Communication method and apparatus

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

Communication method and device

[0001] This application claims priority to the Chinese patent application with application number 202410029682.2 filed with the State Intellectual Property Office of China on January 8, 2024, and priority to the Chinese patent application with the invention name “A Communication Method and Device”, all contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of communications, and in particular to a communication method and device. Background Art

[0003] 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.

[0004] Therefore, how to save monitoring power consumption becomes an urgent problem to be solved. Summary of the Invention

[0005] The present application provides a communication method and device that can reduce the monitoring frequency band range and save monitoring power consumption.

[0006] In a first aspect, a communication method is provided, the method comprising: determining a first frequency domain range based on 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 the 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; using a second working mode, the second working mode comprising receiving second data of the 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,

[0007] or,

[0008] 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.

[0009] The above method is performed by a communication device, which can be a terminal device or a device that can support the terminal device to implement the function, such as a chip system or 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 can include a chip and other discrete devices.

[0010] 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.

[0011] 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.

[0012] In combination with the first aspect, in certain implementations of the first aspect, the operating 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.

[0013] 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 time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0014] In combination with the first aspect, in certain implementations of the first aspect, the operating 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 in which 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 time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0015] In an 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 that the terminal device monitors the control information and ensures communication reliability.

[0016] 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 from 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.

[0017] In an embodiment of the present application, when the control resource after the data is close to the time-frequency resource 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.

[0018] 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.

[0019] 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 operating mode of the terminal device.

[0020] 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.

[0021] 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 data reception and saves monitoring power consumption.

[0022] 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,

[0023] 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, 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; when the distance between the second time-frequency resource and the first control resource in the time domain is greater than the 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 of the working bandwidth.

[0024] or,

[0025] 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 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 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.

[0026] The method may be performed by a communication device, which may be a network device, or a chip or circuit used for a network device, which is not limited in this application.

[0027] 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.

[0028] 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.

[0029] In combination with the second aspect, in certain implementations of the second aspect, the operating 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.

[0030] 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 before the first control resource, and the time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0031] 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 before the first control resource, and the time domain distance between the first control resource and the second control resource is less than or equal to the second threshold, or the first control resource and the second control resource are in the same time slot.

[0032] In an 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 that the terminal device monitors the control information and ensures communication reliability.

[0033] 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 from 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.

[0034] In an embodiment of the present application, when the control resource after the data is close to the time-frequency resource 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.

[0035] 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.

[0036] 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.

[0037] In a third aspect, a communication device is provided, the device being configured to execute the method provided in either the first or second aspect. Specifically, the device may include units and / or modules, such as a processing unit and / or a communication unit, configured to execute the method provided in any implementation of either the first or second aspect.

[0038] In one implementation, the apparatus is a communication device (e.g., 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 within a processor that is used for processing functions. Alternatively, the transceiver may be a transceiver circuit. Alternatively, the input / output interface may be an input / output circuit.

[0039] In another implementation, the apparatus is a chip, chip system, or circuit used in a communication device. When the apparatus is a chip, chip system, or circuit used in a terminal device, the communication unit may be an input / output interface, interface circuit, output circuit, input circuit, pin, or related circuit on the chip, chip system, or circuit; and the processing unit may be at least one processor, processing circuit, or logic circuit.

[0040] In a fourth aspect, a communication device is provided, comprising: at least one processing circuit for executing the method provided in any implementation of any one of the first or second aspects above.

[0041] In one implementation, the apparatus is a communication device (such as a network device or a terminal device).

[0042] In another implementation, the apparatus is a chip, a chip system, or a circuit used in a communication device.

[0043] 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, chip system or circuit for a communication device, the transceiver circuit may be an interface circuit or an input-output circuit.

[0044] Optionally, the at least one processing circuit can be used to execute a computer program or instruction stored in a memory to perform the method provided in any implementation of any of the first or second aspects. The memory can be located inside the communication device or outside the communication device.

[0045] Optionally, the communication device further includes the memory.

[0046] In a fifth aspect, the present application provides a processing circuit (or processor) for executing the methods provided in the above aspects.

[0047] 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. This application does not limit this.

[0048] In a sixth aspect, a computer-readable storage medium is provided, which stores a program code for execution by a device, and the program code includes a method provided by any implementation manner for executing any aspect of the first or second aspect mentioned above.

[0049] In a seventh aspect, a computer program product comprising instructions is provided, which, when run on a computer, enables the computer to execute the method provided by any implementation of any of the first or second aspects above.

[0050] In an eighth aspect, a chip is provided, which includes a processing circuit and a communication interface. The processing circuit reads instructions stored in a memory through the communication interface and executes the method provided by any implementation of any aspect of the first or second aspect.

[0051] Optionally, as an implementation method, the chip also includes a memory, in which a computer program or instruction is stored, and the processing circuit is used to execute the computer program or instruction stored in the memory. When the computer program or instruction is executed, the processing circuit is used to execute the method provided in any implementation method of any aspect of the first or second aspect above.

[0052] 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

[0053] FIG1 is a schematic diagram of an exemplary communication scenario of an embodiment of the present application.

[0054] FIG2 is an exemplary schematic diagram of control resources according to an embodiment of the present application.

[0055] FIG3 is a schematic diagram of a communication method according to an embodiment of the present application.

[0056] FIG4 is a schematic diagram of a communication method according to another embodiment of the present application.

[0057] FIG5 is a schematic diagram of a communication method provided in yet another embodiment of the present application.

[0058] FIG6 is a schematic diagram of a communication method provided in an embodiment of the present application.

[0059] FIG7 is a schematic diagram of a communication device provided in an embodiment of the present application.

[0060] FIG8 is a schematic diagram of a communication device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0061] The technical solution in this application will be described below with reference to the accompanying drawings.

[0062] The technical solutions provided in this application can be applied to various communication systems, such as: fifth generation (5G) or new radio (NR) systems, long term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, etc. The technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system. The technical solutions 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 (MTC), and Internet of Things (IoT) communication systems or other communication systems. As an example, V2X may include vehicle-to-vehicle (V2V), vehicle-to-pedestrian (V2P), and vehicle-to-infrastructure (V2I). The infrastructure is, for example, a road side unit (RSU) or a network device.

[0063] 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, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wearable, 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 may be user equipment (UE), terminal, fixed device, mobile station device or mobile device of the 3rd 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 assistance (PDA), computer, tablet computer, notebook computer, wireless modem, handheld device, laptop computer, computer with wireless transceiver function, smart book, vehicle, satellite, global positioning system (GPS) device, target tracking device, aircraft (such as drone, helicopter, multi-copter, quadcopter, or airplane), ship, remote control device, smart home device, industrial equipment, or a device built into the above devices (such as a communication module, modem or chip in the above devices), or other processing devices connected to the wireless modem.

[0064] It should be understood that in some scenarios, a terminal device can also be used to act as a base station. For example, a terminal device can act as a scheduling entity that provides sidelink signals between terminal devices in scenarios such as V2X, SL, or P2P.

[0065] In the embodiments of the present application, the device for implementing the function of the terminal device, i.e., the terminal device, can be the terminal device, or a device capable of supporting the terminal device to implement the function, such as a chip system or chip, which can be installed in the terminal device. In the embodiments of the present application, the chip system can be composed of a chip, or can include a chip and other discrete devices.

[0066] The network device in the embodiment of the present application can be a device for communicating with a terminal device, and the network device can also be referred to as an access network device or a wireless access network device, such as a base station. The base station can broadly cover the various names below, or be replaced with the following names, such as: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmission 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), radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. A 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. A base station can also refer to a communication module, a modem, or a chip used to be set in the aforementioned device or apparatus. A base station can also be a mobile switching center, a device that performs base station functions in D2D, V2X, and M2M communications, a network-side device in a future communication network, or a device that performs base station functions in a future communication system. A base station can support networks with the same or different access technologies. The embodiments of this application do not limit the specific technology and specific device form used by the network equipment.

[0067] Base stations 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 based on 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.

[0068] In the embodiments of the present application, the apparatus for implementing the functions of the network device may be an independent network device, or a discrete device and software that can support the network device in implementing the functions. When the software and hardware are combined to implement the functions of the network device, the apparatus may be installed in the network device. In the embodiments of the present application, the chip system may be composed of a chip, or may include a chip and other discrete components.

[0069] 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 surface; they can also be deployed on aircraft, balloons and satellites in the air. The embodiments of this application do not limit the scenarios in which network devices and terminal devices are located. 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. This application does not limit the specific forms of terminal devices and network devices.

[0070] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. 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. The "and / or" in the present application is only a description of the association relationship of 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. In addition, 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 similar expressions refers to any combination of these items, including any combination of single 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, words such as "first" and "second" are used to distinguish between identical or similar items with substantially the same functions and effects. Those skilled in the art will understand that words such as "first" and "second" do not limit the quantity and execution order, and words such as "first" and "second" do not necessarily limit differences. At the same time, in the embodiments of the present application, words such as "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 schemes. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a concrete way for easy understanding.

[0071] 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 by 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.

[0072] FIG1 is a schematic diagram of an exemplary communication scenario of an embodiment of the present application.

[0073] As shown in Figure 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 Figure 1). The terminal device is wirelessly connected to the wireless access network device, and the wireless access network device 120 is wirelessly or wiredly connected to the core network device 110. The core network device 110 and the wireless access network device 120 can be independent and distinct physical devices, or the functions of the core network device 110 and the logical functions of the wireless access network device 120 can be integrated into the same physical device, or a single physical device can integrate some of the functions of the core network device and some of the functions of the wireless access network device. The terminal device can be fixed or mobile. Figure 1 is merely 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 Figure 1. The embodiments of the present application do 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 a wireless access network device 120 having core network device functions, and this application does not limit this.

[0074] The embodiments of the present application can be used for downlink signal transmission, uplink signal transmission, and device-to-device (D2D) signal transmission, i.e., sidelink (SL) scenario. For downlink signal transmission, the transmitting device is a network device, and the corresponding receiving device is a terminal device. For uplink signal transmission, the transmitting device is a terminal device, and the corresponding receiving device is a network device. For D2D signal transmission, the transmitting 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.

[0075] Network devices and terminal devices, as well as terminal devices and terminal devices, can communicate through licensed spectrum, or through unlicensed spectrum, or through both licensed spectrum and unlicensed spectrum. Network devices and terminal devices, as well as terminal devices and terminal devices, can communicate through spectrum below 6 GHz, or through spectrum above 6 GHz, or through both spectrum below 6 GHz and 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.

[0076] During the communication between network devices and terminal devices, signals are carried on carriers. The currently supported carrier bandwidths are as follows:

[0077] Table 1 Note: FR1 (frequency range 1) ranges from 410MHz to 7125MHz

[0078] Table 2 Note: FR2 (frequency range 2) can also be subdivided into FR2-1 and FR2-2, where the range of FR2-1 is 24250MHz ~ 52600MHz and the range of FR2-1 is 52600MHz ~ 71000MHz

[0079] Among them, Table 1 is the FR1 maximum transmission bandwidth configuration N RB (Unit: RB), Table 2 is the FR2 maximum transmission bandwidth configuration N RB (Unit: resource block (RB)).

[0080] The maximum transmission bandwidth refers to the maximum carrier bandwidth, N RB It is the number of resource blocks corresponding to the carrier bandwidth and subcarrier spacing.

[0081] Bandwidth parts (BWPs) have also been introduced. A BWP refers to a portion of frequency domain resources within the carrier bandwidth that a network device allocates to a terminal device. A BWP can include multiple contiguous physical resource blocks (PRBs), and the frequency domain range of a BWP can be less than or equal to the carrier bandwidth. When configuring resources for a terminal device, a network device can configure one or more BWPs for a terminal device within a carrier bandwidth.

[0082] Multiple BWPs may have some frequency domain ranges that are the same or all that are different.

[0083] The subcarrier spacing of the frequency domain resources included in different BWPs may be the same or different.

[0084] As shown in Tables 1 and 2, the subcarrier spacing values ​​may include 15 kHz, 30 kHz, or 60 kHz. The above are only exemplary. As long as the subcarrier spacing complies with the protocol requirements, it can be included in the subcarrier spacing covered by the embodiments of this application. The subcarrier spacing can also be the frequency domain range of the resource element (RE).

[0085] Terminal devices typically support multiple downlink and uplink carriers to increase capacity. For example, current terminal devices can support 16 downlink carriers. However, increasing the number of downlink carriers increases the complexity of network equipment scheduling and terminal device reception management. Another solution is to expand the carrier or BWP bandwidth.

[0086] Taking FR1 as an example, the maximum bandwidth currently supported by a 15kHz subcarrier spacing is -50MHz, corresponding to 270 PRBs; the maximum bandwidth supported by a 30kHz subcarrier spacing is 100MHz, corresponding to 273 PRBs. To transmit large data blocks, you can split the blocks into several parts and transmit them simultaneously on multiple carriers, or increase the maximum bandwidth of a single carrier. In this case, only one piece of scheduling information is required.

[0087] FIG2 is an exemplary schematic diagram of control resources according to an embodiment of the present application.

[0088] During the communication process, the physical downlink 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).

[0089] Depending on the purpose and content, DCI can be divided into multiple formats and encrypted with different radio network temporary indentifiers (RNTIs). 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 is also called blind detection (BD).

[0090] 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.

[0091] The control resources may include a control channel resource set (CORESET), a search space (SS), or a candidate PDCCH.

[0092] A CORESET can occupy 1 to 3 symbols in the time domain and can be continuous or discontinuous in the frequency domain. A 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.

[0093] As shown in Figure 2, there are 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.

[0094] An SS may consist of one or more candidate PDCCHs. 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.

[0095] 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.

[0096] The terminal device can perform blind detection on the control resources to determine the time-frequency resources for receiving data based on the decoded DCI.

[0097] However, according to the current method, since 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 does 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.

[0098] The present application provides a communication method and device that can reduce the monitoring frequency band range and save monitoring power consumption.

[0099] FIG3 is a schematic diagram of a communication method provided in an embodiment of the present application.

[0100] As shown in Figure 3, a time-frequency resource block is used as an example. The horizontal direction from left to right represents the direction from front to back in the time domain, and the vertical direction from top to bottom represents the direction from high to low in the frequency domain. The operating bandwidth 310 of the terminal device can be the entire carrier or the BWP. The following embodiments will use the BWP as an example.

[0101] The time-frequency resource block is configured with a first control resource 320 of the terminal device. The first control resource 320 may occupy a partial frequency domain range within the frequency domain range of the working bandwidth 310 .

[0102] The first control resource 320 may be configured through signaling, and the signaling may be, for example, RRC signaling, MAC CE signaling, or DCI.

[0103] 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.

[0104] As an embodiment, the first time-frequency resource for sending the first data is scheduled by 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.

[0105] The first control resource 320 may be a terminal-specific search space, a common search space, a candidate PDCCH, a CORESET, or the like.

[0106] The network device can 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 a first threshold, the first working mode is used. The first working mode includes sending the first data of the terminal device on the first time-frequency resource within the first frequency domain.

[0107] When the time domain distance 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.

[0108] 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 a first threshold, a 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.

[0109] When the time domain distance between the second time-frequency resource and the first control resource is greater than or equal to a first threshold, the 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.

[0110] Exemplarily, the time domain distance 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. This embodiment of the present application does not limit this.

[0111] The unit of distance in the time domain may be a symbol, a time slot, etc., which is not limited in this application.

[0112] As another possible implementation scheme, 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.

[0113] 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 the second data of the terminal device on the second time-frequency resource within the frequency domain range of the working bandwidth.

[0114] As another possible implementation scheme, 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 a first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, a first working mode can be 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.

[0115] 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.

[0116] 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 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.

[0117] 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.

[0118] The terminal device can have multiple working modes. As a possible implementation scheme, the terminal device uses a first working mode. 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.

[0119] The terminal device uses a second working mode, which includes receiving second data of the terminal device on a second time-frequency resource within the frequency domain range 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.

[0120] As another possible implementation, the terminal device uses a first operating mode, where the first operating 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,

[0121] The terminal device uses a second working mode, which includes receiving second data of the terminal device on a second time-frequency resource within the frequency domain range 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 or equal to a first threshold.

[0122] 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.

[0123] 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.

[0124] 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.

[0125] 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.

[0126] 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.

[0127] 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.

[0128] 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 bandwidth switching capability and reported to the network device, a parameter determined and configured by the network device to the terminal 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.

[0129] It should be understood that different working modes use different frequency domain ranges to send the first data. The frequency domain range under 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.

[0130] 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.

[0131] In an embodiment of the present application, when the control resource after the data is close to the time-frequency resource 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.

[0132] 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.

[0133] As another possible embodiment, the operating bandwidth of the terminal device may include multiple sub-bands 315, and the first frequency domain range may be option 2, which is the same as the frequency domain range of the sub-band 315 where the first control resource is located.

[0134] The subband 315 may be composed of N RBs, where N is a positive integer. 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.

[0135] For example, 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.

[0136] Table 3

[0137] The above examples are exemplary, and the first frequency domain range can 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 all covered within the scope of the first frequency domain range determined according to the first control resource.

[0138] FIG4 is a schematic diagram of a communication method according to another embodiment of the present application.

[0139] As shown in the communication method of FIG4 , a time-frequency resource block is taken as an example. 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.

[0140] The time-frequency resource block is configured with the first control resource 320 and the second control resource 410 of the terminal device. The frequency domain range of the first control resource 320 and the frequency domain range of the second control resource 410 can be a partial frequency domain range within the frequency domain range of the working bandwidth 310.

[0141] 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 this embodiment of the present application.

[0142] When multiple search space control resources are close in time domain, switching bandwidth may not be possible in time. In order to monitor these search space control resources simultaneously, these search space control resources are comprehensively considered.

[0143] As an embodiment, the second threshold value may be preset by a protocol, reported by a terminal device, configured by a network device, or selected from a set of preset threshold values ​​of a protocol. For example, the second threshold value may be a standardized fixed parameter, a parameter determined by a terminal device based on its bandwidth switching capability and reported to the network device, a parameter determined by the network device and configured for the terminal device, or a test result of bandwidth switching reported by the terminal device.

[0144] On the contrary, as shown in FIG4( b ), if the time domain distance between the first control resource 320 and the second control resource 410 is greater than the second threshold, the first control resource 320 and the second control resource 410 may not be considered simultaneously.

[0145] The network device can have multiple operating modes. For a description of the operating mode, please refer to the above embodiment and will not be elaborated on 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 based on the first control resource 320 and the second control resource 410.

[0146] As a possible implementation, option 1 is selected, and 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 .

[0147] 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.

[0148] In an 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 that the terminal device monitors the control information and ensures communication reliability.

[0149] The terminal device can have multiple operating modes. For the description of the operating mode, please refer to the above embodiment and will not be elaborated on here. The difference between the communication method of the embodiment of Figure 4 and the communication method of the embodiment of Figure 3 is that the first frequency domain range in the communication method of the embodiment of Figure 4 is determined based on the first control resource 320 and the second control resource 410.

[0150] The method for determining the first frequency domain range according to the first control resource 320 and the second control resource 410 is described in detail in the network device section and will not be elaborated on here.

[0151] In an 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 that the terminal device monitors the control information and ensures communication reliability.

[0152] 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 range between the multiple control resources can be monitored simultaneously to ensure the continuity of the monitoring range.

[0153] FIG5 is a schematic diagram of a communication method according to another embodiment of the present application.

[0154] As shown in FIG5 , 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.

[0155] The time-frequency resource block is configured with the first control resource 320 and the third control resource 520 of the terminal device. The frequency domain range of the first control resource 320 and the frequency domain range of the third control resource 520 can be partial frequency domain ranges within the frequency domain range of the working bandwidth 310.

[0156] 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 .

[0157] 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.

[0158] 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. This application does not impose any limitation on this unless it causes any contradiction.

[0159] It should be understood that "before" and "after" in the embodiments of the present application may include simultaneously. For example, if the first control resource 320 is a control resource before the first time-frequency resource 510, the starting symbol of the first control resource 320 is the same as the starting symbol of the first time-frequency resource 510.

[0160] 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.

[0161] 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.

[0162] Correspondingly, the terminal device receives downlink control information on the third time-frequency resource within the third control resource located within the first frequency domain.

[0163] 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.

[0164] In an embodiment of the present application, when the control resource after the data is close to the time-frequency resource 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.

[0165] Correspondingly, the terminal device receives downlink control information on the third time-frequency resource within the third control resource located within the first frequency domain.

[0166] 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 data reception and saves monitoring power consumption.

[0167] The method for determining the third threshold value can refer to the first threshold value and the second threshold value, and will not be described in detail here.

[0168] FIG6 is a schematic diagram of a communication method according to an embodiment of the present application.

[0169] 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.

[0170] The method may include:

[0171] Optionally, in 610, the terminal device sends first information.

[0172] Correspondingly, the network device receives the first information.

[0173] The first information can be used to indicate that the terminal device can support the first working mode.

[0174] 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.

[0175] 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, or may mean that the terminal device can support switching between the first working mode and the second working mode.

[0176] Optionally, in 620, the network device sends second information.

[0177] Correspondingly, the terminal device receives the second information.

[0178] The second information is used to enable the first working mode of the terminal device.

[0179] 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.

[0180] 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.

[0181] The method of sending the second information may be RRC signaling, MAC-CE signaling, DCI, etc., which is not limited in this application.

[0182] 630. The network device sends first data.

[0183] The network device can determine the first frequency domain range of the first time-frequency resource of the first data of the terminal device based on the first control resource of the terminal device.

[0184] When the time domain distance between the first time-frequency resource and the first control resource is less than or equal to a first threshold, the first working mode is used.

[0185] When the time domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, the second working mode is used.

[0186] or,

[0187] 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.

[0188] 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.

[0189] Correspondingly, the terminal device receives the first data.

[0190] The terminal device determines a first frequency domain range according to the first control resource;

[0191] The terminal device uses a first operating mode, where the first operating 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,

[0192] The terminal device uses a second operating mode, and the second operating 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,

[0193] or,

[0194] 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.

[0195] 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.

[0196] 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.

[0197] FIG7 is a schematic diagram of a communication device provided in an embodiment of the present application.

[0198] As shown in FIG7 , the communication device 700 may include a transceiver unit 710 and a determination unit 720. The transceiver unit 710 may be used to implement corresponding communication functions. The transceiver unit 710 may also be referred to as a communication interface or a communication unit. The determination unit 720 may be used to determine resources. 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.

[0199] Optionally, the communication device 700 may further include a storage unit, which may be used to store instructions and / or data. The determination unit 720 may read the instructions and / or data in the storage unit so that the device implements the aforementioned method embodiment.

[0200] 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.

[0201] 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.

[0202] It should also be understood that the communication device 700 here is embodied in the form of a functional unit. The term "unit" here can 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 will understand that the communication device 700 can be specifically a device in the above-mentioned embodiment (such as a terminal device, or a network device), which can be used to execute the various processes and / or steps corresponding to the device in the above-mentioned method embodiments. To avoid repetition, they will not be described here.

[0203] The communication device 700 of each of the above-mentioned solutions has the function of implementing the corresponding steps performed by the device (such as a terminal device, or a network device, etc.) in the above-mentioned method. The function can be implemented by hardware, or the corresponding software implementation can be executed by hardware. The hardware or software includes one or more modules corresponding to the above-mentioned 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, can be replaced by a processor to respectively perform the transceiver operations and related determination operations in each method embodiment.

[0204] 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.

[0205] It should be noted that the communication device 700 in FIG7 may be a device in the aforementioned embodiments, or may be a chip or chip system, such as a system on a chip (SoC). The transceiver unit may be an input / output circuit or a communication interface, and the determination unit may be a processor, microprocessor, or integrated circuit integrated on the chip. This is not limited here.

[0206] FIG8 is a schematic diagram of a communication device provided in an embodiment of the present application.

[0207] As shown in FIG. 8 , the communication device 800 may include a processor 810 .

[0208] Optionally, as shown in FIG8 , the apparatus 800 further includes a transceiver 820, which is configured to receive and / or transmit signals. For example, the processor 810 is configured to control the transceiver 820 to receive and / or transmit signals. Optionally, the transceiver 820 may include a receiver and a transmitter, the receiver being configured to receive signals and the transmitter being configured to transmit signals.

[0209] The processor 810 can be coupled to the 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.

[0210] Optionally, there are one or more processors 810 .

[0211] Optionally, there are one or more memories 830 .

[0212] Optionally, the memory 830 is integrated with the processor 810 or provided separately.

[0213] As an example, the processor 810 may have the function of the determining 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 .

[0214] As a solution, the apparatus 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.

[0215] For example, the processor 810 is configured to execute computer programs or instructions stored in the memory 830 to implement relevant operations of devices (such as terminal devices, network devices, etc.) in the above various method embodiments.

[0216] It should be understood that the processor mentioned in the embodiments of the present application may be a central processing unit (CPU), or may be 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. The general-purpose processor may be a microprocessor or any conventional processor, etc.

[0217] 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, RAM can be used as an external cache. By way of example and not limitation, RAM includes the following forms: static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (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).

[0218] 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.

[0219] The apparatus in FIG8 may be a device in the aforementioned embodiments, or may be a chip or chip system, such as a system on a chip (SoC). The transceiver may be an input / output circuit or a communication interface, and the processor may be a processor, microprocessor, or integrated circuit integrated on the chip. This is not limited here.

[0220] It should also be noted that the memory described herein is intended to comprise, but not be limited to, these and any other suitable types of memory.

[0221] When the device is a chip system (or may also be called a processing system), it may include a logic circuit and an input / output interface.

[0222] The logic circuit may be a processing circuit in a chip system. The logic circuit may be coupled to a storage unit and call 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 may be an input / output circuit in a chip system that outputs information processed by the chip system or inputs data or signaling information to be processed into the chip system for processing.

[0223] An embodiment of the present application further 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.

[0224] For example, when the computer program instructions are executed by a computer, the computer can implement the methods executed by a device (such as a terminal device or a network device) in each embodiment of the above method.

[0225] An embodiment of the present application further 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.

[0226] 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.

[0227] 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.

[0228] Those skilled 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 beyond the scope of this application.

[0229] Those skilled in the art will 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.

[0230] In the several embodiments provided in this 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 merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, 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.

[0231] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0232] 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.

[0233] 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, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0234] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A communication method, characterized in that, The method includes: Determining a first frequency domain range according to a first control resource of a terminal device, where the first frequency domain range is a partial frequency domain range within the operating bandwidth of the terminal device; Using a first operating mode, the first operating mode includes receiving first data of the terminal device on a first time-frequency resource within the first frequency domain range, where the time-domain distance between the first time-frequency resource and the first control resource is less than or equal to a first threshold, Using a second operating mode, the second operating mode includes receiving second data of the terminal device on a second time-frequency resource within the frequency domain range of the operating bandwidth, where the time-domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, Or, Using the first operating mode, where the first time-frequency resource and the first control resource are in different time slots and the time-domain distance 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, Using the second operating mode, where the first control resource and the second time-frequency resource are in different time slots and the time-domain distance is greater than the first threshold, Wherein, The first threshold is preset by a protocol, reported by the terminal device, configured by a network device, or selected from a set of protocol preset thresholds.

2. The method according to claim 1, wherein The first frequency domain range is the same as the frequency domain range of the first control resource.

3. The method according to claim 1, wherein The operating 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.

4. The method according to claim 1, wherein 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, Wherein, 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.

5. The method according to claim 1, wherein The operating bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain ranges of the sub-bands 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 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.

6. The method according to any one of claims 1 to 5, characterized in that The first control resource is in front of the first time-frequency resource in the time domain, and the method further includes: Receiving downlink control information on a third time-frequency resource, Wherein, the third time-frequency resource is within the first frequency domain range and within a third control resource, and the third control resource is after the first time-frequency resource in the time domain and the time-domain distance from the first time-frequency resource is less than or equal to a third threshold, or The time domain of the third control resource is in the same time slot as the first time-frequency resource.

7. The method according to any one of claims 1 to 6, characterized in that The method further includes: Sending first information, the first information is used to indicate that the terminal device supports the first operating mode.

8. The method according to any one of claims 1 to 7, characterized in that, The method further includes: Receiving second information, the second information is used to enable the first operating mode of the terminal device.

9. The method according to any one of claims 1 to 8, characterized in that, The method further includes: Stopping monitoring other frequency domain ranges within the working bandwidth except for the first frequency domain range within a range where the time domain distance 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.

10. A communication method, characterized in that, The method includes: Determining 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, wherein the first frequency domain range is a partial frequency domain range within the working bandwidth of the terminal device, When the time domain distance between the first time-frequency resource and the first control resource is less than or equal to the first threshold, using a first working mode, the first working mode includes transmitting the first data of the terminal device on the first time-frequency resource within the first frequency domain range, When the time domain distance between the second time-frequency resource and the first control resource is greater than the first threshold, using a second working mode, the second working mode includes transmitting 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 time domain distance is less than or equal to the first threshold, or when the first control resource and the first time-frequency resource are in the same time slot, using the first working mode, When the first control resource and the second time-frequency resource are in different time slots and the time domain distance is greater than the first threshold, using the second working mode, 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.

11. The method according to claim 10, wherein The first frequency domain range is the same as the frequency domain range of the first control resource.

12. The method according to claim 10, wherein 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.

13. The method according to claim 10, wherein 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, wherein the second control resource is a control resource before the first control resource, and 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.

14. The method according to claim 10, wherein The working bandwidth of the terminal device includes multiple sub-bands, and the first frequency domain range is the same as the frequency domain ranges of the sub-bands 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 a control resource before the first control resource, and 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.

15. The method according to any one of claims 10 to 14, characterized in that, The first control resource is in front of the first time-frequency resource in the time domain, and the method further includes: Transmitting downlink control information on a third time-frequency resource in a third control resource within the first frequency domain range, Among them, the third control resource is in the time domain after the first time-frequency resource and the distance in the time domain from the first time-frequency resource is less than or equal to a third threshold, or the third control resource is in the same time slot as the first time-frequency resource in the time domain.

16. The method according to any one of claims 10 to 15, characterized in that, The first threshold is preset, reported by the terminal device, or selected from a preset threshold set.

17. The method according to any one of claims 10 to 16, characterized in that, The method further includes: receiving first information, where the first information is used to indicate that the terminal device supports a first working mode.

18. The method according to any one of claims 10 to 17, characterized in that The method further includes: sending second information, where the second information is used to enable the first working mode of the terminal device.

19. A communication device, characterized in that, The apparatus includes: a processor, where the processor is configured to execute the method according to any one of claims 1 to 9, or the method according to any one of claims 10 to 18.

20. A computer-readable storage medium, characterized in that The computer-readable storage medium stores program instructions, where the program instructions are configured to be read by the processor to execute the method according to any one of claims 1 to 9, or the method according to any one of claims 10 to 18.

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