WO2019028842A1 - 通信方法、终端设备及网络设备 - Google Patents

通信方法、终端设备及网络设备 Download PDF

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Publication number
WO2019028842A1
WO2019028842A1 PCT/CN2017/097130 CN2017097130W WO2019028842A1 WO 2019028842 A1 WO2019028842 A1 WO 2019028842A1 CN 2017097130 W CN2017097130 W CN 2017097130W WO 2019028842 A1 WO2019028842 A1 WO 2019028842A1
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WIPO (PCT)
Prior art keywords
resource
downlink data
regions
area
resources
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PCT/CN2017/097130
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English (en)
French (fr)
Inventor
李超君
成艳
马蕊香
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2017/097130 priority Critical patent/WO2019028842A1/zh
Priority to CN201780093631.4A priority patent/CN110999454B/zh
Priority to EP17921134.7A priority patent/EP3661286B1/en
Publication of WO2019028842A1 publication Critical patent/WO2019028842A1/zh
Priority to US16/786,738 priority patent/US11770833B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of communications, and more particularly to a communication method, a terminal device, and a network device.
  • At least part of the resources originally used for transmitting the URLLC service may be configured for use by other terminal devices (for example, the first terminal device), so that when data without the URLLC service needs to be transmitted, the network The device may send downlink data to the first terminal device using at least part of the resources originally used to transmit the URLLC service.
  • the resource allocation mechanism at least a part of the resources allocated by the first terminal device and the terminal device transmitting the URLLC service are overlapped.
  • the overlapping resources need to be used, but for the first terminal device.
  • the first terminal device may still receive downlink data or detect downlink control information on the overlapping resources, and increase the terminal device to receive downlink data or detect downlink control information. The complexity is delayed.
  • the present application provides a communication method, a terminal device, and a network device, which are beneficial to reducing the delay of the terminal device receiving downlink data or detecting downlink control information.
  • the application provides a communication method, including:
  • the terminal device determines N resource regions, where N is a positive integer
  • the terminal device detects downlink scheduling information in the M resource regions, where the downlink scheduling information includes resource indication information of the P resource regions;
  • the M resource regions are M resource regions in the N resource regions
  • the P resource regions are P resource regions in the N resource regions
  • M is a positive value less than or equal to N.
  • An integer, P is a positive integer less than or equal to N.
  • the downlink scheduling information and the resource indication information of the P resource areas are used to indicate to the terminal device the resource for transmitting the downlink data, which is beneficial to improving the accuracy of the terminal device determining the resource for transmitting the downlink data, so as to reduce the terminal device.
  • the downlink scheduling information further includes downlink data resource allocation information, where the P resource regions include a first resource region and a second resource region,
  • the method further includes:
  • the resource indicated by the downlink data resource allocation information includes a part of resources in the first resource region that are used to transmit downlink data, and is transmitted.
  • the resource of the downlink data includes the part of the resources in the first resource area that are available for transmitting downlink data.
  • the P resource areas include a first resource area and a second resource area
  • the method further includes:
  • the first resource area and the second resource area are two resource areas belonging to the M resource areas;
  • the first resource area is one of the M resource areas, and the second resource area is not one of the M resource areas; or
  • the first resource area is not one of the M resource areas, and the second resource area is one of the M resource areas; or
  • the first resource area and the second resource area are not any two resource areas of the M resource areas.
  • the resource indication information of the P resource areas includes P resource indication information, and the P resource indication information and the P resource areas are a correspondence,
  • the P resource indication information is used to indicate resources in the P resource regions that are available for downlink data transmission or resources that are not available for downlink data transmission;
  • the P resource indication information is used to indicate whether the P resource regions are available for downlink data transmission.
  • the method further includes:
  • the terminal device receives configuration information of the N resource regions, where the configuration information includes first start location information for indicating a fourth resource region of the M resource regions, where the first start location information indicates a starting location of a search space of a first aggregation level, the search space of the first aggregation level being located in the fourth resource region.
  • the configuration information further includes second start location information of the fourth resource region of the M resource regions, where the second start The location information indicates a starting location of a search space of a second aggregation level, the search space of the second aggregation level is located in the fourth resource region, and the second aggregation level is different from the first aggregation level.
  • the application provides a communication method, the method comprising:
  • the network device configures N resource areas for the terminal device, where N is a positive integer
  • the network device sends downlink scheduling information to the terminal device in the M resource regions, where the downlink scheduling information includes resource indication information of the P resource regions, and the resource indication information of the P resource regions is used to indicate that the downlink data is transmitted.
  • a resource where the M resource regions are M resource regions in the N resource regions, the P resource regions are P resource regions in the N resource regions, and M is a positive value less than or equal to N
  • P is a positive integer less than or equal to N.
  • the downlink scheduling information and the resource indication information of the P resource areas are used to indicate to the terminal device the resource for transmitting the downlink data, which is beneficial to improving the accuracy of the terminal device determining the resource for transmitting the downlink data, so as to reduce the terminal device.
  • the downlink scheduling information further includes downlink data resource allocation information, where the P resource regions include a first resource region and a second resource region, The resource that can be used to transmit the downlink data in the first resource area and the resource that is not used to transmit the downlink data in the second resource area at least partially overlap, and the resource that transmits the downlink data includes the resource in the first resource area. All or part of the resources that can be used to transmit downstream data.
  • the resource indicated by the downlink data resource allocation information includes a part of the resources in the first resource area that can be used to transmit downlink data, and is transmitted.
  • the resource of the downlink data includes the part of the resources in the first resource area that are available for transmitting downlink data.
  • the P resource areas include a first resource area and a second resource area, where the downlink resource may be transmitted in the first resource area
  • the resources in the second resource region that are not capable of transmitting downlink data are at least partially overlapped, and the resources that transmit the downlink data do not include resources in the second resource region that are not available for transmitting downlink data.
  • the first resource area and the second resource area are two resource areas belonging to the M resource areas;
  • the first resource area is one of the M resource areas, and the second resource area is not one of the M resource areas; or
  • the first resource area is not one of the M resource areas, and the second resource area is one of the M resource areas; or
  • the first resource area and the second resource area are not any two resource areas of the M resource areas.
  • the resource indication information of the P resource areas includes P resource indication information, and the P resource indication information and the P resource areas are a correspondence,
  • the P resource indication information is used to indicate resources in the P resource regions that are available for downlink data transmission or resources that are not available for downlink data transmission;
  • the P resource indication information is used to indicate whether the P resource regions are available for downlink data transmission.
  • the method further includes:
  • the network device sends configuration information of the N resource regions to the terminal device, where the configuration information includes first start location information used to indicate a fourth resource region of the M resource regions, where A start location information indicates a start location of a search space of a first aggregation level, and a search space of the first aggregation level is located in the fourth resource region.
  • the configuration information further includes second start location information of the fourth resource region of the M resource regions, where the second start The location information indicates a starting location of a search space of a second aggregation level, the search space of the second aggregation level is located in the fourth resource region, and the second aggregation level is different from the first aggregation level.
  • a terminal device having the function of implementing the terminal device in the method design of the above first aspect.
  • These functions can be implemented in hardware or in software by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • a network device having the function of implementing the network device in the method design of the second aspect above.
  • These functions can be implemented in hardware or in software by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • a terminal device including a transceiver, a processor, and a memory.
  • the processor is for controlling transceiver transceiver signals for storing a computer program for calling and running the computer program from the memory such that the terminal device performs the method of the first aspect above.
  • a network device including a transceiver, a processor, and a memory.
  • the processor is for controlling transceiver transceiver signals for storing a computer program for calling and running the computer program from memory such that the network device performs the method of the second aspect.
  • a communication device may be a terminal device in the above method design, or a chip disposed in the terminal device.
  • the communication device includes a memory for storing computer executable program code, a communication interface, and a processor coupled to the memory and the communication interface.
  • the program code stored in the memory includes instructions which, when executed by the processor, cause the communication device to perform the method performed by the terminal device in any of the possible aspects of the first aspect or the first aspect described above.
  • a communication device may be a network device in the above method design, or a chip disposed in the network device.
  • the communication device includes a memory for storing computer executable program code, a communication interface, and a processor coupled to the memory and the communication interface.
  • the program code stored in the memory includes instructions which, when executed by the processor, cause the communication device to perform the method performed by the network device in any of the possible aspects of the second aspect or the second aspect above.
  • a computer program product comprising: computer program code, when the computer program code is run on a computer, causing the computer to perform the method of the above aspects.
  • a tenth aspect a computer readable medium storing program code
  • the computer program code when run on a computer, causes the computer to perform the methods of the various aspects described above.
  • a chip system comprising a processor for implementing, by the terminal device, functions involved in the above aspects, for example, generating, receiving, transmitting, or processing data involved in the above method and / or information.
  • the chip system further comprises a memory for storing necessary program instructions and data of the terminal device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • a chip system comprising a processor for supporting a network device to implement the functions involved in the above aspects, for example, generating, receiving, transmitting, or processing data involved in the above method And / or information.
  • the chip system further includes a memory for storing necessary program instructions and data of the network device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • FIG. 1 is a wireless communication system 100 to which an embodiment of the present application is applied.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of at least partially overlapping relative positional relationship between a first resource region and a second resource region in the embodiment of the present application.
  • FIG. 4 is a schematic diagram of at least partially overlapping relative positional relationship between a first resource region and a second resource region in the embodiment of the present application.
  • FIG. 5 is a schematic diagram of a relative positional relationship of at least partial overlap between a first resource region and a second resource region in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of at least partially overlapping relative positional relationship between a first resource region and a second resource region in the embodiment of the present application.
  • FIG. 7 is a schematic diagram of resource configuration in an embodiment of the present application.
  • FIG. 8 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • FIG. 9 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • FIG. 10 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • FIG. 11 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • FIG. 12 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • FIG. 15 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 16 is a schematic block diagram of a network device according to another embodiment of the present application.
  • FIG. 1 is a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 110 may be a device that communicates with a terminal device.
  • Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the wireless communication system 100 may include multiple network devices and may include other numbers of terminals within the coverage of each network device. This example does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • 5G 5G
  • the terminal device may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), a mobile device (handset) and portable devices, etc.
  • the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal device can be a mobile phone (or For "cellular" phones, computers with wireless communication capabilities, etc., the terminal devices can also be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices.
  • RAN Radio Access Network
  • the network device may be an access network device, for example, may be a base station, a Transmit and Receive Point (TRP) or an access point, and the base station may be a base station in GSM or CDMA (Base Transceiver Station).
  • BTS may also be a base station (NodeB) in WCDMA
  • NodeB may also be an evolved base station (evolved Node B, eNB or e-NodeB) in LTE, or may be an NR or 5G base station (gNB), this application
  • gNB 5G base station
  • the embodiment of the present application does not limit the length of time of a symbol.
  • the length of one symbol can vary for different subcarrier spacing.
  • the symbol may include an uplink symbol and a downlink symbol, where the uplink symbol may be referred to as Single Carrier-Frequency Division Multiple Access (SC-FDMA) symbol or Orthogonal Frequency Division Multiplexing (OFDM). ) symbol; the downlink symbol can be referred to as an OFDM symbol.
  • SC-FDMA Single Carrier-Frequency Division Multiple Access
  • OFDM Orthogonal Frequency Division Multiplexing
  • the downlink control channel in this embodiment may be sPDCCH, NR-PDCCH, and other channels defined in the future communication protocol that are similar to the downlink control channel.
  • the PDCCH (short PDCCH, or shortened PDCCH) refers to a downlink control channel whose occupied time domain resource is less than or equal to 0.5 ms.
  • NR-PDCCH new radio PDCCH refers to a downlink control channel defined in the NR system.
  • the embodiment of the present application does not limit the type and name of the downlink control channel, and is collectively referred to as a PDCCH.
  • a downlink control channel is formed by L downlink control channel elements (CCEs), and L is a positive integer.
  • the search space the set of candidate downlink control channels, can be understood as one or more candidate downlink control signals A collection of roads. Each candidate downlink control channel can be used to carry downlink control information.
  • the terminal device needs to listen to the candidate downlink control channel, so the search space is the candidate downlink control channel set monitored by the terminal device.
  • the network device may configure a first control resource region for the first terminal device and a second control resource region for the second terminal device.
  • the first terminal device cannot learn the second control resource region, and the network device does not send the downlink control information to the first terminal device through the second control resource region, and accordingly, the network device also
  • the downlink data is not sent to the first terminal device by using the resource for transmitting data corresponding to the second control resource region. Therefore, the foregoing resource configuration mechanism limits the downlink control information that the first terminal device can only obtain through the first control resource region, and the resource indicated by the downlink control information, that is, the downlink data corresponding to the first control resource region. Receiving downlink data on the resource, that is, limiting resources used by the first terminal device to receive downlink data.
  • the second terminal is a terminal device that transmits the URLLC service
  • a large amount of resources need to be reserved for the URLLC service, so that the URLLC service to be sent can be transmitted in time through the reserved resource.
  • the burstiness of the URLLC service there may be no need to transmit the URLLC service for a period of time, that is, during this time, the reserved resources are idle, and the mechanism of resource allocation is likely to be caused.
  • a large amount of resources are vacant, resulting in waste of resources.
  • the network device may allocate at least part of the resources originally used for transmitting the URLLC service to the first terminal device and the second terminal device, so that when the second terminal device has no URLLC service to be transmitted, the network device
  • the first terminal device can communicate with the first terminal device by using a resource originally used for transmitting the URLLC service, for example, sending the downlink control information to the first terminal device, further indicating that the downlink data can be used on the resource for transmitting the URLLC service.
  • the network device may not use the resource originally used for transmitting the URLLC service to communicate with the first terminal device, but the first terminal device cannot know that the original terminal device is used to transmit the URLLC service.
  • the first terminal device may still receive downlink data or detect downlink control information on the overlapping resources, and increase the computational complexity of the terminal device receiving downlink data or detecting downlink control information, thereby increasing the complexity. The delay.
  • the present application provides a communication method.
  • the communication method of the embodiment of the present application is described in detail below with reference to FIG. 2 .
  • the terminal device in the following may be the first terminal device in the above.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present application, where the method shown in FIG. 2 includes:
  • the terminal device determines N resource regions, where N is a positive integer.
  • the foregoing N resource areas may be all resource areas configured by the network device for the terminal device.
  • the terminal device detects downlink scheduling information in the M resource areas, where the downlink scheduling information includes resource indication information of the P resource areas.
  • the downlink scheduling information is used to schedule downlink data transmission, and the downlink scheduling information is carried in one or more downlink control channels in the M resource regions.
  • the downlink data is carried on a physical downlink shared channel (PDSCH).
  • the PDSCH may also be referred to as sPDSCH (shortened PDSCH) if the time domain resource occupied by the PDSCH is less than or equal to 0.5 ms.
  • the PDSCH may also be referred to as NR-PDSCH (new radio PDSCH).
  • the embodiment of the present application does not limit the name of the PDSCH.
  • the network device sends downlink scheduling information to the terminal device in the M resource regions, where the downlink scheduling information includes resource indication information of the P resource regions, and the resource indication information of the P resource regions is used to indicate the transmission.
  • the downlink scheduling information includes resource indication information of the P resource regions
  • the resource indication information of the P resource regions is used to indicate the transmission.
  • a resource of downlink data where the M resource regions are M resource regions in the N resource regions,
  • the P resource regions are P resource regions among the N resource regions, M is a positive integer less than or equal to N, and P is a positive integer less than or equal to N.
  • the network device allocates resources originally allocated to other terminal devices (for example, resources for the second terminal device to transmit the URLLC service or for the second terminal device to transmit the downlink control information)
  • the control resource is configured to the terminal device, and the resource region in which the terminal device detects downlink scheduling information may be only the foregoing M resource regions. That is to say, more resources for transmitting data can be configured for the terminal device, but the number of additional PDCCH blind detections of the terminal device is not introduced.
  • the resource indication information of the P resource areas includes P resource indication information, where the P resource indication information is in one-to-one correspondence with the P resource areas, where the P resource indication information is used to indicate A resource that is available for downlink data transmission or a resource that is not available for downlink data transmission in the P resource regions; or the P resource indication information is used to indicate whether the P resource regions are available for downlink data transmission .
  • the resource indication information may be used to indicate the usage of resources in the resource area corresponding to the resource indication information, and may be specifically classified into the following five different usages.
  • the ith resource indication information in the P resource indication information is described below, and the resource region corresponding to the ith resource indication information is referred to as an ith resource region.
  • the i-th resource indication information is used to indicate a resource that is not available for downlink data transmission in the i-th resource region, or a resource that cannot be mapped by the PDSCH in the i-th resource region.
  • the foregoing resources that are not available for downlink data transmission may be resources occupied by other terminal devices, for example, resources for transmitting downlink data or downlink control information of other terminal devices; the foregoing resources that are not available for downlink data transmission are also It may be a resource for transmitting downlink control information of the terminal device.
  • the resource that is not available for transmitting the downlink data in the i-th resource region includes a resource that is occupied by the downlink control channel in the i-th resource region.
  • the foregoing resources that are not available for downlink data transmission may be equal to or greater than resources occupied by the downlink control channel.
  • the resource granularity indicated by the resource indication information may not be fine enough, and the resource indicated by the resource indication information that is not available for downlink data transmission is larger than the resource occupied by the downlink control channel.
  • the resources indicated by the foregoing i-th resource indication information that are not available for downlink data transmission should be equal to or slightly larger than resources occupied by the downlink control channel. Therefore, “resources that are not available for downlink data transmission” may also be referred to as “resources occupied by the downlink control channel.”
  • the i-th resource indication information is used to indicate a resource that can be used for downlink data transmission in the i-th resource region, or a resource that can be mapped by the PDSCH in the i-th resource region.
  • the resources indicated by the foregoing i-th resource indication information that can be used for downlink data transmission should be equal to or slightly smaller than resources that are not occupied by the downlink control channel. Therefore, the foregoing resources that can be used for downlink data transmission can also be used. It is understood as a resource that is not occupied by the downlink control channel.
  • the ith resource indication information is used to indicate whether the ith resource region can be used for downlink data transmission, that is, whether it can be mapped by the PDSCH.
  • the ith resource indication information occupies 1 bit, and when the value of the bit is A, the ith resource indication information indicates that the ith resource region can be used for downlink data transmission; when the value of the bit is B The ith resource indication information indicates that the ith resource region is not available for downlink data transmission.
  • A represents '1' in binary.
  • B denotes '0' in binary; or, B denotes '1' in binary, and A denotes '0' in binary.
  • the ith resource indication information is used to indicate whether the resource occupied by the downlink data includes the resource in the ith resource region, that is, whether the resource mapped by the PDSCH includes the resource of the ith resource region.
  • the ith resource indication information when the ith resource indication information occupies 1 bit, when the value of the bit is A, the ith resource indication information may indicate that the resource occupied by the downlink data includes the resource in the ith resource region; When the value of the bit is B, the resource indication information of the i-th resource area indicates that the resource occupied by the downlink data does not include the resource in the i-th resource area.
  • A represents '1' in binary
  • B represents '0' in binary
  • B represents '1' in binary
  • A represents '0' in binary.
  • the foregoing i th resource indication information is used to indicate whether the resource in the i th resource region is used only for downlink control channel transmission.
  • the resource indication information of the ith resource area occupies 1 bit, and when the value of the bit is A, the ith resource indication information indicates that the ith resource area can also be used for transmitting downlink data;
  • the value of the bit is B
  • the i-th resource indication information indicates that the resource in the i-th resource region is used for downlink control channel transmission only.
  • A is '1' in binary
  • B is '0' in binary
  • B is '1' in binary
  • A is '0' in binary.
  • the resource indication information indicated by the resource indication information of the ith resource area in the foregoing usage 1 and usage 2 in the embodiment of the present application is smaller and more accurate, which is beneficial to improving the resource usage rate.
  • the resource indication information of the i-th resource region may occupy fewer bits (for example, 1 bit) to reduce the transmission overhead of information.
  • the i-th resource indication information indicates that the i-th resource region can be used for downlink data transmission
  • the terminal device detects one or more downlink control channels in the i-th resource region, The resources occupied by the one or more downlink control channels cannot be released to the downlink data, that is, the resources occupied by the one or more downlink control channels cannot be used for downlink data transmission.
  • the terminal device determines, according to the resource indication information of the P resource regions, the resource that transmits the downlink data, where the M resource regions are M resource regions in the N resource regions, where the P The resource regions are P resource regions among the N resource regions, M is a positive integer less than or equal to N, and P is a positive integer less than or equal to N.
  • the resource for transmitting the downlink data may be a resource that is actually used for transmitting the downlink data, where the resource may refer to a time domain and/or a frequency domain resource.
  • the downlink scheduling information and the resource indication information of the P resource areas are used to indicate to the terminal device the resource for transmitting the downlink data, which is beneficial to improving the accuracy of the terminal device determining the resource for transmitting the downlink data, and improving the downlink resource utilization. Rate, and reduce the delay in which the terminal device receives downlink data or detects downlink control information.
  • the method before the determining, by the terminal device, the N resource regions, the method further includes: receiving, by the terminal device, configuration information of the N resource regions sent by the network device, where the N The configuration information of the resource area is used to configure the N resource areas for the terminal device.
  • the network device may configure the N resource regions for the terminal device, and send the configuration information of the N resource regions to the terminal device, and the terminal device determines the N resource regions according to the configuration information of the N resource regions.
  • the method further includes: the terminal device receiving the downlink data on the resource for transmitting the downlink data.
  • M is a positive integer less than or equal to N
  • the M resource regions are M of the N resource regions.
  • the network device configures at least one search space on each of the M resource regions.
  • the terminal device needs to perform PDCCH blind detection on one or more search spaces in the M resource regions, thereby detecting whether downlink control information exists.
  • the network device also does not send downlink control information of the terminal device on the (N-M) resource areas.
  • the M resource regions are referred to as a control resource set, and (N-M) resource regions after the M resource regions are removed from the N resource regions adopt other names.
  • the P resource regions may all be control resource sets, or partially control resource sets.
  • the N resource regions are referred to as a control resource set.
  • the embodiment of the present application is not particularly limited.
  • a control-resource set (CORESET) is a resource set for transmitting downlink control information, and may also be referred to as a control resource region or a PDCCH resource set.
  • the downlink control channel resource set includes one or more downlink control channel elements, and any one of the downlink control channel resource sets is composed of one or more downlink control channel units in the downlink control channel resource set.
  • the resources occupied by the downlink control channel resource set may be defined by time domain resources and frequency domain resources.
  • the P resources include a first resource area and a second resource area
  • the method includes: the terminal device according to the resource indication information of the first resource area, and the second The indication information of the resource area determines that resources in the first resource area that are available for transmitting downlink data and resources that are not available for transmitting downlink data in the second resource area at least partially overlap. That is, the resource that is available for transmitting downlink data and the second resource region that is indicated by the indication information of the second resource region in the first resource region indicated by the resource indication information of the first resource region is not available.
  • the resources used to transmit downstream data at least partially overlap.
  • the resources that are used to transmit the downlink data in the first resource area and the resources that are not available to transmit the downlink data in the second resource area are at least partially overlapped, and may include the resources available for transmitting the downlink data in the first resource area, and the second The resources in the resource area that are not available for transmitting downlink data are completely overlapped, or the resources in the first resource area that are available for transmitting downlink data and the resources in the second resource region that are not available for transmitting downlink data overlap.
  • a resource used to transmit downlink data that is, a resource that the PDSCH can map.
  • a resource that cannot be used to transmit downlink data that is, a resource that the PDSCH cannot map.
  • the resource that can be used to transmit downlink data in the first resource area may be all of the first resource area, or part of the first resource area, for example, a part of a control channel element (CCE), part of a symbol, Part of the frequency domain resources, or resources occupied by part of the search space.
  • the resource in the second resource region that is not available for transmitting downlink data may be all of the second resource region or a portion of the second resource region.
  • resources that are available for transmitting downlink data in the first resource region and resources that are not available for transmitting downlink data in the second resource region may overlap partially to form an overlapping region.
  • the terminal device After receiving the downlink scheduling information, the terminal device cannot determine whether the overlapping area can be used for downlink data transmission. In order to avoid inconsistency between the processing methods of the terminal device and the network device for the overlapping area, the downlink data receiving error is caused.
  • a unified set of rules needs to be determined between the terminal device and the network device. In the subsequent pass, both parties follow the unified rule to reduce the probability of the terminal receiving the downlink data error.
  • the unified rule can be Any of the rules described in the text. It should be noted that the method in this embodiment of the present application can also be used for resource confusion in more than two resource regions.
  • the resource that overlaps between the resource for transmitting data in the first resource region and the resource that is not available for transmitting downlink data in the second resource region is a resource that can be used for transmitting downlink data.
  • downlink data is preferentially transmitted on the overlapping resources. That is, the available resources have a higher priority, and the non-available resources in the second resource area are particularly applicable to the resources in the first resource area that can be used to transmit downlink data, or the first resource area can be used to transmit downlink data. A situation where resources and non-available resources in the second resource area overlap.
  • downlink data is not transmitted on resources overlapping between resources for transmitting data in the first resource region and resources not available for transmitting downlink data in the second resource region.
  • the above overlapping resources are not used to transmit downlink data.
  • downlink control information for scheduling other terminal devices, or downlink data (for example, URLLC service data) may be preferentially transmitted on the above-mentioned overlapping resources. That is, the non-available resource has a higher priority, and is particularly applicable to the resource in the first resource area that can be used for transmitting the downlink data, including the non-available resource in the second resource area, or the first resource area can be used to transmit the downlink data. The case where the resources overlap with the non-available resources in the second resource area.
  • Rule 3 If the resource that is available for transmitting downlink data in the first resource area and the resource that is not available for transmitting downlink data in the second resource area partially overlap, the terminal device determines that the downlink scheduling information is an error message. And not receiving downlink data according to the downlink scheduling information. If Rule 3 is adopted, the network device needs to avoid this confusion by reasonable scheduling.
  • the downlink scheduling information further includes downlink data resource allocation information. That is, the downlink scheduling information includes downlink data resource allocation information and resource indication information of the P resource regions.
  • the downlink data resource allocation information indicates resources occupied by downlink data.
  • the resources occupied by the downlink data can be regarded as the initial resources of the downlink data, and finally the resources for actually transmitting the downlink data are further determined together with the resource indication information of the P resource regions.
  • the downlink data resource allocation information includes downlink data time domain resource information and/or downlink data frequency domain resource information. It should be noted that the downlink data resource allocation information and the resource indication information of the P resource regions may be jointly indicated, or may be independently indicated, and the embodiment of the present application is not limited.
  • the resource allocation information of the downlink data may be the resource allocation information in the existing communication system, or may be the newly defined information, which is not specifically limited in this embodiment of the present application.
  • the terminal device determines, according to the resource indication information of the P resource regions, the resource for transmitting the downlink data, which may include: the terminal device according to the resource indication information of the P resource regions and the downlink
  • the data resource allocation information determines a resource for transmitting the downlink data, and the resource for transmitting the downlink data includes all resources or a part of resources in the first resource region that can be used for transmitting downlink data.
  • the finally determined resource for transmitting downlink data is recorded as resource A
  • the resource indicated by the downlink data resource allocation information is recorded as resource B
  • resources in the first resource region that can be used for transmitting downlink data are recorded as Resource C
  • the resource in the second resource area that is not available for transmitting downlink data is recorded as resource D.
  • the resource indicated by the downlink data resource allocation information includes a part of resources in the first resource area that are used to transmit downlink data, and the resource that transmits the downlink data includes the first resource area. The portion of the resources in the resources that can be used to transmit downlink data.
  • the frequency domain resource and/or the time domain resource of the resource A are only located in the frequency domain resource and/or the time domain resource of the resource B. If the frequency domain resource and/or the time domain resource of the resource C exceeds the frequency domain resource and/or the time domain resource of the resource B, the frequency domain resource and/or the time domain resource exceeding the resource B in the resource C cannot be released to the downlink data. Therefore, the resource for transmitting the downlink data includes a part of resources in the first resource region that are available for transmitting downlink data.
  • the frequency domain resource and/or the time domain resource of resource B includes all frequency domain resources and/or all time domains of resource C.
  • the resource, so the resource for transmitting the downlink data includes all resources in the first resource region that are available for transmitting downlink data.
  • the frequency domain resource and/or the time-frequency resource of the resource A may include all frequency domain resources and/or all time domain resources of the resource C. That is, the frequency domain resource and/or the time-frequency resource of the resource A may exceed the frequency domain resource and/or the time domain resource range of the resource B. Therefore, the resource for transmitting the downlink data includes all resources in the first resource region that are available for transmitting downlink data.
  • the resource for transmitting the downlink data indicated by the downlink data resource allocation information partially overlaps with the resource that can be used for transmitting the downlink data in the first resource region, where the resource for transmitting the downlink data includes the available resources in the first resource region.
  • the part of the resource for transmitting the downlink data may include a resource for transmitting the downlink data, where the resource for transmitting the downlink data indicated by the downlink data resource allocation information overlaps with the resource for transmitting the downlink data in the first resource region.
  • the terminal device determines, according to the resource indication information of the P resource areas, the resource for transmitting the downlink data, which may include: the terminal device according to the resource indication information of the P resource areas and the downlink
  • the data resource allocation information determines a resource for transmitting the downlink data, and the resource for transmitting the downlink data does not include a resource in the second resource region that is not available for transmitting downlink data.
  • the terminal device determines, according to the resource indication information of the P resource regions, the resource for transmitting the downlink data, which may include: the terminal device according to the resource indication information of the P resource regions, The resource that can transmit downlink data in the first resource area and the resource that cannot transmit downlink data in the second resource area at least partially overlap, determine that the downlink scheduling information is error information, and do not receive downlink data according to the downlink scheduling information. . That is, there is no resource for transmitting downlink data, and therefore, the terminal device does not need to receive downlink data.
  • the terminal device receives the rule configuration information, where the rule configuration information indicates that the rule 1, the rule 2, or the rule 3 is adopted. Then, the terminal device determines the currently adopted rule according to the rule configuration information. Accordingly, the network device determines the currently employed rules and sends the rule configuration information.
  • the rule adopted is determined according to at least one of the following: if the resource C and the resource D partially overlap, the rule 1 or the rule 2 is adopted; or if the resource C includes the resource D, the rule 2 is adopted; if the resource D includes the resource C, the rule is adopted. Rule one.
  • the foregoing resources that can be used for transmitting downlink data may refer to resources that can be used for transmitting downlink data, but do not represent that downlink data is finally transmitted on the resources that can be used for transmitting downlink data.
  • the foregoing resources that are not used for transmitting the downlink data may be the resources that the network device indicates that cannot be used for transmitting the downlink data.
  • the downlink data may also be transmitted on the resources that are not used for transmitting the downlink data. .
  • FIG. 3 to FIG. 6 are schematic diagrams showing the relative positional relationship of at least partial overlap between the first resource region and the second resource region in the embodiment of the present application.
  • FIG. 3 shows a case where there is a partial overlap between resources in the first resource region and resources in the second resource region in the embodiment of the present application.
  • FIG. 4 shows a case where the first resource region includes the second resource region in the embodiment of the present application.
  • FIG. 5 shows a case where the second resource region includes the first resource region in the embodiment of the present application.
  • FIG. 6 shows a case where the first resource region and the second resource region completely overlap in the embodiment of the present application.
  • the P resource regions and the M resource regions may be identical, or partially identical, or completely different.
  • the P resource regions include a first resource region and a second resource region, where the M resource regions include a first resource region and a third resource region, which are partially identical cases.
  • P is equal to N, that is, the resource indication information indicates resource usage of the N resource regions.
  • P is less than N, then (N-P) resource regions Resources cannot be released for use in downstream data (ie PDSCH).
  • the first resource area and the second resource area are two resource areas belonging to the M resource areas; or the first resource area belongs to the M resource areas.
  • the second resource area belongs to one of the M resource areas; or the first resource area and the second resource area are not any two of the M resource areas Resource area.
  • the method further includes:
  • the terminal device receives the configuration information of the N resource regions that are sent by the network device, where the configuration information of the N resources is used to configure the N resource regions for the terminal device.
  • the network device configures N resource areas for the terminal device, where N is a positive integer; the network device sends configuration information of the N resource areas to the terminal device, where configuration information of the N resources is used for The terminal device configures the N resource regions.
  • the N resource areas include a fifth resource area, where the configuration information of the N resource areas includes configuration information of the fifth resource area, and configuration information of the fifth resource area.
  • the search space configuration information of the fifth resource area includes the search space quantity indication information in the fifth resource area, where the search space quantity indication information indicates whether the fifth resource area includes a search space; or
  • the search space quantity indication information indicates that the first resource area includes the number of S search spaces, and S is an integer.
  • the search space configuration information of the fifth resource area further includes aggregation level indication information, where the aggregation level indication information is used to indicate a collection level of the search space in the fifth resource area.
  • the network device indicates, by using the aggregation level indication information, that a search space with aggregation levels L1 and L2 exists in the fifth resource region of the terminal device.
  • the fifth resource area is one of the M resource areas, and the configuration information of the fifth resource area includes search space configuration information of the fifth resource area.
  • the fifth resource area is a resource area of the N resource areas except the M resource areas, and the configuration information of the fifth resource area is used to configure the terminal device not to be in the The PDCCH blind detection is performed in the fifth resource region, or the number of search spaces in the fifth resource region is 0, or the fifth resource region has no search space.
  • the configuration information of the fifth resource area does not include the search space configuration information of the fifth resource area; or the configuration information of the fifth resource area includes the search space configuration information of the fifth resource area.
  • the search space configuration information of the fifth resource area indicates that the number of search spaces in the fifth resource area is 0; or the configuration information of the fifth resource area includes search space configuration information of the fifth resource area
  • the search space configuration information of the fifth resource area indicates that the fifth resource area has no search space.
  • the foregoing first resource area and/or the second resource area may also adopt a configuration method of the fifth resource area. Because the content is the same, only the fifth resource area needs to be replaced with the first resource area or the second resource area, and details are not described herein again.
  • the method further includes: receiving, by the terminal device, configuration information of the N resource regions, where the configuration information includes indicating a fourth resource region of the M resource regions.
  • First start Location information where the first starting location information indicates a starting location of a search space of a first aggregation level, and the search space of the first aggregation level is located in the fourth resource region.
  • the configuration information further includes second start location information of a fourth resource region of the M resource regions, where the second start location information indicates a second aggregation level search.
  • the starting position of the space, the search space of the second aggregation level is located in the fourth resource area, and the second aggregation level is different from the first aggregation level.
  • the starting position of the search space of the first aggregation level and the starting position of the search space of the second aggregation level may be the same or different. If the starting position of the search space of the first aggregation level is the same as the starting position of the search space of the second aggregation level, the channel estimation results corresponding to the search spaces of the two different aggregation levels may be shared, and the implementation of the terminal device is reduced. degree. If the starting position of the search space of the first aggregation level is different from the starting position of the search space of the second aggregation level, the overlapping area of the search spaces of the two different aggregation levels may be reduced. It is beneficial to reduce the probability of PDCCH collision.
  • the channel estimation result corresponding to the search space of the two different aggregation levels is shared by configuring the starting position of the search space of the first aggregation level and the actual location of the search space of the second aggregation level, which is beneficial to the channel estimation result corresponding to the search space of two different aggregation levels.
  • Reduce the complexity of terminal device implementation When the starting position of the search space of the first aggregation level is different from the starting position of the search space of the second aggregation level, the overlapping area of the search space of two different aggregation levels may be reduced, which is beneficial to reducing the probability of PDCCH collision.
  • the PDCCH collision probability between different terminal devices can also be reduced by network device configuration.
  • the foregoing first resource area and/or the second resource area may also adopt a configuration method of a starting location of a search space of the fourth resource area. Because the content is the same, only the fourth resource area needs to be replaced by the first/second resource area, and details are not described herein again.
  • the resources in the first resource region that can be used to transmit downlink data are all resources in the first resource region (referred to as the first resource region), and the resources in the second resource region are not available for transmission.
  • the resource of the downlink data is described as an example of all the resources in the second resource region (referred to as the second resource region), but the embodiment of the present application is not limited thereto.
  • FIG. 7 is a schematic diagram of resource configuration in an embodiment of the present application.
  • the resource for transmitting downlink data indicated by the downlink data resource configuration information occupies two symbols in the time domain, and the frequency occupied in the frequency domain is represented by F.
  • the first resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f1.
  • the second resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f2.
  • the resource allocation information of the downlink resource, the resource indication information of the first resource area, and the resource indication information of the second resource area are transmitted.
  • the resources actually occupied by the downlink data include resources other than the resources in the second resource region, among the resources for transmitting the downlink data indicated by the downlink data resource configuration information, where only the resources belonging to the second resource region are the second.
  • resources included in the resource area resources located outside the overlapping area of the first resource area and the second resource area.
  • FIG. 8 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • the resource for transmitting downlink data indicated by the downlink data resource configuration information occupies 2 symbols in the time domain, and the frequency occupied in the frequency domain is represented by F.
  • the first resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f1.
  • First The two resource regions occupy one symbol in the time domain, and the frequency occupied in the frequency domain is represented by f2.
  • the resource allocation information of the downlink resource, the resource indication information of the first resource area, and the resource indication information of the second resource area are transmitted.
  • the resources actually occupied by the downlink data include resources other than the resources in the second resource region, among the resources for transmitting the downlink data indicated by the downlink data resource configuration information, where only the resources belonging to the second resource region are the second.
  • resources included in the resource area resources located outside the overlapping area of the first resource area and the second resource area.
  • FIG. 9 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • the resource for transmitting downlink data indicated by the downlink data resource configuration information occupies 2 symbols in the time domain, and the frequency occupied in the frequency domain is represented by F.
  • the first resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f1.
  • the second resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f2.
  • the second resource area includes the first resource area, and the resource for transmitting downlink data indicated by the downlink data resource configuration information includes all resources in the first resource region, and the resource for transmitting downlink data indicated by the downlink data resource configuration information includes the second resource.
  • the resource allocation information of the downlink resource, the resource indication information of the first resource area, and the resource indication information of the second resource area are transmitted.
  • the resources actually occupied by the downlink data include resources other than the resources in the second resource region, among the resources for transmitting the downlink data indicated by the downlink data resource configuration information, where only the resources belonging to the second resource region are the second.
  • resources included in the resource area resources located outside the overlapping area of the first resource area and the second resource area. That is to say, the resources actually occupied by the transmission downlink data include all the resources in the first resource region.
  • FIG. 10 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • the resource for transmitting downlink data indicated by the downlink data resource configuration information occupies 2 symbols in the time domain, and the frequency occupied in the frequency domain is represented by F.
  • the first resource region occupies 2 symbols in the time domain, and the frequency occupied in the frequency domain is represented by f1.
  • the second resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f2.
  • the resource allocation information of the downlink resource, the resource indication information of the first resource area, and the resource indication information of the second resource area are transmitted.
  • the resources actually occupied by the downlink data include all resources in the first resource region, and resources in the resources for transmitting downlink data indicated by the downlink data resource configuration information, except for resources only belonging to the second resource region, where only The resource in the second resource region is a resource that is included in the resource included in the second resource region and is located outside the overlapping region of the first resource region and the second resource region.
  • FIG. 11 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • the resource for transmitting downlink data indicated by the downlink data resource configuration information occupies 2 symbols in the time domain, and the frequency occupied in the frequency domain is represented by F.
  • the first resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f1.
  • the second resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f2.
  • the overlapping area between the first resource area and the second resource area, and the downlink data indicated by the downlink data resource configuration information The resources only include some resources in the first resource area.
  • the resource allocation information of the downlink resource, the resource indication information of the first resource area, and the resource of the second resource area are used.
  • the indication information, the resource actually occupied by the transmission downlink data includes resources other than the resources in the second resource region of the resources for transmitting the downlink data indicated by the downlink data resource configuration information.
  • FIG. 12 is a schematic diagram of resource configuration according to another embodiment of the present application.
  • the resource for transmitting downlink data indicated by the downlink data resource configuration information occupies 2 symbols in the time domain, and the frequency occupied in the frequency domain is represented by F.
  • the first resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f1.
  • the second resource region occupies 1 symbol in the time domain, and the frequency occupied in the frequency domain is represented by f2.
  • the resource allocation information of the downlink resource, the resource indication information of the first resource area, and the second resource area are used.
  • the resource indication information, the resource actually occupied by the transmission downlink data includes all resources in the first resource region, and resources other than the resources in the second resource region of the resources for transmitting downlink data indicated by the downlink data resource configuration information.
  • FIG. 13 to FIG. 16 can implement the various steps in FIG. 2, that is, the apparatus can perform all the methods in the foregoing embodiments. Therefore, specific details can be referred to the description in the above embodiments, in order to avoid Repeat, no longer detailed here.
  • FIG. 13 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 1300 shown in FIG. 13 includes a determining unit 1310 and a detecting unit 1320.
  • a determining unit configured to determine N resource regions, where N is a positive integer
  • a detecting unit configured to detect downlink scheduling information in the M resource areas, where the downlink scheduling information includes resource indication information of the P resource areas;
  • the determining unit is further configured to determine, according to the resource indication information of the P resource regions, a resource for transmitting downlink data,
  • the M resource regions are M resource regions in the N resource regions
  • the P resource regions are P resource regions in the N resource regions
  • M is a positive value less than or equal to N.
  • An integer, P is a positive integer less than or equal to N.
  • the downlink scheduling information and the resource indication information of the P resource areas are used to indicate to the terminal device the resource for transmitting the downlink data, which is beneficial to improving the accuracy of the terminal device determining the resource for transmitting the downlink data, so as to reduce the terminal device.
  • the downlink scheduling information further includes downlink data resource allocation information, where the P resource regions include a first resource region and a second resource region, and the determining unit is further configured to:
  • the resource indicated by the downlink data resource allocation information includes a part of resources in the first resource area that are used to transmit downlink data, where the resource for transmitting the downlink data includes the The partial resources in the first resource region that are available for transmitting downlink data.
  • the P resource areas include a first resource area and a second resource area
  • the determining unit is further configured to:
  • the first resource area and the second resource area are two resource areas belonging to the M resource areas; or
  • the first resource area is one of the M resource areas, and the second resource area is not one of the M resource areas; or
  • the first resource area is not one of the M resource areas, and the second resource area is one of the M resource areas; or
  • the first resource area and the second resource area are not any two resource areas of the M resource areas.
  • the resource indication information of the P resource areas includes P resource indication information, where the P resource indication information is in one-to-one correspondence with the P resource areas.
  • the P resource indication information is used to indicate resources in the P resource regions that are available for downlink data transmission or resources that are not available for downlink data transmission;
  • the P resource indication information is used to indicate whether the P resource regions are available for downlink data transmission.
  • the terminal device further includes:
  • a receiving unit configured to receive configuration information of the N resource regions, where the configuration information includes first starting location information used to indicate a fourth resource region of the M resource regions, where the first starting location information is Indicates a starting location of a search space of a first aggregation level, where the search space of the first aggregation level is located in the fourth resource region.
  • the configuration information further includes second start location information of a fourth resource region of the M resource regions, where the second start location information indicates a second aggregation level search.
  • the starting position of the space, the search space of the second aggregation level is located in the fourth resource area, and the second aggregation level is different from the first aggregation level.
  • the determining unit 1310 and the detecting unit 1320 may be a processor 1420.
  • the terminal device may further include a transceiver 1440, an input/output interface 1430 and a memory 1410, as shown in FIG. 14 .
  • FIG. 14 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • the terminal device can perform all the methods in the foregoing embodiments. For details, refer to the description in the foregoing embodiments. To avoid repetition, details are not described herein again.
  • the terminal device 1400 shown in FIG. 14 may include a memory 1410, a processor 1420, an input/output interface 1430, and a transceiver 1440. Wherein, the memory 1410, the processor 1420, the input/output interface 1430, and the receiving The transmitter 1440 is connected by an internal connection path.
  • the memory 1410 is configured to store instructions.
  • the processor 1420 is configured to execute instructions stored in the memory 1420 to control the input/output interface 1430 to receive input data and information, and output operation results and the like. And control the transceiver 1440 to send a signal.
  • the processor 1420 is configured to determine N resource regions, where N is a positive integer.
  • the processor 1420 is further configured to detect downlink scheduling information in the M resource areas, where the downlink scheduling information includes resource indication information of the P resource areas, and the determining unit is further configured to use, according to the P resource areas,
  • the resource indication information is used to determine a resource for transmitting downlink data, where the M resource regions are M resource regions in the N resource regions, and the P resource regions are P in the N resource regions.
  • M is a positive integer less than or equal to N
  • P is a positive integer less than or equal to N.
  • the processor 1420 is further configured to determine, according to the resource indication information of the P resource regions, a resource for transmitting downlink data.
  • the processor 1420 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • transceiver 1440 also known as a communication interface, utilizes transceivers such as, but not limited to, transceivers to enable communication between terminal 1400 and other devices or communication networks.
  • the memory 1410 can include read only memory and random access memory and provides instructions and data to the processor 1420.
  • a portion of processor 1420 may also include a non-volatile random access memory.
  • the processor 1420 can also store information of the device type.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1420 or an instruction in a form of software.
  • the communication method disclosed in the embodiment of the present application may be directly implemented as a hardware processor execution completion, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1410, and the processor 1420 reads the information in the memory 1410 and, in conjunction with its hardware, performs the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the downlink scheduling information and the resource indication information of the P resource areas are used to indicate to the terminal device the resource for transmitting the downlink data, which is beneficial to improving the accuracy of the terminal device determining the resource for transmitting the downlink data, so as to reduce the terminal device.
  • FIG. 15 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 1500 shown in FIG. 15 includes a configuration unit 1510 and a transmitting unit 1520.
  • the configuration unit is configured to configure N resource areas for the terminal device, where N is a positive integer.
  • a sending unit configured to send downlink scheduling information to the terminal device in the M resource areas, where the downlink scheduling information is
  • the information includes the resource indication information of the P resource areas, where the resource indication information of the P resource areas is used to indicate the resource for transmitting the downlink data, where the M resource areas are the M resource areas of the N resource areas.
  • the P resource regions are P resource regions in the N resource regions, M is a positive integer less than or equal to N, and P is a positive integer less than or equal to N.
  • the downlink scheduling information further includes downlink data resource allocation information, where the P resource regions include a first resource region and a second resource region, where the first resource region is used for transmitting downlink
  • the resource indicated by the downlink data resource allocation information includes a part of resources in the first resource area that are used to transmit downlink data, where the resource for transmitting the downlink data includes the The partial resources in the first resource region that are available for transmitting downlink data.
  • the P resource areas include a first resource area and a second resource area, where the downlink resource and the second resource area are incapable of transmitting downlink
  • the resources of the data at least partially overlap, and the resources for transmitting the downlink data do not include resources in the second resource region that are not available for transmitting downlink data.
  • the first resource area and the second resource area are two resource areas belonging to the M resource areas; or
  • the first resource area is one of the M resource areas, and the second resource area is not one of the M resource areas; or
  • the first resource area is not one of the M resource areas, and the second resource area is one of the M resource areas; or
  • the first resource area and the second resource area are not any two resource areas of the M resource areas.
  • the resource indication information of the P resource areas includes P resource indication information, where the P resource indication information is in one-to-one correspondence with the P resource areas.
  • the P resource indication information is used to indicate resources in the P resource regions that are available for downlink data transmission or resources that are not available for downlink data transmission;
  • the P resource indication information is used to indicate whether the P resource regions are available for downlink data transmission.
  • the sending unit is further configured to send configuration information of the N resource areas to the terminal device, where the configuration information includes, to indicate, in the M resource areas.
  • First start location information of the four resource regions where the first start location information indicates a start location of a search space of a first aggregation level, and the search space of the first aggregation level is located in the fourth resource region.
  • the configuration information further includes second start location information of a fourth resource region of the M resource regions, where the second start location information indicates a second aggregation level search.
  • the starting position of the space, the search space of the second aggregation level is located in the fourth resource area, and the second aggregation level is different from the first aggregation level.
  • the configuration unit 1510 may be a processor 1620, and the sending unit 1520 may be a transceiver 1640.
  • the network device may further include an input/output interface 1630 and a memory 1610, as shown in FIG. 16 . Shown.
  • FIG. 16 is a schematic block diagram of a network device according to another embodiment of the present application.
  • the network device 1600 shown in FIG. 16 may include a memory 1610, a processor 1620, an input/output interface 1630, and a transceiver 1640.
  • the memory 1610, the processor 1620, the input/output interface 1630, and the transceiver 1640 are connected by an internal connection path.
  • the memory 1610 is configured to store instructions for executing the instructions stored by the memory 1620 to control input/
  • the output interface 1630 receives the input data and information, outputs data such as the operation result, and controls the transceiver 1640 to transmit a signal.
  • the processor 1620 is configured to configure N resource areas for the terminal device, where N is a positive integer.
  • the transceiver 1640 is configured to send downlink scheduling information to the terminal device in the M resource areas, where the downlink scheduling information includes resource indication information of the P resource areas, and the resource indication information of the P resource areas is used to indicate a resource for transmitting downlink data, where the M resource regions are M resource regions in the N resource regions, and the P resource regions are P resource regions in the N resource regions, where M is less than or A positive integer equal to N, and P is a positive integer less than or equal to N.
  • the processor 1620 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • transceiver 1640 also known as a communication interface, enables communication between network device 1600 and other devices or communication networks using transceivers such as, but not limited to, transceivers.
  • the memory 1610 can include read only memory and random access memory and provides instructions and data to the processor 1620.
  • a portion of processor 1620 may also include a non-volatile random access memory.
  • the processor 1620 can also store information of the device type.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1620 or an instruction in a form of software.
  • the communication method disclosed in the embodiment of the present application may be directly implemented as a hardware processor execution completion, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1610, and the processor 1620 reads the information in the memory 1610 and, in conjunction with its hardware, performs the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM random access memory
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • synchronous dynamic randomness synchronous dynamic randomness.
  • Synchronous DRAM SDRAM
  • DDR SDRAM double data rate synchronous DRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous connection dynamic random access memory Take memory
  • DR RAM direct memory bus random access memory
  • the above embodiments may be implemented in whole or in part by software, hardware, firmware or any other combination.
  • the above-described embodiments may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded or executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that contains one or more sets of available media.
  • the usable medium can be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium.
  • the semiconductor medium can be a solid state hard drive.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division, and the actual implementation may have another division manner, such as multiple units or groups. Pieces can be combined or integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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Abstract

本申请提供了一种通信方法、终端设备和网络设备，该方法包括终端设备确定N个资源区域，N为正整数；所述终端设备在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息；所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。在本申请实施例中，通过下行调度信息以及P个资源区域的资源指示信息，向终端设备指示传输下行数据的资源，有利于提高终端设备确定传输下行数据的资源的准确度，以减少终端设备接收下行数据或检测下行控制信息的时延。

Description

通信方法、终端设备及网络设备 技术领域
本申请涉及通信领域，并且更具体地，涉及一种通信方法、终端设备及网络设备。
背景技术
在5G通信系统中，存在多种不同类型的业务，不同类型的业务所需的传输需求不同。如果使用现有技术中资源分配的原则，可能会使得一部分资源在一段时间内处于空闲状态，降低了资源的使用率。例如，对于高可靠低时延通信(ultra reliable and low latency communications，URLLC)业务来说，为了满足该类业务的低时延需求，需要预留大量的资源为URLLC业务提供传输需求。但是由于URLLC业务的突发性，在一段时间有可能没有URLLC业务的数据需要发送，此时，为URLLC业务预留的资源处于空闲状态。因此，为了提高资源的利用率，可以将原来用于传输URLLC业务的至少部分资源配置给其他终端设备(例如，第一终端设备)使用，这样，在没有URLLC业务的数据需要传输的时候，网络设备可以使用原本用于传输URLLC业务的至少部分资源向第一终端设备发送下行数据。
然而，由于上述资源分配的机制，第一终端设备与传输URLLC业务的终端设备被配置的资源至少一部分是重叠的，当有待发送的URLLC业务时，需要使用上述重叠资源，但是对于第一终端设备而言，无法获知上述重叠资源对于自己来说是否可用，因此，第一终端设备可能还是会在上述重叠资源上接收下行数据或者检测下行控制信息，增加了终端设备接收下行数据或检测下行控制信息的复杂度及时延。
发明内容
本申请提供一种通信方法、终端设备和网络设备，有利于减少终端设备接收下行数据或检测下行控制信息的时延。
第一方面，本申请提供一种通信方法，包括：
终端设备确定N个资源区域，N为正整数；
所述终端设备在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息；
所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，
其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
在本申请实施例中，通过下行调度信息以及P个资源区域的资源指示信息，向终端设备指示传输下行数据的资源，有利于提高终端设备确定传输下行数据的资源的准确度，以减少终端设备接收下行数据或检测下行控制信息的时延。
结合第一方面，在第一方面的一种可能的实现方式中，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，
所述方法还包括：
所述终端设备根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠；
所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，包括：
所述终端设备根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
结合第一方面，在第一方面的一种可能的实现方式中，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
结合第一方面，在第一方面的一种可能的实现方式中，所述P个资源区域包括第一资源区域和第二资源区域，
所述方法还包括：
所述终端设备根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠；
所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，包括：
所述终端设备根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
结合第一方面，在第一方面的一种可能的实现方式中，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
结合第一方面，在第一方面的一种可能的实现方式中，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
结合第一方面，在第一方面的一种可能的实现方式中，所述方法还包括：
所述终端设备接收所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
结合第一方面，在第一方面的一种可能的实现方式中，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
第二方面，本申请提供一种通信方法，该方法包括：
网络设备为终端设备配置N个资源区域，N为正整数；
所述网络设备在M个资源区域中向终端设备发送下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息，所述P个资源区域的资源指示信息用于指示传输下行数据的资源，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
在本申请实施例中，通过下行调度信息以及P个资源区域的资源指示信息，向终端设备指示传输下行数据的资源，有利于提高终端设备确定传输下行数据的资源的准确度，以减少终端设备接收下行数据或检测下行控制信息的时延及计算复杂度。
结合第二方面，在第二方面的一种可能的实现方式中，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠，所述传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
结合第二方面，在第二方面的一种可能的实现方式中，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
结合第二方面，在第二方面的一种可能的实现方式中，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
结合第二方面，在第二方面的一种可能的实现方式中，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
结合第二方面，在第二方面的一种可能的实现方式中，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
结合第二方面，在第二方面的一种可能的实现方式中，所述方法还包括：
所述网络设备向所述终端设备发送所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
结合第二方面，在第二方面的一种可能的实现方式中，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
第三方面，提供了一种终端设备，所述终端设备具有实现上述第一方面的方法设计中的终端设备的功能。这些功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元。
第四方面，提供了一种网络设备，所述网络设备具有实现上述第二方面的方法设计中的网络设备的功能。这些功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元。
第五方面，提供了一种终端设备，包括收发器、处理器和存储器。该处理器用于控制收发器收发信号，该存储器用于存储计算机程序，该处理器用于从存储器中调用并运行该计算机程序，使得该终端设备执行上述第一方面中的方法。
第六方面，提供了一种网络设备，包括收发器、处理器和存储器。该处理器用于控制收发器收发信号，该存储器用于存储计算机程序，该处理器用于从存储器中调用并运行该计算机程序，使得该网络设备执行第二方面中的方法。
第七方面，提供一种通信装置。该通信装置可以为上述方法设计中的终端设备，或者为设置在终端设备中的芯片。该通信装置包括：存储器，用于存储计算机可执行程序代码；通信接口，以及处理器，处理器与存储器、通信接口耦合。其中存储器所存储的程序代码包括指令，当处理器执行所述指令时，使通信装置执行上述第一方面或第一方面的任意一种可能的设计中终端设备所执行的方法。
第八方面，提供一种通信装置。该通信装置可以为上述方法设计中的网络设备，或者为设置在网络设备中的芯片。该通信装置包括：存储器，用于存储计算机可执行程序代码；通信接口，以及处理器，处理器与存储器、通信接口耦合。其中存储器所存储的程序代码包括指令，当处理器执行所述指令时，使通信装置执行上述第二方面或第二方面的任意一种可能的设计中网络设备所执行的方法。
第九方面，提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码在计算机上运行时，使得计算机执行上述各方面中的方法。
第十方面，提供了一种计算机可读介质，所述计算机可读介质存储有程序代码，当所 述计算机程序代码在计算机上运行时，使得计算机执行上述各方面中的方法。
第十一方面，提供了一种芯片系统，该芯片系统包括处理器，用于终端设备实现上述方面中所涉及的功能，例如，生成，接收，发送，或处理上述方法中所涉及的数据和/或信息。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存终端设备必要的程序指令和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第十二方面，提供了一种芯片系统，该芯片系统包括处理器，用于支持网络设备实现上述方面中所涉及的功能，例如，生成，接收，发送，或处理上述方法中所涉及的数据和/或信息。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存网络设备必要的程序指令和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
附图说明
图1是本申请实施例应用的无线通信系统100。
图2是本申请实施例的通信方法的示意性流程图。
图3是本申请实施例中第一资源区域和第二资源区域之间的至少部分重叠的相对位置关系的示意图。
图4是本申请实施例中第一资源区域和第二资源区域之间的至少部分重叠的相对位置关系的示意图。
图5是本申请实施例中第一资源区域和第二资源区域之间的至少部分重叠的相对位置关系的示意图。
图6是本申请实施例中第一资源区域和第二资源区域之间的至少部分重叠的相对位置关系的示意图。
图7是本申请实施例的资源配置的示意图。
图8是本申请另一实施例的资源配置的示意图。
图9是本申请另一实施例的资源配置的示意图。
图10是本申请另一实施例的资源配置的示意图。
图11是本申请另一实施例的资源配置的示意图。
图12是本申请另一实施例的资源配置的示意图。
图13是本申请实施例的终端设备的示意性框图。
图14是本申请另一实施例的终端设备的示意性框图。
图15是本申请实施例的网络设备的示意性框图。
图16是本申请另一实施例的网络设备的示意性框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
图1是本申请实施例应用的无线通信系统100。该无线通信系统100可以包括网络设备110。网络设备110可以是与终端设备通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备进行通信。
图1示例性地示出了一个网络设备和两个终端，可选地，该无线通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该无线通信系统100还可以包括网络控制器、移动管理实体等其它网络实体，本申请实施例对此不作限定。
应理解，本申请的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、先进的长期演进(Advanced long term evolution，LTE-A)系统、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、新空口(New Radio Access Technology，NR)、5G等。
还应理解，在本申请实施例中，终端设备可以包括但不限于移动台(Mobile Station，MS)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、用户设备(User Equipment，UE)、手机(handset)及便携设备(portable equipment)等，该终端设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，例如，终端设备可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等，终端设备还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置。
本申请实施例中，网络设备可以是接入网设备，例如可以是基站、发射和接收点(Transmit and Receive Point，TRP)或接入点，基站可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA中的基站(NodeB)，还可以是LTE中的演进型基站(evolved Node B，eNB或e-NodeB)，还可以是NR或5G的基站(gNB)，本申请实施例对此不作具体限定。
为了便于理解，先简单介绍本申请实施例涉及的相关概念。
一、符号(symbol)：本申请实施例对一个符号的时间长度不做限制。针对不同的子载波间隔，一个符号的长度可以有所不同。符号可以包括上行符号和下行符号，其中，上行符号可以称为单载波频分多址(Single Carrier-Frequency Division Multiple Access，SC-FDMA)符号或正交频分多址(Orthogonal Frequency Division Multiplexing，OFDM)符号；下行符号可以称为OFDM符号。
需要说明的是，上述符号的还可以与其他上行多址方式或下行多址方式对应，本申请实施例对此不做具体限定。
二、下行控制信道(Physical Downlink Control Channel，PDCCH)：用于承载下行控制信息的信道。本申请实施例中的下行控制信道可以是sPDCCH，NR-PDCCH以及未来通信协议中新定义的作用与下行控制信道相近的其他信道。其中，sPDCCH(short PDCCH，或者，shortened PDCCH)是指占用的时域资源小于或等于0.5ms的下行控制信道。NR-PDCCH(new radio PDCCH)是指NR系统里定义的下行控制信道。本申请实施例不限制下行控制信道的类型和名称，都统称为PDCCH。一个下行控制信道由L个下行控制信道单元(control channel element，CCE)聚合而成，L为正整数。
三、搜索空间：候选下行控制信道的集合，可以理解为由一个或多个候选下行控制信 道组合而成的集合。其中，每个候选下行控制信道均能够用于承载下行控制信息。终端设备需要监听候选下行控制信道，所以搜索空间也就是终端设备监听的候选下行控制信道集合。
网络设备可以为第一终端设备配置第一控制资源区域，为第二终端设备配置第二控制资源区域。此时，作为第一终端设备而言，第一终端设备无法获知第二控制资源区域，网络设备也不会通过第二控制资源区域向第一终端设备发送下行控制信息，相应地，网络设备也不会通过第二控制资源区域对应的用于传输数据的资源向第一终端设备发送下行数据。因此，上述这种资源配置的机制，限制了第一终端设备只能通过第一控制资源区域获取下行控制信息，并在该下行控制信息指示的资源(即第一控制资源区域对应的传输下行数据的资源)上接收下行数据，也就是限制了第一终端设备接收下行数据使用的资源。
当上述第二终端为传输URLLC业务的终端设备时，为了满足URLLC业务的低时延需求，需要为URLLC业务预留大量的资源，以便有待发送的URLLC业务可以通过预留的资源及时传输。然而，由于URLLC业务的突发性，在一段时间内，有可能没有需要传输URLLC业务，也就是说，在这段时间内，上述预留的资源处于空闲状态，这种资源配置的机制容易造成大量资源空置，造成资源浪费。
为了提高资源的利用率，网络设备可以将原来用于传输URLLC业务的至少部分资源同时分配给第一终端设备和第二终端设备，这样在第二终端设备没有待传输的URLLC业务时，网络设备可以通过原本用于传输URLLC业务的资源与第一终端设备进行通信，例如，向第一终端设备发送下行控制信息，进一步指示下行数据可以在用于传输URLLC业务的资源上使用。在第二终端设备有待传输的URLLC业务需要传输时，网络设备可以不再使用原本用于传输URLLC业务的资源与第一终端设备进行通信，但是第一终端设备无法获知原本用于传输URLLC业务的资源对于自己来说是否可用，因此，第一终端设备可能还是会在上述重叠资源上接收下行数据或者检测下行控制信息，增加了终端设备接收下行数据或检测下行控制信息的计算复杂度，进而增加了时延。
为了解决上述问题，本申请提供一种通信方法。下面结合图2对本申请实施例的通信方法进行详细描述。需要说明的是，下文中的终端设备可以是上文中的第一终端设备。
图2是本申请实施例的通信方法的示意性流程图，图2所示的方法包括：
210，终端设备确定N个资源区域，N为正整数。
具体地，上述N个资源区域可以是网络设备为该终端设备配置的全部的资源区域。
220，所述终端设备在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息。
具体地，上述下行调度信息用于调度下行数据传输，所述下行调度信息承载于所述M个资源区域中的一个或多个下行控制信道。下行数据承载于物理下行共享信道(Physical downlink shared channel，PDSCH)。若PDSCH占用的时域资源小于或等于0.5ms时，该PDSCH也可以称为sPDSCH(shortened PDSCH)。在5G NR系统里，该PDSCH也可以称为NR-PDSCH(new radio PDSCH)。本申请实施例不限制PDSCH的名称。
相应地，所述网络设备在M个资源区域中向终端设备发送下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息，所述P个资源区域的资源指示信息用于指示传输下行数据的资源，所述M个资源区域为所述N个资源区域中的M个资源区域，所述 P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
需要说明的是，结合前文描述的场景，无论网络设备是否将原本配置给其他终端设备的资源(例如，用于第二终端设备传输URLLC业务的资源或用于第二终端设备传输下行控制信息的控制资源)配置给该终端设备，该终端设备检测下行调度信息的资源区域都可以只是上述M个资源区域。也就是说，可以为该终端设备配置更多的用于传输数据的资源，但是并没有引入该终端设备额外的PDCCH盲检测次数。
可选地，上述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
上述资源指示信息可以用于指示与该资源指示信息对应的资源区域中资源的使用情况，具体地可以分为下列5种不同的用法。为了便于描述，下文中以上述P个资源指示信息中的第i资源指示信息进行描述，并且称与该第i资源指示信息对应的资源区域为第i资源区域。
用法一、第i资源指示信息用于指示第i资源区域中不可用于下行数据传输的资源，或者说，第i资源区域中不能被PDSCH映射的资源。
应理解，上述不可用于下行数据传输的资源可以是被其他终端设备占用的资源，例如，用于传输其他终端设备的下行数据或者下行控制信息的资源；上述不可用于下行数据传输的资源还可以是用于传输该终端设备的下行控制信息的资源。
可选地，所述第i资源区域内不可用于传输下行数据的资源包括所述第i资源区域中被下行控制信道占用的资源。
需要说明的是，上述不可用于下行数据传输的资源可以等于或大于上述被下行控制信道占用的资源。例如，为了降低该资源指示信息使用的比特数，该资源指示信息指示的资源粒度可能不够精细，进而导致该资源指示信息指示的不可用于下行数据传输的资源大于被下行控制信道占用的资源。
优选地，为了减少资源浪费，上述第i资源指示信息指示的不可用于下行数据传输的资源应尽量等于或稍微大于被下行控制信道占用的资源。因此，“不可用于下行数据传输的资源”也可以称为“被下行控制信道占用的资源”。
用法二、第i资源指示信息用于指示第i资源区域中可用于下行数据传输的资源，或者说，第i资源区域中能被PDSCH映射的资源。
优选地，为减少资源浪费，上述第i资源指示信息指示的可用于下行数据传输的资源应尽量等于或稍微小于未被下行控制信道占用的资源，因此，上述可用于下行数据传输的资源也可以理解为未被下行控制信道占用的资源。
用法三、第i资源指示信息用于指示所述第i资源区域是否可以用于下行数据传输，即是否可以被PDSCH映射。
例如，上述第i资源指示信息占用1比特位，当该比特位的取值为A时，第i资源指示信息指示第i资源区域可以用于下行数据传输；该比特位的取值为B时，第i资源指示信息指示第i资源区域不可以用于下行数据传输。上述A表示二进制(binary)中的‘1’， B表示二进制中的‘0’；或者，B表示二进制中的‘1’，A表示二进制中的‘0’。
用法四、上述第i资源指示信息用于指示传输下行数据占用的资源是否包括第i资源区域中的资源，即PDSCH映射的资源是否包括所述第i资源区域的资源。
例如，上述第i资源指示信息占用1比特位时，当该比特位的取值为A时，第i资源指示信息可以指示传输所述下行数据占用的资源包括第i资源区域中的资源；当该比特位的取值为B时，第i资源区域的资源指示信息指示传输下行数据占用的资源不包括第i资源区域中的资源。上述A表示二进制(binary)中的‘1’，B表示二进制中的‘0’；或者，B表示二进制中的‘1’，A表示二进制中的‘0’。
用法五、上述第i资源指示信息用于指示第i资源区域中的资源是否仅用于下行控制信道传输。
例如，上述第i资源区域的资源指示信息占用1比特位，当该比特位的取值为A时，第i资源指示信息指示所述第i资源区域还可以用于传输下行数据；当该比特位的取值为B时，第i资源指示信息指示所述第i资源区域中的资源仅用于下行控制信道传输。上述A为二进制(binary)中的‘1’，B为二进制中的‘0’；或者，B为二进制中的‘1’，A为二进制中的‘0’。
在本申请实施例中的上述用法一和用法二中第i资源区域的资源指示信息指示的资源粒度较小，比较精确，有利于提高资源的使用率。上述用法三至用法五中，第i资源区域的资源指示信息可以占用较少的比特位(例如，1比特)，以减少信息的传输开销。
需要说明的是，用法三，四和五中，虽然第i资源指示信息指示第i资源区域可以用于下行数据传输，但是当终端设备在第i资源区域内检测到一个或多个下行控制信道时，该一个或多个下行控制信道占用的资源仍然无法释放给下行数据使用，即该一个或多个下行控制信道占用的资源不能用于下行数据传输。
230，所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
具体地，上述传输下行数据的资源可以是传输该下行数据实际使用的资源，其中，资源可以指时域和/或频域资源。
在本申请实施例中，通过下行调度信息以及P个资源区域的资源指示信息，向终端设备指示传输下行数据的资源，有利于提高终端设备确定传输下行数据的资源的准确度，提高下行资源利用率，并且减少终端设备接收下行数据或检测下行控制信息的时延。
可选地，作为一个实施例，在终端设备确定N个资源区域之前，所述方法还包括：所述终端设备接收所述网络设备发送的所述N个资源区域的配置信息，所述N个资源区域的配置信息用为所述终端设备配置所述N个资源区域。
具体地，网络设备可以为终端设备配置N个资源区域，并向终端设备发送上述N个资源区域的配置信息，进而终端设备根据该N个资源区域的配置信息确定N个资源区域。
进一步的，在所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源之后，还包括：所述终端设备在所述传输下行数据的资源上接收所述下行数据。
M为小于或等于N的正整数，所述M个资源区域为所述N个资源区域中的M个。 网络设备在所述M个资源区域中的每个资源区域上配置了至少一个搜索空间。相应地，终端设备需要在所述M个资源区域中的一个或多个搜索空间上进行PDCCH盲检测，进而检测是否存在下行控制信息。另一方面，N个资源区域中除去M个资源区域后的(N-M)个资源区域上不存在搜索空间。也就是，该终端设备不需要在该(N-M)个资源区域上进行PDCCH盲检测，或者说，该终端设备不需要在该(N-M)个资源区域上监测PDCCH。网络设备也不会在该(N-M)个资源区域上发送该终端设备的下行控制信息。
可选的，所述M个资源区域称为控制资源集合，N个资源区域中除去M个资源区域后的(N-M)个资源区域采用其它名称。那么，P个资源区域可以全部是控制资源集合，或者部分是控制资源集合。或者，可选的，所述N个资源区域都称为控制资源集合。本申请实施例不做特别限定。控制资源集合(Control-resource Set，CORESET)为用于传输下行控制信息的资源集合，也可以称为控制资源区域，或PDCCH资源集合。下行控制信道资源集合包括一个或多个下行控制信道单元，而下行控制信道资源集合中的任何一个下行控制信道都是由下行控制信道资源集合中的一个或多个下行控制信道单元组成的。下行控制信道资源集合占用的资源可以通过时域资源和频域资源来定义。
可选地，作为一个实施例，所述P个资源包括第一资源区域和第二资源区域，所述方法包括：所述终端设备根据所述第一资源区域的资源指示信息和所述第二资源区域的指示信息，确定所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠。也就是说，所述第一资源区域的资源指示信息指示的所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域的指示信息指示的所述第二资源区域中不可用于传输下行数据的资源至少部分重叠。
具体地，上述第一资源区域中可用于传输下行数据的资源和第二资源区域中不可用于传输下行数据的资源至少部分重叠，可以包括第一资源区域中可用传输下行数据的资源和第二资源区域中不可用于传输下行数据的资源完全重叠，或者第一资源区域中可用传输下行数据的资源和第二资源区域中不可用于传输下行数据的资源一部分重叠。用于传输下行数据的资源，即PDSCH可以映射的资源。不可用于传输下行数据的资源，即PDSCH不可以映射的资源。其中，所述第一资源区域中可用于传输下行数据的资源，可以是第一资源区域的全部，或者第一资源区域的部分，例如部分控制信道单元(Control Channel Element，CCE)，部分符号，部分频域资源，或，部分搜索空间占用的资源。所述第二资源区域中不可用于传输下行数据的资源，可以是第二资源区域的全部，或者第二资源区域的部分。
然而，第一资源区域中可用于传输下行数据的资源和第二资源区域中不可用于传输下行数据的资源可能会存在部分重叠的情况，形成重叠区域。终端设备接收到下行调度信息后，无法判断重叠区域是否可以用于下行数据传输。为了避免终端设备和网络设备对于重叠区域的处理方法不一致，导致下行数据接收错误。为了避免上述问题，终端设备和网络设备之间需要确定一套统一的规则，在之后的通行过程中双方都遵循该统一的规则，以降低终端接收下行数据错误的概率，该统一的规则可以下文中描述的规则中的任一种。需要说明的是，本申请实施例的方法也可以用于多于两个资源区域的资源混淆问题。
规则一：在所述第一资源区域中用于传输数据的资源与所述第二资源区域中不可用于传输下行数据的资源之间重叠的资源为可用于传输下行数据的资源。规则一中，对于上述 重叠的资源来说，在该重叠的资源上优先传输下行数据。也就是，可用资源的优先级更高，尤其适用于第二资源区域中的非可用资源包括第一资源区域中可用于传输下行数据的资源，或者，第一资源区域中可用于传输下行数据的资源和第二资源区域中的非可用资源重叠的情况。
规则二：在所述第一资源区域中用于传输数据的资源与所述第二资源区域中不可用于传输下行数据的资源之间重叠的资源上不传输下行数据。规则二中，上述重叠的资源不用于传输下行数据。例如，可以在上述重叠的资源上优先传输用于调度其他终端设备的下行控制信息，或者下行数据(例如，URLLC业务数据)。也就是，非可用资源的优先级更高，尤其适用于第一资源区域中可用于传输下行数据的资源包括第二资源区域中的非可用资源，或者，第一资源区域中可用于传输下行数据的资源和第二资源区域中的非可用资源重叠的情况。
规则三：若所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源部分重叠，所述终端设备确定所述下行调度信息为错误信息，并且不根据所述下行调度信息接收下行数据。如果采用规则三，网络设备需要通过合理调度尽量避免发生该混淆。
所述下行调度信息还包括下行数据资源分配信息。也就是，所述下行调度信息包括下行数据资源分配信息和所述P个资源区域的资源指示信息。所述下行数据资源分配信息指示下行数据占用的资源。该下行数据占用的资源可以看作是下行数据的初始资源，最终实际传输下行数据的资源还要结合P个资源区域的资源指示信息一起确定。所述下行数据资源分配信息包括下行数据时域资源信息和/或下行数据频域资源信息。需要说明的是，所述下行数据资源分配信息和所述P个资源区域的资源指示信息可以联合指示，也可以独立指示，本申请实施例不做限制。
还应理解，上述下行数据的资源分配信息可以是现有通信系统中的资源分配信息，还可以是新定义的信息，本申请实施例对此不作具体限定。
根据规则一，所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，具体可以包括：所述终端设备根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
为方便描述，最终确定的用于传输下行数据的资源记为资源A，所述下行数据资源分配信息指示的资源记为资源B，所述第一资源区域中可用于传输下行数据的资源记为资源C，所述第二资源区域中不可用于传输下行数据的资源记为资源D。
可选地，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
具体的，资源A的频域资源和/或时域资源仅位于资源B的频域资源和/或时域资源范围内。若资源C的频域资源和/或时域资源超出资源B的频域资源和/或时域资源，那么资源C中超出资源B的频域资源和/或时域资源不能释放给下行数据使用，所以传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源。
可选的，资源B的频域资源和/或时域资源包括资源C的全部频域资源和/或全部时域 资源，所以传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源。
可选的，资源A的频域资源和/或时频资源可以包含资源C的全部频域资源和/或全部时域资源。也就是，资源A的频域资源和/或时频资源可以超出资源B的频域资源和/或时域资源范围。所以传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源。
具体地，下行数据资源分配信息指示的用于传输下行数据的资源与第一资源区域中可用于传输下行数据的资源之间部分重叠，上述传输下行数据的资源包括第一资源区域中的可用于传输下行数据的部分资源，可以包括传输下行数据的资源包括下行数据资源分配信息指示的用于传输下行数据的资源与第一资源区域中可用于传输下行数据的资源之间重叠的资源。
根据规则二，所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，具体可以包括：所述终端设备根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
根据规则三，所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，具体可以包括：所述终端设备根据所述P个资源区域的资源指示信息指示的所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠，确定所述下行调度信息为错误信息，并且不根据所述下行调度信息接收下行数据。也就是，没有传输下行数据的资源，因此，终端设备不需要接收下行数据。
可选的，终端设备接收规则配置信息，所述规则配置信息指示采用规则一，规则二或规则三。然后，终端设备根据规则配置信息，确定当前采用的规则。相应地，网络设备确定当前采用的规则，并发送规则配置信息。
可选的，根据以下至少一条确定采用的规则：若资源C和资源D部分重叠，采用规则一或规则二；或者，若资源C包括资源D，采用规则二；若资源D包括资源C，采用规则一。
也就是说，上述可用于传输下行数据的资源可以指可以用于传输下行数据的资源，但是并不代表最终在上述可用于传输下行数据的资源上传输了下行数据。上述不可用于传输下行数据的资源可以指网络设备指示的不能用于传输下行数据的资源，但是最终基于本申请实施例的规则，也可以在上述不可用于传输下行数据的资源上传输下行数据。
例如，图3-图6是本申请实施例中第一资源区域和第二资源区域之间的至少部分重叠的相对位置关系的示意图。图3示出了本申请实施例中第一资源区域中的资源和第二资源区域中的资源之间存在部分重叠的情况。图4示出了本申请实施例中第一资源区域包含第二资源区域的情况。图5示出了本申请实施例中第二资源区域包含第一资源区域的情况。图6示出了本申请实施例中第一资源区域和第二资源区域完全重叠的情况。
该P个资源区域和该M个资源区域可能完全相同，或者，部分相同，或者，完全不同。例如，该P个资源区域包括第一资源区域和第二资源区域，该M个资源区域包括第一资源区域和第三资源区域，这是部分相同的情况。可选的，P等于N，即所述资源指示信息指示N个资源区域的资源使用情况。可选的，P小于N，那么(N-P)个资源区域的 资源不能释放给下行数据(即PDSCH)使用。
可选地，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
可选地，作为一个实施例，所述方法还包括：
所述终端设备接收所述网络设备发送的所述N个资源区域的配置信息，所述N个资源的配置信息用于为所述终端设备配置所述N个资源区域。
相应地，网络设备为终端设备配置N个资源区域，N为正整数；所述网络设备向所述终端设备发送N个资源区域的配置信息，所述N个资源的配置信息用于为所述终端设备配置所述N个资源区域。
可选地，作为一个实施例，所述N个资源区域包括第五资源区域，所述N个资源区域的配置信息包括所述第五资源区域的配置信息，所述第五资源区域的配置信息用于指示第五资源区域的时域资源和/或频域资源。
可选的，所述第五资源区域的搜索空间配置信息包括所述第五资源区域中搜索空间数量指示信息，所述搜索空间数量指示信息指示第五资源区域是否包括搜索空间；或者，所述搜索空间数量指示信息指示第一资源区域包括S个搜索空间数量，S为整数。
可选的，所述第五资源区域的搜索空间配置信息还包括聚合级别指示信息，所述聚合级别指示信息用于指示第五资源区域中的搜索空间的集合级别。
例如，网络设备通过聚合级别指示信息指示终端设备所述第五资源区域内存在聚合级别为L1和L2的搜索空间。
可选的，作为一个实施例，所述第五资源区域为所述M个资源区域中的一个资源区域，所述第五资源区域的配置信息包括所述第五资源区域的搜索空间配置信息。
可选的，所述第五资源区域为所述N个资源区域中除所述M个资源区域之外的资源区域，所述第五资源区域的配置信息用于配置所述终端设备不在所述第五资源区域中进行PDCCH盲检测，或者，第五资源区域的搜索空间数量为0，或者，第五资源区域无搜索空间。
需要说明的是，所述第五资源区域的配置信息不包括所述第五资源区域的搜索空间配置信息；或者所述第五资源区域的配置信息包括所述第五资源区域的搜索空间配置信息，所述第五资源区域的搜索空间配置信息指示所述第五资源区域中的搜索空间数量为0；或者，所述第五资源区域的配置信息包括所述第五资源区域的搜索空间配置信息，所述第五资源区域的搜索空间配置信息指示所述第五资源区域无搜索空间。
可选的，上述第一资源区域和/或第二资源区域也可以采用第五资源区域的配置方法。因为内容相同，只需要把第五资源区域换成第一资源区域或第二资源区域即可，在此不再赘述。
可选地，作为一个实施例，所述方法还包括：所述终端设备接收所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始 位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
可选地，作为一个实施例，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
应理解，上述第一聚合级别的搜索空间的起始位置与第二聚合级别的搜索空间的起始位置可以相同也可以不同。若上述第一聚合级别的搜索空间的起始位置与第二聚合级别的搜索空间的起始位置相同时，两种不同聚合级别的搜索空间对应的信道估计结果可以共享，减小终端设备实现复杂度。若上述第一聚合级别的搜索空间的起始位置与第二聚合级别的搜索空间的起始位置不相同时，可以减少两种不同聚合级别的搜索空间的重叠区域。有利于降低PDCCH碰撞的概率。
本申请实施例中，通过配置第一聚合级别的搜索空间的起始位置与第二聚合级别的搜索空间的其实位置相同，以共享两种不同聚合级别的搜索空间对应的信道估计结果，有利于减少终端设备实现的复杂度。第一聚合级别的搜索空间的起始位置与第二聚合级别的搜索空间的起始位置不相同时，可以减少两种不同聚合级别的搜索空间的重叠区域，有利于降低PDCCH碰撞的概率。另外，通过网络设备配置，也可以降低不同终端设备之间的PDCCH碰撞概率。
可选的，上述第一资源区域和/或第二资源区域也可以采用第四资源区域的搜索空间的起始位置的配置方法。因为内容相同，只需要把第四资源区域换成第一/二资源区域即可，在此不再赘述。
下文结合具体的例子描述本申请实施例的通信方法。应理解，为了便于理解，下文以第一资源区域中的可用于传输下行数据的资源为第一资源区域中的全部资源(记为第一资源区域)，第二资源区域中的不可用于传输下行数据的资源为第二资源区域中的全部资源(记为第二资源区域)为例进行说明，但是本申请实施例并不限于此。
图7是本申请实施例的资源配置的示意图。在图7所示的资源配置方案中，下行数据资源配置信息指示的传输下行数据的资源在时域上占用两个符号，在频域上占用的频率用F表示。第一资源区域在时域上占用1个符号，在频域上占用的频率用f1表示。第二资源区域在时域上占用1个符号，在频域上占用的频率用f2表示。其中，第一资源区域与第二资源区域之间存在重叠区域，并且下行数据资源配置信息指示的传输下行数据的资源仅包括第一资源区域中的部分资源。因此，当第一资源区域和第二资源区域之间的重叠区域优先传输下行数据时，结合下行数据的资源配置信息，第一资源区域的资源指示信息、第二资源区域的资源指示信息，传输下行数据实际占用的资源包括下行数据资源配置信息指示的用于传输下行数据的资源中除仅属于第二资源区域中的资源之外的资源，其中仅属于第二资源区域中的资源是第二资源区域包含的资源中，位于第一资源区域和第二资源区域的重叠区域之外的资源。
图8是本申请另一实施例的资源配置的示意图。在图8所示的资源配置方案中，下行数据资源配置信息指示的传输下行数据的资源在时域上占用2个符号，在频域上占用的频率用F表示。第一资源区域在时域上占用1个符号，在频域上占用的频率用f1表示。第 二资源区域在时域上占用1个符号，在频域上占用的频率用f2表示。其中，第一资源区域与第二资源区域之间存在重叠区域，并且下行数据资源配置信息指示的传输下行数据的资源包括第一资源区域中的全部资源。因此，当第一资源区域和第二资源区域之间的重叠区域优先传输下行数据时，结合下行数据的资源配置信息，第一资源区域的资源指示信息、第二资源区域的资源指示信息，传输下行数据实际占用的资源包括下行数据资源配置信息指示的用于传输下行数据的资源中除仅属于第二资源区域中的资源之外的资源，其中仅属于第二资源区域中的资源是第二资源区域包含的资源中，位于第一资源区域和第二资源区域的重叠区域之外的资源。
图9是本申请另一实施例的资源配置的示意图。在图9所示的资源配置方案中，下行数据资源配置信息指示的传输下行数据的资源在时域上占用2个符号，在频域上占用的频率用F表示。第一资源区域在时域上占用1个符号，在频域上占用的频率用f1表示。第二资源区域在时域上占用1个符号，在频域上占用的频率用f2表示。其中，第二资源区域包含第一资源区域，并且下行数据资源配置信息指示的传输下行数据的资源包括第一资源区域中的全部资源，下行数据资源配置信息指示的传输下行数据的资源包括第二资源区域中的部分资源。因此，当第一资源区域和第二资源区域之间的重叠区域优先传输下行数据时，结合下行数据的资源配置信息，第一资源区域的资源指示信息、第二资源区域的资源指示信息，传输下行数据实际占用的资源包括下行数据资源配置信息指示的用于传输下行数据的资源中除仅属于第二资源区域中的资源之外的资源，其中仅属于第二资源区域中的资源是第二资源区域包含的资源中，位于第一资源区域和第二资源区域的重叠区域之外的资源。也就是说，传输下行数据实际占用的资源包括了第一资源区域中的全部资源。
图10是本申请另一实施例的资源配置的示意图。在图10所示的资源配置方案中，下行数据资源配置信息指示的传输下行数据的资源在时域上占用2个符号，在频域上占用的频率用F表示。第一资源区域在时域上占用2个符号，在频域上占用的频率用f1表示。第二资源区域在时域上占用1个符号，在频域上占用的频率用f2表示。其中，第一资源区域与第二资源区域之间存在重叠区域，并且下行数据资源配置信息指示的传输下行数据的资源仅包括第一资源区域中的部分资源。因此，当第一资源区域和第二资源区域之间的重叠区域优先传输下行数据时，结合下行数据的资源配置信息，第一资源区域的资源指示信息、第二资源区域的资源指示信息，传输下行数据实际占用的资源包括第一资源区域中的全部资源，以及下行数据资源配置信息指示的用于传输下行数据的资源中除仅属于第二资源区域中的资源之外的资源，其中仅属于第二资源区域中的资源是第二资源区域包含的资源中，且位于第一资源区域和第二资源区域的重叠区域之外的资源。
上文结合图7至图10详细介绍本申请实施例的第一资源区域和第二资源区域的重叠区域中优先传输下行数据的情况。下文结合图11和图12详细介绍本申请实施例的第一资源区域和第二资源区域的重叠区域中的资源不用于传输下行数据的情况。
图11是本申请另一实施例的资源配置的示意图。在图11所示的资源配置方案中，下行数据资源配置信息指示的传输下行数据的资源在时域上占用2个符号，在频域上占用的频率用F表示。第一资源区域在时域上占用1个符号，在频域上占用的频率用f1表示。第二资源区域在时域上占用1个符号，在频域上占用的频率用f2表示。其中，第一资源区域与第二资源区域之间存在重叠区域，并且下行数据资源配置信息指示的传输下行数据 的资源仅包括第一资源区域中的部分资源。因此，当第一资源区域和第二资源区域之间的重叠区域中的资源不用于传输下行数据时，结合下行数据的资源配置信息，第一资源区域的资源指示信息、第二资源区域的资源指示信息，传输下行数据实际占用的资源包括下行数据资源配置信息指示的用于传输下行数据的资源中除第二资源区域中的资源之外的资源。
图12是本申请另一实施例的资源配置的示意图。在图12所示的资源配置方案中，下行数据资源配置信息指示的传输下行数据的资源在时域上占用2个符号，在频域上占用的频率用F表示。第一资源区域在时域上占用1个符号，在频域上占用的频率用f1表示。第二资源区域在时域上占用1个符号，在频域上占用的频率用f2表示。其中，第一资源区域与第二资源区域之间存在重叠区域，并且下行数据资源配置信息指示的传输下行数据的资源仅包括第一资源区域中的部分资源。因此，当位于第一资源区域和第二资源区域之间的重叠区域中的资源不用于传输下行数据时，结合下行数据的资源配置信息，第一资源区域的资源指示信息、第二资源区域的资源指示信息，传输下行数据实际占用的资源包括第一资源区域中的全部资源，以及下行数据资源配置信息指示的用于传输下行数据的资源中除第二资源区域中的资源之外的资源。
上文结合图1至图12详细的说明了描述了本申请实施例的通信方法，下面结合图13至图16，详细描述本申请实施例的装置。应理解，图13至图16所示的装置能够实现图2中的各个步骤，即该装置能够执行上述实施例中的所有方法，因此，其具体细节可以参照上述实施例中的描述，为避免重复，在此不再详细赘述。
图13是本申请实施例的终端设备的示意性框图。图13所示的终端设备1300包括：确定单元1310和检测单元1320。
确定单元，用于确定N个资源区域，N为正整数；
检测单元，用于在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息；
所述确定单元还用于根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，
其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
在本申请实施例中，通过下行调度信息以及P个资源区域的资源指示信息，向终端设备指示传输下行数据的资源，有利于提高终端设备确定传输下行数据的资源的准确度，以减少终端设备接收下行数据或检测下行控制信息的时延。
可选地，作为一个实施例，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，所述确定单元还用于：
根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠；
根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行 数据的全部资源或部分资源。
可选地，作为一个实施例，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
可选地，作为一个实施例，所述P个资源区域包括第一资源区域和第二资源区域，所述确定单元，还用于：
根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠；
根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
可选地，作为一个实施例，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
可选地，作为一个实施例，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
可选地，作为一个实施例，所述终端设备还包括：
接收单元，用于接收所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
可选地，作为一个实施例，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
在可选的实施例中，所述确定单元1310和检测单元1320可以为处理器1420，所述终端设备还可以包括收发机1440，输入/输出接口1430和存储器1410，具体如图14所示。
图14是本申请另一实施例的终端设备的示意性框图。该终端设备能够执行上述实施例中的所有方法，因此，其具体细节可以参照上述实施例中的描述，为避免重复，在此不再详细赘述。图14所示的终端设备1400可以包括：存储器1410、处理器1420、输入/输出接口1430、收发机1440。其中，存储器1410、处理器1420、输入/输出接口1430和收 发机1440通过内部连接通路相连，该存储器1410用于存储指令，该处理器1420用于执行该存储器1420存储的指令，以控制输入/输出接口1430接收输入的数据和信息，输出操作结果等数据，并控制收发机1440发送信号。
所述处理器1420，用于确定N个资源区域，N为正整数。
所述处理器1420，还用于在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息；所述确定单元还用于根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
所述处理器1420，还用于根据所述P个资源区域的资源指示信息，确定传输下行数据的资源。
应理解，在本申请实施例中，该处理器1420可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本申请实施例所提供的技术方案。
还应理解，收发机1440又称通信接口，使用例如但不限于收发器一类的收发装置，来实现终端1400与其它设备或通信网络之间的通信。
该存储器1410可以包括只读存储器和随机存取存储器，并向处理器1420提供指令和数据。处理器1420的一部分还可以包括非易失性随机存取存储器。例如，处理器1420还可以存储设备类型的信息。
在实现过程中，上述方法的各步骤可以通过处理器1420中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的通信方法可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1410，处理器1420读取存储器1410中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应理解，本申请实施例中，该处理器可以为中央处理单元(central processing unit，CPU)，该处理器还可以是其它通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
在本申请实施例中，通过下行调度信息以及P个资源区域的资源指示信息，向终端设备指示传输下行数据的资源，有利于提高终端设备确定传输下行数据的资源的准确度，以减少终端设备接收下行数据或检测下行控制信息的时延。
图15是本申请实施例的网络设备的示意性框图。图15所示的网络设备1500包括配置单元1510和发送单元1520。
配置单元，用于为终端设备配置N个资源区域，N为正整数。
发送单元，用于在M个资源区域中向终端设备发送下行调度信息，所述下行调度信 息包括P个资源区域的资源指示信息，所述P个资源区域的资源指示信息用于指示传输下行数据的资源，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
可选地，作为一个实施例，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠，所述传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
可选地，作为一个实施例，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
可选地，作为一个实施例，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
可选地，作为一个实施例，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
可选地，作为一个实施例，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
可选地，作为一个实施例，所述发送单元，还用于向所述终端设备发送所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
可选地，作为一个实施例，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
在可选的实施例中，所述配置单元1510可以为处理器1620，所述发送单元1520可以为收发机1640，所述网络设备还可以包括输入/输出接口1630和存储器1610，具体如图16所示。
图16是本申请另一实施例的网络设备的示意性框图。图16所示的网络设备1600可以包括：存储器1610、处理器1620、输入/输出接口1630、收发机1640。其中，存储器1610、处理器1620、输入/输出接口1630和收发机1640通过内部连接通路相连，该存储器1610用于存储指令，该处理器1620用于执行该存储器1620存储的指令，以控制输入/输出接口1630接收输入的数据和信息，输出操作结果等数据，并控制收发机1640发送信号。
所述处理器1620，用于为终端设备配置N个资源区域，N为正整数。
所述收发机1640，用于在M个资源区域中向终端设备发送下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息，所述P个资源区域的资源指示信息用于指示传输下行数据的资源，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
应理解，在本申请实施例中，该处理器1620可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本申请实施例所提供的技术方案。
还应理解，收发机1640又称通信接口，使用例如但不限于收发器一类的收发装置，来实现网络设备1600与其它设备或通信网络之间的通信。
该存储器1610可以包括只读存储器和随机存取存储器，并向处理器1620提供指令和数据。处理器1620的一部分还可以包括非易失性随机存取存储器。例如，处理器1620还可以存储设备类型的信息。
在实现过程中，上述方法的各步骤可以通过处理器1620中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的通信方法可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1610，处理器1620读取存储器1610中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应理解，本申请实施例中，该处理器可以为中央处理单元(central processing unit，CPU)，该处理器还可以是其它通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
应理解，本申请实施例中，该处理器可以为中央处理单元(central processing unit，CPU)，该处理器还可以是其它通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的随机存取存储器(random access memory，RAM)可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
上述实施例，可以全部或部分地通过软件、硬件、固件或其它任意组合来实现。当使用软件实现时，上述实施例可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载或执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以为通用计算机、专用计算机、计算机网络、或者其它可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集合的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质。半导体介质可以是固态硬盘。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组 件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM)、随机存取存储器(RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (32)

  1. 一种通信方法，其特征在于，包括：
    终端设备确定N个资源区域，N为正整数；
    所述终端设备在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息；
    所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，
    其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
  2. 如权利要求1所述的方法，其特征在于，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，
    所述方法还包括：
    所述终端设备根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠；
    所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，包括：
    所述终端设备根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
  3. 如权利要求2所述的方法，其特征在于，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
  4. 如权利要求1所述的方法，其特征在于，所述P个资源区域包括第一资源区域和第二资源区域，
    所述方法还包括：
    所述终端设备根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠；
    所述终端设备根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，包括：
    所述终端设备根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
  5. 如权利要求2-4中任一项所述的方法，其特征在于，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
    所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域 是不属于所述M个资源区域中的任一个资源区域；或者，
    所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
    所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
  6. 如权利要求1-5中任一所述的方法，其特征在于，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
    所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
    所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
  7. 如权利要求1-6中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备接收所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
  8. 如权利要求7所述的方法，其特征在于，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
  9. 一种通信方法，其特征在于，包括：
    网络设备为终端设备配置N个资源区域，N为正整数；
    所述网络设备在M个资源区域中向终端设备发送下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息，所述P个资源区域的资源指示信息用于指示传输下行数据的资源，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
  10. 如权利要求9所述的方法，其特征在于，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠，所述传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
  11. 如权利要求9所述的方法，其特征在于，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
  12. 如权利要求9所述的方法，其特征在于，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
  13. 如权利要求10-12中任一项所述的方法，其特征在于，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
    所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
    所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
    所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
  14. 如权利要求9-13中任一项所述的方法，其特征在于，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
    所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
    所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
  15. 如权利要求9-14中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备向所述终端设备发送所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
  16. 如权利要求15所述的方法，其特征在于，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
  17. 一种终端设备，其特征在于，包括：
    确定单元，用于确定N个资源区域，N为正整数；
    检测单元，用于在M个资源区域中检测下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息；
    所述确定单元还用于根据所述P个资源区域的资源指示信息，确定传输下行数据的资源，
    其中，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
  18. 如权利要求17所述的终端设备，其特征在于，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，所述确定单元还用于：
    根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠；
    根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
  19. 如权利要求18所述的终端设备，其特征在于，所述下行数据资源分配信息指示 的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
  20. 如权利要求17所述的终端设备，其特征在于，所述P个资源区域包括第一资源区域和第二资源区域，所述确定单元，还用于：
    根据所述第一资源区域的资源指示信息和所述第二资源区域的资源指示信息，确定所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠；
    根据所述P个资源区域的资源指示信息以及所述下行数据资源分配信息确定传输所述下行数据的资源，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
  21. 如权利要求18-20中任一项所述的终端设备，其特征在于，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
    所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
    所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
    所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
  22. 如权利要求17-21中任一项所述的终端设备，其特征在于，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
    所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
    所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
  23. 如权利要求17-22中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    接收单元，用于接收所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
  24. 如权利要求23所述的终端设备，其特征在于，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
  25. 一种网络设备，其特征在于，包括：
    配置单元，用于为终端设备配置N个资源区域，N为正整数；
    发送单元，用于在M个资源区域中向终端设备发送下行调度信息，所述下行调度信息包括P个资源区域的资源指示信息，所述P个资源区域的资源指示信息用于指示传输下行数据的资源，所述M个资源区域为所述N个资源区域中的M个资源区域，所述P个资源区域为所述N个资源区域中的P个资源区域，M为小于或等于N的正整数，P为小于或等于N的正整数。
  26. 如权利要求25所述的网络设备，其特征在于，所述下行调度信息还包括下行数据资源分配信息，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可用于传输下行数据的资源和所述第二资源区域中不可用于传输下行数据的资源至少部分重叠，所述传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的全部资源或部分资源。
  27. 如权利要求25所述的网络设备，其特征在于，所述下行数据资源分配信息指示的资源包括所述第一资源区域中的可用于传输下行数据的资源中的部分资源，传输所述下行数据的资源包括所述第一资源区域中的可用于传输下行数据的资源中的所述部分资源。
  28. 如权利要求25所述的网络设备，其特征在于，所述P个资源区域包括第一资源区域和第二资源区域，所述第一资源区域中可传输下行数据的资源和所述第二资源区域中不可传输下行数据的资源至少部分重叠，传输所述下行数据的资源不包括所述第二资源区域中的不可用于传输下行数据的资源。
  29. 如权利要求26-28中任一项所述的网络设备，其特征在于，所述第一资源区域和所述第二资源区域是属于所述M个资源区域中的两个资源区域；或者，
    所述第一资源区域是属于所述M个资源区域中的一个资源区域，所述第二资源区域是不属于所述M个资源区域中的任一个资源区域；或者，
    所述第一资源区域是不属于所述M个资源区域中的任一个资源区域，所述第二资源区域是属于所述M个资源区域中的一个资源区域；或者，
    所述第一资源区域和所述第二资源区域是都不属于所述M个资源区域中的任意两个资源区域。
  30. 如权利要求25-29中任一项所述的网络设备，其特征在于，所述P个资源区域的资源指示信息包括P个资源指示信息，所述P个资源指示信息与所述P个资源区域一一对应，
    所述P个资源指示信息分别用于指示所述P个资源区域中的可用于下行数据传输的资源或不可用于下行数据传输的资源；或者，
    所述P个资源指示信息分别用于指示所述P个资源区域是否可以用于下行数据传输。
  31. 如权利要求25-30中任一项所述的网络设备，其特征在于，所述发送单元，还用于向所述终端设备发送所述N个资源区域的配置信息，所述配置信息包括用于指示所述M个资源区域中的第四资源区域的第一起始位置信息，所述第一起始位置信息指示第一聚合级别的搜索空间的起始位置，所述第一聚合级别的搜索空间位于所述第四资源区域。
  32. 如权利要求31所述的网络设备，其特征在于，所述配置信息还包括所述M个资源区域中的第四资源区域的第二起始位置信息，所述第二起始位置信息指示第二聚合级别的搜索空间的起始位置，所述第二聚合级别的搜索空间位于所述第四资源区域，所述第二聚合级别和所述第一聚合级别不同。
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