WO2025148715A1 - Communication method and apparatus - Google Patents

Abstract

The embodiments of the present application provide a communication method. The method comprises: determining a first frequency domain range on the basis of a first control resource, wherein the first frequency domain range is a partial frequency domain range in the operating bandwidth of a terminal device; the terminal device has a plurality of operating modes; a first operating mode comprises receiving first data of the terminal device on a first time-frequency resource within the first frequency domain range; the distance in a time domain between the first time-frequency resource and the first control resource is less than or equal to a first threshold; a second operating mode comprises receiving second data of the terminal device on a second time-frequency resource within the frequency domain range of the operating bandwidth; and the distance in the time domain between the second time-frequency resource and the first control resource is greater than the first threshold, such that a range in which data is received can be corelated with a distance in the time domain from a control resource, reducing the power consumption of monitoring.

Description

A communication method and device

This application claims the priority of the Chinese patent application filed with the State Intellectual Property Office of China on January 8, 2024, with application number 202410029682.2, and the priority of the Chinese patent application with the invention name “A communication method and device”, all contents of which are incorporated by reference in this application.

Technical Field

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

Background Art

When receiving downlink data, the terminal device monitors all frequency bands of the large bandwidth and performs blind detection on the control resources (Search Space, SS) in the control channel resource set (control resource set, CORESET) to obtain downlink control information (downlink control information) to ensure timely reception of downlink data. However, monitoring the large bandwidth consumes a lot of power.

Therefore, how to save monitoring power consumption becomes an urgent problem to be solved.

Summary of the invention

The present application provides a communication method and device, which can reduce the monitoring frequency band range and save monitoring power consumption.

In a first aspect, a communication method is provided, the method comprising: determining a first frequency domain range according to a first control resource of a terminal device, wherein the first frequency domain range is a partial frequency domain range within a working bandwidth of the terminal device; using a first working mode, the first working mode comprising receiving first data of a terminal device on a first time-frequency resource within the first frequency domain range, wherein a distance in the time domain between the first time-frequency resource and the first control resource is less than or equal to a first threshold, and using a second working mode, the second working mode comprising receiving second data of a terminal device on a second time-frequency resource within the frequency domain range of the working bandwidth, wherein a distance in the time domain between the second time-frequency resource and the first control resource is greater than the first threshold,

or,

A first working mode is used, wherein the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to a first threshold, or the first control resource and the first time-frequency resource are in the same time slot; a second working mode is used, wherein the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold, wherein the first threshold is preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol preset thresholds.

The above method is performed by a communication device, which may be a terminal device or a device capable of supporting the terminal device to implement the function, such as a chip system or a chip, which may be installed in the terminal device. In the embodiment of the present application, the chip system may be composed of a chip, or may include a chip and other discrete devices.

In an embodiment of the present application, the terminal device has different working modes and can switch the working mode as needed. When working in the first working mode, the desired data is received within the first frequency domain range, which reduces the monitored frequency band range compared to the second working mode, thereby saving monitoring power consumption.

In combination with the first aspect, in certain implementations of the first aspect, the first frequency domain range is the same as the frequency domain range of the first control resource.

In combination with the first aspect, in certain implementations of the first aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located.

In combination with the first aspect, in certain implementations of the first aspect, the first frequency domain range is the same as the frequency domain range of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, wherein the distance between the first control resource and the second control resource in the time domain is less than or equal to a second threshold, or the first control resource and the second control resource are in the same time slot.

In combination with the first aspect, in certain implementations of the first aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, wherein the distance between the first control resource and the second control resource in the time domain is less than or equal to a second threshold, or the first control resource and the second control resource are in the same time slot.

In the embodiment of the present application, when multiple control resources are close in time domain, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure the terminal device's monitoring of control information and ensure communication reliability.

In combination with the first aspect, in certain implementations of the first aspect, the first control resource is before the first time-frequency resource in the time domain, and the method also includes: receiving downlink control information on a third time-frequency resource, wherein the third time-frequency resource is located within the first frequency domain and within the third control resource, the third control resource is after the first time-frequency resource in the time domain and the distance between the third control resource and the first time-frequency resource in the time domain is less than or equal to a third threshold, or the third control resource and the first time-frequency resource are in the same time slot in the time domain.

In an embodiment of the present application, when the control resources after the data are close to the time-frequency resources where the data is located in the time domain, the terminal device can only receive downlink control information within the first frequency domain, thereby reducing the monitoring bandwidth and saving monitoring power consumption.

In combination with the first aspect, in some implementations of the first aspect, the method further includes: sending first information, where the first information is used to indicate that the terminal device supports the first working mode.

In combination with the first aspect, in some implementations of the first aspect, the method further includes: receiving second information, where the second information is used to enable the first working mode of the terminal device.

In combination with the first aspect, in certain implementations of the first aspect, the method also includes: stopping monitoring other frequency domain ranges within the working bandwidth except the first frequency domain range within a range where the distance in the time domain from the first control resource is less than or equal to a first threshold, or within the same time slot as the first control resource.

In the embodiment of the present application, the terminal device only monitors downlink data within the first frequency domain, which greatly reduces the monitoring range while ensuring normal reception of data and saves power consumption of monitoring.

In a second aspect, a communication method is provided, the method comprising: determining a first frequency domain range of a first time-frequency resource of first data of a terminal device according to a first control resource of the terminal device, wherein the first frequency domain range is a partial frequency domain range within a working bandwidth of the terminal device,

When the distance between the first time-frequency resource and the first control resource in the time domain is less than or equal to the first threshold, the first working mode is used, and the first working mode includes sending the first data of the terminal device on the first time-frequency resource within the first frequency domain. When the distance between the second time-frequency resource and the first control resource in the time domain is greater than the first threshold, the second working mode is used, and the second working mode includes sending the second data of the terminal device on the second time-frequency resource within the frequency domain of the working bandwidth.

or,

When the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot, the first working mode is used; when the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than the first threshold, the second working mode is used, wherein the first threshold is preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of protocol preset thresholds.

The method may be executed by a communication device, wherein the communication device may be a network device, or may be a chip or circuit used for a network device, which is not limited in the present application.

In an embodiment of the present application, when sending the first data of a terminal device, there are multiple working modes. In the first working mode, the frequency domain range for sending the data is determined based on the time-frequency resources occupied by the data and the control resources that are closer, so that the terminal device does not have to monitor the entire bandwidth, so that the terminal device can save power consumption for monitoring.

In combination with the second aspect, in certain implementations of the second aspect, the first frequency domain range is the same as the frequency domain range of the first control resource.

In combination with the second aspect, in certain implementations of the second aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located.

In combination with the second aspect, in certain implementations of the second aspect, the first frequency domain range is the same as the frequency domain range of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, wherein the second control resource is the control resource that was previous to the first control resource, and the distance in the time domain between the first control resource and the second control resource is less than or equal to a second threshold, or the first control resource and the second control resource are in the same time slot.

In combination with the second aspect, in certain implementations of the second aspect, the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, wherein the second control resource is the control resource that was previous to the first control resource, and the distance in the time domain between the first control resource and the second control resource is less than or equal to a second threshold, or the first control resource and the second control resource are in the same time slot.

In the embodiment of the present application, when multiple control resources are close in time domain, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure the terminal device's monitoring of control information and ensure communication reliability.

In combination with the second aspect, in certain implementations of the second aspect, the first control resource is before the first time-frequency resource in the time domain, and the method also includes: sending downlink control information on the second time-frequency resource in the third control resource within the first frequency domain, wherein the third control resource is after the first time-frequency resource in the time domain and the distance between the third control resource and the first time-frequency resource in the time domain is less than or equal to a third threshold, or the third control resource and the first time-frequency resource are in the same time slot in the time domain.

In an embodiment of the present application, when the control resources after the data are close to the time-frequency resources where the data is located in the time domain, downlink control information can be sent only within the first frequency domain, thereby reducing the monitoring bandwidth of the terminal device and allowing the terminal device to save monitoring power consumption.

In combination with the second aspect, in some implementations of the second aspect, the method further includes: receiving first information, where the first information is used to indicate that the terminal device supports the first working mode.

In combination with the second aspect, in some implementations of the second aspect, the method further includes: sending second information, where the second information is used to enable the first working mode of the terminal device.

In a third aspect, a communication device is provided, the device being used to execute the method provided in any one of the first aspect or the second aspect. Specifically, the device may include a unit and/or module, such as a processing unit and/or a communication unit, for executing the method provided in any one of the implementations of the first aspect or the second aspect.

In one implementation, the apparatus is a communication device (such as a receiving device or a transmitting device). When the apparatus is a communication device, the communication unit may be a transceiver, or an input/output interface; the processing unit may be at least one processing circuit, such as a processor or a circuit in a processor for processing functions. Optionally, the transceiver may be a transceiver circuit. Optionally, the input/output interface may be an input/output circuit.

In another implementation, the device is a chip, a chip system or a circuit used in a communication device. When the device is a chip, a chip system or a circuit used in a terminal device, the communication unit may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip, the chip system or the circuit; the processing unit may be at least one processor, a processing circuit or a logic circuit.

In a fourth aspect, a communication device is provided, the device comprising: at least one processing circuit, configured to execute a method provided in any implementation of any one of the first aspect or the second aspect.

In one implementation, the apparatus is a communication device (such as a network device or a terminal device).

In another implementation, the apparatus is a chip, a chip system or a circuit used in a communication device.

The communication device may include a transceiver circuit. When the device is a communication device, the transceiver circuit may be a transceiver. When the device is a chip, a chip system or a circuit for a communication device, the transceiver circuit may be an interface circuit or an input-output circuit.

Optionally, the at least one processing circuit can be used to execute a computer program or instruction stored in the memory to execute the method provided in any implementation of any one of the first aspect or the second aspect. The memory can be located inside the communication device or outside the communication device.

Optionally, the communication device also includes the memory.

In a fifth aspect, the present application provides a processing circuit (or processor) for executing the methods provided in the above aspects.

For operations such as sending and acquiring/receiving involved in the processing circuit (or processor), unless otherwise specified, or if they do not conflict with their actual function or internal logic in the relevant description, they can be understood as operations such as processing circuit output and input, or as sending and receiving operations performed by the radio frequency circuit and antenna, and this application does not limit this.

In a sixth aspect, a computer-readable storage medium is provided, which stores a program code for execution by a device, wherein the program code includes a method provided by any implementation of any aspect of the first aspect or the second aspect.

In a seventh aspect, a computer program product comprising instructions is provided. When the computer program product is run on a computer, the computer is enabled to execute a method provided by any implementation of any one of the first or second aspects.

In an eighth aspect, a chip is provided, the chip comprising a processing circuit and a communication interface, the processing circuit reads instructions stored in a memory through the communication interface, and executes a method provided by any implementation of any aspect of the first aspect or the second aspect.

Optionally, as an implementation method, the chip also includes a memory, in which a computer program or instructions are stored, and the processing circuit is used to execute the computer program or instructions stored in the memory. When the computer program or instructions are executed, the processing circuit is used to execute the method provided in any implementation method of any aspect of the first aspect or the second aspect mentioned above.

In a ninth aspect, a communication system is provided, comprising the aforementioned communication device, such as a communication device that executes the method provided in any one of the implementations in the first aspect, and a communication device that executes the method provided in any one of the implementations in the second aspect.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of an exemplary communication scenario of an embodiment of the present application.

FIG. 2 is an exemplary schematic diagram of control resources according to an embodiment of the present application.

FIG. 3 is a schematic diagram of a communication method according to an embodiment of the present application.

FIG. 4 is a schematic diagram of a communication method according to another embodiment of the present application.

FIG5 is a schematic diagram of a communication method provided in yet another embodiment of the present application.

FIG6 is a schematic diagram of a communication method provided in an embodiment of the present application.

FIG. 7 is a schematic diagram of a communication device provided in an embodiment of the present application.

FIG8 is a schematic diagram of a communication device provided in an embodiment of the present application.

DETAILED DESCRIPTION

The technical solution in this application will be described below in conjunction with the accompanying drawings.

The technical solution provided in this application can be applied to various communication systems, such as: the fifth generation (5th generation, 5G) or new radio (new radio, NR) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, etc. The technical solution provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system. The technical solution provided in this application can also be applied to sidelink (SL) communication, vehicle-to-everything (V2X) communication, machine-to-machine (M2M) communication, machine type communication (machine type communication, MTC), and Internet of Things (IoT) communication system or other communication systems. As an example, V2X may include vehicle-to-vehicle (V2V), vehicle-to-pedestrian (V2P), and vehicle-to-infrastructure (V2I), where the infrastructure is, for example, a road side unit (RSU) or a network device.

The terminal devices in the embodiments of the present application include various devices with wireless communication functions, which can be used to connect people, objects, machines, etc. The terminal devices can be widely used in various scenarios, such as: cellular communication, SL, V2X, peer to peer (P2P), M2M, MTC, IoT, virtual reality (VR), augmented reality (AR), industrial control, automatic driving, telemedicine, smart grid, smart furniture, smart office, smart wear, smart transportation, smart city drones, robots, remote sensing, passive sensing, positioning, navigation and tracking, autonomous delivery, etc. The terminal device can be a terminal in any of the above scenarios, such as an MTC terminal, an IoT terminal, etc. The terminal device can be a user equipment (UE), terminal, fixed device, mobile station device or mobile device of the third generation partnership project (3GPP) standard, subscriber unit, handheld device, vehicle-mounted device, wearable device, cellular phone, smart phone, session initiation protocol (SIP) phone, wireless data card, personal digital assistant (PDA) or the like. sonal digital assistance, PDA), computer, tablet computer, notebook computer, wireless modem, handheld device (handset), laptop computer, computer with wireless transceiver function, smart book, vehicle, satellite, global positioning system (global positioning system, GPS) equipment, target tracking equipment, aircraft (such as drone, helicopter, multi-copter, quad-copter, or airplane, etc.), ship, remote control equipment smart home equipment, industrial equipment, or devices built into the above equipment (for example, communication modules, modems or chips in the above equipment, etc.), or other processing devices connected to the wireless modem.

It should be understood that in some scenarios, the terminal device can also be used to act as a base station. For example, the terminal device can act as a scheduling entity that provides sidelink signals between terminal devices in scenarios such as V2X, SL or P2P.

In the embodiment of the present application, the device for realizing the function of the terminal device, that is, the terminal device, can be the terminal device, or a device capable of supporting the terminal device to realize the function, such as a chip system or a chip, which can be installed in the terminal device. In the embodiment of the present application, the chip system can be composed of a chip, or it can include a chip and other discrete devices.

The network device in the embodiment of the present application may be a device for communicating with a terminal device, and the network device may also be referred to as an access network device or a wireless access network device, such as a base station. Base station can broadly cover various names as follows, or replace with the following names, such as: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmitting point (TRP), transmitting point (TP), master station, auxiliary station, multi-standard wireless (motor slide retainer, MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. The base station can be a macro base station, a micro base station, a relay node, a donor node or the like, or a combination thereof. The base station may also refer to a communication module, modem or chip used to be set in the aforementioned equipment or device. The base station may also be a mobile switching center and a device that performs the base station function in D2D, V2X, and M2M communications, a network-side device in a future communication network, and a device that performs the base station function in a future communication system. The base station may support networks with the same or different access technologies. The embodiments of the present application do not limit the specific technology and specific device form used by the network equipment.

A base station can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move according to the location of the mobile base station. In other examples, a helicopter or drone can be configured to act as a device that communicates with another base station.

In the embodiment of the present application, the device for realizing the function of the network device can be an independent network device, or a discrete device and software that can support the network device to realize the function. When the software and hardware are combined to realize the function of the network device, the device can be installed in the network device. In the embodiment of the present application, the chip system can be composed of chips, or it can include chips and other discrete devices.

Network devices and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on the water; they can also be deployed on aircraft, balloons and satellites in the air. The scenarios in which network devices and terminal devices are located are not limited in the embodiments of the present application. In addition, terminal devices and network devices can be hardware devices, or they can be software functions running on dedicated hardware, software functions running on general-purpose hardware, such as virtualization functions instantiated on a platform (e.g., a cloud platform), or entities including dedicated or general-purpose hardware devices and software functions. The present application does not limit the specific forms of terminal devices and network devices.

The technical solution in the embodiment of the present application will be described below in conjunction with the drawings in the embodiment of the present application. Among them, in the description of the present application, unless otherwise specified, "/" indicates that the objects associated before and after are in an "or" relationship, for example, A/B can represent A or B; "and/or" in the present application is only a kind of association relationship describing the associated objects, indicating that there can be three relationships, for example, A and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural. And, in the description of the present application, unless otherwise specified, "multiple" refers to two or more than two. "At least one of the following" or its similar expression refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b, or c can represent: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple. In addition, in order to facilitate the clear description of the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first", "second" and the like are used to distinguish the same items or similar items with substantially the same functions and effects. Those skilled in the art will understand that the words "first", "second" and the like do not limit the quantity and execution order, and the words "first", "second" and the like do not necessarily limit the differences. At the same time, in the embodiments of the present application, the words "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or design solutions. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a concrete manner for ease of understanding.

In addition, the network architecture and business scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. Ordinary technicians in this field can know that with the evolution of network architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

FIG1 is a schematic diagram of an exemplary communication scenario of an embodiment of the present application.

As shown in FIG. 1 , the communication system includes a core network device 110, a wireless access network device 120 and at least one terminal device (e.g., the first terminal device 130 and the second terminal device 140 in FIG. 1 ). The terminal device is connected to the wireless access network device by wireless means, and the wireless access network device 120 is connected to the core network device 110 by wireless or wired means. The core network device 110 and the wireless access network device 120 may be independent and different physical devices, or the functions of the core network device 110 and the logical functions of the wireless access network device 120 may be integrated on the same physical device, or the functions of part of the core network device and part of the wireless access network device may be integrated on one physical device. The terminal device may be fixed or movable. FIG. 1 is only a schematic diagram, and the communication system may also include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1 . The embodiment of the present application does not limit the number of core network devices 110, wireless access network devices 120 and terminal devices included in the mobile communication system. The network device mentioned below may refer to a wireless access network device 120, or may refer to a wireless access network device 120 having core network device functions, and this application does not limit this.

The embodiments of the present application can be used for downlink signal transmission, can also be applied to uplink signal transmission, and can also be applied to device-to-device (D2D) signal transmission, that is, sidelink (SL) scenario. For downlink signal transmission, the sending device is a network device, and the corresponding receiving device is a terminal device. For uplink signal transmission, the sending device is a terminal device, and the corresponding receiving device is a network device. For D2D signal transmission, the sending device is a terminal device, and the corresponding receiving device is also a terminal device. The transmission direction of the signal in the embodiments of the present application is not limited.

Network devices and terminal devices, as well as terminal devices and terminal devices, may communicate through a licensed spectrum, or may communicate through an unlicensed spectrum, or may communicate through both a licensed spectrum and an unlicensed spectrum. Network devices and terminal devices, as well as terminal devices and terminal devices, may communicate through a spectrum below 6 GHz, or may communicate through a spectrum above 6 GHz, or may communicate through both a spectrum below 6 GHz and a spectrum above 6 GHz. The embodiments of the present application do not limit the spectrum resources used between wireless access network devices and terminal devices.

During the communication between network equipment and terminal equipment, the signal is carried on the carrier. The currently supported carrier bandwidths are as follows:

Table 1

Note: FR1 (frequency range 1) ranges from 410MHz to 7125MHz

Table 2

Note: FR2 (frequency range 2) can also be divided into FR2-1 and FR2-2, where the range of FR2-1 is
24250MHz～52600MHz, FR2-1 range is 52600MHz～71000MHz

Table 1 is the maximum transmission bandwidth configuration N _RB (unit: RB) of FR1, and Table 2 is the maximum transmission bandwidth configuration N _RB (unit: resource block (RB)) of FR2.

The maximum transmission bandwidth refers to the maximum carrier bandwidth, and N _RB is the number of resource blocks corresponding to the carrier bandwidth and subcarrier spacing.

Bandwidth part (BWP) is also introduced. BWP refers to the part of frequency domain resources within the carrier bandwidth range allocated by the network device to the terminal device. BWP can include multiple consecutive physical resource blocks (PRBs), and the frequency domain range of BWP can be less than or equal to the carrier bandwidth. When configuring resources for the terminal device, the network device can configure one or more BWPs for a terminal device within a carrier bandwidth.

Multiple BWPs may have some frequency domain ranges that are the same or all that are different.

The subcarrier spacing of the frequency domain resources included in different BWPs may be the same or different.

As shown in Table 1 and Table 2, the subcarrier spacing values may include 15KHz, 30KHz or 60KHz, etc. The above are only exemplary. As long as the subcarrier spacing complies with the protocol, it can belong to the subcarrier spacing covered by the embodiment of the present application. The subcarrier spacing can also be the frequency domain range of the resource element (RE).

For terminal devices, multiple downlink carriers and multiple uplink carriers are usually supported to increase capacity. For example, terminal devices can currently support 16 downlink carriers. However, the increase in the number of downlink carriers will increase the complexity of scheduling management of network devices and reception management of terminal devices. Another direction is to expand the bandwidth of the carrier or BWP.

Taking FR1 as an example, the maximum bandwidth supported by 15kHz subcarrier spacing is -50MHz, corresponding to 270 PRBs; the maximum bandwidth supported by 30kHz subcarrier spacing is 100MHz, corresponding to 273PRBs. If large data blocks are to be transmitted, they can be divided into several parts and transmitted on multiple carriers at the same time, or the maximum bandwidth of a single carrier can be increased. In this case, only one scheduling information is required.

FIG. 2 is an exemplary schematic diagram of control resources according to an embodiment of the present application.

During the communication process, the downlink physical control channel (PDCCH) carries downlink control information (DCI) and is used to schedule the physical downlink shared channel (PDSCH) or the physical uplink shared channel (PUSCH).

According to different purposes and contents, DCI can be divided into multiple formats and encrypted by different radio network temporary identifiers (RNTI). Network equipment can configure control resources (or candidate PDCCH sets) for terminal devices through high-level signaling (such as RRC signaling). The terminal can attempt to decode each candidate PDCCH in the candidate PDCCH set, that is, use the corresponding RNTI to perform a cyclic redundancy check (CRC) on the information on the candidate PDCCH, and determine whether the DCI is received based on the check result. The behavior of the terminal device attempting to decode each candidate PDCCH to determine whether the corresponding DCI is received can also be called blind detection (BD).

The control resources in the embodiment of the present application may refer to control resources within a BWP range, and the PDSCH scheduled by the DCI is also within a BWP range.

Control resources may include a control channel resource set (CORESET), a search space (SS) or a candidate PDCCH.

Among them, CORESET can occupy 1 to 3 symbols in the time domain and can be continuous or discontinuous in the frequency domain. The terminal device can have one or more SSs on a CORESET, and the frequency domain range of each SS is less than or equal to the frequency domain range of the CORESET.

As shown in Figure 2, examples of possible SSs under different aggregation levels (AL), where each square represents a control-channel element (CCE). In the NR system, a CCE consists of 6 resource element groups (REGs), and one REG corresponds to an OFDM symbol in the time domain and an RB (12 subcarriers) in the frequency domain. The grid-patterned squares in the figure may be, for example, a common search space, and the black squares in the figure may be, for example, a terminal-specific search space. The above examples are merely exemplary and should not constitute an inappropriate limitation on the embodiments of the present application.

An SS may consist of one or more candidate PDCCHs, and the frequency domain ranges of different candidate PDCCHs may be the same, partially the same, or different. The frequency domain ranges of candidate PDCCHs of different SSs may also be the same, partially the same, or different.

The network device can configure multiple SSs for the terminal device at the same time. Multiple SSs can be used to detect DCIs of different formats or DCIs carrying different control information.

The terminal device can blindly detect the control resources and determine the time-frequency resources for receiving data based on the decoded DCI.

However, according to the current method, it takes time for the terminal device to switch bandwidth. If the data to be received by the terminal device is close to the control resource in the time domain, the terminal device will not have time to switch bandwidth. Therefore, the terminal device monitors the entire working bandwidth and blindly detects DCI. When the carrier bandwidth or BWP bandwidth is large, the power consumption is large.

The present application provides a communication method and device, which can reduce the monitoring frequency band range and save monitoring power consumption.

FIG3 is a schematic diagram of a communication method provided in an embodiment of the present application.

As shown in Fig. 3, a time-frequency resource block is taken as an example, where the horizontal direction from left to right can represent the direction from front to back in the time domain, and the vertical direction from top to bottom can represent the direction from large to small in the frequency domain. The working bandwidth 310 of the terminal device can be the entire carrier or the BWP. The following embodiments can take the working bandwidth as the BWP as an example.

The time-frequency resource block is configured with a first control resource 320 of a terminal device, and the first control resource 320 may occupy a partial frequency domain range within the frequency domain range of the working bandwidth 310 .

The configuration method of the first control resource 320 can be through signaling, and the signaling can be, for example, RRC signaling, MAC CE signaling or DCI.

The network device may determine a first frequency domain range of a first time-frequency resource for sending the first data according to the first control resource 320. The first frequency domain range may be a partial frequency domain range within the frequency domain range of the working bandwidth 310.

As an embodiment, the first time-frequency resource for sending the first data is scheduled by the DCI carried on the PDCCH, and the PDCCH may be sent using all or part of the time-frequency resources of the first control resource 320. The PDCCH may also be sent using all or part of the time-frequency resources of other control resources, which is not limited in this application.

The first control resource 320 may be a terminal-specific search space, a common search space, a candidate PDCCH or a CORESET, etc.

The network device may have multiple working modes. As a possible implementation scheme, when the distance between the first time-frequency resource and the first control resource in the time domain is less than or equal to the first threshold, the first working mode is used. The first working mode includes sending first data of the terminal device on the first time-frequency resource within the first frequency domain range.

When the distance in time domain between the second time-frequency resource and the first control resource is greater than a first threshold, a second working mode is used, and the second working mode includes sending second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth.

As another possible embodiment, when the distance between the first time-frequency resource and the first control resource in the time domain is less than the first threshold, the first working mode may be used, where the first working mode includes sending first data of the terminal device on the first time-frequency resource within the first frequency domain range.

When the distance between the second time-frequency resource and the first control resource in the time domain is greater than or equal to the first threshold, the second working mode is used, and the second working mode includes sending the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth.

Exemplarily, the distance in the time domain between the first time-frequency resource and the first control resource 320 can be the distance between the starting symbol of the first time-frequency resource and the starting symbol of the first control resource 320, the distance between the starting symbol of the first time-frequency resource and the ending symbol of the first control resource 320, the distance between the ending symbol of the first time-frequency resource and the starting symbol of the first control resource 320, or the distance between the ending symbol of the first time-frequency resource and the ending symbol of the first control resource 320. The embodiments of the present application are not limited to this.

The unit of distance in the time domain may be a symbol, a time slot, etc., which is not limited in this application.

As another possible implementation, when the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot, a first working mode is used, and the first working mode includes sending first data of the terminal device on the first time-frequency resource within the first frequency domain range,

When the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold, the second working mode is used. The second working mode includes sending second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth.

As another possible implementation, when the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, the first working mode is used, and the first working mode includes sending the first data of the terminal device on the first time-frequency resource within the first frequency domain.

When the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than or equal to the first threshold, the second working mode is used, and the second working mode includes sending the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth.

In an embodiment of the present application, when sending the first data of a terminal device, there are multiple working modes. In the first working mode, the frequency domain range for sending the data is determined according to control resources that are close to the time-frequency resources occupied by the data, so that the terminal device does not have to monitor the entire bandwidth, so that the terminal device can save power consumption for monitoring.

Accordingly, the terminal device may determine the first frequency domain range according to the first control resource of the terminal device. The first frequency domain range may be a partial frequency domain range within the frequency domain range of the working bandwidth 310.

The terminal device may have multiple working modes. As a possible implementation scheme, the terminal device uses a first working mode, and the first working mode includes receiving first data of the terminal device on a first time-frequency resource within a first frequency domain, wherein a distance between the first time-frequency resource and the first control resource in the time domain is less than or equal to a first threshold,

The terminal device uses a second working mode, which includes receiving second data of the terminal device on a second time-frequency resource within a frequency domain range of the working bandwidth, wherein a distance in the time domain between the second time-frequency resource and the first control resource is greater than a first threshold.

As another possible implementation, the terminal device uses a first working mode, where the first working mode includes receiving first data of the terminal device on a first time-frequency resource within a first frequency domain, wherein a distance between the first time-frequency resource and the first control resource in the time domain is less than a first threshold,

The terminal device uses a second working mode, which includes receiving second data of the terminal device on a second time-frequency resource within a frequency domain range of the working bandwidth, wherein a distance in the time domain between the second time-frequency resource and the first control resource is greater than or equal to a first threshold.

As another possible implementation, the terminal device uses a first working mode, wherein the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to a first threshold, or the first control resource and the first time-frequency resource are in the same time slot,

The terminal device uses a second working mode, wherein the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold.

As another possible implementation, the terminal device uses a first working mode, wherein the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than a first threshold, or the first control resource and the first time-frequency resource are in the same time slot.

The terminal device uses a second working mode, wherein the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than or equal to a first threshold.

In an embodiment of the present application, the terminal device has different working modes and can switch the working mode as needed. When working in the first working mode, the desired data is received within the first frequency domain range, which reduces the monitored frequency band range compared to the second working mode, thereby saving monitoring power consumption.

Since different terminal devices may have different capabilities for switching bandwidth, the first threshold may be related to the capability of the terminal device for switching bandwidth.

As an embodiment, the first threshold value may be preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of threshold values preset by the protocol. For example, the first threshold value may be a standardized fixed parameter, a parameter determined by the terminal device based on its own bandwidth switching capability and reported to the network device, a parameter determined and configured to the terminal device by the network device, or a test result of bandwidth switching reported by the terminal device, for example, the duration of bandwidth switching is 1ms, and the network device selects the first threshold value corresponding to the test result from the set of threshold values preset by the protocol based on the test result.

It should be understood that different working modes use different frequency domain ranges for sending the first data. The frequency domain range in the first working mode is smaller than the working bandwidth, so that the terminal device monitors the corresponding frequency domain range and can simultaneously monitor the first control resource 320 and receive the first data on the first time-frequency resource.

As a possible embodiment, the terminal device may stop monitoring other frequency domain ranges within the working bandwidth except the first frequency domain range within a range where the distance in the time domain from the first control resource is less than or equal to a first threshold, or within the same time slot as the first control resource.

In an embodiment of the present application, when the control resources after the data are close to the time-frequency resources where the data is located in the time domain, the terminal device can only receive downlink control information within the first frequency domain, thereby reducing the monitoring bandwidth and saving monitoring power consumption.

As a possible embodiment, the first frequency domain range may be option 1, and the first frequency domain range is the same as the frequency domain range of the first control resource.

As another possible embodiment, the working bandwidth of the terminal device may include multiple sub-bands 315, and the first frequency domain range may be option 2, where the first frequency domain range is the same as the frequency domain range of the sub-band 315 where the first control resource is located.

The subband 315 may be composed of N RBs, where N is a positive integer, and the value of N is preset by a protocol or configured by a network device. The value of N may also be associated with the size of the working bandwidth.

Exemplarily, Table 3 is an example of the working bandwidth preset by the protocol and the frequency domain range of sub-band 315. The network device can select one of configuration 1, configuration 2 or configuration 3 to configure for the terminal device.

Table 3

The above examples are exemplary, and the first frequency domain range may also be other ranges determined according to the first control resource. For example, adding or reducing some frequency domain resources according to the frequency domain range of the first control resource is covered within the scope of the first frequency domain range determined according to the first control resource.

FIG. 4 is a schematic diagram of a communication method according to another embodiment of the present application.

As shown in the communication method of FIG4 , a time-frequency resource block is taken as an example, wherein the horizontal direction from left to right can represent the direction from front to back in the time domain, and the vertical direction from top to bottom can represent the direction from large to small in the frequency domain.

The time-frequency resource block is configured with a first control resource 320 and a second control resource 410 of a terminal device, and the frequency domain range of the first control resource 320 and the frequency domain range of the second control resource 410 may be a partial frequency domain range within the frequency domain range of the working bandwidth 310 .

As shown in (a) of FIG4 , the time domain distance between the first control resource 320 and the second control resource 410 is less than or equal to the second threshold, or the first control resource 320 and the second control resource 410 are in the same time slot. Exemplarily, the time domain distance between the first control resource 320 and the second control resource 340 may be the distance between the start symbol of the first control resource 320 and the start symbol of the second control resource 340, the distance between the start symbol of the first control resource 320 and the end symbol of the second control resource 340, the distance between the end symbol of the first control resource 320 and the start symbol of the second control resource 340, or the distance between the end symbol of the first control resource 320 and the end symbol of the second control resource 340, which is not limited in the embodiments of the present application.

When multiple search space control resources are close in time domain, it may be too late to switch bandwidth. In order to monitor these search space control resources at the same time, these search space control resources are comprehensively considered.

As an embodiment, the second threshold value may be preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of preset threshold values of the protocol. For example, the second threshold value may be a standardized fixed parameter, a parameter determined by the terminal device according to its own ability to switch bandwidth and reported to the network device, a parameter determined by the network device and configured to the terminal device, or a test result of switching bandwidth reported by the terminal device.

On the contrary, as shown in (b) of FIG. 4 , if the distance between the first control resource 320 and the second control resource 410 in the time domain is greater than the second threshold, the first control resource 320 and the second control resource 410 may not be considered simultaneously.

The network device can have multiple working modes. For the description of the working mode part, please refer to the above embodiment, and no further details are given here. The difference between the communication method of the embodiment of FIG4 and the communication method of the embodiment of FIG3 is that the first frequency domain range in the communication method of the embodiment of FIG4 is determined according to the first control resource 320 and the second control resource 410.

As a possible implementation, option 1, the first frequency domain range is the same as the frequency domain range of the first control resource 320 and the second control resource 410 and the frequency domain range between the first control resource 320 and the second control resource 410 .

As another possible implementation, option 2, the working bandwidth of the terminal device includes multiple sub-bands 315, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource 320 and the second control resource 410 are located and the sub-band 315 between the first control resource 320 and the second control resource 410.

In the embodiment of the present application, when multiple control resources are close in time domain, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure the terminal device's monitoring of control information and ensure communication reliability.

The terminal device can have multiple working modes. For the description of the working mode part, please refer to the above embodiment, and no further details are given here. The difference between the communication method of the embodiment of FIG4 and the communication method of the embodiment of FIG3 is that the first frequency domain range in the communication method of the embodiment of FIG4 is determined according to the first control resource 320 and the second control resource 410.

The method for determining the first frequency domain range according to the first control resource 320 and the second control resource 410 is described with reference to the description of the network device part, and will not be elaborated herein.

In the embodiment of the present application, when multiple control resources are close in time domain, the first frequency domain range is determined by comprehensively considering multiple control resources, which can ensure the terminal device's monitoring of control information and ensure communication reliability.

It should be understood that the monitoring range of the terminal device is continuous. When monitoring the ranges of multiple control resources, the frequency domain ranges between the multiple control resources can be monitored simultaneously to ensure the continuity of the monitoring range.

FIG5 is a schematic diagram of a communication method according to yet another embodiment of the present application.

As shown in FIG5 , a time-frequency resource block is taken as an example, in which the horizontal direction from left to right can represent the direction from front to back in the time domain, and the vertical direction from top to bottom can represent the direction from large to small in the frequency domain.

The time-frequency resource block is configured with a first control resource 320 and a third control resource 520 of the terminal device, and the frequency domain range of the first control resource 320 and the frequency domain range of the third control resource 520 may be partial frequency domain ranges within the frequency domain range of the working bandwidth 310 .

The first control resource 320 may be a control resource before the first time-frequency resource 510 , and the third control resource 520 may be a control resource after the first time-frequency resource 510 .

Exemplarily, the first control resource 320 may be a control resource before the first time-frequency resource 510. It may refer to the starting symbol of the first control resource 320 before the starting symbol of the first time-frequency resource 510, or it may refer to the ending symbol of the first control resource 320 before the starting symbol of the first time-frequency resource 510. It may also refer to the starting symbol of the first control resource 320 before the ending symbol of the first time-frequency resource 510, or it may refer to the ending symbol of the first control resource 320 before the ending symbol of the first time-frequency resource 510. As long as it does not cause any contradiction, the embodiments of the present application do not limit this.

Exemplarily, the third control resource 520 may be a control resource subsequent to the first time-frequency resource 510. The explanation may refer to the above example. Unless it causes any contradiction, the present application does not make any limitation to this.

It should be understood that "before" and "after" in the embodiment of the present application may include simultaneously. For example, the first control resource 320 is the control resource before the first time-frequency resource 510, including that the starting symbol of the first control resource 320 is the same as the starting symbol of the first time-frequency resource 510.

As a possible embodiment, reference may be made to Option 1 and Option 2 in the above embodiment to determine the first frequency domain range according to the first control resource 320 and the third control resource 520, which will not be elaborated herein.

As another embodiment, the time domain distance between the third control resource 520 and the first time-frequency resource 510 may be less than or equal to a third threshold. The network device may send downlink control information on a third time-frequency resource in the third control resource within the first frequency domain.

Correspondingly, the terminal device receives downlink control information on the third time-frequency resource within the third control resource within the first frequency domain.

As another embodiment, the third control resource 520 may be in the same time slot as the first time-frequency resource 510. The network device may send downlink control information on a third time-frequency resource in the third control resource within the first frequency domain.

In an embodiment of the present application, when the control resources after the data are close to the time-frequency resources where the data is located in the time domain, downlink control information can be sent only within the first frequency domain, thereby reducing the monitoring bandwidth of the terminal device and allowing the terminal device to save monitoring power consumption.

Correspondingly, the terminal device receives downlink control information on the third time-frequency resource within the third control resource within the first frequency domain.

In the embodiment of the present application, the terminal device only monitors downlink data within the first frequency domain, which greatly reduces the monitoring range while ensuring normal reception of data and saves power consumption of monitoring.

The method for determining the third threshold value may refer to the first threshold value and the second threshold value, and will not be elaborated herein.

FIG. 6 is a schematic diagram of a communication method according to an embodiment of the present application.

The communication method shown in Figure 6 may involve interaction between a network device and a terminal device, or may involve interaction between terminal devices. The embodiment of the present application takes sending PDSCH as an example, but the embodiment of the present application is not limited to this. The interaction between terminal devices may also refer to this embodiment to make adaptive modifications to the behavior of the network device.

The method may include:

Optionally, in 610, the terminal device sends first information.

Correspondingly, the network device receives the first information.

The first information can be used to indicate that the terminal device can support the first working mode.

Step 610 may be a step that all terminal devices need to execute, or it may be an optional step. For example, when the switching between the first working mode and the second working mode is standardized, that is, all terminals support the first working mode, then the first information may not be sent.

It should be understood that indicating that the terminal device can support the first working mode may mean that the terminal device can work in the first working mode, and may also mean that the terminal device can support switching between the first working mode and the second working mode.

Optionally, at 620, the network device sends second information.

Correspondingly, the terminal device receives the second information.

The second information is used to enable the first working mode of the terminal device.

If all terminal devices support the first working mode, the network device can choose whether to enable the first working mode of the terminal device. If the first working mode of the terminal device is enabled, the data scheduling of the network device can meet the scheduling method of the first working mode in the above embodiment.

If not all terminal devices support the first working mode, the network device can choose whether to enable the first working mode of the terminal device based on the first information sent by the terminal device. If the first working mode of the terminal device is enabled, the data scheduling of the network device can meet the scheduling method of the first working mode in the above embodiment.

The method of sending the second information may be RRC signaling, MAC-CE signaling, DCI, etc., which is not limited in this application.

630. The network device sends first data.

The network device may determine a first frequency domain range of a first time-frequency resource of a first data of the terminal device according to a first control resource of the terminal device.

When the distance between the first time-frequency resource and the first control resource in the time domain is less than or equal to the first threshold, the first working mode is used,

When the distance between the second time-frequency resource and the first control resource in the time domain is greater than the first threshold, the second working mode is used.

or,

When the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to the first threshold, or the first control resource and the first time-frequency resource are in the same time slot, the first working mode is used.

When the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold, the second working mode is used.

Correspondingly, the terminal device receives the first data.

The terminal device determines a first frequency domain range according to the first control resource;

The terminal device uses a first working mode, where the first working mode includes receiving first data of the terminal device on a first time-frequency resource within a first frequency domain, wherein a distance between the first time-frequency resource and the first control resource in a time domain is less than or equal to a first threshold,

The terminal device uses a second working mode, and the second working mode includes receiving second data of the terminal device on a second time-frequency resource within a frequency domain range of the working bandwidth, wherein a distance between the second time-frequency resource and the first control resource in the time domain is greater than a first threshold,

or,

The terminal device uses a first working mode, wherein the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to a first threshold, or the first control resource and the first time-frequency resource are in the same time slot,

The terminal device uses a second working mode, wherein the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold.

In the embodiment of the present application, by taking the first time-frequency resource and the first control resource being in the same time slot as a condition for using the first working mode, the judgment process can be simplified on the basis of reducing the monitoring bandwidth and saving power consumption.

FIG. 7 is a schematic diagram of a communication device provided in an embodiment of the present application.

As shown in FIG. 7 , the communication device 700 may include a transceiver unit 710 and a determination unit 720. The transceiver unit 710 may be used to implement the corresponding communication function. The transceiver unit 710 may also be called a communication interface or a communication unit. The determination unit 720 may be used to determine the resource. Optionally, the transceiver unit 710 may include a receiving unit and a sending unit. The receiving unit is used to implement the receiving function, and the sending unit is used to implement the sending function.

Optionally, the communication device 700 may further include a storage unit, which may be used to store instructions and/or data, and the determination unit 720 may read the instructions and/or data in the storage unit so that the device implements the aforementioned method embodiment.

As a design, the communication device 700 is used to execute the steps or processes executed by the device in the above method embodiment, the transceiver unit 710 is used to execute the transceiver related operations in the above method embodiment, and the determination unit 720 is used to execute the resource-related operations determined in the above method embodiment.

It should be understood that the specific process of each unit executing the above corresponding steps has been described in detail in the above method embodiment, and for the sake of brevity, it will not be repeated here.

It should also be understood that the communication device 700 here is embodied in the form of a functional unit. The term "unit" here may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a dedicated processor or a group processor, etc.) and a memory for executing one or more software or firmware programs, a combined logic circuit and/or other suitable components that support the described functions. In an optional example, those skilled in the art can understand that the communication device 700 can be specifically a device in the above-mentioned embodiments (such as a terminal device, and also such as a network device), and can be used to execute the various processes and/or steps corresponding to the device in the above-mentioned method embodiments. To avoid repetition, it will not be repeated here.

The communication device 700 of each of the above schemes has the function of implementing the corresponding steps performed by the device (such as a terminal device, and also such as a network device, etc.) in the above method. The function can be implemented by hardware, or the corresponding software can be implemented by hardware. The hardware or software includes one or more modules corresponding to the above functions; for example, the transceiver unit can be replaced by a transceiver (for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver), and other units, such as the determination unit, etc. can be replaced by a processor to respectively perform the transceiver operations and related determination operations in each method embodiment.

In addition, the transceiver unit 710 may also be a transceiver circuit (for example, may include a receiving circuit and a sending circuit), and the determination unit may be a processing circuit.

It should be noted that the communication device 700 in FIG. 7 may be a device in the aforementioned embodiment, or may be a chip or a chip system, such as a system on chip (SoC). The transceiver unit may be an input and output circuit or a communication interface; the determination unit may be a processor or a microprocessor or an integrated circuit integrated on the chip. This is not limited here.

FIG8 is a schematic diagram of a communication device provided in an embodiment of the present application.

As shown in FIG. 8 , the communication device 800 may include a processor 810 .

Optionally, as shown in FIG8 , the device 800 further includes a transceiver 820, and the transceiver 820 is used to receive and/or send signals. For example, the processor 810 is used to control the transceiver 820 to receive and/or send signals. Optionally, the transceiver 820 may include a receiver and a transmitter, the receiver is used to receive signals, and the transmitter is used to send signals.

The processor 810 may be coupled to a memory 830, which is used to store computer programs or instructions and/or data. The processor 810 is used to execute the computer programs or instructions stored in the memory 830, or read the data stored in the memory 830, to execute the methods in the above method embodiments.

Optionally, there are one or more processors 810 .

Optionally, the memory 830 is one or more.

Optionally, the memory 830 is integrated with the processor 810 or is separately provided.

As an example, the processor 810 may have the function of the determination unit 720 shown in FIG. 7 , the memory 830 may have the function of a storage unit, and the transceiver 820 may have the function of the transceiver unit 710 shown in FIG. 7 .

As a solution, the device 800 is used to implement the operations performed by a device (such as a terminal device, or a network device, etc.) in the above method embodiments.

For example, the processor 810 is used to execute the computer program or instructions stored in the memory 830 to implement the relevant operations of the devices (such as terminal devices, network devices, etc.) in the above various method embodiments.

It should be understood that the processor mentioned in the embodiments of the present application may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

It should also be understood that the memory mentioned in the embodiments of the present application may be a volatile memory and/or a non-volatile memory. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM). For example, a RAM may be used as an external cache. By way of example and not limitation, RAM includes the following forms: static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM) and direct rambus RAM (DR RAM).

It should be noted that when the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, the memory (storage module) can be integrated into the processor.

The device in FIG8 may be a device in the aforementioned embodiment, or may be a chip or a chip system, such as a system on chip (SoC). The transceiver may be an input/output circuit or a communication interface; the processor may be a processor or a microprocessor or an integrated circuit integrated on the chip. This is not limited here.

It should also be noted that the memory described herein is intended to include, but is not limited to, these and any other suitable types of memory.

When the device is a chip system, it can (or can also be called a processing system) include logic circuits and input/output interfaces.

Among them, the logic circuit can be a processing circuit in the chip system. The logic circuit can be coupled to the storage unit and call the instructions in the storage unit so that the chip system can implement the methods and functions of each embodiment of the present application. The input/output interface can be an input/output circuit in the chip system, outputting information processed by the chip system, or inputting data or signaling information to be processed into the chip system for processing.

An embodiment of the present application also provides a computer-readable storage medium on which are stored computer program instructions for implementing the methods executed by a device (such as a terminal device or a network device) in the above-mentioned method embodiments.

For example, when the computer program instructions are executed by a computer, the computer can implement the method executed by a device (such as a terminal device or a network device) in each embodiment of the above method.

An embodiment of the present application also provides a computer program product, comprising program instructions, which, when executed by a computer, implement the methods executed by a device (such as a terminal device or a network device) in the above-mentioned method embodiments.

An embodiment of the present application also provides a communication system, which includes the terminal device (eg, the first terminal device and/or the second terminal device) and/or the network device in the above embodiments.

The explanation of the relevant contents and beneficial effects of any of the above-mentioned devices can be referred to the corresponding method embodiments provided above, which will not be repeated here.

Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program codes.

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

Claims (20)

A communication method, characterized in that the method comprises: Determine a first frequency domain range according to a first control resource of the terminal device, wherein the first frequency domain range is a partial frequency domain range within a working bandwidth of the terminal device; Using a first working mode, the first working mode includes receiving first data of the terminal device on a first time-frequency resource within the first frequency domain, wherein a distance between the first time-frequency resource and the first control resource in the time domain is less than or equal to a first threshold, Using a second working mode, the second working mode includes receiving second data of the terminal device on a second time-frequency resource within the frequency domain of the working bandwidth, wherein the distance between the second time-frequency resource and the first control resource in the time domain is greater than a first threshold, or, The first working mode is used, wherein the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to a first threshold, or the first control resource and the first time-frequency resource are in the same time slot, The second working mode is used, wherein the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold, in, The first threshold is preset by the protocol, reported by the terminal device, configured by the network device, or selected from a set of preset protocol thresholds. The method according to claim 1 is characterized in that the first frequency domain range is the same as the frequency domain range of the first control resource. The method according to claim 1 is characterized in that the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located. The method according to claim 1, characterized in that the first frequency domain range is the same as the frequency domain ranges of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, The time domain distance between the first control resource and the second control resource is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot. The method according to claim 1, characterized in that the working bandwidth of the terminal device includes multiple sub-bands, the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, The time domain distance between the first control resource and the second control resource is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot. The method according to any one of claims 1 to 5, characterized in that the first control resource is before the first time-frequency resource in the time domain, and the method further comprises: receiving downlink control information on a third time-frequency resource, The third time-frequency resource is located within the first frequency domain and within the third control resource, the third control resource is after the first time-frequency resource in the time domain and the distance between the third control resource and the first time-frequency resource in the time domain is less than or equal to a third threshold, or The third control resource time domain and the first time-frequency resource are in the same time slot. The method according to any one of claims 1 to 6, characterized in that the method further comprises: Sending first information, where the first information is used to indicate that the terminal device supports the first working mode. The method according to any one of claims 1 to 7, characterized in that the method further comprises: Receive second information, where the second information is used to enable the first working mode of the terminal device. The method according to any one of claims 1 to 8, characterized in that the method further comprises: Within a range where the distance in the time domain from the first control resource is less than or equal to a first threshold, or within a range in the same time slot as the first control resource, stop monitoring other frequency domain ranges within the working bandwidth except the first frequency domain range. A communication method, characterized in that the method comprises: Determine a first frequency domain range of a first time-frequency resource of first data of the terminal device according to a first control resource of the terminal device, The first frequency domain range is a partial frequency domain range within the working bandwidth of the terminal device. When the distance between the first time-frequency resource and the first control resource in the time domain is less than or equal to a first threshold, using a first working mode, the first working mode comprising sending first data of the terminal device on the first time-frequency resource within the first frequency domain, When the distance between the second time-frequency resource and the first control resource in the time domain is greater than a first threshold, a second working mode is used, wherein the second working mode includes sending second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth, or, When the first time-frequency resource and the first control resource are in different time slots and the distance in the time domain is less than or equal to a first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, the first working mode is used, When the first control resource and the second time-frequency resource are in different time slots and the distance in the time domain is greater than a first threshold, the second working mode is used, in, The first threshold is preset by a protocol, reported by the terminal device, configured by a network device, or selected from a set of preset protocol thresholds. The method according to claim 10 is characterized in that the first frequency domain range is the same as the frequency domain range of the first control resource. The method according to claim 10 is characterized in that the working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource is located. The method according to claim 10, characterized in that the first frequency domain range is the same as the frequency domain ranges of the first control resource and the second control resource and the frequency domain range between the first control resource and the second control resource, The second control resource is a control resource before the first control resource, and a distance between the first control resource and the second control resource in the time domain is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot. The method according to claim 10, characterized in that the working bandwidth of the terminal device includes multiple sub-bands, the first frequency domain range is the same as the frequency domain range of the sub-band where the first control resource and the second control resource are located and the sub-band between the first control resource and the second control resource, The second control resource is a control resource before the first control resource, and a distance between the first control resource and the second control resource in the time domain is less than or equal to a second threshold, or, The first control resource and the second control resource are in the same time slot. The method according to any one of claims 10 to 14, characterized in that the first control resource is before the first time-frequency resource in the time domain, and the method further comprises: Sending downlink control information on a third time-frequency resource in a third control resource within the first frequency domain, The third control resource is later than the first time-frequency resource in the time domain and the distance between the third control resource and the first time-frequency resource in the time domain is less than or equal to a third threshold, or The third control resource time domain and the first time-frequency resource are in the same time slot. The method according to any one of claims 10 to 15 is characterized in that the first threshold is preset, reported by the terminal device, or selected from a preset threshold set. The method according to any one of claims 10 to 16, characterized in that the method further comprises: Receive first information, where the first information is used to indicate that the terminal device supports a first working mode. The method according to any one of claims 10 to 17, characterized in that the method further comprises: Send second information, where the second information is used to enable the first working mode of the terminal device. A communication device, characterized in that the device comprises: processor, The processor is configured to execute the method of any one of claims 1 to 9, or the method of any one of claims 10 to 18. A computer-readable storage medium, characterized in that the computer-readable storage medium stores program instructions, and the program instructions are used to be read by a processor to execute the method as described in any one of claims 1 to 9, or the method as described in any one of claims 10 to 18.