WO2020143658A1 - Pdcch监测方法、装置、终端、基站和存储介质 - Google Patents

Pdcch监测方法、装置、终端、基站和存储介质 Download PDF

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Publication number
WO2020143658A1
WO2020143658A1 PCT/CN2020/070877 CN2020070877W WO2020143658A1 WO 2020143658 A1 WO2020143658 A1 WO 2020143658A1 CN 2020070877 W CN2020070877 W CN 2020070877W WO 2020143658 A1 WO2020143658 A1 WO 2020143658A1
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WIPO (PCT)
Prior art keywords
pdcch
monitoring
information
time
terminal
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Ceased
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PCT/CN2020/070877
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English (en)
French (fr)
Inventor
沈晓冬
潘学明
姜蕾
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to ES20738009T priority Critical patent/ES2987737T3/es
Priority to EP20738009.8A priority patent/EP3911070B1/en
Publication of WO2020143658A1 publication Critical patent/WO2020143658A1/zh
Priority to US17/370,189 priority patent/US12028866B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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 signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]

Definitions

  • Embodiments of the present disclosure relate to the field of communications, and in particular, to a PDCCH monitoring method, device, terminal, base station, and computer-readable storage medium.
  • the terminal or network equipment needs Do Channel Idle Estimation (Clear Channel Assess, CCA)/Extended Channel Idle Estimation (extended Clear Channel Assess, eCCA) to listen to the channel.
  • Do Channel Idle Estimation Clear Channel Assess, CCA
  • Extended Channel Idle Estimation extended Clear Channel Assess, eCCA
  • energy detection Energy Detection, ED
  • the receivable position of the terminal's downlink data depends on its downlink control channel configuration.
  • the unlicensed frequency band is shared by multiple technologies or multiple transmission nodes, this contention-based access method leads to uncertainty in channel availability time.
  • the base station needs to configure a search space for physical downlink control channel (Physical Downlink Control Channel, PDCCH) detection for each connected terminal.
  • the terminal performs blind detection of the PDCCH on a specific time-frequency resource block according to a certain period on the configured search space.
  • PDCCH Physical Downlink Control Channel
  • the base station needs to configure the terminal with high-frequency PDCCH monitoring, so that the base station can send data to the terminal in time after acquiring the channel.
  • high-frequency PDCCH monitoring will consume a large amount of power on the terminal.
  • Embodiments of the present disclosure provide a PDCCH monitoring method, device, terminal, base station, and storage medium to solve the problem that the terminal consumes a large amount of power of the terminal due to high-frequency blind PDCCH detection.
  • some embodiments of the present disclosure provide a PDCCH monitoring method, which is applied to the terminal side.
  • the method includes:
  • GC-PDCCH information Receiving group common physical downlink control channel GC-PDCCH information, where the GC-PDCCH information includes first indication information, and the first indication information is used to indicate a time-domain position of PDCCH monitoring;
  • some embodiments of the present disclosure provide a PDCCH monitoring method, which is applied to the base station side.
  • the method includes:
  • the GC-PDCCH information includes first indication information, and the first indication information is used to indicate a time domain position monitored by the PDCCH.
  • some embodiments of the present disclosure provide a PDCCH monitoring apparatus, which is applied to a terminal side, and the apparatus includes:
  • An information receiving module configured to receive group common physical downlink control channel GC-PDCCH information, where the GC-PDCCH information includes first indication information, and the first indication information is used to indicate the time domain position of PDCCH monitoring;
  • the monitoring module is configured to monitor the PDCCH according to the time domain position indicated by the first indication information.
  • some embodiments of the present disclosure provide a PDCCH monitoring apparatus, which is applied to a base station side.
  • the apparatus includes:
  • the information sending module is used to send GC-PDCCH information, the GC-PDCCH information includes first indication information, and the first indication information is used to indicate the time domain position of the PDCCH monitoring.
  • some embodiments of the present disclosure provide a terminal, including a processor, a memory, and a program stored on the memory and executable on the processor, when the program is executed by the processor Steps for implementing the PDCCH monitoring method.
  • some embodiments of the present disclosure provide a base station, including a processor, a memory, and a program stored on the memory and executable on the processor, when the program is executed by the processor Steps for implementing the PDCCH monitoring method.
  • some embodiments of the present disclosure provide a computer-readable storage medium storing a computer program on the computer-readable storage medium, the computer program is executed by a processor to implement the steps or implementation of the PDCCH monitoring method The steps of the PDCCH monitoring method.
  • the frequency of PDCCH monitoring is lower, thereby reducing the terminal’s Power consumption.
  • FIG. 1 shows a schematic flowchart of a PDCCH monitoring method according to an embodiment of the present disclosure.
  • FIG. 2 shows a schematic diagram of the principle of a PDCCH monitoring method according to another embodiment of the present disclosure.
  • FIG. 3 shows a schematic diagram of a PDCCH monitoring method according to still another embodiment of the present disclosure.
  • FIG. 4 shows a schematic diagram of a PDCCH monitoring method according to still another embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing some embodiments of the present disclosure.
  • FIG. 1 shows a schematic flowchart of a PDCCH monitoring method according to an embodiment of the present disclosure. This method is applied to the terminal side. The method includes:
  • the GC-PDCCH information includes first indication information, and the first indication information is used to indicate a time-domain position of PDCCH monitoring.
  • the GC-PDCCH information includes at least one piece of monitoring information unique to the terminal's PDCCH monitoring, and the single piece of monitoring information includes at least one time slot that needs to be monitored and the symbol position that needs to be monitored for each time slot.
  • S102 includes: performing PDCCH monitoring according to the time domain position indicated by the first indication information and the pre-configured time domain position.
  • radio resource control configures UE1 to perform PDCCH monitoring every two symbols, that is, the even-numbered symbol positions configured on slot#0,1 are used for PDCCH monitoring.
  • the GC-PDCCH information instructs UE1 to perform PDCCH monitoring at the 8th symbol position of slot#0, the 0th symbol position of slot#1, and the 9th symbol position of slot#1.
  • the PDCCH monitoring includes terminal-specific (UE specific) PDCCH monitoring and GC-PDCCH monitoring.
  • UE specific PDCCH monitoring monitoring is performed on the configured UE-specific PDCCH search space.
  • the frequency of PDCCH monitoring is low, thereby reducing power consumption of the terminal.
  • the terminal performs UE-specific PDCCH monitoring in the time domain position to ensure data transmission performance Under the conditions of the system, the number of PDCCH monitoring performed by the called UE and the uncalled UE can be reduced, and the frequency of PDCCH monitoring can be reduced.
  • the base station when the base station configures the search space of the GC-PDCCH for the terminal, when configuring the search space of the GC-PDCCH for the terminal, it is configured whether the terminal can use the GC-PDCCH to trigger the terminal-specific PDCCH monitoring.
  • the terminal-specific PDCCH monitoring there are three ways to trigger the terminal-specific PDCCH monitoring.
  • the protocol assumes or the base station is configured for the terminal trigger PDCCH monitoring specific to all terminals when GC-PDCCH is detected, stop PDCCH monitoring specific to all terminals, and perform GC-PDCCH monitoring when stopping PDCCH monitoring specific to all terminals ; If the GC-PDCCH is monitored, the monitoring of the PDCCH unique to all terminals is resumed.
  • the terminal blindly configures downlink control information (Downlink Control Information, DCI) according to the search period and search position of the search space of the GC-PDCCH.
  • DCI Downlink Control Information
  • the demodulation reference information DM-RS in the GC-PDCCH and determine whether the GC-PDCCH information is transmitted. If the DM-RS is detected, it indicates that the GC-PDCCH information has been sent, and if the DM-RS is not detected, the GC-PDCCH information has not been sent.
  • the protocol assumes or the base station is configured for the terminal when a GC-PDCCH is detected, a part of the terminal-specific PDCCH monitoring is triggered, then the part of the terminal-specific PDCCH monitoring is stopped, and the terminal-specific PDCCH other than the part of the monitoring is maintained Monitor, and perform GC-PDCCH monitoring when stopping some terminal-specific PDCCH monitoring; if GC-PDCCH is detected, resume some terminal-specific PDCCH monitoring.
  • the protocol assumes or the base station is configured for the terminal all or part of the terminal-specific PDCCH monitoring is not triggered when the GC-PDCCH is detected, then the terminal-specific PDCCH monitoring and the GC-PDCCH monitoring are simultaneously performed.
  • the terminal when the configured terminal can use GC-PDCCH to trigger the monitoring of the PDCCH specific to one or more terminals, and indicates the ID of the PDCCH search space specific to the one or more terminals, that is, the field is not 0, the terminal stops the The monitoring of the PDCCH specific to one or more terminals, the PDCCH specific to the terminal other than the PDCCH specific to the one or more terminals are normally monitored, and the GC-PDCCH is normally monitored.
  • the terminal When the terminal is configured not to use GC-PDCCH to trigger any terminal-specific PDCCH monitoring, that is, the terminal-specific PDCCH search space ID field is 0, the terminal simultaneously performs GC-PDCCH monitoring and terminal-specific PDCCH monitoring.
  • the GC-PDCCH information further includes second indication information, and the second indication information is used to indicate whether there is data transmission before the time when the GC-PDCCH information is sent.
  • the PDCCH monitoring method further includes:
  • PDCCH monitoring is performed on the data buffered before the time when the GC-PDCCH information is received.
  • the PDCCH monitoring method further includes:
  • PDCCH monitoring is performed on the data buffered after the start time of data transmission and before the time when the GC-PDCCH information is received.
  • GC-PDCCH information includes terminal-specific PDCCH monitoring at least one monitoring information
  • the single monitoring information includes one or more of the following combinations : End time of monitoring, end time of monitoring, at least one time slot to be monitored, and symbol position to be monitored for each time slot.
  • the single monitoring information indicates which time slots need to be monitored by PDCCH and which symbol positions in the slots need to be monitored by PDCCH.
  • the at least one monitoring information includes first monitoring information. Under the first monitoring information, for all at least one time slot that needs to be monitored, the symbol positions to be monitored in each time slot are the same. Unified indication that a kind of monitoring information is applied to all slots that need to be monitored, for example, slot#1,2,3,4 needs to be monitored, and unified indication is to perform PDCCH monitoring on the 0th symbol of slot#1,2,3,4.
  • the at least one monitoring information includes first monitoring information and second monitoring information, and at least one time slot to be monitored under the first monitoring information is different from at least one time slot to be monitored under the second monitoring information.
  • the symbol position to be monitored corresponding to at least one time slot to be monitored under the first monitoring information is the same as or different from the symbol position to be monitored corresponding to at least one time slot to be monitored under the second monitoring information.
  • a variety of monitoring information is applied to different slots. For example, you need to monitor slot#1,2,3,4, indicating that PDCCH monitoring is performed on the 8th symbol of slot#1, and the 0th in slot#2,3,4. PDCCH monitoring on each symbol.
  • terminal-specific PDCCH monitoring is performed according to the pre-configured time domain position . That is, for a period of time to be monitored, if there is no corresponding at least one time slot indicating the monitoring and the symbol position to be monitored in each time slot, then according to the pre-configured monitoring time slot and the symbol to be monitored in each time slot PDCCH monitoring specific to the terminal.
  • the monitoring information may include the start time of monitoring, excluding the end time of monitoring; or, the monitoring information may include the end time of monitoring, excluding the start time of monitoring.
  • the monitoring information is configured with a monitoring start time and a monitoring end time.
  • the monitoring start time and the monitoring end time form a time period, and the time period is divided into two time periods by GC-PDCCH monitoring.
  • the monitoring information includes the start time of monitoring, excluding the end time of monitoring; for the other time period, the monitoring information includes the start time of monitoring, excluding the end time of monitoring.
  • the pre-configured time domain position is a pre-configured time domain position for PDCCH monitoring.
  • the terminal-specific PDCCH monitoring is performed according to the pre-configured time domain position in the data buffered after the start time of the data transmission and before the transmission time.
  • terminal-specific PDCCH monitoring is performed according to the time domain position of the intersection.
  • the start time of the configured time period is after the sending time.
  • the terminal-specific PDCCH monitoring is performed according to the intersection of the pre-configured time domain position and the time domain position indicated in the first indication information.
  • the GC-PDCCH information includes a first time period, and the end time of the first time period is before the sending time; in the data buffered in the first time period, terminal-specific PDCCH monitoring is performed according to the time-domain position of the intersection.
  • the terminal-specific PDCCH monitoring is performed according to the intersection of the pre-configured time domain position and the time domain position indicated in the first indication information.
  • the GC-PDCCH information also includes a second time period, and the start time of the second time period is after the sending time; in the data buffered in the second time period, terminal-specific PDCCH monitoring is performed according to the time-domain position of the intersection.
  • Embodiment 2 takes the intersection of the pre-configured time domain position before the transmission time and the time domain position indicated in the first indication information, so as to reduce the PDCCH monitoring without scheduling data Frequency effect.
  • the GC-PDCCH information also includes the monitoring information of the GC-PDCCH monitoring.
  • the monitoring information includes one or a combination of the following: the start time of monitoring, the end time of monitoring, and at least the One slot and the symbol position to be monitored for each slot.
  • the GC-PDCCH monitoring is performed according to the search space of the GC-PDCCH.
  • the GC-PDCCH monitoring may be performed according to the monitoring information, or the monitoring information may be dynamically changed automatically to perform the GC-PDCCH monitoring according to the dynamically changed monitoring information until the end of the monitoring ends the GC-PDCCH monitoring.
  • the GC-PDCCH information indicates the end time of GC-PDCCH monitoring, and the PDCCH monitoring is ended at the end time, then avoid monitoring all the time, that is, monitoring when PDCCH monitoring is needed, avoiding useless PDCCH monitoring, and PDCCH monitoring can also be reduced Times, thereby reducing the power consumption of the terminal.
  • the end time of the GC-PDCCH monitoring is the end time of the data transmission or the time before the end time of the data transmission.
  • the GC-PDCCH information further includes the uplink and downlink configuration of at least one time slot within the channel occupation time (Channel Occupancy Time, COT).
  • all symbols of the slot are downlink; when the slot identifier is the second predetermined identifier, all symbols of the slot are upstream; when the slot identifier is the first
  • all symbols of the time slot have both uplink and downlink. For example, D represents that all the symbols of the slot are downstream, U represents that all the symbols of the slot are upstream, and H represents that the symbols of the slot have both upstream and downstream.
  • the PDCCH monitoring method also includes:
  • terminal-specific PDCCH monitoring and GC-PDCCH monitoring are not performed.
  • the terminal does not perform UE-specific PDCCH and GC-PDCCH monitoring on the U time slot indicated that all symbols are uplink.
  • the scheduling data is rate-matched according to the downlink control information DCI indication or the monitored GC-PDCCH.
  • the GC-PDCCH information further includes information indicating whether the semi-static authorized resources share the COT;
  • the PDCCH monitoring method further includes:
  • a short-time channel monitoring is performed before the configured semi-static authorized resources, that is, Cat2 LBT; if the terminal receives the instruction indicating that the configured semi-static authorized resources are not shareable
  • long-term channel monitoring is performed before configuring semi-static authorized resources, that is, Cat4 LBT.
  • An embodiment of the present disclosure provides a PDCCH monitoring method, which is applied to a base station side.
  • the method includes:
  • the GC-PDCCH information is sent, and the GC-PDCCH information includes first indication information, and the first indication information is used to indicate a time domain position monitored by the PDCCH.
  • GC-PDCCH information is sent to the terminal, and PDCCH monitoring includes terminal-specific PDCCH monitoring and/or GC-PDCCH monitoring.
  • the time domain position for PDCCH monitoring indicated by the first indication information is used to take an intersection with the pre-configured time domain position for PDCCH monitoring, so that the terminal performs PDCCH monitoring at the time domain position of the intersection.
  • the time domain position indicated by the first indication information for PDCCH monitoring includes:
  • At least one time slot for PDCCH monitoring and the symbol position for PDCCH monitoring in each time slot At least one time slot for PDCCH monitoring and the symbol position for PDCCH monitoring in each time slot. That is, the first indication information indicates which slots need to be monitored by PDCCH and which symbol positions in the slot need to be monitored by PDCCH.
  • the frequency of PDCCH monitoring is low, thereby reducing power consumption of the terminal.
  • the GC-PDCCH information further includes one or more combinations of the following information:
  • the start time of data transmission by the terminal which is a certain time of COT.
  • (1) Indicate the effective start time of UE-specific PDCCH monitoring information (the start time of multiplexable data transmission), note that the start time may be before the GC-PDCCH.
  • multiple monitoring information are applied to different slots.
  • UE-specific PDCCH monitoring information there may be one or more UE-specific PDCCH monitoring information.
  • the single monitoring information does not include indication of which slot slots need to be monitored by PDCCH and indication of which symbol positions within the slots need to be monitored by PDCCH, then UE-specific PDCCH monitoring is performed according to the pre-configured time domain position.
  • the single monitoring information includes indicating which time slots need to be monitored by PDCCH and/or indicating which symbol positions within the slots need to be monitored by PDCCH, then the intersection of the time domain position indicated in the monitoring information and the pre-configured time domain position is taken for UE specific PDCCH monitoring.
  • D represents that all symbols of the slot are downstream
  • U represents that all symbols of the slot are upstream
  • H represents that the symbols of the slot have both upstream and downstream.
  • time to stop GC-PDCCH monitoring where the time to stop GC-PDCCH monitoring may be the time before the end of data transmission, or the time to stop GC-PDCCH monitoring may be the end of data transmission .
  • the PDCCH monitoring method further includes:
  • the information configured when configuring the search space includes one or a combination of the following: search period, search position, new DCI scrambled by the detected new RNTI (such as Power Saving-RNTI) Format, aggregation level, and number of blind tests.
  • new RNTI such as Power Saving-RNTI
  • the GC-PDCCH search space can be configured before sending the GC-PDCCH information.
  • the search space of the GC-PDCCH it is also configured whether to use the GC-PDCCH to trigger the terminal-specific PDCCH monitoring.
  • the terminal stops monitoring of at least one terminal-specific PDCCH, and performs GC-PDCCH monitoring when stopping monitoring of at least one terminal-specific PDCCH; During GC-PDCCH, at least one terminal-specific PDCCH monitoring is resumed.
  • the terminal For another example, if the terminal is configured not to use GC-PDCCH to trigger terminal-specific PDCCH monitoring, then the terminal simultaneously performs terminal-specific PDCCH monitoring and GC-PDCCH monitoring.
  • the PDCCH monitoring method further includes:
  • the configuration uses GC-PDCCH to trigger terminal-specific PDCCH monitoring, determine the sending time of GC-PDCCH information.
  • the transmission time can be freely selected as required.
  • the transmission time of GC-PDCCH information includes: the first transmission position after acquiring the channel or the terminal enters a discontinuous reception state (Discontinuous Reception, DRX on ) The first sending position; where the sending position is the symbol position used to send GC-PDCCH information in the configured time slot.
  • a discontinuous reception state Discontinuous Reception, DRX on
  • the twelfth symbol configured in the time slot sends GC-PDCCH information
  • the base station acquires the channel as the third symbol in the time slot
  • the GC-PDCCH information is sent when the twelfth symbol is first waited for.
  • the GC-PDCCH information is sent at the 0th symbol of the time slot, the terminal enters the discontinuous reception state DRX is on the 5th symbol, and then the GC-PDCCH is sent when the 0th symbol of the next time slot information.
  • the base station configures the terminal to monitor the GC-PDCCH at the last symbol of each time slot, and triggers UE-specific PDCCH monitoring when the configuration detects GC-PDCCH.
  • the base station configures for UE1, UE2, and UE3: UE-specific PDCCH monitoring every 2 symbols.
  • UE1 configures a UE-specific PDCCH monitoring period of every two symbols, and UE1, UE2, and UE3 perform DM-RS detection on the blind detection candidate positions of GC-PDCCH configured after DRX. If it is judged that DM-RS exists, GC-PDCCH information is detected.
  • the base station BS acquires the channel at the 8th symbol of Slot#0 and schedules the data of UE1, and at the same time sends the GC-PDCCH information at the 13th symbol.
  • the GC-PDCCH information is sent at the first position where the GC-PDCCH information can be sent after acquiring the channel.
  • the GC-PDCCH information includes information indicating that there is data transmission before sending the GC-PDCCH information, and the UE-specific PDCCH monitoring format is changed to a time slot after the time slot where GC-PDCCH information is sent (ie, Slot#0)
  • the 0th symbol is carried out, the effective time of UE specific PDCCH monitoring ends at the last symbol of Slot#3, that is, the format of UE specific PDCCH monitoring is changed to the 0th symbol in Slot#1, Slot#2 and Slot#3 get on.
  • UE2 is in DRX, and the base station also needs to send GC-PDCCH information to UE2 for indication, indicating that the GC-PDCCH information of UE2 is consistent with the content of GC-PDCCH information indicating UE1.
  • UE1 After receiving the GC-PDCCH information on Slot#0, UE1 performs UE specific monitoring in the current Slot, and UE1 detects scheduling data and receives it. On Slot#1,2,3, the pre-configured UE-specific PDCCH format and the UE-specific PDCCH format indicated by GC-PDCCH information are combined to perform UE-specific PDCCH monitoring.
  • the pre-configured UE specific PDCCH monitoring format is: 0th symbol, 2nd symbol, 4th symbol, 6th symbol, 8th symbol, 10th symbol in Slot#1
  • Blind detection is performed on the symbol and the 12th symbol
  • the UE-specific PDCCH monitoring format indicated by the GC-PDCCH information is: perform blind detection on the 0th symbol on Slot#1.
  • the terminal performs UE-specific PDCCH monitoring at the symbol position. For UE3, UE1 and UE3 have the same UE specific PDCCH monitoring mode.
  • the base station configures the terminal to perform GC-PDCCH monitoring at the last symbol of each time slot, and triggers UE-specific PDCCH monitoring when the configuration detects GC-PDCCH.
  • the base station configures for UE1, UE2, and UE3: UE-specific PDCCH monitoring every 2 symbols.
  • UE1 configures a PDCCH detection period of every 2 symbols, and after the BS obtains the channel, performs PDCCH transmission at the configured position to schedule UE1 data for transmission. Therefore, UE1, UE2, and UE3 perform DM-RS detection at the blind detection position of the GC-PDCCH configured after DRX, and perform GC-PDCCH detection if it is determined that the DM-RS exists.
  • the base station acquires the channel at the 8th symbol of Slot#0 and schedules the data of UE1, and simultaneously transmits GC-PDCCH information at the 13th symbol.
  • the GC-PDCCH information indicates that the UE-specific PDCCH monitoring information on different slots is different, that is, the UE-specific PDCCH monitoring is performed on the 8th symbol of Slot#0, and the UE is performed on the 0th symbol on Slot#1,2,3 Specific PDCCH monitoring.
  • UE2 since UE2 is DRX at this time, it also needs to send a GC-PDCCH for indication, and the indication content is consistent with the above.
  • the pre-configured UE-specific PDCCH format and the format indicated by GC-PDCCH are combined to perform blind detection of UE-specific PDCCH, that is, only the pre-configured and GC-PDCCH Instruct the terminal to perform blind inspection only when blind inspection is required.
  • some embodiments of the present disclosure provide a PDCCH monitoring device, which is applied to the terminal side.
  • the device includes: an information receiving module, an intersection intersection module, and a monitoring module.
  • the information receiving module is configured to receive group common physical downlink control channel GC-PDCCH information.
  • the GC-PDCCH information includes first indication information, and the first indication information is used to indicate the time domain position of the PDCCH monitoring.
  • the monitoring module is configured to perform PDCCH monitoring according to the time domain position indicated by the first indication information.
  • some embodiments of the present disclosure provide a PDCCH monitoring device, which is applied to the base station side, and the device includes:
  • the information sending module is used to send GC-PDCCH information.
  • the GC-PDCCH information includes first indication information, and the first indication information is used to indicate the time domain position of the PDCCH monitoring.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal for implementing some embodiments of the present disclosure.
  • the terminal 200 includes but is not limited to: a radio frequency unit 201, a network module 202, an audio output unit 203, an input unit 204, a sensor 205, a display unit 206, a user input unit 207, an interface unit 208, a memory 209, The processor 210, the power supply 211 and other components.
  • a radio frequency unit 201 a radio frequency unit 201
  • a network module 202 an audio output unit 203
  • an input unit 204 e.g., a microphone
  • a sensor 205 e.g., a sensor 205
  • a display unit 206 e.g., a display unit 206
  • a user input unit 207 e.g., a user input unit
  • an interface unit 208 e.g., a memory 209
  • the processor 210 e.g., the structure of the mobile terminal shown in FIG. 5 does not constitute a limitation on the mobile terminal, and the mobile terminal may include more or less components than shown,
  • the radio frequency unit 201 is configured to receive group common physical downlink control channel GC-PDCCH information, where the GC-PDCCH information includes first indication information, and the first indication information is used to indicate a time domain position of PDCCH monitoring ;
  • the processor 210 is configured to perform PDCCH monitoring according to the time domain position indicated by the first indication information.
  • the frequency of PDCCH monitoring is lower, thereby reducing the terminal’s Power consumption.
  • the radio frequency unit 201 may be used to receive and send signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 210; To send uplink data to the base station.
  • the radio frequency unit 201 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 201 can also communicate with the network and other devices through a wireless communication system.
  • the mobile terminal provides users with wireless broadband Internet access through the network module 202, such as helping users send and receive e-mail, browse web pages, and access streaming media.
  • the audio output unit 203 may convert the audio data received by the radio frequency unit 201 or the network module 202 or stored in the memory 209 into an audio signal and output as sound. Moreover, the audio output unit 203 may also provide audio output related to a specific function performed by the terminal 200 (eg, call signal reception sound, message reception sound, etc.).
  • the audio output unit 203 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 204 is used to receive audio or video signals.
  • the input unit 204 may include a graphics processor (Graphics, Processing, Unit, GPU) 2041 and a microphone 2042.
  • the graphics processor 2041 pairs the static image or video image obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode
  • the data is processed.
  • the processed image frame may be displayed on the display unit 206.
  • the image frame processed by the graphics processor 2041 may be stored in the memory 209 (or other storage medium) or sent via the radio frequency unit 201 or the network module 202.
  • the microphone 2042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 201 in the case of a telephone call mode and output.
  • the terminal 200 further includes at least one sensor 205, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 2061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 2061 and/or when the terminal 200 moves to the ear Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when at rest, and can be used to identify the posture of mobile terminals (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 205 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc. will not be repeated here.
  • the display unit 206 is used to display information input by the user or information provided to the user.
  • the display unit 206 may include a display panel 2061, and the display panel 2061 may be configured in the form of a liquid crystal display (Liquid Crystal) (LCD), an organic light emitting diode (Organic Light-Emitting Diode, OLED), or the like.
  • LCD Liquid Crystal
  • OLED Organic Light-Emitting Diode
  • the user input unit 207 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the mobile terminal.
  • the user input unit 207 includes a touch panel 2071 and other input devices 2072.
  • the touch panel 2071 also known as a touch screen, can collect user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc. on or near the touch panel 2071. operating).
  • the touch panel 2071 may include a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into contact coordinates, and then sends To the processor 210, the command sent by the processor 210 is received and executed.
  • the touch panel 2071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 207 may also include other input devices 2072.
  • other input devices 2072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, and details are not described herein again.
  • the touch panel 2071 may be overlaid on the display panel 2061.
  • the touch panel 2071 detects a touch operation on or near it, it is transmitted to the processor 210 to determine the type of touch event, and then the processor 210 according to the touch The type of event provides corresponding visual output on the display panel 2061.
  • the touch panel 2071 and the display panel 2061 are implemented as two independent components to realize the input and output functions of the mobile terminal, in some embodiments, the touch panel 2071 and the display panel 2061 may be integrated
  • the input and output functions of the mobile terminal are not specifically limited here.
  • the interface unit 208 is an interface for connecting an external device to the terminal 200.
  • the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 208 may be used to receive input from external devices (eg, data information, power, etc.) and transmit the received input to one or more elements within the terminal 200 or may be used between the terminal 200 and external devices Transfer data between.
  • the memory 209 can be used to store software programs and various data.
  • the memory 209 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; the storage data area may store Data created by the use of mobile phones (such as audio data, phone books, etc.), etc.
  • the memory 209 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 210 is the control center of the mobile terminal, uses various interfaces and lines to connect the various parts of the entire mobile terminal, runs or executes the software programs and/or modules stored in the memory 209, and calls the data stored in the memory 209 , Perform various functions and process data of the mobile terminal, so as to monitor the mobile terminal as a whole.
  • the processor 210 may include one or more processing units; optionally, the processor 210 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs, etc.
  • the modulation processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 210.
  • the terminal 200 may further include a power supply 211 (such as a battery) that supplies power to various components.
  • a power supply 211 may be logically connected to the processor 210 through a power management system, so as to implement management of charging, discharging, and power consumption management through the power management system And other functions.
  • the terminal 200 includes some function modules not shown, which will not be repeated here.
  • Some embodiments of the present disclosure provide a terminal, including a processor, a memory, and a program stored on the memory and executable on the processor, and the program is implemented as described above when executed by the processor. Steps of PDCCH monitoring method.
  • Some embodiments of the present disclosure provide a base station, including a processor, a memory, and a program stored on the memory and executable on the processor, and the program is implemented as described above when executed by the processor Steps of PDCCH monitoring method.
  • Some embodiments of the present disclosure provide a computer-readable storage medium storing a computer program on the computer-readable storage medium, which when executed by a processor implements the steps of the PDCCH monitoring method as described above or is implemented as above The steps of the PDCCH monitoring method described above.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the methods in the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware, but in many cases the former is better Implementation.
  • the technical solution of the present disclosure can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk,
  • the CD-ROM includes several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • 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, they may be located in one place or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present disclosure essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several 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 the embodiments of the present disclosure.
  • the foregoing storage media include various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
  • each component or each step can be decomposed and/or recombined.
  • These decompositions and/or recombinations should be regarded as equivalent solutions of the present disclosure.
  • the steps for performing the above-mentioned series of processing can naturally be executed in chronological order in the order described, but it does not necessarily need to be executed in chronological order, and some steps can be executed in parallel or independently of each other.
  • the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSP Device, DSPD), programmable Logic Device (Programmable Logic Device, PLD), Field Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, others for performing the functions described in this disclosure Electronic unit or its combination.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing device
  • DPD digital signal processing device
  • PLD programmable Logic Device
  • Field Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory may be implemented in the processor or external to the processor.
  • the purpose of the present disclosure can also be achieved by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the object of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure. Obviously, the storage medium may be any known storage medium or any storage medium developed in the future.
  • each component or each step can be decomposed and/or recombined. These decompositions and/or recombinations should be regarded as equivalent solutions of the present disclosure.
  • the steps for performing the above-mentioned series of processing may naturally be performed in chronological order in the order described, but it is not necessary to be performed in chronological order. Certain steps can be performed in parallel or independently of each other.

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Abstract

本公开的一些实施例公开了一种PDCCH监测方法、装置、终端、基站和存储介质，所述的PDCCH监测方法应用于终端侧，所述的PDCCH监测方法包括：接收群组公共物理下行链路控制信道GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置；根据所述第一指示信息指示的所述时域位置进行所述PDCCH监测。

Description

PDCCH监测方法、装置、终端、基站和存储介质
相关申请的交叉引用
本申请主张在2019年1月11日在中国提交的中国专利申请号No.201910028818.7的优先权，其全部内容通过引用包含于此。
技术领域
本公开实施例涉及通信领域，尤其涉及一种PDCCH监测方法、装置、终端、基站和计算机可读存储介质。
背景技术
第四代移动通信技术(4-Generation，4G)/第五代移动通信技术(5-Generation，5G)通信系统运行在非授权频段(unlicensed spectrum)时，在发送信息之前，终端或网络设备需要做信道空闲估计(Clear Channel Assess，CCA)/扩展信道空闲估计(extended Clear Channel Assess，eCCA)来侦听信道。其中，在侦听信道时进行能量检测(Energy Detection，ED)，当能量低于一定门限时，信道被判断为空，方可开始传输。对于以调度为主的同步通信系统，终端的下行数据的可接收位置取决于它的下行控制信道配置。但是，由于非授权频段是多种技术或多个传输节点共享，因此这种基于竞争的接入方式导致信道可用时间的不确定性。
基站需要给各个连接终端配置物理下行控制信道(Physical Downlink Control Channel，PDCCH)检测的搜索空间。终端在配置的搜索空间上按照一定周期在特定时频资源块进行PDCCH的盲检。
由于非授权频段上获取信道的不确定性，而且，在非授权频段运行的无线保真(Wireless-Fidelity，Wi-Fi)系统作为一个异步系统能够以微秒级的颗粒度抢占信道。因此，基站需要给终端配置高频率的PDCCH监测，这样基站获取信道后才能及时发送数据给终端。但是高频率的PDCCH监测会导致消耗终端大量的功率。
发明内容
本公开实施例提供一种PDCCH监测方法、装置、终端、基站和存储介质，以解决终端进行高频率的PDCCH盲检导致消耗终端大量功率的问题。
第一方面，本公开的一些实施例提供了一种PDCCH监测方法，应用于终端侧，所述的方法包括：
接收群组公共物理下行链路控制信道GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置；
根据所述第一指示信息指示的所述时域位置进行所述PDCCH监测。
第二方面，本公开的一些实施例提供了一种PDCCH监测方法，应用于基站侧，所述的方法包括：
发送GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置。
第三方面，本公开的一些实施例提供了一种PDCCH监测装置，应用于终端侧，所述的装置包括：
信息接收模块，用于接收群组公共物理下行链路控制信道GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置；
监测模块，用于根据所述第一指示信息指示的所述时域位置进行所述PDCCH监测。
第四方面，本公开的一些实施例提供了一种PDCCH监测装置，应用于基站侧，所述的装置包括：
信息发送模块，用于发送GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置。
第五方面，本公开的一些实施例提供了一种终端，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程序，所述程序被所述处理器执行时实现所述的PDCCH监测方法的步骤。
第六方面，本公开的一些实施例提供了一种基站，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程序，所述程序被所述处 理器执行时实现所述的PDCCH监测方法的步骤。
第七方面，本公开的一些实施例提供了计算机可读存储介质，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所述的PDCCH监测方法的步骤或者实现所述的PDCCH监测方法的步骤。
在本公开的一些实施例中，通过按照GC-PDCCH信息指示的时域位置进行PDCCH监测，由于GC-PDCCH信息指示的时域位置比较稀疏，PDCCH监测的频率就较低，从而降低了终端的功耗。
附图说明
从下面结合附图对本公开的具体实施方式的描述中可以更好地理解本公开其中，相同或相似的附图标记表示相同或相似的特征。
图1示出了本公开的一个实施例的PDCCH监测方法的流程示意图。
图2示出了本公开的另一个实施例的PDCCH监测方法的原理示意图。
图3示出了本公开的又一个实施例的PDCCH监测方法的原理示意图。
图4示出了本公开的再一个实施例的PDCCH监测方法的原理示意图。
图5为实现本公开的一些实施例的终端的硬件结构示意图。
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。
图1示出了本公开的一个实施例的PDCCH监测方法的流程示意图。该方法应用于终端侧，该方法包括：
S101，接收群组公共物理下行链路控制信道(Group Common Physical Downlink Control Channel，GC-PDCCH)信息，GC-PDCCH信息包括第一指示信息，第一指示信息用于指示PDCCH监测的时域位置。
作为一个示例，GC-PDCCH信息包括终端特有的PDCCH监测的至少一个监测信息，单个监测信息包括需要监测的至少一个时隙和各时隙的需要监 测的符号位置。
S102，根据第一指示信息指示的时域位置进行PDCCH监测。
作为一个示例，S102包括：根据第一指示信息指示的时域位置以及预先配置的时域位置进行PDCCH监测。
比如，取第一指示信息指示的时域位置以及预先配置的时域位置的交集，根据取交集得到的时域位置进行PDCCH监测。如图2所示，无线资源控制(Radio Resource Control，RRC)配置UE1每两个符号进行一次PDCCH监测，即配置在slot#0,1上的第偶数个符号位置进行PDCCH监测。GC-PDCCH信息指示UE1在slot#0的第8个符号位置、slot#1的第0个符号位置和slot#1的第9个符号位置进行PDCCH监测。取RRC配置的进行PDCCH监测的符号位置和GC-PDCCH信息指示的进行PDCCH监测的符号位置的交集，即slot#0的第8个符号位置、slot#1的第0个符号位置；在slot#0的第8个符号位置、slot#1的第0个符号位置进行PDCCH监测。
其中，PDCCH监测包括终端特有的(UE specific)PDCCH的监测和GC-PDCCH监测。在进行UE specific PDCCH监测时，在配置的UE specific PDCCH的搜索空间(search space)上进行监测。
在本公开的一些实施例中，由于GC-PDCCH信息指示的时域位置比较稀疏，PDCCH监测的频率就较低，从而降低了终端的功耗。
进一步地，如果取指示的PDCCH监测的时域位置以及预先配置的PDCCH监测的时域位置的交集，在该交集上进行PDCCH监测。因此，只有预先配置在时域位置进行UE specific PDCCH监测，而且GC-PDCCH信息也指示在该时域位置进行UE specific PDCCH监测，终端才在该时域位置进行UE specific PDCCH监测，保证数据传输性能的条件下能够减少被调用的UE和未被调用的UE进行PDCCH监测的次数，降低了PDCCH监测频率。
在本公开的一个实施例中，基站为终端配置GC-PDCCH的搜索空间，为终端配置GC-PDCCH的搜索空间时，配置终端是否可以使用GC-PDCCH来触发终端特有的PDCCH的监测。其中，有三种方式触发终端特有的PDCCH的监测。
方式一
如果协议假设或者基站为终端配置：在监测到GC-PDCCH时触发所有终端特有的PDCCH监测，则停止所有终端特有的PDCCH监测，并且在停止所有终端特有的PDCCH的监测时进行GC-PDCCH的监测；若监测到GC-PDCCH，则恢复所有终端特有的PDCCH的监测。
终端只根据GC-PDCCH的搜索空间的搜索周期和搜索位置来盲检配置下行控制信息(Downlink Control Information，DCI)。
而且，可以检测GC-PDCCH中的解调参考信息DM-RS，判断GC-PDCCH信息是否发送。如果检测到DM-RS，说明GC-PDCCH信息已发送，如果未检测到DM-RS，说明GC-PDCCH信息未发送。
方式二
如果协议假设或者基站为终端配置：在监测到GC-PDCCH时触发部分的终端特有的PDCCH监测，则停止该部分的终端特有的PDCCH监测，维持除该部分的监测之外的其他终端特有的PDCCH监测，并且在停止部分的终端特有的PDCCH监测时进行GC-PDCCH的监测；若监测到GC-PDCCH，则恢复部分的终端特有的PDCCH监测。
方式三
如果协议假设或者基站为终端配置：在监测到GC-PDCCH时不触发所有或部分的终端特有的PDCCH监测，则同时进行终端特有的PDCCH的监测和GC-PDCCH的监测。
比如，当配置终端可以使用GC-PDCCH来触发其中一个或多个终端特有的PDCCH的监测，且指示该一个或多个终端特有的PDCCH搜索空间的ID，即该域不为0，终端停止该一个或多个终端特有的PDCCH的监测，除该一个或多个终端特有的PDCCH之外的终端特有的PDCCH正常监测，并且GC-PDCCH正常监测。
当配置终端不使用GC-PDCCH来触发任何终端特有的PDCCH的监测，即终端特有的PDCCH搜索空间的ID的域为0，则终端同时GC-PDCCH监测和终端特有的PDCCH的监测。
在本公开的一个实施例中，GC-PDCCH信息还包括第二指示信息，第二指示信息用于指示在GC-PDCCH信息发送时刻之前是否有数据传输。
如果在GC-PDCCH信息发送时刻之前有数据传输，该PDCCH监测方法还包括：
在接收到GC-PDCCH信息的时刻之前所缓存的数据中进行PDCCH监测。
进一步地，如果GC-PDCCH信息还包括数据传输的开始时刻；该PDCCH监测方法还包括：
在数据传输的开始时刻之后以及在接收到GC-PDCCH信息的时刻之前所缓存的数据中进行PDCCH监测。
在本公开的一个实施例中，如果上述中的PDCCH监测包括终端特有的PDCCH监测，GC-PDCCH信息包括终端特有的PDCCH监测的至少一个监测信息，单个监测信息包括以下之一或多种的组合：监测的结束时刻、监测的结束时刻、需要监测的至少一个时隙、各时隙的需要监测的符号位置。
单个监测信息中指示哪些时隙slot需要进行PDCCH监测和指示slot内哪些符号位置需要进行PDCCH监测。
其中，至少一个监测信息包括第一监测信息，在第一监测信息下，对于全部需要监测的至少一个时隙，各时隙的需要监测的符号位置相同。统一指示一种监测信息应用于所有需要监测的slot，比如，需要监测slot#1,2,3,4，统一指示在slot#1,2,3,4的第0个符号上进行PDCCH监测。
或者，至少一个监测信息包括第一监测信息和第二监测信息，在第一监测信息下的需要监测的至少一个时隙与在第二监测信息下的需要监测的至少一个时隙不相同。在第一监测信息下的需要监测的至少一个时隙所对应的需要监测的符号位置与在第二监测信息下的需要监测的至少一个时隙所对应的需要监测的符号位置相同或不相同。多种监测信息应用于不同的slot，比如，需要监测slot#1,2,3,4，指示在slot#1的第8个符号上进行PDCCH监测，在slot#2,3,4的第0个符号上进行PDCCH监测。
如果监测信息包括监测的结束时刻和/或监测的结束时刻，但不包括监测的至少一个时隙以及各时隙的需要监测的符号位置，则根据预先配置的时域位置进行终端特有的PDCCH监测。即，对于一段待监测的时间，如果该时间段没有对应指示监测的至少一个时隙以及各时隙的需要监测的符号位置，那么根据预先配置的监测时隙以及各时隙的需要监测的符号位置进行终端特 有的PDCCH监测。
需要说明的是，监测信息可以包括监测的开始时刻，不包括监测的结束时刻；或者，监测信息可以包括监测的结束时刻，不包括监测的开始时刻。
比如，监测信息配置了一个监测的开始时刻和一个监测的结束时刻，该监测的开始时刻和监测的结束时刻形成一个时间段，该时间段被GC-PDCCH监测分成两个时间段。对于其中一个时间段，监测信息包括监测的开始时刻，不包括监测的结束时刻；对于其中另一个时间段，监测信息包括监测的开始时刻，不包括监测的结束时刻。
如果在GC-PDCCH信息发送时刻之前有数据传输，有两种方式来进行GC-PDCCH监测。
方式一
1、在GC-PDCCH信息发送时刻之前缓存的数据中，根据预配置时域位置进行终端特有的PDCCH的监测。该预配置时域位置是预先配置的用于进行PDCCH监测的时域位置。
进一步地，如果GC-PDCCH信息还包括进行数据传输的开始时刻，那么，在数据传输的开始时刻之后以及发送时刻之前缓存的数据中，根据预配置时域位置进行终端特有的PDCCH的监测。
2、在发送时刻之后缓存的数据中，在配置的时间段内缓存的数据中，根据取交集的时域位置进行终端特有的PDCCH的监测。其中，配置的时间段的起始时刻在发送时刻之后。
方式二
1、在GC-PDCCH信息的发送时刻之前缓存的数据中，根据预配置时域位置与第一指示信息中指示的时域位置的交集，进行终端特有的PDCCH的监测。
GC-PDCCH信息包括第一时间段，第一时间段的结束时刻在发送时刻之前；在第一时间段内缓存的数据中，根据取交集的时域位置进行终端特有的PDCCH监测。
2、在GC-PDCCH信息的发送时刻之后缓存的数据中，根据预配置时域位置与第一指示信息中指示的时域位置的交集，进行终端特有的PDCCH的 监测。
GC-PDCCH信息还包括第二时间段，第二时间段的起始时刻在发送时刻之后；在第二时间段内缓存的数据中，根据取交集的时域位置进行终端特有的PDCCH监测。
实施方式二与实施方式一的区别在于，实施方式二对发送时刻之前的预配置时域位置与第一指示信息中指示的时域位置取交集，实现了在没有调度数据的情况下降低PDCCH监测频率的效果。
如果PDCCH监测包括GC-PDCCH监测，则GC-PDCCH信息还包括GC-PDCCH监测的监测信息，监测信息包括以下之一或多种的组合：监测的开始时刻、监测的结束时刻、需要监测的至少一个时隙以及各时隙的需要监测的符号位置。
其中根据GC-PDCCH的搜索空间进行GC-PDCCH监测。
可以按照该监测信息进行GC-PDCCH监测，或者自动动态改变该监测信息，以按照动态改变后的监测信息进行GC-PDCCH监测，直到监测的结束时刻结束GC-PDCCH监测。
如果GC-PDCCH信息指示GC-PDCCH监测的结束时刻，在该结束时刻结束进行PDCCH监测，那么避免一直监测，即在需要PDCCH监测时进行监测，避免了进行无用的PDCCH监测，也可以降低PDCCH监测次数，从而降低了终端的功耗。
如果GC-PDCCH信息发送时刻之前有数据传输，GC-PDCCH信息还包括数据传输的结束时刻，则GC-PDCCH监测的结束时刻为数据传输的结束时刻或者在数据传输的结束时刻之前的时刻。
如果GC-PDCCH信息还包括信道占用时间(Channel Occupancy Time，COT)内至少一个时隙的上下行配置。
其中，当时隙的标识为第一预定标识时，该时隙的所有符号均为下行；当时隙的标识为第二预定标识时，该时隙的所有符号均为上行；当时隙的标识为第三预定标识时，该时隙的所有符号同时有上行和下行。比如，D代表slot的所有符号为下行，U代表slot的所有符号为上行，H表示slot的符号同时有上行和下行。
PDCCH监测方法还包括：
对于COT内的所有符号均为上行的时隙，不进行终端特有的PDCCH监测和GC-PDCCH监测。比如，终端在指示为所有符号均为上行的U时隙上不进行UE specific PDCCH和GC-PDCCH的监测。
在进行终端特有的PDCCH监测并解码调度数据时，若监测到终端特有的PDCCH，则根据下行控制信息DCI的指示或者监测到的GC-PDCCH对调度数据进行速率匹配(rate matching)。
在本公开的一个实施例中，GC-PDCCH信息还包括用于指示半静态授权资源是否共享COT的信息；PDCCH监测方法还包括：
若指示半静态授权资源共享COT，则在半静态授权资源之前进行固定先听后说(Cat2 Listen Before Talk，Cat2 LBT)；若指示半静态授权资源不共享COT，则在半静态授权资源前进行随机退避先听后说(Cat4 Listen Before Talk，Cat4 LBT)。
即如果终端收到指示配置的半静态授权资源可共享COT，则在配置的半静态授权资源前进行短时间的信道监听，即进行Cat2 LBT；如果终端收到指示配置的半静态授权资源不可共享COT，则在配置的半静态授权资源前进行长时间的信道监听，即进行Cat4 LBT。
本公开的一个实施例提供了一种PDCCH监测方法，该方法应用于基站侧，该方法包括：
发送GC-PDCCH信息，GC-PDCCH信息包括第一指示信息，第一指示信息用于指示PDCCH监测的时域位置。
需要说明的是，向终端发送GC-PDCCH信息，PDCCH监测包括终端特有的PDCCH监测和/或GC-PDCCH监测。
第一指示信息指示的进行PDCCH监测的时域位置用于和预先配置的PDCCH监测的时域位置取交集，以使终端在该交集的时域位置进行PDCCH监测。
其中，第一指示信息指示的进行PDCCH监测的时域位置包括：
进行PDCCH监测的至少一个时隙以及在每个时隙内进行PDCCH监测的符号位置。即第一指示信息指示哪些时隙slot需要进行PDCCH监测和指示 slot内哪些符号位置需要进行PDCCH监测。
在本公开的一些实施例中，由于GC-PDCCH信息指示的时域位置比较稀疏，PDCCH监测的频率就较低，从而降低了终端的功耗。
在本公开的一个实施例中，GC-PDCCH信息还包括以下信息之一或多种组合：
1、用于指示在GC-PDCCH信息的发送时刻之前终端是否有数据传输的信息。
2、终端进行数据传输的开始时刻，该开始时刻是COT的某个时刻。
3、终端进行数据传输的结束时刻，该结束时刻是COT的某个时刻。
5、指示UE specific PDCCH监测信息
(1)指示UE specific PDCCH监测信息的有效开始时刻(可复用数据传输的开始时间)，注意开始时间可在GC-PDCCH之前。
(2)指示UE specific PDCCH监测信息的有效结束时刻(可复用数据传输的结束时间)。
(3)指示哪些时隙slot需要进行PDCCH监测。
(4)指示slot内哪些符号位置需要进行PDCCH监测。
可选地，统一指示一种监测信息应用于所有需要监测的slot。
可选地，多种监测信息应用于不同的slot。
需要说明的是，UE specific PDCCH监测信息可以有一个或多个。
如果单个监测信息不包括指示哪些时隙slot需要进行PDCCH监测和指示slot内哪些符号位置需要进行PDCCH监测，则按照预先配置的时域位置进行UE specific PDCCH监测。
如果单个监测信息包括指示哪些时隙slot需要进行PDCCH监测和/或指示slot内哪些符号位置需要进行PDCCH监测，则取监测信息中指示的时域位置与预先配置的时域位置的交集进行UE specific PDCCH监测。
6、指示信道占用时间内多个时隙的上下行配置，D代表该slot所有符号为下行，U代表该slot所有符号为上行，H表示该slot的符号同时有上行和下行。
7、指示GC-PDCCH的监测信息
(1)停止进行GC-PDCCH监测的时刻；其中，停止进行GC-PDCCH监测的时刻可以是数据传输的结束时刻之前的时刻，或者，停止进行GC-PDCCH监测的时刻可以是数据传输的结束时刻。
(2)指示哪些时隙slot需要进行GC-PDCCH监测。
8、用于指示半静态的授权资源是否共享COT的信息。
(1)指示半静态授权资源在信道占用结束时刻之前进行共享。
(2)指示哪些半静态授权资源可共享COT。
在本公开的一个实施例中，PDCCH监测方法还包括：
配置GC-PDCCH的搜索空间，其中，配置该搜索空间时配置的信息包括以下之一或多种的组合：搜索周期、搜索位置、检测的新RNTI(例如Power Saving-RNTI)加扰的新DCI格式(format)、聚合因子(Aggregation level)、盲检数目。
需要说明的是，可以在发送GC-PDCCH信息之前配置GC-PDCCH的搜索空间。
在配置GC-PDCCH的搜索空间时，还配置是否使用GC-PDCCH来触发终端特有的PDCCH监测。
比如，为终端配置使用GC-PDCCH来触发终端特有的PDCCH监测，那么终端停止至少一个终端特有的PDCCH的监测，在停止至少一个终端特有的PDCCH的监测时进行GC-PDCCH的监测；在监测到GC-PDCCH时，恢复至少一个终端特有的PDCCH的监测。
再比如，为终端配置不使用GC-PDCCH来触发终端特有的PDCCH监测，那么终端同时进行终端特有的PDCCH的监测和GC-PDCCH的监测。
在本公开的一个实施例中，PDCCH监测方法还包括：
根据配置是否使用GC-PDCCH来触发终端特有的PDCCH监测，确定GC-PDCCH信息的发送时刻。
若配置不使用GC-PDCCH来触发终端特有的PDCCH监测，则根据需要自由选择发送时间。
若配置使用GC-PDCCH监测来触发终端特有的PDCCH监测，则GC-PDCCH信息的发送时刻包括：在获取信道后的第一个发送位置或者在终 端进入非连续接收状态(Discontinuous Reception on，DRX on)的第一个发送位置；其中，发送位置是配置的时隙内用于发送GC-PDCCH信息的符号位置。
比如，配置在时隙的第12个符号发送GC-PDCCH信息，基站获取信道是在时隙的第3个符号，则在初次等到第12个符号时发送GC-PDCCH信息。
再比如，配置在时隙的第0个符号发送GC-PDCCH信息，终端进入非连续接收状态DRX on是在第5个符号，则在等到下一个时隙的第0个符号时发送GC-PDCCH信息。
下面通过两个具体的实施例来说明上述技术方案。
实施例一
假设基站配置终端在每个时隙的最后一个符号进行GC-PDCCH的监测，并且配置监测到GC-PDCCH时触发UE specific PDCCH监测。同时，基站为UE1、UE2和UE3配置：每2个符号进行一次UE specific PDCCH监测。拿UE1举例来说，如图3所示，UE1配置每2个符号的UE specific PDCCH监测周期，UE1，UE2，UE3在DRX on后配置的GC-PDCCH的候选盲检位置进行DM-RS检测，如果判断DM-RS存在则进行GC-PDCCH信息的检测。
基站BS在Slot#0的第8个符号获取信道并调度UE1的数据，同时在第13个符号发送GC-PDCCH信息。在获取信道后的第一个可发送GC-PDCCH信息的位置发送GC-PDCCH信息。GC-PDCCH信息包括用于指示在发送GC-PDCCH信息之前有数据传输的信息，并将UE specific PDCCH监测的格式改为在发送GC-PDCCH信息的时隙(即Slot#0)之后的时隙的第0个符号进行，UE specific PDCCH监测的有效时间截止到Slot#3的最后一个符号，即将UE specific PDCCH监测的格式改为在Slot#1、Slot#2和Slot#3的第0个符号进行。
在Slot#2的第0个符号，UE2处于DRX on，基站也需要发送GC-PDCCH信息给UE2进行指示，指示UE2的GC-PDCCH信息与指示UE1的GC-PDCCH信息的内容一致。
UE1在收到Slot#0上的GC-PDCCH信息后，在当前Slot进行配置的UE  specific PDCCH监测，UE1检测到调度数据并进行接收。在Slot#1,2,3上将预先配置的UE specific PDCCH格式和GC-PDCCH信息指示的UE specific PDCCH格式进行合并，进行UE specific PDCCH监测。
其中，对于Slot#1，预先配置的UE specific PDCCH监测格式是：在Slot#1的第0个符号、第2个符号、第4个符号、第6个符号、第8个符号、第10个符号和第12个符号上进行盲检；GC-PDCCH信息指示的UE specific PDCCH监测格式是：在Slot#1上的第0个符号上进行盲检。取预先配置的UE specific PDCCH格式与GC-PDCCH信息指示的UE specific PDCCH格式的交集，即Slot#1上的第0个符号，那么在Slot#1上的第0个符号进行UE specific PDCCH监测。
因此，只有预先配置在符号位置进行UE specific PDCCH监测，而且GC-PDCCH信息也指示在该符号位置进行UE specific PDCCH监测，终端才在该符号位置进行UE specific PDCCH监测。对于UE3，由于UE1和UE3进行UE specific PDCCH监测的模式相同。
实施例二
假设基站配置终端在每个时隙的最后一个符号进行GC-PDCCH监测，并且配置监测到GC-PDCCH时触发UE specific PDCCH监测。同时，基站为UE1、UE2和UE3配置：每2个符号进行一次UE specific PDCCH监测。拿UE1举例来说，如图4所示，UE1配置每2个符号的PDCCH检测周期，在BS获得信道后在配置位置进行PDCCH发送来调度UE1数据进行发送。因此，UE1，UE2，UE3在DRX on后配置的GC-PDCCH的候选盲检位置进行DM-RS检测，如果判断DM-RS存在则进行GC-PDCCH的检测。
基站在Slot#0的第8个符号获取信道并调度UE1的数据，同时在第13个符号进行GC-PDCCH信息发送。GC-PDCCH信息指示不同slot上的UE specific PDCCH监测信息不同，即在Slot#0的第8个符号上进行UE specific PDCCH监测，在Slot#1,2,3上在第0个符号上进行UE specific PDCCH监测。在Slot#2中由于UE2在此时DRX on，也需要发送GC-PDCCH进行指示，指示内容与上述一致。
在Slot#0,1,2,3上将预先配置的UE specific PDCCH格式和GC-PDCCH 指示的格式进行合并，进行UE specific PDCCH的盲检，即在特定符号位置只有预先配置和GC-PDCCH都指示需要进行盲检时终端才进行盲检。
与本公开的一些实施例提供的PDCCH监测方法相应地，本公开的一些实施例提供一种PDCCH监测装置，应用于终端侧，该装置包括：信息接收模块、取交集模块和监测模块。
信息接收模块，用于接收群组公共物理下行链路控制信道GC-PDCCH信息，GC-PDCCH信息包括第一指示信息，第一指示信息用于指示PDCCH监测的时域位置。
监测模块，用于根据第一指示信息指示的时域位置进行PDCCH监测。
与本公开的一些实施例提供的PDCCH监测方法相应地，本公开的一些实施例提供一种PDCCH监测装置，应用于基站侧，该装置包括：
信息发送模块，用于发送GC-PDCCH信息，GC-PDCCH信息包括第一指示信息，第一指示信息用于指示PDCCH监测的时域位置。
图5为实现本公开的一些实施例的一种终端的硬件结构示意图。
如图5所示，该终端200包括但不限于：射频单元201、网络模块202、音频输出单元203、输入单元204、传感器205、显示单元206、用户输入单元207、接口单元208、存储器209、处理器210、以及电源211等部件。本领域技术人员可以理解，图5中示出的移动终端结构并不构成对移动终端的限定，移动终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开的一些实施例中，移动终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
其中，射频单元201，用于接收群组公共物理下行链路控制信道GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置；
处理器210，用于根据第一指示信息指示的时域位置进行PDCCH监测。
在本公开的一些实施例中，通过按照GC-PDCCH信息指示的时域位置进行PDCCH监测，由于GC-PDCCH信息指示的时域位置比较稀疏，PDCCH监测的频率就较低，从而降低了终端的功耗。
应理解的是，本公开的一些实施例中，射频单元201可用于收发信息或 通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器210处理；另外，将上行的数据发送给基站。通常，射频单元201包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元201还可以通过无线通信系统与网络和其他设备通信。
移动终端通过网络模块202为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元203可以将射频单元201或网络模块202接收的或者在存储器209中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元203还可以提供与终端200执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元203包括扬声器、蜂鸣器以及受话器等。
输入单元204用于接收音频或视频信号。输入单元204可以包括图形处理器(Graphics Processing Unit，GPU)2041和麦克风2042，图形处理器2041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元206上。经图形处理器2041处理后的图像帧可以存储在存储器209(或其它存储介质)中或者经由射频单元201或网络模块202进行发送。麦克风2042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元201发送到移动通信基站的格式输出。
终端200还包括至少一种传感器205，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板2061的亮度，接近传感器可在终端200移动到耳边时，关闭显示面板2061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别移动终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器205还可以包括指纹传感器、压力传感器、虹膜传感器、分子传 感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元206用于显示由用户输入的信息或提供给用户的信息。显示单元206可包括显示面板2061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板2061。
用户输入单元207可用于接收输入的数字或字符信息，以及产生与移动终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元207包括触控面板2071以及其他输入设备2072。触控面板2071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板2071上或在触控面板2071附近的操作)。触控面板2071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器210，接收处理器210发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板2071。除了触控面板2071，用户输入单元207还可以包括其他输入设备2072。具体地，其他输入设备2072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板2071可覆盖在显示面板2061上，当触控面板2071检测到在其上或附近的触摸操作后，传送给处理器210以确定触摸事件的类型，随后处理器210根据触摸事件的类型在显示面板2061上提供相应的视觉输出。虽然在图5中，触控面板2071与显示面板2061是作为两个独立的部件来实现移动终端的输入和输出功能，但是在某些实施例中，可以将触控面板2071与显示面板2061集成而实现移动终端的输入和输出功能，具体此处不做限定。
接口单元208为外部装置与终端200连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元208可以用于接收 来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端200内的一个或多个元件或者可以用于在终端200和外部装置之间传输数据。
存储器209可用于存储软件程序以及各种数据。存储器209可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器209可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器210是移动终端的控制中心，利用各种接口和线路连接整个移动终端的各个部分，通过运行或执行存储在存储器209内的软件程序和/或模块，以及调用存储在存储器209内的数据，执行移动终端的各种功能和处理数据，从而对移动终端进行整体监控。处理器210可包括一个或多个处理单元；可选的，处理器210可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器210中。
终端200还可以包括给各个部件供电的电源211(比如电池)，可选的，电源211可以通过电源管理系统与处理器210逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端200包括一些未示出的功能模块，在此不再赘述。
本公开的一些实施例提供一种终端，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程序，所述程序被所述处理器执行时实现如上所述的PDCCH监测方法的步骤。
本公开的一些实施例提供一种基站，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程序，所述程序被所述处理器执行时实现如上所述的PDCCH监测方法的步骤。
本公开的一些实施例提供一种计算机可读存储介质，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上所述的PDCCH监测方法的步骤或者实现如上所述的PDCCH监测方法的步骤。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现有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。
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公开的范围。
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。
在本申请所提供的实施例中，应该理解到，所揭露的装置和方法，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，在本公开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，本公开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)执行本公开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、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
此外，需要指出的是，在本公开的装置和方法中，显然，各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且，执行上述系列处理的步骤可以自然地按照说明的顺序按时间顺序执行，但是并不需要一定按照时间顺序执行，某些步骤可以并行或彼此独立地执行。对本领域的普通技术人员而言，能够理解本公开的方法和装置的全部或者任何步骤或者部件，可以在任何计算装置(包括处理器、存储介质等)或者计算装置的网络中，以硬件、固件、软件或者它们的组合加以实现，这是本领域普通技术人员在阅读了本公开的说明的情况下运用他们的基本编程技能就能实现的。
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。
因此，本公开的目的还可以通过在任何计算装置上运行一个程序或者一组程序来实现。所述计算装置可以是公知的通用装置。因此，本公开的目的也可以仅仅通过提供包含实现所述方法或者装置的程序代码的程序产品来实现。也就是说，这样的程序产品也构成本公开，并且存储有这样的程序产品的存储介质也构成本公开。显然，所述存储介质可以是任何公知的存储介质或者将来所开发出来的任何存储介质。还需要指出的是，在本公开的装置和方法中，显然，各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且，执行上述系列处理的步骤可以自然地按照说明的顺序按时间顺序执行，但是并不需要一定按照时间顺序执行。某些步骤可以并行或彼此独立地执行。
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 (52)

  1. 一种物理下行控制信道PDCCH监测方法，应用于终端侧，包括：
    接收群组公共物理下行链路控制信道GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置；
    根据所述第一指示信息指示的所述时域位置进行所述PDCCH监测。
  2. 根据权利要求1所述的方法，其中，所述根据所述第一指示信息指示的所述时域位置进行PDCCH监测，包括：
    根据所述第一指示信息指示的所述时域位置以及预先配置的时域位置，进行PDCCH监测。
  3. 根据权利要求2所述的方法，其中，
    对所述第一指示信息指示的所述时域位置以及预先配置的时域位置取交集，根据取交集得到的时域位置进行PDCCH监测。
  4. 根据权利要求1所述的方法，其中，所述GC-PDCCH信息还包括第二指示信息，所述第二指示信息用于指示在所述GC-PDCCH信息发送时刻之前是否有数据传输。
  5. 根据权利要求4所述的方法，其中，如果在所述GC-PDCCH信息发送时刻之前有数据传输，则在第一缓存数据中进行PDCCH监测，其中，所述第一缓存数据为在接收到所述GC-PDCCH信息的时刻之前所缓存的数据。
  6. 根据权利要求5所述的方法，其中，所述GC-PDCCH信息还包括数据传输的开始时刻；其中，在所述第一缓存数据中的数据传输的开始时刻之后所缓存的数据中进行PDCCH监测。
  7. 根据权利要求5所述的方法，其中，在所述第一缓存数据中根据预配置时域位置进行PDCCH监测。
  8. 根据权利要求5所述的方法，其中，根据所述第一指示信息指示的时域位置以及预先配置的时域位置，在第二缓存数据中进行PDCCH监测，其中，所述第二缓存数据为在接收到所述GC-PDCCH信息的时刻之后所缓存的数据。
  9. 根据权利要求5所述的方法，其中，在所述第一缓存数据以及所述第二缓存数据中，根据所述第一指示信息指示的所述时域位置以及预先配置的时域位置进行PDCCH监测，其中，所述第二缓存数据为在接收到所述GC-PDCCH信息的时刻之后所缓存的数据。
  10. 根据权利要求1所述的方法，其中，所述PDCCH监测包括终端特有的PDCCH监测。
  11. 根据权利要求10所述的方法，其中，所述GC-PDCCH信息包括所述终端特有的PDCCH监测的至少一个监测信息，其中，每个述监测信息包括需要监测的至少一个时隙以及各时隙的需要监测的符号位置。
  12. 根据权利要求11所述的方法，其中，所述至少一个监测信息包括第一监测信息，在所述第一监测信息下，所述至少一个时隙中的各时隙的需要监测的符号位置相同。
  13. 根据权利要求11所述的方法，其中，所述至少一个监测信息包括第一监测信息和第二监测信息，在所述第一监测信息下的需要监测的至少一个时隙与在所述第二监测信息下的需要监测的至少一个时隙不同。
  14. 根据权利要求13所述的方法，其中，在所述第一监测信息下的需要监测的至少一个时隙所对应的需要监测的符号位置与在所述第二监测信息下的需要监测的至少一个时隙所对应的需要监测的符号位置相同或不相同。
  15. 根据权利要求11所述的方法，其中，所述监测信息还包括监测的开始时刻和/或监测的结束时刻。
  16. 根据权利要求15所述的方法，其中，所述监测的开始时刻为数据传输的开始时刻，和/或，所述监测的结束时刻为数据传输的结束时刻。
  17. 根据权利要求10所述的方法，其中，所述GC-PDCCH信息包括所述终端特有的PDCCH监测的至少一个监测信息；对于所述至少一个监测信息未指示的监测时间段，根据预先配置的时域位置进行终端特有的PDCCH监测。
  18. 根据权利要求1所述的方法，其中，所述PDCCH监测包括GC-PDCCH监测。
  19. 根据权利要求18所述的方法，其中，所述GC-PDCCH信息还包括 所述GC-PDCCH监测的监测信息，所述监测信息包括以下之一或多种的组合：监测的开始时刻、监测的结束时刻、需要监测的至少一个时隙以及各时隙的需要监测的符号位置。
  20. 根据权利要求18所述的方法，其中，
    根据所述监测信息进行GC-PDCCH监测，或者根据改变后的所述监测信息进行GC-PDCCH监测。
  21. 根据权利要求18所述的方法，还包括：
    若监测到GC-PDCCH，则停止GC-PDCCH监测，直到数据传输结束时恢复GC-PDCCH监测。
  22. 根据权利要求1所述的方法，其中，所述GC-PDCCH信息还包括信道占用时间COT内至少一个时隙的上行和下行的配置信息；
    所述的方法还包括：
    对于COT内的符号均为上行的时隙，不进行终端特有的PDCCH监测和GC-PDCCH监测。
  23. 根据权利要求10所述的方法，还包括：
    若监测到终端特有的PDCCH，则根据下行控制信息DCI的指示或者监测到的GC-PDCCH对调度数据进行速率匹配。
  24. 根据权利要求10所述的方法，还包括：
    如果通过GC-PDCCH监测触发终端特有的PDCCH监测，则停止所述终端特有的PDCCH监测，进行GC-PDCCH的监测。
  25. 根据权利要求24所述的方法，还包括：
    根据GC-PDCCH的搜索空间的搜索周期和搜索位置，盲检下行控制信息DCI。
  26. 根据权利要求24所述的方法，还包括：
    根据检测GC-PDCCH中的解调参考信息DM-RS，判断所述GC-PDCCH信息是否已发送。
  27. 根据权利要求10所述的方法，还包括：
    如果不通过GC-PDCCH监测触发终端特有的PDCCH监测，则同时进行终端特有的PDCCH的监测和GC-PDCCH的监测。
  28. 根据权利要求1所述的方法，其中，所述GC-PDCCH信息还包括用于指示半静态授权资源是否共享COT的信息；所述的方法还包括：
    若指示半静态授权资源共享COT，则在半静态授权资源之前进行固定先听后说Cat2 LBT；
    若指示半静态授权资源不共享COT，则在半静态授权资源前进行随机退避先听后说Cat4 LBT。
  29. 一种PDCCH监测方法，应用于基站侧，包括：
    发送GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置。
  30. 根据权利要求29所述的方法，其中，所述GC-PDCCH信息还包括第二指示信息，所述第二指示信息用于指示在所述GC-PDCCH信息发送时刻之前是否有数据传输。
  31. 根据权利要求30所述的方法，其中，如果指示在所述GC-PDCCH信息发送时刻之前有数据传输，所述GC-PDCCH信息还包括数据传输的开始时刻和/或数据传输的结束时刻。
  32. 根据权利要求29所述的方法，其中，所述PDCCH监测包括终端特有的PDCCH监测。
  33. 根据权利要求32所述的方法，其中，所述GC-PDCCH信息还包括所述终端特有的PDCCH监测的至少一个监测信息，单个所述监测信息包括以下之一或多种的组合：监测的开始时刻、监测的结束时刻、需要监测的至少一个时隙、各时隙的需要监测的符号位置。
  34. 根据权利要求33所述的方法，其中，所述至少一个监测信息包括第一监测信息，在所述第一监测信息下，所述至少一个时隙中的各时隙的需要监测的符号位置相同。
  35. 根据权利要求33所述的方法，其中，所述至少一个监测信息包括第一监测信息和第二监测信息，在所述第一监测信息下的需要监测的至少一个时隙与在所述第二监测信息下的需要监测的至少一个时隙不同。
  36. 根据权利要求35所述的方法，其中，在所述第一监测信息下的需要监测的至少一个时隙所对应的需要监测的符号位置与在所述第二监测信息下 的需要监测的至少一个时隙所对应的需要监测的符号位置相同或不相同。
  37. 根据权利要求29所述的方法，其中，所述PDCCH监测包括GC-PDCCH监测。
  38. 根据权利要求37所述的方法，其中，所述GC-PDCCH信息还包括所述GC-PDCCH监测的监测信息，所述监测信息包括以下之一或多种的组合：监测的开始时刻、监测的结束时刻、需要监测的至少一个时隙以及各时隙的需要监测的符号位置。
  39. 根据权利要求37所述的方法，其中，
    所述GC-PDCCH信息还包括第二指示信息，所述第二指示信息用于指示在所述GC-PDCCH信息发送时刻之前是否有数据传输；如果有数据传输，所述GC-PDCCH信息还包括数据传输的结束时刻和所述GC-PDCCH监测的结束时刻；其中，
    所述GC-PDCCH监测的结束时刻为所述数据传输的结束时刻，或者，所述GC-PDCCH监测的结束时刻在所述数据传输的结束时刻之前。
  40. 根据权利要求37所述的方法，还包括：
    为终端配置用于GC-PDCCH监测的搜索空间。
  41. 根据权利要求29所述的方法，其中，所述GC-PDCCH信息还包括COT内至少一个时隙的上行和下行的配置信息。
  42. 根据权利要求41所述的方法，其中，所述上行和下行的配置信息包括以下的之一或多种的组合：符号D、符号U、符号H；其中，所述符号D代表时隙的符号为下行，所述符号U代表时隙的符号为上行，所述符号H代表时隙的符号同时有上行和下行。
  43. 根据权利要求32所述的方法，还包括：
    为终端配置是否通过GC-PDCCH监测触发终端特有的PDCCH监测。
  44. 根据权利要求43所述的方法，还包括：
    如果为终端配置通过GC-PDCCH监测触发终端特有的PDCCH监测，则确定所述GC-PDCCH信息的发送时刻。
  45. 根据权利要求44所述的方法，其中，
    所述GC-PDCCH信息的发送时刻为：在获取信道后的发送GC-PDCCH 信息的第一个发送位置或者在终端进入非连续接收状态DRX on下的发送GC-PDCCH信息的第一个发送位置。
  46. 根据权利要求29所述的方法，其中，所述GC-PDCCH信息还包括指示半静态授权资源是否共享COT的信息。
  47. 根据权利要求46所述的方法，其中，如果指示半静态授权资源共享COT，则所述GC-PDCCH信息还包括用于指示共享COT的半静态授权资源的信息和/或用于指示半静态授权资源在信道占用结束时刻之前进行共享的信息。
  48. 一种PDCCH监测装置，应用于终端侧，包括：
    信息接收模块，用于接收群组公共物理下行链路控制信道GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置；
    监测模块，用于根据所述第一指示信息指示的所述时域位置进行所述PDCCH监测。
  49. 一种PDCCH监测装置，应用于基站侧，包括：
    信息发送模块，用于发送GC-PDCCH信息，所述GC-PDCCH信息包括第一指示信息，所述第一指示信息用于指示PDCCH监测的时域位置。
  50. 一种终端，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程序，所述程序被所述处理器执行时实现如权利要求1至28中任一项所述的PDCCH监测方法的步骤。
  51. 一种基站，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程序，所述程序被所述处理器执行时实现如权利要求29至47中任一项所述的PDCCH监测方法的步骤。
  52. 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权利要求1至28中任一项所述的PDCCH监测方法的步骤或者实现如权利要求29至47中任一项所述的PDCCH监测方法的步骤。
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