WO2019134608A1 - 无线通信的方法和设备 - Google Patents

无线通信的方法和设备 Download PDF

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Publication number
WO2019134608A1
WO2019134608A1 PCT/CN2018/125413 CN2018125413W WO2019134608A1 WO 2019134608 A1 WO2019134608 A1 WO 2019134608A1 CN 2018125413 W CN2018125413 W CN 2018125413W WO 2019134608 A1 WO2019134608 A1 WO 2019134608A1
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WIPO (PCT)
Prior art keywords
target
channel
pdcch
format
indication channel
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PCT/CN2018/125413
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English (en)
French (fr)
Inventor
姜大洁
潘学明
吴凯
丁昱
秦飞
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维沃移动通信有限公司
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Publication of WO2019134608A1 publication Critical patent/WO2019134608A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of communications technologies, and more particularly to methods and apparatus for wireless communications.
  • the current communication system configures a pre-configuration time for detecting a paging signal for a terminal device in an idle state (Idle), and the terminal device in an idle state blindly detects a paging-wireless network temporary identifier (Paging-Radio) in a pre-configured time.
  • Paging-Radio paging-wireless network temporary identifier
  • P-RNTI Network Temporary Identity
  • the Discontinuous Reception (DRX) cycle is configured for the connected terminal device.
  • the DRX Cycle is composed of an On Duration and an Opportunity for DRX. In the On Duration, the terminal device monitors. And receiving the PDCCH, the terminal device sleeps or does not monitor the PDCCH in the Opportunity for DRX to reduce power consumption.
  • an advance indication signal is introduced in order to further reduce the power consumption of the terminal device.
  • the advance indication signal indicates that the terminal device blindly detects the Paging signal or the PDCCH
  • the terminal device needs to perform blind detection on the multiple PDCCH blind detection candidate sets, and still needs to consume a large amount of power of the terminal device.
  • An object of the embodiments of the present disclosure is to provide a method and a device for wireless communication to solve the problem that a terminal device needs to consume a large amount of power when monitoring a PDCCH.
  • a method for wireless communication for use in a terminal device, the method comprising:
  • Target early indication channel Determining, according to the target early indication channel, a format of the target PDCCH, where the target early indication channel indicates to perform target physical downlink control channel PDCCH monitoring, where the target PDCCH is a PDCCH related to the target early indication channel.
  • a method for wireless communication is provided, which is applied to a network device, the method comprising: sending a target early indication channel to a terminal device, where the target early indication channel is used by the terminal device to determine the target early indication channel indication
  • the target physical downlink control channel PDCCH is monitored, the format of the target PDCCH is determined according to the target early indication channel, where the target PDCCH is a PDCCH related to the target early indication channel.
  • a terminal device where the terminal device includes:
  • a transceiver module configured to receive a target early indication channel
  • a processing module configured to determine, according to the target early indication channel, a format of the target PDCCH, where the target advance indication channel indicates that the target physical downlink control channel PDCCH is monitored, where the target PDCCH is an early indication channel with the target Related PDCCH.
  • a network device where the network device includes:
  • a transceiver module configured to send a target early indication channel to the terminal device, where the target early indication channel is used by the terminal device to indicate the channel according to the target when determining that the target early indication channel indication is to perform target physical downlink control channel PDCCH monitoring Determining a format of the target PDCCH, where the target PDCCH is a PDCCH related to the target early indication channel.
  • a terminal device comprising a processor, a memory, and a computer program stored on the memory and operable on the processor, the computer program being executed by the processor.
  • a network device comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor.
  • a computer readable storage medium stores a computer program, the computer program being executed by a processor to implement the method of wireless communication as described in the first aspect step.
  • a computer readable storage medium stores a computer program, the computer program being executed by a processor to implement the method of wireless communication as described in the second aspect step
  • the terminal device receives the target early indication channel and determines the format of the target PDCCH according to the target early indication channel when determining the target early indication channel indication to perform the target physical downlink control channel PDCCH monitoring, and further determines before performing PDCCH monitoring.
  • the format of the PDCCH to be monitored is to prevent blind detection of all PDCCHs in the PDCCH blind detection candidate set, reduce the number of blind detections of the PDCCH by the terminal device, and reduce the power consumption of the terminal device.
  • FIG. 1 is a schematic flow chart of a method of wireless communication in accordance with one embodiment of the present disclosure.
  • FIG. 2 is a schematic flow chart of a method of wireless communication in accordance with another embodiment of the present disclosure.
  • FIG. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a terminal device according to another embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • 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 Long Term Evolution-advanced
  • NB-IoT Narrow Band Internet of Things
  • MTC Machine-Type Communication
  • NR New Radio
  • a User Equipment which may also be called a Mobile Terminal, a mobile user equipment, etc., may communicate with one or more core networks via a radio access network (eg, Radio Access Network, RAN).
  • the user equipment may be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, for example, a portable, pocket, handheld, computer built-in or in-vehicle mobile device,
  • the wireless access network exchanges languages and/or data.
  • a network device is a device deployed in a wireless access network for providing wireless communication functions to a terminal device.
  • the network device may be a base station, and the base station may be a base station in GSM or CDMA (Base Transceiver Station, BTS). It can also be a base station (NodeB) in WCDMA, and can also be an evolved base station (evolutional Node B, eNB or e-NodeB) in LTE and a 5G base station (gNB).
  • GSM Global System for Mobile communications
  • CDMA Base Transceiver Station
  • NodeB base station
  • eNB evolved base station
  • gNB 5G base station
  • FIG. 1 illustrates a method of wireless communication in accordance with one embodiment of the present disclosure. As shown in FIG. 1, the method 100 includes:
  • the target early indication channel in S110 may be a wake-up signal (WUS) in a communication protocol in the related art or a standardization organization, or a sleep signal in a communication protocol in the related art ( Go-to-sleep signal).
  • WUS wake-up signal
  • Go-to-sleep signal Go-to-sleep signal
  • the indication channel is PDCCH-based in advance, for example based on a new PDCCH.
  • the target early indication channel is one of multiple early indication channels, and different early indication channels in the multiple early indication channels have different formats, and the format of the advance indication channel is determined by At least one of the following parameters is characterized by: indicating the DCI format of the channel in advance, the time-frequency domain resource indicating the channel occupation in advance, the number of repetitions indicating the channel in advance, and the aggregation level of the search space indicating the channel in advance. That is to say, the early indication channels of different formats have at least one of the following differences: DCI format, occupied time-frequency domain resources, number of repetitions, and aggregation level of the search space. It can be understood that, since the target early indication channel is one of multiple early indication channels, the terminal device needs to perform detection by using blind detection when detecting the target early indication channel.
  • the preset correspondence between different parameters for characterizing the format of the target early indication channel may be preset by the protocol or configured by the network device to the terminal device.
  • the network device may configure the foregoing preset correspondence relationship for the terminal device by using a system message.
  • the target advance indicates that the aggregation level of the search space of the channel has a preset correspondence relationship with the number of repetitions of the target advance indication channel, or each aggregation level of the search space of the target advance indication channel corresponds to one or more types. repeat times. As shown in Table 1, when the aggregation level of the target advance indication channel is 1, the number of repetitions of the target advance indication channel is 1; when the aggregation level of the target advance indication channel is 2, the number of repetitions of the target advance indication channel is 10 .
  • Target advance indicates the aggregation level of the channel Target advance indicates the number of repetitions of the channel 1 1 2 10
  • the DCI format of the target early indication channel has a preset correspondence with the number of repetitions of the target early indication channel, or each DCI format of the target early indication channel corresponds to one or more repetition times.
  • the target early indication channel has a DCI format of 1
  • the target advance indication channel has a repetition number of 1
  • the target advance indication channel has a DCI format of 2
  • the target advance indication channel has a repetition number of 2.
  • the DCI format of the target early indication channel and the aggregation level of the target early indication channel have a preset correspondence, or each DCI format of the target early indication channel corresponds to one or more aggregation levels.
  • the target early indication channel has a DCI format of 1
  • the target advance indication channel has an aggregation level of 1 CCE (Control Channel Element)
  • the target advance indication channel has a DCI format of 2
  • the target advance indication channel has an aggregation level of 2 CCEs. (Control Channel Element).
  • Target advance indication channel DCI format Target advance indicates the number of repetitions of the channel 1 1 2 10
  • the terminal device determines, according to the system message/Msg4 message/RRC message/DCI/MAC CE sent by the network device, the maximum number of repetitions or the maximum duration of the channel. Or, in advance, the maximum number of repetitions of the channel is indicated to correspond to the Rmax (the maximum number of repetitions of the user-dedicated PDCCH), and the terminal device can obtain the maximum number of repetitions of the early indication channel according to the Rmax and the correspondence.
  • the actual repetition number or the actual duration of the advance indication channel of the different terminal device may be notified by the network device to the terminal device by using a system message/Msg4 message/RRC message/DCI/MAC CE, etc., according to the received network by the terminal device.
  • the above message sent by the device determines the actual number of repetitions or actual duration of the channel indicated in advance.
  • the actual number of repetitions of the channel is in correspondence with R (the actual number of repetitions of the user-specific PDCCH), and the terminal device can obtain the actual number of repetitions of the channel in advance according to R and the correspondence.
  • the terminal device detects the advance indication channel by means of blind detection, thereby determining the actual repetition number or the actual duration of the advance indication channel.
  • the PDCCH in which the target PDCCH is related to the target early indication channel may be understood as the PDCCH that the terminal device needs to monitor last time when the target early indication channel indicates that the terminal device performs the operation of monitoring the PDCCH, for example, according to
  • the start time of the target PDCCH is determined by the start or end time of the target indication channel and the preset time interval.
  • the preset time interval is a time interval between a start or end time of the target advance indication channel and a start time of the relevant PDCCH.
  • the target PDCCH here may be a paging aging PDCCH or other PDCCHs other than the Paging PDCCH.
  • the terminal device continues to sleep and does not perform monitoring of the target PDCCH.
  • the monitoring of the target PDCCH may be performed according to the format of the target PDCCH.
  • the content of the target advance indication channel transmission includes indication information indicating that the target advance indicates the behavior of the channel finger.
  • the indication information may be carried by one bit (Bit). When the value of this bit is 1, the target advance indication channel indicates that the PDCCH is monitored, and when the bit is 0, the target advance indication channel indicates that the channel is dormant.
  • the network device and the terminal device agree in advance or the network device notifies the terminal device by signaling: if the network device sends the target early indication channel to the terminal device, indicating that the target advance indication channel indication is performed.
  • the PDCCH is monitored, otherwise (eg, not transmitting the target early indication channel), indicating that the target advance indication channel indicates to sleep.
  • the terminal device receives the target early indication channel, it is determined that PDCCH monitoring needs to be performed, otherwise it is determined that sleep is required.
  • the format of the early indication channel has a corresponding relationship with the indicated behavior.
  • the advance indication channel of one format indicates that PDCCH monitoring is performed
  • the advance indication channel of another format indicates that sleep is performed.
  • determining that the format of the target early indication channel is the first format determining that the target early indication channel indicates performing target PDCCH monitoring; and determining, by the terminal device, that the format of the target early indication channel is In the second format, it is determined that the target advance indication channel indicates to sleep.
  • the format of the target PDCCH is characterized by at least one of the following parameters: a downlink control information DCI format of the target PDCCH, a time-frequency domain resource occupied by the target PDCCH, a repetition number of the target PDCCH, and a target PDCCH.
  • the aggregation level of the search space is characterized by at least one of the following parameters: a downlink control information DCI format of the target PDCCH, a time-frequency domain resource occupied by the target PDCCH, a repetition number of the target PDCCH, and a target PDCCH.
  • determining a format of the target PDCCH according to the target advance indication channel in S120 includes: determining a format of the target PDCCH according to a format of the target advance indication channel and a first correspondence, where the first correspondence includes The target indicates the correspondence between the format of the channel and the format of the target PDCCH. That is to say, the format of the target early indication channel may implicitly indicate the format of the target PDCCH.
  • the correspondence between the format of the target early indication channel and the format of the target PDCCH includes at least one of the following correspondences: the correspondence between the DCI format of the target early indication channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the number of repetitions of the target PDCCH
  • the target advance indicates the correspondence between the DCI format of the channel and the aggregation level of the search space of the target PDCCH
  • Corresponding relationship between the DCI format of the channel and the control resource set of the target PDCCH indicates the correspondence between the number of repetitions of the channel and the number of repetitions of the target PDCCH
  • the target advance indicates the number of repetitions of the channel and the Corresponding relationship of the DCI format of the target PDCCH
  • the target advance indicates the correspondence between the aggregation level of the search space of the channel and the DCI format of the target PDCCH
  • the target advance indicates the aggregation level of the search space of the channel and the target Correspondence of the
  • the DCI format of the target early indication channel corresponds to the DCI format of the target PDCCH.
  • the DCI format of the target early indication channel is 1, the DCI format of the target PDCCH is 3, or the DCI format of the target early indication channel is 2, the DCI format of the target PDCCH is 4.
  • Target advance indication channel DCI format DCI format of the target PDCCH 1 3 2 4
  • the number of repetitions of the target advance indication channel corresponds to the number of repetitions of the target PDCCH.
  • the number of repetitions of the target advance indication channel is 1
  • the number of repetitions of the target PDCCH is 1
  • the number of repetitions of the target advance indication channel is 10
  • the number of repetitions of the target PDCCH is 10.
  • Target advance indicates the number of repetitions of the channel Target PDCCH repetitions 1 1 10 10
  • the aggregation level of the search space of the target advance indication channel corresponds to the aggregation level of the search space of the target PDCCH.
  • the aggregation level of the search space of the target advance indication channel is 1 Control Channel Element (CCE)
  • the aggregation level of the search space of the target PDCCH is 4 CCEs (4 CCEs)
  • the target advance indicates the channel.
  • the aggregation level of the search space is 4 CCEs
  • the aggregation level of the search space of the target PDCCH is 16 CCEs (16 CCEs).
  • the aggregation level of the search space of the target advance indication channel corresponds to multiple aggregation levels of the search space of the target PDCCH
  • the aggregation level of the search space of the target advance indication channel is 1 CCE
  • the aggregation level of the search space of the target PDCCH For 1, 2 or 4 CCEs, the aggregation level of the search space of the target early indication channel is 4 CCEs, and the aggregation level of the search space of the target PDCCH is 8 or 16 CCEs.
  • the number of repetitions of the target advance indication channel corresponds to the aggregation level of the search space of the target PDCCH.
  • the number of repetitions of the target advance indication channel is 1
  • the aggregation level of the search space of the target PDCCH is 1, 2 or 4 CCEs
  • the number of repetitions of the target advance indication channel is 10
  • the aggregation level of the search space of the target PDCCH It is 8 or 16 CCEs.
  • the terminal device may determine the format of the target early indication channel according to a preset correspondence between different parameters used to represent the format of the target early indication channel, or the terminal device may indicate the channel bearer according to the target advance indication.
  • a message determines the format of the target early indication channel, where the first information is used to indicate the format of the target early indication channel.
  • the terminal device determines the format of the target PDCCH according to the target advance indication channel and the first correspondence.
  • the parameter that characterizes the format of the target PDCCH includes a parameter in the first parameter set and a parameter in the second parameter set.
  • the method includes: determining, according to a parameter indicating a format of a target early indication channel and a second correspondence, a parameter in the first parameter set, where the second correspondence includes a format for characterizing the target early indication channel and the first Corresponding relationship of parameters in the parameter set; determining, according to the second information of the target bearer channel, determining a parameter in the second parameter set, where the second information is used to indicate a parameter in the second parameter set.
  • a part of the parameters used to characterize the format of the target PDCCH may be implicitly indicated by the format of the target advance indication channel, and another part of the parameter used to characterize the format of the target PDCCH may be displayed by the second information indicated by the target advance indication channel.
  • the number of repetitions of the target advance indication channel corresponds to the number of repetitions of the target PDCCH
  • the partial bit of the target advance indication channel indicates the aggregation level of the search space of the target PDCCH.
  • the target advance indication channel has a repetition number of 1
  • the target PDCCH has a repetition number of 1
  • the target advance indication channel has a repetition number of 10
  • the target PDCCH has a repetition number of 10.
  • one bit in the target early indication channel indicates the aggregation level of the search space of the target PDCCH.
  • the aggregation level of the search space of the target PDCCH is 1, 2 or 4CCEs, when the value of this bit is 1, the aggregation level of the search space of the target PDCCH is 8 or 16 CCEs.
  • Target advance indicates the number of repetitions of the channel Target PDCCH repetitions 1 1 10 10
  • determining a format of the target PDCCH according to the target advance indication channel in S120 includes: determining a format of the target PDCCH according to the third information of the target advance indication channel bearer, where the third information is used for Indicates the format of the target PDCCH. That is to say, the third information carried by the target early indication channel can display the format indicating the target PDCCH.
  • the third information includes at least one of the following information: a DCI format of the target PDCCH; a repetition number of the target PDCCH; an aggregation level of a search space of the target PDCCH; a control resource set of the PDCCH; and a time interval between the target PDCCH and the target advance indication channel;
  • the time interval between the target PDCCH and the target early indication channel includes at least one of the following time intervals: a time interval between an end time of the target early indication channel and a start time of the target PDCCH; And, the target advance indicates a time interval between a start time of the channel and a start time of the target PDCCH.
  • the end time of the target early indication channel is understood by the terminal device as the time when the terminal device ends receiving the target early indication channel, and is understood by the network device as the time when the network device receives the transmission target early indication channel.
  • the start time of the target early indication channel is understood by the terminal device as the time when the terminal device starts to receive the target early indication channel, and is understood by the network device as the time when the network device starts to transmit the target early indication channel.
  • the start time of the target PDCCH is understood by the terminal device as the time when the terminal device starts to listen to the target PDCCH, and the start time of the target PDCCH is understood by the network device as the time when the network device starts to transmit the target PDCCH.
  • the 2 bits carrying the third information may be introduced in the target early indication channel, and the format of the target PDCCH is indicated by the values of the two bits.
  • the values of 2 bits are 00, 01, 10, and 11 respectively indicating that the DCI format of the target PDCCH is Format 1, Format 2, Format 3, and Format 4.
  • the values of 2 bits are 00, 01, 10, and 11 respectively indicating that the number of repetitions of the target PDCCH is 1, 32, 256, and 1024.
  • 1 bit is introduced in the target early indication channel, and the time interval between the target PDCCH and the target early indication channel is indicated by the value of the 1 bit. When the value of 1 bit is 0, the time is indicated.
  • the interval is 5ms.
  • the value of 1bit is 1, the interval is 20ms.
  • the 2 bits are introduced in the target early indication channel, and the format of the target PDCCH is indicated by means of joint coding.
  • the DCI format of the target PDCCH indicated by the value of 2 bits is 00. 1.
  • the aggregation level of the search space is 1 CCE, and the number of repetitions is 1, and the DCI format of the target PDCCH indicated by 01 is 2, and the aggregation level of the search space is 4 CCEs, and the number of repetitions is 1, 2 bits.
  • the DCI format of the target PDCCH indicated by the value of 10 is format 2
  • the aggregation level of the search space is 8 CCEs, and the number of repetitions is 1, and the DCI format of the target PDCCH indicated by 11 bits of 2 bits is format 2.
  • Search space The aggregation level is 16 CCEs and the number of repetitions is 10.
  • the target indicates the bit value in the channel in advance.
  • DCI format of the target PDCCH 00 Format 1 01 Format 2 10 Format 3 11 Format 4
  • the first corresponding relationship, the second corresponding relationship, the specific content of the second information indication, and the specific content indicated by the third information in the embodiment of the present disclosure may be preset by a protocol or configured by the network device to the terminal device. of.
  • the network device may configure the foregoing preset correspondence and the specific content indicated by the information for the terminal device by using the system message.
  • method 200 is a method of wireless communication in accordance with another embodiment of the present disclosure.
  • the method 200 can be performed by a network device. It can be understood that the interaction between the terminal device and the network device described on the network device side is the same as that described on the terminal device side. To avoid repetition, the related description is omitted as appropriate. As shown in FIG. 2, method 200 includes:
  • the target early indication channel is sent to the terminal device, where the target early indication channel is used by the terminal device to determine, according to the target early indication channel, that the target early indication channel is instructed to perform target physical downlink control channel PDCCH monitoring.
  • the format of the target PDCCH which is a PDCCH related to the target early indication channel.
  • the format of the target PDCCH is characterized by at least one of the following parameters: a downlink control information DCI format of the target PDCCH, a time-frequency domain resource occupied by the target PDCCH, and the target The number of repetitions of the PDCCH and the aggregation level of the search space of the target PDCCH.
  • the target early indication channel is one of multiple early indication channels, and different early indication channels in the multiple advance indication channels have different formats, and the format of the advance indication channel is determined by At least one of the following parameters is characterized by: indicating the DCI format of the channel in advance, the time-frequency domain resource indicating the channel occupation in advance, the number of repetitions indicating the channel in advance, and the aggregation level of the search space indicating the channel in advance.
  • the method 200 before sending the target early indication channel to the terminal device, the method 200 further includes: determining, according to the format and the first correspondence of the target PDCCH, a format of the target early indication channel,
  • the first correspondence includes a correspondence between a format of the target advance indication channel and a format of the target PDCCH. That is to say, the network device knows the format of the target PDCCH, and the network device can determine the format of the target early indication channel that needs to be sent to the terminal device according to the format of the target PDCCH.
  • the format of the target PDCCH may be determined according to the format and the first correspondence of the determined target early indication channel.
  • the correspondence between the format of the target early indication channel and the format of the target PDCCH includes at least one of the following correspondences:
  • the target indicates the correspondence between the DCI format of the channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the number of repetitions of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the aggregation level of the search space of the target PDCCH;
  • the target indicates the correspondence between the number of repetitions of the channel and the number of repetitions of the target PDCCH
  • the target indicates the correspondence between the number of repetitions of the channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the DCI format of the target PDCCH;
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the aggregation level of the search space of the target PDCCH;
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the number of repetitions of the target PDCCH;
  • the target advance indicates a correspondence between the number of repetitions of the channel and the aggregation level of the search space of the target PDCCH.
  • the different parameters used to represent the format of the early indication channel have a preset correspondence relationship.
  • the target advance indication channel carries first information, where the first information is used to indicate a format of the target advance indication channel.
  • the parameter that is used to represent the format of the target PDCCH includes a parameter in the first parameter set and a parameter in the second parameter set, where the target advance indication channel carries the second information, the second The information is used to indicate the parameter in the second parameter set of the PDCCH format that represents the target early indication channel indication;
  • the method 200 further includes: before sending the target early indication channel to the terminal device, the method 200 further includes:
  • the target advance indication channel carries third information, where the third information is used to indicate a format of the target PDCCH.
  • the third information includes at least one of the following information:
  • the time interval between the target PDCCH and the target early indication channel includes at least one of the following time intervals:
  • the target advance indicates the time interval between the end time of the channel and the start time of the target PDCCH
  • the target advance indicates a time interval between a start time of the channel and a start time of the target PDCCH.
  • the method 200 before sending the target early indication channel to the terminal device, the method 200 further includes:
  • the format of the target early indication channel is a first format when determining that the target early indication channel indicates performing target PDCCH monitoring
  • the target early indication channel indicates to sleep
  • determining that the format of the target early indication channel is the second format.
  • FIG. 1 A method of wireless communication in accordance with an embodiment of the present disclosure is described in detail above in conjunction with FIGS. 1 and 2.
  • FIG. 1 A network device according to an embodiment of the present disclosure will be described in detail below with reference to FIG.
  • FIG. 3 is a schematic structural diagram of a network device according to an embodiment of the present disclosure. As shown in FIG. 3, the terminal device 10 includes:
  • the transceiver module 11 is configured to receive a target early indication channel
  • the processing module 12 is configured to determine, according to the target advance indication channel, a format of the target PDCCH, where the target advance indication channel indicates that the target physical downlink control channel PDCCH is monitored, where the target PDCCH is an indication with the target Channel related PDCCH.
  • the terminal device receives the target early indication channel and determines the format of the target PDCCH according to the target advance indication signal when determining the target early indication channel indication to perform the target physical downlink control channel PDCCH monitoring, and further determines before performing PDCCH monitoring.
  • the format of the PDCCH to be monitored is used to avoid blind detection of all PDCCHs in the PDCCH blind detection candidate set, reduce the number of blind detections on the PDCCH, and reduce power consumption.
  • the format of the target PDCCH is characterized by at least one of the following parameters: a downlink control information DCI format of the target PDCCH, a time-frequency domain resource occupied by the target PDCCH, and the target The number of repetitions of the PDCCH and the aggregation level of the search space of the target PDCCH.
  • the target early indication channel is one of multiple early indication channels, and different early indication channels in the multiple advance indication channels have different formats, and the format of the advance indication channel is determined by At least one of the following parameters is characterized by: indicating the DCI format of the channel in advance, the time-frequency domain resource indicating the channel occupation in advance, the number of repetitions indicating the channel in advance, and the aggregation level of the search space indicating the channel in advance.
  • processing module 12 is specifically configured to:
  • the correspondence between the format of the target early indication channel and the format of the target PDCCH includes at least one of the following correspondences:
  • the target indicates the correspondence between the DCI format of the channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the number of repetitions of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the aggregation level of the search space of the target PDCCH;
  • the target indicates the correspondence between the number of repetitions of the channel and the number of repetitions of the target PDCCH
  • the target indicates the correspondence between the number of repetitions of the channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the DCI format of the target PDCCH;
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the aggregation level of the search space of the target PDCCH;
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the number of repetitions of the target PDCCH;
  • the target advance indicates a correspondence between the number of repetitions of the channel and the aggregation level of the search space of the target PDCCH.
  • the preset parameters for characterizing the format of the target early indication channel have a preset correspondence.
  • the target advance indication channel carries first information, where the first information is used to indicate a format of the target advance indication channel.
  • the parameter that characterizes the format of the target PDCCH includes a parameter in the first parameter set and a parameter in the second parameter set;
  • the processing module 12 is specifically configured to:
  • processing module 12 is specifically configured to:
  • the third information includes at least one of the following information:
  • the time interval between the target PDCCH and the target early indication channel includes at least one of the following time intervals:
  • the target advance indicates a time interval between a start time of the channel and a start time of the target PDCCH.
  • processing module 12 is further configured to:
  • determining that the format of the target early indication channel is the first format, determining that the target early indication channel indicates performing target PDCCH monitoring;
  • the target early indication channel When it is determined that the format of the target early indication channel is the second format, determining that the target early indication channel indicates to perform sleep.
  • the terminal device may refer to the flow of the method 100 corresponding to the embodiment of the present disclosure, and the respective units/modules in the terminal device and the other operations and/or functions described above are respectively implemented to implement the corresponding processes in the method 100. For the sake of brevity, it will not be repeated here.
  • FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present disclosure. As shown in FIG. 4, the network device 20 includes:
  • the transceiver module 21 is configured to send a target early indication channel to the terminal device, where the target early indication channel is used by the terminal device to indicate the channel according to the target when determining that the target early indication channel indicates the target physical downlink control channel PDCCH monitoring Determining a format of the target PDCCH, where the target PDCCH is a PDCCH related to the target early indication channel.
  • the format of the target PDCCH is characterized by at least one of the following parameters: a downlink control information DCI format of the target PDCCH, a time-frequency domain resource occupied by the target PDCCH, and the target The number of repetitions of the PDCCH and the aggregation level of the search space of the target PDCCH.
  • the target early indication channel is one of multiple early indication channels, and different early indication channels in the multiple advance indication channels have different formats, and the format of the advance indication channel is determined by At least one of the following parameters is characterized by: indicating the DCI format of the channel in advance, the time-frequency domain resource indicating the channel occupation in advance, the number of repetitions indicating the channel in advance, and the aggregation level of the search space indicating the channel in advance.
  • the network device further includes a processing module 22;
  • the processing module 22 is configured to: before the transceiver module 21 sends the target early indication channel to the terminal device, the processing module 22 is configured to:
  • the correspondence between the format of the target early indication channel and the format of the target PDCCH includes at least one of the following correspondences:
  • the target indicates the correspondence between the DCI format of the channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the number of repetitions of the target PDCCH
  • the target indicates the correspondence between the DCI format of the channel and the aggregation level of the search space of the target PDCCH;
  • the target indicates the correspondence between the number of repetitions of the channel and the number of repetitions of the target PDCCH
  • the target indicates the correspondence between the number of repetitions of the channel and the DCI format of the target PDCCH
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the DCI format of the target PDCCH;
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the aggregation level of the search space of the target PDCCH;
  • the target indicates the correspondence between the aggregation level of the search space of the channel and the number of repetitions of the target PDCCH;
  • the target advance indicates a correspondence between the number of repetitions of the channel and the aggregation level of the search space of the target PDCCH.
  • the different parameters used to represent the format of the early indication channel have a preset correspondence relationship.
  • the target advance indication channel carries first information, where the first information is used to indicate a format of the target advance indication channel.
  • the network device further includes a processing module 22, where the parameter that characterizes the format of the target PDCCH includes a parameter in the first parameter set and a second parameter set. a parameter, where the target advance indication channel carries the second information, where the second information is used to indicate the parameter in the second parameter set of the PDCCH format that represents the target early indication channel indication;
  • the processing module 22 is configured to: before the transceiver module 21 sends the target early indication channel to the terminal device, the processing module 22 is configured to:
  • the target advance indication channel carries third information, where the third information is used to indicate a format of the target PDCCH.
  • the third information includes at least one of the following information:
  • the time interval between the target PDCCH and the target early indication channel includes at least one of the following time intervals:
  • the target advance indicates the time interval between the end time of the channel and the start time of the target PDCCH
  • the target advance indicates a time interval between a start time of the channel and a start time of the target PDCCH.
  • the network device further includes a processing module 22;
  • the processing module 22 is configured to: before the transceiver module 21 sends the target early indication channel to the terminal device, the processing module 22 is configured to:
  • the format of the target early indication channel is a first format when determining that the target early indication channel indicates performing target PDCCH monitoring
  • the target early indication channel indicates to sleep
  • determining that the format of the target early indication channel is the second format.
  • a network device may refer to a flow of a method 200 corresponding to an embodiment of the present disclosure, and each unit/module in the network device and the other operations and/or functions described above are respectively implemented to implement a corresponding process in the method 200. For the sake of brevity, it will not be repeated here.
  • FIG. 5 is a schematic structural diagram of a terminal device according to another embodiment of the present disclosure.
  • the terminal device 100 includes: at least one processor 110, a memory 120, at least one network interface 130, and a user interface 140.
  • the various components in terminal device 100 are coupled together by bus system 150.
  • bus system 150 is used to implement connection communication between these components.
  • the bus system 150 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 150 in FIG.
  • the user interface 140 may include a display, a keyboard, or a pointing device (eg, a mouse, a trackball, a touchpad, or a touch screen, etc.).
  • a pointing device eg, a mouse, a trackball, a touchpad, or a touch screen, etc.
  • the memory 120 in the embodiments of the present disclosure 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 (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • the memory 120 of the systems and methods described in the embodiments of the present disclosure is intended to comprise, without being limited to, these and any other suitable types of memory.
  • memory 120 stores elements, executable modules or data structures, or a subset thereof, or their extended set: operating system 121 and application 122.
  • the operating system 121 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 122 includes various applications, such as a media player (Media Player), a browser (Browser), etc., for implementing various application services.
  • a program implementing the method of the embodiments of the present disclosure may be included in the application 122.
  • the terminal device 100 further includes: a computer program stored on the memory 120 and operable on the processor 110, and the computer program is executed by the processor 110 to implement various processes of the method 100 described above, and can achieve the same The technical effect, in order to avoid duplication, will not be repeated here.
  • Processor 110 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 110 or an instruction in a form of software.
  • the processor 110 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software modules can be located in a conventional computer readable storage medium of the art, such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the computer readable storage medium is located in the memory 120, and the processor 110 reads the information in the memory 120 and, in conjunction with its hardware, performs the steps of the above method.
  • the computer readable storage medium stores a computer program that, when executed by the processor 110, implements the steps of the method embodiment as in the method 100 above.
  • the embodiments described in the embodiments of the present disclosure may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described in this disclosure In an electronic unit or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described in the embodiments of the present disclosure may be implemented by modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • FIG. 6 shows a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • network device 200 includes a processor 210, a transceiver 220, a memory 230, and a bus interface. among them:
  • the network device 200 further includes: a computer program stored on the memory 230 and operable on the processor 210, the computer program being implemented by the processor 210 to implement the method 200
  • a computer program stored on the memory 230 and operable on the processor 210, the computer program being implemented by the processor 210 to implement the method 200
  • Each process can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 210 and various circuits of memory represented by memory 230.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 220 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 210 is responsible for managing the bus architecture and general processing, and the memory 130 can store data used by the processor 210 in performing operations.
  • the embodiment of the present disclosure further provides a computer readable storage medium.
  • the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements the processes of the foregoing methods 100 and 200, and achieves the same technical effect. To avoid repetition, we will not repeat them here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.

Abstract

本公开公开一种无线通信的方法和设备，该方法包括：接收目标提前指示信道；在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。

Description

无线通信的方法和设备
相关申请的交叉引用
本申请主张在2018年1月5日在中国提交的中国专利申请号No.201810012588.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，更具体地涉及无线通信的方法和设备。
背景技术
目前的通信系统为处于空闲态(Idle)的终端设备配置检测寻呼(Paging)信号的预配置时间，空闲态的终端设备在预配置时间上盲检测寻呼-无线网络临时标识(Paging-Radio Network Temporary Identity，P-RNTI)对应的PDCCH。为处于连接态的终端设备配置一个非连续接收(Discontinuous Reception，DRX)周期(Cycle)，DRX Cycle由激活时段(On Duration)和休眠时段(Opportunity for DRX)组成：在On Duration内，终端设备监听并接收PDCCH，在Opportunity for DRX内终端设备休眠或者不监听PDCCH以减少功耗。
虽然为了进一步减少终端设备的功耗，引入了提前指示信号。但是如果提前指示信号指示终端设备盲检测Paging信号或PDCCH，终端设备需要对多种PDCCH盲检测候选集进行盲检测，仍需要消耗终端设备的大量电量。
发明内容
本公开实施例的目的是提供一种无线通信的方法和设备，以解决终端设备监听PDCCH需要消耗大量电量的问题。
第一方面，提供了一种无线通信的方法，应用于终端设备，该方法包括：
接收目标提前指示信道；
在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为 与所述目标提前指示信道相关的PDCCH。
第二方面，提供了一种无线通信的方法，应用于网络设备，该方法包括：向终端设备发送目标提前指示信道，所述目标提前指示信道用于终端设备在确定所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
第三方面，提供了一种终端设备，该终端设备包括：
收发模块，用于接收目标提前指示信道；
处理模块，用于在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
第四方面，提供了一种网络设备，该网络设备包括：
收发模块，用于向终端设备发送目标提前指示信道，所述目标提前指示信道用于终端设备在确定所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
第五方面，提供了一种终端设备，该终端设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如第一方面所述的无线通信的方法的步骤。
第六方面，提供了一种网络设备，该网络设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如第二方面所述的无线通信的方法的步骤。
第七方面，提供了一种计算机可读存储介质，其中，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如第一方面所述的无线通信的方法的步骤。
第八方面，提供了一种计算机可读存储介质，其中，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如第二方面所述的无线通信的方法的步骤
在本公开实施例中，终端设备接收目标提前指示信道并在确定目标提前 指示信道指示进行目标物理下行控制信道PDCCH监听时，根据目标提前指示信道确定目标PDCCH的格式，进而在进行PDCCH监听之前确定出要监听的PDCCH的格式，避免对PDCCH盲检测候选集中的所有PDCCH进行盲检测，减少终端设备对PDCCH的盲检测次数，降低终端设备的电量消耗。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1是根据本公开的一个实施例的无线通信的方法的示意性流程图。
图2是根据本公开的另一个实施例的无线通信的方法的示意性流程图。
图3是根据本公开的一个实施例的终端设备的结构示意图。
图4是根据本公开的一个实施例的网络设备的结构示意图。
图5是根据本公开的另一个实施例的终端设备的结构示意图。
图6是根据本公开的另一个实施例的网络设备的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开的技术方案，可以应用于各种通信系统，例如：全球移动通讯系统(Global System of Mobile communication，GSM)，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)系统，长期演进(Long Term Evolution，LTE)/增强长期演进(Long Term Evolution-advanced，LTE-A)系统，窄带物联网(Narrow Band Internet of Things，NB-IoT)系统，机器类型通信(Machine-Type Communication，MTC)系统，新无线(New Radio，NR)系统等。
终端设备(User Equipment，UE)，也可称之为移动终端(Mobile Terminal)、移动用户设备等，可以经无线接入网(例如，Radio Access Network，RAN)与一个或多个核心网进行通信，用户设备可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，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，它们与无线接入网交换语言和/或数据。
网络设备是一种部署在无线接入网设中用于为终端设备提供无线通信功能的装置，所述网络设备可以为基站，所述基站可以是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(evolutional Node B，eNB或e-NodeB，)及5G基站(gNB)。
以下结合附图，详细说明本公开各实施例提供的技术方案。
图1示出了根据本公开一个实施例的无线通信的方法。如图1所示，方法100包括：
S110，接收目标提前指示信道。
需要说明的是，在S110中目标提前指示信道可以为相关技术中的通信协议中或者标准化组织正在讨论的唤醒信号(Wake-up signal，WUS)或者为相关技术中的通信协议中的睡眠信号(Go-to-sleep signal)。在这里提前指示信道是基于PDCCH的，例如基于一种新的PDCCH。
在本公开实施例中，可选地，目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。也就是说，不同格式的提前指示信道至少有以下一项不同：DCI格式、占用的时频域资源、重复次数、搜索空间的聚合等级。并且可以理解的是，由于目标提前指示信道为多种提前指示信道中的一种，因此终端设备在检测目标提前指示信道时，需要采用盲检测的方式进行检测。
进一步地，用于表征目标提前指示信道的格式的不同参数之间具有预设对应关系。可以理解的是，用于表征目标提前指示信道的格式的不同参数之 间的预设对应关系可以是协议预先设置的或者是网络设备配置给终端设备的。在这里，网络设备可以通过系统消息为终端设备配置上述的预设对应关系。
举例来说，目标提前指示信道的搜索空间的聚合等级与目标提前指示信道的重复次数之间具有预设对应关系，或者说目标提前指示信道的搜索空间的每种聚合等级对应一种或多种重复次数。如表1中所示出的，目标提前指示信道的聚合等级为1时，目标提前指示信道的重复次数为1；目标提前指示信道的聚合等级为2时，目标提前指示信道的重复次数为10。
表1
目标提前指示信道的聚合等级 目标提前指示信道的重复次数
1 1
2 10
或者再例如，目标提前指示信道的DCI格式与目标提前指示信道的重复次数之间具有预设对应关系，或者说目标提前指示信道的每种DCI格式对应一种或多种重复次数。如表2中所示出的，目标提前指示信道的DCI格式为1，目标提前指示信道的重复次数为1；目标提前指示信道的DCI格式为2，目标提前指示信道的重复次数为2。
或者再例如，目标提前指示信道的DCI格式与目标提前指示信道的聚合等级之间具有预设对应关系，或者说目标提前指示信道的每种DCI格式对应一种或多种聚合等级。比如，目标提前指示信道的DCI格式为1，目标提前指示信道的聚合等级为1个CCE(Control Channel Element)；目标提前指示信道的DCI格式为2，目标提前指示信道的聚合等级为2个CCE(Control Channel Element)。
表2
目标提前指示信道的DCI格式 目标提前指示信道的重复次数
1 1
2 10
在本公开实施例中，可选地，终端设备根据网络设备发送的系统消息/Msg4消息/RRC消息/DCI/MAC CE等确定提前指示信道的最大重复次数或者 最大时长(Maximum Duration)。或者提前指示信道的最大重复次数与Rmax(用户专用PDCCH的最大重复次数)具有对应关系，终端设备根据Rmax和该对应关系可以得到提前指示信道的最大重复次数。
进一步地，不同终端设备的提前指示信道的实际重复次数或者实际时长(Actual Duration)可由网络设备通过系统消息/Msg4消息/RRC消息/DCI/MAC CE等通知终端设备，终端设备根据接收到的网络设备发送的上述消息确定提前指示信道的实际重复次数或实际时长。或者提前指示信道的实际重复次数与R(用户专用PDCCH的实际重复次数)具有对应关系，终端设备根据R和该对应关系可以得到提前指示信道的实际重复次数。或者终端设备通过盲检测的方式检测提前指示信道，从而确定提前指示信道的实际重复次数或实际时长。
S120，在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
需要说明的是，目标PDCCH为与目标提前指示信道相关的PDCCH可以理解为该目标PDCCH为在目标提前指示信道指示终端设备执行监听PDCCH的操作时，终端设备最近一次需要监听的PDCCH，例如，根据目标提前指示信道的开始或者结束时刻以及预设的时间间隔计算得到相关PDCCH的开始时间。所述预设的时间间隔为目标提前指示信道的开始或者结束时刻到相关PDCCH的开始时刻之间的时间间隔。这里的目标PDCCH可以是寻呼Paging PDCCH或者除Paging PDCCH外的其他PDCCH。
还需要说明的是，如果目标提前指示信号指示进行休眠，则终端设备继续休眠，并不进行目标PDCCH的监听。
可以理解的是，在S120中终端设备根据目标提前指示信道确定目标PDCCH的格式之后，可以根据目标PDCCH的格式进行目标PDCCH的监听。
可选地，在一些实施例中，目标提前指示信道传输的内容包括用于指示目标提前指示信道指的的行为的指示信息。例如，可以用1个比特(Bit)承载该指示信息，这个比特的取值为1时目标提前指示信道指示进行PDCCH监听，比特取0时目标提前指示信道指示进行休眠。
可选地，在另一些实施例中，网络设备和终端设备事先约定或者网络设备通过信令告知终端设备以下规则：如果网络设备向终端设备发送目标提前指示信道，则表示目标提前指示信道指示进行PDCCH监听，否则(例如不发送目标提前指示信道)表示目标提前指示信道指示进行休眠。在这种情况下，如果终端设备接收到目标提前指示信道则确定需要进行PDCCH监听，否则确定需要进行休眠。
可选地，在一些实施例中，提前指示信道的格式与指示的行为之间具有对应关系。或者可以理解为一种格式的提前指示信道指示进行PDCCH监听，另一种格式的提前指示信道指示进行休眠。在这种情况下，终端设备在确定所述目标提前指示信道的格式为第一格式时，确定所述目标提前指示信道指示进行目标PDCCH监听；终端设备在确定所述目标提前指示信道的格式为第二格式时，确定所述目标提前指示信道指示进行休眠。
具体地，在一些实施例中，目标PDCCH的格式由以下参数中的至少一种表征：目标PDCCH的下行控制信息DCI格式、目标PDCCH占用的时频域资源、目标PDCCH的重复次数、目标PDCCH的搜索空间的聚合等级。
可选地，作为一个例子，S120中根据目标提前指示信道确定目标PDCCH的格式包括：根据目标提前指示信道的格式和第一对应关系，确定所述目标PDCCH的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。也就是说，目标提前指示信道的格式可以隐式指示目标PDCCH的格式。
举例来说，目标提前指示信道的格式与目标PDCCH的格式之间的对应关系包括下列对应关系中的至少一种：所述目标提前指示信道的DCI格式与所述目标PDCCH的DCI格式的对应关系；所述目标提前指示信道的DCI格式与所述目标PDCCH的重复次数的对应关系；所述目标提前指示信道的DCI格式与所述目标PDCCH的搜索空间的聚合等级的对应关系；所述目标提前指示信道的DCI格式与所述目标PDCCH的控制资源集的对应关系；所述目标提前指示信道的重复次数与所述目标PDCCH的重复次数的对应关系；所述目标提前指示信道的重复次数与所述目标PDCCH的DCI格式的对应关系；所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的DCI格式的对应关系； 所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的搜索空间的聚合等级的对应关系；所述目标提前指示信道的控制资源集与所述目标PDCCH的控制资源集的对应关系；所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的重复次数的对应关系；以及，所述目标提前指示信道的重复次数与所述目标PDCCH的搜索空间的聚合等级的对应关系。
例如表3中所示出的，目标提前指示信道的DCI格式对应着目标PDCCH的DCI格式。在表3中，目标提前指示信道的DCI格式为1时，目标PDCCH的DCI格式为3，或者目标提前指示信道的DCI格式为2时，目标PDCCH的DCI格式为4。
表3
目标提前指示信道的DCI格式 目标PDCCH的DCI格式
1 3
2 4
或者又例如表4中示出的，目标提前指示信道的重复次数对应着目标PDCCH的重复次数。在表4中，目标提前指示信道的重复次数为1，目标PDCCH的重复次数为1，目标提前指示信道的重复次数为10，目标PDCCH的重复次数为10。
表4
目标提前指示信道的重复次数 目标PDCCH的重复次数
1 1
10 10
或者再例如表5和表6中所示出的，目标提前指示信道的搜索空间的聚合等级对应着目标PDCCH的搜索空间的聚合等级。在表5中，目标提前指示信道的搜索空间的聚合等级为1个控制信道单元(Control Channel Element，CCE)，目标PDCCH的搜索空间的聚合等级为4个CCE(4CCEs)，目标提前指示信道的搜索空间的聚合等级为4个CCE，目标PDCCH的搜索空间的聚合等级为16个CCE(16CCEs)。在表6中，目标提前指示信道的搜索空间的一种聚合等级对应目标PDCCH的搜索空间的多种聚合等级，目标提前指示信道的 搜索空间的聚合等级为1CCE，目标PDCCH的搜索空间的聚合等级为1、2或4个CCE，目标提前指示信道的搜索空间的聚合等级为4个CCE，目标PDCCH的搜索空间的聚合等级为8或16个CCE。
表5
Figure PCTCN2018125413-appb-000001
表6
Figure PCTCN2018125413-appb-000002
或者再例如，如表7所示出的，目标提前指示信道的重复次数对应着目标PDCCH的搜索空间的聚合等级。在表7中，目标提前指示信道的重复次数为1，目标PDCCH的搜索空间的聚合等级为1、2或4个CCE，目标提前指示信道的重复次数为10，目标PDCCH的搜索空间的聚合等级为8或16个CCE。
表7
Figure PCTCN2018125413-appb-000003
在本公开实施例中，终端设备可以根据用于表征目标提前指示信道的格式的不同参数之间的预设对应关系确定目标提前指示信道的格式，或者终端设备可以根据目标提前指示信道承载的第一信息确定目标提前指示信道的格式，这里第一信息用于指示目标提前指示信道的格式。终端设备在确定出目 标提前指示信道的格式之后，根据目标提前指示信道和第一对应关系确定目标PDCCH的格式。
可选地，作为另一个例子，表征目标PDCCH的格式的参数包括第一参数集中的参数和第二参数集合中的参数，在这种情况下，S120中根据目标提前指示信道确定目标PDCCH的格式包括：根据表征目标提前指示信道的格式的参数和第二对应关系，确定所述第一参数集合中的参数，所述第二对应关系包括表征所述目标提前指示信道的格式和所述第一参数集合中的参数的对应关系；根据所述目标提前指示信道承载的第二信息，确定第二参数集合中的参数，所述第二信息用于指示所述第二参数集合中的参数。也就是说，用于表征目标PDCCH的格式的一部分参数可以通过目标提前指示信道的格式隐式的指示，用于表征目标PDCCH的格式的另一部分参数可以通过目标提前指示信道承载的第二信息显示的指示。
举例来说，目标提前指示信道的重复次数对应着目标PDCCH的重复次数，目标提前指示信道的部分bit指示目标PDCCH的搜索空间的聚合等级。如表8中所示出的，目标提前指示信道的重复次数为1，目标PDCCH的重复次数为1，目标提前指示信道的重复次数为10，目标PDCCH的重复次数为10。如表9中所示出的，目标提前指示信道中的1个bit指示目标PDCCH的搜索空间的聚合等级，这一个bit的值为0时，目标PDCCH的搜索空间的聚合等级为1、2或4CCEs，这一个bit的值为1时，目标PDCCH的搜索空间的聚合等级为8或16CCEs。
表8
目标提前指示信道的重复次数 目标PDCCH的重复次数
1 1
10 10
表9
Figure PCTCN2018125413-appb-000004
Figure PCTCN2018125413-appb-000005
可选地，作为再一个例子，S120中的根据目标提前指示信道确定目标PDCCH的格式包括：根据目标提前指示信道承载的第三信息，确定所述目标PDCCH的格式，所述第三信息用于指示所述目标PDCCH的格式。也就是说，目标提前指示信道承载的第三信息能够显示指示目标PDCCH的格式。
可选地，作为一个例子，第三信息包括下列信息中的至少一种：所述目标PDCCH的DCI格式；所述目标PDCCH的重复次数；所述目标PDCCH的搜索空间的聚合等级；所述目标PDCCH的控制资源集；以及，所述目标PDCCH与所述目标提前指示信道之间的时间间隔；
其中，所述目标PDCCH与所述目标提前指示信道之间的时间间隔包括下列时间间隔的至少一种：所述目标提前指示信道的结束时刻与所述目标PDCCH的开始时刻之间的时间间隔；以及，所述目标提前指示信道的开始时刻与所述目标PDCCH的开始时刻之间的时间间隔。
需要说明的是，目标提前指示信道的结束时刻对于终端设备来讲理解为终端设备结束接收目标提前指示信道的时刻，对于网络设备来讲理解为网络设备接收发送目标提前指示信道的时刻。目标提前指示信道的开始时刻对于终端设备来讲理解为终端设备开始接收目标提前指示信道的时刻，对于网络设备来讲理解为网络设备开始发送目标提前指示信道的时刻。目标PDCCH的开始时刻对于终端设备来讲理解为终端设备开始监听目标PDCCH的时刻，目标PDCCH的开始时刻对于网络设备来讲理解为网络设备开始发送目标PDCCH的时刻。
举例来说，可以在目标提前指示信道中引入2bits承载第三信息，通过这两bits的值指示目标PDCCH的格式。例如，表10中所示出的，2bits的取值为00、01、10、11分别指示目标PDCCH的DCI格式为格式1、格式2、格式3和格式4。或者如表11中所示出的，2bits的取值为00、01、10、11分别指示目标PDCCH的重复次数为1、32、256、1024。又或者如表12中所示出的，在目标提前指示信道中引入1bit，通过这1bit的取值指示目标PDCCH与目标提前指示信道之间的时间间隔，1bit的取值为0时，指示时间 间隔为5ms，1bit的取值为1时，指示时间间隔为20ms。再或者如表13中所示出的，在目标提前指示信道中引入2个bit，通过联合编码的方式指示目标PDCCH的格式，例如，2bits的取值为00指示的目标PDCCH的DCI格式为格式1、搜索空间的聚合等级为1个CCE、重复次数为1，2bits的取值为01指示的目标PDCCH的DCI格式为格式1、搜索空间的聚合等级为4个CCE、重复次数为1，2bits的取值为10指示的目标PDCCH的DCI格式为格式2、搜索空间的聚合等级为8个CCE、重复次数为1，2bits的取值为11指示的目标PDCCH的DCI格式为格式2、搜索空间的聚合等级为16个CCE、重复次数为10。
表10
目标提前指示信道中的bit取值 目标PDCCH的DCI格式
00 格式1
01 格式2
10 格式3
11 格式4
表11
目标提前指示信道中的bit取值 目标PDCCH的重复次数
00 1
01 32
10 256
11 1024
表12
Figure PCTCN2018125413-appb-000006
表13
Figure PCTCN2018125413-appb-000007
需要说明的是，本公开实施例中的第一对应关系、第二对应关系、第二信息指示的具体内容以及第三信息指示的具体内容可以是协议预先设置的或者是网络设备配置给终端设备的。在这里，网络设备可以通过系统消息为终端设备配置上述的预设对应关系和信息指示的具体内容。
图2是根据本公开另一实施例的无线通信的方法。该方法200可以由网络设备执行。可以理解的是，从网络设备侧描述的终端设备与网络设备的交互与终端设备侧的描述相同，为避免重复，适当省略相关描述。如图2所示，方法200包括：
S210，向终端设备发送目标提前指示信道，所述目标提前指示信道用于终端设备在确定所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
可选地，作为一个实施例，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH的搜索空间的聚合等级。
可选地，作为一个实施例，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示 信道的搜索空间的聚合等级。
可选地，作为一个实施例，在向终端设备发送目标提前指示信道之前，所述方法200还包括：根据所述目标PDCCH的格式和第一对应关系，确定所述目标提前指示信道的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。也就是说，网络设备已知目标PDCCH的格式，网络设备可以根据目标PDCCH的格式确定需要向终端设备发送的目标提前指示信道的格式。终端设备接收到目标提前指示信道时，根据确定出的目标提前指示信道的格式和第一对应关系可以确定出目标PDCCH的格式。
可选地，作为一个实施例，所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系包括下列对应关系中的至少一种：
所述目标提前指示信道的DCI格式与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的重复次数的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的搜索空间的聚合等级的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的控制资源集的对应关系；
所述目标提前指示信道的重复次数与所述目标PDCCH的重复次数的对应关系；
所述目标提前指示信道的重复次数与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的搜索空间的聚合等级的对应关系；
所述目标提前指示信道的控制资源集与所述目标PDCCH的控制资源集的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的重复次数的对应关系；以及，
所述目标提前指示信道的重复次数与所述目标PDCCH的搜索空间的聚合等级的对应关系。
可选地，作为一个实施例，用于表征提前指示信道的格式的不同参数之间具有预设对应关系。
可选地，作为一个实施例，所述目标提前指示信道承载第一信息，所述第一信息用于指示所述目标提前指示信道的格式。
可选地，作为一个实施例，表征所述目标PDCCH的格式的参数包括第一参数集合中的参数和第二参数集合中的参数，所述目标提前指示信道承载第二信息，所述第二信息用于指示所述表征所述目标提前指示信道指示的PDCCH格式的第二参数集合中的参数；
其中，在向终端设备发送目标提前指示信道之前，所述方法200还包括：
根据所述第一参数集合中的参数和第二对应关系，确定表征所述目标提前指示信道的格式的参数，所述第二对应关系包括表征所述目标提前指示信道的格式的参数和所述第一参数集合中的参数的对应关系。
可选地，作为一个实施例，所述目标提前指示信道承载第三信息，所述第三信息用于指示所述目标PDCCH的格式。
可选地，作为一个实施例，所述第三信息包括下列信息中的至少一种：
所述目标PDCCH的DCI格式；
所述目标PDCCH的重复次数；
所述目标PDCCH的搜索空间的聚合等级；
所述目标PDCCH的控制资源集；以及，
所述目标PDCCH与所述目标提前指示信道之间的时间间隔；
其中，所述目标PDCCH与所述目标提前指示信道之间的时间间隔包括下列时间间隔的至少一种：
所述目标提前指示信道的结束时刻与所述目标PDCCH的开始时刻之间的时间间隔；以及
所述目标提前指示信道的开始时刻与所述目标PDCCH的开始时刻之间的 时间间隔。
可选地，作为一个实施例，在向终端设备发送目标提前指示信道之前，所述方法200还包括：
在确定所述目标提前指示信道指示进行目标PDCCH监听时，确定所述目标提前指示信道的格式为第一格式；
在确定所述目标提前指示信道指示进行休眠时，确定所述目标提前指示信道的格式为第二格式。
以上结合图1和图2详细描述了根据本公开实施例的无线通信的方法。下面将结合图3详细描述根据本公开实施例的网络设备。
图3是根据本公开实施例的网络设备的结构示意图。如图3所示，终端设备10包括：
收发模块11，用于接收目标提前指示信道；
处理模块12，用于在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
根据本公开实施例的终端设备接收目标提前指示信道并在确定目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据目标提前指示信到确定目标PDCCH的格式，进而在进行PDCCH监听之前确定出要监听的PDCCH的格式，避免对PDCCH盲检测候选集中的所有PDCCH进行盲检测，减少对PDCCH的盲检测次数，降低电量消耗。
可选地，作为一个实施例，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH的搜索空间的聚合等级。
可选地，作为一个实施例，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。
可选地，作为一个实施例，所述处理模块12具体用于：
根据所述目标提前指示信道的格式和第一对应关系，确定所述目标PDCCH的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。
可选地，作为一个实施例，所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系包括下列对应关系中的至少一种：
所述目标提前指示信道的DCI格式与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的重复次数的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的搜索空间的聚合等级的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的控制资源集的对应关系；
所述目标提前指示信道的重复次数与所述目标PDCCH的重复次数的对应关系；
所述目标提前指示信道的重复次数与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的搜索空间的聚合等级的对应关系；
所述目标提前指示信道的控制资源集与所述目标PDCCH的控制资源集的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的重复次数的对应关系；以及，
所述目标提前指示信道的重复次数与所述目标PDCCH的搜索空间的聚合等级的对应关系。
可选地，作为一个实施例，用于表征所述目标提前指示信道的格式的不 同参数之间具有预设对应关系。
可选地，作为一个实施例，所述目标提前指示信道承载第一信息，所述第一信息用于指示所述目标提前指示信道的格式。
可选地，作为一个实施例，表征所述目标PDCCH的格式的参数包括第一参数集合中的参数和第二参数集合中的参数；
其中，所述处理模块12具体用于：
根据表征所述目标提前指示信道的格式的参数和第二对应关系，确定所述第一参数集合中的参数，所述第二对应关系包括表征所述目标提前指示信道的格式的参数和所述第一参数集合中的参数的对应关系；
根据所述目标提前指示信道承载的第二信息，确定所述第二参数集合中的参数，所述第二信息用于指示所述第二参数集合中的参数。
可选地，作为一个实施例，所述处理模块12具体用于：
根据所述目标提前指示信道承载的第三信息，确定所述目标PDCCH的格式，所述第三信息用于指示所述目标PDCCH的格式。
可选地，作为一个实施例，所述第三信息包括下列信息中的至少一种：
所述目标PDCCH的DCI格式；
所述目标PDCCH的重复次数；
所述目标PDCCH的搜索空间的聚合等级；
所述目标PDCCH的控制资源集；以及，
所述目标PDCCH与所述目标提前指示信道之间的时间间隔；
其中，所述目标PDCCH与所述目标提前指示信道之间的时间间隔包括下列时间间隔的至少一种：
所述目标提前指示信道的结束时刻与所述目标PDCCH的开始时刻之间的时间间隔；以及，
所述目标提前指示信道的开始时刻与所述目标PDCCH的开始时刻之间的时间间隔。
可选地，作为一个实施例，所述处理模块12还用于：
在确定所述目标提前指示信道的格式为第一格式时，确定所述目标提前指示信道指示进行目标PDCCH监听；
在确定所述目标提前指示信道的格式为第二格式时，确定所述目标提前指示信道指示进行休眠。
根据本公开实施例的终端设备可以参照对应本公开实施例的方法100的流程，并且，该终端设备中的各个单元/模块和上述其他操作和/或功能分别为了实现方法100中的相应流程，为了简洁，在此不再赘述。
图4是根据本公开实施例的网络设备的结构示意图。如图4所述，网络设备20包括：
收发模块21，用于向终端设备发送目标提前指示信道，所述目标提前指示信道用于终端设备在确定所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
可选地，作为一个实施例，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH的搜索空间的聚合等级。
可选地，作为一个实施例，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。
可选地，作为一个实施例，如图4所示出的，所述网络设备还包括处理模块22；
其中，在所述收发模块21向终端设备发送目标提前指示信道之前，所述处理模块22用于：
根据所述目标PDCCH的格式和第一对应关系，确定所述目标提前指示信道的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。
可选地，作为一个实施例，所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系包括下列对应关系中的至少一种：
所述目标提前指示信道的DCI格式与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的重复次数的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的搜索空间的聚合等级的对应关系；
所述目标提前指示信道的DCI格式与所述目标PDCCH的控制资源集的对应关系；
所述目标提前指示信道的重复次数与所述目标PDCCH的重复次数的对应关系；
所述目标提前指示信道的重复次数与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的DCI格式的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的搜索空间的聚合等级的对应关系；
所述目标提前指示信道的控制资源集与所述目标PDCCH的控制资源集之间的对应关系；
所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的重复次数的对应关系；以及，
所述目标提前指示信道的重复次数与所述目标PDCCH的搜索空间的聚合等级的对应关系。
可选地，作为一个实施例，用于表征提前指示信道的格式的不同参数之间具有预设对应关系。
可选地，作为一个实施例，所述目标提前指示信道承载第一信息，所述第一信息用于指示所述目标提前指示信道的格式。
可选地，作为一个实施例，如图4所示出的，所述网络设备还包括处理模块22，表征所述目标PDCCH的格式的参数包括第一参数集合中的参数和第二参数集合中的参数，所述目标提前指示信道承载第二信息，所述第二信息 用于指示所述表征所述目标提前指示信道指示的PDCCH格式的第二参数集合中的参数；
其中，在所述收发模块21向终端设备发送目标提前指示信道之前，所述处理模块22用于：
根据所述第一参数集合中的参数和第二对应关系，确定表征所述目标提前指示信道的格式的参数，所述第二对应关系包括表征所述目标提前指示信道的格式的参数和所述第一参数集合中的参数的对应关系。
可选地，作为一个实施例，所述目标提前指示信道承载第三信息，所述第三信息用于指示所述目标PDCCH的格式。
可选地，作为一个实施例，所述第三信息包括下列信息中的至少一种：
所述目标PDCCH的DCI格式；
所述目标PDCCH的重复次数；
所述目标PDCCH的搜索空间的聚合等级；
所述目标PDCCH的控制资源集；以及，
所述目标PDCCH与所述目标提前指示信道之间的时间间隔；
其中，所述目标PDCCH与所述目标提前指示信道之间的时间间隔包括下列时间间隔的至少一种：
所述目标提前指示信道的结束时刻与所述目标PDCCH的开始时刻之间的时间间隔；以及
所述目标提前指示信道的开始时刻与所述目标PDCCH的开始时刻之间的时间间隔。
可选地，作为一个实施例，如图4中所示出的，所述网络设备还包括处理模块22；
其中，在所述收发模块21向终端设备发送目标提前指示信道之前，所述处理模块22用于：
在确定所述目标提前指示信道指示进行目标PDCCH监听时，确定所述目标提前指示信道的格式为第一格式；
在确定所述目标提前指示信道指示进行休眠时，确定所述目标提前指示信道的格式为第二格式。
根据本公开实施例的网络设备可以参照对应本公开实施例的方法200的流程，并且，该网络设备中的各个单元/模块和上述其他操作和/或功能分别为了实现方法200中的相应流程，为了简洁，在此不再赘述。
图5示出了根据本公开另一实施例的终端设备的结构示意图，如图5所示，终端设备100包括：至少一个处理器110、存储器120、至少一个网络接口130和用户接口140。终端设备100中的各个组件通过总线系统150耦合在一起。可理解，总线系统150用于实现这些组件之间的连接通信。总线系统150除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图5中将各种总线都标为总线系统150。
其中，用户接口140可以包括显示器、键盘或者点击设备(例如，鼠标，轨迹球(trackball)、触感板或者触摸屏等。
可以理解，本公开实施例中的存储器120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(Dynamic RAM，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，DDRSDRAM)、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(Synclink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DRRAM)。本公开实施例描述的系统和方法的存储器120旨在包括但不限于这些和任意其它适合类型的存储器。
在一些实施方式中，存储器120存储了如下的元素，可执行模块或者数据结构，或者他们的子集，或者他们的扩展集：操作系统121和应用程序122。
其中，操作系统121，包含各种系统程序，例如框架层、核心库层、驱动层等，用于实现各种基础业务以及处理基于硬件的任务。应用程序122， 包含各种应用程序，例如媒体播放器(Media Player)、浏览器(Browser)等，用于实现各种应用业务。实现本公开实施例方法的程序可以包含在应用程序122中。
在本公开实施例中，终端设备100还包括：存储在存储器上120并可在处理器110上运行的计算机程序，计算机程序被处理器110执行时实现上述方法100的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
上述本公开实施例揭示的方法可以应用于处理器110中，或者由处理器110实现。处理器110可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器110中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器110可以是通用处理器、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)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。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。结合本公开实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码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计算机可读存储介质中。该计算机可读存储介质位于存储器120，处理器110读取存储器120中的信息，结合其硬件完成上述方法的步骤。具体地，该计算机可读存储介质上存储有计算机程序，计算机程序被处理器110执行时实现如上述方法100中的方法实施例的各步骤。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场 可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
图6示出了根据本公开另一实施例的网络设备的结构示意图。如图6所示，网络设备200包括处理器210、收发机220、存储器230和总线接口。其中：
在本公开实施例中，网络设备200还包括：存储在存储器230上并可在所述处理器210上运行的计算机程序，所述计算机程序被所述处理器210执行时实现上述方法200中的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
在图6中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器210代表的一个或多个处理器和存储器230代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机220可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。
处理器210负责管理总线架构和通常的处理，存储器130可以存储处理器210在执行操作时所使用的数据。
本公开实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现上述方法100和200的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是 还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献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(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。

Claims (33)

  1. 一种无线通信的方法，应用于终端设备，包括：
    接收目标提前指示信道；
    在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
  2. 根据权利要求1所述的方法，其中，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH的搜索空间的聚合等级。
  3. 根据权利要求1或2所述的方法，其中，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。
  4. 根据权利要求3所述的方法，其中，所述根据所述目标提前指示信道确定所述目标PDCCH的格式，包括：
    根据所述目标提前指示信道的格式和第一对应关系，确定所述目标PDCCH的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。
  5. 根据权利要求4所述的方法，其中，所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系包括下列对应关系中的至少一种：
    所述目标提前指示信道的DCI格式与所述目标PDCCH的DCI格式的对应关系；
    所述目标提前指示信道的DCI格式与所述目标PDCCH的重复次数的对应关系；
    所述目标提前指示信道的DCI格式与所述目标PDCCH的搜索空间的聚合等级的对应关系；
    所述目标提前指示信道的DCI格式与所述目标PDCCH的控制资源集的对应关系；
    所述目标提前指示信道的重复次数与所述目标PDCCH的重复次数的对应关系；
    所述目标提前指示信道的重复次数与所述目标PDCCH的DCI格式的对应关系；
    所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的DCI格式的对应关系；
    所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的搜索空间的聚合等级的对应关系；
    所述目标提前指示信道的控制资源集与所述目标PDCCH的控制资源集的对应关系；
    所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的重复次数的对应关系；以及，
    所述目标提前指示信道的重复次数与所述目标PDCCH的搜索空间的聚合等级的对应关系。
  6. 根据权利要求3所述的方法，其中，用于表征所述目标提前指示信道的格式的不同参数之间具有预设对应关系。
  7. 根据权利要求3所述的方法，其中，所述目标提前指示信道承载第一信息，所述第一信息用于指示所述目标提前指示信道的格式。
  8. 根据权利要求3所述的方法，其中，表征所述目标PDCCH的格式的参数包括第一参数集合中的参数和第二参数集合中的参数；
    其中，所述根据所述目标提前指示信道确定所述目标PDCCH的格式包括：
    根据表征所述目标提前指示信道的格式的参数和第二对应关系，确定所述第一参数集合中的参数，所述第二对应关系包括表征所述目标提前指示信道的格式的参数和所述第一参数集合中的参数的对应关系；
    根据所述目标提前指示信道承载的第二信息，确定所述第二参数集合中的参数，所述第二信息用于指示所述第二参数集合中的参数。
  9. 根据权利要求1或2所述的方法，其中，所述根据所述目标提前指示 信道确定所述目标PDCCH的格式，包括：
    根据所述目标提前指示信道承载的第三信息，确定所述目标PDCCH的格式，所述第三信息用于指示所述目标PDCCH的格式。
  10. 根据权利要求9所述的方法，其中，所述第三信息包括下列信息中的至少一种：
    所述目标PDCCH的DCI格式；
    所述目标PDCCH的重复次数；
    所述目标PDCCH的搜索空间的聚合等级；
    所述目标PDCCH的控制资源集；以及，
    所述目标PDCCH与所述目标提前指示信道之间的时间间隔；
    其中，所述目标PDCCH与所述目标提前指示信道之间的时间间隔包括下列时间间隔的至少一种：
    所述目标提前指示信道的结束时刻与所述目标PDCCH的开始时刻之间的时间间隔；以及，
    所述目标提前指示信道的开始时刻与所述目标PDCCH的开始时刻之间的时间间隔。
  11. 根据权利要求1或2所述的方法，还包括：
    在确定所述目标提前指示信道的格式为第一格式时，确定所述目标提前指示信道指示进行目标PDCCH监听；
    在确定所述目标提前指示信道的格式为第二格式时，确定所述目标提前指示信道指示进行休眠。
  12. 一种无线通信的方法，应用于网络设备，包括：
    向终端设备发送目标提前指示信道，所述目标提前指示信道用于终端设备在确定所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
  13. 根据权利要求12所述的方法，其中，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH 的搜索空间的聚合等级。
  14. 根据权利要求12或13所述的方法，其中，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。
  15. 根据权利要求14所述的方法，其中，在向终端设备发送目标提前指示信道之前，所述方法还包括：
    根据所述目标PDCCH的格式和第一对应关系，确定所述目标提前指示信道的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。
  16. 根据权利要求15所述的方法，其中，所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系包括下列对应关系中的至少一种：
    所述目标提前指示信道的DCI格式与所述目标PDCCH的DCI格式的对应关系；
    所述目标提前指示信道的DCI格式与所述目标PDCCH的重复次数的对应关系；
    所述目标提前指示信道的DCI格式与所述目标PDCCH的搜索空间的聚合等级的对应关系；
    所述目标提前指示信道的DCI格式与所述目标PDCCH的控制资源集的对应关系；
    所述目标提前指示信道的重复次数与所述目标PDCCH的重复次数的对应关系；
    所述目标提前指示信道的重复次数与所述目标PDCCH的DCI格式的对应关系；
    所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的DCI格式的对应关系；
    所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的搜索空间的聚合等级的对应关系；
    所述目标提前指示信道的控制资源集与所述目标PDCCH的控制资源集的对应关系；
    所述目标提前指示信道的搜索空间的聚合等级与所述目标PDCCH的重复次数的对应关系；以及，
    所述目标提前指示信道的重复次数与所述目标PDCCH的搜索空间的聚合等级的对应关系。
  17. 根据权利要求14所述的方法，其中，用于表征提前指示信道的格式的不同参数之间具有预设对应关系。
  18. 根据权利要求14所述的方法，其中，所述目标提前指示信道承载第一信息，所述第一信息用于指示所述目标提前指示信道的格式。
  19. 根据权利要求14所述的方法，其中，表征所述目标PDCCH的格式的参数包括第一参数集合中的参数和第二参数集合中的参数，所述目标提前指示信道承载第二信息，所述第二信息用于指示所述表征所述目标提前指示信道指示的PDCCH格式的第二参数集合中的参数；
    其中，在向终端设备发送目标提前指示信道之前，所述方法还包括：
    根据所述第一参数集合中的参数和第二对应关系，确定表征所述目标提前指示信道的格式的参数，所述第二对应关系包括表征所述目标提前指示信道的格式的参数和所述第一参数集合中的参数的对应关系。
  20. 根据权利要求12或13所述的方法，其中，所述目标提前指示信道承载第三信息，所述第三信息用于指示所述目标PDCCH的格式。
  21. 根据权利要求20所述的方法，其中，所述第三信息包括下列信息中的至少一种：
    所述目标PDCCH的DCI格式；
    所述目标PDCCH的重复次数；
    所述目标PDCCH的搜索空间的聚合等级；
    所述目标PDCCH的控制资源集；以及，
    所述目标PDCCH与所述目标提前指示信道之间的时间间隔；
    其中，所述目标PDCCH与所述目标提前指示信道之间的时间间隔包括下列时间间隔的至少一种：
    所述目标提前指示信道的结束时刻与所述目标PDCCH的开始时刻之间的时间间隔；以及
    所述目标提前指示信道的开始时刻与所述目标PDCCH的开始时刻之间的时间间隔。
  22. 根据权利要求12或13所述的方法，其中，在向终端设备发送目标提前指示信道之前，所述方法还包括：
    在确定所述目标提前指示信道指示进行目标PDCCH监听时，确定所述目标提前指示信道的格式为第一格式；
    在确定所述目标提前指示信道指示进行休眠时，确定所述目标提前指示信道的格式为第二格式。
  23. 一种终端设备，包括：
    收发模块，用于接收目标提前指示信道；
    处理模块，用于在所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时，根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
  24. 根据权利要求23所述的终端设备，其中，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH的搜索空间的聚合等级。
  25. 根据权利要求23或24所述的终端设备，其中，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。
  26. 根据权利要求25所述的终端设备，其中，所述处理模块具体用于：
    根据所述目标提前指示信道的格式和第一对应关系，确定所述目标PDCCH的格式，所述第一对应关系包括所述目标提前指示信道的格式与所述目标PDCCH的格式之间的对应关系。
  27. 一种网络设备，包括：
    收发模块，用于向终端设备发送目标提前指示信道，所述目标提前指示信道用于终端设备在确定所述目标提前指示信道指示进行目标物理下行控制信道PDCCH监听时根据所述目标提前指示信道确定所述目标PDCCH的格式，所述目标PDCCH为与所述目标提前指示信道相关的PDCCH。
  28. 根据权利要求27所述的网络设备，其中，所述目标PDCCH的格式由以下参数中的至少一种表征：所述目标PDCCH的下行控制信息DCI格式、所述目标PDCCH占用的时频域资源、所述目标PDCCH的重复次数、所述目标PDCCH的搜索空间的聚合等级。
  29. 根据权利要求27或28所述的网络设备，其中，所述目标提前指示信道为多种提前指示信道中的一种，所述多种提前指示信道中不同的提前指示信道具有不同的格式，提前指示信道的格式由以下参数中的至少一种表征：提前指示信道的DCI格式、提前指示信道占用的时频域资源、提前指示信道的重复次数、提前指示信道的搜索空间的聚合等级。
  30. 一种终端设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至11中任一项所述的无线通信的方法的步骤。
  31. 一种网络设备，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求12-22中任一项所述的无线通信的方法的步骤。
  32. 一种计算机可读介质，其中，所述计算机可读介质上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求1至11中任一项所述的无线通信的方法的步骤。
  33. 一种计算机可读介质，其中，所述计算机可读介质上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求12至22中任一项所述的无线通信的方法的步骤。
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