Method and apparatus for configuring frequency domain resources

Abstract

An embodiment of the present application discloses a method and apparatus for configuring frequency domain resources, by receiving first instruction information sent from a network device (201), and determining frequency domain resources occupied by a control resource set (CORESET) based on the first instruction information, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside the bandwidth supported by the terminal device (202), and the frequency domain resources occupied by the CORESET of the terminal device are allowed to exceed the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

Description

[Technical field]

[0001] The present application relates to the field of communication technologies, and in particular to a method and apparatus for configuring frequency domain resources. [Background technology]

[0002] In the conventional technology, the control resource set (CORESET) of a terminal device occupies one to three consecutive symbols in the time domain, and the frequency domain resource is configured by adopting the Physical Downlink Shared Channel (PDSCH) resource allocation type 0 method in the frequency domain.

[0003] Release 18 proposes to further reduce the bandwidth of reduced-capability (RedCap) terminal devices to support low data rate and cost-sensitive service types such as factory sensors, but at the same time, it can still support subcarrier spacing settings such as 15KHz and 30KHz, resulting in fewer available frequency domain resources within the bandwidth range. If the CORESET frequency domain resource allocation method in the related technology continues to be used, some frequency domain resources within the bandwidth range may remain unused. Summary of the Invention [Means for solving the problem]

[0004] An embodiment of a first aspect of the present application is a frequency domain resource configuration method performed by a terminal device, comprising: receiving first indication information sent from a network device; The present invention provides a method for configuring frequency domain resources, the method including: determining, based on the first indication information, frequency domain resources to be occupied by a control resource set (CORESET), wherein a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0005] Optionally, the method further comprises: Further comprising: determining, based on second indication information, from frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device; The second indication information includes at least one of: a number of physical downlink control channel (PDCCH) candidate channels, a number of resource element groups in a resource element group (REG) bundle, and a cyclic shift parameter of a resource element group (REG).

[0006] Optionally, the step of determining, based on the second indication information, from the frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device, further comprises: determining a target CCE from at least one control channel element (CCE) to which the resource element group (REG) is mapped based on a number of each of the CCEs, where a REG frequency domain corresponding to the target CCE occupies at least one frequency domain resource unit; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET, determining that at least the frequency domain resource unit with the lowest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device; and in response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit having a highest frequency in the frequency domain resources occupied by the CORESET, determining that at least the frequency domain resource unit having the highest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device.

[0007] Optionally, the step of determining, based on the second indication information, from the frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device, further comprises: determining at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel based on a number of physical downlink control channel (PDCCH) candidate channels; determining that a set number of frequency domain resource units having the highest frequency and / or a set number of frequency domain resource units having the lowest frequency among the frequency domain resource units corresponding to at least one CCE not mapped to the PDCCH candidate channel are the first frequency domain resources outside a bandwidth supported by the terminal device.

[0008] Alternatively, the lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device.

[0009] Alternatively, the control resource set CORESET is CORESET#0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed in a protocol.

[0010] An embodiment of a second aspect of the present application is a method for configuring frequency domain resources performed by a network device, comprising: sending a first indication to a terminal device; The first indication information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0011] Alternatively, the lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device.

[0012] Alternatively, the control resource set (CORESET) is CORESET#0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed in a protocol.

[0013] An embodiment of a third aspect of the present application is a frequency domain resource configuration device applied to a terminal device, comprising: A transceiver unit configured to receive first indication information sent from the network device; The present invention provides a frequency domain resource setting device, the device including: a processing unit configured to determine frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, wherein a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0014] Optionally, the processing unit further comprises: configured to determine the first frequency domain resource based on a second indication; The second indication information includes at least one of: a number of physical downlink control channel (PDCCH) candidate channels, a number of resource element groups in a resource element group (REG) bundle, and a cyclic shift parameter of a resource element group (REG).

[0015] Optionally, the processing unit comprises: Determine a target CCE from at least one control channel element (CCE) to which the resource element group (REG) is mapped based on a number of each of the CCEs, and a REG frequency domain corresponding to the target CCE occupies at least one frequency domain resource unit; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with a lowest frequency in the frequency domain resources occupied by the CORESET, determine that at least the frequency domain resource unit with the lowest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit having a highest frequency in the frequency domain resources occupied by the CORESET, the method is configured to determine that at least the frequency domain resource unit having the highest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device.

[0016] Optionally, the processing unit comprises: Determine at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel based on a number of physical downlink control channel (PDCCH) candidate channels; The method is configured to determine that a set number of frequency domain resource units having the highest frequency and / or a set number of frequency domain resource units having the lowest frequency among the frequency domain resource units corresponding to at least one CCE not mapped to the PDCCH candidate channel are the first frequency domain resources outside a bandwidth supported by the terminal device.

[0017] Alternatively, the lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device.

[0018] Alternatively, the control resource set (CORESET) is CORESET#0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed in a protocol.

[0019] An embodiment of a fourth aspect of the present application is a frequency domain resource configuration device applied to a network device, comprising: A transceiver unit configured to transmit first indication information to a terminal device; The first indication information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0020] Alternatively, the lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device.

[0021] Alternatively, the control resource set (CORESET) is CORESET#0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed in a protocol.

[0022] An embodiment of a fifth aspect of the present application provides a communications device including a processor and a memory in which a computer program is stored, the processor executing the computer program stored in the memory to cause the device to perform the frequency domain resource configuration method described in the embodiment of the first aspect above.

[0023] An embodiment of a sixth aspect of the present application provides a communications device including a processor and a memory in which a computer program is stored, the processor executing the computer program stored in the memory to cause the device to perform the frequency domain resource configuration method described in the embodiment of the second aspect above.

[0024] An embodiment of a seventh aspect of the present application provides a communications device including a processor and an interface circuit, the interface circuit receiving and transmitting code instructions to the processor, and the processor executing the code instructions to cause the device to perform the frequency domain resource configuration method described in the embodiment of the first aspect above.

[0025] An embodiment of an eighth aspect of the present application provides a communications device including a processor and an interface circuit, the interface circuit receiving and transmitting code instructions to the processor, and the processor executing the code instructions to cause the device to perform the frequency domain resource configuration method described in the embodiment of the second aspect above.

[0026] An embodiment of a ninth aspect of the present application provides a computer-readable storage medium having instructions stored thereon, the instructions, when executed, realizing the method for configuring frequency domain resources described in the embodiment of the first aspect above.

[0027] An embodiment of a tenth aspect of the present application provides a computer-readable storage medium having instructions stored thereon, which, when executed, results in the frequency domain resource configuration method described in the embodiment of the second aspect above.

[0028] An embodiment of an eleventh aspect of the present application provides a computer program, which, when executed on a computer, causes the computer to perform the frequency domain resource configuration method described in the embodiment of the first aspect.

[0029] An embodiment of a twelfth aspect of the present application provides a computer program, which, when executed on a computer, causes the computer to perform the frequency domain resource configuration method described in the embodiment of the second aspect.

[0030] The method and apparatus for configuring frequency domain resources provided by the embodiments of the present application receive first indication information sent from a network device, and determine frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside the bandwidth supported by the terminal device, and it is allowed that the frequency domain resources occupied by the CORESET of the terminal device exceed the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

[0031] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. [Brief description of the drawings]

[0032] In order to more clearly describe the technical solutions in the embodiments or background art of the present disclosure, drawings that need to be used in the embodiments or background art of the present disclosure are described below. [Figure 1a] 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application; [Figure 1b] FIG. 1 is a schematic diagram of frequency domain resource configuration in the prior art provided by an embodiment of the present application; [Diagram 2] 1 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application; [Figure 3a] FIG. 2 is a schematic diagram of resource element group numbering provided by an embodiment of the present application; [Figure 3b] FIG. 2 is a schematic diagram of a CCE-to-REG non-interleaved mapping provided by an embodiment of the present application; [Figure 3c] FIG. 2 is a schematic diagram of CCE-to-REG interleaved mapping provided by an embodiment of the present application; [Figure 3d] FIG. 2 is a schematic diagram of CCE-to-REG interleaved mapping provided by an embodiment of the present application; [Figure 4] 1 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application; [Diagram 5] FIG. 2 is a schematic diagram of CCE-to-REG interleaved mapping provided by an embodiment of the present application; [Figure 6] 1 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application; [Figure 7] FIG. 2 is a schematic diagram of CCE-to-REG interleaved mapping provided by an embodiment of the present application; [Figure 8] 1 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application; [Figure 9]1 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application; [Figure 10] FIG. 2 is a schematic configuration diagram of a frequency domain resource configuration device provided by an embodiment of the present application; [Figure 11] FIG. 2 is a schematic configuration diagram of a frequency domain resource configuration device provided by an embodiment of the present application; [Figure 12] FIG. 2 is a schematic configuration diagram of another frequency domain resource setting device provided by an embodiment of the present application; [Figure 13] FIG. 1 is a schematic diagram of a chip provided according to an embodiment of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0033] Exemplary embodiments are described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the embodiments of the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the embodiments of the present application as detailed in the appended claims.

[0034] The terms used in the examples of this application are intended only to describe specific examples and are not intended to limit the examples of this application. The singular forms "a," "an," and "the" used in the examples of this application and the appended claims are intended to include the plural forms unless the context clearly dictates otherwise. It is also to be understood that the term "and / or" used herein refers to any and all possible combinations of one or more of the associated listed items.

[0035] In the embodiments of the present application, terms such as first, second, and third may be used to describe various pieces of information, but it should be understood that these pieces of information should not be limited to these terms. These terms are used only to distinguish the same types of information from one another. For example, the first piece of information may be referred to as the second piece of information without departing from the scope of the embodiments of the present application. Similarly, the second piece of information may be referred to as the first piece of information. Depending on the context, for example, the word "if..." used in this specification may be interpreted as "if..." or "when..." or "depending on the decision."

[0036] The embodiments of the present application are described in detail below, and examples of said embodiments are shown in the drawings, in which the same or similar numbers always refer to the same or similar elements. The embodiments described below with reference to the drawings are illustrative and are intended to explain the present application, and should not be understood as limiting the present invention.

[0037] In order to better understand the frequency domain resource configuration method disclosed in the embodiments of the present application, a communication system applied to the embodiments of the present invention will be first described below.

[0038] Referring to Fig. 1a, Fig. 1a is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application. The communication system may include, but is not limited to, one first network device, one second network device and one terminal device. The number and form of devices shown in Fig. 1a are merely examples and do not limit the embodiment of the present application, and in actual application, the system may include two or more network devices and two or more terminal devices. The communication system shown in Fig. 1a is exemplified by including one network device 101 and one terminal device 102.

[0039] In addition, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as Long Term Evolution (LTE) systems, fifth generation mobile communication systems, 5G new air interface systems, or other future new mobile communication systems.

[0040] The network device 101 in the embodiment of the present application is a network-side entity for transmitting or receiving signals. For example, the network device 101 may be an evolved base station (Evolved NodeB, eNB), a transmission reception point (TRP), a next generation base station (Next Generation NodeB, gNB) in an NR system, a base station in other future mobile communication systems, or an access node in a Wireless Fidelity (WiFi) system. The embodiment of the present application does not limit the specific technology and specific device form used by the network device. The network device provided by the embodiment of the present application may be configured with a central unit (CU) and a distributed unit (DU), and the CU may be called a control unit. Using the CU-DU configuration, the protocol layer of a network device such as a base station is separated, some protocol layer functions are centrally controlled by the CU, the remaining part or all protocol layer functions are distributed to the DU, and the DU is centrally controlled by the CU.

[0041] The terminal device 102 in the embodiment of the present application is a user-side entity for receiving or transmitting signals, such as a mobile phone. The terminal device may also be called a terminal, user equipment (UE), a mobile station (MS), a mobile terminal (MT), etc., and may also be a reduced-capability terminal device (RedCap UE), an evolved reduced-capability terminal device (eRedCap UE), etc. The terminal device may be an automobile with a communication function, a smart car, a mobile phone, a wearable device, a tablet, a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, a wireless terminal device in a smart home, etc. The embodiments of the present application do not limit the specific technology and the specific device form used by the terminal device.

[0042] In the conventional technology, the control resource set (CORESET) of a terminal device occupies one to three consecutive symbols in the time domain, and frequency domain resources are configured by adopting a method similar to that of the Physical Downlink Shared Channel (PDSCH) resource allocation type 0 in the frequency domain. The basic granularity of frequency domain resource allocation is six RBs (Resource Blocks).

[0043] Release 18 proposes to further reduce the bandwidth of reduced capability (RedCap) terminal devices to support low data rate and cost-sensitive service types such as factory sensors, but at the same time still be able to support subcarrier spacing settings such as 15KHz and 30KHz, resulting in less available frequency domain resources within the bandwidth range.

[0044] When the sub-carrier spacing (SCS) is 30KHz, only 11 RBs are available in a bandwidth of 5MHz. If the configuration method of the CORESET frequency domain resource in the prior art is still adopted and the CORESET frequency domain resource is configured with 6 RBs as the basic granularity, some frequency domain resources within the bandwidth range for the Physical Downlink Control Channel (PDCCH) may remain unused. As shown in FIG. 1b, FIG. 1b is a schematic diagram of the frequency domain resource configuration in the prior art provided by the embodiment of the present application. This leads to a smaller number of REGs included in the CORESET, which cannot support higher aggregation levels, and the highest aggregation level AL (Aggregation Level) that can be supported is 2 as shown in FIG. 1b, and the coverage and transmission performance of the downlink transmission PDCCH of the terminal device is affected.

[0045] The communication system described in the embodiments of the present application is intended to more clearly illustrate the technical solutions of the embodiments of the present application, and does not limit the technical solutions provided by the embodiments of the present application. Those skilled in the art should understand that with the evolution of system architecture and the emergence of new service scenarios, the technical solutions provided by the embodiments of the present application can also be applied to similar technical problems.

[0046] The frequency domain resource configuration method and device provided by the present application are described in detail below with reference to the drawings.

[0047] Please refer to Figure 2, which is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application. It should be noted that the frequency domain resource configuration method in the embodiment of the present application is performed by a terminal device. As shown in Figure 2, the method can include the following steps 201 and 202. In step 201, a first indication information sent from a network device is received.

[0048] In an embodiment of the present application, a terminal device receives first indication information transmitted from a network device, and the first indication information is used to instruct the terminal device to determine frequency domain resources occupied by a control resource set (CORESET).

[0049] Optionally, the first indication information includes at least one bit, and each bit of the first indication information can indicate whether a corresponding group of frequency domain resource units is a frequency domain resource occupied by the CORESET.

[0050] In an embodiment of the present application, the group of frequency domain resource units includes six frequency domain resource units, which may be resource blocks (RBs), physical resource blocks (PRBs), virtual resource blocks (VRBs), common resource blocks (CRBs), etc.

[0051] In step 202, based on the first indication information, frequency domain resources occupied by a control resource set (CORESET) are determined, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0052] In an embodiment of the present application, the terminal device determines the frequency domain resources occupied by the CORESET according to the first indication information, and the frequency domain resources occupied by the CORESET can include frequency domain resources outside the bandwidth supported by the terminal device, that is, the CORESET resources indicated by the first indication information can exceed the bandwidth supported by the terminal device.

[0053] It should be understood that in the embodiments of the present application, the bandwidth may be a bandwidth or a bandwidth part (BWP).

[0054] In some embodiments, the terminal device can determine the first frequency domain resource based on the second indication information, that is, the terminal device can determine based on the second indication information which part of the frequency domain resource occupied by the CORESET indicated by the first indication information is outside the bandwidth supported by the terminal device, thereby ensuring as much as possible that the transmission of the PDCCH is performed within the bandwidth range supported by the terminal device, and improving the reliability of the information transmission of the downlink channel.

[0055] Optionally, the second indication information includes at least one of: a number of PDCCH candidate channels, a number of resources occupied by the PDCCH candidate channels, a number of resource element groups in a Resource Element Group (REG) bundle, and a cyclic shift parameter of the resource element group (REG).

[0056] Here, the circular shift parameter of REG is n shiftREG bundle size represents the amount of cyclic shift of the REG bundle when the REG is interleaved-mapped to the CCE. The number of REGs in a REG bundle can be represented by REG bundle size, which can take values ​​such as 2, 3, and 6. The cyclic shift parameter of the REG and the number of REGs in a REG bundle can affect the mapping relationship between the control channel element (CCE) and the REG.

[0057] One REG occupies one RB in the frequency domain and one time domain symbol in the time domain, and REGs are numbered in the CORESET according to the manner of time domain first and frequency domain second. As shown in FIG. 3a, FIG. 3a is a schematic diagram of the numbering of resource element groups provided by the embodiment of the present application. Multiple consecutive REGs in the time domain and / or frequency domain form one REG bundle, and the same precoding is used in the transmissions in one bundle. That is, the transmissions in one bundle can perform joint channel estimation. One CCE occupies six REGs, and the mapping from CCE to REG (CCE-to-REG) can be completed in two manners: interleaving and non-interleaving. As shown in FIG. 3b, FIG. 3c and FIG. 3d, FIG. 3b is a schematic diagram of the non-interleaved mapping of CCE-to-REG provided by the embodiment of the present application, and FIG. 3c and FIG. 3d are schematic diagrams of the interleaved mapping of CCE-to-REG provided by the embodiment of the present application. The interleaving mapping method is interleaved by an interleaver. As shown in Fig. 3c and Fig. 3d, the number L of REGs in each REG bundle in Fig. 3c and Fig. 3d is 2, the number R of rows of the interleaver is 2, and the number of REGs included in the CORESET is

number

[0058] In some embodiments, the terminal device can determine a target CCE based on the number of each CCE from at least one CCE to which the REG is mapped, and can determine a first frequency domain resource based on at least one frequency domain resource unit occupied by the REG frequency region corresponding to the target CCE.

[0059] In some embodiments, the terminal device may determine, based on a number of physical downlink control channel (PDCCH) candidate channels, at least one CCE that is not mapped to a PDCCH candidate channel, and determine that a set number of frequency domain resource units among the frequency domain resource units corresponding to the at least one CCE that is not mapped to the PDCCH candidate channel are outside the bandwidth.

[0060] In some embodiments, the terminal device aligns the lowest frequency domain resource unit in the resources occupied by the CORESET indicated by the first indication information with the lowest frequency domain resource unit in the bandwidth supported by the terminal device, or aligns the highest frequency domain resource unit in the resources occupied by the CORESET with the highest frequency domain resource unit in the bandwidth supported by the terminal device.

[0061] In summary, receive first instruction information sent from a network device, and determine frequency domain resources occupied by a control resource set (CORESET) based on the first instruction information, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device, and it is allowed that the frequency domain resource occupied by the CORESET of the terminal device exceeds the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

[0062] Referring to FIG. 4, FIG. 4 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application. In addition, the frequency domain resource configuration method in the embodiment of the present application is performed by a terminal device. As shown in FIG. 4, the method can include the following steps 401 to 405. In step 401, a first indication information sent from a network device is received.

[0063] In an embodiment of the present application, a terminal device receives first indication information transmitted from a network device, and the first indication information is used to instruct the terminal device to determine frequency domain resources occupied by a control resource set (CORESET).

[0064] Optionally, the first indication information includes at least one bit, and each bit of the first indication information can indicate whether a corresponding group of frequency domain resource units is a frequency domain resource occupied by the CORESET.

[0065] In an embodiment of the present application, the group of frequency domain resource units includes six frequency domain resource units, which may be resource blocks (RBs), physical resource blocks (PRBs), virtual resource blocks (VRBs), public resource blocks (CRBs), etc.

[0066] In step 402, based on the first indication information, frequency domain resources occupied by a control resource set (CORESET) are determined, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0067] In an embodiment of the present application, the terminal device can determine the frequency domain resources occupied by the CORESET according to the first indication information, and the frequency domain resources occupied by the CORESET can include frequency domain resources outside the bandwidth supported by the terminal device, that is, the CORESET resources indicated by the first indication information can exceed the bandwidth supported by the terminal device.

[0068] It should be understood that in the embodiment of the present application, the bandwidth may be a bandwidth or a bandwidth fraction (BWP).

[0069] In step 403, a target CCE is determined from at least one control channel element (CCE) to which the resource element group (REG) is mapped based on the number of each CCE. Here, the REG frequency domain corresponding to the target CCE occupies at least one frequency domain resource unit.

[0070] In some embodiments, the target CCE is the highest numbered CCE after REG mapping.

[0071] In the embodiment of the present application, at least one REG in the CORESET can be determined based on the frequency domain resources occupied by the CORESET indicated by the first indication information and the number of symbols occupied in the time domain by the CORESET set by the network device. shift , the number of rows of the interleaver, etc., a mapping relationship between the at least one REG and the at least one CCE can be determined.

[0072] In an embodiment of the present application, it should be understood that if the mapping from REG to CCE is a non-interleaved mapping and all REG bundles can be mapped to a CCE, it is necessary that the REG of the frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET corresponds to the CCE with the highest number among the at least one CCE mapped.

[0073] When the mapping from REG to CCE is interleaved mapping, the above-mentioned related parameters (the number of REGs included in the REG buddle, the cyclic shift parameter n shift , the number of rows of the interleaver, etc.), the mapping method from REG to CCE may differ.

[0074] For example, refer to FIG. 5, which is a schematic diagram of CCE-to-REG interleaved mapping provided by an embodiment of the present application. As shown in FIG. 5, the first indication information indicates that the CORESET occupies 12 frequency domain resource units in the frequency domain, the CORESET set by the network device occupies 3 symbols in the time domain, REG bundle size=3, and the bandwidth supported by the terminal device includes 11 frequency domain resource units. Then, three REGs corresponding to one frequency domain resource unit in the frequency domain become one REG bundle, and the REGs in the CORESET are numbered according to the manner of first time domain and then frequency domain, so that in FIG. 5, the REGs with numbers 0, 1, and 2 form REG bundle 0, the REGs with numbers 3, 4, and 5 form REG bundle 1, the REGs with numbers 6, 7, and 8 form REG bundle 2, etc., and the resources occupied by the CORESET include 36 REGs and 12 REG bundles.

[0075] REG circular shift parameter n shift =1, and the number of rows of the interleaver is 2, after interleave mapping, as shown in FIG. 5, REG bundle 1 and REG bundle 7 correspond to CCE#0, REG bundle 2 and REG bundle 8 correspond to CCE#1, REG bundle 3 and REG bundle 9 correspond to CCE#2, REG bundle 4 and REG bundle 10 correspond to CCE#3, REG bundle 5 and REG bundle 11 correspond to CCE#4, and REG bundle 6 and REG bundle 0 correspond to CCE#5.

[0076] REG circular shift parameter n shift=0, and the number of rows of the interleaver is 2, after interleave mapping, as shown in FIG. 5, REG bundle 0 and REG bundle 6 correspond to CCE#0, REG bundle 1 and REG bundle 7 correspond to CCE#1, REG bundle 2 and REG bundle 8 correspond to CCE#2, REG bundle 3 and REG bundle 9 correspond to CCE#3, REG bundle 4 and REG bundle 10 correspond to CCE#4, and REG bundle 5 and REG bundle 11 correspond to CCE#5.

[0077] In some embodiments, the target CCE is the highest numbered CCE after REG mapping, i.e., CCE #5. In this example, the cyclic shift parameter n shift If n = 1, the REGs corresponding to the target CCE (CCE # 5) are the REGs numbered 0, 1, and 2 (REG bundle 0) and the REGs numbered 18, 19, and 20 (REG bundle 6). shift In the case where .DELTA..times ...

[0078] The REG corresponding to the target CCE occupies at least one frequency domain resource unit in the frequency domain. In this example, the cyclic shift parameter n shift If n = 1, the REG corresponding to the target CCE occupies two frequency domain resource units in which REG bundle 0 and REG bundle 6 are located in the frequency domain. shift If .gtoreq.0, then the REG corresponding to the target CCE occupies two frequency domain resource units in which REG bundle 5 and REG bundle 11 are located in the frequency domain.

[0079] In step 404, in response to at least one frequency domain resource unit in which the REG frequency region corresponding to the target CCE is located including the frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET, it is determined that at least the frequency domain resource unit with the lowest frequency is outside the bandwidth supported by the terminal device.

[0080] In an embodiment of the present application, if at least one frequency domain resource unit in which the REG frequency domain corresponding to the target CCE is located includes the frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET, i.e., the frequency domain resource unit with the lowest frequency in the frequency domain resources indicated by the first indication information, it is determined that at least the frequency domain resource unit with the lowest frequency is outside the bandwidth supported by the terminal device.

[0081] For example, as mentioned above, in this example, the cyclic shift parameter n shiftIf =1, the REGs corresponding to the target CCE (CCE#5) are the REGs (REG bundle 0) numbered 0, 1, 2 and the REGs (REG bundle 6) numbered 18, 19, 20, and the REGs corresponding to the target CCE occupy two frequency domain resource units in which REG bundle 0 and REG bundle 6 are located in the frequency domain. The frequency domain resource unit in which REG bundle 0 is located is the frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET, and it is determined that at least the frequency domain resource unit with the lowest frequency is outside the bandwidth supported by the terminal device, i.e., it is determined that at least the frequency domain resource unit in which REG bundle 0 is located is outside the bandwidth supported by the terminal device. In this example, since the resources configured for CORESET occupy 12 frequency domain resource units in the frequency domain, and the bandwidth supported by the terminal device includes 11 frequency domain resource units, it is only necessary to determine that one frequency domain resource unit (the frequency domain resource unit in which the REG bundle 0 is located) is outside the bandwidth supported by the terminal device.

[0082] In some examples, if the difference between the number of frequency domain resource units occupied in the frequency domain by the resources configured for the CORESET and the number of frequency domain resource units included in the bandwidth supported by the terminal device is N (N>1, N is a positive integer), it is determined that the first N frequency domain resource units sorted from lowest frequency are outside the bandwidth supported by the terminal device (which necessarily includes the frequency domain resource unit with the lowest frequency).

[0083] In step 405, in response to at least one frequency domain resource unit in which the REG frequency region corresponding to the target CCE is located including the frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET, it is determined that at least the frequency domain resource unit with the highest frequency is outside the bandwidth supported by the terminal device.

[0084] In an embodiment of the present application, if at least one frequency domain resource unit in which the REG frequency domain corresponding to the target CCE is located includes the frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET, i.e., the frequency domain resource unit with the highest frequency in the frequency domain resources indicated by the first indication information, it is determined that at least the frequency domain resource unit with the highest frequency is outside the bandwidth supported by the terminal device.

[0085] For example, as mentioned above, in this example, the cyclic shift parameter n shiftIf REG bundle 11 is set to 0, the REGs corresponding to the target CCE (CCE#5) are REG bundle 5 (REG bundle 5) numbered 15, 16, 17 and REG bundle 11 (REG bundle 11) numbered 33, 34, 35, and the REGs corresponding to the target CCE occupy two frequency domain resource units in which REG bundle 5 and REG bundle 11 are located in the frequency domain. Among them, the frequency domain resource unit in which REG bundle 11 is located is the frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET, and it is determined that at least the frequency domain resource unit with the highest frequency is outside the bandwidth supported by the terminal device, i.e., it is determined that at least the frequency domain resource unit in which REG bundle 11 is located is outside the bandwidth supported by the terminal device. In this example, the resources configured for the CORESET occupy 12 frequency domain resource units in the frequency domain, and the bandwidth supported by the terminal device includes 11 frequency domain resource units, so it only needs to be determined that one frequency domain resource unit (the frequency domain resource unit in which the REG bundle 11 is located) is outside the bandwidth supported by the terminal device.

[0086] In some examples, if the difference between the number of frequency domain resource units occupied in the frequency domain by the resources configured for the CORESET and the number of frequency domain resource units included in the bandwidth supported by the terminal device is N (N>1, N is a positive integer), it is determined that the first N frequency domain resource units sorted by frequency are outside the bandwidth supported by the terminal device (which necessarily includes the frequency domain resource unit with the highest frequency).

[0087] In summary, the present invention provides a method for receiving a first indication information transmitted from a network device, determining frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, a first frequency domain resource among the frequency domain resources occupied by the CORESET being outside a bandwidth supported by the terminal device, determining a target CCE from at least one control channel element (CCE) to which the resource element group (REG) is mapped based on the number of each of the CCEs, and determining whether at least one frequency domain resource unit in which the REG frequency domain corresponding to the target CCE is located includes a frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET or is not occupied by the CORESET. and determining a frequency domain resource unit that is outside the bandwidth supported by the terminal device based on whether the frequency domain resource includes a frequency domain resource unit with the highest frequency in the frequency domain resources, and allowing the frequency domain resource occupied by the CORESET of the terminal device to exceed the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, ensure that the transmission of the downlink channel is within the bandwidth range supported by the terminal device as much as possible, improve the reliability of communication transmission, effectively reduce resource waste, and improve resource utilization rate.

[0088] Referring to FIG. 6, FIG. 6 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application. It should be noted that the frequency domain resource configuration method in the embodiment of the present application is executed by a terminal device. As shown in FIG. 6, the method can include the following steps 601 to 604: In step 601, a first indication information sent from a network device is received.

[0089] In an embodiment of the present application, a terminal device receives first indication information transmitted from a network device, and the first indication information is used to instruct the terminal device to determine frequency domain resources occupied by a control resource set (CORESET).

[0090] Optionally, the first indication information includes at least one bit, and each bit of the first indication information can indicate whether a corresponding group of frequency domain resource units is a frequency domain resource occupied by the CORESET.

[0091] In an embodiment of the present application, the group of frequency domain resource units includes six frequency domain resource units, which may be resource blocks (RBs), physical resource blocks (PRBs), virtual resource blocks (VRBs), public resource blocks (CRBs), etc.

[0092] In step 602, based on the first indication information, frequency domain resources occupied by a control resource set (CORESET) are determined, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0093] In an embodiment of the present application, the terminal device can determine the frequency domain resources occupied by the CORESET according to the first indication information, and the frequency domain resources occupied by the CORESET can include frequency domain resources outside the bandwidth supported by the terminal device, that is, the CORESET resources indicated by the first indication information can exceed the bandwidth supported by the terminal device.

[0094] It should be understood that in the embodiments of the present application, the bandwidth may be a bandwidth or a bandwidth fraction (BWP).

[0095] In step 603, based on the number of physical downlink control channel (PDCCH) candidate channels, determine at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel.

[0096] In an embodiment of the present application, based on the number of physical downlink control channel (PDCCH) candidate channels, at least one CCE that is not mapped to the PDCCH candidate channel can be determined, and based on the at least one CCE that is not mapped to the PDCCH candidate channel, a frequency domain resource that is outside the bandwidth range supported by the terminal device can be determined.

[0097] Some CCEs are aggregated into a PDCCH. The number of CCEs aggregated into a PDCCH is an aggregation level (AL), and all resources that can become a PDCCH are called PDCCH candidate channels (PDCCH candidates).

[0098] For example, refer to FIG. 7, which is a schematic diagram of CCE-to-REG interleaved mapping provided by an embodiment of the present application. As shown in FIG. 7, the first indication information indicates that the CORESET occupies 12 frequency domain resource units in the frequency domain, the CORESET set by the network device occupies 3 symbols in the time domain, REG bundle size=3, and the bandwidth supported by the terminal device includes 11 frequency domain resource units. Then, three REGs corresponding to one frequency domain resource unit in the frequency domain become one REG bundle, and the REGs in the CORESET are numbered according to the manner of first time domain and then frequency domain. In FIG. 7, the REGs with numbers 0, 1, and 2 form REG bundle 0, the REGs with numbers 3, 4, and 5 form REG bundle 1, the REGs with numbers 6, 7, and 8 form REG bundle 2, and so on, and the resources occupied by the CORESET include 36 REGs and 12 REG bundles. In this example, the number of PDCCH candidate channels is 1, and the aggregation level AL=4.

[0099] In this example, the resources occupied by the CORESET include 36 REGs, and each CCE corresponds to 6 REGs, so that the resources occupied by the CORESET include 6 CCEs. In this example, the number of PDCCH candidate channels is 1, the aggregation level AL=4, and it is determined that CCE#0-CCE#3 are mapped to the PDCCH candidate channel PDCCH candidate#0, and at least one CCE that is not mapped to the PDCCH candidate channel is CCE#4 and CCE#5.

[0100] In the embodiments of the present application, the example is used as only one exemplary method for determining at least one CCE that is not mapped to a PDCCH candidate channel, but it should be understood that other methods may be used to determine CCEs in a PDCCH candidate channel and at least one CCE that is not mapped to a PDCCH candidate channel based on communication system and protocol agreements, but are not limited thereto.

[0101] For step 604, it is determined that among the frequency domain resource units corresponding to at least one CCE not mapped to the PDCCH candidate channel, a set number of frequency domain resource units having the highest frequency and / or a set number of frequency domain resource units having the lowest frequency are outside a bandwidth supported by the terminal device.

[0102] The set number is determined based on the number of frequency domain resource units occupied in the frequency domain by the CORESET indicated by the first indication information and the number of frequency domain resource units included in the bandwidth supported by the terminal device.

[0103] It should be understood that the number of settings with the highest frequency refers to the first number of settings when sorting from highest frequency to lowest frequency, or the last number of settings when sorting from lowest frequency to highest frequency, and the number of settings with the lowest frequency refers to the last number of settings when sorting from highest frequency to lowest frequency, or the first number of settings when sorting from lowest frequency to lowest frequency.

[0104] In some embodiments, the configured number is the difference between the number of frequency domain resource units occupied in the frequency domain by the resources configured for the CORESET and the number of frequency domain resource units included in the bandwidth supported by the terminal device, i.e., the configured number N = the number of frequency domain resource units occupied in the frequency domain by the resources configured for the CORESET - the number of frequency domain resource units included in the bandwidth supported by the terminal device.

[0105] As a first possible embodiment, among the frequency domain resource units corresponding to at least one CCE that is not mapped to a PDCCH candidate channel, the first N frequency domain resource units sorted according to frequency are outside the bandwidth supported by the terminal device. Optionally, the frequency sorting may be sorted from low to high or from high to low.

[0106] As a second possible embodiment, among the frequency domain resource units corresponding to at least one CCE that is not mapped to a PDCCH candidate channel, the last N frequency domain resource units sorted according to frequency are outside the bandwidth supported by the terminal device. Optionally, the frequency sorting may be sorted from low to high or from high to low.

[0107] As a third possible embodiment, among the frequency domain resource units corresponding to at least one CCE not mapped to a PDCCH candidate channel, the first m and the last (Nm) frequency domain resource units sorted according to frequency are outside the bandwidth supported by the terminal device. Optionally, the frequency sorting may be sorted from low to high, where m is a natural number.

[0108] For example, as mentioned above, in this example, the cyclic shift parameter n shift= 1, and the number of rows of the interleaver is 2, after interleave mapping, as shown in FIG. 7, REG bundle 1 and REG bundle 7 correspond to CCE#0, REG bundle 2 and REG bundle 8 correspond to CCE#1, REG bundle 3 and REG bundle 9 correspond to CCE#2, REG bundle 4 and REG bundle 10 correspond to CCE#3, REG bundle 5 and REG bundle 11 correspond to CCE#4, and REG bundle 6 and REG bundle 0 correspond to CCE#5.

[0109] REG circular shift parameter n shift =0, and the number of rows of the interleaver is 2, after interleave mapping, as shown in FIG. 7, REG bundle 0 and REG bundle 6 correspond to CCE#0, REG bundle 1 and REG bundle 7 correspond to CCE#1, REG bundle 2 and REG bundle 8 correspond to CCE#2, REG bundle 3 and REG bundle 9 correspond to CCE#3, REG bundle 4 and REG bundle 10 correspond to CCE#4, and REG bundle 5 and REG bundle 11 correspond to CCE#5.

[0110] In this example, the difference N between the number of frequency domain resource units occupied in the frequency domain by the resources configured for CORESET and the number of frequency domain resource units included in the bandwidth supported by the terminal device is N=1.

[0111] REG circular shift parameter n shift=1, the frequency domain resource units corresponding to at least one CCE (CCE#4 and CCE#5) not mapped to the PDCCH candidate channel are the frequency domain resource units in which REG bundle 5, REG bundle 11, REG bundle 6 and REG bundle 0 are located. In this example, it can be determined that the frequency domain resource unit in which REG bundle 0 is located is outside the bandwidth supported by the terminal device, and it can also be determined that the frequency domain resource unit in which REG bundle 11 is located is outside the bandwidth supported by the terminal device.

[0112] REG circular shift parameter n shift =0, the frequency domain resource units corresponding to at least one CCE (CCE#4 and CCE#5) not mapped to the PDCCH candidate channel are the frequency domain resource units in which REG bundle 4, REG bundle 10, REG bundle 5 and REG bundle 11 are located. In this example, it is determined that the frequency domain resource unit in which REG bundle 11 is located is outside the bandwidth supported by the terminal device.

[0113] In some examples, N>1, N is a positive integer, for example, N=2 when the bandwidth supported by the terminal device includes 10 frequency domain resource units. shift = 1, in this example, it can be determined that the frequency domain resource units in which the REG bundle 0 and the REG bundle 11 are located are outside the bandwidth supported by the terminal device. shift = 0, in this example, it can be determined that the frequency domain resource units in which REG bundle 10 and REG bundle 11 are located are outside the bandwidth supported by the terminal device.

[0114] In summary, the present invention provides a method for receiving a first indication information transmitted from a network device, determining frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, a first frequency domain resource among the frequency domain resources occupied by the CORESET being outside a bandwidth supported by the terminal device, determining at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel based on a number of physical downlink control channel (PDCCH) candidate channels, and determining a set number of frequency domain resource units with the highest frequency among the frequency domain resource units corresponding to the at least one CCE that is not mapped to the PDCCH candidate channel, and / or determine that a set number of frequency domain resource units with the lowest frequency are outside the bandwidth supported by the terminal device, and allow the frequency domain resources occupied by the CORESET of the terminal device to exceed the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, and improve the communication efficiency of the system, ensure that the transmission of the downlink channel is within the bandwidth range supported by the terminal device as much as possible, improve the reliability of communication transmission, effectively reduce resource waste, and improve resource utilization rate.

[0115] Referring to Figure 8, Figure 8 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application. Wherein, the frequency domain resource configuration method in the embodiment of the present application is performed by a terminal device. As shown in Figure 8, the method can include the following steps 801 and 802. In step 801, a first indication information sent from a network device is received.

[0116] In an embodiment of the present application, a terminal device receives first indication information transmitted from a network device, and the first indication information is used to instruct the terminal device to determine frequency domain resources occupied by a control resource set (CORESET).

[0117] Optionally, the first indication information includes at least one bit, and each bit of the first indication information can indicate whether a corresponding group of frequency domain resource units is a frequency domain resource occupied by the CORESET.

[0118] In an embodiment of the present application, the group of frequency domain resource units includes six frequency domain resource units, which may be resource blocks (RBs), physical resource blocks (PRBs), virtual resource blocks (VRBs), public resource blocks (CRBs), etc.

[0119] In step 802, based on the first indication information, frequency domain resources occupied by a control resource set (CORESET) are determined, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device, and the frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET is aligned with the frequency domain resource unit with the lowest frequency in the bandwidth supported by the terminal device, or the frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET is aligned with the frequency domain resource unit with the highest frequency in the bandwidth supported by the terminal device.

[0120] In an embodiment of the present application, the terminal device can determine the frequency domain resources occupied by the CORESET according to the first indication information, and the frequency domain resources occupied by the CORESET can include frequency domain resources outside the bandwidth supported by the terminal device, that is, the CORESET resources indicated by the first indication information can exceed the bandwidth supported by the terminal device.

[0121] It should be understood that in the embodiment of the present application, the bandwidth may be a bandwidth or a bandwidth fraction (BWP).

[0122] In the embodiment of the present application, as a first possible embodiment, the lowest frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency domain resource unit in the bandwidth supported by the terminal device, i.e., the first frequency domain resource unit indicated by the first indication information is the first frequency domain resource unit sorted in ascending order of frequency in the bandwidth supported by the terminal device.

[0123] As a second possible embodiment, the frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET is aligned with the frequency domain resource unit with the highest frequency in the bandwidth supported by the terminal device, i.e. the last frequency domain resource unit indicated by the first indication information is the last frequency domain resource unit sorted from the lowest frequency in the bandwidth supported by the terminal device.

[0124] In summary, receive first indication information sent from a network device, and determine frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device, and a frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET is aligned with a frequency domain resource unit with the lowest frequency in the bandwidth supported by the terminal device, or a frequency domain resource unit with the highest frequency in the frequency domain resources occupied by the CORESET is aligned with a frequency domain resource unit with the highest frequency in the bandwidth supported by the terminal device, and the frequency domain resources occupied by the CORESET of the terminal device are allowed to exceed the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

[0125] Since the resource configuration method of CORESET#0 is different from other CORESETs, in each embodiment of the present application, when the control resource set (CORESET) is CORESET#0, the first indication information is Remaining Minimum System Information (RMSI), and the RMSI signaling is used to determine the frequency domain resource length and the corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and the corresponding number of symbols agreed upon in the protocol.

[0126] As an example, when the subcarrier spacing (SCS) is 30KHz, the combination of at least one frequency domain resource length and the corresponding symbol number agreed upon in the protocol is as shown in the table below. [Table 1]

[0127] In order to improve resource utilization, reduce unnecessary resource waste, and improve transmission efficiency and quality, when designing a combination of the frequency domain resource length and the corresponding number of symbols of CORESET#0, it is possible to satisfy as much as possible the following: the frequency domain resource length does not exceed the bandwidth supported by the terminal device, and the number of REGs included in the combination of the frequency domain resource length and the corresponding number of symbols (i.e., the product of the number of RBs and the number of symbols) is an integer multiple of 6.

[0128] This table is merely an example showing some possible combinations of frequency domain resource lengths of CORESET#0 and corresponding symbol numbers, and more combinations can be designed to meet and accommodate more scenarios and bandwidth requirements, and this table is merely used as an example and does not limit the embodiments of the present application.

[0129] Referring to Figure 9, Figure 9 is a schematic flowchart of a frequency domain resource configuration method provided by an embodiment of the present application. Wherein, the frequency domain resource configuration method in the embodiment of the present application is performed by a network device. As shown in Figure 9, the method can include the following step 901:

[0130] In step 901, first indication information is sent to a terminal device, the first indication information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0131] In an embodiment of the present application, a network device transmits first indication information to a terminal device, and the first indication information is used to instruct the terminal device to determine frequency domain resources occupied by a control resource set (CORESET).

[0132] Optionally, the first indication information includes at least one bit, and each bit of the first indication information can indicate whether a corresponding group of frequency domain resource units is a frequency domain resource occupied by the CORESET.

[0133] In an embodiment of the present application, the group of frequency domain resource units includes six frequency domain resource units, which may be resource blocks (RBs), physical resource blocks (PRBs), virtual resource blocks (VRBs), public resource blocks (CRBs), etc.

[0134] In an embodiment of the present application, the terminal device can determine the frequency domain resources occupied by the CORESET according to the first indication information, and the frequency domain resources occupied by the CORESET can include frequency domain resources outside the bandwidth supported by the terminal device, that is, the CORESET resources indicated by the first indication information can exceed the bandwidth supported by the terminal device.

[0135] It should be understood that in the embodiment of the present application, the bandwidth may be a bandwidth or a bandwidth fraction (BWP).

[0136] In some embodiments, the terminal device aligns the lowest frequency domain resource unit in the resources occupied by the CORESET indicated by the first indication information with the lowest frequency domain resource unit in the bandwidth supported by the terminal device, or aligns the highest frequency domain resource unit in the resources occupied by the CORESET with the highest frequency domain resource unit in the bandwidth supported by the terminal device.

[0137] In some embodiments, the terminal device can determine a target CCE based on the number of each CCE from at least one CCE to which the REG is mapped, and can determine a first frequency domain resource based on at least one frequency domain resource unit occupied by the REG frequency region corresponding to the target CCE.

[0138] In some embodiments, the terminal device determines, based on a number of physical downlink control channel (PDCCH) candidate channels, at least one CCE that is not mapped to a PDCCH candidate channel, and determines that a set number of frequency domain resource units among the frequency domain resource units corresponding to the at least one CCE that is not mapped to the PDCCH candidate channel are outside the bandwidth.

[0139] In an embodiment of the present application, when the control resource set (CORESET) is CORESET#0, the first indication information is the remaining minimum system information (RMSI), and the RMSI signaling is used to determine the frequency domain resource length and the corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and the corresponding number of symbols agreed upon in a protocol.

[0140] In summary, first instruction information is sent to a terminal device, and the first instruction information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device, and it is allowed that the frequency domain resources occupied by the CORESET of the terminal device exceed the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

[0141] Corresponding to the frequency domain resource configuration method provided by the above several embodiments, the present application further provides a frequency domain resource configuration device. The frequency domain resource configuration device provided by the embodiments of the present application corresponds to the method provided by the above several embodiments, so the embodiment of the frequency domain resource configuration method can also be applied to the frequency domain resource configuration device provided by the following embodiments, and detailed description is omitted in the following embodiments.

[0142] Please refer to FIG. 10, which is a schematic configuration diagram of a frequency domain resource configuration device provided by an embodiment of the present application.

[0143] As shown in FIG. 10, the frequency domain resource configuration device 1000 includes: a transceiver unit 1010 and a processing unit 1020. The transceiver unit 1010 is configured to receive first indication information sent from the network device. The processing unit 1020 is configured to determine, based on the first indication information, frequency domain resources occupied by a control resource set (CORESET), where a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0144] Optionally, the processing unit 1020 further comprises: configured to determine, based on second indication information, from frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device; The second indication information includes at least one of: a number of physical downlink control channel (PDCCH) candidate channels, a number of resource element groups in a resource element group (REG) bundle, and a cyclic shift parameter of a resource element group (REG).

[0145] Optionally, the processing unit 1020: Determine a target CCE from at least one control channel element (CCE) to which the resource element group (REG) is mapped based on a number of each of the CCEs, and a REG frequency domain corresponding to the target CCE occupies at least one frequency domain resource unit; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with a lowest frequency in the frequency domain resources occupied by the CORESET, determine that at least the frequency domain resource unit with the lowest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit having a highest frequency in the frequency domain resources occupied by the CORESET, the method is configured to determine that at least the frequency domain resource unit having the highest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device.

[0146] Optionally, the processing unit 1020: Determine at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel based on a number of physical downlink control channel (PDCCH) candidate channels; The terminal device is configured to determine that a set number of frequency domain resource units having the highest frequency and / or a set number of frequency domain resource units having the lowest frequency among the frequency domain resource units corresponding to at least one CCE not mapped to the PDCCH candidate channel are the first frequency domain resources outside a bandwidth supported by the terminal device.

[0147] Alternatively, the lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device.

[0148] Alternatively, the control resource set (CORESET) is CORESET#0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed in a protocol.

[0149] The frequency domain resource setting device in this embodiment can receive first instruction information sent from a network device, and determine frequency domain resources occupied by a control resource set (CORESET) based on the first instruction information, and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside the bandwidth supported by the terminal device, and it is allowed that the frequency domain resource occupied by the CORESET of the terminal device exceeds the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

[0150] Please refer to FIG. 11, which is a schematic configuration diagram of a frequency domain resource configuration device provided by an embodiment of the present application.

[0151] As shown in FIG. 11, the frequency domain resource configuration apparatus 1100 includes a transceiver unit 1110 . The transceiver unit 1110 is configured to send first indication information to the terminal device; The first indication information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device.

[0152] Alternatively, the lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device.

[0153] Alternatively, the control resource set (CORESET) is CORESET#0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET#0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed in a protocol.

[0154] In this embodiment, the frequency domain resource setting device sends first instruction information to a terminal device, and the first instruction information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside the bandwidth supported by the terminal device, and it is allowed that the frequency domain resource occupied by the CORESET of the terminal device exceeds the bandwidth supported by the terminal device, so that the terminal device can support a higher aggregation level as much as possible, effectively improve the transmission performance of the downlink channel, enhance the coverage of the downlink channel, improve the communication efficiency of the system, effectively reduce resource waste, and improve resource utilization rate.

[0155] To realize the above embodiment, an embodiment of the present application further provides a communication device, the communication device including a processor and a memory in which a computer program is stored, and the processor executes the computer program stored in the memory, thereby causing the device to perform the methods shown in the embodiments of Figures 2, 4, 6 and 8.

[0156] To realize the above embodiment, an embodiment of the present application further provides a communication device, the communication device including a processor and a memory in which a computer program is stored, and the processor executes the computer program stored in the memory, thereby causing the device to perform the method shown in the embodiment of FIG. 9.

[0157] To realize the above embodiments, the embodiments of the present application further provide a communication device, the communication device including a processor and an interface circuit, the interface circuit receives and transmits code instructions to the processor, and the processor executes the code instructions to perform the methods shown in the embodiments of Figures 2, 4, 6 and 8.

[0158] To realize the above embodiment, an embodiment of the present application further provides a communication device, the communication device including a processor and an interface circuit, the interface circuit receives and transmits code instructions to the processor, and the processor executes the method shown in the embodiment of FIG. 9 by executing the code instructions.

[0159] Referring to Figure 12, Figure 12 is a schematic configuration diagram of another frequency domain resource configuration device provided by an embodiment of the present disclosure. The frequency domain resource configuration device 1200 may be a network device, may be a terminal device, may be a chip, chip system, or processor, etc. that supports the implementation of the above method by a network device, may be a chip, chip system, or processor, etc. that supports the implementation of the above method by a terminal device. The device is used to realize the method described in the above method embodiment, and please refer to the description in the above method embodiment for details.

[0160] The frequency domain resource configuration device 1200 may include one or more processors 1201. The processor 1201 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the frequency domain resource configuration device (e.g., a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a computer program, and process data of the computer program.

[0161] Optionally, the frequency domain resource configuration device 1200 may further include one or more memories 1202 in which a computer program 1203 is stored. The processor 1201 executes the computer program 1203, thereby causing the frequency domain resource configuration device 1200 to execute the method according to the above method embodiment. The computer program 1203 may be fixed in the processor 1201. In this case, the processor 1201 may be realized by hardware.

[0162] Optionally, data may be stored in the memory 1202. The frequency domain resource configuration device 1200 and the memory 1202 may be configured separately or integrated together.

[0163] Optionally, the frequency domain resource configuration device 1200 may further include a transceiver 1205 and an antenna 1206. The transceiver 1205 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to realize a transceiver function. The transceiver 1205 may include a receiver and a transmitter, and the receiver may be called a receiver or a receiving circuit, etc., and is used to realize a receiving function. The transmitter may be called a transmitter or a transmitting circuit, etc., and is used to realize a transmitting function.

[0164] Optionally, the frequency domain resource configuration device 1200 may further include one or more interface circuits 1207. The interface circuit 1207 is used to receive and transmit code instructions to the processor 1201. The processor 1201 executes the code instructions, thereby causing the frequency domain resource configuration device 1200 to perform the method described in the above method embodiments.

[0165] In one implementation, the processor 1201 may include a transceiver for implementing a transmitting and receiving function. For example, the transceiver may be a transmitting and receiving circuit, or an interface, or an interface circuit. The transmitting and receiving circuit, the interface, or the interface circuit for implementing the transmitting and receiving function may be configured separately or integrated together. The transmitting and receiving circuit, the interface, or the interface circuit may be used for reading and writing code / data, or the transmitting and receiving circuit, the interface, or the interface circuit may be used for transmitting or transferring signals.

[0166] In one implementation, the frequency domain resource configuration device 1200 may include a circuit, which may implement the functions of transmitting or receiving or communicating in the above-mentioned method embodiments. The processor and transceiver described in this disclosure may be implemented in an integrated circuit (IC), an analog IC, a radio frequency integrated circuit (RFIC), a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc. The processor and transceiver may also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), pMetal-oxide-semiconductor (PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

[0167] The frequency domain resource setting device described in the above embodiment may be a network device or a terminal device, but the scope of the frequency domain resource setting device described in the present disclosure is not limited thereto, and the configuration of the frequency domain resource setting device is not limited to those shown in Figs. 10 to 11. The frequency domain resource setting device may be an independent device or a part of a larger device. For example, the frequency domain resource setting device may be the following: (1) An independent integrated circuit (IC) or chip, or a chip system or subsystem. (2) A collection of one or more integrated circuits. Optionally, the collection of integrated circuits may include a storage component for storing data and computer programs. (3) ASICs such as modems. (4) A module that can be incorporated into other devices. (5) Receivers, terminal devices, intelligent terminal devices, mobile phones, wireless devices, handheld machines, mobile units, in-vehicle devices, network devices, cloud devices, artificial intelligence devices, etc. (6)Others.

[0168] Regarding the case where the frequency domain resource setting device may be a chip or a chip system, reference may be made to the schematic configuration diagram of the chip shown in Fig. 13. The chip shown in Fig. 13 includes a processor 1301 and an interface 1302. The number of the processors 1301 may be one or more, and the number of the interfaces 1302 may be more than one.

[0169] When the chip is used to realize the functions of a network device in the embodiment of the present disclosure, The interface 1302 is used to receive and transmit code instructions to the processor; The processor 1301 is used to execute code instructions to perform the methods of FIGS.

[0170] When the chip is used to realize the functions of the terminal device in the embodiment of the present disclosure, The interface 1302 is used to receive and transmit code instructions to the processor; The processor 1301 is used to execute code instructions to perform the method of FIG.

[0171] Optionally, the chip further includes a memory 1303 for storing necessary computer programs and data.

[0172] Those skilled in the art can further understand that the various illustrative logical blocks and steps listed in the embodiments of the present disclosure can be realized by electronic hardware, computer software, or a combination of the two. Whether such functions are realized by hardware or software depends on the specific application and overall system design requirements. Those skilled in the art can realize the functions using various methods for each specific application, but such realization should not be understood as going beyond the protection scope of the embodiments of the present disclosure.

[0173] An embodiment of the present disclosure further provides a communication system, the system including a frequency domain resource setting device as a terminal device and a frequency domain resource setting device as a network device in the embodiment of Figures 10 to 11 described above, or the system including a frequency domain resource setting device as a terminal device and a frequency domain resource setting device as a network device in the embodiment of Figure 12 described above.

[0174] The present disclosure further provides a readable storage medium having instructions stored thereon, which, when executed by a computer, implement the functionality of any one of the method embodiments described above.

[0175] The present disclosure further provides a computer program product, which, when executed by a computer, implements the functionality of any one of the method embodiments described above.

[0176] In the above embodiments, all or part of the invention may be realized by software, hardware, firmware, or any combination thereof. When realized using software, all or part of the invention may be realized in the form of a computer program product. The computer program product includes one or more computer programs. When the computer programs are loaded and executed on a computer, they perform the processes or functions in the embodiments of the present disclosure in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program may be stored in a computer-readable storage medium or may be transmitted from one computer-readable storage medium to another, for example, the computer program may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server, data center, etc. that includes one or more available media. The available media may be magnetic media (e.g., floppy disks, hard disks, tapes), optical media (e.g., high density digital video discs (DVDs)), or semiconductor media (e.g., solid state disks (SSDs)).

[0177] Those skilled in the art will appreciate that the first, second, and various numerals in the present disclosure are merely for convenience of description and are not intended to limit the scope of the embodiments of the present disclosure or to indicate a sequential order.

[0178] At least one in the present disclosure may be described as one or more, and more may be two, three, four or more, and is not limited in the present disclosure. In the embodiment of the present disclosure, for one technical feature, the technical features in the technical feature are distinguished by "first", "second", "third", "A", "B", "C", "D", etc. The technical features described as "first", "second", "third", "A", "B", "C" and "D" have no order of precedence or magnitude.

[0179] The correspondence shown in each table of the present disclosure may be set or may be predefined. The values ​​of the information in each table are merely examples and may be set as other values ​​and are not limited in the present disclosure. When setting the correspondence between the information and each parameter, it is not necessary to set all the correspondences shown in each table. For example, in the table of the present disclosure, the correspondences shown in some rows may not be set. Also, for example, appropriate transformation adjustments such as division and combination can be performed based on the above table. The names of the parameters shown in the titles of the above tables may be other names that the communication device can understand, and the values ​​or expressions of the parameters may also be other values ​​or expressions that the communication device can understand. When realizing the above table, other data structures such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, or hash tables can also be used.

[0180] Predefined in this disclosure may be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-set, solidified, or pre-baked.

[0181] Those skilled in the art can be aware that each example unit and algorithm step described in accordance with the embodiments disclosed herein can be realized by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed by hardware or software depends on the specific application and design constraints of the technical proposal. Those skilled in the art can use different methods for each specific application to realize the described functions, but such realization should not be considered as going beyond the scope of the present disclosure.

[0182] As can be clearly understood by those skilled in the art, for convenience and brevity of description, the specific operating processes of the above systems, devices and units may refer to the corresponding processes in the above-mentioned method embodiments and will not be described again here.

[0183] It should be understood that the various forms of processes shown above can be used to rearrange, add, or remove steps. For example, each step described in the embodiments of the present disclosure can be performed in parallel, sequentially, or in a different order, and is not limited herein, as long as the desired results of the technical solution disclosed in the present invention are achieved.

[0184] The above specific embodiments do not limit the protection scope of the present invention. As can be understood by those skilled in the art, various modifications, combinations, sub-combinations and substitutions are possible according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A frequency domain resource configuration method performed by a terminal device, comprising: receiving a first indication sent from a network device; determining frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, wherein a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device; A frequency domain resource configuration method comprising:

2. Further comprising: determining, based on second indication information, from frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device; the second indication information includes at least one of: a number of physical downlink control channel (PDCCH) candidate channels, a number of resource element groups in a resource element group (REG) bundle, and a cyclic shift parameter of a resource element group (REG); The method for configuring frequency domain resources according to claim 1 .

3. determining, based on the second indication information, from frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device, determining a target CCE from at least one control channel element (CCE) to which the resource element group (REG) is mapped based on an index of each of the CCEs, where a REG frequency domain corresponding to the target CCE occupies at least one frequency domain resource unit; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with the lowest frequency in the frequency domain resources occupied by the CORESET, determining that at least the frequency domain resource unit with the lowest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with a highest frequency in frequency domain resources occupied by the CORESET, determining that at least the frequency domain resource unit with the highest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device. The method for configuring frequency domain resources according to claim 2 .

4. determining, based on the second indication information, from frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device, determining at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel based on a number of physical downlink control channel (PDCCH) candidate channels; determining that a set number of frequency domain resource units having the highest frequency and / or a set number of frequency domain resource units having the lowest frequency among the frequency domain resource units corresponding to at least one CCE not mapped to the PDCCH candidate channel are the first frequency domain resources outside a bandwidth supported by the terminal device; The method for configuring frequency domain resources according to claim 2 .

5. The lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device; The method for configuring frequency domain resources according to claim 1 .

6. The control resource set (CORESET) is CORESET #0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET #0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed upon in a protocol; The method for configuring frequency domain resources according to claim 1 .

7. A method for configuring frequency domain resources performed by a network device, comprising: transmitting first indication information to a terminal device; The first indication information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device. A frequency domain resource configuration method comprising:

8. The lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device; The method for configuring frequency domain resources according to claim 7 .

9. The control resource set (CORESET) is CORESET #0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET #0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed upon in a protocol; The method for configuring frequency domain resources according to claim 7 .

10. A frequency domain resource configuration device applied to a terminal device, comprising: A transceiver unit configured to receive first indication information sent from the network device; a processing unit configured to determine frequency domain resources occupied by a control resource set (CORESET) based on the first indication information, wherein a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device. A frequency domain resource configuration device comprising:

11. The processing unit further comprises: configured to determine, based on second indication information, from frequency domain resources occupied by the CORESET, the first frequency domain resource that is outside a bandwidth supported by the terminal device; the second indication information includes at least one of: a number of physical downlink control channel (PDCCH) candidate channels, a number of resource element groups in a resource element group (REG) bundle, and a cyclic shift parameter of a resource element group (REG); The frequency domain resource setting device according to claim 10 .

12. The processing unit includes: Determine a target CCE from at least one control channel element (CCE) to which the resource element group (REG) is mapped according to an index of each of the CCEs, and a REG frequency domain corresponding to the target CCE occupies at least one frequency domain resource unit; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with a lowest frequency in the frequency domain resources occupied by the CORESET, determine that at least the frequency domain resource unit with the lowest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device; In response to at least one frequency domain resource unit in which a REG frequency region corresponding to the target CCE is located including a frequency domain resource unit with a highest frequency in frequency domain resources occupied by the CORESET, the frequency domain resource unit with the highest frequency is configured to determine that the frequency domain resource unit with the highest frequency is the first frequency domain resource outside a bandwidth supported by the terminal device. The frequency domain resource configuration device according to claim 11 .

13. The processing unit includes: Determine at least one control channel element (CCE) that is not mapped to a physical downlink control channel (PDCCH) candidate channel based on a number of physical downlink control channel (PDCCH) candidate channels; and configured to determine that a set number of frequency domain resource units having the highest frequency and / or a set number of frequency domain resource units having the lowest frequency among the frequency domain resource units corresponding to at least one CCE not mapped to the PDCCH candidate channel are the first frequency domain resources outside a bandwidth supported by the terminal device. The frequency domain resource configuration device according to claim 11 .

14. The lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device; The frequency domain resource setting device according to claim 10 .

15. The control resource set (CORESET) is CORESET #0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET #0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed upon in a protocol; The frequency domain resource setting device according to claim 10 .

16. A configuration device for frequency domain resources applied to a network device, comprising: A transceiver unit configured to transmit first indication information to a terminal device; The first indication information is used to determine frequency domain resources occupied by a control resource set (CORESET), and a first frequency domain resource among the frequency domain resources occupied by the CORESET is outside a bandwidth supported by the terminal device. A frequency domain resource configuration device comprising:

17. The lowest frequency resource unit in the frequency domain resources occupied by the CORESET is aligned with the lowest frequency resource unit in the bandwidth supported by the terminal device; or The highest frequency frequency domain resource unit in the frequency domain resources occupied by the CORESET is aligned with the highest frequency frequency domain resource unit in the bandwidth supported by the terminal device; The frequency domain resource configuration device according to claim 16 .

18. The control resource set (CORESET) is CORESET #0, the first indication information is remaining minimum system information (RMSI), and the first indication information is used to determine a frequency domain resource length and a corresponding number of symbols of the CORESET #0 from a combination of at least one frequency domain resource length and a corresponding number of symbols agreed upon in a protocol; The frequency domain resource configuration device according to claim 16 .

19. A communication device, comprising: A method for configuring a frequency domain resource according to any one of claims 1 to 6, comprising: a processor; and a memory in which a computer program is stored, the processor executing the computer program stored in the memory to cause the device to perform the frequency domain resource configuration method according to any one of claims 1 to 6. A communication device comprising:

20. A communication device, comprising: A method for configuring a frequency domain resource according to any one of claims 7 to 9, comprising: a processor; and a memory in which a computer program is stored, the processor executing the computer program stored in the memory to cause the device to perform the frequency domain resource configuration method according to any one of claims 7 to 9. A communication device comprising:

21. A communication device, comprising: a processor and an interface circuit; the interface circuit receives and transmits code instructions to the processor; The processor executes the code instructions to perform the frequency domain resource configuration method according to any one of claims 1 to 6. A communication device comprising:

22. A communication device, comprising: a processor and an interface circuit; the interface circuit receives and transmits code instructions to the processor; The processor executes the code instructions to perform the frequency domain resource configuration method according to any one of claims 7 to 9. A communication device comprising:

23. A computer-readable storage medium having instructions stored thereon, comprising: When the instructions are executed, the frequency domain resource configuration method according to any one of claims 1 to 6 is realized. A computer-readable storage medium comprising:

24. A computer-readable storage medium having instructions stored thereon, comprising: When the instructions are executed, the frequency domain resource configuration method according to any one of claims 7 to 9 is realized. A computer-readable storage medium comprising:

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