WO2019227318A1 - Procédé et appareil de configuration de surveillance de canal physique de commande de liaison descendante, procédé et appareil de surveillance de canal physique de commande de liaison descendante, et station de base - Google Patents

Procédé et appareil de configuration de surveillance de canal physique de commande de liaison descendante, procédé et appareil de surveillance de canal physique de commande de liaison descendante, et station de base Download PDF

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Publication number
WO2019227318A1
WO2019227318A1 PCT/CN2018/088909 CN2018088909W WO2019227318A1 WO 2019227318 A1 WO2019227318 A1 WO 2019227318A1 CN 2018088909 W CN2018088909 W CN 2018088909W WO 2019227318 A1 WO2019227318 A1 WO 2019227318A1
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WIPO (PCT)
Prior art keywords
pdcch monitoring
pdcch
time point
monitoring information
level
Prior art date
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PCT/CN2018/088909
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English (en)
Chinese (zh)
Inventor
牟勤
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN201880000746.9A priority Critical patent/CN108702764B/zh
Priority to PCT/CN2018/088909 priority patent/WO2019227318A1/fr
Publication of WO2019227318A1 publication Critical patent/WO2019227318A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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 in particular, to a method and device for monitoring and configuring a physical downlink control channel (PDCCH), a method and device for monitoring a PDCCH, a base station, user equipment, and a computer-readable storage medium.
  • a physical downlink control channel PDCCH
  • a method and device for monitoring a PDCCH a base station, user equipment, and a computer-readable storage medium.
  • 5G fifth generation of mobile communication technology
  • business types such as multimedia services, cloud services and interactive services.
  • These business types will bring rising data transmission requirements. Therefore, 5G
  • the power consumption problem faced by the new wireless access system will be more severe, and 5G terminals need to optimize the power utilization rate more urgently in order to provide a variety of service types.
  • LTE Long Term Evolution
  • three types of user behaviors that consume the most power are obtained, and these three user behaviors consume more than 70% of power.
  • the most power-consuming is the monitoring of the physical downlink control channel (PDCCH). Since up to 44 blind detections of the PDCCH are performed in each subframe, the monitoring of the PDCCH consumes more than 40% of the power. In addition, there is no data transmission in most of the monitored subframes, so the power consumption for monitoring the PDCCH will be wasted. Therefore, how to optimize the power consumption of the PDCCH in the monitoring process is an urgent problem that needs to be solved.
  • PDCCH physical downlink control channel
  • the concept of a PDCCH monitoring period is introduced. That is, the user equipment (UE) does not need to monitor the PDCCH in each subframe, but performs PDCCH monitoring in a specific subframe according to a set period.
  • the base station can configure the monitoring period according to the service of the UE.
  • the UE monitors the PDCCH in a specific subframe, and decides whether to monitor subsequent data according to the PDCCH monitoring situation. In subframes where PDCCH monitoring is not required, the UE can sleep briefly to save power.
  • the load pattern of the business often changes dynamically. For example, during a certain period of time, the business is bursting out of focus. In other time periods, the traffic is relatively small. However, the current PDCCH monitoring period setting mode cannot match the mode in which services are concentrated in a certain period of time.
  • this application discloses a PDCCH monitoring configuration method and device, a PDCCH monitoring method and device, a base station, user equipment, and a computer-readable storage medium to flexibly configure the PDCCH monitoring process so that it can better match Business load changes.
  • a physical downlink control channel PDCCH monitoring configuration method is provided, which is applied to a base station.
  • the method includes:
  • the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used to indicate the PDCCH monitoring time point within the PDCCH monitoring duration.
  • the PDCCH monitoring information includes multi-level PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring information further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
  • the PDCCH monitoring information of each level or the PDCCH monitoring information of any level further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
  • the sending the PDCCH monitoring information to the UE includes:
  • a physical downlink control channel PDCCH monitoring method is provided, which is applied to user equipment UE.
  • the method includes:
  • the PDCCH is monitored at the PDCCH monitoring time point.
  • the determining a PDCCH monitoring time point according to the PDCCH monitoring information includes:
  • Determining the PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH time offset;
  • the PDCCH monitoring time point is determined according to the PDCCH monitoring period of each level in the multi-level PDCCH monitoring information, the duration of each level of PDCCH monitoring, and the PDCCH time offset included in any one or more levels of PDCCH monitoring information.
  • a physical downlink control channel PDCCH monitoring configuration device which is applied to a base station, and the device includes:
  • a configuration module configured to configure PDCCH monitoring information for a user equipment UE, where the PDCCH monitoring information is used by the UE to determine a PDCCH monitoring time point;
  • the sending module is configured to send the PDCCH monitoring information configured by the configuration module to the UE.
  • the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used to indicate the PDCCH monitoring time point within the PDCCH monitoring duration.
  • the PDCCH monitoring information includes multi-level PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring information further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
  • the PDCCH monitoring information of each level or PDCCH monitoring information of any level further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
  • the sending module is configured to:
  • a physical downlink control channel PDCCH monitoring apparatus which is applied to user equipment UE.
  • the apparatus includes:
  • a receiving module configured to receive PDCCH monitoring information sent by a base station
  • a determining module configured to determine a PDCCH monitoring time point according to the PDCCH monitoring information received by the receiving module
  • a monitoring module is configured to monitor a PDCCH at the PDCCH monitoring time point determined by the determining module.
  • the determining module includes:
  • a first determining submodule configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration
  • a second determining submodule configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH time offset;
  • a third determining submodule configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap indicating the PDCCH monitoring time point within the PDCCH monitoring duration;
  • a fourth determining sub-module configured to determine the PDCCH monitoring time point according to each level of PDCCH monitoring period and each level of PDCCH monitoring duration in the multi-level PDCCH monitoring information;
  • a fifth determination submodule is configured to determine the PDCCH monitoring according to the PDCCH monitoring period of each level in the multi-level PDCCH monitoring information, the duration of each level of PDCCH monitoring, and the PDCCH time offset included in any one or more levels of PDCCH monitoring information. Point in time.
  • a base station including:
  • Memory for storing processor-executable instructions
  • the processor is configured to:
  • a user equipment including:
  • Memory for storing processor-executable instructions
  • the processor is configured to:
  • the PDCCH is monitored at the PDCCH monitoring time point.
  • a computer-readable storage medium having computer instructions stored thereon that, when executed by a processor, implement the steps of the physical downlink control channel PDCCH monitoring configuration method described above.
  • a computer-readable storage medium having computer instructions stored thereon that, when executed by a processor, implement the steps of the above-mentioned physical downlink control channel PDCCH monitoring method.
  • the PDCCH monitoring process can be flexibly configured so that it can better match the load change of the service.
  • the UE can determine the monitoring time point according to the PDCCH monitoring information configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match the load change of the service and save power. Consuming.
  • FIG. 1 is a flowchart of a PDCCH monitoring configuration method according to an exemplary embodiment of the present application
  • FIG. 2 is a flowchart of a PDCCH monitoring method according to an exemplary embodiment of the present application
  • FIG. 3A is a signaling flowchart of a PDCCH monitoring method according to an exemplary embodiment of the present application.
  • FIG. 3B is a schematic diagram of determining a PDCCH monitoring time point according to an exemplary embodiment of the present application.
  • FIG. 4A is a signaling flowchart of another PDCCH monitoring method according to an exemplary embodiment of the present application.
  • FIG. 4B is another schematic diagram of determining a PDCCH monitoring time point according to an exemplary embodiment of the present application.
  • FIG. 5A is a signaling flowchart of another PDCCH monitoring method according to an exemplary embodiment of the present application.
  • FIG. 5B is another schematic diagram of determining a PDCCH monitoring time point according to an exemplary embodiment of the present application.
  • FIG. 6A is a signaling flowchart of another PDCCH monitoring method according to an exemplary embodiment of the present application.
  • FIG. 6B is another schematic diagram of determining a PDCCH monitoring time point according to an exemplary embodiment of the present application.
  • Fig. 7 is a block diagram of a PDCCH monitoring configuration device according to an exemplary embodiment
  • Fig. 8 is a block diagram of a PDCCH monitoring device according to an exemplary embodiment
  • Fig. 9 is a block diagram showing another PDCCH monitoring apparatus according to an exemplary embodiment.
  • Fig. 10 is a block diagram of a PDCCH monitoring and configuration apparatus according to an exemplary embodiment
  • Fig. 11 is a block diagram of a PDCCH monitoring apparatus according to an exemplary embodiment.
  • FIG. 1 is a flowchart of a PDCCH monitoring configuration method according to an exemplary embodiment of the present application. This embodiment is described from a base station side. As shown in FIG. 1, the PDCCH monitoring configuration method includes:
  • step S101 PDCCH monitoring information is configured for the UE, and the PDCCH monitoring information is used by the UE to determine a PDCCH monitoring time point.
  • the PDCCH monitoring information may include different content.
  • the content included in the PDCCH monitoring information is at least one of the following situations:
  • the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring information includes a PDCCH time offset, a PDCCH monitoring period, and a PDCCH monitoring duration.
  • the PDCCH time offset is used to determine a PDCCH monitoring start time.
  • the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used to indicate a PDCCH monitoring time point.
  • the PDCCH monitoring information includes multi-level PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the multi-level PDCCH monitoring information includes at least two levels of PDCCH monitoring information.
  • the base station configures multi-level PDCCH monitoring information, it can be configured level by level. Taking two levels of PDCCH monitoring information as an example, first level PDCCH monitoring information can be configured first, and then second level PDCCH monitoring information is configured.
  • the PDCCH monitoring information includes multi-level PDCCH monitoring information.
  • Each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • Each level of PDCCH monitoring information or any level of PDCCH monitoring information also includes a PDCCH time offset. The time offset is used to determine the PDCCH monitoring start time.
  • step S102 PDCCH monitoring information is sent to the UE.
  • PDCCH monitoring information may be sent to the UE through high-level signaling, where the high-level signaling may include, but is not limited to, at least one of radio resource control (RRC) signaling and media access control (MAC) signaling One item.
  • RRC radio resource control
  • MAC media access control
  • the PDCCH monitoring information is configured for the UE and the PDCCH monitoring information is sent to the UE to flexibly configure the PDCCH monitoring process so that it can better match the load change of the service.
  • FIG. 2 is a flowchart of a PDCCH monitoring method according to an exemplary embodiment of the present application. This embodiment is described from the UE side. As shown in FIG. 2, the PDCCH monitoring method includes:
  • step S201 the PDCCH monitoring information sent by the base station is received.
  • step S202 a PDCCH monitoring time point is determined according to the PDCCH monitoring information.
  • determining the PDCCH monitoring time point according to the PDCCH monitoring information may include but is not limited to any of the following situations:
  • a PDCCH monitoring time point is determined according to a PDCCH monitoring period and a PDCCH monitoring duration.
  • a PDCCH monitoring time point is determined according to a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH time offset.
  • a PDCCH monitoring time point is determined according to a bitmap indicating a PDCCH monitoring time point within a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH monitoring duration.
  • a PDCCH monitoring time point is determined according to a PDCCH monitoring period of each level and a PDCCH monitoring duration of each level in the multi-level PDCCH monitoring information.
  • a PDCCH monitoring time point is determined according to a PDCCH monitoring period of each level in the multi-level PDCCH monitoring information, a PDCCH monitoring duration of each level, and a PDCCH time offset included in any one or more levels of PDCCH monitoring information.
  • step S203 the PDCCH is monitored at a PDCCH monitoring time point.
  • the UE by receiving PDCCH monitoring information sent by the base station, the UE can determine a monitoring time point according to the PDCCH monitoring information configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match the load change of the service. It can also save power.
  • FIG. 3A is a signaling flowchart of a PDCCH monitoring method according to an exemplary embodiment of the present application. This embodiment is described from the perspective of interaction between a base station and a UE. As shown in FIG. 3A, the PDCCH monitoring method includes:
  • step S301 the base station configures a PDCCH monitoring period for the UE.
  • the PDCCH monitoring period may be T time units, and the time unit may be a symbol, a time slot, a subframe, or the like.
  • the base station does not configure a PDCCH time offset for the UE, indicating that the base station defaults the PDCCH monitoring start time to the first time unit.
  • step S302 the base station configures the PDCCH monitoring duration for the UE.
  • step S303 the base station sends a PDCCH monitoring period and a PDCCH monitoring duration to the UE.
  • step S304 the UE receives a PDCCH monitoring period and a PDCCH monitoring duration sent by the base station.
  • step S305 the UE determines a PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring time point determined by the UE is: 0ms to 3ms of each PDCCH monitoring period, as shown in FIG. 3B and each block in FIG. 3B Representing 1ms, FIG. 3B shows a total of 3 PDCCH monitoring periods, that is, a total of 30 blocks. These 30 blocks represent 0ms to 29ms, and the PDCCH monitoring time point determined by the UE is 0ms to 3rd as shown in FIG. 3B 3ms, 10ms to 13ms, 20ms to 23ms.
  • step S306 the UE monitors the PDCCH at the determined PDCCH monitoring time point.
  • the interaction between the base station and the UE enables the UE to determine a monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match Changes in business load can also save power.
  • FIG. 4A is a signaling flowchart of another PDCCH monitoring method according to an exemplary embodiment of the present application. This embodiment is described from the perspective of interaction between a base station and a UE. As shown in FIG. 4A, the PDCCH monitoring method includes:
  • step S401 the base station configures a PDCCH monitoring period and a PDCCH time offset for the UE.
  • the PDCCH monitoring period may be T time units, and the time unit may be a symbol, a time slot, a subframe, or the like.
  • the PDCCH time offset can be used to determine the PDCCH monitoring start time.
  • the PDCCH monitoring start time is the Xth time unit of each monitoring period.
  • step S402 the base station configures the PDCCH monitoring duration for the UE.
  • step S403 the base station sends a PDCCH monitoring period, a PDCCH time offset, and a PDCCH monitoring duration to the UE.
  • step S404 the UE receives a PDCCH monitoring period, a PDCCH time offset, and a PDCCH monitoring duration sent by the base station.
  • step S405 the UE determines a PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH time offset, and a PDCCH monitoring duration.
  • the PDCCH monitoring time point determined by the UE is the 3 ms to 6 ms of each PDCCH monitoring period, as shown in FIG. 4B.
  • Each block in 4B represents 1ms.
  • Figure 4B shows a total of 3 PDCCH monitoring periods, that is, a total of 30 blocks. These 30 blocks represent 0ms to 29ms.
  • the PDCCH monitoring time point determined by the UE is shown in Figure 4B. The 3ms to 6ms, 13ms to 16ms, and 23ms to 26ms are shown.
  • step S406 the UE monitors the PDCCH at the determined PDCCH monitoring time point.
  • the interaction between the base station and the UE enables the UE to determine a monitoring time point according to a PDCCH monitoring period, a PDCCH time offset, and a PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point. Can better match the load change of the business, and can save power consumption.
  • FIG. 5A is a signaling flowchart of another PDCCH monitoring method according to an exemplary embodiment of the present application. This embodiment is described from the perspective of interaction between a base station and a UE. As shown in FIG. 5A, the PDCCH monitoring method includes:
  • step S501 the base station configures a PDCCH monitoring period for the UE.
  • the PDCCH monitoring period may be T time units, and the time unit may be a symbol, a time slot, a subframe, or the like.
  • the base station configures a PDCCH monitoring duration for the UE, and configures a bit-map for indicating a PDCCH monitoring time point within the PDCCH monitoring duration.
  • This bitmap can be used to further determine the PDCCH monitoring time point.
  • step S503 the base station sends a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used to indicate a PDCCH monitoring time point to the UE.
  • step S504 the UE receives a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH monitoring duration sent by the base station, and the bitmap is used to indicate a PDCCH monitoring time point.
  • step S505 the UE determines a PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap indicating a PDCCH monitoring time point within the PDCCH monitoring duration.
  • the PDCCH monitoring period is 10ms
  • the PDCCH monitoring duration is 4ms
  • the bitmap used to indicate the PDCCH monitoring time point in the PDCCH monitoring duration is 1011.
  • the PDCCH monitoring time point determined by the UE is the 0ms of each PDCCH monitoring period.
  • each block in Figure 5B represents 1ms
  • Figure 5B shows a total of 3 PDCCH monitoring cycles, that is, a total of 30 blocks, these 30 blocks represent 0ms to 29ms
  • the PDCCH monitoring time point determined by the UE is 0ms, 2ms, 3ms, 10ms, 12ms, 13ms, 20ms, 22ms, and 23ms shown in FIG. 5B.
  • step S506 the UE monitors the PDCCH at the determined PDCCH monitoring time point.
  • the interaction between the base station and the UE enables the UE to determine a monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap indicating a PDCCH monitoring time point configured by the base station.
  • the PDCCH can be monitored at this PDCCH monitoring time point, which can better match the load change of the service and save power consumption.
  • FIG. 6A is a signaling flowchart of another PDCCH monitoring method according to an exemplary embodiment of the present application. This embodiment is described from the perspective of interaction between a base station and a UE. As shown in FIG. 6A, the PDCCH monitoring method includes:
  • the base station configures first-level PDCCH monitoring information for the UE.
  • the first-level PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring period may be T time units, and the time unit may be a symbol, a time slot, a subframe, or the like.
  • the base station if the base station does not configure a PDCCH time offset for the UE, it indicates that the base station defaults the PDCCH monitoring start time to the first time unit.
  • the first-level PDCCH monitoring information may further include a PDCCH time offset, and the PDCCH time offset may be used to determine a first-level PDCCH monitoring start time.
  • step S602 the base station configures a second-stage PDCCH monitoring period and a second-stage PDCCH monitoring duration for the UE within the first-stage PDCCH monitoring duration.
  • the base station may also configure a second-stage PDCCH time offset for the UE within the duration of the first-stage PDCCH monitoring, and the second-stage PDCCH time offset may be used to determine a second-stage PDCCH monitoring start time.
  • step S603 the base station sends a two-stage PDCCH monitoring period and a two-stage PDCCH monitoring duration to the UE.
  • step S604 the UE receives the two-stage PDCCH monitoring period and the two-stage PDCCH monitoring duration sent by the base station.
  • step S605 the UE determines a PDCCH monitoring time point according to the two-stage PDCCH monitoring period and the two-stage PDCCH monitoring duration.
  • the first-stage PDCCH monitoring period is 10ms
  • the first-stage PDCCH monitoring duration is 5ms
  • the second-stage PDCCH monitoring period configured by the UE within the first-stage PDCCH monitoring duration is 3ms
  • the second-stage PDCCH monitoring duration is 2ms
  • the PDCCH monitoring time point determined by the UE is: 0ms, 1ms, 3ms, and 4ms of each PDCCH monitoring period, as shown in FIG. 6B
  • each block in FIG. 6B represents 1 ms
  • FIG. 6B shows together
  • There are 3 PDCCH monitoring periods that is, a total of 30 blocks. These 30 blocks represent 0ms to 29ms.
  • the PDCCH monitoring time points determined by the UE are 0ms, 1ms, 3ms, and 4ms shown in FIG. 6B. , 10ms, 11ms, 13ms, 14ms, 20ms, 21ms, 23ms, and 24ms.
  • a process of determining a PDCCH monitoring time point of a corresponding level based on the PDCCH time offset can refer to the second embodiment shown in FIG. 4A, which is not described herein again.
  • step S606 the UE monitors the PDCCH at the determined PDCCH monitoring time point.
  • the interaction between the base station and the UE enables the UE to determine a monitoring time point according to the two-stage PDCCH monitoring period and the two-stage PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point. It can better match the load change of the business and save power consumption.
  • Fig. 7 is a block diagram of a PDCCH monitoring configuration device according to an exemplary embodiment.
  • the device may be located in a base station. As shown in Fig. 7, the device includes a configuration module 71 and a sending module 72.
  • the configuration module 71 is configured to configure PDCCH monitoring information for the user equipment UE, and the PDCCH monitoring information is used by the UE to determine a PDCCH monitoring time point.
  • the PDCCH monitoring information may include different content.
  • the content included in the PDCCH monitoring information is at least one of the following situations:
  • the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the PDCCH monitoring information includes a PDCCH time offset, a PDCCH monitoring period, and a PDCCH monitoring duration.
  • the PDCCH time offset is used to determine a PDCCH monitoring start time.
  • the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used to indicate a PDCCH monitoring time point.
  • the PDCCH monitoring information includes multi-level PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • the multi-level PDCCH monitoring information includes at least two levels of PDCCH monitoring information.
  • the base station configures multi-level PDCCH monitoring information, it can be configured level by level. Taking two levels of PDCCH monitoring information as an example, first level PDCCH monitoring information can be configured first, and then second level PDCCH monitoring information is configured.
  • the PDCCH monitoring information includes multi-level PDCCH monitoring information.
  • Each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
  • Each level of PDCCH monitoring information or any level of PDCCH monitoring information also includes a PDCCH time offset. The time offset is used to determine the PDCCH monitoring start time.
  • the sending module 72 is configured to send the PDCCH monitoring information configured by the configuring module 71 to the UE.
  • the sending module 72 may send PDCCH monitoring information to the UE through high-level signaling, where the high-level signaling may include but is not limited to radio resource control (RRC) signaling and media access control (MAC) signaling At least one of.
  • RRC radio resource control
  • MAC media access control
  • the PDCCH monitoring process can be flexibly configured so that it can better match the load change of the service.
  • Fig. 8 is a block diagram of a PDCCH monitoring apparatus according to an exemplary embodiment.
  • the apparatus may be located in a UE.
  • the apparatus includes a receiving module 81, a determining module 82, and a monitoring module 83.
  • the receiving module 81 is configured to receive PDCCH monitoring information sent by a base station.
  • the determining module 82 is configured to determine a PDCCH monitoring time point according to the PDCCH monitoring information received by the receiving module 81.
  • the monitoring module 83 is configured to monitor the PDCCH at a PDCCH monitoring time point determined by the determination module 82.
  • the UE by receiving PDCCH monitoring information sent by the base station, the UE can determine a monitoring time point according to the PDCCH monitoring information configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match the load change of the service. It can also save power.
  • Fig. 9 is a block diagram of another PDCCH monitoring device according to an exemplary embodiment.
  • the determining module 82 may include: a first determining submodule 821 The second determination submodule 822, the third determination submodule 823, the fourth determination submodule 824, or the fifth determination submodule 825.
  • the first determining submodule 821 is configured to determine a PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration.
  • the second determination submodule 822 is configured to determine a PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH time offset.
  • the third determining sub-module 823 is configured to determine a PDCCH monitoring time point according to a bitmap indicating a PDCCH monitoring time point within a PDCCH monitoring period, a PDCCH monitoring duration, and a PDCCH monitoring duration.
  • the fourth determination sub-module 824 is configured to determine a PDCCH monitoring time point according to each level of PDCCH monitoring period and each level of PDCCH monitoring duration in the multi-level PDCCH monitoring information.
  • the fifth determination submodule 825 is configured to determine a PDCCH monitoring time point according to a PDCCH monitoring period of each level in the multi-level PDCCH monitoring information, a PDCCH monitoring duration of each level, and a PDCCH time offset included in any one or more levels of PDCCH monitoring information. .
  • the above PDCCH monitoring device can determine the PDCCH monitoring time point according to the PDCCH monitoring information, and the implementation methods are flexible and diverse.
  • Fig. 10 is a block diagram showing another apparatus suitable for PDCCH monitoring and configuration according to an exemplary embodiment.
  • the apparatus 1000 may be provided as a base station.
  • the device 1000 includes a processing component 1022, a wireless transmitting / receiving component 1024, an antenna component 1026, and a signal processing portion unique to a wireless interface.
  • the processing component 1022 may further include one or more processors.
  • One of the processors in the processing component 1022 may be configured as:
  • a non-transitory computer-readable storage medium including instructions is also provided, and the foregoing instructions may be executed by the processing component 1022 of the device 1000 to complete the PDCCH monitoring configuration method described above.
  • the non-transitory computer-readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
  • Fig. 11 is a block diagram of a PDCCH monitoring and configuration apparatus according to an exemplary embodiment.
  • the device 1100 may be a user equipment such as a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
  • the device 1100 may include one or more of the following components: a processing component 1102, a memory 1104, a power component 1106, a multimedia component 1108, an audio component 1110, an input / output (I / O) interface 1112, a sensor component 1114, And communication components 1116.
  • a processing component 1102 a memory 1104, a power component 1106, a multimedia component 1108, an audio component 1110, an input / output (I / O) interface 1112, a sensor component 1114, And communication components 1116.
  • the processing component 1102 generally controls overall operations of the device 1100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing element 1102 may include one or more processors 1120 to execute instructions to complete all or part of the steps of the method described above.
  • the processing component 1102 may include one or more modules to facilitate the interaction between the processing component 1102 and other components.
  • the processing component 1102 may include a multimedia module to facilitate the interaction between the multimedia component 1108 and the processing component 1102.
  • One of the processors 1120 in the processing component 1102 may be configured as:
  • the PDCCH is monitored at a PDCCH monitoring time point.
  • the memory 1104 is configured to store various types of data to support operation at the device 1100. Examples of such data include instructions for any application or method operating on the device 1100, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 1104 may be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Programming read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM Programming read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply assembly 1106 provides power to various components of the device 1100.
  • the power component 1106 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the device 1100.
  • the multimedia component 1108 includes a screen that provides an output interface between the device 1100 and a user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can not only sense the boundaries of a touch or slide action, but also detect the duration and pressure associated with a touch or slide operation.
  • the multimedia component 1108 includes a front camera and / or a rear camera. When the device 1100 is in an operation mode, such as a shooting mode or a video mode, the front camera and / or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1110 is configured to output and / or input audio signals.
  • the audio component 1110 includes a microphone (MIC) that is configured to receive an external audio signal when the device 1100 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in the memory 1104 or transmitted via the communication component 1116.
  • the audio component 1110 further includes a speaker for outputting audio signals.
  • the I / O interface 1112 provides an interface between the processing component 1102 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, or the like. These buttons can include, but are not limited to: a home button, a volume button, a start button, and a lock button.
  • the sensor assembly 1114 includes one or more sensors for providing status assessment of various aspects of the device 1100.
  • the sensor component 1114 can detect the on / off state of the device 1100 and the relative positioning of the components, such as the display and keypad of the device 1100.
  • the sensor component 1114 can also detect the change in the position of the device 1100 or a component of the device 1100.
  • the user The presence or absence of contact with the device 1100, the orientation or acceleration / deceleration of the device 1100, and the temperature change of the device 1100.
  • the sensor assembly 1114 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor component 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1114 may further include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1116 is configured to facilitate wired or wireless communication between the device 1100 and other devices.
  • the device 1100 may access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof.
  • the communication section 1116 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 1116 further includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra wideband
  • Bluetooth Bluetooth
  • the device 1100 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation is used to perform the above method.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation is used to perform the above method.
  • a non-transitory computer-readable storage medium including instructions can be executed by the processor 1120 of the device 1100 to complete the foregoing method.
  • the non-transitory computer-readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
  • the relevant part may refer to the description of the method embodiment.
  • the device embodiments described above are only schematic, and 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 it can be distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the objective of the solution of this embodiment. Those of ordinary skill in the art can understand and implement without creative efforts.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de configuration de surveillance de PDCCH, un procédé et un appareil de surveillance de PDCCH, une station de base, un équipement utilisateur (UE), et un support de stockage lisible par ordinateur. Le procédé de configuration de surveillance de PDCCH consiste à : configurer des informations de surveillance de PDCCH pour un UE, les informations de surveillance de PDCCH étant utilisées par l'UE pour déterminer un point de temps pour la surveillance d'un PDCCH ; et envoyer les informations de surveillance de PDCCH à l'UE. En configurant des informations de surveillance PDCCH pour un UE et en les envoyant à l'UE, les modes de réalisation de la présente invention configurent un processus de surveillance de PDCCH de manière flexible afin qu'il s'adapte mieux à un changement de charge d'un service.
PCT/CN2018/088909 2018-05-29 2018-05-29 Procédé et appareil de configuration de surveillance de canal physique de commande de liaison descendante, procédé et appareil de surveillance de canal physique de commande de liaison descendante, et station de base Ceased WO2019227318A1 (fr)

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CN201880000746.9A CN108702764B (zh) 2018-05-29 2018-05-29 物理下行控制信道监测配置、监测方法及装置和基站
PCT/CN2018/088909 WO2019227318A1 (fr) 2018-05-29 2018-05-29 Procédé et appareil de configuration de surveillance de canal physique de commande de liaison descendante, procédé et appareil de surveillance de canal physique de commande de liaison descendante, et station de base

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US11647406B2 (en) * 2019-05-15 2023-05-09 Mediatek Singapore Pte. Ltd. Method and apparatus for user equipment power consumption enhancement in mobile communications
CN115209442A (zh) * 2021-04-09 2022-10-18 展讯半导体(南京)有限公司 Pdcch监听方法与装置、终端和网络设备

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