform AGC operation is less than or equal to 9us. It can be seen that the larger the subcarrier spacing of the signal received by the receiving device, the less time it takes to perform AGC operation.
  • the transmitting device reserves the first symbol of the transmitted signal and/or channel, i.e., reserves it for the receiving device to perform AGC operation.
  • the first symbol of the signal and/or channel can be used to perform AGC operation.
  • the time for the receiving device to perform AGC operations may be less than one symbol.
  • the transmitting device carries a signal or channel on the second symbol of the transmitted signal and/or channel, such as carrying a physical sidelink shared channel (PSSCH), a demodulation reference signal (DMRS), a phase tracking reference signal (PTRS), a channel state information-reference signal (CSI-RS), a physical sidelink control channel (PSCCH), etc.
  • PSSCH physical sidelink shared channel
  • DMRS demodulation reference signal
  • PTRS phase tracking reference signal
  • CSI-RS channel state information-reference signal
  • PSCCH physical sidelink control channel
  • the receiving device when the receiving device receives the signal and/or channel from the transmitting device, the receiving device performs an AGC operation on the first symbol of the signal and/or channel. If the time required for the AGC operation is short, such as less than the cyclic prefix (CP), the signal and/or channel can continue to be received within the symbol, so as to successfully receive as many signals and/or channels as possible, such as successfully decoding the channel in advance or using it for combined reception with subsequent channels and/or channels, thereby improving the receiving performance.
  • the time required for the AGC operation is short, such as less than the cyclic prefix (CP)
  • CP cyclic prefix
  • FIG4 is a time domain resource occupied by a signal and/or channel sent by a transmitting device to a receiving device.
  • the first symbol of the time domain resource is a resource reserved for the receiving device to perform an AGC operation, that is, the receiving device can perform an AGC operation within the first symbol.
  • the second symbol of the time domain resource carries PSCCH and DMRS.
  • the transmitting device also sends DMRS and PSCCH on the first symbol, that is, DMRS and PSCCH are repeatedly sent on the first symbol.
  • the receiving device can receive DMRS and PSCCH after completing the AGC operation within the first symbol, which can increase the probability of successfully receiving DMRS and PSCCH.
  • the second symbol may also include a physical downlink shared channel (PDSCH) at the same time, and the corresponding first symbol includes a repetition of the PDSCH.
  • PDSCH physical downlink shared channel
  • the transmitting device may also puncture the symbol of the signal and/or channel used to be sent to the receiving device, that is, the symbol is used for the receiving device to perform the AGC operation, which may result in poor reception performance.
  • the transmitting device punctures the first symbol occupied by the signal and/or channel used to be sent to the receiving device, so that the receiving device performs the AGC operation in the first symbol occupied by the signal and/or channel, and does not receive the signal and/or channel.
  • the embodiments of the present application can be applied to D2D communication and sidelink (SL) scenarios in V2X communication.
  • the embodiments of the present application can be applied to drone/unmanned workshop communication, direct communication between machines in factories, augmented reality, virtual reality and extended reality device communication.
  • the first sending device and one or more second sending devices in the embodiments of the present application can be understood as terminal devices capable of sending signals and/or channels to the receiving device, and the receiving device can be understood as a terminal device capable of receiving signals and/or channels from the first sending device and one or more second sending devices.
  • the first device is a receiving device
  • the receiving device is a receiving terminal
  • the one or more sending devices are sending terminals that send signals/channels to the receiving terminal.
  • the first device is a centralized scheduling device
  • the receiving device is a receiving terminal
  • one or more sending devices are sending terminals that send signals and/or channels to the receiving terminal.
  • the centralized scheduling device can be a network device, a terminal device, a source node, or a scheduling node where the source is separated from the scheduling node.
  • the signals in the embodiments of the present application include but are not limited to synchronization signals, reference signals, data signals, control signals, etc.
  • the channels in the embodiments of the present application include but are not limited to data channels, control channels, PSSCH, PSCCH, physical uplink control channel (physical uplink control channel, PUCCH), physical uplink shared channel (physical uplink shared channel, PUSCH), physical downlink control channel (physical downlink control channel, PDCCH) and PDSCH, etc.
  • FIG5 is an interactive schematic diagram of the communication method 100.
  • the first device indicates to one or more sending devices through a first indication whether to reserve resources for a signal and/or channel sent to a receiving device, so that when each of the one or more sending devices sends a signal and/or channel to a receiving device, it is determined according to the first indication whether to reserve resources for the signal and/or channel sent to the receiving device.
  • the communication method 100 includes but is not limited to the following steps:
  • a first device determines a first indication, where the first indication is used to indicate whether one or more sending devices reserve resources for a signal and/or channel sent to a receiving device.
  • resource reservation includes: performing a puncturing operation on symbols of a signal and/or channel to be sent to a receiving device. For example, when a sending device sends a signal and/or channel to a receiving device, a puncturing operation is performed on the first symbol occupied by the signal and/or channel to be sent to the receiving device, that is, the sending device does not send the signal and/or channel on the first symbol occupied by the signal and/or channel to be sent to the receiving device, so that the receiving device uses the first symbol to perform an AGC operation.
  • resource reservation includes: repeatedly sending the signal and/or channel sent to the receiving device in symbols.
  • the sending device repeatedly sends the signal and/or channel sent to the receiving device in the first symbol, so that the receiving device can receive the signal and/or channel from the sending device after performing the AGC operation in the first symbol.
  • the transmitting device reserves resources for the signal and/or channel sent to the receiving device, it means that when the receiving device receives the signal and/or channel from the transmitting device, the reserved resources are used to perform the AGC operation, that is, the receiving device uses the time domain resources occupied by the signal and/or channel to perform the AGC operation.
  • the transmitting device does not reserve resources for the signal and/or channel sent to the receiving device, it means that when the receiving device receives the signal and/or channel from the transmitting device, it is not necessary to use the time domain resources occupied by the signal and/or channel to perform the AGC operation, or the receiving device can complete the AGC operation in a shorter time such as within the CP, and the receiving device can receive the signal and/or signal based on the time domain resources occupied by the signal and/or channel, thereby reducing the resource overhead caused by the AGC operation.
  • the first indication when the first indication is used to instruct the sending device to reserve resources for the signal and/or channel sent to the receiving device, it can also be understood that the first indication is used to instruct the sending device to turn on the AGC reservation time.
  • the first indication when the first indication is used to instruct the sending device not to reserve resources for the signal and/or channel sent to the receiving device, it can also be understood that the first indication is used to instruct the sending device to turn off the AGC reservation time.
  • the first device may also pre-acquire the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device, as well as the geographic location information of each sending device in the one or more sending devices.
  • the geographic location information may include the distance between the sending device and the receiving device, the angle from the sending device to the receiving device, and the geographic location coordinates of the sending device.
  • the geographic location coordinates may be the longitude, latitude, and altitude of the relative position or the absolute position.
  • the angle from the sending device to the receiving device may be the angle of arrival (angle of arrival, AOA), the vertical angle of arrival (zenith angle of arrival, ZOA), etc.
  • the receiving device may determine whether each sending device reserves resources for the signals and/or channels sent to the receiving device, i.e., determine the first indication, based on the location range of each sending device in the one or more sending devices in the receiving device, and the time domain resources occupied by the signals and/or channels sent by each sending device to the receiving device.
  • the first device divides the transmitting devices whose geographical locations are within the same geographical location range of the receiving device into a group, and for the multiple transmitting devices in the group whose time domain resources occupied by the signals and/or channels sent to the receiving device are adjacent in the time domain, the first device determines the time domain resources occupied by the signals and/or channels sent to the receiving device among the multiple transmitting devices, and the first transmitting device that is closer in the time domain reserves resources for the signals and/or channels sent to the receiving device, and the time domain resources occupied by the signals and/or channels sent to the receiving device, and one or more transmitting devices that are located later in the time domain do not reserve resources for the signals and/or channels sent to the receiving device.
  • the transmitting device that sends the signals and/or channels to the receiving device at the earliest time reserves resources for the signals and/or channels sent to the receiving device
  • the one or more transmitting devices that send the signals and/or channels to the receiving device at the later time do not reserve resources for the signals and/or channels sent to the receiving device.
  • the first device is a receiving terminal
  • the transmitting terminals communicating with the receiving terminal include transmitting terminal 1, transmitting terminal 2, and transmitting terminal 3.
  • the receiving terminal obtains the geographical location information of transmitting terminal 1, transmitting terminal 2, and transmitting terminal 3, as well as the time domain resources occupied by the signals and/or channels respectively sent by transmitting terminal 1, transmitting terminal 2, and transmitting terminal 3 to the receiving terminal.
  • the receiving terminal learns that transmitting terminal 1 and transmitting terminal 3 are in the same geographical location range of the receiving terminal, and the time domain resources occupied by the signals and/or channels sent by transmitting terminal 1 to the receiving terminal and the time domain resources occupied by the signals and/or channels sent by transmitting terminal 3 to the receiving terminal are adjacent in the time domain.
  • the receiving terminal determines that the signals and/or channels received from transmitting terminal 1 and transmitting terminal 3 are respectively received, the receiving power fluctuation of the received signals and/or channels is small. Therefore, the receiving terminal determines that the transmitting terminal 1 with a previous transmission time reserves resources for the signals and/or channels sent to the receiving terminal, and the transmitting terminal 3 with a subsequent transmission time does not reserve resources for the signals and/or channels sent to the receiving terminal.
  • the sending terminal 2, the sending terminal 1 and the sending terminal 3 are not in the same geographical location range as the receiving terminal. The receiving terminal determines that the sending terminal 2 reserves resources for the signal and/or channel sent to the receiving terminal.
  • the receiving terminal receives signals and/or channels from transmitting terminal 1 and transmitting terminal 2, it needs to use reserved resources to perform AGC operations.
  • receiving signals and/or channels from transmitting terminal 3 it does not need to use reserved resources to perform AGC operations, thereby reducing the resource overhead caused by the AGC operation.
  • the first device obtains the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device, as well as the transmission delay/transmission time when each sending device sends the signal and/or channel to the receiving device.
  • the first device can determine the geographical location range of the receiving device where each sending device is located based on the transmission delay/transmission time when each sending device sends the signal and/or channel to the receiving device, and further determine whether each of the one or more sending devices reserves resources for the signal and/or channel sent to the receiving device based on the time domain resources occupied by the signals and/or channels sent by the one or more sending devices to the receiving device, as well as the geographical location range of the receiving device where each sending device is located.
  • the first device may also determine whether each of the one or more sending devices reserves resources for the signals and/or channels sent to the receiving device based on the time domain resources occupied by the signals and/or channels sent by the one or more sending devices to the receiving device, and the range of the transmission delay/transmission time when each sending device sends the signal and/or channel to the receiving device.
  • the first device is a receiving terminal
  • the sending terminals communicating with the receiving terminal include sending terminal 1, sending terminal 2, and sending terminal 3.
  • the sending terminal obtains the transmission delay when sending terminal 1, sending terminal 2, and sending terminal 3 send signals and/or channels to the receiving terminal, and the time domain resources occupied by the signals and/or channels sent by sending terminal 1, sending terminal 2, and sending terminal 3 to the receiving terminal respectively.
  • the receiving terminal learns that the transmission delay when sending terminal 1 and sending terminal 2 send signals and/or channels to the receiving terminal is within the same transmission delay range, and the time domain resources occupied by the signal and/or channel sent by sending terminal 1 to the receiving terminal and the time domain resources occupied by the signal and/or channel sent by sending terminal 2 to the receiving terminal are adjacent in the time domain.
  • the receiving terminal determines that the sending terminal 1 with a previous sending time reserves resources for the signal and/or channel sent to the receiving terminal, and the sending terminal 2 with a later sending time does not reserve resources for the signal and/or channel sent to the receiving terminal.
  • the transmission delay when the sending terminal 3 sends a signal and/or a channel to the receiving terminal does not belong to the same transmission delay range as the transmission delay when the sending terminal 1 and the sending terminal 2 send a signal and/or a channel to the receiving terminal. Therefore, the receiving terminal determines that the sending terminal 3 reserves resources for the signal and/or channel sent to the receiving terminal.
  • the first device may obtain the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device, as well as the signal strength or signal strength range when each of the one or more sending devices sends a signal and/or channel to the receiving device and the signal and/or channel received by the receiving device from each sending device. The first device then determines whether each of the one or more sending devices reserves resources for the signals and/or channels sent to the receiving device based on the time domain resources occupied by the signals and/or channels sent by the one or more sending devices to the receiving device and the signal strength or signal strength range when the signals and/or channels received by the receiving device from each sending device.
  • the first device determines whether each of the one or more sending devices reserves resources for the signal and/or channel sent to the receiving device based on the time domain resources occupied by the signal and/or channel sent by the one or more sending devices to the receiving device, and the signal strength or signal strength range when the receiving device receives the signal and/or channel from each sending device.
  • the first device determines whether each of the one or more sending devices reserves resources for the signal and/or channel sent to the receiving device based on the time domain resources occupied by the signal and/or channel sent by the one or more sending devices to the receiving device and the geographical location range of the receiving device where each sending device is located. No further details are given.
  • the first device can determine that some of the one or more transmitting devices reserve resources for signals and/or channels sent to the receiving device, and can also determine that some of the transmitting devices do not reserve resources for signals and/or channels sent to the receiving device. This is beneficial for the receiving device to configure reserved resources for some of the transmitting devices to perform AGC operations when receiving signals and/or channels from the one or more transmitting devices, and it can also not configure reserved resources for the remaining transmitting devices to perform AGC operations, which is beneficial to reduce the resource overhead caused by the receiving device configuring reserved resources for AGC operations.
  • the first device may determine multiple first indications, each first indication corresponding to a sending device. That is, the first device may determine the first indication of each sending device among multiple sending devices, each first indication being used to indicate whether the sending device reserves resources for a signal and/or channel sent to a receiving device.
  • the implementation method of the first device determining whether each sending device among multiple sending devices reserves resources for a signal and/or channel sent to a receiving device can be found above and will not be repeated here.
  • the first device can indicate whether to reserve resources for the signal and/or channel sent to the receiving device by the bit value of 1 bit in the first indication.
  • bit in the first indication used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device is 1, it means that resources are reserved for the signal and/or channel sent to the receiving device; when the bit in the first indication used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device is 0, it means that resources are not reserved for the signal and/or channel sent to the receiving device.
  • each sending device can determine its reserved resource indication according to its position in the indication bit sequence sent by the first device. This method is conducive to the sending device to determine whether to reserve resources for the signal and/or channel sent to the receiving device according to the bit value in the first indication. In addition, this method can also reduce signaling overhead.
  • the first indication when used to indicate whether multiple sending devices are reserving resources for signals and/or channels sent to a receiving device, the first indication may also include an identifier of each sending device among the multiple sending devices, and the identifier of each sending device is associated with whether the sending device is reserving resources for signals and/or channels sent to the receiving device.
  • This method is conducive to each sending device among the multiple sending devices determining from the first indication whether the sending device is reserving resources for signals and/or channels sent to the receiving device based on its own identifier.
  • the first indication when the first indication is used to indicate that some of the multiple transmitting devices reserve resources for signals and/or channels sent to the receiving device, the first indication may also include identifiers of the part of the transmitting devices.
  • the first indication when the first indication is used to indicate that another part of the multiple transmitting devices do not reserve resources for signals and/or channels sent to the receiving device, the first indication does not include identifiers of the part of the transmitting devices.
  • each transmitting device can determine whether to reserve resources for the signal and/or channel sent to the receiving device based on whether its own identifier is included in the first indication. This approach can reduce signaling overhead.
  • the first device sends a first indication to one or more sending devices.
  • each of the one or more sending devices receives the first indication.
  • the first device can send the first indication to the multiple sending devices by multicasting.
  • the first device determines multiple first indications, so that the first device can send the first indication of the sending device to each of the multiple sending devices via unicast.
  • the sending device determines, according to the first indication, whether to reserve resources for the signal and/or channel sent to the receiving device.
  • the sending device is any one of one or more sending devices.
  • the sending device can determine from the first indication whether to reserve resources for signals and/or channels sent to the receiving device based on the identifier of the sending device.
  • the sending device can obtain through the first indication whether to reserve resources for the signal and/or channel sent to the receiving device.
  • a puncturing operation is performed on symbols of the signal and/or channel to be sent to the receiving device.
  • the reserved resources are used to perform an AGC operation, and a puncturing operation is performed on symbols of the signal and/or channel to be received from the transmitting device.
  • the transmitting device determines to reserve resources for the signal and/or channel to be sent to the receiving device
  • the signal and/or channel to be sent to the receiving device is repeatedly sent on the symbol.
  • the receiving device receives the signal and/or channel from the transmitting device, it uses the reserved resources to perform an AGC operation, and after the AGC operation is completed, receives the signal and/or channel from the transmitting device.
  • the sending device determines not to reserve resources for the signal and/or channel sent to the receiving device
  • the signal and/or channel is sent to the receiving device according to the time domain resources occupied by the signal and/or channel sent to the receiving device. Accordingly, when the receiving device receives the signal and/or channel from the sending device, it is not necessary to use the reserved resources to perform the AGC operation.
  • the signal and/or channel is received according to the time domain resources occupied by the signal and/or channel sent by the sending device, which can reduce the resource overhead caused by the AGC operation.
  • the first device indicates to one or more transmitting devices whether to reserve resources for the signal and/or channel sent to the receiving device, so that when each of the one or more transmitting devices sends a signal and/or channel to the receiving device, it does not reserve resources by default, but determines whether to reserve resources for the signal and/or channel sent to the receiving device according to the first indication.
  • This is beneficial for the receiving device to receive the signal and/or channel from each of the one or more transmitting devices without using the reserved resources by default for AGC operation, which helps to reduce the resource overhead caused by the AGC operation.
  • the embodiment of the present application also provides a communication method 200
  • FIG6 is an interactive schematic diagram of the communication method 200.
  • the first device indicates to a first sending device among one or more sending devices through a first indication that resources are reserved for a signal and/or a channel sent to a receiving device, and indicates to one or more second sending devices among the one or more sending devices whose sending time is later than the first sending device that resources are not reserved for a signal and/or a channel sent to a receiving device.
  • the communication method 200 includes but is not limited to the following steps:
  • the first device determines a first indication, the first indication being used to instruct the first sending device to reserve resources for a signal and/or channel sent to the receiving device, and one or more second sending devices not to reserve resources for a signal and/or channel sent to the receiving device.
  • the receiving device is a receiving terminal
  • the first sending device can be understood as a first sending terminal
  • the second sending device can be understood as a second sending terminal.
  • the first sending terminal and one or more second sending terminals are all sending terminals for the receiving terminal, that is, the first sending terminal and one or more sending terminals are all sending terminals that send signals and/or channels to the receiving terminal.
  • the receiving terminal or the centralized scheduling device indicates to the first sending terminal to reserve resources for the signals and/or channels sent to the receiving terminal, and configures one or more second sending terminals not to reserve resources for the signals and/or channels sent to the receiving/receiving terminal.
  • the time domain resources occupied by the signals and/or channels sent by one or more second transmitting devices to the receiving device are located after the time domain resources occupied by the signals and/or channels sent by the first transmitting device to the receiving device. It can also be understood that the time when one or more second transmitting devices send signals and/or channels to the receiving device is located after the time when the first transmitting device sends signals and/or channels to the receiving device.
  • the first device may also pre-acquire the time domain resources occupied by the signals and/or channels sent by the multiple transmitting devices to the receiving device, thereby determining the first indication according to the time domain resources occupied by the signals and/or channels sent by the first transmitting device and one or more second transmitting devices to the receiving device.
  • the receiving device acquires the time domain resources occupied by the periodic signals and/or periodic channels sent by the multiple transmitting devices to the receiving device through the periodic reservation information or high-level signaling information of the sidelink control information (SCI).
  • SCI sidelink control information
  • implementation method of resource reservation can refer to the above-mentioned communication method 100, which will not be repeated here.
  • the first transmitting device and one or more second transmitting devices are all within the first geographical location range of the receiving device, or within the first transmission delay/first transmission time range.
  • the receiving device receives signals and/or channels from the first transmitting device, and one or more second transmitting devices, the power fluctuation range of the received signals and/or channels is small, for example, the power fluctuation range is within a preset range.
  • the receiving device can perform AGC operations on the signals and/or channels from the first transmitting device on the reserved resources, and subsequently, when receiving signals and/or channels from one or more second transmitting devices, there is no need to reserve resources for AGC operations.
  • the first device instructs the first transmitting device to reserve resources for the signal and/or channel sent to the receiving device, and instructs one or more second transmitting devices not to reserve resources for the signal and/or channel sent to the receiving device.
  • the receiving device receives the signal and/or channel from the one or more second transmitting devices, it does not need to reserve resources for the AGC operation, which is beneficial to reduce the resource overhead caused by the AGC operation.
  • the first device may pre-acquire the geographic locations of multiple transmitting devices that communicate with the receiving device.
  • the first device groups the multiple transmitting devices according to the geographic locations of the multiple transmitting devices that communicate with the receiving device, and classifies one or more transmitting devices that are within the same geographic location range from the receiving device into the same group.
  • the first device classifies one or more transmitting devices that belong to the same preconfigured geographic location range into the same group, and the preconfigured geographic location range is pre-set. This method allows the receiving device to receive signals and/or channels from the transmitting devices in each group with a smaller fluctuation range of the received power of the received signals and/or channels.
  • the first device is a receiving terminal.
  • the transmitting terminals communicating with the receiving terminal include transmitting terminal 1 to transmitting terminal 6, and transmitting terminal 1 and transmitting terminal 2 are within the same geographical location range of the receiving terminal, and transmitting terminal 3, transmitting terminal 4, transmitting terminal 5, and transmitting terminal 6 are within another geographical location range of the receiving terminal. Therefore, the receiving terminal classifies transmitting terminal 1 and transmitting terminal 2 into group 1, and classifies transmitting terminal 3, transmitting terminal 4, transmitting terminal 5, and transmitting terminal 6 into group 2.
  • the first transmitting terminal and one or more second transmitting terminals are some or all of the transmitting terminals in group 1 or group 2.
  • the first transmitting terminal is transmitting terminal 3, and the one or more second transmitting terminals include transmitting terminal 4, transmitting terminal 5, and transmitting terminal 6.
  • the receiving terminal can instruct the first transmitting terminal in group 1 and group 2 to reserve resources for the signal and/or channel sent to the receiving terminal, and instruct the second transmitting terminal in group 1 and group 2 not to reserve resources for the signal and/or channel sent to the receiving terminal.
  • each transmitting terminal sending a periodic signal and/or channel to a receiving terminal
  • the time domain resources occupied by the transmitting terminals in group 1 and group 2 in FIG7 for sending periodic signals and/or channels to the receiving terminal can be seen in FIG8.
  • the slash filled area in group 1 represents the time domain resources occupied by the transmitting terminal 2 for sending a periodic signal and/or channel to the receiving terminal
  • the slash filled area in group 2 represents the time domain resources occupied by the transmitting terminal 4 for sending a periodic signal and/or channel to the receiving terminal
  • the black filled area in group 1 represents the time domain resources occupied by the transmitting terminal 1 for sending a periodic signal and/or channel to the receiving terminal
  • the white filled area in group 2 represents the time domain resources occupied by the transmitting terminal 3, the transmitting terminal 5, and the transmitting terminal 6 for sending a periodic signal and/or channel to the receiving terminal.
  • the transmitting terminal 2 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal before the transmitting terminal 1 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal;
  • the transmitting terminal 4 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal before the transmitting terminal 3,
  • the transmitting terminal 5 and the transmitting terminal 6 send the time domain resources occupied by the periodic signal and/or channel to the receiving terminal.
  • the network device instructs the transmitting terminal 2 in group 1 and the transmitting terminal 4 in group 2 to reserve resources for the signal and/or channel sent to the receiving terminal through the first indication, and instructs the transmitting terminal 1 in group 1, and the transmitting terminal 3, the transmitting terminal 5 and the transmitting terminal 6 in group 2 not to reserve resources for the signal and/or channel sent to the receiving terminal through the first indication.
  • the first device is a network device.
  • the sending terminals communicating with the receiving terminal include sending terminals 1 to 4.
  • the network device determines that sending terminals 1 and 2 are in geographical location range 1 of the receiving terminal, and determines that sending terminals 3 and 4 are in geographical location range 2 of the receiving terminal based on the receiving terminal and the geographical location of each of the sending terminals 1 to 4.
  • the network device classifies sending terminals 1 and 2 into group 1, and classifies sending terminals 3 and 4 into group 2.
  • each transmitting terminal sends a periodic signal and/or channel to the receiving terminal.
  • the time domain resources occupied by the transmitting terminals in group 1 and group 2 in Figure 9 to send signals and/or channels to the receiving terminal can be seen in Figure 10.
  • the slash filled area in group 1 represents the time domain resources occupied by the transmitting terminal 1 to send a periodic signal and/or channel to the receiving terminal
  • the slash filled area in group 2 represents the time domain resources occupied by the transmitting terminal 3 to send a periodic signal and/or channel to the receiving terminal
  • the black filled area in group 1 represents the time domain resources occupied by the transmitting terminal 2 to send a periodic signal and/or channel to the receiving terminal
  • the white filled area in group 2 represents the time domain resources occupied by the transmitting terminal 4 to send a periodic signal and/or channel to the receiving terminal.
  • the transmitting terminal 1 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal before the transmitting terminal 2 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal; the transmitting terminal 3 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal before the transmitting terminal 4 sends the time domain resources occupied by the periodic signal and/or channel to the receiving terminal.
  • the network device instructs the transmitting terminal 1 in group 1 and the transmitting terminal 3 in group 2 to reserve resources for the signal and/or channel sent to the receiving terminal through the first indication, and instructs the transmitting terminal 2 in group 1 and the transmitting terminal 4 in group 2 not to reserve resources for the signal and/or channel sent to the receiving terminal through the first indication.
  • the first device may also pre-acquire the transmission delays between multiple sending devices communicating with the receiving device and the receiving device.
  • the transmission delay refers to the delay when the receiving device receives the signal and/or channel with reference to the sending time of the sending device sending the signal and/or channel to the receiving device.
  • the transmission delay may also be understood as the transmission time.
  • the first device After the first device obtains the transmission delays of multiple transmitting devices communicating with the receiving device and the receiving device, it determines one or more transmitting devices whose transmission delays/transmission times belong to the same range as a group. The first device then determines the first transmitting device and one or more second transmitting devices from the group based on the time domain resources occupied by the signal and/or channel sent by each transmitting device in the group to the receiving device.
  • multiple transmitting terminals communicating with the receiving terminal include transmitting terminal 1, transmitting terminal 2, transmitting terminal 3, transmitting terminal 4, and transmitting terminal 5.
  • the transmission delays between transmitting terminal 1 and transmitting terminal 4 and the receiving terminal are within transmission delay range 1
  • the transmission delays between transmitting terminal 2, transmitting terminal 3, and transmitting terminal 5 and the receiving terminal are within transmission delay range 2.
  • the receiving terminal classifies transmitting terminal 1 and transmitting terminal 4 into group 1, and classifies transmitting terminal 2, transmitting terminal 3, and transmitting terminal 5 into group 2.
  • the first transmitting terminal and one or more second transmitting terminals are part or all of the transmitting terminals in group 1 or group 2.
  • the first device obtains the transmission delay or transmission time between multiple sending devices communicating with the receiving device and the receiving device, it determines that each sending device is within the geographical location range of the receiving device based on the transmission delay or transmission time when each of the multiple sending devices sends a signal and/or channel to the receiving device, and then groups the multiple sending devices based on the geographical location range of each sending device within the receiving device.
  • the signal strength of the signals and/or channels received by the receiving device is within the first signal strength range.
  • the receiving device receives signals and/or channels from the first transmitting device and one or more second transmitting devices, the fluctuation range of its receiving power is also small, so that the first device determines that the first transmitting device reserves resources for the signals and/or channels sent to the receiving device, and the one or more second transmitting devices do not reserve resources for the signals and/or channels sent to the receiving device.
  • the first device may group multiple sending devices according to the signal strength range to which the signal strength of the signal and/or channel received by the receiving device belongs when each of the multiple sending devices sends a signal and/or channel to the receiving device.
  • the first device groups the sending devices corresponding to the signal strengths of the signals and/or channels received by the receiving devices that belong to the same signal strength range or a preset signal strength range into one group.
  • the first device is a receiving terminal
  • the transmitting terminals communicating with the receiving terminal include transmitting terminal 1, transmitting terminal 2, transmitting terminal 3, and transmitting terminal 4.
  • the signal strength of the signal and/or channel received by the receiving terminal from transmitting terminal 1 and transmitting terminal 4 belongs to signal strength range 1
  • the signal strength of the signal and/or channel received from transmitting terminal 2 and transmitting terminal 3 belongs to signal strength range 2.
  • the receiving terminal classifies transmitting terminal 1 and transmitting terminal 4 into group 1, and classifies transmitting terminal 2 and transmitting terminal 3 into group 2.
  • the preset geographical location range, or the preset signal strength range, or the preset transmission delay range, or the transmission time range is related to the AGC processing capability of the receiving device.
  • the preset geographical location range, or the preset signal strength range, or the preset transmission delay range, or the transmission time range does not need to add an additional symbol to the AGC processing time of the receiving device, such as the receiving device can complete the AGC operation within the current CP range, thereby reducing the resource overhead caused by the AGC operation.
  • the first device After the first device groups multiple sending devices that communicate with the receiving device, it determines the first sending device and one or more second sending devices in the group based on the time domain resources occupied by the signals and/or channels sent by the sending devices in each group to the receiving device, and then instructs the first sending device to reserve resources for the signals and/or channels sent to the receiving device, and instructs the one or more second sending devices not to reserve resources for the signals and/or channels sent to the receiving device.
  • time domain resources occupied by signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device are continuous in the time domain.
  • the signals and/or time domain resources occupied by the signals sent by the first transmitting device and one or more second transmitting devices to the receiving device are continuous in the time domain. Then, when the receiving device receives the signals and/or channels from the first transmitting device and one or more second transmitting devices, it will not receive the signals and/or channels from other transmitting devices.
  • the receiving power fluctuation range of the signals and/or channels received from the first transmitting device and one or more second transmitting devices is small, so the first device can instruct the first transmitting device to reserve resources for the signals and/or channels sent to the receiving device, and instruct one or more second transmitting devices not to reserve resources for the signals and/or channels sent to the receiving device, so that when the receiving device receives the signals and/or channels from one or more second transmitting devices, there is no need to reserve resources for AGC operation, which can reduce the resource overhead caused by the AGC operation.
  • the time domain resources occupied by the signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device are discontinuous in the time domain, and there is no third sending device sending signals and/or channels to the receiving device between the time domain resources occupied by the signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device.
  • the third sending device is a sending device located outside the first geographical location range, or outside the first transmission delay/first transmission time range, and/or, when sending a signal and/or a channel to a receiving device, the signal strength of the signal and/or channel received by the receiving device is outside the first signal strength range. It can also be understood that the third sending device is a sending device in a different group from the first sending device and one or more second sending devices.
  • time domain resources occupied by the signals and/or channels sent by the first transmitting device and one or more second transmitting devices to the receiving device are discontinuous in the time domain, and within the range of the time domain resources occupied by the signals and/or channels sent by the first transmitting device and one or more second transmitting devices to the receiving device, there is no third transmitting device outside the group that transmits to the receiving device.
  • the first device can still instruct the first transmitting device to reserve resources for the signals and/or channels sent to the receiving device, and one or more second transmitting devices do not reserve resources for the signals and/or channels sent to the receiving device, thereby helping to reduce the resource overhead caused by the AGC operation.
  • the first device may also send a third indication, and the third indication is used to instruct one or more fourth sending devices to adjust the time domain resources occupied by the signals and/or channels sent to the receiving device to the first time domain resources.
  • the fourth sending device is a sending device located in the first geographical location range, or in the first transmission delay/first transmission time range, and/or is a sending device that, when sending a signal and/or channel to the receiving device, the signal strength of the signal received by the receiving device is within the first signal strength range.
  • the fourth sending device includes the first sending device, and/or, one or more second sending devices.
  • the fourth sending device is the first sending device, and/or one or more second sending devices
  • the first device sends a third indication before determining the first indication
  • the third indication is used to instruct the first sending device, and/or one or more second sending devices to adjust the time domain resources occupied by the signals and/or channels sent to the receiving device to the first time domain resources.
  • the third indication can make the time domain resources occupied by the signal and/or channel sent by the first sending device to the receiving device and the time domain resources occupied by the signal and/or channel sent by one or more second sending devices to the receiving device continuous in the time domain; or, can make the time domain resources occupied by the signal and/or channel sent by the first sending device to the receiving device and the time domain resources occupied by the signal and/or channel sent by one or more second sending devices to the receiving device discontinuous in the time domain, but within the time domain resource range occupied by the signal and/or channel sent by the first sending device and one or more second sending devices to the receiving device, no other sending device sends a signal and/or channel to the receiving device.
  • This is further conducive to the first device indicating to the first sending device to reserve resources for the signal and/or channel sent to the receiving device, and indicating to the one or more second sending devices not to reserve resources for the signal and/or channel sent to the receiving device.
  • the fourth sending device is a sending device located in the first geographical location range, or in the first transmission delay/first transmission time range and other than the first sending device and one or more second sending devices, and/or, when sending a signal and/or a channel to a receiving device, the signal strength of the signal received by the receiving device is within the first signal strength range and other than the first sending device and one or more second sending devices, the first device may send a third instruction to the fourth device so that the fourth device adjusts the time domain resources occupied by the signal and/or channel sent to the receiving device to the first time domain resources. In this way, the first device may also instruct the fourth sending device not to reserve resources for the signal and/or channel sent to the receiving device, which can reduce the resource overhead caused by the AGC operation of the receiving device.
  • the first indication further includes a first sending device and a resource reservation indication corresponding to an identifier of the first sending device, an identifier of each of one or more second sending devices, and a resource reservation indication corresponding to the identifier of each of the one or more second sending devices.
  • the resource reservation indication corresponding to the identifier of the first sending device is used to indicate that resources are reserved for signals and/or channels sent to the receiving device
  • the resource reservation indication corresponding to the identifier of each of the one or more second sending devices is used to indicate that resources are not reserved for signals and/or channels sent to the receiving device. This method allows the first sending device and each of the one or more second sending devices to determine from the first indication whether it reserves resources for signals and/or channels sent to the receiving device.
  • the sending device determines the first indication, including: the sending device determines the first indication of the first sending device and the first indication of one or more second sending devices.
  • the first indication of the first sending device is used to indicate that resources are reserved for the signal and/or channel sent to the receiving device, and the first indication of the one or more second sending devices is used to indicate that resources are not reserved for the signal and/or channel sent to the receiving device.
  • the first device indicates whether to reserve resources for the signal and/or channel sent to the receiving device through a 1-bit bit value in the first indication.
  • the specific implementation method can be found in the above-mentioned communication method 100 and will not be repeated here.
  • S202 The first device sends a first indication.
  • the sending device receives the first indication.
  • the sending device may be a first sending device, or may be any one of one or more second sending devices.
  • the first device may send the first indication to the first sending device and one or more second sending devices by way of multicast or unicast.
  • the first device when the first sending device and each of the one or more second sending devices corresponds to a first indication, the first device sends the first indication of the sending device to each sending device in a unicast manner.
  • a sending device outside the group that is in a different group from the first sending device and the one or more second sending devices can detect the first indication of the first sending device and the one or more sending devices through control information.
  • the third sending device can learn about the situation of the first sending device and the one or more second sending devices sending signals and/or channels to the receiving device, which includes the configuration of reserved resources and the configuration of sending resources.
  • the first device may also send the first indication to the third device. That is, the first device may also send the first indication to a transmitting device in a different group from the first transmitting device and the one or more second transmitting devices, so that the third transmitting device outside the group may learn about the first transmitting device and the one or more second transmitting devices sending signals and/or channels to the receiving device, including the configuration of reserved resources and the configuration of transmission resources.
  • the third transmitting device may send signals and/or channels to the receiving device as far as possible without being within the time domain resource range occupied by the signals and/or channels sent to the receiving device by the first transmitting device and one or more second transmitting devices.
  • This method is conducive to reducing the resource overhead caused by the need to reserve resources for AGC configuration of the receiving device, or the performance loss caused by AGC adaptation due to the need for the receiving device to perform AGC operation.
  • the sending device determines, according to the first indication, whether to reserve resources for the signal and/or channel sent to the receiving device.
  • the transmitting device When the transmitting device is a first transmitting device, the first transmitting device determines to reserve resources for a signal and/or a channel to be sent to the receiving device according to the first indication. Thus, when the first transmitting device sends a signal and/or a channel to the receiving device, the resource reservation is performed. Accordingly, when the receiving device receives a signal and/or a channel from the first transmitting device, the AGC operation is performed.
  • the second transmitting device determines, according to the first indication, not to reserve resources for the signal and/or channel to be sent to the receiving device.
  • the second transmitting device sends a signal and/or channel to the receiving device, no resource reservation is performed.
  • the receiving device receives the signal and/or channel from the second transmitting device, it is not necessary to use the reserved resources for the AGC operation, thereby reducing the resource overhead caused by reserving resources for the AGC operation.
  • the sending device may also determine on its own whether to reserve resources for the signal and/or channel sent to the receiving device without adopting the result determined based on the first indication.
  • the second sending device determines not to reserve resources for the signal and/or channel sent to the receiving device according to the first indication, but the second sending device determines to reserve resources for the signal and/or channel sent to the receiving device based on the channel change.
  • resources are reserved.
  • the first sending device and/or one or more second sending devices when the first sending device and/or one or more second sending devices determine whether to reserve resources for a signal and/or channel sent to a receiving device, the first sending device and/or one or more second sending devices send a second indication to the receiving device, where the second indication is used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device.
  • the first sending device and the one or more second sending devices can send signals and/or channels to the receiving device based on the second indications sent by themselves.
  • the receiving device may also receive a second indication from the first sending device and/or one or more second sending devices. Further, the receiving device receives signals and/or channels from the first sending device and one or more second sending devices based on the second indication.
  • the first sending device sends the second indication to the receiving device.
  • the receiving device receives the second indication from the first sending device.
  • one or more second sending devices send the second indication to the receiving device.
  • the receiving device receives the second indication from the one or more second sending devices.
  • the first sending device is a sending terminal 1, and one or more second sending devices include a sending terminal 2, a sending terminal 3, a sending terminal 4, and a sending terminal 5.
  • the sending terminal 1 determines to reserve resources for the signal and/or channel sent to the receiving terminal according to the first indication
  • the sending terminal 2, the sending terminal 3, and the sending terminal 5 determine not to reserve resources for the signal and/or channel sent to the receiving terminal according to the first indication
  • the sending terminal 4 determines to reserve resources for the signal and/or channel sent to the receiving terminal according to the channel change.
  • the sending terminal 1 to the sending terminal 5 all send a second indication to the receiving terminal.
  • the second indication sent by the sending terminal 1 and the sending terminal 4 to the receiving terminal is used to indicate that resources are reserved for the signal and/or channel sent to the receiving terminal
  • the second indication sent by the sending terminal 2, the sending terminal 3, and the sending terminal 5 to the receiving terminal is used to indicate that resources are not reserved for the signal and/or channel sent to the receiving terminal.
  • the reserved resources are used to perform AGC operations.
  • the receiving terminal receives signals and/or channels from transmitting terminal 2, transmitting terminal 3, and transmitting terminal 5, the reserved resources are not used to perform AGC operations, thereby reducing resource overhead caused by AGC operations.
  • a second indication is sent to the receiving device, where the second indication is used to indicate that resources are reserved for the signal and/or the channel sent to the receiving device.
  • the receiving device does not receive the second indication from a certain sending device, it is assumed that the sending device does not reserve resources for the signal and/or the channel sent to the receiving device.
  • a second indication is sent to the receiving device, where the second indication is used to indicate not to reserve resources for the signal and/or channel sent to the receiving device.
  • the sending device reserves resources for the signal and/or channel sent to the receiving device.
  • Both implementation modes of sending a second indication to a receiving device when a first sending device and a sending device in one or more second sending devices determine to reserve resources for a signal and/or channel to be sent to a receiving device, or when determining not to reserve resources for a signal and/or channel to be sent to a receiving device, can save signaling overhead.
  • the first transmitting device and one or more second transmitting devices indicate to the receiving device whether they reserve resources for the signal and/or channel sent to the receiving device through the bit value of 1 bit in the second indication. For example, when the bit value of 1 bit in the second indication sent by the first transmitting device and each of the one or more second transmitting devices is 1, it means that resources are reserved for the signal and/or channel sent to the receiving device, and when the bit value of 1 bit in the second indication is 0, it means that resources are not reserved for the signal and/or channel sent to the receiving device.
  • each of the first transmitting device and the one or more second transmitting devices indirectly indicates whether to reserve resources for the signal and/or channel sent to the receiving device by indicating to the receiving device the time domain resources occupied by the transmitted signal and/or channel. For example, when the transmitting device indicates to the receiving device that the time domain resources occupied by the transmitted signal and/or channel include the first symbol in the first time slot, it indicates that the transmitting device reserves resources for the signal and/or channel sent to the receiving device; when the transmitting device indicates to the receiving device that the time domain resources occupied by the transmitted signal and/or channel do not include the first symbol in the first time slot, it indicates that the transmitting device does not reserve resources for the signal and/or channel sent by the receiving device.
  • the first sending device and one or more second sending devices indicate to the receiving device through the second indication whether to send a signal and/or a channel to the receiving device, which is conducive to the receiving device to quickly determine the time-frequency resources used when receiving the signal and/or channel from each sending device. If the first sending device and one or more second sending devices do not indicate to the receiving device through the second indication whether to reserve resources for the signal and/or channel sent to the receiving device, when the receiving device receives the signal and/or channel, it is necessary to determine the transmission resources of the signal and/or channel based on the detection of the control signal, such as the time-frequency resources used when the signal and/or channel to be received can be determined after all possible control resources are detected.
  • the signals and/or channels sent by the first sending device and one or more second sending devices to the receiving device are all sent periodically. That is, the first sending device and one or more second sending devices perform periodic services to the receiving device.
  • This method is beneficial for each of one or more sending devices to determine whether to reserve resources for the periodic signal and/or periodic channel sent to the receiving device based on the first indication when sending a periodic signal and/or periodic channel to the receiving device in each cycle. This is beneficial for the receiving device to not have to default to reserved resources as an automatic gain control operation when receiving the periodic signal and/or periodic channel in each cycle of each sending device, which is beneficial to reducing resource overhead.
  • the first transmitting device determines to reserve resources for a signal and/or channel to be sent to a receiving device based on a first indication, and one or more second transmitting devices determine not to reserve resources for a signal and/or channel to be sent to the receiving device based on the first indication.
  • the first transmitting device and one or more second transmitting devices still determine whether to reserve resources for a signal and/or channel to be sent to the receiving device based on the first indication, that is, the first transmitting device still reserves resources for a signal and/or channel to be sent to the receiving device during the second transmission cycle, and one or more second transmitting devices still do not reserve resources for a signal and/or channel to be sent to the receiving device during the second transmission cycle.
  • This method allows the receiving device to receive signals and/or channels from the first transmitting device during each transmission cycle of the first transmitting device and one or more second transmitting devices, and use the reserved resource configuration to perform AGC operations.
  • the receiving device when receiving signals and/or channels from one or more second transmitting devices, there is no need to reserve resources for AGC operations, thereby greatly reducing the resource overhead caused by AGC resource reservation.
  • the first device instructs the sending device that sends the signal and/or channel in the next transmission time interval (TTI) or time slot or transmission time unit to reserve resources for the signal and/or channel sent to the receiving device, or informs the sending device that sends the signal and/or channel in the next TTI to cancel the configuration of the first indication.
  • TTI transmission time interval
  • the first device may instruct the second transmitting device b to reserve resources for the signal and/or channel sent to the receiving device, or inform the second transmitting device b to cancel the configuration of the first instruction of the second transmitting device b.
  • resources are reserved to increase the probability that the receiving device successfully receives the signal and/or channel.
  • the receiving device if the receiving device fails to correctly decode the signal and/or channel information from the second sending device b, the receiving device sends a negative acknowledgement (NACK) feedback to the second sending device b.
  • NACK negative acknowledgement
  • the transmitting device is any one of the one or more second transmitting devices, and the time domain resources occupied by the non-periodic signals and/or non-periodic channels sent by the second transmitting device to the receiving device partially overlap or completely overlap with the time domain resources occupied by the periodic signals and/or periodic channels sent by the second transmitting device to the receiving device in the time domain, but the frequency domain resources occupied by the non-periodic signals and/or non-periodic channels sent by the second transmitting device to the receiving device are different from the frequency domain resources occupied by the periodic signals and/or periodic channels sent by the second transmitting device to the receiving device, then when the receiving device receives the non-periodic signals and/or non-periodic channels from the second transmitting device, the reserved resources may not be used for AGC operation.
  • the first device may also send a fifth indication to the second sending device, where the fifth indication is used to indicate that resources are not reserved for the non-periodic signal and/or non-periodic channel sent to the receiving device.
  • the sending device is any one of one or more second sending devices, and the time domain resources occupied by the non-periodic signals and/or non-periodic channels sent by the second sending device to the receiving device are within the range of time domain resources occupied by the periodic signals and/or periodic channels sent by the first sending device and one or more second sending devices to the receiving device.
  • the first device may also send a fifth indication to the second sending device, and the fifth indication is used to indicate that resources are not reserved for the non-periodic signals and/or non-periodic channels sent to the receiving device.
  • the receiving device instructs the first transmitting device to reserve resources for the signal and/or channel sent to the receiving device, and instructs one or more second transmitting devices whose transmission time is later than that of the first transmitting device not to reserve resources for the signal and/or channel sent to the receiving device.
  • This facilitates the receiving device to use the reserved resources for AGC operation when receiving the signal and/or channel from the first transmitting device, while it does not need to use the reserved resources for AGC operation when receiving the signal and/or channel from one or more second transmitting devices, thereby reducing resource overhead.
  • the embodiment of the present application also provides a communication method 300 based on the centralized scheduling resource configuration mode, and FIG11 is an interactive schematic diagram of the communication method 300.
  • the centralized scheduling device indicates through a first indication whether to reserve resources for the signal and/or channel sent to the current hop receiving device when the sending device of the multi-hop communication communicates with its current hop receiving device.
  • the communication method 300 includes but is not limited to the following steps:
  • the central scheduling device determines a first indication, where the first indication is used to indicate whether to reserve resources for a signal and/or channel sent to a receiving device of a current hop when a sending device of a multi-hop communication communicates with a receiving device of a current hop.
  • multi-hop communication means that the signal and/or channel is forwarded by multiple nodes from the source to the destination, that is, the transmission of information is completed by forwarding multiple nodes on the link.
  • signal a from terminal 1 to terminal 4
  • terminal 2 forwards signal a to terminal 3
  • terminal 3 forwards signal a to terminal 4.
  • a sending device in multi-hop communication communicates with its current hop receiving device, whether to reserve resources for the signal and/or channel sent to the current hop receiving device is determined by the centralized scheduling device.
  • the device is centered on the current hop receiving device of the sending device and is based on the geographical locations of multiple sending devices communicating with the current hop receiving device, the transmission delay/transmission time, and/or the range of signal strength of the signal and/or channel received by the receiving device when sending signals and/or channels to the receiving device.
  • the device determines whether the sending device reserves resources for the signal and/or channel sent to the current hop receiving device.
  • the sending devices participating in the multi-hop communication include terminal 1, terminal 2 and terminal 3.
  • Terminal 1 sends signal 1 to sending terminal 2, and terminal 2 forwards signal 1 to terminal 3.
  • terminal 2 is the receiving terminal of the current hop when terminal 1 communicates with terminal 2
  • terminal 3 is the receiving terminal of the current hop when terminal 2 communicates with terminal 3.
  • the sending terminals that send signals and/or channels to terminal 2 also include terminal 4 and terminal 5.
  • terminal 1 and terminal 4 are within the same geographical location range of terminal 2, or within the same transmission delay range, and/or, when terminal 1 and terminal 4 send signals and/or channels to terminal 2, the signal strength of the signals and/or channels received by terminal 2 from terminal 1 and terminal 4 is within the same signal strength range, indicating that when terminal 2 receives signals and/or channels from terminal 1 and terminal 4, the receiving power fluctuation range of the received signals and/or channels is small.
  • the centralized scheduling device may determine that terminal 1 reserves resources for the signal and/or channel sent to terminal 2, so that when terminal 2 receives the signal and/or channel from terminal 1, it uses the reserved resources to perform AGC operations.
  • the transmitting terminal that sends signals and/or channels to terminal 3 also includes terminal 6. If terminal 2 and terminal 6 are within the same geographical location range of terminal 3, or within the same transmission delay range, and/or when terminal 2 and terminal 6 send signals and/or channels to terminal 3, the signal strength of the signals and/or channels received by terminal 3 from terminal 2 and terminal 6 is within the same signal strength range, indicating that when terminal 3 receives signals and/or channels from terminal 2 and terminal 6, the receiving power fluctuation range of the received signals and/or channels is small.
  • the time domain resources occupied by the signals and/or channels sent by terminal 2 to terminal 3 are adjacent to the time domain resources occupied by the signals and/or channels sent by terminal 6 to terminal 3 in the time domain, and the time domain resources occupied by the signals and/or channels sent by terminal 2 to terminal 3 are after the time domain resources occupied by the signals and/or channels sent by terminal 6 to terminal 3, then the centralized scheduling device determines that terminal 6 reserves resources for the signals and/or channels sent to terminal 3, and terminal 2 does not reserve resources for the signals and/or channels sent to terminal 3. Therefore, when the terminal 3 receives the signal and/or channel from the terminal 2, the reserved resources are not used to perform the AGC operation, which can reduce the resource overhead caused by the AGC operation.
  • the time domain resources occupied by the signal and/or channel sent by terminal 2 to terminal 3 are after the time domain resources occupied by the signal and/or channel sent by terminal 6 to terminal 3, and the time domain resources occupied by the signal and/or channel sent by terminal 2 to terminal 3 are not adjacent to the time domain resources occupied by the signal and/or channel sent by terminal 6 to terminal 3 in the time domain, and within the time domain resources occupied by the signal and/or channel sent by terminal 2 to terminal 3 and the time domain resources occupied by the signal and/or channel sent by terminal 6 to terminal 3, no other transmitting terminal sends a signal and/or channel to terminal 3. Then, when terminal 3 receives signals and/or channels from terminal 2 and terminal 6, it will not receive signals and/or channels from other terminals. Therefore, the centralized scheduling device can also determine that terminal 2 does not reserve resources for signals and/or channels sent to terminal 3, and terminal 6 reserves resources for signals and/or channels sent to terminal 3.
  • the centralized scheduling device determines whether the transmitting terminal reserves resources for the signal and/or channel sent to the receiving terminal of the current jump, it takes the receiving terminal of the current jump of the transmitting terminal and the receiving terminal communicating with it as the center, and combines the conditions of each terminal communicating with the receiving terminal of the current jump to determine whether the transmitting terminal reserves resources for the signal and/or channel sent to the receiving terminal of the current jump.
  • the first indication further includes an identifier of the sending device. This method enables the sending device of multi-hop communication to determine from the first indication whether the sending device reserves resources for the signal and/or channel sent to the receiving device of the current hop according to its own identifier.
  • a centralized scheduling device determines first indications of multiple sending devices in multi-hop communication, and the first indication of each sending device is used to indicate whether the sending device reserves resources for signals and/or channels sent to a receiving device in multi-hop communication.
  • the centralized scheduling device sends a first instruction.
  • the sending device receives the first instruction.
  • the centralized scheduling device sends the first indication of the first sending device to the first sending device in the multi-hop communication through the first control information, and sends the first indication of the remaining sending devices to the other sending devices in the multi-hop communication through the second control information.
  • This method can reduce the load of the first control information and maintain the reliability of the control information.
  • the multi-hop communication includes terminal 1, terminal 2 and terminal 3, terminal 1 is the first sending device in the multi-hop communication, the centralized scheduling device sends a first indication of terminal 1 to terminal 1 through SCI 1, and sends a first indication of terminal 2 to terminal 2 through SCI 2.
  • SCI1 and SCI2 can be configured to terminal 1 by the centralized scheduling device, terminal 1 sends SCI1 and SCI2 in the link between terminal 1 and terminal 2, and SCI2 is used to indicate the communication configuration of terminal 2 and terminal 3.
  • the centralized scheduling device sends a first indication to a first sending device in the multi-hop communication via first control information, and sends a second indication to other sending devices in the multi-hop communication via data information.
  • This approach can improve resource utilization efficiency.
  • the sending device determines, according to the first indication, whether to reserve resources for the signal and/or channel sent to the currently hopped receiving device.
  • the sending device is any sending device in multi-hop communication.
  • each sending device in multi-hop communication can determine whether the sending device reserves resources for the signal and/or channel sent to the current hop receiving device based on its own first indication, so that each sending device in the multi-hop communication does not reserve resources for the signal and/or channel sent to the receiving device by default, which is beneficial for some sending devices to not use reserved resources for AGC operations when the current hop receiving device receives the signal and/or channel from these part of the sending devices.
  • the central scheduling device configures the sending device of the multi-hop communication to communicate with the receiving device of the current hop through the first indication, whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop.
  • the sending device participating in the multi-hop communication determines whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop according to the first indication, which is conducive to reducing the resource overhead caused by the AGC operation of the receiving device of the current hop due to the reserved resources.
  • the embodiment of the present application also provides a communication method 400, and FIG13 is an interactive schematic diagram of the communication method 400.
  • the communication method 400 when the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by one or more fifth sending devices to the receiving device, the first device instructs the one or more sending devices, and the one or more fifth sending devices whether to reserve resources for the signals and/or channels sent to the receiving device on different frequency domain resources.
  • one or more sending devices, and the one or more fifth sending devices can send signals and/or channels to the receiving device on different frequency domain resources, and each sending device can determine whether to reserve resources for the signals and/or channels sent to the receiving device based on the first indication.
  • the communication method 400 includes but is not limited to the following steps:
  • a first device determines a first indication, where the first indication is used to indicate whether one or more sending devices reserve resources on a first frequency domain resource for a signal and/or channel sent to a receiving device.
  • the first device determines a fourth indication, where the fourth indication is used to indicate whether one or more fifth sending devices reserve resources on the second frequency domain resources for signals and/or channels sent to the receiving device.
  • the one or more sending devices, and the one or more fifth sending devices are all sending devices that send signals and/or channels to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by one or more fifth sending devices to the receiving device.
  • the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by one or more fifth sending devices to the receiving device, including: the time domain resources occupied by the signals and/or channels sent by one or more sending devices to the receiving device partially overlap, or completely overlap, with the time domain resources occupied by the signals and/or channels sent by one or more fifth sending devices to the receiving device.
  • the first device instructs the one or more transmitting devices and the one or more fifth transmitting devices whether to reserve resources for the signals and/or channels sent to the receiving device on different frequency domain resources.
  • Different frequency domain resources may refer to different carriers or different bandwidth parts (BWP).
  • one or more transmitting devices, and one or more fifth transmitting devices can send signals and/or channels to the receiving device on different frequency domain resources, and each transmitting device can determine whether to reserve resources for the signals and/or channels sent to the receiving device according to the first indication, so that each transmitting device does not reserve resources for the signals and/or channels sent to the receiving device by default. Furthermore, when the receiving device receives signals and/or channels from one or more transmitting devices, and each of the one or more fifth transmitting devices, it does not perform AGC operations by default, which is conducive to reducing the resource overhead caused by the receiving device using reserved resources for AGC operations.
  • implementation method of resource reservation can refer to the above-mentioned communication method 100, which will not be repeated here.
  • S401 may be executed before S402 or after S402.
  • the first device sends a first indication.
  • the sending device receives the first indication.
  • S404 The first device sends a fourth indication.
  • the sending device receives the fourth indication.
  • S403 may be executed before S404 or after S404.
  • the sending device determines whether to reserve resources on the first frequency domain resources for the signal and/or channel sent to the receiving device based on the first indication; or determines whether to reserve resources on the second frequency domain resources for the signal and/or channel sent to the receiving device based on the fourth indication.
  • the sending device determines, according to a first indication, whether to reserve resources on the first frequency domain resource for the signal and/or the channel sent to the receiving device.
  • the sending device sends the signal and/or the channel to the receiving device on the first frequency domain resource according to the determination result.
  • the sending device When the sending device sends a signal and/or a channel to the receiving device on the second frequency domain resource, that is, when the sending device is any one of the one or more fifth sending devices, it is determined according to the fourth indication whether to reserve resources on the second frequency domain resource for the signal and/or channel sent to the receiving device.
  • the sending device sends the signal and/or the channel to the receiving device on the second frequency domain resource according to the determination result.
  • the first device indicates one or more transmitting devices, and one or more fifth transmitting devices whether to reserve resources for the signals and/or channels sent to the receiving device on different frequency domain resources.
  • one or more transmitting devices, and one or more fifth transmitting devices can send signals and/or channels to the receiving device on different frequency domain resources, and each transmitting device can determine whether to reserve resources for the signals and/or channels sent to the receiving device according to the first indication.
  • the receiving device when the receiving device receives signals and/or channels from one or more transmitting devices, and each of the one or more fifth transmitting devices, it does not perform AGC operation by default, which is conducive to reducing the resource overhead caused by the receiving device using reserved resources for AGC operation.
  • the first device and the sending device may include a hardware structure and/or a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. Whether one of the above functions is executed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
  • an embodiment of the present application provides a communication device 1400.
  • the communication device 1400 may be a component of a first device (e.g., an integrated circuit, a chip, etc.), or a component of a sending device (e.g., an integrated circuit, a chip, etc.).
  • the communication device 1400 may include: a communication unit 1401 and a processing unit 1402.
  • a storage unit 1403 may also be included.
  • one or more units in FIG. 14 may be implemented by one or more processors, or by one or more processors and memories; or by one or more processors and transceivers; or by one or more processors, memories, and transceivers, which are not limited in the embodiments of the present application.
  • the processors, memories, and transceivers may be provided separately or integrated.
  • the communication device 1400 has the function of implementing the first device or the sending device described in the embodiment of the present application.
  • the communication device 1400 includes a module or unit or means (means) corresponding to the steps involved in the sending end described in the embodiment of the present application by the first device.
  • the function or unit or means (means) can be implemented by software, or by hardware, or by hardware executing the corresponding software implementation, or by a combination of software and hardware.
  • a module or unit or means (means) can be implemented by software, or by hardware, or by hardware executing the corresponding software implementation, or by a combination of software and hardware.
  • a communication device 1400 may include: a processing unit 1402 and a communication unit 1401;
  • the processing unit 1402 is configured to determine a first indication; the first indication is used to indicate whether one or more sending devices reserve resources for a signal and/or channel sent to a receiving device;
  • the communication unit 1401 is configured to send the first indication to the one or more sending devices.
  • the first indication is specifically used to instruct the first sending device to reserve resources for the signal and/or channel sent to the receiving device, and one or more second sending devices not to reserve resources for the signal and/or channel sent to the receiving device; the time domain resources occupied by the signals and/or channels sent by the one or more second sending devices to the receiving device are located after the time domain resources occupied by the signals and/or channels sent by the first sending device to the receiving device.
  • the first sending device and the one or more second sending devices are both within a first geographical location range or a first transmission delay range of the receiving device; and/or, when the first sending device and the one or more second sending devices send signals and/or channels to the receiving device, the signal strength of the signals and/or channels received by the receiving device is both within a first signal strength range.
  • the time domain resources occupied by the signals and/or channels sent by the first sending device and the one or more second sending devices to the receiving device are continuous in the time domain; or, the time domain resources occupied by the signals and/or channels sent by the first sending device and the one or more second sending devices to the receiving device are discontinuous in the time domain, and between the time domain resources occupied by the signals and/or channels sent by the first sending device and the one or more second sending devices to the receiving device, no third sending device sends signals and/or channels to the receiving device;
  • the third sending device is a sending device located outside the first geographical location range or the first transmission delay range of the receiving device, and/or is a sending device that, when sending signals and/or channels to the receiving device, the signal strength of the signals and/or channels received by the receiving device is outside the first signal strength range.
  • the communication unit 1401 is also used to receive a second indication from the first sending device, and/or the one or more second sending devices; the second indication is used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device; the processing unit 1402 is also used to receive the signal and/or channel from the first sending device, and the one or more second sending devices according to the second indication.
  • the communication unit 1401 is also used to send a third indication; the third indication is used to instruct one or more fourth sending devices to adjust the time domain resources occupied by the signals and/or channels sent to the receiving device to the first time domain resources; the fourth sending device is a sending device located within the first geographical location range or the first transmission delay range of the receiving device, and/or, when sending signals and/or channels to the receiving device, the signal strength of the signal received by the receiving device is within the first signal strength range; the fourth sending device includes the first sending device, and/or, the one or more second sending devices.
  • the first indication is specifically used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop when the sending device of the multi-hop communication communicates with the receiving device of its current hop.
  • the signals and/or channels sent by the one or more sending devices to the receiving device are all sent periodically.
  • the resource reservation includes: puncturing symbols of the signal and/or channel sent to the receiving device, or repeatedly sending the signal and/or channel sent to the receiving device on symbols.
  • the first indication is specifically used to indicate whether one or more sending devices reserve resources on the first frequency domain resources for the signal and/or channel sent to the receiving device.
  • the communication unit 1401 is also used to send a fourth indication, wherein the fourth indication is used to indicate whether one or more fifth sending devices reserve resources on the second frequency domain resources for the signal and/or channel sent to the receiving device; the time domain resources occupied by the signals and/or channels sent by the one or more sending devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by the one or more fifth sending devices to the receiving device.
  • a communication device 1400 may include: a processing unit 1402 and a communication unit 1401;
  • the communication unit 1401 is used to receive a first indication; the first indication is used to indicate whether one or more sending devices reserve resources for signals and/or channels sent to a receiving device;
  • the processing unit 1402 is used to determine whether to reserve resources for the signal and/or channel sent to the receiving device according to the first indication.
  • the first indication is specifically used to instruct the first sending device to reserve resources for the signal and/or channel sent to the receiving device, and one or more second sending devices not to reserve resources for the signal and/or channel sent to the receiving device; the time domain resources occupied by the signals and/or channels sent by the one or more second sending devices to the receiving device are located after the time domain resources occupied by the signals and/or channels sent by the first sending device to the receiving device.
  • the first sending device and the one or more second sending devices are both within a first geographical location range or a first transmission delay range of the receiving device; and/or, when the first sending device and the one or more second sending devices send signals and/or channels to the receiving device, the signal strength of the signals and/or channels received by the receiving device is both within a first signal strength range.
  • the time domain resources occupied by the signals and/or channels sent by the first sending device and the one or more second sending devices to the receiving device are continuous in the time domain; or, the time domain resources occupied by the signals and/or channels sent by the first sending device and the one or more second sending devices to the receiving device are discontinuous in the time domain, and between the time domain resources occupied by the signals and/or channels sent by the first sending device and the one or more second sending devices to the receiving device, no third sending device sends signals and/or channels to the receiving device;
  • the third sending device is a sending device located outside the first geographical location range or the first transmission delay range of the receiving device, and/or is a sending device that, when sending signals and/or channels to the receiving device, the signal strength of the signals and/or channels received by the receiving device is outside the first signal strength range.
  • the communication unit 1401 is also used to send a second indication; the second indication is used to indicate whether resources are reserved for the signal and/or channel sent to the receiving device; the processing unit 1402 is also used to send a signal and/or channel to the receiving device according to the second indication.
  • the communication unit 1401 is also used to receive a third indication; the third indication is used to indicate that the time domain resources occupied by the signal and/or channel sent to the receiving device are adjusted to the first time domain resources; the processing unit 1402 is also used to adjust the time domain resources occupied by the signal and/or channel sent to the receiving device to the first time domain resources.
  • the first indication is specifically used to indicate whether to reserve resources for the signal and/or channel sent to the receiving device of the current hop when the sending device of the multi-hop communication communicates with the receiving device of its current hop.
  • the signals and/or channels sent by the one or more sending devices to the receiving device are all sent periodically.
  • the resource reservation includes: puncturing symbols of the signal and/or channel sent to the receiving device, or repeatedly sending the signal and/or channel sent to the receiving device on symbols.
  • the first indication is specifically used to indicate whether one or more sending devices reserve resources on the first frequency domain resources for the signal and/or channel sent to the receiving device.
  • the communication unit 1401 is also used to receive a fourth indication, and the fourth indication is used to indicate whether one or more fifth sending devices reserve resources on the second frequency domain resources for the signal and/or channel sent to the receiving device; the time domain resources occupied by the signals and/or channels sent by the one or more sending devices to the receiving device overlap with the time domain resources occupied by the signals and/or channels sent by the one or more fifth sending devices to the receiving device.
  • the embodiment of the present application also provides a communication device 1500, and FIG15 is a schematic diagram of the structure of the communication device 1500.
  • the communication device 1500 can be a first device, or a chip, a chip system, or a processor that supports the first device to implement the above method.
  • the communication device 1500 can also be a sending device, or a chip, a chip system, or a processor that supports the sending device to implement the above method.
  • the device can be used to implement the method described in the above method embodiment, and the details can be referred to the description in the above method embodiment.
  • the communication device 1500 may include one or more processors 1501.
  • the processor 1501 may be a general-purpose processor or a dedicated processor, etc.
  • it may be a baseband processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component or a central processing unit (CPU).
  • the baseband processor may be used to process the communication protocol and communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal, a terminal chip, a distributed unit DU or a centralized unit CU, etc.), execute software programs, and process the data of the software programs.
  • the communication device 1500 may include one or more memories 1502, on which instructions 1504 may be stored, and the instructions may be executed on the processor 1501, so that the communication device 1500 performs the method described in the above method embodiment.
  • data may also be stored in the memory 1502.
  • the processor 1501 and the memory 1502 may be provided separately or integrated together.
  • Memory 1502 may include, but is not limited to, non-volatile memory such as a hard disk drive (HDD) or a solid-state drive (SSD), random access memory (RAM), erasable programmable ROM (EPROM), ROM or portable read-only memory (Compact Disc Read-Only Memory, CD-ROM), etc.
  • non-volatile memory such as a hard disk drive (HDD) or a solid-state drive (SSD), random access memory (RAM), erasable programmable ROM (EPROM), ROM or portable read-only memory (Compact Disc Read-Only Memory, CD-ROM), etc.
  • the communication device 1500 may further include a transceiver 1505 and an antenna 1506.
  • the transceiver 1505 may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., for implementing a transceiver function.
  • the transceiver 1505 may include a receiver and a transmitter, the receiver may be referred to as a receiver or a receiving circuit, etc., for implementing a receiving function; the transmitter may be referred to as a transmitter or a transmitting circuit, etc., for implementing a transmitting function.
  • the communication device 1500 is a first device: the processor 1501 is used to execute S101 in the above-mentioned communication method 100, S201 in the communication method 200, S301 in the communication method 300, and S401 and S402 in the communication method 400; the transceiver 1505 is used to execute S102 in the above-mentioned communication method 100, S202 in the communication method 200, S302 in the communication method 300, and S403 and S404 in the communication method 400.
  • the communication device 1500 is a sending device: the processor 1501 is used to execute S103 in the above-mentioned communication method 100, S203 in the communication method 200, S303 in the communication method 300, and S405 in the communication method 400; the transceiver 1505 is used to execute S102 in the above-mentioned communication method 100, S202 in the communication method 200, S302 in the communication method 300, and S403 and S404 in the communication method 400.
  • the processor 1501 may include a transceiver for implementing the receiving and sending functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • the transceiver circuit, interface, or interface circuit for implementing the receiving and sending functions may be separate or integrated.
  • the above-mentioned transceiver circuit, interface, or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface, or interface circuit may be used for transmitting or delivering signals.
  • the processor 1501 may store an instruction 1503, and the instruction 1503 runs on the processor 1501, which can enable the communication device 1500 to perform the method described in the above method embodiment.
  • the instruction 1503 may be solidified in the processor 1501, in which case the processor 1501 may be implemented by hardware.
  • the communication device 1500 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
  • the processor and transceiver described in the embodiments of the present application can be implemented in an integrated circuit (IC), an analog IC, a radio frequency integrated circuit (RFIC), a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc.
  • IC integrated circuit
  • RFIC radio frequency integrated circuit
  • ASIC application specific integrated circuit
  • PCB printed circuit board
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS N-type metal oxide semiconductor
  • PMOS P-type metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the scope of the communication device described in the embodiments of the present application is not limited thereto, and the structure of the communication device may not be limited by FIG. 15.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be:
  • the IC set may also include a storage component for storing data and instructions;
  • ASIC such as a modem
  • the communication device 1500 and the chip can also execute the implementation method described in the above-mentioned communication device 1400.
  • the various illustrative logical blocks and steps listed in the embodiment of the present application can be implemented by electronic hardware, computer software, or a combination of the two. Whether such functions are implemented by hardware or software depends on the specific application and the design requirements of the entire system. Those skilled in the art can use various methods to implement the described functions for each specific application, but such implementation should not be understood as exceeding the scope of protection of the embodiments of the present application.
  • the present application also provides a computer-readable storage medium for storing computer instructions, which, when executed by a communication device, implements the functions of any of the above method embodiments.
  • the present application also provides a computer program product, including computer instructions, which, when executed by a communication device, implement the functions of any of the above method embodiments.
  • the present application also provides a computer program, which, when executed on a computer, implements the functions of any of the above method embodiments.
  • the present application also provides a communication system, which includes one or more network devices and one or more terminal devices.
  • the system may also include other devices that interact with the network devices and terminal devices in the solution provided by the present application.
  • the sending device and the receiving device in the embodiment of the present application are different terminal devices in the system; the centralized scheduling device can be a network device in the system or a terminal device in the system.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., an SSD), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a high-density digital video disc (DVD)
  • DVD high-density digital video disc
  • SSD semiconductor medium
  • first and second in the specification, claims and drawings of this application are used to distinguish different objects rather than to describe a specific order.
  • First and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of this embodiment, unless otherwise specified, “multiple” means two or more.
  • “plurality” refers to two or more than two.
  • “And/or” is used to describe the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural.
  • the character “/” generally indicates that the previous and subsequent associated objects are in an “or” relationship.
  • “... when” and “if” both mean that corresponding processing will be carried out under certain objective circumstances, not a time limit, and does not require a judgment action when implementing, nor does it mean that there are other limitations.
  • words such as “exemplary” or “for example” are used to indicate examples, illustrations or descriptions. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as “exemplary” or “for example” is intended to present related concepts in a concrete way for easy understanding.

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Abstract

本申请提供了一种通信方法及装置，可以应用于接收设备或集中调度设备中。该通信方法包括：确定第一指示，第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；向一个或多个发送设备发送第一指示。可见，接收设备或集中调度设备为一个或多个发送设备指示是否为向接收设备发送的信号和/或信道进行资源预留，一个或多个发送设备根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。进而有利于接收设备接收来自一个或多个发送设备的信号和/或信道时，无需使用预留资源进行自动增益控制操作，有利于减少自动增益控制操作带来的资源开销。

Description

一种通信方法及装置 技术领域
本申请涉及通信技术领域，尤其涉及一种通信方法及装置。
背景技术
不同发送端的远近效应会导致接收端的信号波动范围较大。因此，接收端接收来自不同发送端的信号和/或信道时，需进行自动增益控制(automatic gain control，AGC)操作，以采用适配的接收功率接收信号和/或信道。
接收端需一定的处理时间进行AGC操作。目前，发送端将发送的信号和/或信道的第一个符号预留给接收端进行AGC操作。然而，发送端采用符号预留的方式供接收端进行AGC操作，会由于AGC操作带来较大的资源开销。
发明内容
本申请实施例提供了一种通信方法及装置，有利于减少AGC操作带来的资源开销。
第一方面，本申请实施例提供一种通信方法，该方面的通信方法是从接收设备侧进行阐述的(可应用于接收设备的设备或芯片上)，或者是从集中调度设备侧进行阐述的(可应用于集中调度设备的设备或芯片上)。该方法中，确定第一指示，第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；向一个或多个发送设备发送第一指示。
可见，接收设备或集中调度设备向一个或多个发送设备指示是否为向接收设备发送的信号和/或信道进行资源预留，一个或多个发送设备中的每个发送设备不需要默认均为向接收设备发送的信号和/或信道进行资源预留，而是根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。从而有利于接收设备接收来自一个或多个发送设备中每个发送设备的信号和/或信道时，无需使用预留资源进行自动增益控制操作，有利于减少自动增益控制操作带来的资源开销。
一种可能的实施方式中，第一指示具体用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留。
其中，一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源，位于第一发送设备向接收设备发送的信号和/或信道所占用的时域资源之后。
从而，该方式有利于接收设备接收来自第一发送设备的信号和/或信道时，采用预留资源进行自动增益控制操作，而接收来自发送的信号和/或信道所占用的时域资源在第一发送设备发送的信号和/或信道所占用的时域资源之后的一个或多个第二发送设备的信号和/或信道时，不采用预留资源进行自动增益控制，有利于减少自动增益控制操作带来的资源开销。
一种可能的实施方式中，第一发送设备和一个或多个第二发送设备均处于接收设备的第一地理位置范围或第一传输时延范围内；和/或，第一发送设备，以及一个或多个第二发送设备向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。
第一发送设备和一个或多个第二发送设备均处于接收设备的第一地理位置范围或第一传输时延范围内时，第一发送设备到接收设备的距离，与一个或多个第二发送设备到接收设备的距离相差较小，从而接收设备分别接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道时，接收信号和/或信道的信号强度在较小范围内波动，比如在预设范围内波动。接收设备接收信号和/或信道的信号强度与功率成正比关系，那么接收设备分别接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道时的功率也在一定范围内波动，即功率波动范围较小。
第一发送设备，以及一个或多个第二发送设备向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内，表明接收设备分别接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道的功率波动也在一定范围内。
接收设备接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道的功率波动在一定范围内时，有利于第一设备向第一发送设备，以及一个或多个第二发送设备指示其中的每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道占用的时域资源在时域上连续。也就是说，接收设备接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道时，不会接收来自其他发送设备的信号和/或信道。从而，一个或多个第二发送设备可无需为向接收设备发送的信号和/或信道进行资源预留，有利于减少接收设备因进行自动增益控制操作而带来的资源开销。
另一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道占用的时域资源在时域上不连续，且在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向接收设备发送信号和/或信道。
其中，第三发送设备是位于接收设备的第一地理位置范围或第一传输时延范围外的发送设备，和/或，是向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。
也就是说，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续时，且在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源范围内，无其他第三发送设备针对接收设备的发送。因此，接收设备或集中调度设备可指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备不为向接收设备发送的信号和/或信道不进行资源预留，以有利于减少接收设备因进行自动增益控制操作而带来的资源开销。
一种可能的实施方式中，接收设备还可接收来自第一发送设备，和/或，一个或多个第二发送设备的第二指示，第二指示用于指示是否为向接收设备发送的信号和/或信道进行资源预留。从而，接收设备可根据第二指示，接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道。
该方式中，第一发送设备，以及一个或多个第二发送设备可向接收设备反馈是否为向接收设备发送的信号和/或信道进行资源预留，以使得接收设备根据各发送设备的反馈，接收来自每个发送设备的信号和/或信道。
一种可能的实施方式中，接收设备或集中调度设备还可发送第三指示，第三指示用于指示一个或多个第四发送设备将其向接收设备发送的信号和/或信道占用的时域资源调整为第一时域资源。
其中，第四发送设备是地理位置位于第一地理位置范围或第一传输时延范围内的发送设备，和/或，是向接收设备发送信号和/或信道时，接收设备接收信号的信号强度位于第一信号强度范围内的发送设备。第四发送设备包括第一发送设备，和/或，一个或多个第二发送设备。
第四发送设备是第一发送设备，和/或，一个或多个第二发送设备时，接收设备或集中调度节点设备确定第一指示前，向第四发送设备发送第三指示，以使得第四发送设备将向接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源。从而有利于第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源连续。
第四发送设备是除第一发送设备和一个或多个第二发送设备之外的发送设备时，接收设备或集中调度设备还可向第四发送设备发送第一指示，该第一指示用于指示第四发送设备不为向接收设备发送的信号和/或信道进行资源预留。从而有利于接收设备接收来自第四发送设备的信号和/或信道时，不进行自动增益控制，有利于减少自动增益控制带来的资源开销。
一种可能的实施方式中，所述一个或多个发送设备以及所述接收设备用于多跳通信时，第一指示具体用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。
该方式可使得多跳通信中的发送设备根据第一指示，确定是否为向当前跳的接收设备发送的信号和/或信道进行资源预留，从而有利于减少当前跳的接收设备因采用预留资源进行自动增益控制操作而带来的资源开销。
一种可能的实施方式中，一个或多个发送设备向接收设备发送的信号和/或信道均是周期性发送的。该方式有利于一个或多个发送设备中的每个发送设备在每个周期内向接收设备发送周期信号和/或信道时，均根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。进而有利于接收设备在每个发送设备的每个周期内接收周期信号和/或信道时，均无需默认有预留资源进行自动增益控制操作，有利于减少资源开销。
一种可能的实施方式中，资源预留，包括：对用于向接收设备发送的信号和/或信道的符号进行打孔操作，以确保接收设备在该符号上进行自动增益控制操作。
另一种可能的实施方式中，资源预留，包括：对向接收设备发送的信号和/或信道在符号上进行重复发送，以使得接收设备在完成自动增益控制操作后，尽可能多的接收信号和/或信道，以提高接收性能。
一种可能的实施方式中，第一指示具体用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，还可发送第四指示，第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留；
其中，一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源存在重叠，该重叠包括部分重叠或者全部重叠。
可见，一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源部分重叠或全部重叠时，一个或多个发送设备，以及一个或多个第五发送设备可在不同的频域资源上向接收设备发送信号和/或信道。
另外，该方式可使得每个发送设备均不是默认为向接收设备发送的信号和/或信道进行资源预留，从而接收设备接收来自每个发送设备的信号和/或信道时，也不是默认采用预留资源进行自动增益控制操作，进而有利于减少接收设备进行自动增益控制而带来的资源开销。
第二方面，本申请实施例还提供一种通信方法。该方面的通信方法与第一方面所述的通信方法相对应，该方面的通信方法是从发送设备侧进行阐述的(可应用于发送设备的设备或芯片上)。该方法中，发送设备接收第一指示，第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留。发送设备根据第一指示，确定是否为向接收设备发送的信号和/或信道进行资源预留。
可见，发送设备是根据接收的第一指示，确定是否为向接收设备发送的信号和/或信道进行资源预留，而不是默认为接收设备发送的信号和/或信道进行资源预留，从而有利于接收设备接收来自该发送设备的信号和/或信道时，无需采用预留资源进行自动增益控制操作，进而有利于减少自动增益控制操作带来的资源开销。
一种可能的实施方式中，第一指示具体用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留。
其中，一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源，位于第一发送设备向接收设备发送的信号和/或信道所占用的时域资源之后。
从而，发送设备是第一发送设备时，发送设备根据第一指示确定为向接收设备发送的信号和/或信道进行资源预留；发送设备是第二发送设备时，发送设备根据第一指示确定不为向接收设备发送的信号和/或信道不进行资源预留。进而使得接收设备接收来自第二发送设备的信号和/或信道时，不采用预留资源进行自动增益控制操作，从而可减少自动增益控制操作带来的资源开销。
一种可能的实施方式中，第一发送设备和一个或多个第二发送设备均处于接收设备的第一地理位置范围内或第一传输时延范围内；和/或，第一发送设备，以及一个或多个第二发送设备向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。
该方式可使得接收设备接收来自第一发送设备和一个或多个第二发送设备的信号和/或信道时，接收信号和/或信道的接收功率的波动范围较小。从而第一发送设备为向接收设备发送的信号和/或信道进行资源预留，而一个或多个第二发送设备可不为向接收设备发送的信号和/或信道不进行资源预留。
一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上连续。从而，一个或多个第二发送设备在第一发送设备向接收设备发送的信号和/或信道进行资源预留时，可不为向接收设备发送的信号和/或信道不进行资源预留，有利于减少接收设备因自动增益控制操作带来的资源开销。
另一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，且在第一发送设备和所述一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向接收设备发送信号和/或信道。
其中，第三发送设备是位于接收设备的第一地理位置范围或第一传输时延范围外的发送设备，和/或，是向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。
也就是说，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续时，在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源范围内，无其他发送设备针对接收设备的发送。
从而，一个或多个第二发送设备在第一发送设备向接收设备发送的信号和/或信道进行资源预留时，可不为向接收设备发送的信号和/或信道进行资源预留，有利于减少接收设备因进行自动增益控制操作带来的资源开销。
一种可能的实施方式中，发送设备还可发送第二指示，第二指示用于指示是否为向接收设备发送的信号和/或信道进行资源预留；根据第二指示，向接收设备发送信号和/或信道。该方式可使得接收设备根据发送设备的反馈，确定接收来自该发送设备的信号和/或信道时，是否进行自动增益操作。
一种可能的实施方式中，发送设备还可接收第三指示，第三指示用于指示将向接收设备发送的信号和/或信道占用的时域资源调整为第一时域资源；将向接收设备发送的信号和/或信道占用的时域资源调整为第一时域资源。
发送设备是第一发送设备，和/或，一个或多个第二发送设备时，该方式有利于接收设备或集中调度设备确定第一发送设备，以及一个或多个第二发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
发送设备是除第一发送设备、以及一个或多个第二发送设备之外的发送设备时，该方式有利于更多的发送设备不为向接收设备发送的信号和/或信道进行资源预留，可减少因采用预留资源进行自动增益控制操作带来的资源开销。
一种可能的实施方式中，所述一个或多个发送设备以及所述接收设备用于多跳通信时，第一指示具体用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。
该方式可使得多跳通信中的发送设备根据第一指示，确定是否为向当前跳的接收设备发送的信号和/或信道进行资源预留，从而有利于减少当前跳的接收设备因采用预留资源进行自动增益控制操作而带来的资源开销。
一种可能的实施方式中，一个或多个发送设备向接收设备发送的信号和/或信道均是周期性发送的。该方式有利于发送设备在每个周期内向接收设备发送周期信号和/或信道时，均根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留，从而有利于接收设备在发送设备的每个周期内接收周期信号和/或信道时，均无需默认有预留资源作为自动增益控制操作，有利于减少资源开销。
一种可能的实施方式中，资源预留，包括：对用于向接收设备发送的信号和/或信道的符号进行打孔操作，以确保接收设备在该符号上进行自动增益控制操作。
另一种可能的实施方式中，资源预留，包括：对向接收设备发送的信号和/或信道在符号上进行重复发送，以使得接收设备在完成自动增益控制操作后，尽可能多的接收信号和/或信道，以提高接收性能。
一种可能的实施方式中，第一指示具体用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，发送设备还可接收第四指示，第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源存在重叠，该重叠包括部分重叠或者全部重叠。
可见，一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源部分重叠或全部重 叠时，一个或多个发送设备，以及一个或多个第五发送设备可在不同的频域资源上向接收设备发送信号和/或信道。
另外，该方式可使得每个发送设备均不是默认为向接收设备发送的信号和/或信道进行资源预留，从而接收设备接收来自每个发送设备的信号和/或信道时，也不是默认配置有预留资源进行自动增益控制操作，进而有利于减少接收设备进行自动增益控制操作而带来的资源开销。
第三方面，本申请还提供一种通信装置。该通信装置具有实现上述第一方面和第二方面任一方面所述的部分或全部功能。比如，该通信装置的功能可具备本申请中第一方面所述的部分或全部实施例中的功能，也可以具备单独实施本申请中的任一个实施例的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种可能的设计中，该通信装置的结构中可包括处理单元和通信单元，所述处理单元被配置为支持通信装置执行上述方法中相应的功能。所述通信单元用于支持信号的收发。所述通信装置还可以包括存储单元，所述存储单元用于与处理单元和通信单元耦合，其保存通信装置必要的程序指令和数据。
一种实施方式中，所述通信装置包括通信单元和处理单元；
所述处理单元，用于确定第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
所述通信单元，用于向所述一个或多个发送设备发送所述第一指示。
另外，该方面中，通信装置还可以执行上述第一方面各种可能的实施方式中的方法，其他可能的实施方式可参见上述第一方面的相关内容，此处不再详述。
另一种实施方式中，所述通信装置包括通信单元和处理单元；
所述通信单元，用于接收第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
所述处理单元，用于根据所述第一指示，确定是否为向所述接收设备发送的信号和/或信道进行资源预留。
另外，该方面中，通信装置还可以执行上述第一方面各种可能的实施方式中的方法，其他可能的实施方式可参见上述第二方面的相关内容，此处不再详述。
作为示例，通信单元可以为收发器，存储单元可以为存储器，处理单元可以为处理器。
一种实施方式中，所述装置包括收发器和处理器；
所述处理器，用于确定第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
所述收发器，用于向所述一个或多个发送设备发送所述第一指示。
另外，该方面中，通信装置其他可能的实施方式可参见上述第一方面的相关内容，此处不再详述。
另一种实施方式中，所述通信装置包括收发器和处理器；
所述收发器，用于接收第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
所述处理器，用于根据所述第一指示，确定是否为向所述接收设备发送的信号和/或信道进行资源预留。
另外，该方面中，通信装置其他可能的实施方式可参见上述第二方面的相关内容，此处不再详述。
另一种实施方式中，该通信装置为芯片或芯片系统。所述处理单元也可以体现为处理电路或逻辑电路；所述发射单元可以是该芯片或芯片系统上的输入/输出接口、接口电路、输出电路、输入电路、管脚或相关电路等。
在实现过程中，处理器可用于进行，例如但不限于，基带相关处理，收发器可用于进行，例如但不限于，射频收发。上述器件可以分别设置在彼此独立的芯片上，也可以至少部分的或者全部的设置在同一块芯片上。例如，处理器可以进一步划分为模拟基带处理器和数字基带处理器。其中，模拟基带处理器可以与收发器集成在同一块芯片上，数字基带处理器可以设置在独立的芯片上。随着集成电路技术的不断发展，可以在同一块芯片上集成的器件越来越多。例如，数字基带处理器可以与多种应用处理器(例如但不限于图形处理器，多媒体处理器等)集成在同一块芯片之上。这样的芯片可以称为系统芯片(system on a chip，SoC)。将各个器件独立设置在不同的芯片上，还是整合设置在一个或者多个芯片上，往往取决于产品设计的需要。本申请实施例对上述器件的实现形式不做限定。
第四方面，本申请还提供一种处理器，用于执行上述各种方法。在执行这些方法的过程中，上述方法中有关发送上述信息和接收上述信息的过程，可以理解为由处理器输出上述信息的过程，以及处理器接收输入的上述信息的过程。在输出上述信息时，处理器将该上述信息输出给收发器，以便由收发器进行发射。该上述信息在由处理器输出之后，还可能需要进行其他的处理，然后才到达收发器。类似的，处理器接收输入的上述信息时，收发器接收该上述信息，并将其输入处理器。更进一步的，在收发器收到该上述信息之后，该上述信息可能需要进行其他的处理，然后才输入处理器。
对于处理器所涉及的发送和接收等操作，如果没有特殊说明，或者，如果未与其在相关描述中的实际作用或者内在逻辑相抵触，则均可以更加一般性的理解为处理器输出和接收、输入等操作，而不是直接由射频电路和天线所进行的发送和接收操作。
在实现过程中，上述处理器可以是专门用于执行这些方法的处理器，也可以是执行存储器中的计算机指令来执行这些方法的处理器，例如通用处理器。上述存储器可以为非瞬时性(non-transitory)存储器，例如只读存储器(read only memory，ROM)，其可以与处理器集成在同一块芯片上，也可以分别设置在不同的芯片上，本申请实施例对存储器的类型以及存储器与处理器的设置方式不做限定。
第五方面，本申请还提供了一种通信系统，该系统包括一个或多个网络设备，以及一个或多个终端设备。在另一种可能的设计中，该系统还可以包括与网络设备、终端设备进行交互的其他设备。本申请实施例中的发送设备和接收设备为该系统中不同的终端设备；集中调度设备可以是该系统中的网络设备，也可以是该系统中的终端设备。
第六方面，本申请提供了一种计算机可读存储介质，用于储存指令，当所述指令被计算机运行时，实现上述第一方面和第二方面任一项所述的方法。
第七方面，本申请还提供了一种包括指令的计算机程序产品，当其在计算机上运行时，实现上述第一方面和第二方面任一项所述的方法。
第八方面，本申请提供了一种芯片系统，该芯片系统包括处理器和接口，所述接口用于获取程序或指令，所述处理器用于调用所述程序或指令以实现或者支持接收设备或集中调度设备实现第一方面所涉及的功能，或者实现或者支持发送设备实现第二方面所涉及的功能。例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所 述芯片系统还包括存储器，所述存储器，用于保存终端必要的程序指令和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第九方面，本申请提供一种通信装置，包括处理器，用于执行存储器中存储的计算机程序或可执行指令，当计算机程序或可执行指令被执行时，使得该装置执行如第一方面和第二方面任一方面各个可能的实现中的方法。
在一种可能的实现中，处理器和存储器集成在一起；
在另一种可能的实现中，上述存储器位于该通信装置之外。
第三方面到第九方面的有益效果可以参考第一方面和第二方面的有益效果，此处不再赘述。
附图说明
图1是本申请实施例提供的一种系统架构示意图；
图2是本申请实施例提供的一种基于竞争的资源配置传输示意图；
图3是本申请实施例提供的一种集中调度的资源配置传输示意图；
图4是本申请实施例提供的一种数据传输所占用的时域资源示意图；
图5是本申请实施例提供的一种通信方法的交互示意图；
图6是本申请实施例提供的另一种通信方法的交互示意图；
图7是本申请实施例提供的另一种基于竞争的资源配置传输示意图；
图8是本申请实施例提供的一种信号和/或信道所占用的时域资源示意图；
图9是本申请实施例提供的另一种集中调度的资源配置传输示意图；
图10是本申请实施例提供的另一种信号和/或信道所占用的时域资源示意图；
图11是本申请实施例提供的又一种通信方法的交互示意图；
图12是本申请实施例提供的一种多跳通信的场景示意图；
图13是本申请实施例提供的又一种通信方法的交互示意图；
图14是本申请实施例提供的一种通信装置的结构示意图；
图15是本申请实施例提供的另一种通信装置的结构示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例中的技术方案进行清楚、完整的描述。
一.通信系统。
为了更好的理解本申请实施例公开的通信方法，对本申请实施例适用的通信系统进行描述。
本申请实施例可应用于长期演进(long term evolution，LTE)系统、第五代(5th generation，5G)移动通信系统、第六代(6th generation，6G)移动通信系统等5G之后演进的系统等、卫星通信及短距等无线通信系统中，系统架构如图1所示。无线通信系统可以包括一个或多个网络设备，以及一个或多个终端设备。无线通信系统也可以进行点对点通信，如多个终端设备之间互相通信。
可理解的，本申请实施例提及的无线通信系统包括但不限于：窄带物联网(narrow band-internet of things，NB-IoT)系统、长期演进(long term evolution，LTE)系统，5G/6G移动通信系统的三大应用场景：增强移动宽带(enhanced mobile broadband，eMBB)、超可靠低 时延通信(ultra reliable low latency communication，URLLC)和海量机器类通信(massive machine type of communication，mMTC)，无线保真(wireless fidelity，WiFi)系统等。
本申请实施例中，网络设备是具有无线收发功能的设备，用于与终端设备进行通信，可以是LTE中的演进型基站(evolved Node B，eNB或eNodeB)，或者是5G/6G网络中的基站或者未来演进的公共陆地移动网络(public land mobile network，PLMN)中的基站、宽带网络业务网关(broadband network gateway，BNG)、汇聚交换机或者非第三代合作伙伴项目(3rd generation partnership project，3GPP)接入设备等。可选的，本申请实施例中的网络设备可以包括各种形式的基站，例如：宏基站、微基站(也称为小站)、中继站、接入点、未来实现基站功能的设备、WiFi系统中的接入点(access point，AP)、传输接收点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)、移动交换中心以及设备到设备(device-to-device，D2D)、车辆外联(vehicle-to-everything，V2X)、机器到机器(machine-to-machine，M2M)通信中承担基站功能的设备、5G之后演进的通信系统中实现基站功能的设备、接入回传一体化(integrated access and backhaul，IAB)，还可以包括云接入网(cloud radio access network，C-RAN)系统中的集中式单元(centralized unit，CU)和分布式单元(distributed unit，DU)、非陆地通信网络(non-terrestrial network，NTN)通信系统中的网络设备，即可以部署于高空平台或者卫星，还可以是构成接入节点的各类设备，如有源天线处理单元(active antenna unit，AAU)、基带单元(baseband unit，BBU)等，本申请实施例对此不作具体限定。
网络设备可以和核心网设备进行通信交互，向终端设备提供通信服务。核心网设备例如为5G网络核心网(core network，CN)中的设备。核心网作为承载网络提供到数据网络的接口，为终端提供通信连接、认证、管理、策略控制以及对数据业务完成承载等。
本申请实施例所涉及到的终端设备可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备。终端设备也可称为终端。终端设备也可以指用户设备(user equipment，UE)、接入终端、用户单元(subscriber unit)、用户代理、蜂窝电话(cellular phone)、智能手机(smart phone)、无线数据卡、个人数字助理(personal digital assistant，PDA)电脑、平板型电脑、无线调制解调器(modem)、手持设备(handset)、膝上型电脑(laptop computer)、智能销售点(point of sale，POS)机、客户终端设备(customer-premises equipment，CPE)、机器类型通信(machine type communication，MTC)终端、高空飞机上搭载的通信设备、可穿戴设备、无人机、机器人、D2D中的终端、车到一切(vehicle to everything，V2X)中的终端、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端或者未来通信网络中的终端设备等，本申请不作限制。
本申请公开的实施例将围绕包括多个设备、组件、模块等的系统来呈现本申请的各个方面、实施例或特征。应当理解和明白的是，各个系统可以包括另外的设备、组件、模块等，并且/或者可以并不包括结合附图讨论的所有设备、组件、模块等。此外，还可以使用这些方案的组合。
二.相关概念。
为了更好的理解本申请实施例公开的通信方法，对本申请实施例涉及的相关概念进行简单的介绍。
1.基于竞争的资源配置传输、集中调度的资源配置传输。
基于竞争的资源配置传输是指终端设备与终端设备之间基于竞争的方式，获取用于通信的传输资源。比如，终端之间采用先听后说(listen before talk，LBT)机制获取传输资源。在LBT机制中，发送终端监听来自其他终端的控制信息，通过监听到的控制信息获取其他终端传输信号和/或信道所占用的资源，从而确定未被占用的空闲资源，进而采用空闲资源传输信号和/或信道。
例如，如图2所示，终端1基于LBT机制监听终端2至终端7的控制信息，可获取终端2至终端7传输信号和/或信道所占用的资源，从而确定未被占用的空闲资源，进而从空闲资源中确定自身用于传输信号和/或信道的传输资源。
集中调度的资源配置传输是指网络设备或源节点为终端间的通信集中式的调度资源的传输。源节点可以是网络设备，也可以是终端设备。例如，如图3所示，网络设备为终端1至终端5配置各终端之间进行通信的传输资源。
2.自动增益控制(automatic gain control，AGC)。
接收设备接收的信号强时，通过AGC可自动降低增益；当接收设备接收的信号弱时，通过AGC可升高增益，从而维持输出信号功率恒定或在一定的范围。发送距离差别较大的发送设备会导致接收设备的接收信号波动范围较大，从而造成远近效应，导致接收设备针对来自相邻发送时间的不同发送设备的信号和/或信道时，需要较长的时间进行接收功率的调整，以采用适配的接收功率接收来自每个发送设备的信号和/或信道。
接收设备需要一定的时间进行AGC操作。接收设备接收的信号的子载波间隔不相同时，其进行AGC操作所需的时间不相同。典型的，子载波间隔为15KHz时，接收设备进行AGC操作所需的时间小于或等于35us；子载波间隔为30KHz时，接收设备进行AGC操作所需的时间小于或等于18us；子载波间隔为60KHz时，接收设备进行AGC操作所需的时间小于或等于9us。可见，接收设备接收的信号的子载波间隔越大，其进行AGC操作所需的时间越少。
目前，为应对接收设备进行AGC操作，发送设备将发送的信号和/或信道的第一个符号进行预留，即预留给接收设备进行AGC操作。也就是说，接收设备接收信号和/或信道时，可采用信号和/或信道的第一个符号进行AGC操作。
不同接收设备的性能不一样，从而不同接收设备进行AGC操作所需的时间也不相同。因此，接收设备进行AGC操作的时间可能小于一个符号。发送设备在发送的信号和/或信道的第二个符号上承载信号或信道时，比如承载物理侧行链路共享信道(physical sidelink share channel，PSSCH)、解调参考信号(demodulation reference signal，DMRS)、相位跟踪参考信号(phase tracking reference signal，PTRS)、信道状态信息-参考信号(channel state information reference signal，CSI-RS)、物理侧行链路控制信道(physical sidelink control channel，PSCCH)等时，发送设备在第一个符号上也承载该第二个符号上承载的信号或信道，即在第一个符号上重复发送第二个符号上承载的信号或信道。从而，接收设备在接收来自发送设备的信号和/或信道时，在信号和/或信道的第一个符号内上进行AGC操作，若进行AGC操作所需的时间较短，如小于循环前缀(cyclic prefix，CP)，则可继续在该符号内接收信号和/或信道，以尽可能多的成功接收信号和/或信道，如提前成功解码信道或用于与后面信道和/或信道的合并接收，可提高接收性能。
示例性的，图4是发送设备向接收设备发送的信号和/或信道所占用的时域资源。如图4所示，该时域资源的第一个符号是预留给接收设备进行AGC操作的资源，即接收设备可在该第一个符号内进行AGC操作。该时域资源的第二个符号上携带PSCCH和DMRS。为提高接收设备的接收性能，发送设备在第一个符号上也发送DMRS和PSCCH，即在第一个符号上进行DMRS和PSCCH的重复发送。从而，接收设备可在第一个符号内完成AGC操作后，接收DMRS和PSCCH，可提高成功接收DMRS和PSCCH的概率。此外，该第二符号也可同时包括物理下行共享信道(physical downlink shared channel，PDSCH)，相应的第一符号包括该PDSCH的重复。
可选的，发送设备还可对用于向接收设备发送的信号和/或信道的符号进行打孔，即使得该符号用于接收设备进行AGC操作，该方式会导致接收性能变差。比如，发送设备对用于向接收设备发送的信号和/或信道所占用的第一个符号进行打孔，从而接收设备在该信号和/或信道所占用的第一个符号内进行AGC操作，不进行信号和/或信道的接收。
可见，目前发送设备向接收设备发送信号和/或信道时，会默认进行资源预留，比如预留一个符号供接收设备进行AGC操作使用。然而，该方式会使得接收设备接收来自每个发送设备的信号和/或信道时，均在信号和/或信道所占用的第一个符号内进行AGC操作，导致第一个符号资源无法使用，从而带来较大的资源开销。
本申请实施例可应用于D2D间通信、V2X通信中侧行链路(sidelink，SL)场景中。例如，本申请实施例可应用于无人机/无人车间通信、工厂的机器间直接通信、增强现实、虚拟现实和扩展现实的设备通信。
本申请实施例中的第一发送设备，以及一个或多个第二发送设备均可理解为是能够向接收设备发送信号和/或信道的终端设备，接收设备可理解为是能够接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道的终端设备。
本申请实施例应用于基于竞争的资源配置传输中时，第一设备是接收设备，且接收设备是接收终端，一个或多个发送设备是向该接收终端发送信号/信道的发送终端。
本申请实施例应用于集中调度的资源配置传输中时，第一设备是集中调度设备，接收设备是接收终端，一个或多个发送设备是向该接收终端发送信号和/或信道的发送终端。集中调度设备可以是网络设备，也可以是终端设备，也可以是信源节点，也可以是信源与调度节点分离的调度节点。
本申请实施例中的信号包括但不限于同步信号、参考信号、数据信号和控制信号等。本申请实施例中的信道包括但不限于数据信道、控制信道、PSSCH、PSCCH、物理上行控制信道(physical uplink control channel，PUCCH)、物理上行共享信道(physical uplink shared channel，PUSCH)、物理下行控制信道(physical downlink control channel，PDCCH)和PDSCH等。
三.通信方法100。
本申请实施例提供一种通信方法100。图5是该通信方法100的交互示意图。该通信方法100中，第一设备通过第一指示向一个或多个发送设备指示是否为向接收设备发送的信号和/或信道进行资源预留，从而一个或多个发送设备中的每个发送设备向接收设备发送信号和/或信道时，根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。该通信方法100包括但不限于以下步骤：
S101.第一设备确定第一指示，第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式，资源预留，包括：对用于向接收设备发送的信号和/或信道的符号进行打孔操作。例如，发送设备向接收设备发送信号和/或信道时，对将向接收设备发送的信号和/或信道所占用的第一个符号进行打孔操作，即发送设备不在向接收设备发送的信号和/或信道所占用的第一个符号上发送信号和/或信道，以使接收设备采用该第一个符号进行AGC操作。
另一种可能的实施方式中，资源预留，包括：对向接收设备发送的信号和/或信道在符号上进行重复发送。示例性的，如图4所示，发送设备对向接收设备发送的信号和/或信道在第一个符号上进行重复发送，以使接收设备在第一个符号内进行AGC操作后，可接收来自发送设备的信号和/或信道。
因此，发送设备为向接收设备发送的信号和/或信道进行资源预留时，意味着接收设备接收来自该发送设备的信号和/或信道时，该预留资源用于进行AGC操作，即接收设备采用信号和/或信道所占用的时域资源进行AGC操作。相应的，发送设备不为向接收设备发送的信号和/或信道进行资源预留时，意味着接收设备接收来自该发送设备的信号和/或信道时，无需采用信号和/或信道所占用的时域资源进行AGC操作，或接收设备可在较短的时间如CP内完成AGC操作，接收设备基于信号和/或信道所占用的时域资源接收信号和/或信号即可，从而可减少因AGC操作带来的资源开销。
一种可能的实现中，第一指示用于指示发送设备为向接收设备发送的信号和/或信道进行资源预留时，也可理解为第一指示用于指示发送设备将AGC预留时间打开(on)。相应的，第一指示用于指示发送设备不为向接收设备发送的信号和/或信道进行资源预留时，也可理解为第一指示用于指示发送设备将AGC预留时间关闭(off)。
一种可能的实现中，第一设备还可预先获取一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，以及一个或多个发送设备中每个发送设备的地理位置信息。该地理位置信息可包括发送设备与接收设备之间的距离、发送设备到接收设备的角度、发送设备的地理位置坐标。示例性地，地理位置坐标可以是相对位置或绝对位置的经度、纬度、高度。示例性地，发送设备到接收设备的角度可以是到达角(angle of arrival，AOA)、垂直到达角(zenith angle of arrival，ZOA)等。从而，接收设备可根据一个或多个发送设备中每个发送设备处于接收设备的位置范围，以及每个发送设备向接收设备发送的信号和/或信道所占用的时域资源，确定每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留，即确定第一指示。
示例性的，第一设备将地理位置处于接收设备的同一个地理位置范围内的发送设备划分为一个组，针对该组内向接收设备发送的信号和/或信道所占用的时域资源在时域上相邻的多个发送设备，第一设备确定该多个发送设备中向接收设备发送的信号和/或信道所占用的时域资源，在时域上靠前的第一个发送设备为向接收设备发送的信号和/或信道进行资源预留，以及向接收设备发送的信号和/或信道所占用的时域资源，在时域上位于之后的一个或多个发送设备不为向接收设备发送的信号和/或信道进行资源预留。也就是说，针对地理位置处于接收设备的同一地理位置范围内的多个发送设备(即属于同一组的多个发送设备)，向接收设备发送信号和/或信道的发送时间在最靠前的发送设备为向接收设备发送的信号和/或信道进行资源预留，向接收设备发送信号和/或信道的发送时间在之后的一个或多个发送设备不为向接收设备发送的信号和/或信道进行资源预留。
示例性的，第一设备为接收终端，与该接收终端进行通信的发送终端包括发送终端1、发送终端2和发送终端3。接收终端获取发送终端1、发送终端2和发送终端3的地理位置信 息，以及发送终端1、发送终端2和发送终端3分别向接收终端发送的信号和/或信道所占用的时域资源。接收终端获知发送终端1和发送终端3处于接收终端的同一地理位置范围，且发送终端1向接收终端发送的信号和/或信道所占用的时域资源，和发送终端3向接收终端发送的信号和/或信道所占用的时域资源在时域上相邻。那么，接收终端确定分别接收来自发送终端1和发送终端3的信号和/或信道时，其接收信号和/或信道的接收功率波动较小。因此，接收终端确定发送时间在之前的发送终端1为向接收终端发送的信号和/或信道进行资源预留，以及发送时间在之后的发送终端3不为向接收终端发送的信号和/或信道进行资源预留。发送终端2与发送终端1、发送终端3不属于接收终端的同一地理位置范围，接收终端确定发送终端2为向接收终端发送的信号和/或信道进行资源预留。
从而，接收终端接收来自发送终端1和发送终端2的信号和/或信道时需要使用预留资源进行AGC操作，接收来自发送终端3的信号和/或信道时，不需要使用预留资源进行AGC操作，从而可减少由于AGC操作带来的资源开销。
可选的，第一设备获取一个或多个发送设备的向接收设备发送的信号和/或信道占用的时域资源，以及每个发送设备向接收设备发送信号和/或信道时的传输时延/传输时间。第一设备可基于每个发送设备向接收设备发送信号和/或信道时的传输时延/传输时间，确定每个发送设备所处的接收设备的地理位置范围，进而基于一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，以及每个发送设备所处的接收设备的地理位置范围，确定一个或多个发送设备中的每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
可选的，第一设备还可基于一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，以及每个发送设备向接收设备发送信号和/或信道时的传输时延/传输时间所属的范围，确定一个或多个发送设备中的每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
示例性的，第一设备为接收终端，与该接收终端进行通信的发送终端包括发送终端1、发送终端2和发送终端3。发送终端获取发送终端1、发送终端2和发送终端3向接收终端发送信号和/或信道时的传输时延，以及发送终端1、发送终端2和发送终端3分别向接收终端发送的信号和/或信道所占用的时域资源。接收终端获知发送终端1和发送终端2向接收终端发送信号和/或信道时的传输时延处于同一传输时延范围内，且发送终端1向接收终端发送的信号和/或信道所占用的时域资源，和发送终端2向接收终端发送的信号和/或信道所占用的时域资源在时域上相邻。那么，接收终端确定发送时间在之前的发送终端1为向接收终端发送的信号和/或信道进行资源预留，以及发送时间在之后的发送终端2不为向接收终端发送的信号和/或信道进行资源预留。发送终端3向接收终端发送信号和/或信道时的传输时延，与发送终端1和发送终端2向接收终端发送信号和/或信道时的传输时延不属于同一传输时延范围，因此接收终端确定发送终端3为向接收终端发送的信号和/或信道进行资源预留。
另一种可能的实施方式中，第一设备可获取一个或多个发送设备的向接收设备发送的信号和/或信道占用的时域资源，以及一个或多个发送设备中的每个发送设备向接收设备发送信号和/或信道，接收设备接收的来自每个发送设备的信号和/或信道时的信号强度或信号强度范围。第一设备再基于一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，以及接收设备接收的来自每个发送设备的信号和/或信道时的信号强度或信号强度范围，确定一个或多个发送设备中的每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
第一设备基于一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，以及接收设备接收的来自每个发送设备的信号和/或信道时的信号强度或信号强度范围，确定一个或多个发送设备中的每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留的实施方式，可参见上述第一设备基于一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，以每个发送设备所处于的接收设备的地理位置范围，确定一个或多个发送设备中的每个发送设备是否为向接收设备发送的信号和/或信道进行资源预留的实施方式，不再赘述。
可见，第一设备可确定一个或多个发送设备中的部分发送设备为向接收设备发送的信号和/或信道进行资源预留，也可确定部分发送设备不为向接收设备发送的信号和/或信道进行资源预留。从而有利于接收设备接收来自该一个或多个发送设备的信号和/或信道时，针对部分发送设备配置预留资源进行AGC操作，也可针对其余部分发送设备不配置预留资源进行AGC操作，进而有利于减少接收设备因配置预留资源进行AGC操作带来的资源开销。
可选的，第一指示用于指示一个发送设备是否为向接收设备发送的信号和/或信道进行资源预留时，第一设备可确定多个第一指示，每个第一指示对应一个发送设备。也就是说，第一设备可确定多个发送设备中每个发送设备的第一指示，每个第一指示用于指示该发送设备是否为向接收设备发送的信号和/或信道进行资源预留。第一设备确定多个发送设备中每个发送设是否为向接收设备发送的信号和/或信道进行资源预留的实施方式可参见上述，不再赘述。
可理解的，第一设备可通过第一指示中1比特的比特值来指示是否为向接收设备发送的信号和/或信道进行资源预留。示例性的，第一指示中用于指示是否为向接收设备发送的信号和/或信道进行资源预留的比特为1时，表示为向接收设备发送的信号和/或信道进行资源预留；第一指示中用于指示是否为向接收设备发送的信号和/或信道进行资源预留的比特为0时，表示不为向接收设备发送的信号和/或信道进行资源预留。当第一设备通过组播或多播方式发送第一指示时，每个发送设备可根据其在第一设备发送的指示比特序列中的位置确定其预留资源指示。该方式有利于发送设备根据第一指示中的比特值，确定是否为向接收设备发送的信号和/或信道进行资源预留。另外，该方式也可减少信令开销。
可选的，第一指示用于指示多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留时，第一指示还可包括多个发送设备中每个发送设备的标识，且每个发送设备的标识与该发送设备是否为向接收设备发送的信号和/或信道进行资源预留具有关联关系。该方式有利于多个发送设备中的每个发送设备根据自身的标识从第一指示中，确定该发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
可选的，第一指示用于指示多个发送设备中的部分发送设备为向接收设备发送的信号和/或信道进行资源预留时，第一指示还可包括该部分发送设备的标识。相应的，第一指示用于指示多个发送设备中的另一部分发送设备不为向接收设备发送的信号和/或信道进行资源预留时，第一指示中不包括该部分发送设备的标识。从而每个发送设备可基于第一指示中是否包含自身的标识，确定是否为向接收设备发送的信号和/或信道进行资源预留。该方式可减少信令开销。
S102.第一设备向一个或多个发送设备发送第一指示。相应的，一个或多个发送设备中的每个发送设备接收第一指示。
可理解的，第一指示用于指示多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留时，第一设备可通过组播的方式向多个发送设备发送第一指示。
可选的，第一指示用于指示一个发送设备是否为向接收设备发送的信号和/或信道进行资源预留时，第一设备确定多个第一指示，从而第一设备可通过单播的方式，向多个发送设备中的每个发送设备分别发送该发送设备的第一指示。
S103.发送设备根据第一指示，确定是否为向接收设备发送的信号和/或信道进行资源预留。
可理解的，该发送设备是一个或多个发送设备中的任意一个发送设备。
第一指示用于指示多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留时，发送设备可基于该发送设备的标识，从第一指示中确定是否为向接收设备发送的信号和/或信道进行资源预留。
发送设备接收的第一指示用于指示该发送设备是否为向接收设备发送的信号和/或信道进行资源预留时，发送设备可通过第一指示获知是否为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，发送设备确定为向接收设备发送的信号和/或信道进行资源预留时，对用于向接收设备发送的信号和/或信道的符号进行打孔操作。相应的，接收设备接收来自发送设备的信号和/或信道时，采用预留资源进行AGC操作，且对用于接收来自发送设备的信号和/或信道的符号进行打孔操作。
可选的，发送设备确定为向接收设备发送的信号和/或信道进行资源预留时，对向接收设备发送的信号和/或信道在符号上进行重复发送。相应的，接收设备接收来自发送设备的信号和/或信道时，采用预留资源进行AGC操作，进行AGC操作结束后，接收来自发送设备的信号和/或信道。
可选的，发送设备确定不为向接收设备发送的信号和/或信道进行资源预留时，根据向接收设备发送的信号和/或信道所占用的时域资源，向接收设备发送信号和/或信道。相应的，接收设备接收来自发送设备的信号和/或信道时，无需采用预留资源进行AGC操作，根据发送设备发送的信号和/或信道所占用的时域资源，接收信号和/或信道，可减少进行AGC操作带来的资源开销。
本申请实施例中，第一设备向一个或多个发送设备指示是否为向接收设备发送的信号和/或信道进行资源预留，从而一个或多个发送设备中的每个发送设备向接收设备发送信号和/或信道时，不是默认进行资源预留，而是根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。进而有利于接收设备接收来自该一个或多个发送设备中每个发送设备的信号和/或信道时，无需默认使用预留资源进行AGC操作，有利于减少AGC操作带来的资源开销。
四.通信方法200。
本申请实施例还提供了一种通信方法200，图6是该通信方法200的交互示意图。该通信方法200中，第一设备通过第一指示向一个或多个发送设备中的第一发送设备指示为向接收设备发送的信号和/或信道进行资源预留，以及向一个或多个发送设备中发送时间在第一发送设备之后的一个或多个第二发送设备指示不为向接收设备发送的信号和/或信道进行资源预留。该通信方法200包括但不限于以下步骤：
S201.第一设备确定第一指示，第一指示用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留。
可理解的，接收设备是接收终端，第一发送设备可理解为第一发送终端，第二发送设备可理解为第二发送终端。第一发送终端和一个或多个第二发送终端均是针对该接收终端的发送终端，即第一发送终端和一个或多个发送终端均是向接收终端发送信号和/或信道的发送终端。那么，接收终端或集中调度设备为第一发送终端指示为向该接收终端发送的信号和/或信道进行资源预留，以及为一个或多个第二发送终端配置不为向该接/收终端发送的信号和/或信道进行资源预留。
其中，一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源，位于第一发送设备向接收设备发送的信号和/或信道所占用的时域资源之后。也可理解为，一个或多个第二发送设备向接收设备发送信号和/或信道的时间，位于第一发送设备向接收设备发送信号和/或信道的时间之后。
该方式下，第一设备还可预先获取多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，从而根据第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源，确定第一指示。比如，接收设备通过侧行链路控制信息(sidelink control information，SCI)的周期预留信息或高层信令信息，获取多个发送设备向接收设备发送的周期信号和/或周期信道所占用的时域资源。
另外，资源预留的实施方式可参见上述通信方法100中所述，不再赘述。
一种可能的实施方式中，第一发送设备和一个或多个第二发送设备均处于接收设备的第一地理位置范围，或第一传输时延/第一传输时间范围内。该方式下，接收设备接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道时，接收信号和/或信道的功率波动范围较小，比如功率波动范围在预设范围内。那么，接收设备可在预留资源上对来自第一发送设备的信号和/或信道进行AGC操作，后续接收来自一个或多个第二发送设备的信号和/或信道时可不需要预留资源进行AGC操作。
因此，第一设备指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及指示一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留。该方式中，接收设备接收来自一个或多个第二发送设备的信号和/或信道时，无需预留资源进行AGC操作，从而有利于因减少AGC操作带来的资源开销。
该实施方式下，第一设备可预先获取与接收设备进行通信的多个发送设备的地理位置。第一设备根据与接收设备进行通信的多个发送设备的地理位置，为多个发送设备进行分组，将距离接收设备的位置在相同地理位置范围的一个或多个发送设备归为同一个组。或者，第一设备将属于相同预配置地理位置范围的一个或多个发送设备归为同一个组，预配置地理位置范围是预先设定的。该方式可使得接收设备接收来自每个组内的发送设备的信号和/或信道时，其接收信号和/或信道的接收功率的波动范围较小。
示例性的，如图7所示的基于竞争的资源配置传输场景下，第一设备为接收终端。与接收终端进行通信的发送终端包括发送终端1至发送终端6，且发送终端1和发送终端2处于接收终端的同一个地理位置范围内，发送终端3、发送终端4、发送终端5和发送终端6处于接收终端的另一个地理位置范围内。因此，接收终端将发送终端1和发送终端2归为组1，将发送终端3、发送终端4、发送终端5和发送终端6归为组2。第一发送终端和一个或多个第二发送终端是组1或组2中部分或全部发送终端。例如，第一发送终端是发送终端3，一个或多个第二发送终端包括发送终端4、发送终端5和发送终端6。
从而，接收终端可为组1和组2内的第一发送终端指示为向接收终端发送的信号和/或信道进行资源预留，以及为组1和组2内的第二发送终端指示不为向接收终端发送的信号和/或信道进行资源预留。
示例性的，以每个发送终端向接收终端发送周期性的信号和/或信道为例，图7中组1和组2内的发送终端向接收终端发送周期性的信号和/或信道所占用的时域资源可参见图8。如图8所示，组1内的斜线填充区域表示发送终端2向接收终端发送周期性的信号和/或信道所占用的时域资源，组2内的斜线填充区域代表发送终端4向接收终端发送周期性的信号和/或信道所占用的时域资源，组1内的黑色填充区域代表发送终端1向接收终端发送周期性的信号和/或信道所占用的时域资源，组2内的白色填充区域代表发送终端3、发送终端5和发送终端6向接收终端发送周期性的信号和/或信道所占用的时域资源。
从图8可看出，发送终端2向接收终端发送周期性的信号和/或信道所占用的时域资源，在发送终端1向接收终端发送周期性的信号和/或信道所占用的时域资源之前；发送终端4向接收终端发送周期性的信号和/或信道所占用的时域资源，在发送终端3、发送终端5和发送终端6向接收终端发送周期性的信号和/或信道所占用的时域资源之前。从而网络设备通过第一指示向组1内的发送终端2和组2内的发送终端4指示为向接收终端发送的信号和/或信道进行资源预留，以及通过第一指示向组1内的发送终端1，以及组2内的发送终端3、发送终端5和发送终端6指示不为向接收终端发送的信号和/或信道进行资源预留。
示例性的，如图9所示的集中调度的资源配置传输场景下，第一设备为网络设备。与接收终端进行通信的发送终端包括发送终端1至发送终端4。网络设备基于接收终端，以及发送终端1至发送终端4中每个发送终端的地理位置，确定发送终端1和发送终端2处于接收终端的地理位置范围1，以及确定发送终端3和发送终端4处于接收终端的地理位置范围2。网络设备将发送终端1和发送终端2归为组1，以及将发送终端3和发送终端4归为组2。
例如，每个发送终端向接收终端发送周期性的信号和/或信道，图9中组1和组2内的发送终端向接收终端发送信号和/或信道所占用的时域资源可参见图10。如图10所示，组1内的斜线填充区域表示发送终端1向接收终端发送周期性的信号和/或信道所占用的时域资源，组2内的斜线填充区域代表发送终端3向接收终端发送周期性的信号和/或信道所占用的时域资源，组1内的黑色填充区域代表发送终端2向接收终端发送周期性的信号和/或信道所占用的时域资源，组2内的白色填充区域依次代表发送终端4向接收终端发送周期性的信号和/或信道所占用的时域资源。
从图10可看出，发送终端1向接收终端发送周期性的信号和/或信道所占用的时域资源，在发送终端2向接收终端发送周期性的信号和/或信道所占用的时域资源之前；发送终端3向接收终端发送周期性的信号和/或信道所占用的时域资源，在发送终端4向接收终端发送周期性的信号和/或信道所占用的时域资源之前。从而网络设备通过第一指示向组1内的发送终端1和组2内的发送终端3指示为向接收终端发送的信号和/或信道进行资源预留，以及通过第一指示向组1内的发送终端2和组2内的发送终端4指示不为向接收终端发送的信号和/或信道进行资源预留。
可选的，第一设备还可预先获取与接收设备进行通信的多个发送设备与该接收设备的传输时延。其中，传输时延是指以发送设备向接收设备发送信号和/或信道的发送时间为参考，接收设备接收到信号和/或信道时的延时。可选的，传输时延也可理解为传输时间。
第一设备获得与接收设备进行通信的多个发送设备与该接收设备的传输时延后，将传输时延/传输时间属于同一范围内的一个或多个发送设备确定为一个组。第一设备再基于该组内 每个发送设备向接收设备发送的信号和/或信道所占用的时域资源，从该组中确定第一发送设备和一个或多个第二发送设备。
例如，与接收终端进行通信的多个发送终端包括发送终端1、发送终端2、发送终端3、发送终端4和发送终端5，发送终端1和发送终端4与接收终端的传输时延处于传输时延范围1内，发送终端2、发送终端3和发送终端5与接收终端的传输时延处于传输时延范围2内。接收终端将发送终端1和发送终端4归为组1，将发送终端2、发送终端3和发送终端5归为组2。第一发送终端和一个或多个第二发送终端是组1或组2中部分或全部发送终端。
可选的，第一设备获取到与接收设备进行通信的多个发送设备与该接收设备的传输时延或传输时间后，基于多个发送设备中每个发送设备向接收设备发送信号和/或信道时的传输时延或传输时间，确定每个发送设备处于接收设备的地理位置范围，再基于每个发送设备处于接收设备的地理位置范围，对多个发送设备进行分组。
另一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。该方式下，接收设备接收来自第一发送设备和一个或多个第二发送设备的信号和/或信道时，其接收功率波动范围也较小，从而第一设备确定第一发送设备为向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留。
该实施方式下，第一设备可根据多个发送设备中的每个发送设备向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度所属于的信号强度范围，对多个发送设备进行分组。第一设备将接收设备接收信号和/或信道的信号强度属于同一个信号强度范围或预设的信号强度范围内对应的发送设备归为一个组。
示例性的，第一设备是接收终端，与接收终端进行通信的发送终端包括发送终端1、发送终端2、发送终端3和发送终端4。接收终端接收来自发送终端1和发送终端4的信号和/或信道的信号强度属于信号强度范围1，接收来自发送终端2和发送终端3的信号和/或信道的信号强度属于信号强度范围2。接收终端将发送终端1和发送终端4归为组1，将发送终端2和发送终端3归为组2。
本申请实施例中，预设的地理位置范围，或预设的信号强度范围，或预设的传输时延范围，或传输时间范围与接收设备的AGC处理能力有关。例如，预设的地理位置范围，或预设的信号强度范围，或预设的传输时延范围，或传输时间范围对应接收设备的AGC处理时间不需要额外增加一个符号，如接收设备可在如当前的CP范围内完成AGC操作，从而可减少AGC操作带来的资源开销。
第一设备对与接收设备进行通信的多个发送设备进行分组后，基于每个组内的发送设备向接收设备发送的信号和/或信道所占用的时域资源，确定该组内的第一发送设备和一个或多个第二发送设备，再向第一发送设备指示为向接收设备发送的信号和/或信道进行资源预留，以及向一个或多个第二发送设备指示不为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上连续。
可理解的，第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信号所占用的时域资源在时域上连续，那么接收设备接收来自第一发送设备和一个或多个第二发送设备的信号和/或信道的过程中，不会接收来自其他发送设备的信号和/或信道。另外，接收来自第一发送设备和一个或多个第二发送设备的信号和/或信道的接收功率波动范围较小，从而 第一设备可指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及指示一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留，以使得接收设备接收来自一个或多个第二发送设备的信号和/或信道时，无需要预留资源进行AGC操作，可减少AGC操作带来的资源开销。
可选的，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，且在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向接收设备发送信号和/或信道。
其中，第三发送设备是位于第一地理位置范围外，或第一传输时延/第一传输时间范围外的发送设备，和/或，是向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。也可理解为，第三发送设备是与第一发送设备和一个或多个第二发送设备处于不同组的发送设备。
可理解的，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续时，且在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源范围内，没有组外的第三发送设备针对接收设备的发送。因此，虽然第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续时，第一设备仍可指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备不为向接收设备发送的信号和/或信道进行资源预留，从而有利于减少AGC操作带来的资源开销。
一种可能的实施方式中，第一设备还可发送第三指示，第三指示用于指示一个或多个第四发送设备将其向接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源。第四发送设备是位于第一地理位置范围，或第一传输时延/第一传输时间范围内的发送设备，和/或，是向接收设备发送信号和/或信道时，接收设备接收信号的信号强度位于第一信号强度范围内的发送设备。第四发送设备包括第一发送设备，和/或，一个或多个第二发送设备。
第四发送设备是第一发送设备，和/或，一个或多个第二发送设备时，第一设备确定第一指示之前，发送第三指示，第三指示用于指示第一发送设备，和/或，一个或多个第二发送设备将其向接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源。
第三指示可使得第一发送设备向接收设备发送的信号和/或信道所占用的时域资源，和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上连续；或者，可使得第一发送设备向接收设备发送的信号和/或信道所占用的时域资源，和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，但在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源范围内，无其他发送设备向接收设备发送信号和/或信道。进而有利于第一设备向第一发送设备指示为向接收设备发送的信号和/或信道进行资源预留，以及向一个或多个第二发送设备指示不为向接收设备发送的信号和/或信道进行资源预留。
第四发送设备是位于第一地理位置范围，或第一传输时延/第一传输时间范围内且除第一发送设备和一个或多个第二发送设备之外的发送设备，和/或，是向接收设备发送信号和/或信道时，接收设备接收信号的信号强度位于第一信号强度范围内且除第一发送设备和一个或多个第二发送设备之外的发送设备时，第一设备可向第四设备发送第三指示，以使得第四设备将向接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源。该方式下，第一 设备还可指示第四发送设备不为向接收设备发送的信号和/或信道进行资源预留，可减少接收设备进行AGC操作带来的资源开销。
一种可能的实施方式中，第一指示还包括第一发送设备和，该第一发送设备的标识对应的资源预留指示，一个或多个第二发送设备中每个发送设备的标识，以及一个或多个第二发送设备中每个发送设备的标识对应的资源预留指示。其中，第一发送设备的标识对应的资源预留指示用于指示向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备中每个发送设备的标识对应的资源预留指示用于指示不向接收设备发送的信号和/或信道进行资源预留。该方式可使得第一发送设备和一个或多个第二发送设备中每个发送设备，从第一指示中确定自身是否为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，发送设备确定第一指示，包括：发送设备确定第一发送设备的第一指示，以及一个或多个第二发送设备的第一指示。第一发送设备的第一指示用于指示为向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备的第一指示用于指示不为向接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，第一设备通过第一指示中1比特的比特值指示是否为向接收设备发送的信号和/或信道进行资源预留，其具体实施方式可参见上述通信方法100中所述，不再赘述。
S202.第一设备发送第一指示。相应的，发送设备接收第一指示。
其中，该发送设备可以是第一发送设备，也可以是一个或多个第二发送设备中的任意一个发送设备。
可理解的，第一设备可通过组播或单播的方式向第一发送设备，以及一个或多个第二发送设备，发送第一指示。
可选的，第一发送设备和一个或多个第二发送设备中的每个发送设备对应一个第一指示时，第一设备通过单播的方式向每个发送设备发送该发送设备的第一指示。
第一设备通过单播的方式向第一发送设备和一个或多个第二发送设备中的每个发送设备发送该发送设备的第一指示时，位于与第一发送设备和一个或多个第二发送设备不同组的组外发送设备(第三发送设备)可通过控制信息，检测第一发送设备和一个或多个发送设备的第一指示。从而，第三发送设备可获知第一发送设备和一个或多个第二发送设备，向接收设备发送信号和/或信道的情况，该情况包括预留资源配置情况，发送资源的配置情况。
可选的，第一设备还可向第三设备发送第一指示。也就是说，第一设备还可向与第一发送设备和一个或多个第二发送设备处于不同组的发送设备发送第一指示，以使组外的第三发送设备获知第一发送设备和一个或多个第二发送设备，向接收设备发送信号和/或信道的情况，该情况包括预留资源配置情况，发送资源的配置情况。
进而，第三发送设备可尽可能不在第一发送设备和一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源范围内，向接收设备发送信号和/或信道。该方式有利于降低接收设备需预留资源配置进行AGC带来的资源开销，或由于接收设备需进行AGC操作而进行AGC适配导致的性能损失。
S203.发送设备根据第一指示，确定是否为向接收设备发送的信号和/或信道进行资源预留。
发送设备是第一发送设备时，第一发送设备根据第一指示，确定为向接收设备发送的信号和/或信道进行资源预留。从而，第一发送设备向接收设备发送信号和/或信道时，进行资源预留。相应的，接收设备接收来自第一发送设备的信号和/或信道时，进行AGC操作。
发送设备是第二发送设备时，第二发送设备根据第一指示，确定不为向接收设备发送的信号和/或信道进行资源预留。从而，第二发送设备向接收设备发送信号和/或信道时，不进行资源预留。相应的，接收设备接收来自第二发送设备的信号和/或信道时，无需使用预留资源进行AGC操作，可减少为AGC操作预留资源带来的资源开销。
可选的，发送设备根据第一指示，确定是否为向接收设备发送的信号和/或信道进行资源预留后，还可不采用根据第一指示确定的结果，而自行确定是否为向接收设备发送的信号和/或信道进行资源预留。
示例性的，第二发送设备根据第一指示，确定不为向接收设备发送的信号和/或信道进行资源预留，但第二发送设备基于信道变化情况，自行确定向接收设备发送的信号和/或信道进行资源预留。从而，第二发送设备向接收设备发送信号和/或信道时，进行资源预留。
一种可能的实施方式中，第一发送设备，和/或，一个或多个第二发送设备确定是否为向接收设备发送的信号和/或信道进行资源预留时，向接收设备发送第二指示，第二指示用于指示是否为向接收设备发送的信号和/或信道进行资源预留。从而，第一发送设备和一个或多个第二发送设备可分别基于自身发送的第二指示，向接收设备发送信号和/或信道。
相应的，第一设备是接收设备时，接收设备还可接收来自第一发送设备，和/或，一个或多个第二发送设备的第二指示。进而，接收设备基于第二指示，接收来自第一发送设备，以及一个或多个第二发送设备的信号和/或信道。
可选的，第一发送设备向接收设备发送第二指示。相应的，接收设备接收来自第一发送设备的第二指示。
可选的，一个或多个第二发送设备向接收设备发送第二指示。相应的，接收设备接收来自一个或多个第二发送设备的第二指示。
示例性的，第一发送设备为发送终端1，一个或多个第二发送设备包括发送终端2、发送终端3、发送终端4和发送终端5。发送终端1根据第一指示确定为向接收终端发送的信号和/或信道进行资源预留，发送终端2、发送终端3和发送终端5根据第一指示确定不为向接收终端发送的信号和/或信道进行资源预留，发送终端4根据信道变化自行确定为向接收终端发送的信号和/或信道进行资源预留。发送终端1至发送终端5均向接收终端发送第二指示。发送终端1和发送终端4向接收终端发送的第二指示用于指示为向接收终端发送的信号和/或信道进行资源预留，发送终端2、发送终端3和发送终端5向接收终端发送的第二指示用于指示不为向接收终端发送的信号和/或信道进行资源预留。
从而，接收终端接收来自发送终端1和发送终端4的信号和/或信道时，使用预留资源进行AGC操作。接收终端接收来自发送终端2、发送终端3和发送终端5的信号和/或信道时，不使用预留资源进行AGC操作，从而可减少AGC操作而带来的资源开销。
可选的，第一发送设备和一个或多个第二发送设备中的发送设备确定为向接收设备发送的信号和/或信道进行资源预留时，向接收设备发送第二指示，第二指示用于指示为向接收设备发送的信号和/或信道进行资源预留。该方式下，接收设备未接收到某个发送设备的第二指示时，默认该发送设备不为向接收设备发送的信号和/或信道进行资源预留。
可选的，第一发送设备和一个或多个第二发送设备中的发送设备确定不为向接收设备发送的信号和/或信道进行资源预留时，向接收设备发送第二指示，第二指示用于指示不为向接收设备发送的信号和/或信道进行资源预留。该方式下，接收设备未接收到某个发送设备的第二指示时，默认该发送设备为向接收设备发送的信号和/或信道进行资源预留。
第一发送设备，以及一个或多个第二发送设备中的发送设备在确定为向接收设备发送的信号和/或信道进行资源预留时，或者在确定不为向接收设备发送的信号和/或信道进行资源预留时，向接收设备发送第二指示的两种实施方式均可节省信令开销。
一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备通过第二指示中1比特的比特值，指示自身是否为向接收设备发送的信号和/或信道进行资源预留。例如，第一发送设备和一个或多个第二发送设备中的每个发送设备发送的第二指示中1比特的比特值为1时，代表为向接收设备发送的信号和/或信道进行资源预留，第二指示中1比特的比特值为0时，代表不为向接收设备发送的信号和/或信道进行资源预留。
另一种可能的实施方式中，第一发送设备和一个或多个第二发送设备中的每个发送设备通过向接收设备指示发送的信号和/或信道所占用的时域资源，间接指示是否为向接收设备发送的信号和/或信道进行资源预留。例如，发送设备向接收设备指示发送的信号和/或信道所占用的时域资源包含第一个时隙中的第一个符号时，表明发送设备为向接收设备发送的信号和/或信道进行资源预留；向接收设备指示发送的信号和/或信道所占用的时域资源不包括第一个时隙中的第一个符号，表明发送设备不为接收设备发送的信号和/或信道进行资源预留。
第一发送设备和一个或多个第二发送设备通过第二指示向接收设备指示是否为向接收设备发送信号和/或信道的方式，有利于接收设备快速确定接收来自每个发送设备的信号和/或信道时所采用的时频资源。若第一发送设备和一个或多个第二发送设备不通过第二指示向接收设备指示是否为向接收设备发送的信号和/或信道进行资源预留，则接收设备接收信号和/或信道时，需基于控制信号的检测确定信号和/或信道的传输资源，如待所有可能的控制资源检测完成后才能确定待接收的信号和/或信道时所采用的时频资源。
一种可能的实施方式中，第一发送设备，以及一个或多个第二发送设备向接收设备发送的信号和/或信道均是周期性发送的。也就是说，第一发送设备和一个或多个第二发送设备向接收设备进行周期业务。
该方式有利于一个或多个发送设备中的每个发送设备在每个周期内向接收设备发送周期信号和/或周期信道时，均根据第一指示确定是否为向接收设备发送的周期信号和/或周期信道进行资源预留，从而有利于接收设备在每个发送设备的每个周期内接收周期信号和/或周期信道时，均无需默认有预留资源作为自动增益控制操作，有利于减少资源开销。
示例性的，在第一发送设备，以及一个或多个第二发送设备的第一发送周期内，第一发送设备根据第一指示确定为向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备根据第一指示确定不为向接收设备发送的信号和/或信道进行资源预留。在第一发送设备，以及一个或多个第二发送设备的第二发送周期内，第一发送设备和一个或多个第二发送设备仍根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留，即第一发送设备在第二发送周期内仍为向接收设备发送的信号和/或信道进行资源预留，一个或多个第二发送设备在第二发送周期内仍不为向接收设备发送的信号和/或信道进行资源预留。
该方式可使得接收设备在第一发送设备，以及一个或多个第二发送设备的每个发送周期内，均在接收来自第一发送设备的信号和/或信道，使用预留资源配置进行AGC操作，而在接收来自一个或多个第二发送设备的信号和/或信道时，无需预留资源进行AGC操作，从而可大量减少AGC资源预留带来的资源开销。
一种可能的实施方式中，若发生突发情况，例如在第一发送设备向接收设备发送的信号和/或信道所占用的时域资源，以及一个或多个第二发送设备向接收设备发送的信号和/或信道所占用的时域资源范围内，有其他发送设备针对该接收设备的发送，第一设备向在下一个传 输时间间隔(transmission time interval，TTI)或时隙或传输时间单元发送信号和/或信道的发送设备，指示为向接收设备发送的信号和/或信道进行资源预留，或者告知在下一个TTI发送信号和/或信道的发送设备取消对第一指示的配置。
示例性的，第二发送设备a与第二发送设备b之间，有发送设备c针对接收设备的发送，那么第一设备可向第二发送设备b指示为向接收设备发送的信号和/或信道进行资源预留，或告知第二发送设备b取消对该第二发送设备b的第一指示的配置。从而第二发送设备b向接收设备发送信号和/或信道时，进行资源预留，以提高接收设备成功接收信号和/或信道的概率。
可选的，若接收设备未正确译码来自第二发送设备b的信号和/或信道信息，接收设备向第二发送设备b进行否认应答(negative acknowledgement，NACK)反馈。
一种可能的实施方式中，发送设备是一个或多个第二发送设备中的任意一个第二发送设备，且该第二发送设备向接收设备发送的非周期信号和/或非周期信道所占用的时域资源，与该第二发送设备向接收设备发送的周期信号和/或周期信道所占用的时域资源在时域上部分重叠或完全重叠，但第二发送设备向接收设备发送的非周期信号和/或非周期信道所占用的频域资源，与该第二发送设备向接收设备发送的周期信号和/或周期信道所占用的频域资源不相同时，接收设备接收来自第二发送设备的非周期信号和/或非周期信道时，也可不使用预留资源进行AGC操作。
因此，该情况下，第一设备还可向第二发送设备发送第五指示，该第五指示用于指示不为向接收设备发送的非周期信号和/或非周期信道进行资源预留。
可选的，发送设备是一个或多个第二发送设备中的任意一个第二发送设备，且该第二发送设备向接收设备发送的非周期信号和/或非周期信道所占用的时域资源，位于第一发送设备和一个或多个第二发送设备向接收设备发送的周期信号和/或周期信道所占用的时域资源范围内，第一设备也可向该第二发送设备发送第五指示，第五指示用于指示不为向接收设备发送的非周期信号和/或非周期信道进行资源预留。
本申请实施例中，接收设备向第一发送设备指示为向接收设备发送的信号和/或信道进行资源预留，以及向发送时间在第一发送设备之后的一个或多个第二发送设备指示不为向接收设备发送的信号和/或信道进行资源预留。从而有利于接收设备接收来自第一发送设备的信号和/或信道时使用预留资源进行AGC操作，而接收来自一个或多个第二发送设备的信号和/或信道时，不需要使用预留资源进行AGC操作，进而可减少资源开销。
五.通信方法300。
本申请实施例还基于集中调度的资源配置方式提供了一种通信方法300，图11是该通信方法300的交互示意图。该通信方法300中，集中调度设备通过第一指示来指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。该通信方法300包括但不限于以下步骤：
S301.集中调度设备确定第一指示，第一指示用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。
其中，多跳通信是指信号和/或信道经过从信源到信宿之间的多个节点的转发完成的，即信息的传输是通过链路上的多个节点的转发完成的。示例性的，信号a从终端1到终端4的过程中，需要终端2和终端3的转发，即终端1向终端2发送信号a，终端2将信号a转发给终端3，终端3再将信号a转发给终端4。
可理解的，集中调度设备确定多跳通信的发送设备与其当前跳的接收设备通信时，是否为向当前跳的接收设备发送的信号和/或信道进行资源预留，是以该发送设备的当前跳的接收设备为中心，基于与向当前跳的接收设备进行通信的多个发送设备的地理位置、传输时延/传输时间，和/或，向接收设备发送信号和/或信道时，接收设备接收信号和/或信道的信号强度所处于的范围，确定该发送设备是否为向当前跳的接收设备发送的信号和/信道进行资源预留。
示例性的，如图12所示，参与多跳通信的发送设备包括终端1、终端2和终端3，终端1向发送终端2发送信号1，终端2将信号1转发给终端3，则终端2是终端1与终端2通信时当前跳的接收终端，终端3是终端2与终端3通信时当前跳的接收终端。向终端2发送信号和/或信道的发送终端还包括终端4和终端5，若终端1和终端4处于终端2的同一地理位置范围内，或处于同一传输时延范围内，和/或，终端1和终端4向终端2发送信号和/或信道时，终端2接收来自终端1和终端4的信号和/或信道的信号强度处于同一信号强度范围，表明终端2接收来自终端1和终端4的信号和/或信道时，其接收信号和/或信道的接收功率波动范围较小。另外，终端1向终端2发送的信号和/或信道所占用的时域资源在终端4向终端2发送的信号和/或信道所占用的时域资源之前，那么集中调度设备可确定终端1为向终端2发送的信号和/或信道进行资源预留，以使得终端2接收来自终端1的信号和/或信道时，使用预留资源进行AGC操作。
另外，向终端3发送信号和/或信道的发送终端还包括终端6，若终端2和终端6处于终端3的同一地理位置范围内，或处于同一传输时延范围内，和/或，终端2和终端6向终端3发送信号和/或信道时，终端3接收来自终端2和终端6的信号和/或信道的信号强度处于同一信号强度范围，表明终端3接收来自终端2和终端6的信号和/或信道时，其接收信号和/或信道的接收功率波动范围较小。另外，终端2向终端3发送的信号和/或信道所占用的时域资源，与终端6向终端3发送的信号和/或信道所占用的时域资源在时域上相邻，且终端2向终端3发送的信号和/或信道所占用的时域资源在终端6向终端3发送的信号和/或信道所占用的时域资源之后，那么集中调度设备确定终端6为向终端3发送的信号和/或信道进行资源预留，终端2不为向终端3发送的信号和/或信道进行资源预留。从而，终端3接收来自终端2的信号和/或信道时，不使用预留资源进行AGC操作，可减少由于AGC操作带来的资源开销。
可选的，终端2向终端3发送的信号和/或信道所占用的时域资源，在终端6向终端3发送的信号和/或信道所占用的时域资源之后，且终端2向终端3发送的信号和/或信道所占用的时域资源在终端6向终端3发送的信号和/或信道所占用的时域资源在时域上不相邻，在终端2向终端3发送的信号和/或信道所占用的时域资源，以及终端6向终端3发送的信号和/或信道所占用的时域资源范围内，无其他发送终端向终端3发送信号和/或信道。那么，终端3接收来自终端2和终端6的信号和/或信道时，不会接收来自其他终端的信号和/或信道。从而集中调度设备也可确定终端2不为向终端3发送的信号和/或信道进行资源预留，终端6为向终端3发送的信号和/或信道进行资源预留。
可见，集中调度设备确定发送终端是否为向当前跳的接收终端发送的信号和/信道预留资源时，是以该发送终端和与之通信的接收终端的当前跳的接收终端为中心，结合与当前跳的接收终端进行通信的各终端情况，确定该发送终端是否为向当前跳的接收终端发送的信号和/或信道进行资源预留。
一种可能的实施方式中，第一指示还包括发送设备的标识。该方式可使得多跳通信的发送设备根据自身的标识从第一指示中，确定该发送设备是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。
一种可能的实施方式中，集中调度设备确定多跳通信的多个发送设备的第一指示，每个发送设备的第一指示用于指示多跳通信中该发送设备是否为向接收设备发送的信号和/或信道进行资源预留。
S302.集中调度设备发送第一指示。相应的，发送设备接收第一指示。
可理解的，集中调度设备通过第一控制信息向多跳通信中的第一个发送设备发送第一发送设备的第一指示，以及通过第二控制信息向多跳通信中的其他发送设备发送其余发送设备的第一指示。该方式可降低第一控制信息的载荷量和保持控制信息的可靠性。
示例性的，多跳通信包括终端1、终端2和终端3，终端1是多跳通信中的第一个发送设备，集中调度设备通过SCI 1向终端1发送终端1的第一指示，以及通过SCI 2向终端2发送终端2的第一指示。SCI1和SCI2可由集中调度设备配置给终端1，终端1在终端1与终端2之间的链路发送SCI1和SCI2，SCI2用于指示终端2与终端3的通信配置。
可选的，集中调度设备通过第一控制信息向多跳通信中的第一个发送设备发送第一指示，以及通过数据信息向多跳通信中的其他发送设备发送第二指示。该方式可提高资源使用效率。
S303.发送设备根据第一指示，确定是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。
其中，该发送设备是多跳通信中的任意一个发送设备。
可理解的，多跳通信的每个发送设备可根据自身的第一指示，确定该发送设备是否为向当前跳的接收设备发送的信号和/或信道进行资源预留，从而多跳通信中的每个发送设备不是默认为向接收设备发送的信号和/或信道进行资源预留，有利于部分发送设备当前跳的接收设备接收来自该部分发送设备的信号和/或信道时，不使用预留资源进行AGC操作。
本申请实施例中，集中调度设备通过第一指示配置多跳通信的发送设备与其当前跳的接收设备通信时，是否为向当前跳的接收设备发送的信号和/或信道进行资源预留。从而，参与多跳通信的发送设备根据第一指示，确定是否为向当前跳的接收设备发送的信号和/或信道进行资源预留，进而有利于减少当前跳的接收设备因预留资源进行AGC操作带来的资源开销。
六.通信方法400。
本申请实施例还提供了一种通信方法400，图13是该通信方法400的交互示意图。该通信方法400中，一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道占用的时域资源存在重叠时，第一设备指示一个或多个发送设备，以及一个或多个第五发送设备在不同的频域资源上是否为向接收设备发送的信号和/或信道进行资源预留。从而，一个或多个发送设备，以及一个或多个第五发送设备可在不同频域资源上向接收设备发送信号和/或信道，且每个发送设备可根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。该通信方法400包括但不限于以下步骤：
S401.第一设备确定第一指示，第一指示用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
S402.第一设备确定第四指示，第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
可理解的，一个或多个发送设备，以及一个或多个第五发送设备均是向接收设备发送信号和/或信道的发送设备。
其中，一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源存在重叠。
一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源存在重叠，包括：一个或多个发送设备向接收设备发送的信号和/或信道所占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道所占用的时域资源部分重叠，或者全部重叠。
一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道占用的时域资源存在重叠时，第一设备指示一个或多个发送设备，以及一个或多个第五发送设备在不同的频域资源上是否为向接收设备发送的信号和/或信道进行资源预留。不同的频域资源可指包含不同的载波，或者包含不同的部分带宽(bandwidth part，BWP)。
从而，一个或多个发送设备，以及一个或多个第五发送设备可在不同的频域资源上，向接收设备发送信号和/或信道，且每个发送设备可根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留，即使得每个发送设备不是默认为向接收设备发送的信号和/或信道进行资源预留。进而，接收设备接收来自一个或多个发送设备，以及一个或多个第五发送设备中的每个发送设备的信号和/或信道时，也不是默认进行AGC操作，有利于减少接收设备使用预留资源进行AGC操作带来的资源开销。
另外，资源预留的实施方式可参见上述通信方法100中所述，不再赘述。
本申请实施例不限定S401和S402的执行顺序。例如，S401可在S402之前执行，也可在S402之后执行。
S403.第一设备发送第一指示。相应的，发送设备接收第一指示。
S404.第一设备发送第四指示。相应的，发送设备接收第四指示。
本申请实施例不限定S403和S404的执行顺序。例如，S403可在S404之前执行，也可在S404之后执行。
S405.发送设备根据第一指示，确定在第一频域资源上是否为向接收设备发送的信号和/或信道进行资源预留；或者，根据第四指示，确定在第二频域资源上是否为向接收设备发送的信号和/或信道进行资源预留。
发送设备是在第一频域资源上向接收设备发送信号和/或信道时，根据第一指示，确定在第一频域资源上是否为向接收设备发送的信号和/或信道进行资源预留。发送设备根据确定的结果，在第一频域资源上向接收设备发送信号和/或信道。
发送设备是在第二频域资源上向接收设备发送信号和/或信道时，即该发送设备是一个或多个第五发送设备中的任意一个时，根据第四指示，确定在第二频域资源上是否为向接收设备发送的信号和/或信道上进行资源预留。发送设备根据确定的结果，在第二频域资源上向接收设备发送信号和/或信道。
可见，本申请实施例中，一个或多个发送设备向接收设备发送的信号和/或信道占用的时域资源，与一个或多个第五发送设备向接收设备发送的信号和/或信道占用的时域资源存在重叠时，第一设备指示一个或多个发送设备，以及一个或多个第五发送设备在不同的频域资源上是否为向接收设备发送的信号和/或信道进行资源预留。从而，一个或多个发送设备，以及一个或多个第五发送设备可在不同频域资源上向接收设备发送信号和/或信道，且每个发送设 备可根据第一指示确定是否为向接收设备发送的信号和/或信道进行资源预留。进而，接收设备接收来自一个或多个发送设备，以及一个或多个第五发送设备中的每个发送设备的信号和/或信道时，不是默认进行AGC操作，有利于减少接收设备使用预留资源进行AGC操作带来的资源开销。
为了实现上述本申请实施例提供的方法中的各功能，第一设备和发送设备可以包括硬件结构和/或软件模块，以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能以硬件结构、软件模块、还是硬件结构加软件模块的方式来执行，取决于技术方案的特定应用和设计约束条件。
如图14所示，本申请实施例提供了一种通信装置1400。该通信装置1400可以是第一设备的部件(例如，集成电路，芯片等等)，也可以是发送设备的部件(例如，集成电路，芯片等等)。该通信装置1400可以包括：通信单元1401和处理单元1402。可选的，还可以包括存储单元1403。
在一种可能的设计中，如图14中的一个或者多个单元可能由一个或者多个处理器来实现，或者由一个或者多个处理器和存储器来实现；或者由一个或多个处理器和收发器实现；或者由一个或者多个处理器、存储器和收发器实现，本申请实施例对此不作限定。所述处理器、存储器、收发器可以单独设置，也可以集成。
所述通信装置1400具备实现本申请实施例描述的第一设备，或发送设备的功能。比如，所述通信装置1400包括第一设备执行本申请实施例描述的发送端涉及步骤所对应的模块或单元或手段(means)，所述功能或单元或手段(means)可以通过软件实现，或者通过硬件实现，也可以通过硬件执行相应的软件实现，还可以通过软件和硬件结合的方式实现。详细可进一步参考前述对应方法实施例中的相应描述。
在一种可能的设计中，一种通信装置1400可包括：处理单元1402和通信单元1401；
处理单元1402，用于确定第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
通信单元1401，用于向所述一个或多个发送设备发送所述第一指示。
一种可选的实现方式中，所述第一指示具体用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向所述接收设备发送的信号和/或信道进行资源预留；所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源，位于所述第一发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之后。
一种可选的实现方式中，所述第一发送设备和所述一个或多个第二发送设备均处于所述接收设备的第一地理位置范围或第一传输时延范围内；和/或，所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。
一种可选的实现方式中，所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上连续；或者，所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，且在所述第一发送设备和所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向所述接收设备发送信号和/或信道；
所述第三发送设备是位于所述接收设备的第一地理位置范围或第一传输时延范围外的发送设备，和/或，是向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。
一种可选的实现方式中，通信单元1401还用于接收来自所述第一发送设备，和/或，所述一个或多个第二发送设备的第二指示；所述第二指示用于指示是否为向所述接收设备发送的信号和/或信道进行资源预留；处理单元1402，还用于根据所述第二指示，接收来自所述第一发送设备，以及所述一个或多个第二发送设备的信号和/或信道。
一种可选的实现方式中，通信单元1401还用于发送第三指示；所述第三指示用于指示一个或多个第四发送设备将其向所述接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源；所述第四发送设备是位于所述接收设备的第一地理位置范围或第一传输时延范围内的发送设备，和/或，是向所述接收设备发送信号和/或信道时，所述接收设备接收信号的信号强度位于第一信号强度范围内的发送设备；所述第四发送设备包括所述第一发送设备，和/或，所述一个或多个第二发送设备。
一种可选的实现方式中，所述一个或多个发送设备以及所述接收设备用于多跳通信时，所述第一指示具体用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向所述当前跳的接收设备发送的信号和/或信道进行资源预留。
一种可选的实现方式中，所述一个或多个发送设备向所述接收设备发送的信号和/或信道均是周期性发送的。
一种可选的实现方式中，所述资源预留，包括：对用于向所述接收设备发送的信号和/或信道的符号进行打孔操作，或者对向所述接收设备发送的信号和/或信道在符号上进行重复发送。
一种可选的实现方式中，所述第一指示具体用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
一种可选的实现方式中，通信单元1401还用于发送第四指示，所述第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向所述接收设备发送的信号和/或信道进行资源预留；所述一个或多个发送设备向所述接收设备发送的信号和/或信道所占用的时域资源，与所述一个或多个第五发送设备向所述接收设备发送的信号和/或信道所占用的时域资源存在重叠。
本申请实施例和上述所示方法实施例根据同一构思，其带来的技术效果也相同，具体原理请参照上述所示实施例的描述，不再赘述。
在另一种可能的设计中，一种通信装置1400可包括：处理单元1402和通信单元1401；
所述通信单元1401，用于接收第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
所述处理单元1402，用于根据所述第一指示，确定是否为向所述接收设备发送的信号和/或信道进行资源预留。
一种可选的实现方式中，所述第一指示具体用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向所述接收设备发送的信号和/或信道进行资源预留；所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源，位于所述第一发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之后。
一种可选的实现方式中，所述第一发送设备和所述一个或多个第二发送设备均处于所述接收设备的第一地理位置范围或第一传输时延范围内；和/或，所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。
一种可选的实现方式中，所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上连续；或者，所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，且在所述第一发送设备和所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向所述接收设备发送信号和/或信道；
所述第三发送设备是位于所述接收设备的第一地理位置范围或第一传输时延范围外的发送设备，和/或，是向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。
一种可选的实现方式中，所述通信单元1401还用于发送第二指示；所述第二指示用于指示是否为向所述接收设备发送的信号和/或信道进行资源预留；处理单元1402还用于根据所述第二指示，向所述接收设备发送信号和/或信道。
一种可选的实现方式中，所述通信单元1401还用于接收第三指示；所述第三指示用于指示将向所述接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源；处理单元1402还用于将向所述接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源。
一种可选的实现方式中，所述一个或多个发送设备以及所述接收设备用于多跳通信时，所述第一指示具体用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向所述当前跳的接收设备发送的信号和/或信道进行资源预留。
一种可选的实现方式中，所述一个或多个发送设备向所述接收设备发送的信号和/或信道均是周期性发送的。
一种可选的实现方式中，所述资源预留，包括：对用于向所述接收设备发送的信号和/或信道的符号进行打孔操作，或者对向所述接收设备发送的信号和/或信道在符号上进行重复发送。
一种可选的实现方式中，所述第一指示具体用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
一种可选的实现方式中，所述通信单元1401还用于接收第四指示，所述第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向所述接收设备发送的信号和/或信道进行资源预留；所述一个或多个发送设备向所述接收设备发送的信号和/或信道占用的时域资源，与所述一个或多个第五发送设备向所述接收设备发送的信号和/或信道占用的时域资源存在重叠。
本申请实施例和上述所示方法实施例根据同一构思，其带来的技术效果也相同，具体原理请参照上述所示实施例的描述，不再赘述。
本申请实施例还提供一种通信装置1500，图15为通信装置1500的结构示意图。所述通信装置1500可以是第一设备，也可以是支持第一设备实现上述方法的芯片、芯片系统、或处理器等。所述通信装置1500还可以是发送设备，也可以是支持发送设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法，具体可以参见上述方法实施例中的说明。
所述通信装置1500可以包括一个或多个处理器1501。所述处理器1501可以是通用处理器或者专用处理器等。例如可以是基带处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或中央处理器(central processing unit，CPU)。基带处理器可以用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、基带芯片，终端、终端芯片，分布单元DU或集中单元CU等)进行控制，执行软件程序，处理软件程序的数据。
可选的，所述通信装置1500中可以包括一个或多个存储器1502，其上可以存有指令1504，所述指令可在所述处理器1501上被运行，使得所述通信装置1500执行上述方法实施例中描述的方法。可选的，所述存储器1502中还可以存储有数据。所述处理器1501和存储器1502可以单独设置，也可以集成在一起。
存储器1502可包括但不限于硬盘(hard disk drive，HDD)或固态硬盘(solid-state drive，SSD)等非易失性存储器，随机存储记忆体(Random Access Memory，RAM)、可擦除可编程只读存储器(Erasable Programmable ROM，EPROM)、ROM或便携式只读存储器(Compact Disc Read-Only Memory，CD-ROM)等等。
可选的，所述通信装置1500还可以包括收发器1505、天线1506。所述收发器1505可以称为收发单元、收发机、或收发电路等，用于实现收发功能。收发器1505可以包括接收器和发送器，接收器可以称为接收机或接收电路等，用于实现接收功能；发送器可以称为发送机或发送电路等，用于实现发送功能。
所述通信装置1500为第一设备：处理器1501用于执行上述通信方法100中的S101，通信方法200中的S201，通信方法300中的S301，以及通信方法400中的S401和S402；收发器1505用于执行上述通信方法100中的S102，通信方法200中的S202，通信方法300中的S302，以及通信方法400中的S403和S404。
所述通信装置1500为发送设备：处理器1501用于执行上述通信方法100中的S103，通信方法200中的S203，通信方法300中的S303，通信方法400中的S405；收发器1505用于执行上述通信方法100中的S102，通信方法200中的S202，通信方法300中的S302，通信方法400中的S403、S404。
另一种可能的设计中，处理器1501中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路，或者是接口，或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的，也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写，或者，上述收发电路、接口或接口电路可以用于信号的传输或传递。
又一种可能的设计中，可选的，处理器1501可以存有指令1503，指令1503在处理器1501上运行，可使得所述通信装置1500执行上述方法实施例中描述的方法。指令1503可能固化在处理器1501中，该种情况下，处理器1501可能由硬件实现。
又一种可能的设计中，通信装置1500可以包括电路，所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请实施例中描述的处理器和收发器可实现在集成电路(integrated circuit，IC)、模拟IC、射频集成电路(radio frequency integrated circuit，RFIC)、混合信号IC、专用集成电路(application specific integrated circuit，ASIC)、印刷电路板(printed circuit board，PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造，例如互补金属氧化物半导体(complementary metal oxide semiconductor，CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor，NMOS)、P型金属氧化物半导体(positive channel  metal oxide semiconductor，PMOS)、双极结型晶体管(Bipolar Junction Transistor，BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
本申请实施例中描述的通信装置的范围并不限于此，而且通信装置的结构可以不受图15的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是：
(1)独立的集成电路IC，或芯片，或，芯片系统或子系统；
(2)具有一个或多个IC的集合，可选的，该IC集合也可以包括用于存储数据，指令的存储部件；
(3)ASIC，例如调制解调器(modulator)；
(4)可嵌入在其他设备内的模块；
本申请实施例中通信装置1500、芯片还可执行上述通信装置1400所述的实现方式。本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件，或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用，可以使用各种方法实现所述的功能，但这种实现不应被理解为超出本申请实施例保护的范围。
本申请实施例和上述通信方法100至通信方法400所示方法实施例根据同一构思，其带来的技术效果也相同，具体原理请参照上述通信方法100至通信方法400所示实施例的描述，不再赘述。
本申请还提供了一种计算机可读存储介质，用于储存计算机指令，当所述指令被通信装置执行时，实现上述任一方法实施例的功能。
本申请还提供了一种计算机程序产品，包括计算机指令，当所述指令被通信装置执行时，实现上述任一方法实施例的功能。
本申请还提供了一种计算机程序，当其在计算机上运行时，实现上述任一方法实施例的功能。
本申请还提供了一种通信系统，该系统包括一个或多个网络设备，以及一个或多个终端设备。在另一种可能的设计中，该系统还可以包括本申请提供的方案中与网络设备、终端设备进行交互的其他设备。本申请实施例中的发送设备和接收设备为该系统中不同的终端设备；集中调度设备可以是该系统中的网络设备，也可以是该系统中的终端设备。
上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，SSD)等。
其中，本申请的说明书、权利要求书及附图中的术语“第一”和“第二”等是用于区别不同对象，而不是用于描述特定顺序。“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本实施例的描述中，除非另有说明，“多个”的含义是两个或两个以上。
此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
应当理解，在本申请中，“多个”是指两个或两个以上。“和/或”，用于描述关联对象的关联关系，表示可以存在三种关系。例如，“A和/或B”可以表示：只存在A，只存在B以及同时存在A和B三种情况，其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“…时”以及“若”均指在某种客观情况下会做出相应的处理，并非是限定时间，且也不要求实现时要有判断的动作，也不意味着存在其它限定。
在本申请实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念，便于理解。
以上所述，仅为本申请的具体实施方式，但本申请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申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (29)

  1. 一种通信方法，其特征在于，所述方法包括：
    确定第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
    向所述一个或多个发送设备发送所述第一指示。
  2. 根据权利要求1所述的方法，其特征在于，
    所述第一指示具体用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向所述接收设备发送的信号和/或信道进行资源预留；
    所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源，位于所述第一发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之后。
  3. 根据权利要求2所述的方法，其特征在于，
    所述第一发送设备和所述一个或多个第二发送设备均处于所述接收设备的第一地理位置范围或第一传输时延范围内；和/或，
    所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。
  4. 根据权利要求2或3所述的方法，其特征在于，
    所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上连续；或者，
    所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，且在所述第一发送设备和所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向所述接收设备发送信号和/或信道；
    所述第三发送设备是位于所述接收设备的第一地理位置范围或第一传输时延范围外的发送设备，和/或，是向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。
  5. 根据权利要求2至4任一项所述的方法，其特征在于，所述方法还包括：
    接收来自所述第一发送设备，和/或，所述一个或多个第二发送设备的第二指示；所述第二指示用于指示是否为向所述接收设备发送的信号和/或信道进行资源预留；
    根据所述第二指示，接收来自所述第一发送设备，以及所述一个或多个第二发送设备的信号和/或信道。
  6. 根据权利要求2至5任一项所述的方法，其特征在于，所述方法还包括：
    发送第三指示；
    所述第三指示用于指示一个或多个第四发送设备将其向所述接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源；
    所述第四发送设备是位于所述接收设备的第一地理位置范围或第一传输时延范围内的发送设备，和/或，是向所述接收设备发送信号和/或信道时，所述接收设备接收信号的信号强度位于第一信号强度范围内的发送设备；
    所述第四发送设备包括所述第一发送设备，和/或，所述一个或多个第二发送设备。
  7. 根据权利要求1至6任一项所述的方法，其特征在于，所述一个或多个发送设备以及所述接收设备用于多跳通信时，
    所述第一指示具体用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向所述当前跳的接收设备发送的信号和/或信道进行资源预留。
  8. 根据权利要求1至7任一项所述的方法，其特征在于，
    所述一个或多个发送设备向所述接收设备发送的信号和/或信道均是周期性发送的。
  9. 根据权利要求1至8任一项所述的方法，其特征在于，
    所述资源预留，包括：对用于向所述接收设备发送的信号和/或信道的符号进行打孔操作，或者对向所述接收设备发送的信号和/或信道在符号上进行重复发送。
  10. 根据权利要求1至9任一项所述的方法，其特征在于，
    所述第一指示具体用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
  11. 根据权利要求10所述的方法，其特征在于，所述方法还包括：
    发送第四指示，所述第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向所述接收设备发送的信号和/或信道进行资源预留；
    所述一个或多个发送设备向所述接收设备发送的信号和/或信道所占用的时域资源，与所述一个或多个第五发送设备向所述接收设备发送的信号和/或信道所占用的时域资源存在重叠。
  12. 一种通信方法，其特征在于，所述方法包括：
    接收第一指示；所述第一指示用于指示一个或多个发送设备是否为向接收设备发送的信号和/或信道进行资源预留；
    根据所述第一指示，确定是否为向所述接收设备发送的信号和/或信道进行资源预留。
  13. 根据权利要求12所述的方法，其特征在于，
    所述第一指示具体用于指示第一发送设备为向接收设备发送的信号和/或信道进行资源预留，以及一个或多个第二发送设备不为向所述接收设备发送的信号和/或信道进行资源预留；
    所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源，位于所述第一发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之后。
  14. 根据权利要求13所述的方法，其特征在于，
    所述第一发送设备和所述一个或多个第二发送设备均处于所述接收设备的第一地理位置范围或第一传输时延范围内；和/或，
    所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度均处于第一信号强度范围内。
  15. 根据权利要求13或14所述的方法，其特征在于，
    所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上连续；或者，
    所述第一发送设备，以及所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源在时域上不连续，且在所述第一发送设备和所述一个或多个第二发送设备向所述接收设备发送的信号和/或信道所占用的时域资源之间，无第三发送设备向所述接收设备发送信号和/或信道；
    所述第三发送设备是位于所述接收设备的第一地理位置范围或第一传输时延范围外的发送设备，和/或，是向所述接收设备发送信号和/或信道时，所述接收设备接收信号和/或信道的信号强度处于第一信号强度范围外的发送设备。
  16. 根据权利要求12至15任一项所述的方法，其特征在于，所述方法还包括：
    发送第二指示；所述第二指示用于指示是否为向所述接收设备发送的信号和/或信道进行资源预留；
    根据所述第二指示，向所述接收设备发送信号和/或信道。
  17. 根据权利要求12至16任一项所述的方法，其特征在于，所述方法还包括：
    接收第三指示；所述第三指示用于指示将向所述接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源；
    将向所述接收设备发送的信号和/或信道所占用的时域资源调整为第一时域资源。
  18. 根据权利要求12至17任一项所述的方法，其特征在于，所述一个或多个发送设备以及所述接收设备用于多跳通信时，
    所述第一指示具体用于指示多跳通信的发送设备与其当前跳的接收设备通信时，是否为向所述当前跳的接收设备发送的信号和/或信道进行资源预留。
  19. 根据权利要求12至18任一项所述的方法，其特征在于，
    所述一个或多个发送设备向所述接收设备发送的信号和/或信道均是周期性发送的。
  20. 根据权利要求12至19任一项所述的方法，其特征在于，
    所述资源预留，包括：对用于向所述接收设备发送的信号和/或信道的符号进行打孔操作，或者对向所述接收设备发送的信号和/或信道在符号上进行重复发送。
  21. 根据权利要求12至20任一项所述的方法，其特征在于，
    所述第一指示具体用于指示一个或多个发送设备在第一频域资源上，是否为向接收设备发送的信号和/或信道进行资源预留。
  22. 根据权利要求12至21任一项所述的方法，其特征在于，
    接收第四指示，所述第四指示用于指示一个或多个第五发送设备在第二频域资源上，是否为向所述接收设备发送的信号和/或信道进行资源预留；
    所述一个或多个发送设备向所述接收设备发送的信号和/或信道占用的时域资源，与所述一个或多个第五发送设备向所述接收设备发送的信号和/或信道占用的时域资源存在重叠。
  23. 一种通信装置，其特征在于，所述装置包括用于实现权利要求1至11任一项所述的方法的模块或单元，或者用于实现权利要求12至22任一项所述的方法的模块或单元。
  24. 一种通信装置，其特征在于，包括处理器，所述处理器用于通过逻辑电路或运行计算机程序，执行权利要求1至11任一项所述的方法；或者，用于通过逻辑电路或运行计算机程序，执行权利要求12至22任一项所述的方法。
  25. 根据权利要求24所述的装置，其特征在于，还包括收发器，所述收发器用于收发信号。
  26. 根据权利要求24或25所述的装置，其特征在于，还包括存储器，所述存储器用于存储所述计算机程序。
  27. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质用于存储有指令，当其在计算机上运行时，使得权利要求1至11任一项所述的方法被执行，或者使得权利要求12至22任一项所述的方法被执行。
  28. 一种包含指令的计算机程序产品，其特征在于，当其在计算机上运行时，使得权利要求1至11任一项所述的方法被执行，或者使得权利要求12至22任一项所述的方法被执行。
  29. 一种通信系统，其特征在于，所述系统包括接收设备和发送设备，所述接收设备用于执行权利要求1至11任一项所述的方法，所述发送设备用于执行权利要求12至22任一项所述的方法。
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WO2017017871A1 (ja) * 2015-07-29 2017-02-02 日本電気株式会社 端末及び基地局並びにこれらの方法
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US20190342867A1 (en) * 2016-12-29 2019-11-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Signal Transmission Method, Terminal Device and Network Device
CN113243117A (zh) * 2019-01-10 2021-08-10 富士通株式会社 边链路资源复用和指示方法以及装置
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