CN109788538B

CN109788538B - Communication method and device

Info

Publication number: CN109788538B
Application number: CN201711124014.4A
Authority: CN
Inventors: 薛祎凡; 刘云; 王达; 王键
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-11-14
Filing date: 2017-11-14
Publication date: 2021-06-22
Anticipated expiration: 2037-11-14
Also published as: WO2019095932A1; CN109788538A

Abstract

The embodiment of the application provides a communication method and a device, wherein the method comprises the following steps: a first communication device acquires a first parameter of each of M first cells, wherein M is an integer greater than or equal to 1; the first communication device determines a first parameter of a second cell according to a first parameter of each of the M first cells, wherein any one of the M first cells is different from the second cell; the first cell and the second cell belong to cells available for the first communication device to communicate with a second communication device. Therefore, even if the first parameter of the second cell cannot be obtained according to the related information of the second cell, the first parameter can be obtained according to the first parameters of other cells, so that according to the first parameter of the second cell, the success rate and the quality of communication between the first communication device and the second communication device through the second cell can be improved, and when M is larger than 1, the robustness of the first parameter of the second cell can be improved.

Description

Communication method and device

Technical Field

The embodiment of the application relates to the technical field of communication, in particular to a communication method and device.

Background

In a communication system, the received power at the receiving end needs to be large enough to correctly demodulate the received data. However, the propagation of the electromagnetic wave in the space has power attenuation, which may be called path loss, and as the distance of the propagation of the electromagnetic wave increases, the power of the electromagnetic wave in one direction decreases, so that when the transmitting end transmits a signal, the factor of the power attenuation needs to be taken into consideration, that is, an estimated value of the path loss is determined first, and then the transmitting power is determined according to the estimated value of the path loss; therefore, path loss estimation is an important point.

In LTE, a Cell (Cell) may be composed of a downlink carrier and an uplink carrier, where the downlink carrier carries a downlink signal transmitted by a base station, the uplink carrier carries an uplink signal transmitted by a UE, and an estimated path loss value of the uplink signal of the Cell is estimated according to the downlink signal of the Cell, for example, the UE may obtain the estimated path loss value according to the received power of some Reference Signals (RSs) in the downlink carrier and the transmission power of the RSs indicated by the base station.

In NR, there is a concept of a cell similar to LTE, and besides the NR has a cell similar to LTE, a cell is introduced, which is composed of only one uplink carrier, and is called a Supplemental Uplink (SUL) cell, and the SUL cell is generally used as a SCell (secondary cell). However, the SUL cell is only composed of one uplink carrier, and there is no corresponding downlink carrier, and the path loss estimation value in the SUL cell cannot be obtained by the above-mentioned scheme in LTE, so how to determine the path loss estimation value of the SUL cell is an urgent problem to be solved.

Disclosure of Invention

The communication method and the communication device provided by the embodiment of the application can be used for obtaining the first parameter of another cell according to the first parameter of at least one cell.

In a first aspect, an embodiment of the present application provides a communication method, including: the first communication device acquires a first parameter of each of M first cells, wherein M is an integer greater than or equal to 1. Then, according to the first parameter of each of the M first cells, a first parameter of a second cell is determined, wherein any one of the M first cells is different from the second cell. The first cell and the second cell belong to cells available for the first communication device to communicate with a second communication device.

In one possible design, the first communication device further determines, before obtaining the first parameter of each of the M first cells, the M first cells from N cells, where N is an integer greater than M, and the N cells are cells available for the first communication device to communicate with the second communication device.

In one possible design, before the first communication device determines the M first cells from the N cells, the first communication device further receives first information sent by the second communication device, where the first information indicates the M first cells;

the first communications device determines the M first cells from the N cells, specifically: determining the M first cells from the N cells according to the first information.

In one possible design, the first communications device determines the M first cells from N cells, specifically: determining the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells; or, randomly determining at least one cell from the N cells as the M first cells.

In one possible design, the first communications device determines the M first cells from N cells, specifically: determining K cells which are activated currently from the N cells, wherein K is an integer which is more than or equal to M and less than or equal to N; the M first cells are then determined from the K cells.

In one possible design, the first communications device determines the M first cells from the K cells, specifically: determining the cells with the frequency points closest to the frequency point of the second cell from the K cells as the M first cells; or, randomly determining at least one cell from the K cells as the M first cells.

In one possible design, the first communications device determines the M first cells from N cells, specifically: determining a physical uplink control channel group related to the second cell from the N cells; and then determining the M first cells from J cells in the physical uplink control channel group, wherein J is an integer which is greater than or equal to M and less than or equal to N.

In one possible design, the first communications device determines the M first cells from J cells in the physical uplink control channel group, specifically: determining the cells with the frequency points closest to the frequency point of the second cell from the J cells as the M first cells; or, randomly determining at least one cell from the J cells as the M first cells.

In one possible design, after the first communication device randomly determines at least one cell as the M first cells, the first communication device further sends second information to the second communication device, where the second information indicates the M first cells determined by the first communication device.

In a possible design, the first communication device determines, according to the first parameters of the M first cells, the first parameter of the second cell, specifically: and determining the first parameters of the second cell according to the first parameters of the M first cells and the first functional relation.

In a possible design, the first communication device determines the first parameter of the second cell according to the first parameters of the M first cells and the first functional relationship, specifically: determining a maximum value of the first parameters of the M first cells as a first parameter of the second cell; or, determining that the minimum value of the first parameters of the M first cells is the first parameter of the second cell; or, determining an average value of the first parameters of the M first cells as the first parameter of the second cell; or, determining a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

In one possible embodiment, the first functional relationship is predefined or the second communication device is assigned to the first communication device.

In one possible design, the first parameter is a path loss estimate.

In one possible design, the second cell is a compensated uplink SUL cell.

In a second aspect, an embodiment of the present application provides a communication method, including: the second communication device determines M first cells from N cells, wherein M is an integer greater than or equal to 1, N is an integer greater than M, and the N cells are cells which can be used for the second communication device to communicate with the first communication device. Then sending first information to the first communication device, wherein the first information is used for indicating the M first cells, and first parameters of the M first cells are used for determining first parameters of a second cell by the first communication device; wherein any one of the M first cells is different from the second cell, which is one of the N cells.

In a third aspect, an embodiment of the present application provides a communication method, including: the second communication device receives second information sent by the first communication device, wherein the second information is used for indicating M first cells, first parameters of the M first cells are used for the first communication device to determine first parameters of a second cell, and M is an integer greater than or equal to 1. And then determining the M first cells from N cells according to the second information, wherein N is an integer larger than M.

The N cells are cells available for the second communication device to communicate with the first communication device, any one of the M first cells is different from the second cell, and the second cell is one of the N cells.

In a fourth aspect, an embodiment of the present application provides a communication apparatus, as a first communication apparatus, including: a memory and a processor;

the memory to store instructions;

the processor is configured to obtain a first parameter of each of M first cells when the instruction in the memory is called, where M is an integer greater than or equal to 1; determining a first parameter of a second cell according to the first parameter of each of the M first cells, wherein any one of the M first cells is different from the second cell;

the first cell and the second cell belong to cells available for the first communication device to communicate with a second communication device.

In one possible design, the processor is further configured to determine the M first cells from N cells before obtaining the first parameter of each of the M first cells, where N is an integer greater than M, and the N cells are cells available for the first communication device to communicate with the second communication device.

In one possible design, the communications apparatus further includes:

a receiver, configured to receive, by the receiver, first information sent by the second communication device before the processor determines the M first cells from the N cells, where the first information is used to indicate the M first cells;

the processor is specifically configured to: determining the M first cells from the N cells according to the first information.

In one possible design, the processor is specifically configured to: determining the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells; or, randomly determining at least one cell from the N cells as the M first cells.

In one possible design, the processor is specifically configured to: determining K cells which are activated currently from the N cells, wherein K is an integer which is more than or equal to M and less than or equal to N; and determining the M first cells from the K cells.

In one possible design, the processor is specifically configured to: determining the cells with the frequency points closest to the frequency point of the second cell from the K cells as the M first cells; or, randomly determining at least one cell from the K cells as the M first cells.

In one possible design, the processor is specifically configured to: determining a physical uplink control channel group related to the second cell from the N cells; and determining the M first cells from J cells in the physical uplink control channel group, wherein J is an integer which is greater than or equal to M and less than or equal to N.

In one possible design, the processor is specifically configured to: determining the cells with the frequency points closest to the frequency point of the second cell from the J cells as the M first cells; or, randomly determining at least one cell from the J cells as the M first cells.

In one possible design, the communications apparatus further includes: a transmitter;

the transmitter is configured to send second information to the second communication apparatus after the processor randomly determines at least one cell as the M first cells, where the second information is used to indicate the M first cells determined by the first communication apparatus.

In one possible design, the processor is specifically configured to: and determining the first parameters of the second cell according to the first parameters of the M first cells and the first functional relation.

In one possible design, the processor is specifically configured to: determining a maximum value of the first parameters of the M first cells as a first parameter of the second cell; or, determining that the minimum value of the first parameters of the M first cells is the first parameter of the second cell; or, determining an average value of the first parameters of the M first cells as the first parameter of the second cell; or, determining a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

In one possible design, the first parameter is a path loss estimate.

In one possible design, the second cell is a SUL cell.

In a fifth aspect, an embodiment of the present application provides a communication apparatus, as a second communication apparatus, including: a memory, a processor, and a transmitter;

the memory to store instructions;

the processor, when invoked by the instructions in the memory, is configured to determine M first cells from among N cells, where M is an integer greater than or equal to 1, N is an integer greater than M, and the N cells are cells available for the second communication device to communicate with the first communication device;

the transmitter is configured to transmit first information to the first communication apparatus, where the first information is used to indicate the M first cells, and first parameters of the M first cells are used by the first communication apparatus to determine first parameters of a second cell; wherein any one of the M first cells is different from the second cell, which is one of the N cells.

In a sixth aspect, an embodiment of the present application provides a communication apparatus, as a second communication apparatus, including: a memory, a processor, and a receiver;

the memory to store instructions;

when the instruction in the memory is invoked, the receiver is configured to receive second information sent by a first communication apparatus, where the second information is used to indicate M first cells, first parameters of the M first cells are used for the first communication apparatus to determine first parameters of a second cell, and M is an integer greater than or equal to 1;

the processor is configured to determine the M first cells from N cells according to the second information, where N is an integer greater than M;

In a seventh aspect, an embodiment of the present application provides a chip, including: a memory and a processor;

the memory to store program instructions;

the processor is configured to call the program instructions stored in the memory to implement the communication method according to the first aspect.

In an eighth aspect, an embodiment of the present application provides a chip, including: a memory and a processor;

the memory to store program instructions;

the processor is configured to call the program instructions stored in the memory to implement the communication method according to the embodiment of the second aspect.

In a ninth aspect, an embodiment of the present application provides a chip, including: a memory and a processor;

the memory to store program instructions;

the processor is configured to call the program instructions stored in the memory to implement the communication method according to the third aspect.

In a tenth aspect, an embodiment of the present application provides a storage medium, including: a readable storage medium and a computer program for implementing the communication method according to the embodiments of the present application in the first aspect.

In an eleventh aspect, an embodiment of the present application provides a storage medium, including: a readable storage medium and a computer program for implementing the communication method according to the embodiment of the present application as the second aspect.

In a twelfth aspect, an embodiment of the present application provides a storage medium, including: a readable storage medium and a computer program for implementing the communication method according to the embodiment of the present application in the third aspect.

According to the communication method and the communication device provided by the embodiment of the application, the first communication device is used for obtaining the first parameter of each of the M first cells, and then the first parameter of the second cell is determined according to the first parameter of each of the M first cells, wherein any one of the M first cells is different from the second cell; and the first cell and the second cell belong to cells available for the first communication device to communicate with the second communication device. Therefore, even if the first parameter of the second cell cannot be obtained according to the related information of the second cell, the first parameter can be obtained according to the first parameters of other cells, so that the success rate and the quality of the communication between the first communication device and the second communication device through the second cell can be improved according to the first parameter of the second cell.

Drawings

Fig. 1 is a schematic architecture diagram of a communication system applied in an embodiment of the present application;

fig. 2 is a flowchart of a communication method according to an embodiment of the present application;

fig. 3 is a flowchart of a communication method according to another embodiment of the present application;

fig. 4 is a flowchart of a communication method according to another embodiment of the present application;

fig. 5 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a communication device according to another embodiment of the present application;

fig. 7 is a schematic structural diagram of a chip according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a communication device according to another embodiment of the present application;

fig. 9 is a schematic structural diagram of a communication device according to another embodiment of the present application;

fig. 10 is a schematic structural diagram of a chip according to another embodiment of the present application;

fig. 11 is a schematic structural diagram of a communication device according to another embodiment of the present application;

fig. 12 is a schematic structural diagram of a communication device according to another embodiment of the present application;

fig. 13 is a schematic structural diagram of a chip according to another embodiment of the present application.

Detailed Description

Fig. 1 is a schematic architecture diagram of a communication system applied in an embodiment of the present application. As shown in fig. 1, the communication system includes a network device, for example, a radio access network device, and at least one terminal device. The terminal equipment is connected with the wireless access network equipment in a wireless mode, and the wireless access network equipment is connected with the core network equipment in a wireless or wired mode. The core network device and the radio access network device may be separate physical devices, or the function of the core network device and the logical function of the radio access network device may be integrated on the same physical device, or a physical device may be integrated with a part of the function of the core network device and a part of the function of the radio access network device. The terminal equipment may be fixed or mobile. Fig. 1 is a schematic diagram, and other network devices, such as a wireless relay device and a wireless backhaul device, may also be included in the communication system, which are not shown in fig. 1. The embodiments of the present application do not limit the number of core network devices, radio access network devices, and terminal devices included in the communication system.

The radio access network device is a network device in which the terminal device is wirelessly accessed to the communication system, and may be a base station NodeB, an evolved node b, a base station in a 5G communication system, a base station in a future communication system, or an access node in a WiFi system, and the like.

The Terminal device may also be referred to as a Terminal (Terminal), a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), and the like. The terminal device may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal, an Augmented Reality (AR) terminal, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote surgery (remote medical supply), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and the like.

The wireless access network equipment and the terminal equipment can be deployed on land, including indoors or outdoors, and are handheld or vehicle-mounted; can also be deployed on the water surface; it may also be deployed on airborne airplanes, balloons and satellite vehicles. The embodiment of the application does not limit the application scenarios of the wireless access network device and the terminal device.

The embodiments of the present application may be applicable to downlink signal transmission, may also be applicable to uplink signal transmission, and may also be applicable to device-to-device (D2D) signal transmission. For downlink signal transmission, the sending device is a radio access network device, and the corresponding receiving device is a terminal device. For uplink signal transmission, the transmitting device is a terminal device, and the corresponding receiving device is a radio access network device. For D2D signaling, the sending device is a terminal device and the corresponding receiving device is also a terminal device. The embodiment of the present application does not limit the transmission direction of the signal.

The radio access network device and the terminal device, and the terminal device may communicate via a licensed spectrum (licensed spectrum), may communicate via an unlicensed spectrum (unlicensed spectrum), and may communicate via both the licensed spectrum and the unlicensed spectrum. The radio access network device and the terminal device may communicate with each other through a frequency spectrum of less than 6 gigahertz (GHz), may communicate through a frequency spectrum of more than 6GHz, and may communicate by using both a frequency spectrum of less than 6GHz and a frequency spectrum of more than 6 GHz. The embodiments of the present application do not limit the spectrum resources used between the radio access network device and the terminal device.

The first communication device according to the embodiment of the present application may be, for example, a terminal device, and the second communication device may be, for example, a network device, but the embodiment of the present application is not limited thereto. The following describes embodiments of the present application by taking this as an example.

Fig. 2 is a flowchart of a communication method according to an embodiment of the present application, and as shown in fig. 2, in this embodiment, a first communication device is taken as a terminal device, and a second communication device is taken as a network device, and the method of this embodiment may include:

s201, the terminal device obtains a first parameter of each first cell in the M first cells.

In this embodiment, the terminal device obtains a first parameter of each of M first cells, where M is an integer greater than or equal to 1, and each of the M first cells belongs to a cell that can be used for the terminal device to communicate with the network device. The cells which can be used for the terminal device to communicate with the network device may include a main cell and a cell configured for the terminal device by the network device; the M first cells may belong to a cell configured by the network device to the terminal device, or the M first cells include the primary cell and at least one cell configured by the network device to the terminal device.

Any cell available for the terminal device to communicate with the network device may have both one downlink carrier and one uplink carrier, or only one downlink carrier, or only one uplink carrier.

S202, the terminal device determines a first parameter of a second cell according to the first parameter of each of the M first cells, where any one of the M first cells is different from the second cell.

In this embodiment, after determining the first parameter of each of the M first cells, the terminal device determines the first parameter of the second cell according to the first parameter of each of the M first cells. The second cell is a cell different from any one of the M first cells, and also belongs to a cell available for the terminal device to communicate with the network device. For example: the cells that can be used for the communication between the terminal device and the network device are 5 different cells, which are cell 1, cell 2, cell 3, cell 4, and cell 5, respectively, and if the M first cells are cell 1, cell 2, and cell 3, respectively, the second cell is, for example, cell 4 or cell 5.

In this embodiment, a terminal device obtains a first parameter of each of M first cells, and then determines a first parameter of a second cell according to the first parameter of each of the M first cells, where any one of the M first cells is different from the second cell; and the first cell and the second cell belong to cells available for the terminal device to communicate with the same network device. Therefore, even if the first parameter of the second cell cannot be obtained according to the related information of the second cell, the first parameter can be obtained according to the first parameters of other cells, so that the success rate and the quality of communication between the terminal equipment and the network equipment through the second cell can be improved according to the first parameter of the second cell.

In some embodiments, the implementation manner of S202 is: and the first communication device determines the first parameter of the second cell according to the first parameters of the M first cells and the first functional relation.

The first functional relationship may be preset, and may be specified in a communication standard protocol, for example. Alternatively, the first functional relationship may be configured from the network device to the terminal device, for example: and the network equipment sends a first instruction to the terminal equipment, wherein the first instruction is used for indicating that the function relation adopted for obtaining the first parameter of the second cell is the first function relation.

How to determine the first parameter of the second cell according to the first functional relationship may include the following various embodiments.

In one embodiment, the terminal device determines that the maximum value of the first parameters of the M first cells is the first parameter of the second cell.

In another embodiment, the terminal device determines that the minimum value of the first parameters of the M first cells is the first parameter of the second cell.

In another embodiment, the terminal device determines that an average value of the first parameters of the M first cells is the first parameter of the second cell.

In another embodiment, the terminal device determines a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

In some embodiments, the first parameter is a path loss estimation value, which should be noted that the embodiments of the present application are not limited thereto. Therefore, in this embodiment, the path loss value of the second cell is determined according to the path loss estimated values of the M first cells, so that even if the path loss estimated value of the second cell cannot be determined according to the related information of the second cell, the path loss estimated value of the second cell can be accurately determined, so as to determine the transmission power according to the path loss estimated value of the second cell, which can ensure that an uplink signal sent by the terminal device to the network device through the second cell can be successfully received by the network device, and improve the success rate and quality of communication between the terminal device and the network device through the cell. In some embodiments, one way to determine the path loss estimate for the second cell based on the path loss estimates for the M first cells is to: and compensating the path loss estimated value of each first cell in the M first cells, and determining the path loss estimated value of the second cell according to the compensated path loss estimated value of each first cell in the M first cells. The path loss estimation value of each first cell may be compensated according to the frequency point of each first cell and the frequency point of the second cell in the M first cells.

For example, the frequency point of the second cell is in a 1.8GHz band, the M first cells include two first cells, the frequency point of one first cell is in a 3.5GHz band, and the estimated value of the path loss of the first cell is PL 1; the other first cell has a frequency in the 800MHz band and has an estimate of the path loss PL 2. And then compensating the path loss estimated values of the two first cells according to a first table and the frequency points of each cell, wherein the first table is determined in advance, and the first table is a path loss difference between each frequency band and a reference frequency band which is obtained by taking a 3.5GHz frequency band as the reference frequency band.

Watch 1

	3.5GHz (Standard)	1.8GHz	800MHz
				Path loss difference (dB)	0	-10.8	-20.8

From the above table one, it can be seen that the compensation process for the estimated pathloss value PL1 of the first cell at 3.5GHz reduces PL1 by 10.8 dB; the compensation process for the estimated pathloss PL2 for the 800MHz first cell is to increase PL2 by 10 dB.

In some embodiments, the second cell is a SUL cell. The SUL cell is composed of uplink carriers and has no corresponding downlink carrier, so the path loss estimation value of the SUL cell cannot be estimated through the SUL cell, and therefore, the path loss estimation value of the SUL cell can be determined according to the path loss estimation values of other cells (i.e., M first cells), thereby avoiding the problem that the path loss estimation value cannot be accurately determined by the SUL cell in the prior art. Optionally, each of the M first cells includes a downlink carrier, so that each first cell determines a high-precision path loss estimation value by using the received power of the reference signal of the downlink carrier of the cell, thereby ensuring the accuracy of the path loss estimation values of the M first cells.

In some embodiments, before the terminal device obtains the first parameter of each of the M first cells, the M first cells are further determined from N cells, where the N cells are cells available for the terminal device to communicate with the network device, and N is an integer greater than M. That is, the present embodiment determines M first cells from all cells (including the primary cell and the cell configured by the network device for the terminal device) available for the terminal device to communicate with the network device.

Fig. 3 is a flowchart of a communication method according to another embodiment of the present application, and as shown in fig. 3, a terminal device of this embodiment determines M first cells according to an instruction of a network device, where the method of this embodiment may include:

s301, the network equipment determines M first cells from the N cells.

In this embodiment, the network device may obtain cells that can be used for the network device to communicate with the terminal device, where the cells are referred to as N cells, where N is an integer greater than 1, and then determine M first cells from the N cells, where M is an integer greater than or equal to 1, and N is greater than M. The M first cells belong to the N cells and also to cells available for the network device to communicate with the terminal device.

For the implementation manner of determining M first cells from N cells by the network device, reference may be made to a specific implementation process of determining M first cells from N cells by the terminal device in each of the following examples, which is not described herein again.

S302, the network equipment sends first information to the terminal equipment.

After determining M first cells from the N cells, the network device sends, to the terminal device, first information, where the first information is used to indicate the M first cells, for example, to indicate the terminal device to determine a first parameter of a second cell according to the first parameter of each of the M first cells, where the second cell is different from any one of the M first cells, and the second cell is one of the N cells. Accordingly, the terminal device receives the first information sent by the network device.

S303, the terminal equipment determines the M first cells from the N cells according to the first information.

In this embodiment, after receiving the first information, the terminal device determines the M first cells from the N cells according to the first information. For example: the first information includes an identifier of each of the M first cells, and the terminal device determines the M first cells from the N cells according to the identifier of each of the M first cells included in the first information.

S304, the terminal equipment determines the first parameter of the second cell according to the first parameter of each first cell in the M first cells.

In this embodiment, a specific implementation process of S304 may refer to related descriptions in the embodiment shown in fig. 2, and details are not described here.

In this embodiment, the M first cells used for determining the first parameter of the second cell are indicated to the terminal device through the first information sent by the network device, and the first parameter of the second cell is determined through the first parameters of the M first cells, so that the robustness of the first parameter of the second cell can be improved.

Fig. 4 is a flowchart of a communication method according to another embodiment of the present application, and as shown in fig. 4, a terminal device according to this embodiment determines M first cells according to a preset rule instead of determining M first cells according to an instruction of a network device, where the method according to this embodiment may include:

s401, the terminal equipment determines M first cells from the N cells.

In this embodiment, N cells are cells that can be used for communication between the terminal device and the network device, M is an integer greater than or equal to 1, and N is an integer greater than M. The embodiment may determine M first cells from all cells (i.e., the above N cells) that may be used for the terminal device to communicate with the network device, and specific implementation schemes may be as follows, but the embodiment is not limited to the following.

In a first possible implementation scheme, the terminal device determines, from the N cells, a cell having a frequency closest to a frequency of the second cell as the M first cells. The second cell is one of the N cells, but the second cell is different from any one of the M first cells, and the terminal device can acquire the frequency point of each of the N cells, then compares the frequency point of the second cell with the frequency points of other cells, and determines the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells. Taking the second cell as the SUL cell as an example, the working frequency points of the downlink carriers of the M second cells are closest to the working frequency points of the uplink carriers of the second cell. Optionally, the network device may also know the frequency point of each cell in the N cells, so that the network device may determine which cells the M first cells closest to the frequency point of the second cell are determined by the terminal device.

If the frequency point of the second cell is 1000MHz, the frequency points of other cells are 800MHz, 1200MHz, 1800MHz, and both 800MHz and 1200MHz are closest to 1000MHz, the cell corresponding to 800MHz and the cell corresponding to 1200MHz may be determined as M first cells, the cell from which the frequency point closest to and greater than or equal to 1000MHz is selected as M first cells according to the preset specification, or the cell from which the frequency point closest to and less than or equal to 1000MHz is selected as M first cells according to the preset specification.

In a second possible implementation, the terminal device randomly determines at least one cell from the N cells as M first cells. In this embodiment, the terminal device randomly determines at least one cell as M first cells from N cells and excludes the second cell, for example, the terminal may randomly select one cell as one first cell from the N cells; or randomly selecting two cells as two second cells; or, all the cells except the second cell in the N cells are randomly selected as M first cells, where M is equal to N-1. Optionally, if the M first cells are randomly determined by the terminal device, the terminal device needs to notify the network device of the M first cells, which may specifically refer to S402 and S403.

In a third possible implementation scheme, the terminal device determines K cells that are currently activated from among N cells, where K is an integer greater than or equal to M and less than or equal to N. The K cells that are currently activated may be all of the N cells, or may be some of the N cells. The currently activated cell represents a cell currently used by the terminal device to communicate with the network device. And then the terminal equipment determines the M first cells from the K cells, and in a possible implementation manner, the terminal equipment determines the cell with the frequency point closest to the frequency point of the second cell from the K cells as the M first cells, which means that the M first cells are the currently activated cells with the frequency point closest to the frequency point of the second cell. In another possible implementation manner, the terminal device randomly determines at least one cell from the K cells as the M first cells. Optionally, the M first cells may be the K cells, and at this time, any one of the K cells may be considered to be different from the second cell. Optionally, if the M first cells are randomly determined by the terminal device, the terminal device needs to notify the network device of the M first cells, which may specifically refer to S402 and S403.

In a fourth possible implementation scheme, the terminal device determines a physical uplink control channel group associated with the second cell from the N cells; the physical uplink control channel group may include J cells, where J is an integer greater than or equal to M and less than or equal to N. J cells in the physical uplink control channel group may be all of the N cells, or may be some of the N cells. And then the terminal equipment determines the M first cells from the J cells in the physical uplink control channel group. In a possible implementation manner, the terminal device determines, from the J cells, that the cell having the frequency point closest to the frequency point of the second cell is the M first cells, which means that the M first cells are the cells belonging to the physical uplink control channel group and having the frequency point closest to the frequency point of the second cell. In another possible implementation manner, the terminal device randomly determines at least one cell from the J cells as the M first cells. Optionally, the M first cells may be the J cells, and in this case, any one of the J cells may be considered to be different from the second cell. Optionally, if the M first cells are randomly determined by the terminal device, the terminal device needs to notify the network device of the M first cells, which may specifically refer to S402 and S403.

The following describes a physical uplink control channel group associated with the second cell.

Hybrid Automatic Repeat reQuest (HARQ) is a technology formed by combining Forward Error Correction (FEC) coding and Automatic Repeat reQuest (ARQ).

FEC adds redundant information to enable the receiving end to correct a portion of errors, thereby reducing the number of retransmissions. For the error that the FEC cannot correct, the receiving end requests the transmitting end to retransmit the data through an ARQ mechanism. The receiving end uses an error detection code, typically a CRC check, to detect whether the received data packet is erroneous. If there is no error, the receiving end will send a positive Acknowledgement (ACK) to the sending end, and after the sending end receives the ACK, the sending end will send the next data packet.

The aforementioned ARQ mechanism employs a method of discarding packets and requesting retransmission. Although these packets cannot be decoded correctly, they contain useful information that, if discarded, is lost. By using HARQ with soft combining (HARQ with soft combining), the received error packet is stored in a HARQ buffer and combined with the subsequently received retransmission packet, so as to obtain a more reliable packet than decoding alone ("soft combining" process). And then decoding the combined data packet, and repeating the process of requesting retransmission and then performing soft combination if the combined data packet still fails.

HARQ with soft combining is classified into soft combining (chase combining) and incremental redundancy (incremental redundancy) according to whether bit information of retransmission is the same as that of original transmission. The retransmitted bit information in chase combining is the same as the original transmission; the retransmitted bit information in the elementary redundancy does not need to be the same as the original transmission.

In the case of Carrier Aggregation (CA), ACK/NACK corresponding to downlink data of multiple cells is fed back on the same uplink carrier. And the cells which feed back the ACK/NACK on the same uplink carrier form a physical uplink control channel group (PUCCH group).

Wherein, the physical uplink control channel group related to the second cell refers to: and if the second cell feeds back the ACK/NACK on the uplink carrier wave, determining the cell which feeds back the ACK/NACK on the same uplink carrier wave as the second cell as the physical uplink control channel group, wherein the second cell also belongs to the physical uplink control channel group. Or, if the second cell does not use the uplink carrier to feed back the ACK/NACK, the cell that feeds back the ACK/NACK on the uplink carrier of the second cell may be determined as the physical uplink control channel group, where the second cell does not belong to the physical uplink control channel group.

Optionally, in some embodiments, this embodiment may further include S402-S403.

S402, the terminal device sends second information to the network device.

In this embodiment, if the terminal device randomly determines at least one cell from N cells as the M first cells, or the terminal device randomly determines at least one cell from K cells that are currently activated as the M first cells, or the terminal device randomly determines at least one cell from a physical uplink control channel group associated with a second cell as the M first cells, the terminal device sends the second information to the network device. The second information is used to indicate the M first cells, for example, to indicate that the terminal device determines the first parameter of the second cell according to the first parameter of each of the M first cells. Accordingly, the network device receives the second information sent by the terminal device. The second Information may be, for example, Radio Resource Control (RRC) signaling, Media Access Control (MAC) Control Element (CE), or Uplink Control Information (UCI).

S403, the network device determines the M first cells from the N cells according to the second information.

In this embodiment, after receiving the second information, the network device determines the M first cells from the N cells according to the second information. For example: the second information includes an identifier of each of the M first cells, and the network device determines the M first cells from the N cells according to the identifier of each of the M first cells included in the second information. Accordingly, the network device can know which cells the terminal device determines the first parameters of the second cell according to the first parameters of the second cell.

S404, the terminal device obtains a first parameter of each first cell in the M first cells.

S405, the terminal device determines a first parameter of a second cell according to the first parameter of each first cell in the M first cells.

In this embodiment, the specific implementation processes of S404 and S405 may refer to the related description in the embodiment shown in fig. 2, and are not described herein again.

In this embodiment, the terminal device autonomously determines the M first cells according to the preset rules without an instruction from the network device, so that signaling overhead is reduced in the process of determining the M first cells in this embodiment, and when the terminal device determines the first parameters of the second cell according to the first parameters of the plurality of first cells, the robustness of the first parameters is also improved.

It is understood that, in the above embodiments, the method or the step implemented by the terminal device may also be implemented by a chip inside the terminal device. The method or steps implemented by the network device may also be implemented by a chip inside the network device.

Fig. 5 is a schematic structural diagram of a communication device according to an embodiment of the present application, and as shown in fig. 5, the communication device according to the present embodiment may include, as a first communication device: an acquisition module 501 and a determination module 502.

An obtaining module 501, configured to obtain a first parameter of each of M first cells, where M is an integer greater than or equal to 1.

A determining module 502, configured to determine a first parameter of a second cell according to a first parameter of each of the M first cells, where any one of the M first cells is different from the second cell.

In some embodiments, the determining module 502 is further configured to determine the M first cells from N cells before the obtaining module 501 obtains the first parameter of each of the M first cells, where N is an integer greater than M, and the N cells are cells available for the first communication device to communicate with the second communication device.

In some embodiments, the communication apparatus of the present embodiment further includes a receiving module 503;

a receiving module 503, configured to receive first information sent by the second communication apparatus before the determining module 502 determines the M first cells from the N cells, where the first information is used to indicate the M first cells;

the determining module 502 is specifically configured to: determining the M first cells from the N cells according to the first information.

In some embodiments, the determining module 502 is specifically configured to: determining the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells; or, randomly determining at least one cell from the N cells as the M first cells.

In some embodiments, the determining module 502 is specifically configured to: determining K cells which are activated currently from the N cells, wherein K is an integer which is more than or equal to M and less than or equal to N; and determining the M first cells from the K cells.

In some embodiments, the determining module 502 is specifically configured to: determining the cells with the frequency points closest to the frequency point of the second cell from the K cells as the M first cells; or, randomly determining at least one cell from the K cells as the M first cells.

In some embodiments, the determining module 502 is specifically configured to: determining a physical uplink control channel group related to the second cell from the N cells; and determining the M first cells from J cells in the physical uplink control channel group, wherein J is an integer which is greater than or equal to M and less than or equal to N.

In some embodiments, the determining module 502 is specifically configured to: determining the cells with the frequency points closest to the frequency point of the second cell from the J cells as the M first cells; or, randomly determining at least one cell from the J cells as the M first cells.

In some embodiments, the communication apparatus of the present embodiment further includes a sending module 504.

A sending module 504, configured to send second information to the second communication apparatus after the determining module 502 randomly determines at least one cell as the M first cells, where the second information is used to indicate the M first cells determined by the first communication apparatus.

In some embodiments, the determining module 502 is specifically configured to: and determining the first parameters of the second cell according to the first parameters of the M first cells and the first functional relation.

In some embodiments, the determining module 502 is specifically configured to: determining a maximum value of the first parameters of the M first cells as a first parameter of the second cell; or, determining that the minimum value of the first parameters of the M first cells is the first parameter of the second cell; or, determining an average value of the first parameters of the M first cells as the first parameter of the second cell; or, determining a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

In some embodiments, the first functional relationship is predetermined, or the first functional relationship is configured by the second communication device to the first communication device.

In some embodiments, the first parameter is a path loss estimate.

In some embodiments, the second cell is a SUL cell.

The communication apparatus described above in this embodiment may be configured to implement the technical solutions executed by the terminal device/the chip of the terminal device in the foregoing method embodiments, and the implementation principles and technical effects are similar, where the functions of each module may refer to corresponding descriptions in the method embodiments, and are not described herein again.

In a hardware implementation, the above obtaining module 501 and determining module 502 may be embedded in a hardware form or may be independent from a processor of a communication device. The above receiving module 503 may be a receiver, and the sending module 504 may be a transmitter. Alternatively, the receiver and transmitter may be integrated into a transceiver.

Fig. 6 is a schematic structural diagram of a communication device according to another embodiment of the present application, and as shown in fig. 6, the communication device according to this embodiment, as a first communication device, may include: a memory 511 and a processor 512. The processor 512 may include at least one of a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a Microcontroller (MCU), an Application Specific Integrated Circuit (ASIC), or a Field Programmable Gate Array (FPGA).

The memory 511 is used for storing program instructions.

A processor 512, configured to obtain a first parameter of each of M first cells when the program instruction is called, where M is an integer greater than or equal to 1; determining a first parameter of a second cell according to the first parameter of each of the M first cells, wherein any one of the M first cells is different from the second cell;

In some embodiments, the processor 512 is further configured to determine the M first cells from N cells before obtaining the first parameter of each of the M first cells, where N is an integer greater than M, and the N cells are cells available for the first communication device to communicate with the second communication device.

In some embodiments, the communication device of the present embodiment may further include a receiver 513.

A receiver 513, configured to receive first information sent by the second communication apparatus before the processor 512 determines the M first cells from the N cells, where the first information is used to indicate the M first cells;

the processor 512 is specifically configured to: determining the M first cells from the N cells according to the first information.

In some embodiments, the processor 512 is specifically configured to: determining the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells; or, randomly determining at least one cell from the N cells as the M first cells.

In some embodiments, the processor 512 is specifically configured to: determining K cells which are activated currently from the N cells, wherein K is an integer which is more than or equal to M and less than or equal to N; and determining the M first cells from the K cells.

In some embodiments, the processor 512 is specifically configured to: determining the cells with the frequency points closest to the frequency point of the second cell from the K cells as the M first cells; or, randomly determining at least one cell from the K cells as the M first cells.

In some embodiments, the processor 512 is specifically configured to: determining a physical uplink control channel group related to the second cell from the N cells; and determining the M first cells from J cells in the physical uplink control channel group, wherein J is an integer which is greater than or equal to M and less than or equal to N.

In some embodiments, the processor 512 is specifically configured to: determining the cells with the frequency points closest to the frequency point of the second cell from the J cells as the M first cells; or, randomly determining at least one cell from the J cells as the M first cells.

In some embodiments, the communication apparatus of the present embodiment may further include: a transmitter 514.

The transmitter 515 is configured to send, to the second communication apparatus, second information after the processor 512 randomly determines at least one cell as the M first cells, where the second information is used to indicate the M first cells determined by the first communication apparatus.

In some embodiments, the processor 512 is specifically configured to: and determining the first parameters of the second cell according to the first parameters of the M first cells and the first functional relation.

In some embodiments, the processor 512 is specifically configured to: determining a maximum value of the first parameters of the M first cells as a first parameter of the second cell; or, determining that the minimum value of the first parameters of the M first cells is the first parameter of the second cell; or, determining an average value of the first parameters of the M first cells as the first parameter of the second cell; or, determining a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

In some embodiments, the first parameter is a path loss estimate.

In some embodiments, the second cell is a SUL cell.

Alternatively, the receiver 513 and the transmitter 514 may be integrated into a transceiver, which may include necessary radio frequency communication devices such as mixers.

The program instructions may be implemented in the form of software functional units and may be sold or used as a stand-alone product, and the memory 511 may be any form of computer-readable storage medium. Based on such understanding, all or part of the technical solutions of the present application may be embodied in the form of a software product, which includes several instructions to enable a computer device, specifically, the processor 512, to execute all or part of the steps of the first device in the embodiments of the present application. And the aforementioned computer-readable storage media comprise: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The communication apparatus described above in this embodiment may be configured to implement the technical solutions executed by the terminal device/the chip of the terminal device in the above embodiments of the methods, and the implementation principles and technical effects are similar, where the functions of each device may refer to corresponding descriptions in the embodiments of the methods, and are not described herein again.

Fig. 7 is a schematic structural diagram of a chip according to an embodiment of the present application, and as shown in fig. 7, the chip according to the embodiment may be used as a chip of a first communication device, and the chip according to the embodiment may include: a memory 521 and a processor 522. The memory 521 is communicatively coupled to the processor 522.

In terms of hardware implementation, the above obtaining module 501, the determining module 502, or even the above receiving module 503 or the above sending module 504 may be embedded in the processor 522 of a chip or may be independent of the processor.

Wherein, the memory 521 is used for storing program instructions, and the processor 522 is used for calling the program instructions in the memory 421 to execute the above-mentioned scheme.

In some embodiments, the chip of the present embodiment may further include a communication interface. The processor 522 may receive the first information transmitted by the second communication device through the communication interface, or the processor 522 may transmit the second information to the second communication device through the communication interface.

The chip described above in this embodiment may be used to implement the technical solutions of the terminal device or its internal chip in the above method embodiments of the present application, and the implementation principles and technical effects are similar, where the functions of each module may refer to the corresponding descriptions in the method embodiments, and are not described herein again.

Fig. 8 is a schematic structural diagram of a communication device according to another embodiment of the present application, and as shown in fig. 8, the communication device according to this embodiment may include, as a second communication device: a determination module 601 and a sending module 602.

The determining module 601 is configured to determine M first cells from N cells, where M is an integer greater than or equal to 1, N is an integer greater than M, and the N cells are cells that can be used by the second communication apparatus to communicate with the first communication apparatus;

a sending module 602, configured to send first information to the first communication apparatus, where the first information is used to indicate the M first cells, and first parameters of the M first cells are used by the first communication apparatus to determine first parameters of a second cell; wherein any one of the M first cells is different from the second cell, which is one of the N cells.

The communication apparatus described above in this embodiment may be configured to implement the technical solutions executed by the chips of the network device/network device in the above method embodiments, and the implementation principles and technical effects are similar, where the functions of each device may refer to corresponding descriptions in the method embodiments, and are not described herein again.

In a hardware implementation, the above and determining module 601 may be embedded in a hardware form or may be independent from a processor of the communication device. The above sending module 602 may be a transmitter, which may be part of a transceiver, for example.

Fig. 9 is a schematic structural diagram of a communication device according to another embodiment of the present application, and as shown in fig. 9, the communication device according to this embodiment may include: a memory 611, a processor 612, and a transmitter 613. The processor 612 may include at least one of a CPU, DSP, MCU, ASIC, or FPGA.

The memory 611 is used for storing program instructions.

A processor 612, when the program instructions are invoked, configured to determine M first cells from N cells, where M is an integer greater than or equal to 1, N is an integer greater than M, and the N cells are cells available for the second communication apparatus to communicate with the first communication apparatus;

the transmitter 613 is configured to send first information to the first communication apparatus, where the first information is used to indicate the M first cells, and first parameters of the M first cells are used for the first communication apparatus to determine first parameters of a second cell; wherein any one of the M first cells is different from the second cell, which is one of the N cells.

Alternatively, the transmitter 613 may be part of a transceiver, which may include a mixer or the like necessary radio frequency communication devices.

The program instructions may be implemented in the form of software functional units and may be sold or used as a stand-alone product, and the memory 611 may be any form of computer-readable storage medium. Based on such understanding, all or part of the technical solutions of the present application may be embodied in the form of a software product, which includes several instructions to enable a computer device, specifically, the processor 612, to execute all or part of the steps of the first device in the embodiments of the present application. And the aforementioned computer-readable storage media comprise: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

Fig. 10 is a schematic structural diagram of a chip according to another embodiment of the present application, and as shown in fig. 10, the chip according to this embodiment may be used as a chip of a second communication device, and the chip according to this embodiment may include: a memory 621 and a processor 622. The memory 621 is communicatively coupled to the processor 622.

In a hardware implementation, the above determining module 601 and sending module 602 may be embedded in a hardware form or may be independent from the processor 622 of the chip.

The memory 621 is used for storing program instructions, and the processor 622 is used for calling the program instructions in the memory 621 to execute the above-mentioned scheme.

In some embodiments, the chip of the present embodiment may further include a communication interface. The processor 622 may send the first information to the first communication device through the communication interface.

The chip described above in this embodiment may be used to implement the technical solutions of the network device or its internal chip in the above method embodiments of the present application, and the implementation principles and technical effects are similar, where the functions of each module may refer to the corresponding descriptions in the method embodiments, and are not described herein again.

Fig. 11 is a schematic structural diagram of a communication device according to another embodiment of the present application, and as shown in fig. 11, the communication device according to this embodiment may include, as a second communication device: a receiving module 701 and a determining module 702.

A receiving module 701, configured to receive second information sent by a first communication apparatus, where the second information is used to indicate M first cells, and first parameters of the M first cells are used by the first communication apparatus to determine a first parameter of a second cell, where M is an integer greater than or equal to 1;

a determining module 702, configured to determine, according to the second information, the M first cells from N cells, where N is an integer greater than M;

In a hardware implementation, the above and determining module 702 may be embedded in hardware or may be independent of a processor of the communication device. The above receiving module 701 may be a receiver, which may be part of a transceiver, for example.

Fig. 12 is a schematic structural diagram of a communication device according to another embodiment of the present application, and as shown in fig. 12, the communication device according to this embodiment may include, as a second communication device: a memory 711, a processor 712, and a receiver 713. The processor 712 may comprise at least one of a CPU, DSP, MCU, ASIC, or FPGA.

The memory 711 is used for storing program instructions.

When the instruction in the memory 711 is called, the receiver 713 is configured to receive second information sent by a first communication apparatus, where the second information is used to indicate M first cells, and first parameters of the M first cells are used for the first communication apparatus to determine first parameters of a second cell, where M is an integer greater than or equal to 1;

the processor 712 is configured to determine the M first cells from N cells according to the second information, where N is an integer greater than M;

Alternatively, the receiver 713 may be part of a transceiver, which may include necessary radio frequency communication devices such as mixers.

The program instructions may be implemented in the form of software functional units and may be sold or used as a stand-alone product, and the memory 711 may be any form of computer-readable storage medium. Based on such understanding, all or part of the technical solutions of the present application may be embodied in the form of a software product, which includes several instructions to enable a computer device, specifically, the processor 712, to execute all or part of the steps of the first device in the embodiments of the present application. And the aforementioned computer-readable storage media comprise: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

Fig. 13 is a schematic structural diagram of a chip according to another embodiment of the present application, and as shown in fig. 13, the chip according to this embodiment may be used as a chip of a second communication device, and the chip according to this embodiment may include: a memory 721, and a processor 722. The memory 721 is communicatively coupled to the processor 722.

In a hardware implementation, the above receiving module 701 and determining module 702 may be embedded in a hardware form or embedded in a processor 722 independent from a chip.

Wherein the memory 721 is used for storing program instructions, and the processor 722 is used for calling the program instructions in the memory 721 to execute the above-mentioned scheme.

In some embodiments, the chip of the present embodiment may further include a communication interface. The processor 722 may receive the second information transmitted by the first communication device through the communication interface.

It should be noted that, in the embodiment of the present application, the division of the module is schematic, and is only one logic function division, and there may be another division manner in actual implementation. Each functional module in the embodiments of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.

The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may 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 loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, 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, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

Claims

1. A communication method, applied in NR, the method comprising:

a first communication device acquires a first parameter of each of M first cells, wherein M is an integer greater than 1;

the first communication device determines a first parameter of a second cell according to a first parameter of each of the M first cells, wherein any one of the M first cells is different from the second cell; the first parameter is a path loss estimated value; the second cell is a compensated uplink SUL cell;

the first cell and the second cell belong to cells available for the first communication device to communicate with a second communication device;

the first communication device determining the first parameter of the second cell according to the first parameters of the M first cells, including:

the first communication device determines a first parameter of the second cell according to the first parameters of the M first cells and the first functional relation;

the first communication device determining the first parameter of the second cell according to the first parameters of the M first cells and the first functional relationship, including:

the first communication device determines a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

2. The method of claim 1, wherein before the first communication device obtains the first parameter of each of the M first cells, further comprising:

the first communication device determines the M first cells from N cells, where N is an integer greater than M, and the N cells are cells available for the first communication device to communicate with the second communication device.

3. The method of claim 2, wherein prior to determining the M first cells from the N cells by the first communications device, further comprising:

the first communication device receives first information sent by the second communication device, wherein the first information is used for indicating the M first cells;

the first communications device determining the M first cells from among N cells, comprising:

the first communication device determines the M first cells from the N cells according to the first information.

4. The method of claim 2, wherein the first communications device determines the M first cells from N cells, comprising:

the first communication device determines the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells; or,

the first communication device randomly determines at least one cell from the N cells as the M first cells.

5. The method of claim 2, wherein the first communications device determines the M first cells from N cells, comprising:

the first communication device determines K cells which are activated currently from the N cells, wherein K is an integer which is greater than or equal to M and less than or equal to N;

the first communication device determines the M first cells from the K cells.

6. The method of claim 5, wherein the first communications device determines the M first cells from the K cells, comprising:

the first communication device determines the cell with the frequency point closest to the frequency point of the second cell from the K cells as the M first cells; or,

the first communication device randomly determines at least one cell from the K cells as the M first cells.

7. The method of claim 2, wherein the first communications device determines the M first cells from N cells, comprising:

the first communication device determines a physical uplink control channel group related to the second cell from the N cells;

the first communication device determines the M first cells from J cells in the physical uplink control channel group, where J is an integer greater than or equal to M and less than or equal to N.

8. The method of claim 7, wherein the first communications device determining the M first cells from J cells in the physical uplink control channel group comprises:

the first communication device determines the cell with the frequency point closest to the frequency point of the second cell from the J cells as the M first cells; or,

the first communication device randomly determines at least one cell from the J cells as the M first cells.

9. The method of claim 4, 6 or 8, wherein after the first communications device randomly determines at least one cell as the M first cells, further comprising:

the first communication device sends second information to the second communication device, wherein the second information is used for indicating the M first cells determined by the first communication device.

10. The method of claim 1, wherein the first communications device determines the first parameter of the second cell according to the first parameters of the M first cells and a first functional relationship, further comprising:

the first communication device determining that a maximum value of the first parameters of the M first cells is a first parameter of the second cell; or,

the first communication device determining that the minimum value of the first parameters of the M first cells is the first parameter of the second cell; or,

the first communication device determines an average of the first parameters of the M first cells as the first parameter of the second cell.

11. The method of claim 1, wherein the first functional relationship is predetermined or the first functional relationship is configured for the first communication device by the second communication device.

12. A communication method, applied in NR, the method comprising:

the second communication device determines M first cells from N cells, wherein M is an integer larger than M, N is an integer larger than M, and the N cells are cells which can be used for the second communication device to communicate with the first communication device;

the second communication device sends first information to the first communication device, wherein the first information is used for indicating the M first cells, and first parameters of the M first cells are used for determining first parameters of a second cell by the first communication device according to a first function; wherein any one of the M first cells is different from the second cell, which is one of the N cells; the first parameter is a path loss estimated value; the second cell is a compensated uplink SUL cell;

the first parameters of the M first cells are used by the first communications device to determine first parameters of a second cell according to a first function, including:

13. A communication method, applied in NR, the method comprising:

a second communication device receives second information sent by a first communication device, wherein the second information is used for indicating M first cells, first parameters of the M first cells are used for determining first parameters of a second cell by the first communication device according to a first function, and M is an integer greater than 1; the first parameter is a path loss estimated value; the second cell is a compensated uplink SUL cell;

the second communication device determines the M first cells from N cells according to the second information, wherein N is an integer larger than M;

the N cells are cells available for the second communication device to communicate with a first communication device, any one of the M first cells is different from the second cell, and the second cell is one of the N cells;

14. A communication apparatus, characterized by comprising, as a first communication apparatus: a memory and a processor;

the memory to store instructions;

the processor, when the instruction in the memory is called, is configured to obtain a first parameter of each of M first cells, where M is an integer greater than 1; determining a first parameter of a second cell according to the first parameter of each of the M first cells, wherein any one of the M first cells is different from the second cell; the first parameter is a path loss estimated value; the second cell is a compensated uplink SUL cell;

the processor is specifically configured to: determining a first parameter of the second cell according to the first parameters of the M first cells and a first functional relation;

the processor is specifically configured to: determining a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

15. The apparatus of claim 14, wherein the processor is further configured to determine the M first cells from N cells before obtaining the first parameter of each of the M first cells, wherein N is an integer greater than M, and wherein the N cells are cells available for the first communication apparatus to communicate with the second communication apparatus.

16. The apparatus of claim 15, further comprising:

17. The apparatus of claim 15, wherein the processor is specifically configured to: determining the cell with the frequency point closest to the frequency point of the second cell from the N cells as the M first cells; or, randomly determining at least one cell from the N cells as the M first cells.

18. The apparatus of claim 15, wherein the processor is specifically configured to: determining K cells which are activated currently from the N cells, wherein K is an integer which is more than or equal to M and less than or equal to N;

determining the cells with the frequency points closest to the frequency point of the second cell from the K cells as the M first cells; or, randomly determining at least one cell from the K cells as the M first cells.

19. The apparatus of claim 15, wherein the processor is specifically configured to: determining a physical uplink control channel group related to the second cell from the N cells;

determining a cell with a frequency point closest to the frequency point of the second cell from J cells in the physical uplink control channel group as the M first cells; or randomly determining at least one cell from the J cells as the M first cells; j is an integer which is greater than or equal to M and less than or equal to N.

20. The apparatus of any one of claims 17-19, further comprising: a transmitter;

21. The apparatus according to any of claims 14-19, wherein the processor is specifically configured to:

the first functional relationship is preset, or the first functional relationship is configured to the first communication device by the second communication device.

22. The apparatus of claim 21, wherein the processor is further specifically configured to: determining a maximum value of the first parameters of the M first cells as a first parameter of the second cell; or, determining that the minimum value of the first parameters of the M first cells is the first parameter of the second cell; or, determining that an average value of the first parameters of the M first cells is the first parameter of the second cell.

23. A communication apparatus characterized by comprising, as a second communication apparatus: a memory, a processor, and a transmitter;

the memory to store instructions;

the processor, when invoked by the instructions in the memory, is configured to determine M first cells from among N cells, M being an integer greater than 1, N being an integer greater than M, the N cells being cells available for the second communication device to communicate with the first communication device;

the transmitter is configured to transmit first information to the first communication apparatus, where the first information is used to indicate the M first cells, and first parameters of the M first cells are used by the first communication apparatus to determine first parameters of a second cell according to a first function; wherein any one of the M first cells is different from the second cell, the second cell is one of the N cells, and the first parameter is a pathloss estimate; the second cell is a compensated uplink SUL cell;

the transmitter is further configured to determine, by the first communications device, a weighted average of the first parameters of the M first cells as the first parameter of the second cell.

24. A communication apparatus characterized by comprising, as a second communication apparatus: a memory, a processor, and a receiver;

the memory to store instructions;

when the instruction in the memory is called, the receiver is configured to receive second information sent by a first communication apparatus, where the second information is used to indicate M first cells, and first parameters of the M first cells are used by the first communication apparatus to determine a first parameter of a second cell according to a first function, where M is an integer greater than 1; the first parameter is a path loss estimated value; the second cell is a compensated uplink SUL cell;

the receiver is further configured to use the first parameters of the M first cells for the first communication device to determine the first parameters of the second cell according to a first function.

25. A chip, comprising: a memory and a processor;

the memory to store program instructions;

the processor for invoking the program instructions stored in the memory to implement the communication method of any of claims 1 to 13.

26. A storage medium, comprising: readable storage medium and computer program for implementing a communication method according to any one of claims 1 to 13.