Communication method and device

Abstract

The invention provides a communication method and device, which can be applied to receiving equipment or centralized scheduling equipment. The communication method comprises the following steps: determining a first indication, wherein the first indication is used for indicating whether one or more sending devices perform resource reservation for a signal and / or a channel sent to a receiving device; the first indication is sent to one or more sending devices. It can be seen that the receiving device or the centralized scheduling device indicates, for one or more sending devices, whether to perform resource reservation for the signal and / or channel sent to the receiving device, and the one or more sending devices determine, according to the first indication, whether to perform resource reservation for the signal and / or channel sent to the receiving device. Therefore, when the receiving device receives signals and / or channels from one or more sending devices, the reserved resources do not need to be used for automatic gain control operation, and the resource overhead caused by the automatic gain control operation can be reduced.

Description

A communication method and device

[0001] The present application relates to the field of communication technology, and in particular to a communication method and device.

[0002] The near-far effect of different transmitting ends will cause the signal fluctuation range of the receiving end to be larger. Therefore, when the receiving end receives signals and / or channels from different transmitting ends, it is necessary to perform automatic gain control (AGC) operation to receive the signals and / or channels with the adapted receiving power.

[0003] The receiving end needs a certain amount of processing time to perform the AGC operation. Currently, the transmitting end reserves the first symbol of the transmitted signal and / or channel for the receiving end to perform the AGC operation. However, 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.

[0004] Summary of the invention

[0005] The embodiments of the present application provide a communication method and device, which are beneficial to reducing the resource overhead caused by AGC operation.

[0006] In a first aspect, 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). In the method, 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.

[0007] It can be seen that 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.

[0008] In one possible implementation, 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.

[0009] 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.

[0010] Therefore, 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.

[0011] In one possible implementation, 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.

[0012] When the first transmitting device and one or more second transmitting devices are both within the first geographical location range or the first transmission delay range of the receiving device, 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.

[0013] 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 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.

[0014] When the power fluctuation of the signals and / or channels received by the receiving device from the first sending device and one or more second sending devices is within a certain range, it is beneficial for the first device to indicate to the first sending device and one or more second sending devices whether each of the sending devices reserves resources for the signals and / or channels sent to the receiving device.

[0015] In a possible implementation, 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 receiving device performing the automatic gain control operation.

[0016] In another possible implementation, 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.

[0017] Among them, 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.

[0018] That is to say, when 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 not continuous in the time domain, and within the time domain resource range 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 other third transmitting device sending to the receiving device. Therefore, 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.

[0019] In a possible implementation, 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. Thus, 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.

[0020] In this manner, 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.

[0021] In a possible implementation, 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.

[0022] 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.

[0023] When 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.

[0024] When the fourth sending device is a sending device other than the first sending device and 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.

[0025] In one possible implementation, when the one or more sending devices and the receiving device are used for multi-hop communication, 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.

[0026] This method enables a sending device in multi-hop communication to determine whether to reserve resources for a signal and / or channel to be sent to a receiving device of the current hop based on a 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.

[0027] In a possible implementation, 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.

[0028] In a possible implementation manner, 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.

[0029] In another possible implementation, 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 to improve the receiving performance.

[0030] In a possible implementation manner, 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.

[0031] In a possible implementation manner, a fourth indication may also be sent, where the fourth indication is used to indicate whether one or more fifth sending devices reserve resources for a signal and / or channel sent to the receiving device on the second frequency domain resources;

[0032] Among them, 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.

[0033] It can be seen that when 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 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.

[0034] In addition, 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.

[0035] In the second aspect, 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). In this method, 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.

[0036] It can be seen that 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.

[0037] In one possible implementation, 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.

[0038] 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.

[0039] Thus, when the transmitting device is the first transmitting 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. As a result, when 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.

[0040] In one possible implementation, 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.

[0041] This method 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. Thus, 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.

[0042] In a possible implementation, 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.

[0043] In another possible implementation, 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.

[0044] Among them, 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.

[0045] That is to say, when 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, 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.

[0046] Thus, when 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.

[0047] In a possible implementation, 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.

[0048] In a possible implementation, 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.

[0049] When the sending device is a first sending device, and / or one or more second sending devices, 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.

[0050] When the sending device is a sending device other than the first sending device and one or more second sending devices, 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.

[0051] In one possible implementation, when the one or more sending devices and the receiving device are used for multi-hop communication, 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.

[0052] This method enables a sending device in multi-hop communication to determine whether to reserve resources for a signal and / or channel to be sent to a receiving device of the current hop based on a 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.

[0053] In a possible implementation, 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.

[0054] In a possible implementation manner, 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.

[0055] In another possible implementation, 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 to improve the receiving performance.

[0056] In a possible implementation manner, 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.

[0057] In a possible implementation, 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 for signals and / or channels sent to the receiving device on the second frequency domain resources. 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.

[0058] It can be seen that when 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 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.

[0059] In addition, 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.

[0060] In a third aspect, 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. For example, 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.

[0061] In one possible design, 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.

[0062] In one embodiment, the communication device includes a communication unit and a processing unit;

[0063] 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;

[0064] The communication unit is configured to send the first indication to the one or more sending devices.

[0065] In addition, in this aspect, the communication device can also execute the method 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.

[0066] In another embodiment, the communication device includes a communication unit and a processing unit;

[0067] 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;

[0068] 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.

[0069] In addition, in this aspect, 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.

[0070] As an example, the communication unit may be a transceiver, the storage unit may be a memory, and the processing unit may be a processor.

[0071] In one embodiment, the device includes a transceiver and a processor;

[0072] The processor 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;

[0073] The transceiver is used to send the first indication to the one or more sending devices.

[0074] In addition, in this aspect, other possible implementations of the communication device can refer to the relevant content of the first aspect mentioned above, which will not be described in detail here.

[0075] In another embodiment, the communication device includes a transceiver and a processor;

[0076] 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;

[0077] 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.

[0078] In addition, in this aspect, other possible implementations of the communication device can refer to the relevant content of the above-mentioned second aspect and will not be described in detail here.

[0079] In another embodiment, 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.

[0080] During the implementation process, the processor can be used to perform, for example, but not limited to, baseband related processing, and 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. For example, the processor can be further divided into an analog baseband processor and a digital baseband processor. Among them, 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. For example, 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. Such a chip can be called a system on a chip (SoC). Whether each device is independently arranged on different chips or integrated on one or more chips often depends on the needs of product design. The embodiment of the present application does not limit the implementation form of the above-mentioned devices.

[0081] In a fourth aspect, the present application also provides a processor for executing the above-mentioned various methods. In the process of executing these 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. 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. Similarly, when the processor receives the above-mentioned information input, 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.

[0082] For the sending and receiving operations involved in the processor, unless otherwise specified, or unless they conflict with their actual function or internal logic in the relevant description, they can be more generally understood as processor output, reception, input and other operations, rather than sending and receiving operations performed directly by the RF circuit and antenna.

[0083] In the implementation process, the processor may be a processor specifically used to execute these methods, or 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. The embodiment of the present application does not limit the type of memory and the arrangement of the memory and the processor.

[0084] In a fifth aspect, the present application also provides a communication system, which includes one or more network devices and one or more terminal devices. In another possible design, 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.

[0085] In a sixth aspect, 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.

[0086] In a seventh aspect, 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.

[0087] In an eighth aspect, the present application provides a chip system, comprising 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. In one possible design, the chip system also includes a memory, which is used to store program instructions and data necessary for the terminal. The chip system may be composed of a chip, or may include a chip and other discrete devices.

[0088] In a ninth aspect, 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.

[0089] In one possible implementation, the processor and the memory are integrated together;

[0090] In another possible implementation, the memory is located outside the communication device.

[0091] 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.

[0092] FIG1 is a schematic diagram of a system architecture provided by an embodiment of the present application;

[0093] FIG2 is a schematic diagram of a contention-based resource configuration transmission provided in an embodiment of the present application;

[0094] FIG3 is a schematic diagram of a centralized resource configuration transmission provided in an embodiment of the present application;

[0095] FIG4 is a schematic diagram of time domain resources occupied by data transmission provided in an embodiment of the present application;

[0096] FIG5 is an interactive schematic diagram of a communication method provided in an embodiment of the present application;

[0097] FIG6 is an interactive schematic diagram of another communication method provided in an embodiment of the present application;

[0098] FIG7 is a schematic diagram of another resource configuration transmission based on contention provided in an embodiment of the present application;

[0099] FIG8 is a schematic diagram of time domain resources occupied by a signal and / or channel provided in an embodiment of the present application;

[0100] FIG9 is a schematic diagram of another centralized resource configuration transmission provided in an embodiment of the present application;

[0101] FIG10 is a schematic diagram of time domain resources occupied by another signal and / or channel provided in an embodiment of the present application;

[0102] FIG11 is an interactive schematic diagram of another communication method provided in an embodiment of the present application;

[0103] FIG12 is a schematic diagram of a multi-hop communication scenario provided in an embodiment of the present application;

[0104] FIG13 is an interactive schematic diagram of another communication method provided in an embodiment of the present application;

[0105] FIG14 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application;

[0106] FIG. 15 is a schematic diagram of the structure of another communication device provided in an embodiment of the present application.

[0107] The technical solutions in the embodiments of the present application are clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0108] 1. Communication system.

[0109] In order to better understand the communication method disclosed in the embodiment of the present application, a communication system applicable to the embodiment of the present application is described.

[0110] The embodiments of the present application can be applied to long term evolution (LTE) systems, fifth generation (5G) mobile communication systems, sixth generation (6G) mobile communication systems, and other systems that have evolved after 5G, satellite communications, and short-range wireless communication systems, and the system architecture is shown in Figure 1. 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.

[0111] It can be understood that 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 of communication (mMTC), wireless fidelity (WiFi) system, etc.

[0112] In an embodiment of the present application, the network device is a device with wireless transceiver functions, which is used to communicate with a 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 (3rd generation partnership project, 3GPP) access device, etc. Optionally, 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, transmission and receiving points (TRP), transmitting points (TP), mobile switching centers, and devices to devices (D2D), vehicle-to-everything (V2X), and machine-to-machine (M2M) communications that perform base station functions, devices that realize base station functions in communication systems that evolve after 5G, integrated access and backhaul (IAB), and may also include centralized units (CU) and distributed units (DU) in cloud access networks (C-RAN) systems, and non-terrestrial communication networks (non-terrestrial networks). The network equipment in the NTN communication system can be deployed on a high-altitude platform or a satellite, or can be various types of equipment constituting an access node, such as an active antenna unit (AAU), a baseband unit (BBU), etc., which is not specifically limited in the embodiments of the present application.

[0113] 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). As a bearer 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.

[0114] The terminal devices involved in the embodiments of the present application may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem with wireless communication functions. The terminal devices may also be referred to as terminals. Terminal equipment 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 device, drone, robot, terminal in D2D, terminal in vehicle to everything (V2X), virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal in industrial control, wireless terminal in self driving, wireless terminal in remote medical, wireless terminal in smart grid, transportation security (transportation) This application does not limit the wireless terminals in smart cities, smart homes, or terminal devices in future communication networks.

[0115] The embodiments disclosed in this application will present various aspects, embodiments or features of the application around a system including multiple devices, components, modules, etc. It should be understood and appreciated that each system may include additional devices, components, modules, etc., and / or may not include all devices, components, modules, etc. discussed in conjunction with the drawings. In addition, combinations of these schemes may also be used.

[0116] 2. Related concepts

[0117] In order to better understand the communication method disclosed in the embodiments of the present application, the relevant concepts involved in the embodiments of the present application are briefly introduced.

[0118] 1. Competition-based resource configuration transmission and centralized scheduling resource configuration transmission.

[0119] Contention-based resource configuration transmission refers to the acquisition of transmission resources for communication between terminal devices based on competition. For example, the listen before talk (LBT) mechanism is adopted between terminals to acquire transmission resources. In the LBT mechanism, 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.

[0120] For example, as shown in Figure 2, 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 determining its own transmission resources for transmitting signals and / or channels from the idle resources.

[0121] 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. For example, as shown in FIG3 , the network device configures transmission resources for communication between terminals 1 to 5.

[0122] 2. Automatic gain control (AGC).

[0123] When the signal received by the receiving device is strong, 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.

[0124] The receiving device needs a certain amount of time to perform AGC operation. When the subcarrier spacing of the signal received by the receiving device is different, the time required for the AGC operation is different. Typically, when the subcarrier spacing is 15KHz, 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.

[0125] At present, in order to perform AGC operation on a receiving device, 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. In other words, when the receiving device receives a signal and / or channel, the first symbol of the signal and / or channel can be used to perform AGC operation.

[0126] Different receiving devices have different performances, so different receiving devices require different times for AGC operations. Therefore, the time for the receiving device to perform AGC operations may be less than one symbol. When 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., the transmitting device also carries the signal or channel carried on the second symbol on the first symbol, that is, the signal or channel carried on the second symbol is repeatedly sent on the first symbol. Thus, when receiving a signal and / or channel from a 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 a 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.

[0127] Exemplarily, FIG4 is the time domain resources occupied by the signal and / or channel sent by the transmitting device to the receiving device. As shown in FIG4, the first symbol of the time domain resource is a resource reserved for the receiving device to perform the AGC operation, that is, the receiving device can perform the AGC operation within the first symbol. The second symbol of the time domain resource carries PSCCH and DMRS. In order to improve the receiving performance of the receiving device, the transmitting device also sends DMRS and PSCCH on the first symbol, that is, repeatedly sends DMRS and PSCCH on the first symbol. Thus, the receiving device can receive DMRS and PSCCH after completing the AGC operation within the first symbol, which can improve the probability of successfully receiving DMRS and PSCCH. In addition, 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.

[0128] Optionally, the transmitting device may also puncture the symbols of the signal and / or channel used to be sent to the receiving device, that is, the symbols are used for the receiving device to perform the AGC operation, which may result in poor reception performance. For example, 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.

[0129] It can be seen that currently, when a transmitting device sends a signal and / or channel to a receiving device, resources are reserved by default, such as reserving a symbol for the receiving device to perform AGC operations. However, this method will cause the receiving device to perform AGC operations in the first symbol occupied by the signal and / or channel when receiving the signal and / or channel from each transmitting device, resulting in the first symbol resource being unusable, thereby bringing about a large resource overhead.

[0130] The embodiments of the present application can be applied to D2D communication and sidelink (SL) scenarios in V2X communication. For example, 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.

[0131] 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.

[0132] When the embodiment of the present application is applied to contention-based resource configuration transmission, the first device is a receiving device, and the receiving device is a receiving terminal, and the one or more sending devices are sending terminals that send signals / channels to the receiving terminal.

[0133] When the embodiment of the present application is applied to the transmission of resource configuration in centralized scheduling, the first device is a centralized scheduling device, the receiving device is a receiving terminal, and 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 node is separated from the scheduling node.

[0134] 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.

[0135] 3. Communication methods 100.

[0136] The embodiment of the present application provides a communication method 100. FIG5 is an interactive schematic diagram of the communication method 100. In 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:

[0137] S101. 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.

[0138] In a possible implementation, 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.

[0139] In another possible implementation, resource reservation includes: repeatedly sending the signal and / or channel sent to the receiving device in symbols. Exemplarily, as shown in FIG4 , 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.

[0140] Therefore, when 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. Correspondingly, when 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.

[0141] In a possible implementation, 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. Correspondingly, 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.

[0142] In a possible implementation, the first device may also pre-acquire the time domain resources occupied by the signals and / or channels sent by one or more transmitting devices to the receiving device, and the geographic location information of each transmitting device in the one or more transmitting devices. The geographic location information may include the distance between the transmitting device and the receiving device, the angle from the transmitting device to the receiving device, and the geographic location coordinates of the transmitting device. Exemplarily, the geographic location coordinates may be the longitude, latitude, and altitude of the relative position or the absolute position. Exemplarily, the angle from the transmitting device to the receiving device may be the angle of arrival (AOA), the zenith angle of arrival (ZOA), etc. Thus, the receiving device may determine whether each transmitting device reserves resources for the signal and / or channel sent to the receiving device, i.e., determine the first indication, based on the position range of each transmitting device in the one or more transmitting devices in the receiving device, and the time domain resources occupied by the signals and / or channels sent by each transmitting device to the receiving device.

[0143] Exemplarily, 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. In other words, for the multiple transmitting devices whose geographical locations are within the same geographical location range of the receiving device (i.e., the multiple transmitting devices belonging to the same group), 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, and 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.

[0144] Exemplarily, the first device is a receiving terminal, and 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. Then, when 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.

[0145] Therefore, when 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. When 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.

[0146] Optionally, 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.

[0147] Optionally, 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.

[0148] Exemplarily, the first device is a receiving terminal, and 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. Then, 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.

[0149] In another possible implementation, 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.

[0150] 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. Please refer to the above-mentioned implementation method in which 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.

[0151] It can be seen that 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 reducing the resource overhead caused by the receiving device configuring reserved resources for AGC operations.

[0152] Optionally, when the first indication is used to indicate whether a sending device reserves resources for a signal and / or channel sent to a receiving device, 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.

[0153] It is understandable that 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. Exemplarily, 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 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. When the first device sends the first indication by groupcast or multicast, 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.

[0154] Optionally, when the first indication is 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.

[0155] Optionally, 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. Correspondingly, 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. Thus, 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.

[0156] S102. The first device sends a first indication to one or more sending devices. Correspondingly, each of the one or more sending devices receives the first indication.

[0157] It can be understood that when the first indication is used to indicate whether multiple sending devices reserve resources for signals and / or channels sent to the receiving device, the first device can send the first indication to the multiple sending devices by multicasting.

[0158] Optionally, when the first indication is used to indicate whether a sending device reserves resources for a signal and / or channel to be sent to a receiving device, 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.

[0159] S103. The sending device determines, according to the first indication, whether to reserve resources for the signal and / or channel sent to the receiving device.

[0160] It can be understood that the sending device is any one of one or more sending devices.

[0161] When the first indication is used to indicate whether multiple sending devices reserve resources for signals and / or channels sent to a receiving device, 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.

[0162] When the first indication received by the sending device is used to indicate whether the sending device reserves resources for the signal and / or channel sent to the receiving 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.

[0163] In a possible implementation, when the transmitting device determines to reserve resources for the signal and / or channel to be 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. Correspondingly, when the receiving device receives the signal and / or channel from the transmitting 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.

[0164] Optionally, when 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. Correspondingly, when 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.

[0165] Optionally, when 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.

[0166] In the embodiment of the present application, 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.

[0167] 4. Communication method 200.

[0168] The embodiment of the present application also provides a communication method 200, and FIG6 is an interactive schematic diagram of the communication method 200. In 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:

[0169] S201. 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.

[0170] It can be understood that the receiving device is a receiving terminal, the first sending device can be understood as a first sending terminal, and 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. Then, 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.

[0171] 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.

[0172] In this manner, 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. For example, 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).

[0173] In addition, the implementation method of resource reservation can refer to the above-mentioned communication method 100, which will not be repeated here.

[0174] In a possible implementation, 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. In this manner, when 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. Then, 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.

[0175] Therefore, 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. In this manner, when 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 reducing the resource overhead caused by the AGC operation.

[0176] Under this implementation, 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. Alternatively, 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.

[0177] Exemplarily, in the contention-based resource configuration transmission scenario shown in FIG7 , 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. For example, 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.

[0178] Thus, 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.

[0179] Exemplarily, taking the example of 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 sending periodic signals and / or channels to the receiving terminal can be seen in FIG8. As shown in FIG8, the slash filled area in group 1 represents the time domain resources occupied by the transmitting terminal 2 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 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 sending a periodic signal and / or channel to the receiving terminal, and 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 sending a periodic signal and / or channel to the receiving terminal.

[0180] As can be seen from Figure 8, 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. Thus, 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.

[0181] Exemplarily, in the centralized resource configuration transmission scenario shown in FIG9 , 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.

[0182] For example, 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. As shown 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, and 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.

[0183] As can be seen from Figure 10, 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. Thus, 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.

[0184] Optionally, 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. Optionally, the transmission delay may also be understood as the transmission time.

[0185] After obtaining the transmission delays of multiple transmitting devices communicating with the receiving device and the receiving device, the first device 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.

[0186] For example, 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, and 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.

[0187] Optionally, after 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.

[0188] In another possible implementation, when the first transmitting device and one or more second transmitting devices transmit signals and / or channels to the receiving device, the signal strength of the signals and / or channels received by the receiving device is within the first signal strength range. In this manner, when 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.

[0189] In this implementation manner, 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.

[0190] Exemplarily, the first device is a receiving terminal, and 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, and 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.

[0191] In the embodiment of the present application, 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. For example, 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.

[0192] 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.

[0193] In a possible implementation manner, 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.

[0194] It is understandable that 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. In addition, 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 that 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.

[0195] Optionally, 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.

[0196] 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.

[0197] It is understandable that when 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 discontinuous in the time domain, and within the time domain resource range 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. Therefore, although 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 discontinuous in the time domain, 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.

[0198] In a possible implementation, 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.

[0199] When 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, and 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.

[0200] 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, it 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.

[0201] 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 indication 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.

[0202] In a possible implementation, 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, and 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.

[0203] In a possible implementation manner, 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.

[0204] In a possible implementation, 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.

[0205] S202: The first device sends a first indication. Correspondingly, the sending device receives the first indication.

[0206] The sending device may be a first sending device, or may be any one of one or more second sending devices.

[0207] It is understandable that 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.

[0208] Optionally, 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.

[0209] When the first device sends the first indication of the sending device to each of the first sending device and one or more second sending devices in a unicast manner, a sending device outside the group (third sending device) 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. Thus, 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.

[0210] Optionally, 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.

[0211] Furthermore, 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 the receiving device to configure AGC, or the performance loss caused by AGC adaptation due to the need for the receiving device to perform AGC operations.

[0212] S203. The sending device determines, according to the first indication, whether to reserve resources for the signal and / or channel sent to the receiving device.

[0213] When the transmitting device is the first transmitting device, the first transmitting device determines to reserve resources for the signal and / or channel sent to the receiving device according to the first indication. Thus, when the first transmitting device sends a signal and / or channel to the receiving device, the resource reservation is performed. Correspondingly, when the receiving device receives the signal and / or channel from the first transmitting device, the AGC operation is performed.

[0214] When the transmitting device is the second transmitting device, the second transmitting device determines not to reserve resources for the signal and / or channel sent to the receiving device according to the first indication. Thus, when the second transmitting device sends a signal and / or channel to the receiving device, no resource reservation is performed. Accordingly, when 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.

[0215] Optionally, after the sending device determines whether to reserve resources for the signal and / or channel sent to the receiving device based on the first indication, it 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.

[0216] Exemplarily, 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. Thus, when the second sending device sends a signal and / or channel to the receiving device, resources are reserved.

[0217] In a possible implementation, 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. Thus, 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.

[0218] Correspondingly, when the first device is a receiving device, 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.

[0219] Optionally, the first sending device sends the second indication to the receiving device. Correspondingly, the receiving device receives the second indication from the first sending device.

[0220] Optionally, one or more second sending devices send the second indication to the receiving device. Correspondingly, the receiving device receives the second indication from the one or more second sending devices.

[0221] Exemplarily, 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, and 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, and 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, and 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.

[0222] Thus, when the receiving terminal receives signals and / or channels from transmitting terminal 1 and transmitting terminal 4, the reserved resources are used to perform AGC operations. When 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.

[0223] Optionally, when a first sending device and a sending device among one or more second sending devices determine to reserve resources for a signal and / or a channel sent to a receiving device, 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. In this manner, when 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.

[0224] Optionally, when the first sending device and the sending device among the one or more second sending devices determine not to reserve resources for the signal and / or 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. In this manner, when the receiving device does not receive the second indication from a certain sending device, it is assumed that the sending device reserves resources for the signal and / or channel sent to the receiving device.

[0225] Both implementation methods 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.

[0226] In a possible implementation, 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 indicates 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 indicates that resources are not reserved for the signal and / or channel sent to the receiving device.

[0227] In another possible implementation, 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; and 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.

[0228] 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.

[0229] In a possible implementation, 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.

[0230] 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.

[0231] Exemplarily, during a first transmission cycle of a first transmitting device and one or more second transmitting devices, 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 a receiving device based on the first indication. During a second transmission cycle of the first transmitting device and one or more second transmitting devices, 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 a 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 a 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 a receiving device during the second transmission cycle.

[0232] 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. However, 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.

[0233] In one possible implementation, if an emergency occurs, for example, within the time domain resources occupied by the signal and / or channel sent by the first sending device to the receiving device, and within the time domain resources occupied by the signal and / or channel sent by one or more second sending devices to the receiving device, there are other sending devices targeting the transmission of the receiving device, the first device instructs the sending device that sends the signal and / or channel in the next transmission time interval (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.

[0234] Exemplarily, between the second transmitting device a and the second transmitting device b, there is a transmitting device c sending to the receiving device, then 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. Thus, when the second transmitting device b sends a signal and / or channel to the receiving device, resources are reserved to increase the probability that the receiving device successfully receives the signal and / or channel.

[0235] Optionally, 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.

[0236] In one possible implementation, the transmitting device is any second transmitting device among 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 in the time domain with the time domain resources occupied by the periodic signals and / or periodic channels sent by the second transmitting device to the receiving device, 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.

[0237] Therefore, in this case, 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.

[0238] Optionally, 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.

[0239] In the embodiment of the present application, 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 is conducive to the receiving device using the reserved resources to perform AGC operation when receiving the signal and / or channel from the first transmitting device, and when receiving the signal and / or channel from one or more second transmitting devices, it does not need to use the reserved resources to perform AGC operation, thereby reducing resource overhead.

[0240] 5. Communication method 300.

[0241] 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. In 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:

[0242] S301. 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 multi-hop communication communicates with a receiving device of a current hop.

[0243] Among them, 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. For example, in the process of signal a from terminal 1 to terminal 4, it needs to be forwarded by terminal 2 and terminal 3, that is, terminal 1 sends signal a to terminal 2, terminal 2 forwards signal a to terminal 3, and terminal 3 forwards signal a to terminal 4.

[0244] It can be understood that when 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. Whether the sending device reserves resources for the signal and / or channel sent to the current hop receiving device is determined by the device.

[0245] Exemplarily, as shown in FIG12, 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. Then terminal 2 is the receiving terminal of the current hop when terminal 1 communicates with terminal 2, and 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. If 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. In addition, if the time domain resources occupied by the signal and / or channel sent by terminal 1 to terminal 2 are before the time domain resources occupied by the signal and / or channel sent by terminal 4 to terminal 2, 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.

[0246] In addition, 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. In addition, 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.

[0247] Optionally, 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.

[0248] It can be seen that when the centralized scheduling device determines whether the sending terminal reserves resources for the signal and / or channel sent to the receiving terminal of the current jump, it takes the sending terminal and the receiving terminal of the current jump 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 sending terminal reserves resources for the signal and / or channel sent to the receiving terminal of the current jump.

[0249] In a possible implementation, 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.

[0250] In a possible implementation, the 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 the multi-hop communication.

[0251] S302. The centralized scheduling device sends a first instruction. Correspondingly, the sending device receives the first instruction.

[0252] It is understandable that 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.

[0253] Exemplarily, 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.

[0254] Optionally, 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.

[0255] S303. The sending device determines, according to the first indication, whether to reserve resources for the signal and / or channel sent to the currently jumped receiving device.

[0256] The sending device is any sending device in multi-hop communication.

[0257] It can be understood that 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.

[0258] In the embodiment of the present application, when 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. Thus, 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.

[0259] 6. Communication method 400.

[0260] The embodiment of the present application also provides a communication method 400, and FIG13 is an interactive schematic diagram of the communication method 400. In the communication method 400, when the time domain resources occupied by the signals and / or channels sent by one or more transmitting devices to the receiving device overlap with the time domain resources occupied by the signals and / or channels sent by one or more fifth transmitting 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. Thus, one or more transmitting devices, and the 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 based on the first indication. The communication method 400 includes but is not limited to the following steps:

[0261] S401. 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.

[0262] S402. 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.

[0263] It can be understood that 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.

[0264] Among them, 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.

[0265] 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.

[0266] When the time domain resources occupied by the signals and / or channels sent by one or more transmitting devices to the receiving device overlap with the time domain resources occupied by the signals and / or channels sent by one or more fifth transmitting 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).

[0267] Thus, 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.

[0268] In addition, the implementation method of resource reservation can refer to the above-mentioned communication method 100, which will not be repeated here.

[0269] The embodiment of the present application does not limit the execution order of S401 and S402. For example, S401 may be executed before S402 or after S402.

[0270] S403. The first device sends a first indication. Correspondingly, the sending device receives the first indication.

[0271] S404: The first device sends a fourth indication. Correspondingly, the sending device receives the fourth indication.

[0272] The embodiment of the present application does not limit the execution order of S403 and S404. For example, S403 may be executed before S404 or after S404.

[0273] S405. 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.

[0274] When sending a signal and / or a channel to a receiving device on a first frequency domain resource, 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.

[0275] 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.

[0276] It can be seen that in the embodiment of the present application, when the time domain resources occupied by the signals and / or channels sent by one or more transmitting devices to the receiving device overlap with the time domain resources occupied by the signals and / or channels sent by one or more fifth transmitting devices to the receiving device, 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. Thus, 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. 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 operation by default, which is conducive to reducing the resource overhead caused by the receiving device using reserved resources for AGC operation.

[0277] In order to implement the functions of the method provided in the above embodiment of the present application, 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.

[0278] As shown in FIG14 , 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. Optionally, a storage unit 1403 may also be included.

[0279] In a possible design, 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.

[0280] The communication device 1400 has the function of implementing the first device or the sending device described in the embodiment of the present application. For example, 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. For details, please refer to the corresponding description in the aforementioned corresponding method embodiment.

[0281] In one possible design, a communication device 1400 may include: a processing unit 1402 and a communication unit 1401;

[0282] 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;

[0283] The communication unit 1401 is configured to send the first indication to the one or more sending devices.

[0284] In an optional implementation, 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.

[0285] In an optional implementation, 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 signal and / or channel received by the receiving device is both within a first signal strength range.

[0286] In an optional implementation, 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;

[0287] 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.

[0288] In an optional implementation, 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.

[0289] In an optional implementation, 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.

[0290] In an optional implementation, when the one or more sending devices and the receiving device are used for multi-hop communication, 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.

[0291] In an optional implementation manner, the signals and / or channels sent by the one or more sending devices to the receiving device are all sent periodically.

[0292] In an optional implementation, 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.

[0293] In an optional implementation, 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.

[0294] In an optional implementation, 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.

[0295] The embodiments of the present application and the method embodiments shown above are based on the same concept and bring about the same technical effects. For the specific principles, please refer to the description of the embodiments shown above and no further details will be given.

[0296] In another possible design, a communication device 1400 may include: a processing unit 1402 and a communication unit 1401;

[0297] 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;

[0298] 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.

[0299] In an optional implementation, 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.

[0300] In an optional implementation, 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 signal and / or channel received by the receiving device is both within a first signal strength range.

[0301] In an optional implementation, 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;

[0302] 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.

[0303] In an optional implementation, 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.

[0304] In an optional implementation, 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.

[0305] In an optional implementation, when the one or more sending devices and the receiving device are used for multi-hop communication, 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.

[0306] In an optional implementation manner, the signals and / or channels sent by the one or more sending devices to the receiving device are all sent periodically.

[0307] In an optional implementation, 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.

[0308] In an optional implementation, 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.

[0309] In an optional implementation, 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.

[0310] The embodiments of the present application and the method embodiments shown above are based on the same concept and bring about the same technical effects. For the specific principles, please refer to the description of the embodiments shown above and no further details will be given.

[0311] 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.

[0312] 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. For example, 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, and 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 a software program, and process the data of the software program.

[0313] Optionally, 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. Optionally, data may also be stored in the memory 1502. The processor 1501 and the memory 1502 may be provided separately or integrated together.

[0314] The 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), a random access memory (RAM), an erasable programmable ROM (EPROM), a ROM or a portable read-only memory (CD-ROM), etc.

[0315] Optionally, 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.

[0316] 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.

[0317] 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.

[0318] In another possible design, the processor 1501 may include a transceiver for implementing the receiving and sending functions. For example, 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.

[0319] In another possible design, optionally, the processor 1501 may store an instruction 1503, and the instruction 1503 runs on the processor 1501, so that the communication device 1500 can execute 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.

[0320] In another possible design, the communication device 1500 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiment. 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. 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 (nMetal-oxide-semiconductor, NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (Bipolar Junction Transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

[0321] 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. For example, the communication device may be:

[0322] (1) Independent integrated circuit IC, or chip, or chip system or subsystem;

[0323] (2) having a set of one or more ICs, and optionally, the IC set may also include a storage component for storing data and instructions;

[0324] (3) ASIC, such as a modem;

[0325] (4) Modules that can be embedded in other devices;

[0326] In the embodiment of the present application, the communication device 1500 and the chip can also execute the implementation method described in the above-mentioned communication device 1400. Those skilled in the art can also understand that 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.

[0327] The embodiments of the present application and the method embodiments shown in the above-mentioned communication methods 100 to 400 are based on the same concept and bring about the same technical effects. For the specific principles, please refer to the description of the embodiments shown in the above-mentioned communication methods 100 to 400 and will not be repeated here.

[0328] 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.

[0329] 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.

[0330] The present application also provides a computer program, which, when executed on a computer, implements the functions of any of the above method embodiments.

[0331] The present application also provides a communication system, which includes one or more network devices and one or more terminal devices. In another possible design, 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.

[0332] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may 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 may be any available medium that a computer can access 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 (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a high-density digital video disc (DVD)), or a semiconductor medium (eg, an SSD), etc.

[0333] Among them, the terms "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.

[0334] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.

[0335] It should be understood that in the present application, "plurality" refers to two or more. "And / or" is used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, "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.

[0336] In the embodiments of the present application, 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.

[0337] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

A communication method, characterized in that: The method comprises: determining 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; and sending the first indication to the one or more sending devices. The method according to claim 1, characterized in that 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 method according to claim 2, characterized in that 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 method according to claim 2 or 3, characterized in that 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, there is no third sending device sending 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 method according to any one of claims 2 to 4, characterized in that The method also includes: receiving 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; and receiving the signal and / or channel from the first sending device, and the one or more second sending devices according to the second indication. The method according to any one of claims 2 to 5, characterized in that The method also includes: sending 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 method according to any one of claims 1 to 6, characterized in that When the one or more sending devices and the receiving device are used for multi-hop communication, 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 the current hop. The method according to any one of claims 1 to 7, characterized in that The signals and / or channels sent by the one or more sending devices to the receiving device are all sent periodically. The method according to any one of claims 1 to 8, characterized in that The resource reservation includes: performing a puncturing operation on 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 method according to any one of claims 1 to 9, characterized in that 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 method according to claim 10, characterized in that The method also includes: sending 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 method, characterized in that: The method includes: receiving 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; and determining whether to reserve resources for signals and / or channels sent to the receiving device based on the first indication. The method according to claim 12, characterized in that 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 method according to claim 13, characterized in that 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 method according to claim 13 or 14, characterized in that 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, there is no third sending device sending 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 method according to any one of claims 12 to 15, characterized in that The method further includes: sending a second indication; the second indication is used to indicate whether to reserve resources for the signal and / or channel sent to the receiving device; and sending the signal and / or channel to the receiving device according to the second indication. The method according to any one of claims 12 to 16, characterized in that The method also includes: receiving 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; and adjusting the time domain resources occupied by the signal and / or channel sent to the receiving device to the first time domain resources. The method according to any one of claims 12 to 17, characterized in that When the one or more sending devices and the receiving device are used for multi-hop communication, 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 the current hop. The method according to any one of claims 12 to 18, characterized in that The signals and / or channels sent by the one or more sending devices to the receiving device are all sent periodically. The method according to any one of claims 12 to 19, characterized in that The resource reservation includes: performing a puncturing operation on 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 method according to any one of claims 12 to 20, characterized in that 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 method according to any one of claims 12 to 21, characterized in that Receive 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, characterized in that: The device includes a module or unit for implementing the method according to any one of claims 1 to 11, or a module or unit for implementing the method according to any one of claims 12 to 22. A communication device, characterized in that: The method comprises a processor, wherein the processor is used to execute the method according to any one of claims 1 to 11 through a logic circuit or running a computer program; or, the processor is used to execute the method according to any one of claims 12 to 22 through a logic circuit or running a computer program. The device according to claim 24, characterized in that Also included is a transceiver, which is used for transmitting and receiving signals. The device according to claim 24 or 25, characterized in that Also included is a memory for storing the computer program. A computer-readable storage medium, characterized in that The computer-readable storage medium is used to store instructions, and when the instructions are executed on a computer, the method described in any one of claims 1 to 11 is executed, or the method described in any one of claims 12 to 22 is executed. A computer program product comprising instructions, characterized in that When it is run on a computer, the method according to any one of claims 1 to 11 is executed, or the method according to any one of claims 12 to 22 is executed. A communication system, characterized in that: The system includes a receiving device and a sending device, the receiving device is used to execute the method according to any one of claims 1 to 11, and the sending device is used to execute the method according to any one of claims 12 to 22.

Images