CN104969631A - Power-saving method, user equipment and base station - Google Patents

Power-saving method, user equipment and base station Download PDF

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Publication number
CN104969631A
CN104969631A CN201380001798.5A CN201380001798A CN104969631A CN 104969631 A CN104969631 A CN 104969631A CN 201380001798 A CN201380001798 A CN 201380001798A CN 104969631 A CN104969631 A CN 104969631A
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China
Prior art keywords
base station
pdcch
configured information
received
user equipment
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CN201380001798.5A
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CN104969631B (en
Inventor
胡振兴
熊新
宋巍巍
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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

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

Abstract

Disclosed in the embodiment of the present invention are a power-saving method, user equipment and a base station, relating to the technical field of communications. The method comprises: the user equipment (UE) monitoring the physical downlink control channel (PDCCH) of a first base station by using a discontinuous reception (DRX) parameter configured by the first base station; and the UE entering the power-saving state after receiving the downlink resource allocation information sent by the first base station through the PDCCH. The present invention is applicable to monitoring of the user equipment (UE) for data transmission on the PDCCH of the base station.

Description

Power-saving method, user equipment and base station
Electricity saving method, user equipment station technical field
The present invention relates to communication technical field, more particularly to a kind of electricity saving method, user equipment and base station.Background technology
With the development of mobile communication technology, and 3G (3rd Generation, 3rd generation mobile communication technology）With 4G (4rd Generation, forth generation mobile communication technology）The large scale deployment of network, the data service of high-speed has brought colourful application experience.Due to the extensive growth of user group, in order to tackle the sharp increase of mobile data services flow, operator proposes the scene of small cell deployment.I.e. in the more place of mobile subscriber, the less cell of area coverage is disposed to high-density, for example, Small Cell (cells）With Small eNB (Small evolved Node B, micro-base station；), prothetic group station is may also be referred to as, more users is enjoyed the data service of high-speed.Meanwhile, in order to which cylinder is in Macro eNB (Macro evolved Node B, macro base station）With micro-base station with UE (the User Equipment, user equipment under covering）Mobile management, the connection of UE chain of command can be maintained under macro base station, user plane transmission is maintained under micro-base station.So UE can both be carried out data transmission using the wider bandwidth of micro-base station, and the mobile management problem that cylinder UE is brought when being moved between micro-base station.
When under controls of the UE simultaneously in macro base station and micro-base station, in order to save UE electric energy, UE can use DRX (Discontinuous Reception, discontinuous reception）To scheduling channel PDCCH (the physical downlink control channel, Physical Downlink Control Channel of macro base station）Data transfer monitored, to save electric energy.DRX principle is：Base station is according to UE current business characteristics, configure one group of DRX parameter and corresponding timer, UE is calculated according to the DRX parameters of configuration and some trigger events, extension, terminate activationary time, UE monitors PDCCH channels only in activationary time, outside activationary time in a dormant state, electric energy is saved.
In the prior art, RRC (Radio Resource Control, wireless heterogeneous networks) control plane signaling be all that UE is sent to by macro base station, control each carry out downlink transfer only one of which packet of plane signaling, UE can continue to monitor PDCCH channels after packet is received according to DRX mechanism, if without follow-up Packet transmission, then UE enters power down mode.Due to only one of which downlink data packet, so the process that UE continues to monitor PDCCH channels wastes electric energy.The content of the invention
A kind of electricity saving method, user equipment and base station are provided, can solve the problem that UE monitors the waste of energy problem brought during the control plane signaling of macro base station transmission, is that UE saves electric energy.First aspect there is provided a kind of electricity saving method, including：
The discontinuous reception DRX parameters that user equipment (UE) is configured using first base station monitor the physical downlink control channel PDCCH of the first base station;
The UE is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
In the first possible implementation, the UE includes after the downlink resource distribution information that the first base station is sent by PDCCH is received into power down mode：
The UE starts static timer Inactivity Timer after the downlink resource distribution information is received, and resting state is entered after being finished in the cycle of the Inactivity Timer；Or, the UE is after the downlink resource distribution information is received, into resting state.
Optionally, before the UE DRX parameters configured using first base station monitor the PDCCH of the first base station, methods described also includes：The UE receives the monitoring configured information sent by the first base station of the second base station forwarding, and the monitoring configured information is used for the PDCCH for indicating that the UE monitors the first base station.
With reference to the first possible implementation of first aspect, in second of possible implementation, the UE includes after the downlink resource distribution information that the first base station is sent by PDCCH is received into power down mode：
The UE starts static timer Inactivity Timer after the downlink resource distribution information is received, and the first base station is ceased listening for after being finished in the cycle of the Inactivity Timer PDCCH;Or, the UE ceases listening for the PDCCH of the first base station after the downlink resource distribution information is received.
Wherein, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
With reference to second of possible implementation of the first possible implementation or first aspect of first aspect, in the third possible implementation, the time span in the cycle of the Inactivity Timer is 0.
Wherein, the monitoring configured information is carried sends in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.Second aspect there is provided a kind of electricity saving method, including：
First base station is that user equipment (UE) configures discontinuous reception DRX parameters, to cause the UE to be monitored using the DRX parameters the PDCCH of the first base station, after the downlink resource distribution information that the first base station is sent by PDCCH is received, the UE enters power down mode.
In the first possible implementation, after the first base station is user equipment (UE) configuration discontinuous reception DRX parameters, methods described also includes：The first base station sends to the second base station and monitors configured information, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the first base station.
With reference to the first possible implementation of second aspect, in second of possible implementation, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used to indicate that the UE monitors second base station after the setting time of interval PDCCH;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
With reference to second of possible implementation of the first possible implementation or second aspect of second aspect, in the third possible implementation, the monitoring configured information is carried to be sent in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.The third aspect there is provided a kind of user equipment, including：
Monitoring unit, the discontinuous reception DRX parameters for being configured using first base station monitor the physical downlink control channel PDCCH of the first base station;
Electric unit is saved, for after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
In the first possible implementation, province's electric unit includes：
First province's electric unit, for starting static timer Inactivity Timer after the downlink resource distribution information is received, enters resting state after being finished in the cycle of the Inactivity Timer；Or,
Second province's electric unit, for after the downlink resource distribution information is received, into resting state.Optionally, the user equipment also includes：Receiving unit, the monitoring configured information sent by the first base station for receiving the forwarding of the second base station, the monitoring configured information is used for the PDCCH for indicating that the user equipment monitors the first base station.
With reference to the first possible implementation of the third aspect, in second of possible implementation, province's electric unit also includes：
3rd province's electric unit, for starting static timer Inactivity Timer after the downlink resource distribution information is received, ceases listening for the PDCCH of the first base station after being finished in the cycle of the Inactivity Timer;Or, the 4th province's electric unit, the PDCCH for ceasing listening for the first base station after the downlink resource distribution information is received. With reference to second of possible implementation of the first possible implementation or the third aspect of the third aspect, in the third possible implementation, the time span in the cycle of the Inactivity Timer is
0.Fourth aspect there is provided a kind of base station, including：
Dispensing unit, for configuring discontinuous reception DRX parameters for user equipment (UE), to cause the UE to be monitored using the DRX parameters the PDCCH of the base station, after the downlink resource distribution information that the base station is sent by PDCCH is received, the UE enters power down mode.
In the first possible implementation, the base station also includes：
Transmitting element, configured information is monitored for being sent to the second base station, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the base station.There is provided a kind of user equipment in terms of 5th, including：
Processor, the discontinuous reception DRX parameters for being configured using first base station monitor the physical downlink control channel PDCCH of the first base station;And, for after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
In the first possible implementation, the processor specifically for：
Start static timer Inactivity Timer after the downlink resource distribution information is received, resting state is entered after being finished in the cycle of the Inactivity Timer；Or, after the downlink resource distribution information is received, into resting state.
Optionally, the user equipment also includes：Receiver, the monitoring configured information sent by the first base station for receiving the forwarding of the second base station, the monitoring configured information is used for the PDCCH for indicating that the user equipment monitors the first base station.
With reference to the first possible implementation of the 5th aspect, in second of possible implementation, the processing implement body is additionally operable to：Start static timer after the downlink resource distribution information is received Inactivity Timer, cease listening for the PDCCH of the first base station after being finished in the cycle of the Inactivity Timer;Or, the PDCCH of the first base station is ceased listening for after the downlink resource distribution information is received.
With reference to the first possible implementation or second of possible implementation of the 5th aspect of the 5th aspect, in the third possible implementation, the time span in the cycle of the Inactivity Timer is 0.There is provided a kind of base station in terms of 6th, including：
Processor, for configuring discontinuous reception DRX parameters for user equipment (UE), to cause the UE to be monitored using the DRX parameters the PDCCH of the base station, after the downlink resource distribution information that the base station is sent by PDCCH is received, the UE enters power down mode.
In the first possible implementation, the base station also includes：
Transmitter, configured information is monitored for being sent to the second base station, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the base station.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, the discontinuous reception DRX parameters that user equipment (UE) is configured using first base station in the embodiment of the present invention monitor the physical downlink control channel PDCCH of the first base station;The UE is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.UE can be made to immediately enter the state of power saving after the packet of descending control plane signaling is received, the PDCCH without continuing monitoring macro base station is that UE saves electric energy.Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or existing The accompanying drawing used required in technology description is made cylinder and singly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The method flow diagram that Fig. 1 provides for one embodiment of the invention；
The method flow diagram that Fig. 2 provides for another embodiment of the present invention；
The method flow diagram that Fig. 3 provides for another embodiment of the present invention；
The method flow diagram that Fig. 4 provides for another embodiment of the present invention；
The method flow diagram that Fig. 5 provides for another embodiment of the present invention；
The user device architecture schematic diagram that Fig. 6, Fig. 7 provide for another embodiment of the present invention；
The architecture of base station schematic diagram that Fig. 8, Fig. 9 provide for another embodiment of the present invention；
The user device architecture schematic diagram that Figure 10, Figure 11 provide for another embodiment of the present invention；
The architecture of base station schematic diagram that Figure 12, Figure 13 provide for another embodiment of the present invention.Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
To make the advantage of technical solution of the present invention clearer, the present invention is elaborated with reference to the accompanying drawings and examples.One embodiment of the invention provides a kind of electricity saving method, as shown in figure 1, methods described includes：101st, the discontinuous reception DRX parameters that user equipment (UE) is configured using first base station monitor the physical downlink control channel PDCCH of the first base station.
It should be noted that the UE is controlled by first base station and the second base station simultaneously, the chain of command connection (RRC connections) of the UE maintains first base station（Macro base station）, the user plane of the UE, which is transmitted, maintains the second base station（Prothetic group station or micro-base station）, can so make UE chain of command and user plane separation, UE , again can the mobile management problem brought when being moved between the second different base stations of cylinder to be carried out data transmission using the wider bandwidth in the second base station.Therefore, in application scenarios of the invention, control plane signaling is sent from first base station to UE, UE performs power-save operation after the packet of control plane signaling is received by step 102.
Optionally, the DRX parameters can only include monitoring DRX parameters used in the PDCCH of first base station, or include monitoring DRX parameters used in the PDCCH of the first base station and PDCCH of the second base station simultaneously.
102nd, UE is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
Wherein, the downlink resource distribution information can be MAC (the Media Access Control, media access control of chain of command signaling）PDU (Protocol Data Unit, protocol Data Unit）.
For example, the UE includes after the downlink resource distribution information that the first base station is sent by PDCCH is received into power down mode：
The UE starts static timer Inactivity Timer after the downlink resource distribution information is received, and resting state is entered after being finished in the cycle of the Inactivity Timer；Or, the UE is after the downlink resource distribution information is received, into resting state.Wherein, in latter operation, UE does not start Inactivity Timer after downlink resource distribution information is received, and is directly entered resting state.
Optionally, if first base station will send chain of command signaling data to UE, UE is only monitoring the PDCCH of the second base station, then first base station needs to send the PDCCH that corresponding message informing UE goes monitoring first base station.For example, before the UE DRX parameters configured using first base station monitor the PDCCH of the first base station, methods described also includes：The UE receives the monitoring configured information sent by the first base station of the second base station forwarding, and the monitoring configured information is used for the PDCCH for indicating that the UE monitors the first base station.
In above-mentioned scene, UE can while listening for two base stations PDCCH, extra electric energy can be consumed, in order to make UE only monitor the PDCCH of a base station within the most of the time, stop the monitoring to first base station PDCCH immediately after UE has received the chain of command signaling data of first base station.For example, the UE exists Receive the first base station to distribute after information by the PDCCH downlink resources sent, include into power down mode：The UE starts static timer Inactivity Timer after the downlink resource distribution information is received, and the PDCCH of the first base station is ceased listening for after being finished in the cycle of the Inactivity Timer;Or, the UE ceases listening for the PDCCH of the first base station after the downlink resource distribution information is received.
Wherein, when first base station is to UE transmission chain of command signaling data bags, downlink transfer only one of which packet each time, therefore after the UE downlink resources for receiving first base station transmission distribute information, to shorten the time that UE monitors first base station PDCCH as far as possible, that is, shorten the Inactivity Timer cycle of operation.It is preferred that, when the UE starts Inactivity Timer, the time span in the cycle of the Inactivity Timer is 0.
Wherein, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, 3rd monitors configured information, the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, the initial time is represented by SFN (Systerm Frame Number, loyal number of system) and son chastity subframe.
Wherein, the monitoring configured information is carried sends in RRC information, MAC message, physical layer message or physical layer signal.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, the discontinuous reception DRX parameters that user equipment (UE) is configured using first base station in the embodiment of the present invention monitor the physical downlink control channel PDCCH of the first base station;The UE is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.UE can be made to immediately enter the state of power saving after the packet of descending control plane signaling is received, the PDCCH without continuing monitoring macro base station is that UE saves electric energy. Another embodiment of the present invention provides a kind of electricity saving method, as shown in Fig. 2 methods described includes：
201st, first base station is that user equipment (UE) configures discontinuous reception DRX parameters, to cause the UE to be monitored using the DRX parameters the PDCCH of the first base station, after the downlink resource distribution information that the first base station is sent by PDCCH is received, the UE enters power down mode.
It should be noted that the UE is controlled by first base station and the second base station simultaneously, the chain of command connection (RRC connections) of the UE maintains first base station（Macro base station）, the user plane of the UE, which is transmitted, maintains the second base station（Prothetic group station or micro-base station）, it can so make UE chain of command and user plane separation, UE is that the bandwidth that the second base station can be used wider carries out data transmission, again can the mobile management problem brought when being moved between the second different base stations of cylinder.Therefore, in application scenarios of the invention, control plane signaling is sent from first base station to UE.
Optionally, the DRX parameters can only include monitoring DRX parameters used in the PDCCH of first base station, or include monitoring DRX parameters used in the PDCCH of the first base station and PDCCH of the second base station simultaneously.UE is monitored PDCCH according to the DRX parameter configurations Inactivity Timer.
Optionally, if first base station will send chain of command signaling data to UE, UE is only monitoring the PDCCH of the second base station, then first base station needs to send the PDCCH that corresponding message informing UE goes monitoring first base station.For example, after the first base station is user equipment (UE) configuration discontinuous reception DRX parameters, methods described also includes：The first base station sends to the second base station and monitors configured information, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the first base station.
Wherein, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time passes through System frame number SFN and subframe subframe are represented.
Wherein, the monitoring configured information is carried sends in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, first base station is that UE configures one group of new DRX parameter in the embodiment of the present invention so that UE is according to parameter configuration Inactivity Timer.After UE receives the downlink resource distribution information of first base station transmission, UE does not start Inactivity Timer and is directly entered power down mode, or start the blunt short Inactivity Timer of a cycle 4, it is that UE saves electric energy so as to greatly shorten the time for the PDCCH for continuing to monitor first base station.Another embodiment of the present invention provides a kind of electricity saving method, as shown in figure 3, methods described includes：
301st, macro base station is that UE configures discontinuous reception DRX parameters.
Wherein, the DRX parameters are used for UE to SRB (the Signal Radio Bearer, Signaling Radio Bearer on the PDCCH of macro base station）Data transfer is monitored.
302nd, macro base station sends DRX parameters to UE.
303rd, UE is according to the static timer Inactivity Timer of DRX parameter configurations.
304th, when the UE ascending resources for receiving macro base station transmission distribute information, static timer is started.
305th, when the UE downlink resources for receiving macro base station transmission distribute information, static timer is not started, UE enters resting state.
Wherein, in DRX mechanism, after UE receives the data that macro base station is sent on PDCCH, the DRX cycle that macro base station will be used to configure starts or restarted Inactivity Timer and running in the DRX cycles, if UE receives new data again, so Inactivity Timer will restart, reclocking；If periodic duty is finished, UE is still not received by new data, then UE will enter resting state.For descending SRB data, it transmits only one of which packet every time, therefore need not start the next packet of Inactivity Timer monitorings, then just can be straight after UE receives first packet Tap into resting state, save UE electricity.
If it should be noted that there is also the data transfer of control plane signaling between micro-base station side and UE, then the electricity saving method in the present embodiment is equally applicable in base station side.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, user equipment (UE) receives the discontinuous reception DRX parameters of macro base station configuration in the embodiment of the present invention；According to the static timer of DRX parameter configurations, the physical downlink control channel PDCCH of the macro base station is monitored using the static timer;The UE does not start static timer, is directly entered resting state after the downlink resource distribution information that the macro base station is sent by PDCCH is received.UE can be made to immediately enter resting state after the packet of descending control plane signaling is received, the time that UE monitors the PDCCH of macro base station is reduced, be that UE saves electric energy.Another embodiment of the present invention provides a kind of UE electricity saving methods, as shown in figure 4, methods described includes：
401st, macro base station is that UE configures discontinuous reception DRX parameters.
Wherein, the DRX parameters are monitored the SRB data transfers on the PDCCH of macro base station for UE.
402nd, macro base station sends DRX parameters to UE.
403rd, UE is according to the up static timer of DRX parameter configurations and descending static timer.
404th, when the UE ascending resources for receiving macro base station transmission distribute information, start up static timing and cry mouth.
405th, when the UE downlink resources for receiving macro base station transmission distribute information, start descending static timing and cry mouth.
Wherein, in DRX mechanism, after UE receives the data on PDCCH, the cycle that macro base station will be used to configure starts or restarted Inactivity timer.Running in the cycle, if UE receives new data again, then Inactivity timer will restart, reclocking；If periodic duty is finished, UE is still not received by new data, then UE will enter resting state.
It is preferred that, the cycle time length of the descending static timer is 0.For descending SRB data, it transmits only one of which packet every time, therefore the cycle for not needing descending static timer to be configured using macro base station is started the timer and monitors next packet, the cycle of descending static timer can be set to 0, resting state so will be directly entered after packet when UE is received, UE electricity is saved.
Optionally, the cycle of descending static timer may be arranged as a less value, so that UE can rapidly enter power down mode.
406th, after the periodic duty of descending static timer terminates, UE enters resting state.
If it should be noted that there is also the data transfer of control plane signaling between micro-base station side and UE, then the electricity saving method in the present embodiment is equally applicable in base station side.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, user equipment (UE) receives the discontinuous reception DRX parameters of macro base station configuration in the embodiment of the present invention；According to the up static timer of DRX parameter configurations and descending static timer, the physical downlink control channel PDCCH of the macro base station is monitored using two kinds of static timers；The UE starts descending static timer, after the periodic duty of the descending static timer of wait is finished, UE enters resting state after the downlink resource distribution information that the macro base station is sent by PDCCH is received；It is preferred that, the cycle duration of the descending static timer is 0.UE can be made to immediately enter resting state after the packet of descending control plane signaling is received, the time that UE monitors the PDCCH of macro base station is reduced, be that UE saves electric energy.Another embodiment of the present invention provides a kind of UE electricity saving methods, as shown in figure 5, methods described includes：501st, macro base station is that UE configures discontinuous reception DRX parameters.
Wherein, the DRX parameters are monitored data transfer in the physical downlink control channel PDCCH of the macro base station and micro-base station for the UE.For example, the macro base station and the micro-base station cover same UE, wherein, the micro-base station is able to make UE enjoy high in the more place of mobile UE user The data service of speed and set up, for cylinder UE mobile management, UE user plane connection is maintained under macro base station, UE user plane transmission is maintained under micro-base station.Accomplish UE user plane and chain of command separation, UE can either be made to carry out data transmission using the wider bandwidth of micro-base station, again being capable of mobile management problems of cylinder UE when switching between different micro-base stations.
502nd, macro base station sends DRX parameters to UE.
503rd, UE is monitored according to the static timer of DRX parameter configurations, and to the PDCCH channels of micro-base station.
504th, when macro base station has SRB data to be sent to the UE, macro base station sends to the micro-base station and monitors configured information.
Wherein, the monitoring configured information can include：C-RNTI (the Cell Radio Network Temporary Identifier, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of the mark for the UE being instructed to, such as UE；)；Optionally, the configured information can also include：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH that the PDCCH of the micro-base station, i.e. UE monitor micro-base station immediately after the first monitoring configured information is received immediately;Or, second monitors configured information, the second monitoring configured information is used for the PDCCH for indicating that the UE monitors the micro-base station after the setting time of interval, i.e. UE first waits for a period of time after the second monitoring configured information is received and removes the PDCCH for monitoring micro-base station again;Or, 3rd monitors configured information, the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring the micro-base station, i.e. the 3rd monitored in configured information comprising a time point, UE is specified to monitor the PDCCH of micro-base station at this time point, the initial time passes through SFN (System Frame Number, System Frame Number）Represented with subframe sub frame, for example, the initial time is represented in the form of SFN+sub frame.
It should be noted that, when UE chain of command connection maintains macro base station, and user plane is transmitted when maintaining micro-base station, UE is set preferentially to monitor the data transfer on the PDCCH of micro-base station, if macro base station has data to be sent to UE, macro base station sends to micro-base station monitor configured information first, the monitoring configured information is transmitted into UE by micro-base station so that UE monitors the PDCCH of macro base station;After UE receives the data sent on the PDCCH of macro base station, the PDCCH of macro base station is ceased listening for.So UE need not be supervised frequently The PDCCH of macro base station is listened, UE electricity is saved.
505th, the monitoring configured information is transmitted to UE by micro-base station.
506th, UE is monitored the PDCCH channels of macro base station according to configured information is monitored.
507th, when the UE ascending resources for receiving macro base station transmission distribute information, static timer is started.
508th, when the UE downlink resources for receiving macro base station transmission distribute information, static timer is not started.Wherein, in DRX mechanism, after UE receives the data that macro base station is sent on PDCCH, the DRX cycle that macro base station will be used to configure starts or restarted Inactivity Timer and running in the DRX cycles, if UE receives new data again, so Inactivity Timer will restart, reclocking；If periodic duty is finished, UE is still not received by new data, then UE will enter resting state.For descending SRB data, it transmits only one of which packet every time, therefore Inactivity Timer need not be started and monitor next packet, then resting state can be just directly entered after UE receives first packet, UE electricity is saved.
Optionally, when configuring static timer, the cycle of static timer can also be set to less value, so UE is when receiving descending SRB data, static timer can be started, because periodic quantity is smaller, so timer will soon run a cycle, UE is set to enter resting state.It is preferred that, the cycle can be set to 0.
509th, after UE has received the SRB data of macro base station transmission, the data transfer on the PDCCH of macro base station is ceased listening for.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, user equipment (UE) receives the discontinuous reception DRX parameters of macro base station configuration in the embodiment of the present invention；According to the static timer of DRX parameter configurations, the physical downlink control channel PDCCH of the macro base station is monitored using the static timer;The UE does not start static timer, is directly entered resting state after the downlink resource distribution information that the macro base station is sent by PDCCH is received.UE can be made to immediately enter resting state after the packet of descending control plane signaling is received, the time that UE monitors the PDCCH of macro base station is reduced, Save UE electric energy.In addition, only just controlling the PDCCH of UE monitoring macro base stations by signaling when macro base station and UE have data transfer so that UE can be monitored only the PDCCH of micro-base station in the most of the time, save UE electric energy.Another embodiment of the present invention provides a kind of user equipment 60, as shown in fig. 6, the user equipment 60 includes：
Monitoring unit 61, the discontinuous reception DRX parameters for being configured using first base station monitor the physical downlink control channel PDCCH of the first base station;
Electric unit 62 is saved, for after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
Further, as shown in fig. 7, province's electric unit 62 can also include：
First province's electric unit 621, for starting static timer Inactivity Timer after the downlink resource distribution information is received, enters resting state after being finished in the cycle of the Inactivity Timer；Or,
Second province's electric unit 622, for after the downlink resource distribution information is received, into resting state.
Further, as shown in fig. 7, the user equipment 60 can also include：
Receiving unit 63, the monitoring configured information sent by the first base station for receiving the forwarding of the second base station, the monitoring configured information is used for the PDCCH for indicating that the user equipment monitors the first base station.
Further, as shown in fig. 7, province's electric unit 62 can also include：
3rd province's electric unit 623, for starting static timer Inactivity Timer after the downlink resource distribution information is received, ceases listening for the PDCCH of the first base station after being finished in the cycle of the Inactivity Timer;Or,
4th province's electric unit 624, the PDCCH for ceasing listening for the first base station after the downlink resource distribution information is received.
Wherein, the time span in the cycle of the Inactivity Timer is 0. Wherein, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
Wherein, the monitoring configured information is carried sends in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, user equipment (UE) 60 can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, the discontinuous reception DRX parameters that user equipment (UE) 60 is configured using first base station in the embodiment of the present invention monitor the physical downlink control channel PDCCH of the first base station;The UE60 is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.UE60 can be made to immediately enter the state of power saving after the packet of descending control plane signaling is received, the PDCCH without continuing monitoring macro base station is that UE60 saves electric energy.Another embodiment of the present invention provides a kind of base station 70, as shown in figure 8, the base station 70 includes：Dispensing unit 71, for configuring discontinuous reception DRX parameters for user equipment (UE), to cause the UE to be monitored using the DRX parameters the PDCCH of the base station 70, after the downlink resource distribution information that the base station 70 is sent by PDCCH is received, the UE enters power down mode.
Further, as shown in figure 9, the base station 70 can also include：
Transmitting element 72, configured information is monitored for being sent to the second base station, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the base station 70.
Wherein, the monitoring configured information includes：First monitors configured information, and described first monitors instruction Information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
Wherein, the monitoring configured information is carried sends in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station 70 is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, base station 70 is that UE configures one group of new DRX parameter in the embodiment of the present invention so that UE is according to parameter configuration Inactivity Timer.After UE receives the downlink resource distribution information of the transmission of base station 70, UE does not start Inactivity Timer and is directly entered power down mode, or start the blunt short Inactivity Timer of a cycle 4, it is that UE saves electric energy so as to greatly shorten the time for the PDCCH for continuing to monitor base station 70.Another embodiment of the present invention provides a kind of user equipment 80, and as shown in Figure 10, the user equipment 80 includes：
Processor 81, the discontinuous reception DRX parameters for being configured using first base station monitor the physical downlink control channel PDCCH of the first base station;And, for after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
Wherein, the processor specifically for：Start static timer Inactivity Timer after the downlink resource distribution information is received, resting state is entered after being finished in the cycle of the Inactivity Timer；Or, after the downlink resource distribution information is received, into resting state.
Further, as shown in figure 11, the user equipment 80 can also include：
Receiver 82, the monitoring configured information sent by the first base station for receiving the forwarding of the second base station, the monitoring configured information is used to indicate that the user equipment 80 monitors the PDCCH of the first base station. Wherein, the processing implement body is additionally operable to：Start static timer Inactivity Timer after the downlink resource distribution information is received, the PDCCH of the first base station is ceased listening for after being finished in the cycle of the Inactivity Timer;Or, the PDCCH of the first base station is ceased listening for after the downlink resource distribution information is received.
Wherein, the time span in the cycle of the Inactivity Timer is 0.
Wherein, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
Wherein, the monitoring configured information is carried sends in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.
The workflow of user equipment 80 provided in an embodiment of the present invention refer to the description of previous methods embodiment, be not repeated herein.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, user equipment (UE) 80 can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, the discontinuous reception DRX parameters that user equipment (UE) 80 is configured using first base station in the embodiment of the present invention monitor the physical downlink control channel PDCCH of the first base station;The UE80 is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.UE80 can be made to immediately enter the state of power saving after the packet of descending control plane signaling is received, the PDCCH without continuing monitoring macro base station is that UE80 saves electric energy.Another embodiment of the present invention provides a kind of base station 90, and as shown in figure 12, the base station 90 includes：Processor 91, for configuring discontinuous reception DRX parameters for user equipment (UE), to cause the UE The PDCCH of the base station 90 is monitored using the DRX parameters, after the downlink resource distribution information that the base station 90 is sent by PDCCH is received, the UE enters power down mode.
Further, as shown in figure 13, the base station 90 can also include：
Transmitter 92, configured information is monitored for being sent to the second base station, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the base station 90.
Wherein, the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
Wherein, the monitoring configured information is carried sends in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.
The workflow of base station 90 provided in an embodiment of the present invention refer to the description of previous methods embodiment, be not repeated herein.
In the prior art, control each carry out downlink transfer only one of which packet of plane signaling, UE can start the PDCCH that timer carries out continuing to monitor macro base station after the packet for the control plane signaling that macro base station 90 is issued is received according to DRX mechanism, and this process monitored wastes electric energy.Compared with prior art, base station 90 is that UE configures one group of new DRX parameter in the embodiment of the present invention so that UE is according to parameter configuration Inactivity Timer.After UE receives the downlink resource distribution information of the transmission of base station 90, UE does not start Inactivity Timer and is directly entered power down mode, or start the blunt short Inactivity Timer of a cycle 4, it is that UE saves electric energy so as to greatly shorten the time for the PDCCH for continuing to monitor base station 90.
User equipment provided in an embodiment of the present invention and base station can realize the embodiment of the method for above-mentioned offer, and concrete function is realized the explanation referred in embodiment of the method, will not be repeated here.Electricity saving method provided in an embodiment of the present invention, user equipment and base station go for the PDCCH letters that user equipment (UE) monitors base station Data transfer on road, but it is not limited only to this.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, computer program is can be by instruct the hardware of correlation to complete, described program can be stored in a computer read/write memory medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic disc, CD, read-only memory（Read-Only Memory, ROM) or random deposit ^ ^ oneself recalls body (Random Access Memory, RAM) etc..It is described above; only embodiment of the invention, but protection scope of the present invention is not limited thereto, any one skilled in the art the invention discloses technical scope in; the change or replacement that can be readily occurred in, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (1)

  1. Claims
    1st, a kind of electricity saving method, it is characterised in that including：
    The discontinuous reception DRX parameters that user equipment (UE) is configured using first base station monitor the physical downlink control channel PDCCH of the first base station;
    The UE is after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
    2nd, according to the method described in claim 1, it is characterised in that the UE includes after the downlink resource distribution information that the first base station is sent by PDCCH is received into power down mode：
    The UE starts static timer Inactivity Timer after the downlink resource distribution information is received, and resting state is entered after being finished in the cycle of the Inactivity Timer；Or,
    The UE is after the downlink resource distribution information is received, into resting state.
    3rd, according to the method described in claim 1, it is characterised in that before the UE DRX parameters configured using first base station monitor the PDCCH of the first base station, methods described also includes：
    The UE receives the monitoring configured information sent by the first base station of the second base station forwarding, and the monitoring configured information is used for the PDCCH for indicating that the UE monitors the first base station.
    4th, method according to claim 3, it is characterised in that the UE includes after the downlink resource distribution information that the first base station is sent by PDCCH is received into power down mode：
    The UE starts static timer Inactivity Timer after the downlink resource distribution information is received, and the PDCCH of the first base station is ceased listening for after being finished in the cycle of the Inactivity Timer;Or,
    The UE ceases listening for the PDCCH of the first base station after the downlink resource distribution information is received.
    5th, the method according to claim 2 or 4, it is characterised in that the time span in the cycle of the Inactivity Timer is 0.
    6th, method according to claim 3, it is characterised in that the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors second base immediately The PDCCH stood;Or, second monitors configured information, and the second monitoring configured information is described for indicating
    UE monitors the PDCCH of second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
    7th, the method according to claim 3 or 6, it is characterised in that the monitoring configured information is carried to be sent in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal.
    8th, a kind of electricity saving method, it is characterised in that including：
    First base station is that user equipment (UE) configures discontinuous reception DRX parameters, to cause the UE to be monitored using the DRX parameters the PDCCH of the first base station, after the downlink resource distribution information that the first base station is sent by PDCCH is received, the UE enters power down mode.
    9th, method according to claim 8, it is characterised in that after the first base station is user equipment (UE) configuration discontinuous reception DRX parameters, methods described also includes：
    The first base station sends to the second base station and monitors configured information, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the first base station.
    10th, method according to claim 9, it is characterised in that the monitoring configured information includes：First monitors configured information, and the first monitoring configured information is used to indicate that the UE monitors the PDCCH of second base station immediately;Or, second monitors configured information, and the second monitoring configured information is used for the PDCCH for indicating that the UE monitors second base station after the setting time of interval;Or, the 3rd monitors configured information, and the 3rd monitoring configured information is used for the initial time for indicating that the UE turns to the PDCCH for monitoring second base station, and the initial time is represented by system frame number SFN and subframe subframe.
    11st, the method according to claim 9 or 10, it is characterised in that the monitoring configured information is carried to be sent in radio resource control RRC message, media access control MAC message, physical layer message or physical layer signal. 12nd, a kind of user equipment, it is characterised in that including：
    Monitoring unit, the discontinuous reception DRX parameters for being configured using first base station monitor the physical downlink control channel PDCCH of the first base station;
    Electric unit is saved, for after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
    13rd, user equipment according to claim 12, it is characterised in that province's electric unit includes：First province's electric unit, for starting static timer after the downlink resource distribution information is received
    Inactivity Timer, enter resting state after being finished in the cycle of the Inactivity Timer；Or, second province's electric unit, for after the downlink resource distribution information is received, into resting state.
    14th, user equipment according to claim 12, it is characterised in that the user equipment also includes：Receiving unit, the monitoring configured information sent by the first base station for receiving the forwarding of the second base station, the monitoring configured information is used for the PDCCH for indicating that the user equipment monitors the first base station.
    15th, user equipment according to claim 14, it is characterised in that province's electric unit also includes：3rd province's electric unit, for starting static timer after the downlink resource distribution information is received
    Inactivity Timer, cease listening for the PDCCH of the first base station after being finished in the cycle of the Inactivity Timer;Or,
    4th province's electric unit, the PDCCH for ceasing listening for the first base station after the downlink resource distribution information is received.
    16th, the user equipment according to claim 13 or 15, it is characterised in that the time span in the cycle of the Inactivity Timer is 0.
    17th, a kind of base station, it is characterised in that including：
    Dispensing unit, for configuring discontinuous reception DRX parameters for user equipment (UE), to cause the UE to be monitored using the DRX parameters the PDCCH of the base station, after the downlink resource distribution information that the base station is sent by PDCCH is received, the UE enters power down mode. 18th, base station according to claim 17, it is characterised in that the base station also includes：Transmitting element, configured information is monitored for being sent to the second base station, and to cause second base station to forward the monitoring configured information to the UE, the monitoring configured information is used for the PDCCH for indicating that the UE monitors the base station.
    19th, a kind of user equipment, it is characterised in that including：
    Processor, the discontinuous reception DRX parameters for being configured using first base station monitor the physical downlink control channel PDCCH of the first base station;And, for after the downlink resource distribution information that the first base station is sent by PDCCH is received, into power down mode.
    20th, user equipment according to claim 19, it is characterised in that the processor specifically for：Start static timer Inactivity Timer after the downlink resource distribution information is received, described
    Inactivity Timer cycle enters resting state after being finished；Or,
    After the downlink resource distribution information is received, into resting state.
    21st, user equipment according to claim 19, it is characterised in that the user equipment also includes：Receiver, the monitoring configured information sent by the first base station for receiving the forwarding of the second base station, the monitoring configured information is used for the PDCCH for indicating that the user equipment monitors the first base station.
    22nd, user equipment according to claim 21, it is characterised in that the processing implement body is additionally operable to：
    Start static timer Inactivity Timer after the downlink resource distribution information is received, the PDCCH of the first base station is ceased listening for after being finished in the cycle of the Inactivity Timer;Or,
    The PDCCH of the first base station is ceased listening for after the downlink resource distribution information is received.
    23rd, the user equipment according to claim 20 or 22, it is characterised in that the time span in the cycle of the Inactivity Timer is 0.
    24th, a kind of base station, it is characterised in that including：
    Processor, for configuring discontinuous reception DRX parameters for user equipment (UE), to cause the UE to use The DRX parameters are monitored the PDCCH of the base station, and after the downlink resource distribution information that the base station is sent by PDCCH is received, the UE enters power down mode.
    25th, base station according to claim 24, it is characterised in that the base station also includes：Transmitter, configured information is monitored for being sent to the second base station, to cause second base station to described
    UE forwards the monitoring configured information, and the monitoring configured information is used to indicate that the UE monitors the base station
    PDCCH。
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