WO2014134807A1 - Procédé d'économie d'énergie, équipement utilisateur et station de base - Google Patents

Procédé d'économie d'énergie, équipement utilisateur et station de base Download PDF

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Publication number
WO2014134807A1
WO2014134807A1 PCT/CN2013/072287 CN2013072287W WO2014134807A1 WO 2014134807 A1 WO2014134807 A1 WO 2014134807A1 CN 2013072287 W CN2013072287 W CN 2013072287W WO 2014134807 A1 WO2014134807 A1 WO 2014134807A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
pdcch
indication information
monitoring
receiving
Prior art date
Application number
PCT/CN2013/072287
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English (en)
Chinese (zh)
Inventor
胡振兴
熊新
宋巍巍
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380001798.5A priority Critical patent/CN104969631B/zh
Priority to PCT/CN2013/072287 priority patent/WO2014134807A1/fr
Publication of WO2014134807A1 publication Critical patent/WO2014134807A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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 invention relates to the field of communications technologies, and in particular, to a power saving method, a user equipment, and a base station. Background technique
  • the control plane connection of the UE can be maintained under the macro eNB.
  • the user plane transmission remains under the micro base station. In this way, the UE can utilize both the wide bandwidth of the micro base station for data transmission, and the mobility management problem caused by the UE moving between the micro base stations.
  • the UE may use a DRX (Discontinuous Reception) PDCCH (physical downlink control channel) for the macro base station in order to save power of the UE. Data transmission is monitored to save power.
  • the principle of the DRX is as follows: The base station configures a set of DRX parameters and corresponding timers according to the current service characteristics of the UE. The UE calculates and expands according to the configured DRX parameters and some trigger events, and terminates the activation time. The UE only monitors the PDCCH channel during the activation time. , is dormant outside the activation time, saving power.
  • the RRC (Radio Resource Control) control plane signaling is sent to the UE by the macro base station, and the control plane signaling performs only one data packet for each downlink transmission, and the UE receives the data packet.
  • the PDCCH channel will continue to be monitored according to the DRX mechanism, if there is no follow-up
  • the data packet is transmitted, and the UE enters a power saving state. Since there is only one downlink data packet, the process of the UE continuing to monitor the PDCCH channel wastes power.
  • a power saving method, a user equipment, and a base station are provided, which can solve the problem of waste of power caused by the UE monitoring the control plane signaling sent by the macro base station, and save power for the UE.
  • a power saving method including:
  • the user equipment UE monitors the physical downlink control channel PDCCH of the first base station by using the discontinuous reception DRX parameter configured by the first base station;
  • the UE After receiving the downlink resource allocation information sent by the first base station by using the PDCCH, the UE enters a power saving state.
  • entering the power saving state includes:
  • the UE After receiving the downlink resource allocation information, the UE starts the inactivity timer, and enters a dormant state after the period of the Inactivity Timer is completed; or after the UE receives the downlink resource allocation information, Go to sleep.
  • the method further includes: receiving, by the UE, the monitoring sent by the second base station by the first base station Instructing information, the interception indication information is used to indicate that the UE is listening to the PDCCH of the first base station.
  • the UE after receiving the downlink resource allocation information that is sent by the first base station by using the PDCCH, the UE enters a power saving state.
  • the UE After receiving the downlink resource allocation information, the UE starts a static timer Inactivity Timer, and stops listening to the first base station after the period of the Inactivity Timer is completed. PDCCH; or, the UE stops listening to the PDCCH of the first base station after receiving the downlink resource allocation information.
  • the interception indication information includes: a first interception indication information, where the first interception indication information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or, the second interception indication information, the second The monitoring indication information is used to indicate that the UE is listening to the PDCCH of the second base station after the interval setting time; or the third monitoring indication information, where the third monitoring indication information is used to indicate that the UE turns to the monitoring
  • the start time of the PDCCH of the second base station, the start time is represented by the system frame number SFN and the subframe subframe.
  • the period of the period of the Inactivity Timer is 0.
  • the interception indication information is carried in a radio resource control RRC message, a media access control MAC message, a physical layer message, or a physical layer signal.
  • a power saving method including:
  • the first base station configures a non-continuous receiving DRX parameter for the user equipment UE, so that the UE monitors the PDCCH of the first base station by using the DRX parameter, and receives the downlink resource allocation sent by the first base station by using the PDCCH. After the information, the UE enters a power saving state.
  • the method further includes: the first base station sending the monitoring indication information to the second base station, so that The second base station forwards the interception indication information to the UE, where the interception indication information is used to instruct the UE to listen to the PDCCH of the first base station.
  • the monitoring indication information includes: a first monitoring indication information, where the first monitoring indication information is used to indicate the UE immediately Listening to the PDCCH of the second base station; or, the second interception indication information, the second interception indication information is used to indicate that the UE listens to the second base station after the interval setting time PDCCH; or a third interception indication information, where the third interception indication information is used to indicate a start time of the PDCCH that the UE turns to the second base station, where the start time passes the system frame number SFN and the subframe subframe Said.
  • the interception indication information is carried in a radio resource control RRC message, media access Controls the sending of MAC messages, physical layer messages, or physical layer signals.
  • RRC message radio resource control
  • a user equipment including:
  • a monitoring unit configured to monitor a physical downlink control channel PDCCH of the first base station by using a discontinuous reception DRX parameter configured by the first base station;
  • the power saving unit is configured to enter a power saving state after receiving the downlink resource allocation information sent by the first base station by using the PDCCH.
  • the power saving unit includes:
  • a first power saving unit configured to start a static timer Inactivity Timer after receiving the downlink resource allocation information, and enter a sleep state after the execution of the period of the Inactivity Timer;
  • the second power saving unit is configured to enter a sleep state after receiving the downlink resource allocation information.
  • the user equipment further includes: a receiving unit, configured to receive, by the second base station, the monitoring indication information that is sent by the first base station, where the monitoring indication information is used to indicate that the user equipment is listening to the The PDCCH of a base station.
  • the power saving unit further includes:
  • a third power saving unit configured to start a static timer Inactivity Timer after receiving the downlink resource allocation information, and stop listening to the PDCCH of the first base station after the period of the Inactivity Timer is completed; or, the fourth province
  • the electrical unit is configured to stop listening to the PDCCH of the first base station after receiving the downlink resource allocation information.
  • a base station including:
  • a configuration unit configured to configure a non-continuous receiving DRX parameter for the user equipment UE, so that the UE monitors the PDCCH of the base station by using the DRX parameter, after receiving the downlink resource allocation information sent by the base station by using the PDCCH The UE enters a power saving state.
  • the base station further includes:
  • a sending unit configured to send the monitoring indication information to the second base station, to enable the second base station to forward the monitoring indication information to the UE, where the monitoring indication information is used to indicate that the UE monitors a PDCCH of the base station.
  • a user equipment including:
  • a processor configured to listen to the physical downlink control channel PDCCH of the first base station by using a discontinuous reception DRX parameter configured by the first base station; and, after receiving the downlink resource allocation information sent by the first base station by using the PDCCH , enter the power saving state.
  • the processor is specifically configured to:
  • the inactivity timer After receiving the downlink resource allocation information, the inactivity timer is started, and the sleep state is entered after the period of the Inactivity Timer is completed; or, after receiving the downlink resource allocation information, the sleep state is entered.
  • the user equipment further includes: a receiver, configured to receive, by the second base station, the interception indication information sent by the first base station, where the interception indication information is used to instruct the user equipment to monitor the The PDCCH of a base station.
  • the processor is further configured to: start a static timer after receiving the downlink resource allocation information
  • the Inactivity Timer stops listening to the PDCCH of the first base station after the period of the Inactivity Timer is completed; or stops listening to the PDCCH of the first base station after receiving the downlink resource allocation information.
  • a base station including:
  • a processor configured to configure a non-continuous receiving DRX parameter for the user equipment UE, so that the UE monitors the PDCCH of the base station by using the DRX parameter, after receiving the downlink resource allocation information sent by the base station by using the PDCCH The UE enters a power saving state.
  • the base station further includes:
  • the transmitter is configured to send the interception indication information to the second base station, so that the second base station forwards the interception indication information to the UE, where the interception indication information is used to indicate that the UE monitors the PDCCH of the base station.
  • the UE After receiving the data packet of the control plane signaling sent by the macro base station, the UE starts the timer according to the DRX mechanism to continue to monitor the macro base station. PDCCH, this monitoring process wastes power.
  • the user equipment UE monitors the physical downlink control channel PDCCH of the first base station by using the discontinuous reception DRX parameter configured by the first base station; and the UE receives the first base station.
  • the power saving state is entered. The UE can enter the power-saving state immediately after receiving the data packet of the downlink control plane signaling, and does not need to continue to monitor the PDCCH of the macro base station, thereby saving power for the UE.
  • FIG. 1 is a flowchart of a method according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method according to another embodiment of the present invention.
  • FIG. 5 is a flowchart of a method according to another embodiment of the present invention.
  • FIG. 6 and FIG. 7 are schematic structural diagrams of user equipment according to another embodiment of the present invention.
  • FIG. 8 and FIG. 9 are schematic diagrams showing the structure of a base station according to another embodiment of the present invention.
  • FIG. 10 and FIG. 11 are schematic structural diagrams of user equipment according to another embodiment of the present invention.
  • FIG. 12 and FIG. 13 are schematic diagrams showing the structure of a base station according to another embodiment of the present invention. detailed description
  • An embodiment of the present invention provides a power saving method. As shown in FIG. 1 , the method includes: 101. A user equipment UE monitors a physical downlink control channel of the first base station by using a discontinuous receiving DRX parameter configured by a first base station. PDCCH.
  • the UE is controlled by the first base station and the second base station at the same time, and the control plane connection (RRC connection) of the UE is maintained at the first base station (macro base station), and the user plane transmission of the UE is maintained at the Two base stations (secondary base stations or micro base stations), so that the control plane and the user plane of the UE can be separated, and the UE can By using the wider bandwidth of the second base station for data transmission, it is also possible to reduce the mobility management problem caused by moving between different second base stations. Therefore, in the application scenario of the present invention, the first base station sends control plane signaling to the UE, and after receiving the data packet of the control plane signaling, the UE performs a power saving operation through step 102.
  • RRC connection control plane connection
  • the DRX parameter may include only the DRX parameter used by the PDCCH of the first base station, or the DRX parameter used by the PDCCH of the first base station and the PDCCH of the second base station.
  • the UE After receiving the downlink resource allocation information sent by the first base station by using the PDCCH, the UE enters a power saving state.
  • the downlink resource allocation information may be a MAC (Media Access Control) PDU (Protocol Data Unit) of the control plane signaling.
  • MAC Media Access Control
  • PDU Protocol Data Unit
  • the UE after receiving the downlink resource allocation information sent by the first base station by using the PDCCH, the UE enters a power saving state, including:
  • the UE After receiving the downlink resource allocation information, the UE starts the inactivity timer, and enters a dormant state after the period of the Inactivity Timer is completed; or after the UE receives the downlink resource allocation information, Go to sleep. In the latter operation, after receiving the downlink resource allocation information, the UE does not start the Inactivity Timer and directly enters the sleep state.
  • the method further includes: receiving, by the UE, the interception indication information that is sent by the second base station and sent by the first base station.
  • the interception indication information is used to indicate that the UE listens to the PDCCH of the first base station.
  • the UE monitors the PDCCHs of the two base stations at the same time, and consumes additional power.
  • the UE monitors the PDCCHs of the two base stations at the same time, and consumes additional power.
  • the UE receives the control plane signaling data of the first base station, The monitoring of the first base station PDCCH is immediately stopped.
  • the UE is After receiving the downlink resource allocation information sent by the first base station by using the PDCCH, entering the power saving state includes: starting, by the UE, the static timer Inactivity Timer after receiving the downlink resource allocation information, in the period of the Inactivity Timer After the execution is complete, the PDCCH of the first base station is stopped to be monitored; or the UE stops listening to the PDCCH of the first base station after receiving the downlink resource allocation information.
  • each downlink transmission has only one data packet. Therefore, after the UE receives the downlink resource allocation information sent by the first base station, the UE should try to shorten the UE to monitor the first base station PDCCH.
  • the time that is, shorten the running cycle of the Inactivity Timer.
  • the period of the Inactivity Timer is 0.
  • the interception indication information includes: a first interception indication information, where the first interception indication information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or, the second interception indication information, the second The monitoring indication information is used to indicate that the UE is listening to the PDCCH of the second base station after the interval setting time; or the third monitoring indication information, where the third monitoring indication information is used to indicate that the UE turns to the monitoring
  • the start time of the PDCCH of the second base station, and the start time is represented by an SFN (Systerm Frame Number) and a sub-frame.
  • the interception indication information is carried in an RRC message, a MAC message, a physical layer message, or a physical layer signal.
  • the UE After receiving the data packet of the control plane signaling sent by the macro base station, the UE starts the timer according to the DRX mechanism to continue to monitor the macro base station. PDCCH, this monitoring process wastes power.
  • the user equipment UE monitors the physical downlink control channel PDCCH of the first base station by using the discontinuous reception DRX parameter configured by the first base station; and the UE receives the first base station. After the downlink resource allocation information sent by the PDCCH, the power saving state is entered.
  • the UE can enter the power-saving state immediately after receiving the data packet of the downlink control plane signaling, and does not need to continue to monitor the PDCCH of the macro base station, thereby saving power for the UE.
  • Another embodiment of the present invention provides a power saving method. As shown in FIG. 2, the method includes:
  • the first base station configures a non-continuous receiving DRX parameter for the user equipment UE, so that the UE monitors the PDCCH of the first base station by using the DRX parameter, and receives the downlink sent by the first base station by using the PDCCH. After the resource allocation information, the UE enters a power saving state.
  • the UE is controlled by the first base station and the second base station at the same time, and the control plane connection (RRC connection) of the UE is maintained at the first base station (macro base station), and the user plane transmission of the UE is maintained at the Two base stations (secondary base stations or micro base stations), so that the control plane and the user plane of the UE can be separated, and the UE can use the wider bandwidth of the second base station for data transmission, and can also move between different second base stations. Mobility management issues. Therefore, in the application scenario of the present invention, the first base station sends control plane signaling to the UE.
  • RRC connection control plane connection
  • the DRX parameter may include only the DRX parameter used by the PDCCH of the first base station, or the DRX parameter used by the PDCCH of the first base station and the PDCCH of the second base station.
  • the UE configures an Inactivity Timer according to the DRX parameter, and then monitors the PDCCH.
  • the method further includes: the first base station sending the interception indication information to the second base station, so that the second base station sends the The UE forwards the interception indication information, where the interception indication information is used to instruct the UE to listen to the PDCCH of the first base station.
  • the interception indication information includes: a first interception indication information, where the first interception indication information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or, the second interception indication information, the second The monitoring indication information is used to indicate that the UE is listening to the PDCCH of the second base station after the interval setting time; or the third monitoring indication information, where the third monitoring indication information is used to indicate that the UE turns to the monitoring Start time of the PDCCH of the second base station, the start time is passed
  • the system frame number SFN and the subframe subframe are represented.
  • the interception indication information is carried in a radio resource control RRC message, a media access control MAC message, a physical layer message, or a physical layer signal.
  • the UE After receiving the data packet of the control plane signaling sent by the macro base station, the UE starts the timer according to the DRX mechanism to continue to monitor the macro base station. PDCCH, this monitoring process wastes power.
  • the first base station configures a new set of DRX parameters for the UE, so that the UE configures the Inactivity Timer according to the parameter.
  • the UE After the UE receives the downlink resource allocation information sent by the first base station, the UE does not start the Inactivity Timer to directly enter the power-saving state, or starts an Inactivity Timer with a short period of 4, thereby greatly shortening the time for continuing to monitor the PDCCH of the first base station. Save power for the UE.
  • Another embodiment of the present invention provides a power saving method. As shown in FIG. 3, the method includes:
  • the macro base station configures the UE to receive the discontinuous reception DRX parameter.
  • the DRX parameter is used by the UE to monitor SRB (Signal Radio Bearer) data transmission on the PDCCH of the macro base station.
  • SRB Synchronization Radio Bearer
  • the macro base station sends a DRX parameter to the UE.
  • the UE configures a static timer Inactivity Timer according to the DRX parameter.
  • the static timer is started.
  • the UE When the UE receives the downlink resource allocation information sent by the macro base station, the UE does not start the inactivity timer, and the UE enters a sleep state.
  • the UE After receiving the data sent by the macro base station on the PDCCH, the UE starts or restarts the Inactivity Timer using the DRX cycle configured by the macro base station, if the UE receives the new DRX cycle again. The data, then the Inactivity Timer will restart, re-time; if the cycle is completed, the UE still does not receive new data, then the UE will enter the sleep state. For the downlink SRB data, it only has one data per transmission. Packet, so you don't need to start the Inactivity Timer to listen to the next packet, then the UE can go straight after receiving the first packet. Connect to sleep state, save UE power.
  • the power saving method in this embodiment is also applicable on the base station side.
  • the UE After receiving the data packet of the control plane signaling sent by the macro base station, the UE starts the timer according to the DRX mechanism to continue to monitor the macro base station. PDCCH, this monitoring process wastes power.
  • the user equipment UE receives the discontinuous reception DRX parameter configured by the macro base station; configures a static timer according to the DRX parameter, and uses the static timer to monitor the physical downlink control channel PDCCH of the macro base station. After receiving the downlink resource allocation information sent by the macro base station through the PDCCH, the UE does not start the inactivity timer and directly enters the sleep state.
  • the UE can enter the dormant state immediately after receiving the data packet of the downlink control plane signaling, and reduce the time for the UE to monitor the PDCCH of the macro base station, thereby saving power for the UE.
  • Another embodiment of the present invention provides a method for power saving a UE. As shown in FIG. 4, the method includes:
  • the macro base station configures the UE to receive the discontinuous reception DRX parameter.
  • the DRX parameter is used by the UE to monitor the SRB data transmission on the PDCCH of the macro base station.
  • the macro base station sends a DRX parameter to the UE.
  • the UE configures an uplink inactivity timer and a downlink inactivity timer according to the DRX parameter.
  • the UE After receiving the data on the PDCCH, the UE starts or restarts the Inactivity timer using the period configured by the macro base station. During the running period, if the UE receives new data, the Inactivity timer will restart and re-time; if the period runs, The UE still does not receive new data, then the UE goes to sleep.
  • the downlink static timer has a cycle time length of zero.
  • the downlink inactivity timer is not required to start the timer to monitor the next data packet using the period configured by the macro base station, that is, the period of the downlink inactivity timer can be set. If it is 0, then when the UE receives the data packet, it will directly enter the sleep state, saving the UE power.
  • the period of the downlink inactivity timer can also be set to a smaller value, so that the UE can quickly enter the power saving state.
  • the UE After the periodic operation of the downlink inactivity timer ends, the UE enters a sleep state.
  • the power saving method in this embodiment is also applicable on the base station side.
  • the user equipment UE receives the discontinuous reception DRX parameter configured by the macro base station; configures the uplink inactivity timer and the downlink inactivity timer according to the DRX parameter, and uses the two static timers to monitor the macro base.
  • the UE after receiving the downlink resource allocation information sent by the macro base station by using the PDCCH, the UE starts a downlink inactivity timer, and waits for the UE to enter a sleep state after the period of the downlink inactivity timer is completed;
  • the downlink inactivity timer has a period duration of zero.
  • the UE can enter the sleep state immediately after receiving the data packet of the downlink control plane signaling, and reduce the time for the UE to monitor the PDCCH of the macro base station, thereby saving power for the UE.
  • Another embodiment of the present invention provides a method for power saving a UE. As shown in FIG. 5, the method includes: 501: A macro base station configures a discontinuous reception DRX parameter for a UE.
  • the DRX parameter is used by the UE to monitor data transmission on a physical downlink control channel PDCCH of the macro base station and the micro base station.
  • the macro base station and the micro base station cover the same UE, where the micro base station is configured to enable the UE to enjoy high locations where there are many mobile UE users.
  • the user plane connection of the UE is maintained under the macro base station, and the user plane transmission of the UE is maintained under the micro base station. Separating the user plane and the control plane of the UE enables the UE to utilize the wide bandwidth of the micro base station for data transmission and the mobility management problem when the UE switches between different micro base stations.
  • the macro base station sends a DRX parameter to the UE.
  • the UE configures a static timer according to the DRX parameter, and performs monitoring on the PDCCH channel of the micro base station.
  • the macro base station sends the SRB data to the UE, the macro base station sends the monitoring indication information to the micro base station.
  • the indication information may include: an identifier of the indicated UE, for example, a C-RNTI (Cell-Radio Temporary Identifier) of the UE, and optionally, the indication information may further include: a monitoring indication information, the first monitoring indication information is used to indicate that the UE immediately listens to the PDCCH of the micro base station, that is, the UE immediately listens to the PDCCH of the micro base station after receiving the first monitoring indication information; or, the second monitoring Instructing information, the second interception indication information is used to indicate that the UE listens to the PDCCH of the micro base station after the interval setting time, that is, after receiving the second interception indication information, the UE waits for a period of time and then listens to the micro PDCCH.
  • a C-RNTI Cell-Radio Temporary Identifier
  • the third interception indication information is used to indicate a start time of the PDCCH that the UE turns to the micro base station, that is, the third intercept indication information includes a time point.
  • the UE is designated to listen to the PDCCH of the micro base station at the time point, where the start time passes the SFN (System Frame Number) and Sub frame represents a frame, e.g., the start time is expressed in the form of SFN + sub frame.
  • SFN System Frame Number
  • the UE when the control plane connection of the UE is maintained in the macro base station, and the user plane transmission is maintained at the micro base station, the UE is preferentially monitored for data transmission on the PDCCH of the micro base station, and if the macro base station has data to be transmitted to the UE, the macro base station First, the monitoring indication information is sent to the micro base station, and the monitoring indication information is forwarded to the UE by the micro base station, so that the UE monitors the PDCCH of the macro base station; after receiving the data sent by the PDCCH on the macro base station, the UE stops monitoring the PDCCH of the macro base station. . So the UE does not have to monitor frequently Listening to the PDCCH of the macro base station saves the power of the UE.
  • the micro base station forwards the interception indication information to the UE.
  • the UE monitors the PDCCH channel of the macro base station according to the interception indication information.
  • the static timer is not started.
  • the UE After receiving the data sent by the macro base station on the PDCCH, the UE starts or restarts the Inactivity Timer using the DRX cycle configured by the macro base station, if the UE receives the new DRX cycle again. The data, then the Inactivity Timer will restart, re-time; if the cycle is completed, the UE still does not receive new data, then the UE will enter the sleep state.
  • the downlink SRB data it only has one data per transmission. Packet, so there is no need to start the Inactivity Timer to listen to the next data packet, then when the UE receives the first data packet, it can directly enter the sleep state, saving the UE power.
  • the period of the inactivity timer can also be set to a small value, so that the UE can start the inactivity timer when receiving the downlink SRB data, because the period value is small, The timer will run for a short period of time, causing the UE to go to sleep.
  • the period can be set to zero.
  • the UE After receiving the SRB data sent by the macro base station, the UE stops listening to the data transmission on the PDCCH of the macro base station.
  • the UE After receiving the data packet of the control plane signaling sent by the macro base station, the UE starts the timer according to the DRX mechanism to continue to monitor the macro base station. PDCCH, this monitoring process wastes power.
  • the user equipment UE receives the discontinuous reception DRX parameter configured by the macro base station; configures a static timer according to the DRX parameter, and uses the static timer to monitor the physical downlink control channel PDCCH of the macro base station. After receiving the downlink resource allocation information sent by the macro base station through the PDCCH, the UE does not start the inactivity timer and directly enters the sleep state.
  • the UE can enter the dormant state immediately after receiving the data packet of the downlink control plane signaling, and reduce the time for the UE to monitor the PDCCH of the macro base station, Save UE power.
  • the UE controls the PDCCH of the macro base station to be monitored by the UE, so that the UE can monitor only the PDCCH of the micro base station most of the time, thereby saving the UE power.
  • Another embodiment of the present invention provides a user equipment 60. As shown in FIG. 6, the user equipment 60 includes:
  • the monitoring unit 61 is configured to monitor the physical downlink control channel PDCCH of the first base station by using a discontinuous reception DRX parameter configured by the first base station;
  • the power saving unit 62 is configured to enter a power saving state after receiving the downlink resource allocation information sent by the first base station through the PDCCH.
  • the power saving unit 62 may further include:
  • the first power saving unit 621 is configured to start a static timer Inactivity Timer after receiving the downlink resource allocation information, and enter a sleep state after the execution of the period of the Inactivity Timer; or
  • the second power saving unit 622 is configured to enter a sleep state after receiving the downlink resource allocation information.
  • the user equipment 60 may further include:
  • the receiving unit 63 is configured to receive, by the second base station, the interception indication information that is sent by the first base station, where the interception indication information is used to instruct the user equipment to monitor the PDCCH of the first base station.
  • the power saving unit 62 may further include:
  • the third power saving unit 623 is configured to start the static timer Inactivity Timer after receiving the downlink resource allocation information, and stop listening to the PDCCH of the first base station after the period of the Inactivity Timer is completed; or
  • the fourth power saving unit 624 is configured to stop listening to the PDCCH of the first base station after receiving the downlink resource allocation information.
  • the interception indication information includes: a first interception indication information, where the first interception indication information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or, the second interception indication information, the second The monitoring indication information is used to indicate that the UE is listening to the PDCCH of the second base station after the interval setting time; or the third monitoring indication information, where the third monitoring indication information is used to indicate that the UE turns to the monitoring
  • the start time of the PDCCH of the second base station, the start time is represented by the system frame number SFN and the subframe subframe.
  • the interception indication information is carried in a radio resource control RRC message, a media access control MAC message, a physical layer message, or a physical layer signal.
  • the user equipment UE60 starts the monitoring of the macro base according to the DRX mechanism after receiving the data packet of the control plane signaling sent by the macro base station.
  • the PDCCH of the station wastes power.
  • the user equipment UE60 monitors the physical downlink control channel PDCCH of the first base station by using the discontinuous reception DRX parameter configured by the first base station; the UE 60 receives the first base station. After the downlink resource allocation information sent by the PDCCH, the power saving state is entered.
  • the UE 60 can enter the power-saving state immediately after receiving the data packet of the downlink control plane signaling, and does not need to continue to monitor the PDCCH of the macro base station, thereby saving power for the UE 60.
  • a base station 70 includes: a configuration unit 71, configured to configure, for a user equipment UE, discontinuous reception of DRX parameters, so that the UE uses the DRX.
  • the parameter monitors the PDCCH of the base station 70, and after receiving the downlink resource allocation information sent by the base station 70 through the PDCCH, the UE enters a power saving state.
  • the base station 70 may further include:
  • the sending unit 72 is configured to send, to the second base station, the interception indication information, so that the second base station forwards the interception indication information to the UE, where the snoop indication information is used to indicate that the UE monitors the base station 70. PDCCH.
  • the monitoring indication information includes: first monitoring indication information, the first monitoring indication The information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or the second interception indication information, where the second interception indication information is used to indicate that the UE listens to the second base station after the interval setting time a PDCCH; or a third interception indication information, where the third interception indication information is used to indicate a start time of the PDCCH that the UE turns to the second base station, where the start time passes the system frame number SFN and the subframe Said by subframe.
  • the interception indication information is carried in a radio resource control RRC message, a media access control MAC message, a physical layer message, or a physical layer signal.
  • the base station 70 configures a new set of DRX parameters for the UE, so that the UE configures the Inactivity Timer according to the parameter.
  • the UE After the UE receives the downlink resource allocation information sent by the base station 70, the UE does not start the Inactivity Timer to directly enter the power-saving state, or starts an Inactivity Timer with a short period of 4, which greatly shortens the time for continuing to monitor the PDCCH of the base station 70, and is the UE. Save energy.
  • Another embodiment of the present invention provides a user equipment 80. As shown in FIG. 10, the user equipment 80 includes:
  • the processor 81 is configured to monitor, by using the discontinuous reception DRX parameter configured by the first base station, the physical downlink control channel PDCCH of the first base station, and the downlink resource allocation information that is sent by using the PDCCH by the first base station. After that, enter the power saving state.
  • the processor is specifically configured to: after receiving the downlink resource allocation information, start a static timer Inactivity Timer, and enter a sleep state after the period of the Inactivity Timer is completed; or, receive the downlink resource. After the information is assigned, it goes to sleep.
  • the user equipment 80 may further include:
  • the receiver 82 is configured to receive, by the second base station, the interception indication information that is sent by the first base station, where the interception indication information is used to indicate that the user equipment 80 listens to the PDCCH of the first base station.
  • the processor is further configured to: after receiving the downlink resource allocation information, start a static timer Inactivity Timer, and stop listening to the PDCCH of the first base station after the period of the Inactivity Timer is completed; or Stop receiving the PDCCH of the first base station after receiving the downlink resource allocation information.
  • the period of the period of the Inactivity Timer is 0.
  • the interception indication information includes: a first interception indication information, where the first interception indication information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or, the second interception indication information, the second The monitoring indication information is used to indicate that the UE is listening to the PDCCH of the second base station after the interval setting time; or the third monitoring indication information, where the third monitoring indication information is used to indicate that the UE turns to the monitoring
  • the start time of the PDCCH of the second base station, the start time is represented by the system frame number SFN and the subframe subframe.
  • the interception indication information is carried in a radio resource control RRC message, a media access control MAC message, a physical layer message, or a physical layer signal.
  • the user equipment UE80 starts the monitoring of the macro base according to the DRX mechanism after receiving the data packet of the control plane signaling sent by the macro base station.
  • the PDCCH of the station wastes power.
  • the user equipment UE80 monitors the physical downlink control channel PDCCH of the first base station by using the discontinuous reception DRX parameter configured by the first base station; the UE 80 receives the first base station. After the downlink resource allocation information sent by the PDCCH, the power saving state is entered.
  • the UE 80 can enter the power-saving state immediately after receiving the data packet of the downlink control plane signaling, and does not need to continue to monitor the PDCCH of the macro base station, thereby saving power for the UE 80.
  • a base station 90 includes: a processor 91, configured to configure, for a user equipment UE, a discontinuous reception DRX parameter, so that the UE The PDCCH of the base station 90 is monitored by using the DRX parameter, and after receiving the downlink resource allocation information sent by the base station 90 through the PDCCH, the UE enters a power saving state.
  • the base station 90 may further include:
  • the transmitter 92 is configured to send the interception indication information to the second base station, so that the second base station forwards the interception indication information to the UE, where the interception indication information is used to indicate that the UE monitors the base station 90. PDCCH.
  • the interception indication information includes: a first interception indication information, where the first interception indication information is used to indicate that the UE immediately listens to the PDCCH of the second base station; or, the second interception indication information, the second The monitoring indication information is used to indicate that the UE is listening to the PDCCH of the second base station after the interval setting time; or the third monitoring indication information, where the third monitoring indication information is used to indicate that the UE turns to the monitoring
  • the start time of the PDCCH of the second base station, the start time is represented by the system frame number SFN and the subframe subframe.
  • the interception indication information is carried in a radio resource control RRC message, a media access control MAC message, a physical layer message, or a physical layer signal.
  • the base station 90 configures a new set of DRX parameters for the UE, so that the UE configures the Inactivity Timer according to the parameter.
  • the UE After the UE receives the downlink resource allocation information sent by the base station 90, the UE does not start the Inactivity Timer to directly enter the power-saving state, or starts an Inactivity Timer with a short period of 4, which greatly shortens the time for continuing to monitor the PDCCH of the base station 90, and is the UE. Save energy.
  • the user equipment and the base station provided by the embodiments of the present invention may implement the foregoing method embodiments.
  • the power saving method, the user equipment, and the base station provided by the embodiment of the present invention may be applicable to the PDCCH information that the user equipment UE listens to the base station. Data transmission on the road, but not limited to this.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • ROM read-only memory
  • RAM random access memory

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

Abstract

Le mode de réalisation de la présente invention concerne un procédé d'économie d'énergie, un équipement utilisateur et une station de base, et se rapporte au domaine technique des communications. Le procédé comprend les étapes suivantes : l'équipement utilisateur (UE) surveille le canal de contrôle physique en liaison descendante (PDCCH) d'une première station de base à l'aide d'un paramètre de réception discontinue (DRX) configuré par la première station de base ; et l'UE entre dans l'état d'économie d'énergie après la réception des informations d'attribution de ressources de liaison descendante envoyées par la première station de base par l'intermédiaire du PDCCH. La présente invention s'applique à la surveillance de l'équipement utilisateur (UE) pour une transmission de données sur le PDCCH de la station de base.
PCT/CN2013/072287 2013-03-07 2013-03-07 Procédé d'économie d'énergie, équipement utilisateur et station de base WO2014134807A1 (fr)

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CN201380001798.5A CN104969631B (zh) 2013-03-07 2013-03-07 省电方法、用户设备及基站
PCT/CN2013/072287 WO2014134807A1 (fr) 2013-03-07 2013-03-07 Procédé d'économie d'énergie, équipement utilisateur et station de base

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CN109842937B (zh) * 2017-09-20 2021-11-19 维沃移动通信有限公司 信息传输方法、网络设备、终端及计算机可读存储介质
CN110868749B (zh) * 2018-08-28 2021-09-21 华为技术有限公司 通信方法、装置及存储介质
CN113038582B (zh) * 2019-02-13 2023-02-17 北京小米移动软件有限公司 一种省电信号模式的使用方法、装置及终端
CN112351477B (zh) * 2019-08-08 2022-04-15 大唐移动通信设备有限公司 物理下行控制信道的传输、检测方法、网络设备及终端
CN113965941A (zh) * 2020-07-20 2022-01-21 维沃移动通信有限公司 信道监听方法、装置及通信设备
WO2024098300A1 (fr) * 2022-11-09 2024-05-16 北京小米移动软件有限公司 Procédé et appareil de transmission d'informations de configuration, et support de stockage lisible

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