CN105722195A - Discontinuous reception method and device - Google Patents
Discontinuous reception method and device Download PDFInfo
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- CN105722195A CN105722195A CN201610076849.6A CN201610076849A CN105722195A CN 105722195 A CN105722195 A CN 105722195A CN 201610076849 A CN201610076849 A CN 201610076849A CN 105722195 A CN105722195 A CN 105722195A
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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
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- 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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Abstract
The invention discloses a discontinuous reception method and device, and belongs to the technical field of communication. The method comprises following steps of receiving a PDCCH (Physical Downlink Control Channel) or MAC (Medium Access Control) CE (Control Element) instruction sent by a base station, wherein the PDCCH/MAC CE instruction comprises first indication information and/or second indication information, the first/second indication information is used for informing a UE (User Equipment) base station of not scheduling a new data packet/downlink HARQ (Hybrid Automatic Repeat Request) retransmission to UE in a current DRX (Discontinuous Reception) period; according to the first indication information, at any moment from a current sub-frame or a first sub-frame after the current sub-frame to a first preset value, terminating or not restarting a DRX-inactivity timer; and according to the second indication information, at any moment from the current sub-frame or the first sub-frame after the current sub-frame to a second preset value, terminating or not restarting a DRX-retransmission timer, thus enabling the UE to enter into a dormant state as soon as possible. According to the method and the device, through adoption of the scheme, the UE is enabled to enter into a dormant state as soon as possible, and the power consumption is saved.
Description
The application is divisional application, and the application number of original application is 201110031595.3, and the applying date is on January 28th, 2011, and denomination of invention is " method and apparatus of a kind of discontinuous reception "
Technical field
The present invention relates to communication technical field, particularly to the method and apparatus of a kind of discontinuous reception.
Background technology
In order to save the power consumption of UE (UserEquipment, subscriber equipment), LTE (LongTermEvolution, Long Term Evolution) system introduces a kind of DRX (DiscontinuousReception, discontinuous reception) technology.
In LTEDRX technology, initial period at each DRX cycle, first UE starts onDurationTimer (duration timer), within the onDurationTimer time, UE needs to monitor PDCCH (PhysicalDownlinkControlChannel, Physical Downlink Control Channel) channel and obtains schedule information.If UE is not received by any schedule information within the onDurationTimer time, then UE enters sleep state, ceases listening for PDCCH channel.If within the onDurationTimer time, UE receives schedule information at PDCCH channel, when base station is the new packet of UE scheduling, UE needs start or restart DRX-InactivityTimer (the static intervalometer of DRX), within the static timer time of DRX, UE monitors PDCCH channel and keeps state of activation.Afterwards, if the static timer ends of DRX, then UE can enter sleep state.But, owing to UE is likely to need the re-transmission of downlink data receiving bag, therefore whether UE finally can enter sleep state, also by the control of DRX-RetransmissionTimer (DRX retransmission timer).DRX retransmission timer is an intervalometer for each HARQ (HybridAutomaticRepeatRequest, hybrid automatic repeat-request) process, namely UE is that each HARQ process safeguards a DRX retransmission timer.When the static timer ends of the DRX of UE, if the DRX retransmission timer of each HARQ process of UE terminates, then UE can enter sleep state, and these DRX retransmission timers do not terminate else if, then UE needs to wait that these DRX retransmission timers just can enter sleep state after terminating.
In the process realizing the present invention, inventor have found that prior art at least there is problems in that
UE need DRX-InactivityTime and DRX-RetransmissionTimer timing terminate laggard enter sleep state, thus it is relatively slow to cause that UE enters sleep state, waste a lot of power.
Summary of the invention
In order to make UE enter sleep state as early as possible, the method and apparatus embodiments providing a kind of discontinuous reception.Described technical scheme is as follows:
A kind of method of discontinuous reception, described method includes:
Receive physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, described PDCCH order includes: the first instruction information and/or the second instruction information, described MACCE order includes: the first instruction information and/or the second instruction information, wherein, described first instruction information base station described in notifying user equipment UE is no longer that described UE dispatches new data packets in current discontinuous reception DRX cycle, described second instruction information is used for notifying that base station described in described UE no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
Information is indicated according to described first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX, wherein, if described PDCCH command scheduling be downlink data packet or if packet is not dispatched in described PDCCH order, the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if described PDCCH command scheduling is upstream data bag, the difference that the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of described PDCCH command scheduling；And/or
Information is indicated according to described second, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of described second preset value is DRX-RetransmissionTimer difference between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
A kind of method of discontinuous reception, described method includes:
Generate physical downlink control channel PDCCH order or media access control MAC controls unit's CE order, described PDCCH order includes: the first instruction information and/or the second instruction information, described MACCE order includes: the first instruction information and/or the second instruction information, wherein, described first instruction information base station described in notifying user equipment UE is no longer that described UE dispatches new data packets in current discontinuous reception DRX cycle, described second instruction information is used for notifying that base station described in described UE no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
Described PDCCH order or MACCE order is sent, to notify that described UE terminates or no longer restarts the static intervalometer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer to user equipment (UE).
A kind of device of discontinuous reception, described device includes:
Receiver module, for receiving physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, described PDCCH order includes: the first instruction information and/or the second instruction information, described MACCE order includes: the first instruction information and/or the second instruction information, wherein, described first instruction information base station described in notifying user equipment UE is no longer that described UE dispatches new data packets in current discontinuous reception DRX cycle, described second instruction information is used for notifying that base station described in described UE no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
Processing module, for indicating information according to described first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX, wherein, if described PDCCH command scheduling be downlink data packet or if packet is not dispatched in described PDCCH order, the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if described PDCCH command scheduling is upstream data bag, the difference that the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of described PDCCH command scheduling；And/or
Information is indicated according to described second, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of described second preset value is DRX-RetransmissionTimer difference between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
A kind of device of discontinuous reception, described device includes:
Generation module, unit's CE order is controlled for generating physical downlink control channel PDCCH order or media access control MAC, described PDCCH order includes: the first instruction information and/or the second instruction information, described MACCE order includes: the first instruction information and/or the second instruction information, wherein, described first instruction information base station described in notifying user equipment UE is no longer that described UE dispatches new data packets in current discontinuous reception DRX cycle, described second instruction information is used for notifying that base station described in described UE no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
Sending module, for sending described PDCCH order or MACCE order, to notify that described UE terminates or no longer restarts the static intervalometer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer to user equipment (UE).
The technical scheme that the embodiment of the present invention provides has the benefit that and receives, by UE, the first instruction information and/or the second instruction information that base station sends, according to first indicate information from present sub-frame to the first preset value any instant or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, according to second indicate information from present sub-frame to the second preset value any instant or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, thus saving power consumption.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1-a is the method flow diagram of the discontinuous reception that the embodiment of the present invention 1 provides；
Fig. 1-b is the other method flow chart of the discontinuous reception that the embodiment of the present invention 1 provides；
Fig. 2 is the method flow diagram of the discontinuous reception that the embodiment of the present invention 2 provides；
Fig. 3 is the method flow diagram of the discontinuous reception that the embodiment of the present invention 3 provides；
Fig. 4 is the method flow diagram of the discontinuous reception that the embodiment of the present invention 4 provides；
Fig. 5 is the apparatus structure schematic diagram of the discontinuous reception that the embodiment of the present invention 5 provides；
Fig. 6 is the apparatus structure schematic diagram of the discontinuous reception that the embodiment of the present invention 6 provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Referring to Fig. 1-a, a kind of method present embodiments providing discontinuous reception, the method specifically can be performed by UE, including:
S11: receive PDCCH order or MAC (MediumAccessControl that base station sends, medium education) CE (ControlElement, control unit) order, this PDCCH order includes: the first instruction information and/or the second instruction information, this MACCE order includes: the first instruction information and/or the second instruction information, wherein, this the first instruction information no longer dispatches new data packets for this UE for this base station of notifying user equipment UE in current discontinuous reception DRX cycle, this the second instruction information is used for notifying that this base station of this UE no longer retransmits for this UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
S12: according to this first instruction information, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX；And/or
According to this second instruction information, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX retransmission timer DRX-RetransmissionTimer.
Described any instant is some moment in the described time period, it is possible to first subframe after being described present sub-frame, present sub-frame or described preset value itself.
First preset value and the second preset value can set according to the actual requirements.If this PDCCH command scheduling be downlink data packet or if packet is not dispatched in this PDCCH order, the maximum of this first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if this PDCCH command scheduling is upstream data bag, the difference that the maximum of this first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of this PDCCH command scheduling.The maximum of this second preset value is DRX-RetransmissionTimer difference between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
Referring to Fig. 1-b, the method specifically can be performed by base station, including:
S21: generate PDCCH order or MACCE order, this PDCCH order includes: the first instruction information and/or the second instruction information, this MACCE order includes: the first instruction information and/or the second instruction information, wherein, this the first instruction information no longer dispatches new data packets for this UE for this base station of notifying user equipment UE in current DRX cycle, and this second instruction information is used for notifying that this base station of this UE no longer retransmits for this UE dispatching downlink HARQ in current DRX cycle；
S22: send this PDCCH order or MACCE order to UE, to notify that this UE terminates or no longer restarts the static intervalometer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer.
The present embodiment receives, by UE, the first instruction information and/or the second instruction information that base station sends, according to first indicate information from present sub-frame to the first preset value any instant or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, according to second indicate information from present sub-frame to the second preset value any instant or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, thus saving power consumption.
Embodiment 2
Referring to Fig. 2, a kind of method present embodiments providing discontinuous reception, including:
101: base station sends PDCCH order or MACCE order to UE, and PDCCH order includes: first instruction information, MACCE order includes: the first instruction information, and the first instruction information is used for notifying that new data packets is no longer dispatched for UE in UE base station in current DRX cycle.
Concrete, when base station can carry out the scheduling of last new data packets in current DRX cycle, send PDCCH order to UE, namely this PDCCH order is the PDCCH order that base station carries out last new data packets scheduling in current DRX cycle.
Wherein, the first instruction information can be the instruction information of the instruction information of " current DRX cycle in last new data packets scheduling ", the instruction information of " terminating DRX-InactivityTimer " or " no longer restarting DRX-InactivityTimer ".
Wherein, new data packets can be new upstream data bag or new downlink data packet.
Concrete, in order to not increase the blind Detecting number of times of UE, base station can utilize the idle Bit (position) in DCI (DownlinkControlInformation, the Downlink Control Information) form of PDCCH order, idle condition or invalid value to indicate the first instruction information.
Invalid value in the DCI format of PDCCH order, PUSCH (PhysicalUplinkShareChannel in prior art PDCCH order, Physical Uplink Shared Channel) RB (resourceblock, Resource Block) count the multiple being necessary for 2,3 or 5, UE is when detecting PDCCH, if be detected that when the PUSCHRB of the non-multiple of 2,3 or 5 distributes, then UE thinks that this PDCCH is invalid PDCCH.In the present embodiment, the information bit carrying first of the non-LTEPUSCHRB allotment (i.e. the PUSCHRB allotment of the non-multiple of 2,3 or 5) in PDCCH order is utilized to indicate information.
Reservation state in the DCI format of PDCCH order, base station can utilize information bit carrying the first instruction information of the reservation state of PRACH (PhysicalRandomAccessChannel, the Physical Random Access Channel) Maskindex (camouflage mark) in the DCI format 1A of PDCCH order.
102:UE receives PDCCH order or the MACCE order that base station sends, information is indicated according to first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, so that UE can enter sleep state as early as possible
Wherein, if PDCCH command scheduling be downlink data packet or if packet is not dispatched in PDCCH order, the maximum of the first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if PDCCH command scheduling is upstream data bag, the maximum of the first preset value be DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer the runtime value of present sub-frame or and PDCCH command scheduling uplink subframe between difference.
Concrete, if UE receives the schedule information comprising data transmission (include new data packets transmission and retransmit) in the PDCCH order that base station sends, UE from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, so that UE can enter sleep state as early as possible, it is so to make UE can continue to receive the data by PDCCH command scheduling on present sub-frame.It is appreciated that, if UE receives the schedule information not comprising data transmission in the PDCCH order that base station sends, UE can from present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer so that UE can enter sleep state as early as possible.If present sub-frame does not have data to be scheduled, then UE can start direct dormancy from present sub-frame.
Further, if PDCCH order is the PDCCH order that base station carries out last new data packets scheduling in current DRX cycle, after UE receives the PDCCH order that base station sends, the method also includes:
If a) last new data packets is new downlink data packet, the HARQ feedback information corresponding for last new data packets first subframe within the next DRX cycle onDurationTimer persistent period or default subframe are fed back to base station.
If b) last new data packets is new upstream data bag, UE performs uplink in the subframe of the uplink of this PDCCH command scheduling, or, UE ignores last uplink, and namely UE does not perform uplink in the subframe of the uplink of this PDCCH command scheduling.
Further, after UE receives the PDCCH order that base station sends, the method also includes:
If UE is at HARQRTT (RoundTripTime, two-way time) the new downlink data packet of this PDCCH incorrectly decoded scheduling in Timer (intervalometer) timing, then UE does not restart the DRX-RetransmissionTimer of HARQ process corresponding to this new downlink data, so that UE can enter sleep state as early as possible.
The first instruction information that the present embodiment UE sends according to base station, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, so that UE can enter sleep state as early as possible, thus saving power consumption.
Embodiment 3
Referring to Fig. 3, a kind of method present embodiments providing discontinuous reception, including:
201: base station sends PDCCH order or MACCE order to UE, and PDCCH order includes: second instruction information, MACCE order includes: the second instruction information, and the second instruction information is used for notifying that UE base station no longer retransmits for UE dispatching downlink HARQ in current DRX cycle.
Concrete, base station sends PDCCH order when can carry out retransmitting for the last time data packet dispatching in current DRX cycle, namely PDCCH order is the PDCCH order that base station retransmits data packet dispatching for the last time in current DRX cycle.
Wherein, the second instruction information can be the instruction information of the instruction information of " retransmitting data packet dispatching in current DRX cycle for the last time ", " terminating DRX-RetransmissionTimer ", or the instruction information of " no longer performing descending HARQ to retransmit ".
Further, the second instruction information is additionally operable to the HARQ process that instruction the second instruction information is targeted, represents and terminates DRX-RetransmissionTimer for this HARQ process UE, or represents that no longer performing descending HARQ for this HARQ process base station retransmits.
Further, the second instruction information is additionally operable to instruction UE and receives the given sub-frame of the descending HARQ next DRX cycle retransmitted.
Concrete, in order to not increase the blind Detecting number of times of UE, base station can utilize the idle Bit (position) in the DCI format of PDCCH order, idle condition or invalid value to transmit the second instruction information.
Invalid value in the DCI format of PDCCH order, PUSCHRB number in prior art PDCCH order is necessary for the multiple of 2,3 or 5, UE is when detecting PDCCH, if be detected that when the PUSCHRB of the non-multiple of 2,3 or 5 distributes, then UE thinks that this PDCCH is invalid PDCCH.In the present embodiment, the information bit carrying second of the non-LTEPUSCHRB allotment (i.e. the PUSCHRB allotment of the non-multiple of 2,3 or 5) in PDCCH order is utilized to indicate information.
Reservation state in the DCI format of PDCCH order, base station can utilize the information bit of the reservation state of the PRACHMaskindex in the DCI format 1A of PDCCH order to carry the second instruction information.
202:UE receives PDCCH order or the MACCE order that base station sends, information is indicated according to second, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, wherein, the maximum of the second preset value is DRX-RetransmissionTimer difference between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
Concrete, if UE receives the schedule information comprising data transmission (include new data packets transmission and retransmit) in the PDCCH order that base station sends, UE from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, it is so to make UE can continue to receive the data by PDCCH command scheduling on present sub-frame.It is appreciated that, if UE receives the schedule information not comprising data transmission in the PDCCH order that base station sends, UE from present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer so that UE can enter sleep state as early as possible.If present sub-frame does not have data to be scheduled, then UE can start direct dormancy from present sub-frame.
Further, after UE receives PDCCH order or the MACCE order of base station transmission, the method also includes:
UE UE indicated by the second instruction information receives the given sub-frame of the descending HARQ next DRX cycle retransmitted, and the given sub-frame at next DRX cycle receives descending HARQ and retransmits.Or, according to the UE default subframe arranged in advance with base station, UE receives descending HARQ re-transmission in the default subframe of next DRX cycle.
The second instruction information that the present embodiment UE sends according to base station, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, thus saving power consumption.
Embodiment 4
Referring to Fig. 4, a kind of method present embodiments providing discontinuous reception, including:
301: base station sends PDCCH order or MACCE order to UE, and PDCCH order includes: the first instruction information and the second instruction information, MACCE order includes: the first instruction information and the second instruction information.
Wherein, the implication reference example 2 of the first instruction information, the implication reference example 3 of the second instruction information.
Concrete, when base station can carry out the scheduling of last new data packets in current DRX cycle, send PDCCH order to UE, namely this PDCCH order is the PDCCH order that base station carries out last new data packets scheduling in current DRX cycle.Or, base station sends PDCCH order when can carry out retransmitting for the last time data packet dispatching in current DRX cycle, namely PDCCH order is the PDCCH order that base station retransmits data packet dispatching for the last time in current DRX cycle.
302:UE receives PDCCH order or the MACCE order that base station sends, information is indicated according to first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, indicate information according to second simultaneously, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible.
Concrete, if UE receives the schedule information comprising data transmission (include new data packets transmission and retransmit) in the PDCCH order that base station sends, UE indicates information according to first, any instant from first subframe after present sub-frame to the first preset value, terminate or no longer restart DRX-InactivityTimer, UE indicates information according to second simultaneously, any instant from first subframe after present sub-frame to the second preset value, UE terminates or no longer restarts DRX-RetransmissionTimer, so that can enter sleep state as early as possible.It is so to make UE can continue to receive the data by PDCCH command scheduling on present sub-frame.
Or, if UE receives the schedule information not comprising data transmission in the PDCCH order that base station sends, UE indicates information according to first, any instant from present sub-frame to the first preset value, terminating or no longer restart DRX-InactivityTimer, UE indicates information, any instant from present sub-frame to the second preset value according to second simultaneously, UE terminates or no longer restarts DRX-RetransmissionTimer, so that can enter sleep state as early as possible.If present sub-frame does not have data to be scheduled, then UE can start direct dormancy from present sub-frame.
Wherein, the implication reference example 2 of the first preset value, the implication reference example 3 of the second preset value.
The present embodiment receives, by UE, the first instruction information and the second instruction information that base station sends, according to first indicate information from present sub-frame to the first preset value any instant or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, according to second indicate information from present sub-frame to the second preset value any instant or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can faster enter sleep state, thus saving more power consumption.
Embodiment 5
Referring to Fig. 5, present embodiments providing the device of a kind of discontinuous reception, this device can be specifically UE, and this device includes:
Receiver module 401, for receiving physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, this PDCCH order includes: the first instruction information and/or the second instruction information, this MACCE order includes: the first instruction information and/or the second instruction information, wherein, this the first instruction information no longer dispatches new data packets for this UE for this base station of notifying user equipment UE in current discontinuous reception DRX cycle, this the second instruction information is used for notifying that this base station of this UE no longer retransmits for this UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
Processing module 402, for according to this first instruction information, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX, wherein, if this PDCCH command scheduling be downlink data packet or if packet is not dispatched in this PDCCH order, the maximum of this first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if this PDCCH command scheduling is upstream data bag, the difference that the maximum of this first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of this PDCCH command scheduling；And/or
According to this second instruction information, any instant from present sub-frame to the second preset value or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of this second preset value is DRX-RetransmissionTimer difference between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
Wherein, this first instruction information is the instruction information of last new data packets scheduling in current DRX cycle, terminates the instruction information of DRX-InactivityTimer or no longer restart the instruction information of DRX-InactivityTimer.
Wherein, the spare bits Bit in the Downlink Control Information DCI format of this first instruction information or this second instruction this PDCCH order of Information Pull, idle condition or invalid value indicate.
Wherein, this PDCCH order is the PDCCH order that this base station carries out last new data packets scheduling in current DRX cycle.
Further, this device also includes:
Feedback module, after receiving the physical downlink control channel PDCCH order that base station sends, if this last new data packets is new downlink data packet, the hybrid automatic repeat-request HARQ feedback information corresponding for this last new data packets first subframe within the next DRX cycle duration timer onDurationTimer persistent period or default subframe are fed back to this base station.
Further, this device also includes:
Start module, after receiving the physical downlink control channel PDCCH order that base station sends, if the new downlink data packet of this PDCCH command scheduling incorrectly decoded in HARQ RTT two-way time intervalometer timing, this UE do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to this new downlink data packet, so that can enter sleep state as early as possible.
Wherein, this second instruction information is the instruction information of last re-transmission data packet dispatching in current DRX cycle, terminates the instruction information of DRX-RetransmissionTimer or no longer perform the descending HARQ instruction information retransmitted.
Wherein, this second instruction information is additionally operable to the HARQ process that indicates this second instruction information targeted.
Wherein, this second instruction information is additionally operable to indicate this UE given sub-frame receiving the descending HARQ next DRX cycle retransmitted；
This receiver module 401, after the physical downlink control channel PDCCH order or media access control MAC that receive base station transmission control unit's CE order, is additionally operable to according to this second instruction information, and the given sub-frame at next DRX cycle receives descending HARQ re-transmission.
Wherein, this receiver module 401, after the physical downlink control channel PDCCH order or media access control MAC that receive base station transmission control unit's CE order, is additionally operable to receive descending HARQ re-transmission in the default subframe of next DRX cycle.
Wherein, this PDCCH order is the PDCCH order that this base station retransmits data packet dispatching for the last time in current DRX cycle.
The device of the present embodiment can be specifically UE, belongs to same design with the UE in embodiment of the method, and the process of implementing refers to embodiment of the method, repeats no more here.
The present embodiment receives, by UE, the first instruction information and/or the second instruction information that base station sends, according to first indicate information from present sub-frame to the first preset value any instant or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart DRX-InactivityTimer, according to second indicate information from present sub-frame to the second preset value any instant or from first subframe after present sub-frame to the second preset value any instant, terminate or no longer restart DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, thus saving power consumption.
Embodiment 6
Referring to Fig. 6, present embodiments providing the device of a kind of discontinuous reception, this device can be specifically base station, including:
Generation module 501, unit's CE order is controlled for generating physical downlink control channel PDCCH order or media access control MAC, this PDCCH order includes: the first instruction information and/or the second instruction information, this MACCE order includes: the first instruction information and/or the second instruction information, wherein, this the first instruction information no longer dispatches new data packets for this UE for this base station of notifying user equipment UE in current discontinuous reception DRX cycle, this the second instruction information is used for notifying that this base station of this UE no longer retransmits for this UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle；
Sending module 502, for sending this PDCCH order or MACCE order, to notify that this UE terminates or no longer restarts the static intervalometer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer to UE.
Wherein, this first instruction information is the instruction information of last new data packets scheduling in current DRX cycle, terminates the instruction information of DRX-InactivityTimer or no longer restart the instruction information of DRX-InactivityTimer；Or
This second instruction information is the instruction information of last re-transmission data packet dispatching in current DRX cycle, terminates the instruction information of DRX-RetransmissionTimer or no longer perform the descending HARQ instruction information retransmitted.
Wherein, the spare bits Bit in the Downlink Control Information DCI format of this first instruction information or this second instruction this PDCCH order of Information Pull, idle condition or invalid value indicate.
Wherein, this PDCCH order is the PDCCH order that this base station carries out last new data packets scheduling in current DRX cycle；Or
This PDCCH order is the PDCCH order that this base station retransmits data packet dispatching for the last time in current DRX cycle.
The device of the present embodiment can be specifically base station, belongs to same design with the base station in embodiment of the method, and the process of implementing refers to embodiment of the method, repeats no more here.
The present embodiment generates and sends to UE the PDCCH order or MACCE order that include the first instruction information and/or the second instruction information by base station, UE is made to terminate or no longer restart DRX-InactivityTimer and/or DRX-RetransmissionTimer, so that UE can enter sleep state as early as possible, thus saving power consumption.
All or part of content in the technical scheme that above example provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: hard disk in computer, CD or floppy disk.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (32)
1. the method for a discontinuous reception, it is characterised in that described method includes:
Subscriber equipment receives physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, and described PDCCH order or described MACCE order include: the first instruction information；Described first instruction information is used for notifying that described base station is no longer described dispatching user facility new data packets in current discontinuous reception DRX cycle；
Described subscriber equipment indicates information according to described first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX；
Wherein, if described PDCCH command scheduling be downlink data packet or if packet is not dispatched in described PDCCH order, the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame.
2. method according to claim 1, it is characterized in that, described first instruction information is the instruction information of last new data packets scheduling in current DRX cycle, terminates the instruction information of DRX-InactivityTimer or no longer restart the instruction information of DRX-InactivityTimer.
3. method according to claim 1 and 2, it is characterised in that spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of PDCCH order described in described first instruction Information Pull indicate.
4. according to the arbitrary described method of claims 1 to 3, it is characterised in that described PDCCH order is the PDCCH order that described base station carries out last new data packets scheduling in current DRX cycle.
5. method according to claim 4, it is characterised in that after the physical downlink control channel PDCCH order that described reception base station sends, described method also includes:
If described last new data packets is new downlink data packet, the hybrid automatic repeat-request HARQ feedback information corresponding for described last new data packets first subframe within the next DRX cycle duration timer onDurationTimer persistent period or default subframe are fed back to described base station by described subscriber equipment.
6. the method according to the arbitrary described method of claim 1-5, it is characterised in that after the physical downlink control channel PDCCH order that described reception base station sends, described method also includes:
If the new downlink data packet of incorrectly decoded described PDCCH command scheduling in HARQ RTT two-way time intervalometer timing, the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to described new downlink data packet do not restarted by described subscriber equipment.
7. according to the arbitrary described method of claim 1-6, it is characterized in that, if described PDCCH command scheduling is upstream data bag, the difference that the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of described PDCCH command scheduling.
8. according to the arbitrary described method of claim 1-7, it is characterised in that described any instant be described present sub-frame, present sub-frame after first subframe or described first preset value itself.
9. the method for a discontinuous reception, it is characterised in that described method includes:
Subscriber equipment receives physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, described PDCCH order or described MACCE order include: the first instruction information, and described first instruction information is used for notifying that described base station is no longer described dispatching user facility new data packets in current discontinuous reception DRX cycle；
Described subscriber equipment indicates information according to described first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX；
Wherein, if described PDCCH command scheduling is upstream data bag, the difference that the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of described PDCCH command scheduling.
10. method according to claim 9, it is characterized in that, described first instruction information is the instruction information of last new data packets scheduling in current DRX cycle, terminates the instruction information of DRX-InactivityTimer or no longer restart the instruction information of DRX-InactivityTimer.
11. the method according to claim 9 or 10, it is characterised in that spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of PDCCH order described in described first instruction Information Pull indicate.
12. according to the arbitrary described method of claim 9-11, it is characterised in that described PDCCH order is the PDCCH order that described base station carries out last new data packets scheduling in current DRX cycle.
13. method according to claim 12, it is characterised in that after the physical downlink control channel PDCCH order that described reception base station sends, described method also includes:
If described last new data packets is new downlink data packet, the hybrid automatic repeat-request HARQ feedback information corresponding for described last new data packets first subframe within the next DRX cycle duration timer onDurationTimer persistent period or default subframe are fed back to described base station.
14. according to the arbitrary described method of claim 9-13, it is characterised in that after the physical downlink control channel PDCCH order that described reception base station sends, described method also includes:
If the new downlink data packet of incorrectly decoded described PDCCH command scheduling in HARQ RTT two-way time intervalometer timing, do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to described new downlink data packet.
15. according to the arbitrary described method of claim 9-14, it is characterized in that, if described PDCCH command scheduling be downlink data packet or if packet is not dispatched in described PDCCH order, the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame.
16. according to the arbitrary described method of claim 9-15, it is characterised in that described any instant be described present sub-frame, present sub-frame after first subframe or described first preset value itself.
17. a subscriber equipment, it is characterised in that described device includes:
Receiver module, for receiving physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, described PDCCH order or described MACCE order include: the first instruction information, and described first instruction information is used for notifying that described base station is no longer described dispatching user facility new data packets in current discontinuous reception DRX cycle；
Processing module, for indicating information according to described first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX；
Wherein, if described PDCCH command scheduling be downlink data packet or if packet is not dispatched in described PDCCH order, the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame.
18. subscriber equipment according to claim 17, it is characterized in that, described first instruction information is the instruction information of last new data packets scheduling in current DRX cycle, terminates the instruction information of DRX-InactivityTimer or no longer restart the instruction information of DRX-InactivityTimer.
19. the subscriber equipment according to claim 17 or 18, it is characterised in that spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of PDCCH order described in described first instruction Information Pull indicate.
20. according to the arbitrary described subscriber equipment of claim 17-19, it is characterised in that described PDCCH order is the PDCCH order that described base station carries out last new data packets scheduling in current DRX cycle.
21. subscriber equipment according to claim 20, it is characterised in that described subscriber equipment also includes:
Feedback module, after receiving the physical downlink control channel PDCCH order that base station sends, if described last new data packets is new downlink data packet, the hybrid automatic repeat-request HARQ feedback information corresponding for described last new data packets first subframe within the next DRX cycle duration timer onDurationTimer persistent period or default subframe are fed back to described base station.
22. according to the arbitrary described subscriber equipment of claim 17-21, it is characterised in that described subscriber equipment also includes:
Start module, after receiving the physical downlink control channel PDCCH order that base station sends, if the new downlink data packet of incorrectly decoded described PDCCH command scheduling in HARQ RTT two-way time intervalometer timing, do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to described new downlink data packet.
23. according to the arbitrary described subscriber equipment of claim 17-22, it is characterized in that, if described PDCCH command scheduling is upstream data bag, the difference that the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of described PDCCH command scheduling.
24. according to the arbitrary described subscriber equipment of claim 17-23, it is characterised in that described any instant be described present sub-frame, present sub-frame after first subframe or described first preset value itself.
25. a subscriber equipment, it is characterised in that described subscriber equipment includes:
Receiver module, for receiving physical downlink control channel PDCCH order or the first CE order of media access control MAC control that base station sends, described PDCCH order or described MACCE order include: the first instruction information, and described first instruction information is used for notifying that described base station is no longer described dispatching user facility new data packets in current discontinuous reception DRX cycle；
Processing module, for indicating information according to described first, any instant from present sub-frame to the first preset value or from first subframe after present sub-frame to the first preset value any instant, terminate or no longer restart the static intervalometer DRX-InactivityTimer of DRX；
Wherein, if described PDCCH command scheduling be downlink data packet or if packet is not dispatched in described PDCCH order, the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame.
26. subscriber equipment according to claim 25, it is characterized in that, described first instruction information is the instruction information of last new data packets scheduling in current DRX cycle, terminates the instruction information of DRX-InactivityTimer or no longer restart the instruction information of DRX-InactivityTimer.
27. the subscriber equipment according to claim 25 or 26, it is characterised in that spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of PDCCH order described in described first instruction Information Pull indicate.
28. according to the arbitrary described subscriber equipment of claim 25-27, it is characterised in that described PDCCH order is the PDCCH order that described base station carries out last new data packets scheduling in current DRX cycle.
29. device according to claim 28, it is characterised in that described subscriber equipment also includes:
Feedback module, after receiving the physical downlink control channel PDCCH order that base station sends, if described last new data packets is new downlink data packet, the hybrid automatic repeat-request HARQ feedback information corresponding for described last new data packets first subframe within the next DRX cycle duration timer onDurationTimer persistent period or default subframe are fed back to described base station.
30. according to the arbitrary described subscriber equipment of claim 25-29, it is characterised in that described subscriber equipment also includes:
Start module, after receiving the physical downlink control channel PDCCH order that base station sends, if the new downlink data packet of incorrectly decoded described PDCCH command scheduling in HARQ RTT two-way time intervalometer timing, do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to described new downlink data packet.
31. according to the arbitrary described subscriber equipment of claim 25-30, it is characterized in that, if described PDCCH command scheduling is upstream data bag, the difference that the maximum of described first preset value is DRX-InactivityTimer difference between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or DRX-InactivityTimer between the subframe of the runtime value of present sub-frame and the uplink of described PDCCH command scheduling.
32. according to the arbitrary described subscriber equipment of claim 25-31, it is characterised in that described any instant be described present sub-frame, present sub-frame after first subframe or described first preset value itself.
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| CN201110031595.3A CN102625432B (en) | 2011-01-28 | 2011-01-28 | A kind of method and apparatus of discontinuous reception |
| CN201610076849.6A CN105722195B (en) | 2011-01-28 | 2011-01-28 | Discontinuous reception method and device |
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| WO2021027963A1 (en) * | 2019-08-15 | 2021-02-18 | 华为技术有限公司 | Timer control method, apparatus and system |
| CN112399435B (en) * | 2019-08-15 | 2022-10-04 | 华为技术有限公司 | Timer control method, device and system |
| CN112399435A (en) * | 2019-08-15 | 2021-02-23 | 华为技术有限公司 | Timer control method, device and system |
| CN113225845A (en) * | 2020-01-21 | 2021-08-06 | 华硕电脑股份有限公司 | Method and apparatus for handling sidelink discontinuous reception with respect to periodic transmissions |
| WO2024007882A1 (en) * | 2022-07-08 | 2024-01-11 | 华为技术有限公司 | Communication method and communication apparatus |
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| CN105722195B (en) | 2019-12-24 |
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