Communication method and communication apparatus

Abstract

The present application provides a communication method and a communication apparatus, which are applied to the technical field of communications. The communication method comprises: a network-side apparatus sending first information and second information to a terminal-side apparatus, wherein the first information is used for indicating frequency domain performance of a first frequency domain resource and frequency domain performance of a second frequency domain resource, the second information indicates a third frequency domain resource and a third MCS corresponding to the third frequency domain resource, and the third frequency domain resource comprises the first frequency domain resource and the second frequency domain resource; the terminal-side apparatus determining a first MCS on the basis of the first information and the third MCS; and the terminal-side apparatus performing data transmission with the network-side apparatus on the basis of the first frequency domain resource and the first MCS. The method helps improve system throughput.

Description

Communication methods and communication devices

[0001] This application claims priority to Chinese Patent Application No. 202411452190.0, filed on October 17, 2024, entitled "Communication Method and Communication Device", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of communication technology, and in particular to communication methods and communication devices. Background Technology

[0003] In the 5G (5th generation wireless communication system) new radio (NR) communication standard, the base station adjusts the modulation and coding scheme (MCS) for data transmission based on channel quality feedback from the terminal and data transmission feedback information, and instructs the terminal device through downlink control information (DCI). However, this scheme is inefficient in some scenarios. Summary of the Invention

[0004] This application provides a communication method and a communication device, which helps to reduce system throughput loss.

[0005] In a first aspect, this application provides a communication method applicable to a terminal-side device, which may be a terminal equipment, a processor, module, chip, chip system, or functional module implementing the method. The method includes: receiving first information from a network-side device, the first information indicating the frequency domain performance of a first frequency domain resource and the frequency domain performance of a second frequency domain resource; receiving second information from the network-side device, the second information indicating a third frequency domain resource and a corresponding third modulation and coding scheme (MCS), the third frequency domain resource including the first and second frequency domain resources; determining a first MCS based on the first information and the third MCS; and transmitting data with the network-side device based on the first frequency domain resource and the first MCS.

[0006] Based on the method described in the first aspect, the third frequency domain resource can be divided into multiple sub-frequency domain resources. Compared to each sub-frequency domain resource using the same MCS (e.g., the third MCS), the terminal device can determine the MCS used by each sub-frequency domain resource using the third MCS and the first information. For example, it can determine the first MCS used by the first frequency domain resource, which is beneficial to improving the system throughput. At the same time, compared to directly indicating the MCS used by each sub-frequency domain resource, indicating it using the first information described in this application is beneficial to reducing overhead.

[0007] In one possible implementation, the frequency domain performance of the first frequency domain resource includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS, wherein the frequency domain gain is used to indicate the overall performance of the first frequency domain resource; the relative gain is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; and the relative MCS is used to determine the first MCS in combination with the third MCS. Based on this implementation, the terminal device can determine the first MCS through one or more of the frequency domain gain, relative gain, or relative MCS, which is beneficial for improving system throughput and reducing control overhead.

[0008] In one possible implementation, the frequency domain performance is frequency domain gain and / or relative gain; the first MCS is determined based on the first information and the third MCS, which can be further implemented as: determining the relative MCS based on the frequency domain gain and / or relative gain; and determining the first MCS based on the relative MCS and the third MCS.

[0009] In one possible implementation, the first information is also used to indicate the relationship between frequency domain gain and MCS, and / or the relationship between relative gain and relative MCS.

[0010] In one possible implementation, the first information is also used to indicate one or more of the following relationships: the relationship between MCS and modulation order, the relationship between MCS and code rate, the relationship between relative MCS and relative modulation order, or the relationship between relative MCS and relative code rate.

[0011] In one possible implementation, the first information is also used to indicate the bandwidth of the first frequency domain resource.

[0012] In one possible implementation, the method further includes: the first information being carried in a synchronization signal and physical broadcasting channel block (SSB) or radio resource control (RRC) signaling.

[0013] In one possible implementation, the method further includes receiving third information from a network-side device, the third information indicating that data transmission based on a first MCS is enabled. Based on this implementation, the MCS enabled by the terminal-side device can be flexibly adjusted.

[0014] In one possible implementation, the method further includes sending a fourth message to the network-side device, the fourth message indicating confirmation that data transmission based on the first MCS is enabled. This fourth message is a confirmation message regarding the third message, enabling the network-side device to confirm that the terminal-side device has enabled data transmission based on the first MCS.

[0015] In one possible implementation, receiving first information from the network-side device can be further implemented as receiving multiple configuration information from the network-side device, where the first information is one of the multiple configuration information. The method also includes receiving fifth information from the network-side device, where the fifth information is used to indicate enabling the configuration of the first information. Based on this implementation, the network-side device can configure multiple configuration information, thereby flexibly selecting the appropriate configuration according to the actual scenario.

[0016] In one possible implementation, the method further includes sending a sixth message to the network-side device, the sixth message indicating confirmation of enabling the configuration of the first message. This sixth message is a confirmation message for the fifth message, enabling the network-side device to determine that the terminal-side device has enabled the configuration of the first message.

[0017] In one possible implementation, the second information is carried in downlink control information (DCI).

[0018] Secondly, this application provides a communication method that can be applied to a network-side device, which may be a network device, or a processor, module, chip, chip system, or functional module implementing the method. The method includes: sending first information to a terminal-side device, the first information indicating the frequency domain performance of a first frequency domain resource and a second frequency domain resource; sending second information to the terminal-side device, the second information indicating a third frequency domain resource and a third MCS corresponding to the third frequency domain resource, the third frequency domain resource including the first and second frequency domain resources, the first information and the third MCS used to determine the first MCS; and performing data transmission with the terminal-side device based on the first MCS.

[0019] The beneficial effects of the second aspect and its possible implementation methods can be found in the description of the first aspect above, and will not be repeated here.

[0020] In one possible implementation, the frequency domain performance includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS; wherein the frequency domain gain is used to indicate the overall performance of the first frequency domain resource; the relative gain is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; and the relative MCS is used to determine the first MCS in combination with the third MCS.

[0021] In one possible implementation, the first information is also used to indicate the relationship between frequency domain gain and MCS, and / or the relationship between relative gain and relative MCS.

[0022] In one possible implementation, the first information is also used to indicate one or more of the following relationships: the relationship between MCS and modulation order, the relationship between MCS and code rate, the relationship between relative MCS and relative modulation order, or the relationship between relative MCS and relative code rate.

[0023] In one possible implementation, the first information is also used to indicate the bandwidth of the first frequency domain resource.

[0024] In one possible implementation, the first information is carried in SSB or RRC signaling.

[0025] In one possible implementation, the method further includes: sending third information to the terminal device, the third information indicating that data transmission based on the first MCS is enabled.

[0026] In one possible implementation, the method further includes receiving fourth information from a terminal-side device, the fourth information being used to indicate confirmation to enable data transmission based on the first MCS.

[0027] In one possible implementation, sending first information to the terminal device can be further implemented as sending multiple configuration information to the terminal device, wherein the first information is one of the multiple configuration information.

[0028] In one possible implementation, the method further includes sending a fifth message to the terminal device, the fifth message being used to indicate the configuration that enables the first message.

[0029] In one possible implementation, the method further includes receiving sixth information from a terminal-side device, the sixth information being used to indicate the configuration of confirming the enabling of the first information.

[0030] In one possible implementation, the second information is carried in the DCI.

[0031] Thirdly, this application provides a communication method that can be applied to a terminal-side device, which may be a terminal equipment, or a processor, module, chip, chip system, or functional module implementing the method. The method includes: measuring a Service-Side Block (SSB) on a first frequency domain resource to obtain a first SSB measurement result, wherein the SSB carries first information used to indicate the frequency domain performance of the first frequency domain resource; and correcting the first SSB measurement result based on the first information.

[0032] Based on the communication method described in the third aspect, correcting the first SSB measurement result using the first information helps improve the accuracy of the first SSB measurement result.

[0033] In one possible implementation, the frequency domain performance of the first frequency domain resource includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS; wherein, the frequency domain gain is used to indicate the overall performance of the first frequency domain resource; the relative gain is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; the relative MCS is the difference between the index of the third MCS and the index of the first MCS, the third MCS is the MCS corresponding to the third frequency domain resource, and the third frequency domain resource includes the first frequency domain resource.

[0034] In one possible implementation, the frequency domain performance is relative gain and / or relative MCS; the first SSB measurement result is corrected based on the first information, which can be further implemented as: determining the frequency domain gain based on the relative gain and / or relative MCS; and correcting the first SSB measurement result based on the frequency domain gain.

[0035] In one possible implementation, the first information is also used to indicate the relationship between frequency domain gain and MCS, and / or the relationship between relative gain and relative MCS.

[0036] In one possible implementation, the first information is also used to indicate the bandwidth of the first frequency domain resource.

[0037] Fourthly, this application provides a communication method that can be applied to a network-side device, which may be a network device, or a processor, module, chip, chip system, or functional module implementing the method. The method includes: transmitting an SSB on a first frequency domain resource, the SSB carrying first information used to indicate the frequency domain performance of the first frequency domain resource.

[0038] The beneficial effects of the method described in the fourth aspect can be found in the description in the third aspect above, and will not be repeated here.

[0039] In one possible implementation, the frequency domain performance of the first frequency domain resource includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS; wherein, the frequency domain gain is used to indicate the overall performance of the first frequency domain resource; the relative gain is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; the relative MCS is the difference between the index of the third MCS and the index of the first MCS, the third MCS is the MCS corresponding to the third frequency domain resource, and the third frequency domain resource includes the first frequency domain resource.

[0040] In one possible implementation, the first information is also used to indicate the relationship between frequency domain gain and MCS, and / or the relationship between relative gain and relative MCS.

[0041] In one possible implementation, the first information is also used to indicate the bandwidth of the first frequency domain resource.

[0042] Fifthly, embodiments of this application provide a communication device for executing the method in any possible implementation of any of the first to fourth aspects. The communication device includes a module for executing the method in any possible implementation of any of the first to fourth aspects.

[0043] Sixthly, embodiments of this application provide a communication device including a processing circuit for executing methods in any possible implementation of any of the first to fourth aspects. The processing circuit executes a program, and when the program is executed, the methods shown in any possible implementation of the first or second aspect are performed.

[0044] In one possible implementation, the communication device further includes a memory for storing the program.

[0045] In one possible implementation, the memory is located outside the aforementioned communication device.

[0046] In one possible implementation, the memory is located within the aforementioned communication device.

[0047] Furthermore, the processing circuitry and memory can be integrated into a single device; that is, the processing circuitry and memory can be combined. For example, the communication device can be a chip.

[0048] In one possible implementation, the communication device further includes a transceiver circuit for receiving information (or inputting information) or sending information (or outputting information).

[0049] In a seventh aspect, embodiments of this application provide a communication device, which includes a processing circuit and a transceiver circuit. The processing circuit can be a logic circuit, and the transceiver circuit can be an interface circuit. The logic circuit and the interface are coupled. The interface circuit is used to input and / or output information, and the logic circuit is used to execute a method of any possible implementation of any one of the first to fourth aspects.

[0050] Eighthly, this application provides a communication system including a communication device for performing the method described in the first aspect and a communication device for performing the method described in the second aspect, or including a communication device for performing the method described in the third aspect and a communication device for performing the method described in the fourth aspect.

[0051] Ninthly, embodiments of this application provide a computer-readable storage medium for storing a computer program that, when run on a computer, causes the method shown in any possible implementation of any of the first to fourth aspects to be executed.

[0052] In a tenth aspect, embodiments of this application provide a computer program product that, when run on a computer, causes the method shown in any possible implementation of any of the first to fourth aspects to be executed. Attached Figure Description

[0053] Figure 1 is a schematic diagram of the architecture of a communication system provided in an embodiment of this application;

[0054] Figure 2 is a schematic diagram of the architecture of a communication system provided in an embodiment of this application;

[0055] Figure 3 is a flowchart illustrating a communication method provided in an embodiment of this application;

[0056] Figure 4 is a schematic diagram of frequency domain resource partitioning provided in an embodiment of this application;

[0057] Figure 5 is a flowchart illustrating a communication method provided in an embodiment of this application;

[0058] Figure 6 is a schematic diagram of the structure of a communication device provided in an embodiment of this application;

[0059] Figure 7 is a schematic diagram of the structure of a communication device provided in an embodiment of this application;

[0060] Figure 8 is a schematic diagram of the structure of a communication device provided in an embodiment of this application. Detailed Implementation

[0061] To facilitate understanding of the technical solution of this application, the application will be further described below with reference to the accompanying drawings.

[0062] The terms "first" and "second," etc., used in the specification, claims, and drawings of this application are used only to distinguish different objects and not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device that includes 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.

[0063] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0064] In this application, "at least one (item)" refers to one or more, "more than one" refers to two or more, "at least two (items)" refers to two or three or more, and "and / or" is used to describe the relationship between related objects, indicating that there can be three relationships. For example, "A and / or B" can mean: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. "Or" indicates that there can be two relationships, such as only A exists and only B exists; when A and B are not mutually exclusive, it can also mean that there are three relationships, such as only A exists, only B exists, and both A and B exist simultaneously. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one (item) of the following" or similar expressions refer to any combination of these items. For example, at least one (item) of a, b, or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c".

[0065] In this application, "send" and "receive" indicate the direction of signal transmission. For example, "send information to XX" can be understood as the destination of the information being XX, which can include direct transmission via the air interface or indirect transmission via the air interface from other units or modules. "Receive information from YY" can be understood as the source of the information being YY, which can include direct reception from YY via the air interface or indirect reception from YY via the air interface from other units or modules. "Send" can also be understood as the "output" of a chip interface, and "receive" can also be understood as the "input" of a chip interface. In other words, sending and receiving can occur between devices, such as between network devices and terminal devices, or within a device, such as between components, modules, chips, software modules, or hardware modules within the device via buses, traces, or interfaces.

[0066] In this application, "...when" and "if" both refer to the corresponding processing that will be carried out under certain objective circumstances, and are not limited to a specific time. They do not require a judgment action during implementation, nor do they imply any other limitations.

[0067] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of terms such as "exemplary" or "for example" is intended to present the relevant concepts in a specific manner to facilitate understanding.

[0068] In this application, "instruction" may include: direct instruction, or indirect instruction, or explicit instruction, or implicit instruction.

[0069] In this application, "including" can include: direct inclusion, indirect inclusion, explicit inclusion, or implicit inclusion.

[0070] The prior art may change as the technical solutions evolve, and the technical solutions provided in this application are not limited to the prior art provided.

[0071] It should be noted that different embodiments or some steps (e.g., any one or more steps) in different embodiments of this application can be combined with each other to form new embodiments. It should also be noted that the scope of this application is not limited to including optional steps in a certain embodiment, mandatory steps in a certain embodiment, or both optional and mandatory steps in a certain embodiment.

[0072] It should be noted that, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions between different embodiments are consistent and can be referenced in each other.

[0073] It should be noted that the order of the steps in the embodiments of this application is not limited by this application.

[0074] It should be noted that the order in which different conditions are judged in the embodiments of this application is not limited by this application.

[0075] It should be noted that the terms "after" and "time" in this application do not strictly limit the specific point in time.

[0076] It should be noted that the nouns and terms used in this application are merely examples and may be other names, which are not limited in this application.

[0077] The following describes the communication system involved in the embodiments of this application.

[0078] The technical solutions provided in this application can be applied to various communication systems, such as: 5th generation (5G) or new radio (NR) systems, long term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, wireless local area network (WLAN) systems, satellite communication systems, future communication systems, or integrated systems of multiple systems. The technical solutions provided in this application can also be applied to device-to-device (D2D) communication, vehicle-to-everything (V2X) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), and Internet of Things (IoT) communication systems or other communication systems.

[0079] The method provided in this application can be applied between two entities in a communication system, such as one entity sending information to or receiving information sent by the other entity. In a wireless communication system, communication devices are included, and these devices can communicate wirelessly using air interface resources. Air interface resources may include at least one of time-domain resources, frequency-domain resources, code resources, and spatial resources; this application does not limit this. For example, the aforementioned two entities may include a network device and a terminal device, or may include a chip that can be placed in a network device and a chip that can be placed in a terminal device, etc. Of course, as standards advance, other types of entities may emerge subsequently; this application does not limit this.

[0080] Figure 1 is a schematic diagram of the architecture of a communication system provided in an embodiment of this application. As shown in Figure 1, the communication system may include at least one network device and at least one terminal device, such as terminal device 1 to terminal device 4 in Figure 1. The terminal device and the network device can communicate via an air interface Uu link or via a non-terrestrial network (NTN) link, etc. For example, terminal device 3 and terminal device 4 can communicate via a D2D sidelink, etc. The form of the terminal device shown in Figure 1 is only an example. In a specific implementation, the terminal device may also include in-vehicle equipment or in-vehicle terminals in a vehicle network. This application embodiment does not limit the specific form of the terminal device when applied to a vehicle network or the Internet.

[0081] Figure 2 is a schematic diagram of the architecture of a communication system provided in an embodiment of this application. As shown in Figure 2, the scenarios of this communication system may include at least one of scenario (a), scenario (b), scenario (c), or scenario (d). Scenario (a) is a point-to-point single connection between a network device and a terminal device; scenario (b) is a multi-hop single connection between a network device and a terminal device; scenario (c) is a point-to-point dual connectivity (DC) between a network device and a terminal device; and scenario (d) is a multi-hop dual connection between a network device and a terminal device.

[0082] Figure 1 exemplarily illustrates a network device and multiple terminal devices, and Figure 2 exemplarily illustrates single-connection and dual-connection. In specific implementations, the communication system may also include a greater number of network devices, and the coverage area of ​​each network device may include a greater or lesser number of terminal devices; this application embodiment does not limit this. The architectures shown in Figures 1 and 2 are merely examples and do not impose limitations on the network architecture applicable to this application. Any network-side device communicating with or sensing other devices is a network architecture usable in this application.

[0083] The following provides a detailed description of terminal equipment and network equipment.

[0084] A terminal device is a device with wireless transceiver capabilities. It can communicate with access network equipment (or access devices, or network devices as described below) in a radio access network (RAN). Terminal devices can also be referred to as user equipment (UE), access terminal, terminal, subscriber unit, user station, mobile station, remote station, remote terminal, mobile device, user terminal, user agent, or user device, etc. In one possible implementation, the terminal device can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; or it can be deployed on water, including ships; or it can be deployed in the air, such as on airplanes, balloons, or satellites. In another possible implementation, the terminal device can be a handheld device with wireless communication capabilities, vehicle-mounted device, wearable device, sensor, terminal in the Internet of Things (IoT), terminal in the Internet of Vehicles (IoV), drone, or any form of terminal device in a 5G network or future network; this application does not limit this. In another possible implementation, the terminal device can also be a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in autonomous driving, a wireless terminal in telemedicine, a wireless terminal in a smart grid, a wireless terminal in a smart city, or a wireless terminal in a smart home, etc.

[0085] In this application embodiment, the device for implementing the functions of the terminal device can be the terminal device itself; it can also be a device capable of supporting the terminal device in implementing the functions, such as a chip system. The device can be installed in the terminal device or used in conjunction with the terminal device. In this application embodiment, the chip system can be composed of chips or can include chips and other discrete devices. For ease of description, when examples are mentioned below, the technical solutions provided in this application embodiment are described using the UE as an example to illustrate the device for implementing the functions of the terminal device.

[0086] A network device can be a device deployed in a wireless access network to provide wireless communication services to terminal devices. This network device can also be called an access network device, access equipment, or RAN device, etc. For example, a network device can be a next-generation node B (gNB), a next-generation evolved node B (ng-eNB), or a network device in future communications. A network device can be any device with wireless transceiver capabilities, including but not limited to the base stations mentioned above (including base stations deployed on satellites). This network device can also be a device with base station functionality in future communication systems. As an example, this network device can be an access node, wireless relay node, or wireless backhaul node in a wireless-fidelity (Wi-Fi) system. As another example, this network device can be a wireless controller in a cloud radio access network (CRAN) scenario. As yet another example, this network device can be a wearable device or vehicle-mounted device capable of providing wireless communication services. As yet another example, this network device can also be a small cell, a transmission reception point (TRP) (or a transmit-receive node), etc. In systems using different wireless access technologies, the names of devices with network equipment functions may vary, and these will not be listed one by one in the embodiments of this application.

[0087] Network devices can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile network device, and one or more cells can move according to the location of the mobile network device. In other examples, a helicopter or drone can be configured to be used as a device to communicate with another network device.

[0088] In some network device deployments, the network device may include a central unit (CU) and a distributed unit (DU). For example, some protocol layer functions of the network device may be centrally controlled by the CU, while the remaining part or all of the protocol layer functions may be distributed in the DU, which is centrally controlled by the CU. In other network device deployments, the CU may be divided into a CU-control plane (CP) and a CU-user plane (UP). In still other network device deployments, the network device may be an open radio access network (ORAN) architecture. When the network device is an ORAN architecture, it may be a functional entity or module within the ORAN. For example, the network device may be one or more of a CU, DU, or RU. In an ORAN system, the CU may also be called an open (O)-CU, the DU may also be called an O-DU, the CU-CP may also be called an O-CU-CP, and the CU-UP may also be called an O-CU-UP, etc. The network device deployment methods listed here are merely examples. As standard technologies evolve, network devices may have other deployment forms, and this application does not limit these.

[0089] In some deployments, multiple RAN nodes collaborate to assist terminals in achieving wireless access, with different RAN nodes each implementing a portion of the access network's functions. For example, RAN nodes can be CUs, DUs, CU-CPs, CU-UPs, or RUs. CUs and DUs can be configured separately or included in the same network element, such as an indoor baseband unit (BBU). RUs can be included in radio frequency equipment or radio frequency units, such as remote radio units (RRUs), active antenna units (AAUs), or remote radio heads (RRHs).

[0090] RAN nodes can support one or more types of fronthaul interfaces, each corresponding to a DU and RU with different functions. If the fronthaul interface between the DU and RU is a Common Public Radio Interface (CPRI), the DU is configured to implement one or more baseband functions, and the RU is configured to implement one or more radio frequency functions. If the fronthaul interface between the DU and RU is another type of interface, relative to CPRI, it moves some downlink and / or uplink baseband functions—for example, for downlink, precoding, or one or more of inverse fast Fourier transform (IFFT) / adding a cyclic prefix (CP)—from the DU to the RU; and for uplink, digital beamforming, or one or more of fast Fourier transform (FFT) / removing CP—from the DU to the RU. In one possible implementation, this interface can be an enhanced common public radio interface (eCPRI). Under the eCPRI architecture, the partitioning methods between DU and RU are different, corresponding to different types (category, Cat) of eCPRI, such as eCPRI Cat A, B, C, D, E, F.

[0091] Taking eCPRI Cat A as an example, for downlink transmission, layer mapping is used as the dividing line. The DU is configured to implement one or more functions preceding layer mapping (i.e., coding, rate matching, scrambling, modulation, and layer mapping itself), while other functions following layer mapping (e.g., resource element (RE) mapping, digital beamforming, or IFFT / CP addition) are implemented in the RU. For uplink transmission, de-RE mapping is used as the dividing line. The DU is configured to implement one or more functions preceding de-mapping (i.e., decoding, rate matching de-matching, descrambling, demodulation, inverse discrete Fourier transform (IDFT), channel equalization, and de-RE mapping itself), while other functions following de-mapping (e.g., digital BF or FFT / CP removal) are implemented in the RU. For functional descriptions of the DU and RU corresponding to various types of eCPRI, please refer to the eCPRI protocol; they will not be elaborated here.

[0092] In one possible design, the processing unit in the BBU used to implement baseband functions is called the baseband high (BBH) unit, and the processing unit in the RRU / AAU / RRH used to implement baseband functions is called the baseband low (BBL) unit.

[0093] In different systems, CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art will understand their meaning. For example, in an ORAN system, CU can also be called O-CU (open CU), DU can also be called O-DU, CU-CP can also be called O-CU-CP, CU-UP can also be called O-CU-UP, and RU can also be called O-RU. Any of the units among CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software modules and hardware modules.

[0094] Network devices and / or terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites. This application does not limit the scenario in which the network devices and terminal devices are located. Furthermore, terminal devices and network devices can be hardware devices, or software functions running on dedicated hardware or general-purpose hardware, such as virtualization functions instantiated on a platform (e.g., a cloud platform), or entities that include dedicated or general-purpose hardware devices and software functions. This application does not limit the specific form of the terminal devices and network devices.

[0095] In this embodiment, the device for implementing the functions of the network device can be the network device itself; or it can be a device capable of supporting the network device in implementing the functions, such as a chip system. This device can be installed in the network device or used in conjunction with the network device.

[0096] In the 5G NR standard, the base station adjusts the modulation and coding scheme (MCS) for data transmission based on channel quality feedback from the terminal and data transmission feedback, and instructs the terminal device through downlink control information (DCI). However, this scheme is inefficient in some scenarios and can easily lead to a loss of system throughput.

[0097] To reduce system throughput loss, this application proposes a communication method that selects the MCS (Multi-Channel System) that can support different frequency domain resources with varying performance for data transmission, and configures them using multiple DCIs (Digital Channel Interfaces). As shown in Figure 3, this communication method includes steps 301 to 304. The method shown in Figure 3 is applied between a terminal-side device and a network-side device. The terminal-side device can be a terminal equipment, or a processor, module, chip, chip system, or functional module implementing the method. The network-side device can be a network equipment, or a processor, module, chip, chip system, or functional module implementing the method.

[0098] 301. The network-side device sends first information to the terminal-side device, the first information being used to indicate the frequency domain performance of the first frequency domain resource and the frequency domain performance of the second frequency domain resource.

[0099] In this embodiment, the first frequency domain resource and the second frequency domain resource belong to the third frequency domain resource. The third frequency domain resource is a frequency domain resource allocated by the network-side device to the terminal-side device for data transmission with the network side. For example, the third frequency domain resource may include multiple sub-frequency domain resources, and the first frequency domain resource and the second frequency domain resource are two of the multiple sub-frequency domain resources included in the third frequency domain resource.

[0100] Optionally, when the number of sub-frequency domain resources included in the third frequency domain resource is greater than two, the first information can also be used to indicate the frequency domain performance of other sub-frequency domain resources besides the first and second frequency domain resources. Alternatively, the first information can indicate the frequency domain performance of all or part of the sub-frequency domain resources included in the third frequency domain resource.

[0101] Optionally, this third frequency domain resource can also be referred to as transmission bandwidth. Transmission bandwidth refers to the bandwidth for data transmission between the network-side device and the terminal-side device. For example, this transmission bandwidth corresponds to multiple sub-frequency domain resources, and the first frequency domain resource and the second frequency domain resource can be two of these multiple sub-frequency domain resources.

[0102] Optionally, the bandwidth of each sub-frequency domain resource in the third frequency domain resource is equal, or the bandwidth of any two sub-frequency domain resources in the third frequency domain resource is not necessarily equal. As shown in Figure 4, Figure 4(a) shows that the third frequency domain resource is divided into sub-frequency domain resource 1 and sub-frequency domain resource 2, wherein the bandwidth of sub-frequency domain resource 1 and the bandwidth of sub-frequency domain resource 2 are not the same. Figure 4(b) shows that the third frequency domain resource is divided into sub-frequency domain resource 3, sub-frequency domain resource 4, and sub-frequency domain resource 5, wherein the bandwidth of sub-frequency domain resource 3, sub-frequency domain resource 4, and sub-frequency domain resource 5 is the same.

[0103] In some possible implementations, frequency domain performance includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS (R-MCS). The following example uses the frequency domain performance of the first frequency domain resource to illustrate frequency domain gain, relative gain, or relative MCS:

[0104] The frequency domain gain of a first frequency domain resource can be used to indicate the overall performance of the first frequency domain resource. For example, the frequency domain gain of the first frequency domain resource includes at least one of the mean, median, or minimum gain values ​​of the entire first frequency domain resource. For instance, the gain value of the first frequency domain resource can be at least one of the following: reference signal receiving power (RSRP), reference signal receiving quality (RSRQ), received signal strength indication (RSSI), signal-to-interference plus noise ratio (SINR), and signal-to-noise ratio (SNR). Optionally, the gain value of the first frequency domain resource can be represented by at least one of a decibel (dB) value, a linear power value, and an amplitude value.

[0105] The relative gain of the first frequency domain resource can be used to determine the frequency domain gain of the first frequency domain resource in conjunction with the frequency domain gain of the third frequency domain resource. The relative gain of the first frequency domain resource is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource. For example, the frequency domain gain of the third frequency domain resource can be at least one of the mean, median, or minimum value of the gain values ​​of the third frequency domain resource. For instance, the gain value of the third frequency domain resource can be RSRP, RSRQ, RSSI, or SINR. Optionally, the gain value of the third frequency domain resource can be represented by at least one of a decibel value, a linear power value, and an amplitude value. For example, when the gain value of the third frequency domain resource and the gain value of the first frequency domain resource are expressed in decibels, the relative gain of the first frequency domain resource is the difference between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; when the gain value of the third frequency domain resource and the gain value of the first frequency domain resource are expressed in linear power values ​​or amplitude values, the relative gain of the first frequency domain resource is the quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource.

[0106] The relative MCS of the first frequency domain resource can be used to determine the first MCS in conjunction with the third MCS. The first MCS is the MCS of the first frequency domain resource, or it can be understood as the MCS actually used by the first frequency domain resource. The third MCS is the MCS corresponding to the third frequency domain resource, or it can be understood as the common MCS corresponding to multiple sub-frequency domain resources included in the third frequency domain resource, for example, the common MCS corresponding to the first and second frequency domain resources. For example, the relative MCS of the first frequency domain resource is an adjustment value of the first MCS relative to the third MCS. For example, the index value of the relative MCS of the first frequency domain resource is the difference between the index value of the third MCS and the index value of the first MCS; correspondingly, the index value of the first MCS is equal to the sum of the index value of the third MCS and the index value of the relative MCS of the first frequency domain resource. The index value of the relative MCS can be 0, a positive number, or a negative number. Taking an index value of 2 for the relative MCS and an index value of 19 for the third MCS as an example, the index value of the first MCS can be determined to be 21 based on the relative MCS and the third MCS of the first frequency domain resource.

[0107] Optionally, the frequency domain performance of the first frequency domain resource can be obtained offline by the network-side device or obtained through real-time measurement. This application embodiment does not limit the source of information on the frequency domain performance of the first frequency domain resource.

[0108] Optionally, the above description of frequency domain gain, relative gain, or relative MCS based on the frequency domain performance of the first frequency domain resource can be used to derive the relevant definitions of frequency domain gain, relative gain, or relative MCS for the second frequency domain resource (for example, it can be obtained by replacing "first frequency domain resource" with "second frequency domain resource" in the above description), which will not be elaborated here.

[0109] Optionally, the indications described in this application include both direct and indirect indications. For example, when the first information indicates the frequency domain gain of a first frequency domain resource, it can directly indicate its gain value, or it can be indicated indirectly, such as through an association relationship. For instance, it can indirectly indicate the index corresponding to its gain value, and the terminal device can determine the corresponding gain value through the indicated index and the relationship between the gain value and the index. The indications described subsequently are similar and will not be repeated.

[0110] In some possible implementations, the first information is further used to indicate the bandwidth of the first frequency domain resource. Optionally, the first information is further used to indicate the bandwidth of the second frequency domain resource. Alternatively, the first information is further used to indicate the bandwidth of all or part of the sub-frequency domain resources among the plurality of sub-frequency domain resources included in the third frequency domain resource. Optionally, the network-side device sends other information to the terminal-side device, which is used to indicate the bandwidth of the first frequency domain resource.

[0111] In some possible implementations, the first information is further used to indicate the number M of sub-frequency domain resources included in the third frequency domain resource. Optionally, the number of sub-frequency domain resources included in the third frequency domain resource can be referred to as the first quantity, where M is a positive integer greater than 1. For example, the first information can be used to indicate the frequency domain performance of M sub-frequency domain resources; or, for example, when the first information only indicates the frequency domain performance of the first frequency domain resource and the frequency domain performance of the second frequency domain resource, the first quantity is 2. Optionally, the network-side device sends other information to the terminal-side device, which is used to indicate the first quantity.

[0112] In some examples, the number of sub-frequency domain resources included in the third frequency domain resource is related to the number of frequency division synchronization signals and physical broadcasting channel blocks (SSBs). Optionally, the network-side device can transmit SSBs using frequency division multiplexing, or the network-side device can transmit multiple SSBs simultaneously at different frequency domain locations. The network-side device can allocate the third frequency domain resource to the terminal-side device based on the number of frequency division SSBs; for example, the number of frequency division SSBs is equal to the number of sub-frequency domain resources included in the third frequency domain resource. Optionally, in this scenario, the first information may not need to indicate the first quantity; the terminal-side device can determine the number of sub-frequency domain resources included in the third frequency domain resource based on the number of frequency division SSBs.

[0113] In some examples, the bandwidth of any two sub-frequency domain resources among the multiple sub-frequency domain resources included in the third frequency domain resource is equal. Optionally, in this scenario, when the first information indicates the first quantity, it is not necessary to indicate the bandwidth of the sub-frequency domain resources (e.g., the first frequency domain resource and the second frequency domain resource). The terminal device can determine the number of sub-frequency domain bandwidths included in the third frequency domain resource based on the first quantity and the bandwidth of the third frequency domain resource.

[0114] Optionally, the first information is carried in SSB or radio resource control (RRC) signaling.

[0115] 302. The network-side device sends second information to the terminal-side device. Correspondingly, the terminal-side device receives the second information from the network-side device. The second information indicates the third frequency domain resource and the third MCS corresponding to the third frequency domain resource. The third frequency domain resource includes the first frequency domain resource and the second frequency domain resource.

[0116] In this embodiment, the third frequency domain resource is a frequency domain resource allocated by the network-side device to the terminal device for data transmission. For example, the third frequency domain resource can be divided into multiple sub-frequency domain resources, with the first and second frequency domain resources being two of the multiple sub-frequency domain resources included in the third frequency domain resource. The third MCS is the MCS corresponding to the third frequency domain resource, or it can be understood as the common MCS corresponding to the multiple sub-frequency domain resources included in the third frequency domain resource, for example, the common MCS corresponding to the first and second frequency domain resources. The third MCS can be used to determine the MCS used by each sub-frequency domain resource among the multiple sub-frequency domain resources included in the third frequency domain resource. For example, the third MCS can be used to determine the first MCS and the second MCS, where the first MCS is the MCS of the first frequency domain resource and the second MCS is the MCS of the second frequency domain resource.

[0117] Optionally, the third MCS can be determined by the network-side device based on the frequency domain gain of the third frequency domain resource. The definition of the frequency domain gain of the third frequency domain resource can be found in the foregoing description and will not be repeated here.

[0118] Optionally, this second information is carried in the DCI.

[0119] The embodiments of this application do not limit the order in which steps 301 and 302 are executed. For example, step 301 may be executed before step 302, or step 301 may be executed before step 302, or steps 301 and 302 may be executed simultaneously.

[0120] 303. The terminal device determines the first MCS based on the first information and the third MCS.

[0121] Furthermore, step 303 can also be described as the terminal device determining the first MCS based on the frequency domain performance of the first frequency domain resources and the third MCS.

[0122] In some possible implementations, when the first information indicates the relative MCS of the first frequency domain resource, the terminal device can determine the first MCS based on the relative MCS and the third MCS of the first frequency domain resource. For example, the value of the relative MCS of the first frequency domain resource is the difference between the index value of the third MCS and the index value of the first MCS. Correspondingly, the index value of the first MCS is equal to the sum of the index value of the third MCS and the value of the relative MCS. Taking the value of the relative MCS as -2 and the index value of the third MCS as 19, the terminal device can determine the index value of the first MCS as 17 based on the relative MCS and the third MCS. Optionally, the value of the relative MCS is 0, indicating that the first MCS and the third MCS are the same.

[0123] In some possible implementations, when the first information indicates the frequency domain gain and / or relative gain of the first frequency domain resource, the terminal device may perform the following operations 1 and 2 when determining the first MCS:

[0124] Operation 1: The terminal device determines the relative MCS of the first frequency domain resource based on the frequency domain gain and / or relative gain of the first frequency domain resource.

[0125] Operation 2: The terminal device determines the first MCS based on the relative MCS and the third MCS of the first frequency domain resources.

[0126] Optionally, determining the relative MCS in operation 1 described above can be implemented using the method described in the following example:

[0127] Example 1: When the first information indicates the relative gain of the first frequency domain resource, the terminal device can determine the relative MCS of the first frequency domain resource based on the relative gain of the first frequency domain resource and the relationship between the relative gain and the relative MCS.

[0128] Example 2: When the first information indicates the frequency domain gain of the first frequency domain resource, the terminal device can determine the relative gain of the first frequency domain resource based on the frequency domain gain of the third frequency domain resource and the frequency domain gain of the first frequency domain resource. The terminal device can determine the relative MCS of the first frequency domain resource based on the relative gain of the first frequency domain resource and the relationship between the relative gain and the relative MCS.

[0129] Optionally, the relationship between relative gain and relative MCS can be expressed in a table or formula. Taking the relationship between relative gain and relative MCS expressed in a table as an example, this table can be called a relative gain-relative MCS table, as shown in Table 1:

[0130] Table 1

[0131] For example, when the first information indicates that the relative gain of the first frequency domain resource is -1dB, the terminal device can determine, according to Table 1, that the relative MCS value of the first frequency domain resource is -1; for example, when the first information indicates that the relative gain of the first frequency domain resource is 3dB, the terminal device can determine, according to Table 1, that the relative MCS value of the first frequency domain resource is 2.

[0132] Table 1 is only an example. The relative gain-relative MCS table may also include the correlation of other parameters, or the relationship between relative gain and relative MCS may be expressed in other forms. This application does not limit this.

[0133] Optionally, the relationship between the relative gain and the relative MCS can be configured by the network-side device, or pre-configured (e.g., configured at the device factory or pre-configured by the device's higher-layer signaling), or predefined, or agreed upon by a standard protocol. This application embodiment does not limit this.

[0134] Optionally, the first information is also used to indicate the relative gain and relative MCS relationship. For example, the network-side device may configure multiple relative gain and relative MCS relationships, and the first information may indicate one of these multiple relative gain and relative MCS relationships for the terminal-side device to determine the first MCS. For instance, the network-side device may configure multiple relative gain-relative MCS tables, and the first information may indicate the index of one of these tables, the relative gain-relative MCS table corresponding to which the index is used by the terminal-side device to determine the first MCS.

[0135] In some possible implementations, when the first information indicates the frequency domain gain of the first frequency domain resource, the terminal device can directly determine the first MCS based on the frequency domain resources of the first frequency domain resource and the relationship between the frequency domain resources and the MCS. In this implementation scenario, steps 302 and / or 303 may not need to be executed.

[0136] Optionally, the relationship between frequency domain gain and MCS can be represented by a table or formula. Taking the relationship between frequency domain gain and MCS as an example, this table can be called a frequency domain gain-MCS table. Below, using SNR or SINR as an example, the frequency domain gain-MCS table can be shown in Table 2:

[0137] Table 2

[0138] For example, when the first information indicates that the frequency domain gain of the first frequency domain resource is 1dB, the terminal device can determine, according to Table 2, that the MCS index of the first MCS is 4; for example, when the first information indicates that the frequency domain gain of the first frequency domain resource is -2.58dB, the terminal device can determine, according to Table 2, that the MCS index of the first MCS is 1.

[0139] Table 2 is only an example. The frequency domain gain-MCS table may also include the correlation of other parameters, or the relationship between frequency domain gain and MCS may be expressed in other forms. This application does not limit this.

[0140] Optionally, the frequency domain gain and MCS relationship can be configured by the network-side device, or pre-configured (e.g., configured at the device factory or pre-configured by the device's higher-layer signaling), or predefined, or agreed upon by a standard protocol. This application embodiment does not limit this.

[0141] Optionally, the first information is also used to indicate the frequency domain gain and MCS relationship. For example, the network-side device may configure multiple frequency domain gain and relative MCS relationships, and the first information may indicate one of these multiple frequency domain gain and MCS relationships for the terminal-side device to determine the first MCS. For instance, the network-side device may configure multiple frequency domain gain-MCS tables, and the first information may indicate the index of one of these multiple frequency domain gain-MCS tables, the frequency domain gain-MCS table corresponding to which the index is used by the terminal-side device to determine the first MCS.

[0142] In some possible implementations, the network-side device can determine the first MCS based on the frequency domain gain of the first frequency domain resource before sending the first information. For example, the network-side device can determine the first MCS based on the relationship between frequency domain gain and MCS, and the frequency domain gain of the first frequency domain resource. Taking Table 2 above as an example, when the frequency domain gain of the first frequency domain resource is 1dB, the network-side device can determine the MCS index of the first MCS as 4 based on Table 2.

[0143] Optionally, when the first information indicates the relative MCS of the first frequency domain resource, after determining the first MCS based on the frequency domain gain of the first frequency domain resource, the network-side device can determine the relative MCS of the first frequency domain resource based on the index of the third MCS and the index of the first MCS. For example, the third MCS can be determined by the network-side device based on the frequency domain gain of the third frequency domain resource. Taking Table 2 above as an example, when the frequency domain gain of the third frequency domain resource is -2.5dB, the network-side device can determine from Table 2 that the MCS index of the third MCS is 1. Combining this with the example above where the MCS index of the first MCS is 4, the value of the relative MCS of the first frequency domain resource is the difference between the index value of the third MCS and the index value of the first MCS, i.e., the value of the relative MCS of the first frequency domain resource is -3.

[0144] 304. The terminal-side device and the network-side device transmit data based on the first frequency domain resources and the first MCS.

[0145] The terminal-side device can also determine the second MCS based on the first information and the third MCS, or, more specifically, the terminal-side device can determine the second MCS based on the frequency domain performance of the second frequency domain resources and the third MCS; then, the terminal-side device performs data transmission with the network-side device based on the second frequency domain resources and the second MCS. The method by which the terminal-side device can determine the second MCS based on the first information and the third MCS is the same as described in step 303 above, and will not be repeated here.

[0146] Based on the method described in the embodiments of this application, the third frequency domain resource can be divided into multiple sub-frequency domain resources. Compared to each sub-frequency domain resource using the same MCS (e.g., the third MCS), the terminal device can determine the MCS used by each sub-frequency domain resource through the third MCS and the first information. For example, it can determine the first MCS used by the first frequency domain resource, which is beneficial to improving the system throughput. At the same time, compared to directly indicating the MCS used by each sub-frequency domain resource, using the first information method described in this application to indicate the MCS is beneficial to reducing overhead.

[0147] In some possible implementations, the first information is also used to indicate one or more of the following relationships: the relationship between MCS and modulation order, the relationship between MCS and code rate, the relationship between relative MCS and relative modulation order, and the relationship between relative MCS and relative code rate. Optionally, the network-side device and the terminal-side device can determine the modulation order and / or code rate of the first frequency domain resource based on the relationship indicated by the first information. Further, step 304 can be implemented as the terminal-side device and the network-side device performing data transmission based on the first frequency domain resource, the first MCS, and the modulation order and / or code rate of the first frequency domain resource.

[0148] For example, when determining the modulation order of the first frequency domain resource, the terminal-side device (or network-side device) can use the method described in the following example:

[0149] Example 1: The terminal-side device (or network-side device) determines the first MCS based on the first information and the third MCS; then, the terminal-side device (or network-side device) determines the modulation order of the first frequency domain resource based on the first MCS and the relationship between the MCS and the modulation order.

[0150] Example 2: The terminal-side device (or network-side device) determines the relative modulation order corresponding to the first frequency domain resource based on the relative MCS of the first frequency domain resource and the relationship between the relative MCS and the relative modulation order; then, the terminal-side device (or network-side device) can determine the modulation order of the first frequency domain resource based on the relative modulation order corresponding to the first frequency domain resource and the modulation order of the third frequency domain resource. Wherein, the modulation order of the first frequency domain resource is the sum of the relative modulation order corresponding to the first frequency domain resource and the modulation order of the third frequency domain resource.

[0151] In the scenario described in Example 2, if the frequency domain performance of the first frequency domain resource indicated by the first information is frequency domain gain and / or relative gain, the terminal device needs to first determine the relative MCS of the first frequency domain resource based on the frequency domain gain and / or relative gain. The method for determining the relative MCS can be found in the foregoing description and will not be repeated here. Alternatively, if the frequency domain performance of the first frequency domain resource indicated by the first information is a relative MCS, the relative MCS of the first frequency domain resource can be determined directly based on the first information.

[0152] Optionally, the modulation order of the third frequency domain resource can be determined based on the relationship between the MCS and the modulation order, and the third MCS. Further optionally, the relationship between the MCS and the modulation order can be determined using an MCS table.

[0153] In some examples, the relationship between MCS and modulation order, as well as the relationship between relative MCS and relative modulation order, can be represented by tables or formulas.

[0154] In some examples, the relationship between MCS and modulation order, and the relationship between relative MCS and relative modulation order, can be configured by the network-side device, or pre-configured (e.g., configured at the device factory or pre-configured by the device's higher-layer signaling), or predefined, or agreed upon by standard protocols. This application embodiment does not limit this.

[0155] Optionally, the network-side device can configure multiple relationships between MCS and modulation order. The first information can indicate one of these multiple relationships between gain and MCS, used by the terminal-side device to determine the modulation order of the first frequency domain resource. For example, the network-side device can configure multiple MCS-modulation order tables. The first information can indicate the index of one of these multiple MCS-modulation order tables, and the MCS-modulation order table corresponding to that index is used by the terminal-side device to determine the modulation order of the first frequency domain resource. Similarly, the network-side device can also configure multiple relationships between relative MCS and relative modulation order. The first information can indicate one of these multiple relationships between relative MCS and relative modulation order. The specific implementation is the same as described above and will not be repeated here.

[0156] For example, when determining the code rate of the first frequency domain resource, the terminal-side device (or network-side device) can use the method described in the following example:

[0157] Example 1: The terminal-side device (or network-side device) determines the first MCS; then, the terminal-side device (or network-side device) determines the code rate of the first frequency domain resource based on the first MCS and the relationship between the MCS and the code rate.

[0158] Example 2: The terminal-side device (or network-side device) determines the relative bitrate corresponding to the first frequency domain resource based on the relative MCS of the first frequency domain resource and the relationship between the relative MCS and the relative bitrate; then, the terminal-side device (or network-side device) can determine the bitrate of the first frequency domain resource based on the relative bitrate corresponding to the first frequency domain resource and the bitrate of the third frequency domain resource. Wherein, the bitrate of the first frequency domain resource is the sum of the relative bitrate corresponding to the first frequency domain resource and the bitrate of the third frequency domain resource.

[0159] Optionally, the bitrate of the third frequency domain resource can be determined based on the relationship between the MCS and the bitrate, and the third MCS. Further optionally, the relationship between the MCS and the bitrate can be determined using an MCS table.

[0160] In the scenario described in Example 2, if the frequency domain performance of the first frequency domain resource indicated by the first information is frequency domain gain and / or relative gain, the terminal device needs to first determine the relative MCS of the first frequency domain resource based on the frequency domain gain and / or relative gain. The method for determining the relative MCS can be found in the foregoing description and will not be repeated here. Alternatively, if the frequency domain performance of the first frequency domain resource indicated by the first information is a relative MCS, the relative MCS of the first frequency domain resource can be determined directly based on the first information.

[0161] In some examples, the relationship between MCS and bitrate, as well as the relationship between relative MCS and relative bitrate, can be represented by tables or formulas.

[0162] In some examples, the relationship between MCS and bit rate, and the relationship between relative MCS and relative bit rate, can be configured by the network-side device, or pre-configured (e.g., configured at the device factory or pre-configured by the device's higher-layer signaling), or predefined, or agreed upon by standard protocols. This application embodiment does not limit this.

[0163] Optionally, when the network-side device configures multiple relationships between MCS and bitrate, the first information can indicate one of the multiple relationships between gain and MCS, used by the terminal-side device to determine the bitrate of the first frequency domain resource. For example, the network-side device can configure multiple MCS-bitrate tables, and the first information can indicate the index of one of the multiple MCS-bitrate tables. The MCS-bitrate table corresponding to this index is used by the terminal-side device to determine the bitrate of the first frequency domain resource. Similarly, the network-side device can also configure multiple relationships between relative MCS and relative bitrate, and the first information can indicate one of the multiple relationships between relative MCS and relative bitrate. The specific implementation is the same as described above and will not be repeated here.

[0164] In some possible implementations, before step 303 or step 304, the network-side device sends third information to the terminal-side device. The terminal-side device receives the third information from the network-side device, which indicates whether data transmission based on the first MCS is enabled, or indicates whether data transmission based on the first MCS is disabled. Based on this implementation, whether the terminal-side device enables the first MCS can be flexibly adjusted.

[0165] For example, enabling can also be described as: activating or enabling. Deactivating can also be described as: deactivating or turning off.

[0166] Optionally, when the third information indicates that data transmission based on the first MCS is enabled, it can also be described as indicating that data transmission based on the MCS of a sub-frequency domain resource is enabled. Optionally, the third frequency domain resource is divided into multiple sub-frequency domain resources, each with its own used MCS. The third information can indicate that the terminal device can perform data transmission based on the MCS of the sub-frequency domain resource. For example, it can indicate that the terminal device can perform data transmission based on the first frequency domain resource and the first MCS, and also based on the second frequency domain resource and the second MCS.

[0167] Optionally, when the third information indicates enabling data transmission based on the first MCS, it can also be described as the third information indicating enabling data transmission based on the third MCS, or the third information indicating enabling data transmission based on the MCS of the sub-frequency domain resources. Optionally, the third frequency domain resources correspond to the third MCS. In this scenario, the terminal device does not need to execute the above steps 301, 303, and 304. After receiving the third information, the terminal device will transmit data with the network device based on the third frequency domain resources and the third MCS.

[0168] In some examples, this third information is carried in the DCI.

[0169] Optionally, when the third information enables data transmission based on the first MCS, the terminal device sends a fourth information to the network device. Correspondingly, the network device receives the fourth information from the terminal device, which is used to indicate and confirm that data transmission based on the first MCS is enabled. Optionally, the fourth information is confirmation information regarding the third information, which allows the network device to confirm that the terminal device has enabled data transmission based on the first MCS.

[0170] Optionally, the terminal device can be enabled to transmit data based on the first MCS by default. In this scenario, the network device does not need to send third information, thereby saving signaling overhead.

[0171] In some possible implementations, the network-side device sends multiple configuration information messages to the terminal-side device, and correspondingly, the terminal-side device receives multiple configuration information messages from the network-side device. The first message is one of these multiple configuration information messages. This configuration information is a configuration for sub-frequency domain resources allocated in the third frequency domain resource partitioning. Each configuration information message includes the frequency domain performance of its corresponding multiple sub-frequency domain resources. For example, the first message includes the frequency domain performance of the first frequency domain resource and the frequency domain performance of the second frequency domain resource.

[0172] For example, the sub-frequency domain resources divided by the third frequency domain resources corresponding to two of the multiple configuration information can be the same or different.

[0173] For example, when the sub-frequency domain resources corresponding to the third frequency domain resources of configuration information 1 and configuration information 2 are not the same, configuration information 1 divides the third frequency domain resources into two sub-frequency domain resources, namely sub-frequency domain resource 1 and sub-frequency domain resource 2, and configuration information 2 divides the third frequency domain resources into three sub-frequency domain resources, namely sub-frequency domain resource 3, sub-frequency domain resource 4, and sub-frequency domain resource 5. In this case, configuration information 1 includes the frequency domain performance of sub-frequency domain resource 1 and sub-frequency domain resource 2, and configuration information 2 includes the frequency domain performance of sub-frequency domain resource 3, sub-frequency domain resource 4, and sub-frequency domain resource 5.

[0174] For example, when the sub-frequency domain resources corresponding to the third frequency domain resources of configuration information 1 and configuration information 2 are the same, the third frequency domain resources corresponding to configuration information 1 and configuration information 2 are divided into two sub-frequency domain resources, namely sub-frequency domain resource 1 and sub-frequency domain resource 2. In this case, both configuration information 1 and configuration information 2 include the frequency domain performance of sub-frequency domain resource 1 and the frequency domain performance of sub-frequency domain resource 2. However, the frequency domain performance of sub-frequency domain resource 1 included in configuration information 1 and the frequency domain performance of sub-frequency domain resource 1 included in configuration information 2 are not necessarily equal, and the frequency domain performance of sub-frequency domain resource 2 included in configuration information 1 and the frequency domain performance of sub-frequency domain resource 2 included in configuration information 2 are not necessarily equal.

[0175] For example, the configuration information may also include one or more of the following: the number of sub-frequency domain resources in the third frequency domain resource division, the bandwidth length of the sub-frequency domain, the relationship between relative gain and relative MCS, the relationship between frequency domain gain and MCS, the relationship between MCS and modulation order, the relationship between MCS and code rate, the relationship between relative MCS and relative modulation order, or the relationship between relative MCS and relative code rate.

[0176] In some examples, this configuration information can be carried in RRC signaling.

[0177] Optionally, the network-side device can also send a fifth message to the terminal-side device. Correspondingly, the terminal-side device receives the fifth message from the network-side device, which indicates that the configuration of the first message is enabled. Further optionally, this enabling can be described as: activation, or enablement, or update. Based on this fifth message, the network-side device can flexibly select an appropriate configuration according to the actual scenario. Further optionally, this fifth message can be carried in a media access control-control element (MAC CE). Further optionally, the terminal-side device sends a sixth message to the network-side device. Correspondingly, the network-side device receives the sixth message from the terminal-side device, which indicates confirmation of enabling the configuration of the first message. This sixth message is a confirmation message for the fifth message, enabling the network-side device to determine that the terminal-side device has enabled the configuration of the first message.

[0178] With the continuous evolution of large-array technology on the high-frequency base station side, base station beams are becoming narrower and the number of beams is increasing. Because base stations use time-division multiplexing to transmit SSBs using different transmit beams, the energy consumption and latency for terminal access may increase. Simultaneously, base station pilot overhead and scanning latency are also increasing, reducing the opportunity for terminals and base stations to shut down and go into sleep mode. Therefore, frequency-division multiplexing can now be used to transmit SSBs, thereby reducing the energy consumption and latency for terminal access. However, with large transmission bandwidths, performance differences may exist between different frequency bands, leading to deviations in the terminal's SSB measurement results.

[0179] To ensure the accuracy of SSB measurement results, this application proposes a communication method, as shown in Figure 5. This communication method includes steps 501 to 502. The method shown in Figure 5 is applied between a terminal-side device and a network-side device. The terminal-side device can be a terminal equipment, or a processor, module, chip, chip system, or functional module implementing the method. The network-side device can be a network equipment, or a processor, module, chip, chip system, or functional module implementing the method. Wherein:

[0180] 501. The network-side device sends an SSB to the terminal-side device on a frequency domain resource that intersects with the first frequency domain resource. Correspondingly, the terminal-side device measures the SSB on the first frequency domain resource to obtain a first SSB measurement result. The SSB carries first information, which includes the frequency domain performance of the first frequency domain resource.

[0181] In this embodiment, a frequency domain resource that intersects with the first frequency domain resource can also be understood as a frequency domain resource that overlaps with the first frequency domain resource. For example, a frequency domain resource that intersects with the first frequency domain resource is referred to as a fourth frequency domain resource. This fourth frequency domain resource may be a first frequency domain resource; or, the fourth frequency domain resource may include the first frequency domain resource; or, the fourth frequency domain resource may also belong to the first frequency domain resource; or, some frequency domain resources in the fourth frequency domain resource have the same frequency domain position as some frequency domain resources in the first frequency domain resource.

[0182] In some possible implementations, the network-side device uses frequency division multiplexing (FDM) to simultaneously send SSBs to the terminal-side device on frequency domain resources that intersect with the first frequency domain resources, and on frequency domain resources that intersect with the second frequency domain resources. Correspondingly, the terminal-side device simultaneously measures the SSBs on the first frequency domain resources to obtain the first SSB measurement result, and measures the SSBs on the second frequency domain resources to obtain the second SSB measurement result.

[0183] Similarly, frequency domain resources that intersect with the second frequency domain resources can also be understood as frequency domain resources that overlap with the second frequency domain resources.

[0184] For example, the SSB received by the terminal device on the first frequency domain resource is referred to as the first SSB, and the SSB received on the second frequency domain resource is referred to as the second SSB. Optionally, the first information carried by both the first SSB and the second SSB includes the frequency domain performance of the first and second frequency domain resources; or, the first information carried by the first SSB includes the frequency domain performance of the first frequency domain resource, and the first information carried by the second SSB includes the frequency domain performance of the second frequency domain resource. In this scenario, the first information carried by the first SSB may not need to include the frequency domain performance of the second frequency domain resource, and similarly, the first information carried by the second SSB may not need to include the frequency domain performance of the first frequency domain resource, which helps to save overhead.

[0185] Optionally, the first and second frequency domain resources belong to the third frequency domain resources. The third frequency domain resources are the frequency domain resources used by the network-side device and the terminal-side device for transmission. For example, the network-side device can also send a DCI to the terminal-side device, which indicates the third frequency domain resources. For instance, the third frequency domain resources can be divided into multiple sub-frequency domain resources, and the first and second frequency domain resources are two of the multiple sub-frequency domain resources included in the third frequency domain resources.

[0186] Optionally, when the number of sub-frequency domain resources included in the third frequency domain resource is greater than two, the first information can also be used to indicate the frequency domain performance of other sub-frequency domain resources besides the first and second frequency domain resources. Alternatively, the first information can indicate the frequency domain performance of all or part of the sub-frequency domain resources included in the third frequency domain resource.

[0187] Optionally, this third frequency domain resource can also be referred to as transmission bandwidth. Transmission bandwidth refers to the bandwidth for data transmission between the network-side device and the terminal-side device. For example, this transmission bandwidth corresponds to multiple sub-frequency domain resources, which may be all or partly located on the transmission bandwidth. The first frequency domain resource and the second frequency domain resource can be two of the multiple sub-frequency domain resources.

[0188] Optionally, the bandwidth of each sub-frequency domain resource in the third frequency domain resource is equal, or the bandwidth of any two sub-frequency domain resources among the multiple sub-frequency domain resources included in the third frequency domain resource is not necessarily equal. For relevant examples, please refer to the description above regarding Figure 4.

[0189] In some possible implementations, frequency domain performance includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS. The definition of frequency domain performance can be found in the descriptions of the above embodiments and will not be repeated here.

[0190] In some possible implementations, the first information is further used to indicate the bandwidth of the first frequency domain resource. Optionally, the first information is further used to indicate the bandwidth of the second frequency domain resource. Alternatively, the first information is further used to indicate the bandwidth of all or some of the sub-frequency domain resources among the plurality of sub-frequency domain resources included in the third frequency domain resource.

[0191] In some possible implementations, the first information is also used to indicate a first quantity, which is the number of sub-frequency domain resources included in the third frequency domain resource; or, the first quantity is the number of sub-frequency domain resources corresponding to the first information, for example, the first quantity is M, and the first information can be used to indicate the frequency domain performance of M sub-frequency domain resources, where M is a positive integer greater than 1; for another example, when the first information only indicates the frequency domain performance of the first frequency domain resource and the frequency domain performance of the second frequency domain resource, the first quantity is 2.

[0192] In conjunction with the implementation methods described above, in some examples, the bandwidth of any two sub-frequency domain resources among the multiple sub-frequency domain resources included in the third frequency domain resource is equal. Optionally, in this scenario, when the first information indicates the first quantity, it is not necessary to indicate the bandwidth of the sub-frequency domain resources (e.g., the first frequency domain resource and the second frequency domain resource). The terminal device can determine the number of sub-frequency domain bandwidths included in the third frequency domain resource based on the first quantity and the bandwidth of the third frequency domain resource.

[0193] 502. The terminal device corrects the first SSB measurement result based on the first information, which includes the frequency domain performance of the first frequency domain resource.

[0194] Furthermore, step 502 can also be described as the terminal device correcting the first SSB measurement result based on the frequency domain performance of the first frequency domain resource.

[0195] In some possible implementations, when the first information indicates the relative gain of the first frequency domain resource, the terminal device can correct the first SSB measurement result based on the relative gain of the first frequency domain resource.

[0196] In some possible implementations, the first information indicates the frequency domain gain and / or relative MCS of the first frequency domain resource. When the terminal-side device corrects the first SSB measurement result, it can perform the following operations 1 and 2:

[0197] Operation 1: The terminal device determines the relative gain based on the frequency domain gain and / or relative MCS of the first frequency domain resource.

[0198] Operation 2: The terminal device corrects the first SSB measurement result based on the relative gain.

[0199] Optionally, determining the relative gain in operation 1 described above can be implemented using the method described in the following example:

[0200] Example 1: When the first information indicates the frequency domain gain of the first frequency domain resource, the terminal device can determine the relative gain of the first frequency domain resource based on the frequency domain gain of the third frequency domain resource and the frequency domain gain of the first frequency domain resource. Optionally, the relative gain of the first frequency domain resource is the difference between the frequency domain gain of the third frequency domain resource and the frequency domain gain of the first frequency domain resource.

[0201] Example 2: When the first information indicates the relative MCS of the first frequency domain resource, the terminal device can determine the relative gain of the first frequency domain resource based on the relative MCS of the first frequency domain resource and the relationship between the relative gain and the relative MCS.

[0202] The relationship between relative gain and relative MCS can be described in the above embodiments and will not be repeated here.

[0203] Example 3: When the first information indicates the relative MCS of the first frequency domain resource, the terminal device can determine the first MCS based on the third MCS and the relative MCS of the first frequency domain resource; then, the terminal device can determine the frequency domain gain of the first frequency domain resource based on the first MCS and the relationship between frequency domain gain and MCS; then, the terminal device can determine the relative gain of the first frequency domain resource based on the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource.

[0204] Wherein, the first MCS is the MCS used by the first frequency domain resource, and the third MCS is the MCS corresponding to the third frequency domain resource. For a description of the relationship between the first MCS, the third MCS, and the frequency domain gain and the MCS, please refer to the above embodiments, which will not be repeated here.

[0205] Optionally, the terminal-side device can further correct the second SSB measurement result based on the first information, wherein the second SSB measurement result is obtained by the terminal-side device measuring the SSB on the second frequency domain resource. Alternatively, it can be further described that the terminal-side device can also correct the second SSB measurement result based on the frequency domain performance of the second frequency domain resource. The method by which the terminal-side device corrects the second SSB measurement result based on the first information is the same as the method described above for correcting the first SSB measurement result based on the first information, and will not be repeated here.

[0206] Based on the method described in the embodiments of this application, correcting the first SSB measurement result with first information is beneficial to improving the accuracy of the first SSB measurement result.

[0207] It should be noted that the communication method described in Figure 5 can be combined with the communication method described in Figure 3 above, or it can be used as an independent embodiment. This application does not limit it in this regard.

[0208] The following describes the communication device provided in the embodiments of this application.

[0209] This application divides the communication device into functional modules according to the above-described method embodiments. For example, each function can be divided into its own functional modules, or two or more functions can be integrated into one processing module. The integrated modules can be implemented in hardware or as software functional modules. It should be noted that the module division in this application is illustrative and represents only one logical functional division; in actual implementation, other division methods may be used. The communication device of this application embodiment will be described in detail below with reference to Figures 6 to 8.

[0210] Figure 6 is a schematic diagram of a communication device provided in an embodiment of this application. As shown in Figure 6, the communication device includes a processing module 601 and a transceiver module 602. The transceiver module 602 can implement corresponding communication functions, and the processing module 601 is used to implement corresponding processing functions. For example, the transceiver module 602 can also be called an interface, a communication interface, or a communication module, etc.

[0211] In this embodiment, the communication device can be used to perform the actions performed by the terminal-side device in the above method embodiment. In this case, the terminal-side device can be the terminal-side device itself or a chip or functional module configurable within the terminal-side device. The transceiver module 602 is used to perform transceiver-related operations of the terminal-side device in the above method embodiment, and the processing module 601 is used to perform processing-related operations of the terminal-side device in the above method embodiment.

[0212] In some embodiments, the transceiver module 602 is configured to receive first information from a network-side device, the first information indicating the frequency domain performance of a first frequency domain resource and the frequency domain performance of a second frequency domain resource; the transceiver module 602 is also configured to receive second information from the network-side device, the second information indicating a third frequency domain resource and a third MCS corresponding to the third frequency domain resource, the third frequency domain resource including the first frequency domain resource and the second frequency domain resource; the processing module 601 is configured to determine a first MCS based on the first information and the third MCS; the transceiver module 602 is also configured to perform data transmission with the network-side device based on the first frequency domain resource and the first MCS.

[0213] In some embodiments, the transceiver module 602 is used to measure the SSB on the first frequency domain resource to obtain a first SSB measurement result. The SSB carries first information, which is used to indicate the frequency domain performance of the first frequency domain resource. The processing module 601 is used to correct the first SSB measurement result based on the first information.

[0214] In this embodiment, the communication device can be used to perform the actions performed by the network-side device in the above method embodiment. In this case, the network-side device can be the network-side device itself or a chip or functional module configurable within the network-side device. The transceiver module 602 is used to perform transceiver-related operations of the network-side device in the above method embodiment, and the processing module 601 is used to perform processing-related operations of the network-side device in the above method embodiment.

[0215] In some embodiments, the transceiver module 602 is configured to send first information to the terminal device, the first information indicating the frequency domain performance of the first frequency domain resource and the frequency domain performance of the second frequency domain resource; the transceiver module 602 is further configured to send second information to the terminal device, the second information indicating a third frequency domain resource and a third MCS corresponding to the third frequency domain resource, the third frequency domain resource including the first frequency domain resource and the second frequency domain resource, the first information and the third MCS being used to determine the first MCS; the transceiver module 602 is further configured to perform data transmission with the terminal device based on the first MCS.

[0216] In some embodiments, the transceiver module 602 is configured to transmit an SSB on a first frequency domain resource. The SSB carries first information, which is used to indicate the frequency domain performance of the first frequency domain resource.

[0217] Optionally, in the above embodiments, the communication device may further include a storage module, which can be used to store instructions and / or data. The processing module 601 can read the instructions and / or data in the storage module so that the communication device can implement the aforementioned method embodiments.

[0218] The specific descriptions of the send / receive module and the processing module are for illustrative purposes only. For the specific functions or execution steps of the send / receive module and the processing module, please refer to the above method implementation examples, which will not be detailed here.

[0219] The communication device of this application embodiment has been described above. The following describes possible product forms of the communication device. Any product possessing the functions of the communication device described in FIG. 6 above falls within the protection scope of this application embodiment. The following description is merely illustrative and does not limit the product form of the communication device of this application embodiment to this.

[0220] In one possible implementation, in the communication device shown in FIG6, the processing module 601 can be one or more processing circuits, and the transceiver module 602 can be a transceiver circuit. Alternatively, the transceiver module 602 can also be a transmitting module and a receiving module. The transmitting module can be a transmitting circuit, and the receiving module can be a receiving circuit, which are integrated into one device, such as a transceiver circuit. In the embodiments of this application, the processing circuit and the transceiver circuit can be coupled, etc. The connection method of the processing circuit and the transceiver circuit is not limited in the embodiments of this application. In the process of performing the above method, the process of sending information in the above method can be the process of the processing circuit outputting the above information. When outputting the above information, the processing circuit outputs the above information to the transceiver circuit so that the transceiver circuit can transmit (or output). After the above information is output by the processing circuit, it may need to undergo other processing before reaching the transceiver circuit. Similarly, the process of receiving information in the above method can be the process of the processing circuit receiving the input above information. When the processing circuit receives the input information, the transceiver circuit receives the above information and inputs it into the processing circuit. Furthermore, after the transceiver circuit receives the aforementioned information, the information may need to undergo further processing before being input into the processing circuit.

[0221] Figure 7 is a schematic diagram of a communication device provided in an embodiment of this application. As shown in Figure 7, the communication device 70 includes one or more processing circuits 720 and transceiver circuits 710.

[0222] In some embodiments of this application, the communication device can be used to perform the steps, methods, or functions performed by the terminal-side device described above. For example, the processing circuit 720 can be used to perform the functions or steps implemented by the processing module 601 shown in FIG. 6, and the transceiver circuit 710 can be used to perform the functions or steps implemented by the transceiver module 602 shown in FIG. 6. For a detailed description of the processing circuit 720 and the transceiver circuit 710, please refer to FIG. 6 or the method embodiments shown above, which will not be described in detail here.

[0223] In other embodiments of this application, the communication device is used to perform the steps, methods, or functions performed by the network-side device described above. For example, the processing circuit 720 can be used to perform the functions or steps implemented by the processing module 601 shown in FIG. 6, and the transceiver circuit 710 can be used to perform the functions or steps implemented by the transceiver module 602 shown in FIG. 6. Detailed descriptions of the processing circuit 720 and the transceiver circuit 710 can be found in FIG. 6 or the method embodiments shown above, and will not be elaborated further here.

[0224] For example, the processing circuitry may be one or more processors, or all or part of the circuitry within one or more processors. The transceiver circuitry may be a transceiver, an input / output circuit, or an interface circuit, etc.

[0225] For example, in various implementations of the communication device shown in FIG7, the transceiver circuit may include a receiver for performing a receiving function (or operation) and a transmitter for performing a transmitting function (or operation). The transceiver circuit is also used to communicate with other devices / communication devices via a transmission medium.

[0226] Optionally, the communication device 70 may further include one or more memories 730 for storing program instructions and / or data. The memory 730 is coupled to the processing circuitry 720. The coupling in this embodiment is an indirect coupling or communication connection between communication devices, units, or modules, and can be electrical, mechanical, or other forms, used for information exchange between the communication devices, units, or modules. The processing circuitry 720 may operate in conjunction with the memory 730. The processing circuitry 720 may execute the program instructions stored in the memory 730. Optionally, at least one of the above-mentioned memories may be included in the processing circuitry.

[0227] This application embodiment does not limit the specific connection medium between the transceiver circuit 710, processing circuit 720, and memory 730. In this application embodiment, the memory 730, processing circuit 720, and transceiver circuit 710 are connected via a bus 740 in Figure 7. The bus is represented by a thick line in Figure 7. The connection methods between other components are only for illustrative purposes and are not intended to be limiting. The bus can be divided into address bus, data bus, control bus, etc. For ease of illustration, only one thick line is used in Figure 7, but this does not mean that there is only one bus or one type of bus.

[0228] In the embodiments of this application, the processing circuit may be a general-purpose processing circuit, a digital signal processing circuit, an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc., and can implement or execute the various methods, steps, and logic block diagrams in the embodiments of this application. The general-purpose processing circuit may be a microprocessor circuit or any conventional processing circuit, etc. The steps of the methods in conjunction with the embodiments of this application can be directly manifested as the execution of the hardware processing circuit, or the execution of the steps by combining hardware and software modules in the processing circuit, etc.

[0229] In this application embodiment, the memory may include, but is not limited to, non-volatile memory such as hard disk drive (HDD) or solid-state drive (SSD), random access memory (RAM), erasable programmable read-only memory (EPROM), read-only memory (ROM), or compact disc read-only memory (CD-ROM), etc. Memory is any storage medium capable of carrying or storing program code in the form of instructions or data structures, and capable of being read and / or written by a computer (such as the communication device shown in this application), but is not limited to these. The memory in this application embodiment may also be a circuit or any other communication device capable of implementing storage functions, used to store program instructions and / or data.

[0230] For example, the processing circuit 720 is mainly used to process communication protocols and communication data, control the entire communication device, execute software programs, and process the data of the software programs. The memory 730 is mainly used to store software programs and data. The transceiver circuit 710 may include a control circuit and an antenna. The control circuit is mainly used for converting baseband signals to radio frequency signals and processing radio frequency signals. The antenna is mainly used for transmitting and receiving radio frequency signals in the form of electromagnetic waves. Input / output communication devices, such as touch screens, displays, and keyboards, are mainly used to receive user input data and output data to the user.

[0231] When the communication device is powered on, the processing circuit 720 can read the software program in the memory 730, interpret and execute the instructions of the software program, and process the data of the software program. When data needs to be transmitted wirelessly, the processing circuit 720 performs baseband processing on the data to be transmitted and outputs the baseband signal to the radio frequency (RF) circuit. The RF circuit then performs RF processing on the baseband signal and transmits the RF signal outward in the form of electromagnetic waves through the antenna. When data is sent to the communication device, the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processing circuit 720. The processing circuit 720 converts the baseband signal back into data and processes the data.

[0232] In another implementation, the radio frequency circuit and antenna can be set up independently of the processing circuit that performs baseband processing. For example, in a distributed scenario, the radio frequency circuit and antenna can be arranged in a remote manner, independent of the communication device.

[0233] The communication device shown in this application embodiment may also have more components than those in Figure 7, and this application embodiment does not limit this. The methods performed by the processing circuit and transceiver circuit shown above are only examples, and the specific steps performed by the processing circuit and transceiver circuit can be referred to the methods described above.

[0234] In another possible implementation, in the communication device shown in Figure 6, the processing module 601 can be one or more logic circuits, and the transceiver module 602 can be an input / output interface, or a communication interface, or an interface circuit, or an interface, etc. Alternatively, the transceiver module 602 can also be a sending module and a receiving module, where the sending module can be an output interface and the receiving module can be an input interface, and the sending module and receiving module are integrated into one module, such as an input / output interface.

[0235] Figure 8 is a schematic diagram of a communication device provided in an embodiment of this application. As shown in Figure 8, the communication device includes a logic circuit 801 and an interface circuit 802. That is, the processing module 601 can be implemented using the logic circuit 801, and the transceiver module 602 can be implemented using the interface circuit 802. The logic circuit 801 can be a chip, processing circuit, integrated circuit, or system-on-chip (SoC) chip, etc., and the interface circuit 802 can be a communication interface, input / output interface, pins, etc. For example, Figure 8 illustrates the communication device as a chip, which includes the logic circuit 801 and the interface circuit 802.

[0236] In this embodiment, the logic circuit and the interface can also be coupled to each other. The specific connection method of the logic circuit and the interface is not limited in this embodiment. For example, the logic circuit 801 can be used to execute the functions or steps implemented by the processing module 601 shown in FIG. 6, and the interface circuit 802 can be used to execute the functions or steps implemented by the transceiver module 602 shown in FIG. 6. For a detailed description of the logic circuit 801 and the interface circuit 802, please refer to FIG. 6 or the method embodiment shown above, which will not be detailed here.

[0237] The communication device shown in the embodiments of this application can implement the method provided in the embodiments of this application in hardware form or in software form, etc., and the embodiments of this application do not limit it in this way.

[0238] This application also provides a communication system, which includes a terminal-side device and a network-side device, which can be used to execute the methods in any of the foregoing embodiments.

[0239] In addition, this application also provides a computer program for implementing the operations and / or processes performed by various communication devices in the method provided in this application.

[0240] This application also provides a computer-readable storage medium storing computer code that, when executed on a computer, causes the computer to perform the operations and / or processes performed by various communication devices in the methods provided in this application.

[0241] This application also provides a computer program product comprising computer code or a computer program that, when run on a computer, causes the operations and / or processes performed by various entities in the method provided in this application to be executed.

[0242] In the embodiments provided in this application, it should be understood that the disclosed systems, communication devices, and methods can be implemented in other ways. For example, the communication device embodiments described above are merely illustrative. For instance, the division of modules is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple modules or components may be combined or integrated into another system, or some features may be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, communication devices, or modules, or it may be an electrical, mechanical, or other form of connection.

[0243] The modules described as separate components may or may not be physically separate. The components shown as modules may or may not be physical modules; that is, they may be located in one place or distributed across multiple network modules. Some or all of the modules can be selected according to actual needs to achieve the technical effects of the solutions provided in the embodiments of this application.

[0244] Furthermore, the functional modules in the various embodiments of this application can be integrated into one processing module, or each module can exist physically separately, or two or more modules can be integrated into one module. The integrated modules described above can be implemented in hardware or as software functional modules.

[0245] If the integrated module is implemented as a software functional module and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a readable storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned readable storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0246] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A communication method, characterized in that, The method includes: Receive first information from a network-side device, the first information being used to indicate the frequency domain performance of a first frequency domain resource and the frequency domain performance of a second frequency domain resource; The system receives second information from the network-side device, the second information indicating a third frequency domain resource and a third modulation and coding scheme (MCS) corresponding to the third frequency domain resource, the third frequency domain resource including the first frequency domain resource and the second frequency domain resource; The first MCS is determined based on the first information and the third MCS; Data transmission is performed with the network-side device based on the first frequency domain resources and the first MCS.

2. The method according to claim 1, characterized in that, The frequency domain performance of the first frequency domain resource includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS; Wherein, the frequency domain gain is used to indicate the overall performance of the first frequency domain resource; the relative gain is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; the relative MCS is used to determine the first MCS in combination with the third MCS.

3. The method according to claim 2, characterized in that, The frequency domain performance refers to frequency domain gain and / or relative gain. The step of determining the first MCS based on the first information and the third MCS includes: The relative MCS is determined based on the frequency domain gain and / or relative gain; The first MCS is determined based on the relative MCS and the third MCS.

4. The method according to claim 3, characterized in that, The first information is also used to indicate the relationship between frequency domain gain and MCS, and / or the relationship between relative gain and relative MCS.

5. The method according to any one of claims 2 to 4, characterized in that, The first information is also used to indicate one or more of the following relationships: the relationship between MCS and modulation order, the relationship between MCS and code rate, the relationship between relative MCS and relative modulation order, or the relationship between relative MCS and relative code rate.

6. The method according to any one of claims 1 to 5, characterized in that, The first information is also used to indicate the bandwidth of the first frequency domain resource.

7. The method according to any one of claims 1 to 6, characterized in that, The first information is carried in the synchronization signal and the Physical Broadcast Channel Block (SSB) or Radio Resource Control (RRC) signaling.

8. The method according to any one of claims 1 to 7, characterized in that, The method further includes: Receive third information from the network-side device, the third information indicating that data transmission based on the first MCS is enabled.

9. The method according to claim 8, characterized in that, The method further includes: A fourth message is sent to the network-side device, the fourth message being used to indicate that data transmission based on the first MCS is enabled.

10. The method according to any one of claims 1 to 9, characterized in that, The receipt of the first information from the network-side device includes: Receive multiple configuration information from a network-side device, wherein the first information is one of the multiple configuration information.

11. The method according to claim 10, characterized in that, The method further includes: The fifth information is received from the network-side device, the fifth information being used to indicate the configuration that enables the first information.

12. The method according to claim 11, characterized in that, The method further includes: A sixth message is sent to the network-side device, the sixth message being used to indicate that the configuration of the first message is enabled.

13. The method according to any one of claims 1 to 12, characterized in that, The second information is carried in the downlink control information (DCI).

14. A communication method, characterized in that, The method includes: Send first information to the terminal device, the first information being used to indicate the frequency domain performance of the first frequency domain resource and the frequency domain performance of the second frequency domain resource; Send second information to the terminal device, the second information indicating a third frequency domain resource and a third modulation and coding scheme (MCS) corresponding to the third frequency domain resource, the third frequency domain resource including the first frequency domain resource and the second frequency domain resource, the first information and the third MCS being used to determine the first MCS; Data transmission is performed between the first MCS and the terminal device.

15. The method according to claim 14, characterized in that, The frequency domain performance includes one or more of the following parameters: frequency domain gain, relative gain, or relative MCS; Wherein, the frequency domain gain is used to indicate the overall performance of the first frequency domain resource; the relative gain is the difference or quotient between the frequency domain gain of the first frequency domain resource and the frequency domain gain of the third frequency domain resource; the relative MCS is used to determine the first MCS in combination with the third MCS.

16. The method according to claim 14, characterized in that, The first information is also used to indicate the relationship between frequency domain gain and MCS, and / or the relationship between relative gain and relative MCS.

17. The method according to claim 15 or 16, characterized in that, The first information is also used to indicate one or more of the following relationships: the relationship between MCS and modulation order, the relationship between MCS and code rate, the relationship between relative MCS and relative modulation order, or the relationship between relative MCS and relative code rate.

18. The method according to any one of claims 14 to 17, characterized in that, The first information is also used to indicate the bandwidth of the first frequency domain resource.

19. The method according to any one of claims 14 to 18, characterized in that, The first information is carried in the synchronization signal and the Physical Broadcast Channel Block (SSB) or Radio Resource Control (RRC) signaling.

20. The method according to any one of claims 14 to 19, characterized in that, The method further includes: A third message is sent to the terminal device, the third message indicating that data transmission based on the first MCS is enabled.

21. The method according to claim 19, characterized in that, The method further includes: The terminal device receives a fourth message, which indicates that data transmission based on the first MCS is enabled.

22. The method according to any one of claims 14 to 21, characterized in that, Sending the first information to the terminal device includes: Multiple configuration information is sent to the terminal device, and the first information is one of the multiple configuration information.

23. The method according to claim 22, characterized in that, The method further includes: A fifth message is sent to the terminal device, the fifth message being used to indicate the configuration that enables the first message.

24. The method according to claim 23, characterized in that, The method further includes: The sixth message is received from the terminal device, the sixth message being used to indicate the configuration of enabling the first message.

25. The method according to any one of claims 14 to 24, characterized in that, The second information is carried in the downlink control information (DCI).

26. A communication device, characterized in that, The apparatus includes modules or units for performing the method according to any one of claims 1 to 13.

27. A communication device, characterized in that, The apparatus includes modules or units for performing the method according to any one of claims 14 to 25.

28. A communication device, characterized in that, It includes one or more processors, said one or more processors being configured to execute computer programs or instructions that cause the communication device to implement the method as described in any one of claims 1 to 13, or to implement the method as described in any one of claims 14 to 25.

29. The communication device according to claim 18, characterized in that, It also includes a memory for storing the computer program or instructions.

30. A computer-readable storage medium, characterized in that, The storage medium stores a computer program or instructions, which, when executed, perform the method as described in any one of claims 1 to 13, or the method as described in any one of claims 14 to 25.

31. A computer program product, characterized in that, It includes a computer program or instructions, which, when executed, perform the method as described in any one of claims 1 to 13, or the method as described in any one of claims 14 to 25.

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