CN102625432B - A kind of method and apparatus of discontinuous reception - Google Patents
A kind of method and apparatus of discontinuous reception Download PDFInfo
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- CN102625432B CN102625432B CN201110031595.3A CN201110031595A CN102625432B CN 102625432 B CN102625432 B CN 102625432B CN 201110031595 A CN201110031595 A CN 201110031595A CN 102625432 B CN102625432 B CN 102625432B
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Abstract
The invention discloses a kind of method and apparatus of discontinuous reception, belong to communication technical field.Does method comprise: receive PDCCH or MAC that base station sends? CE order, PDCCH order/MAC? CE order comprises: the first indication information and/or the second indication information, the first/the second indication information is for notifying that UE base station no longer retransmits for UE dispatches new data packets/descending HARQ in current DRX cycle, according to the first indication information, from present sub-frame or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer of DRX, according to the second indication information, from present sub-frame or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer, sleep state is entered as early as possible to make UE.The present invention makes UE enter sleep state as early as possible by such scheme, saves power consumption.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method and apparatus of discontinuous reception.
Background technology
In order to save UE (UserEquipment, subscriber equipment) power consumption, a kind of DRX (DiscontinuousReception, discontinuous reception) technology is introduced in LTE (LongTermEvolution, Long Term Evolution) system.
In LTEDRX technology, at the initial period of 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 does not receive any schedule information within the onDurationTimer time, then UE enters sleep state, stops monitoring PDCCH channel.If within the onDurationTimer time, UE receives schedule information at PDCCH channel, when base station be UE dispatch new packet time, UE needs start or restart DRX-InactivityTimer (the static timer 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 because UE may 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 a timer for each HARQ (HybridAutomaticRepeatRequest, hybrid automatic repeat-request) process, and also 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 stops, then UE can enter sleep state, these DRX retransmission timers do not stop else if, then UE needs to wait for that these DRX retransmission timers just can enter sleep state after stopping.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
UE need DRX-InactivityTime and DRX-RetransmissionTimer timing terminate laggard enter sleep state, thus it is comparatively slow to cause UE to enter sleep state, wastes a lot of power.
Summary of the invention
In order to make UE enter sleep state as early as possible, embodiments provide a kind of method and apparatus of discontinuous reception.Described technical scheme is as follows:
A method for discontinuous reception, described method comprises:
Receive physical downlink control channel PDCCH order or the media access control MAC balancing boom CE order of base station transmission, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for base station described in notifying user equipment UE in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle,
According to described first indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer DRX-InactivityTimer of DRX, wherein, if if described PDCCH command scheduling is that downlink data packet or described PDCCH order do not have data dispatching bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if described PDCCH command scheduling is upstream data bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or the difference of DRX-InactivityTimer between the runtime value of present sub-frame and the subframe of the uplink of described PDCCH command scheduling, and/or
According to described second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of described second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
A method for discontinuous reception, described method comprises:
Generate physical downlink control channel PDCCH order or media access control MAC balancing boom CE order, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for base station described in notifying user equipment UE in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station 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 stops or no longer restarts the static timer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer to user equipment (UE).
A device for discontinuous reception, described device comprises:
Receiver module, for receiving physical downlink control channel PDCCH order or the media access control MAC balancing boom CE order of base station transmission, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for base station described in notifying user equipment UE in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle,
Processing module, for according to described first indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer DRX-InactivityTimer of DRX, wherein, if if described PDCCH command scheduling is that downlink data packet or described PDCCH order do not have data dispatching bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if described PDCCH command scheduling is upstream data bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or the difference of DRX-InactivityTimer between the runtime value of present sub-frame and the subframe of the uplink of described PDCCH command scheduling, and/or
According to described second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of described second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
A device for discontinuous reception, described device comprises:
Generation module, for generating physical downlink control channel PDCCH order or media access control MAC balancing boom CE order, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for base station described in notifying user equipment UE in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station 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 user equipment (UE), to notify that described UE stops or no longer restarts the static timer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: the first indication information and/or the second indication information that are received base station transmission by UE, according to the first indication information from present sub-frame to the first preset value any instant or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, according to the second indication information from present sub-frame to the second preset value any instant or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, sleep state is entered as early as possible to enable UE, thus save power consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 prerequisite not paying creative work, other accompanying drawing can also be obtained 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.
Embodiment
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
See Fig. 1-a, present embodiments provide a kind of method of discontinuous reception, the method specifically can be performed by UE, comprising:
S11: the PDCCH order or the MAC (MediumAccessControl that receive base station transmission, medium education) CE (ControlElement, balancing boom) order, this PDCCH order comprises: the first indication information and/or the second indication information, this MACCE order comprises: the first indication information and/or the second indication information, wherein, this first indication information is used for this base station of notifying user equipment UE in current discontinuous reception DRX cycle no longer for this UE dispatches new data packets, this second indication 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 indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer DRX-InactivityTimer of DRX; And/or
According to this second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer DRX-RetransmissionTimer.
Described any instant is the some moment in the described time period, can be first subframe after 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 if this PDCCH command scheduling is that downlink data packet or this PDCCH order do not have data dispatching bag, the maximum of this first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if this PDCCH command scheduling is upstream data bag, the maximum of this first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or the difference of DRX-InactivityTimer between the runtime value of present sub-frame and the subframe of the uplink of this PDCCH command scheduling.The maximum of this second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
See Fig. 1-b, the method specifically can be performed by base station, comprising:
S21: generate PDCCH order or MACCE order, this PDCCH order comprises: the first indication information and/or the second indication information, this MACCE order comprises: the first indication information and/or the second indication information, wherein, this first indication information is used for this base station of notifying user equipment UE no longer for this UE dispatches new data packets in current DRX cycle, and this second indication 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 stops or no longer restarts the static timer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer.
The present embodiment receives the first indication information and/or second indication information of base station transmission by UE, according to the first indication information from present sub-frame to the first preset value any instant or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, according to the second indication information from present sub-frame to the second preset value any instant or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, sleep state is entered as early as possible to enable UE, thus save power consumption.
Embodiment 2
See Fig. 2, present embodiments provide a kind of method of discontinuous reception, comprising:
101: base station sends PDCCH order or MACCE order to UE, and PDCCH order comprises: the first indication information, and MACCE order comprises: the first indication information, the first indication information is for notifying UE base station in current DRX cycle no longer for UE dispatches new data packets.
Concrete, when the scheduling of last new data packets can be carried out in base station in current DRX cycle, send PDCCH order to UE, also namely this PDCCH order is the PDCCH order that last new data packets scheduling is carried out in base station in current DRX cycle.
Wherein, the first indication information can be indication information, the indication information of " stopping DRX-InactivityTimer " or the indication information of " no longer restarting DRX-InactivityTimer " of " in current DRX cycle last new data packets scheduling ".
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 idle Bit (position), idle condition or invalid value in the DCI of PDCCH order (DownlinkControlInformation, Downlink Control Information) form to indicate the first indication information.
For the 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 when detecting that the PUSCHRB of a non-multiple of 2,3 or 5 distributes, then UE thinks that this PDCCH is invalid PDCCH.In the present embodiment, the information bit of the non-LTEPUSCHRB allotment in PDCCH order (i.e. the PUSCHRB allotment of the non-multiple of 2,3 or 5) is utilized to carry the first indication information.
For the reservation state in the DCI format of PDCCH order, base station can utilize the information bit of the reservation state of the PRACH in the DCI format 1A of PDCCH order (PhysicalRandomAccessChannel, Physical Random Access Channel) Maskindex (camouflage mark) to carry the first indication information.
102:UE receives PDCCH order or the MACCE order of base station transmission, according to the first indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, sleep state is entered as early as possible to enable UE
Wherein, if if PDCCH command scheduling is that downlink data packet or PDCCH order do not have data dispatching bag, the maximum of the first preset value is the difference of DRX-InactivityTimer 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 the difference of DRX-InactivityTimer 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 in the PDCCH order of base station transmission the schedule information comprising transfer of data (comprise new data packets transmission and retransmit), UE from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, to enable UE enter sleep state as early as possible, be like this in order to make UE can on present sub-frame continuous reception by the data of PDCCH command scheduling.Be appreciated that, if UE receives the schedule information not comprising transfer of data in the PDCCH order of base station transmission, UE can from present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, enter sleep state as early as possible to enable UE.If present sub-frame does not have data to be scheduled, then UE can direct dormancy from present sub-frame.
Further, if PDCCH order is the PDCCH order that last new data packets scheduling is carried out in base station in current DRX cycle, after UE receives the PDCCH order of base station transmission, the method also comprises:
If a) last new data packets is new downlink data packet, first subframe of HARQ feedback information corresponding for last new data packets within the next DRX cycle onDurationTimer duration 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, namely UE does not perform uplink in the subframe of the uplink of this PDCCH command scheduling.
Further, after UE receives the PDCCH order of base station transmission, the method also comprises:
If UE is at HARQRTT (RoundTripTime, two-way time) be not correctly decoded the new downlink data packet that this PDCCH dispatches in Timer (timer) timing, then UE does not restart the DRX-RetransmissionTimer of HARQ process corresponding to this new downlink data, enters sleep state as early as possible to enable UE.
The first indication information that the present embodiment UE sends according to base station, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, to enable UE enter sleep state as early as possible, thus save power consumption.
Embodiment 3
See Fig. 3, present embodiments provide a kind of method of discontinuous reception, comprising:
201: base station sends PDCCH order or MACCE order to UE, PDCCH order comprises: the second indication information, MACCE order comprises: the second indication information, and the second indication information is for notifying that UE base station no longer retransmits for UE dispatching downlink HARQ in current DRX cycle.
Concrete, send PDCCH order when last data retransmission packet scheduling can be carried out in base station in current DRX cycle, also namely PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in base station in current DRX cycle.
Wherein, the second indication information can be the indication information of " in current DRX cycle last data retransmission packet scheduling ", the indication information of " stopping DRX-RetransmissionTimer ", or the indication information of " no longer performing descending HARQ to retransmit ".
Further, the second indication information be also used to indicate the second indication information for HARQ process, represent and stop DRX-RetransmissionTimer for this HARQ process UE, or represent that no longer performing descending HARQ for this HARQ process base station retransmits.
Further, the second indication information is also used to indicate the given sub-frame that UE receives the next DRX cycle that descending HARQ retransmits.
Concrete, in order to not increase the blind Detecting number of times of UE, base station can utilize idle Bit (position), idle condition or invalid value in the DCI format of PDCCH order to transmit the second indication information.
For the 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 when detecting that the PUSCHRB of a non-multiple of 2,3 or 5 distributes, then UE thinks that this PDCCH is invalid PDCCH.In the present embodiment, the information bit of the non-LTEPUSCHRB allotment in PDCCH order (i.e. the PUSCHRB allotment of the non-multiple of 2,3 or 5) is utilized to carry the second indication information.
For the 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 indication information.
202:UE receives PDCCH order or the MACCE order of base station transmission, according to the second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, sleep state is entered as early as possible to enable UE, wherein, the maximum of the second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
Concrete, if UE receives in the PDCCH order of base station transmission the schedule information comprising transfer of data (comprise new data packets transmission and retransmit), UE from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, to enable UE enter sleep state as early as possible, be like this in order to make UE can on present sub-frame continuous reception by the data of PDCCH command scheduling.Be appreciated that, if UE receives the schedule information not comprising transfer of data in the PDCCH order of base station transmission, UE from present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, enter sleep state as early as possible to enable UE.If present sub-frame does not have data to be scheduled, then UE can direct dormancy from present sub-frame.
Further, UE receive base station send PDCCH order or MACCE order after, the method also comprises:
The UE of UE indicated by the second indication information receives the given sub-frame of the next DRX cycle that descending HARQ retransmits, and receives descending HARQ retransmit in the given sub-frame of next DRX cycle.Or according to the default subframe that UE and base station arrange in advance, UE receives descending HARQ in the default subframe of next DRX cycle and retransmits.
The second indication information that the present embodiment UE sends according to base station, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, to enable UE enter sleep state as early as possible, thus save power consumption.
Embodiment 4
See Fig. 4, present embodiments provide a kind of method of discontinuous reception, comprising:
301: base station sends PDCCH order or MACCE order to UE, and PDCCH order comprises: the first indication information and the second indication information, and MACCE order comprises: the first indication information and the second indication information.
Wherein, the implication reference example 2 of the first indication information, the implication reference example 3 of the second indication information.
Concrete, when the scheduling of last new data packets can be carried out in base station in current DRX cycle, send PDCCH order to UE, also namely this PDCCH order is the PDCCH order that last new data packets scheduling is carried out in base station in current DRX cycle.Or send PDCCH order when last data retransmission packet scheduling can be carried out in base station in current DRX cycle, also namely PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in base station in current DRX cycle.
302:UE receives PDCCH order or the MACCE order of base station transmission, according to the first indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, simultaneously according to the second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, sleep state is entered as early as possible to enable UE.
Concrete, if UE receives in the PDCCH order of base station transmission the schedule information comprising transfer of data (comprise new data packets transmission and retransmit), UE is according to the first indication information, any instant from the subframe of first after present sub-frame to the first preset value, stop or no longer restart DRX-InactivityTimer, UE is according to the second indication information simultaneously, any instant from the subframe of first after present sub-frame to the second preset value, stop or no longer restart DRX-RetransmissionTimer, entering sleep state as early as possible to enable UE.Be like this in order to make UE can on present sub-frame continuous reception by the data of PDCCH command scheduling.
Or, if UE receives the schedule information not comprising transfer of data in the PDCCH order of base station transmission, UE is according to the first indication information, any instant from present sub-frame to the first preset value, stop or no longer restart DRX-InactivityTimer, UE is according to the second indication information simultaneously, any instant from present sub-frame to the second preset value, stop or no longer restart DRX-RetransmissionTimer, entering sleep state as early as possible to enable UE.If present sub-frame does not have data to be scheduled, then UE can direct dormancy from present sub-frame.
Wherein, the implication reference example 3 of implication reference example 2, second preset value of the first preset value.
The present embodiment receives the first indication information and second indication information of base station transmission by UE, according to the first indication information from present sub-frame to the first preset value any instant or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, according to the second indication information from present sub-frame to the second preset value any instant or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, with enable UE more F.F. enter sleep state, thus save more power consumption.
Embodiment 5
See Fig. 5, present embodiments provide a kind of device of discontinuous reception, this device can be specifically UE, and this device comprises:
Receiver module 401, for receiving physical downlink control channel PDCCH order or the media access control MAC balancing boom CE order of base station transmission, this PDCCH order comprises: the first indication information and/or the second indication information, this MACCE order comprises: the first indication information and/or the second indication information, wherein, this first indication information is used for this base station of notifying user equipment UE in current discontinuous reception DRX cycle no longer for this UE dispatches new data packets, this second indication 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 indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer DRX-InactivityTimer of DRX, wherein, if if this PDCCH command scheduling is that downlink data packet or this PDCCH order do not have data dispatching bag, the maximum of this first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if this PDCCH command scheduling is upstream data bag, the maximum of this first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or the difference of DRX-InactivityTimer between the runtime value of present sub-frame and the subframe of the uplink of this PDCCH command scheduling, and/or
According to this second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of this second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
Wherein, this first indication information is the indication information of last new data packets scheduling in current DRX cycle, the indication information of termination DRX-InactivityTimer or the indication information of no longer restarting DRX-InactivityTimer.
Wherein, this first indication information or this second indication information utilize the spare bits Bit in the Downlink Control Information DCI format of this PDCCH order, idle condition or invalid value to indicate.
Wherein, this PDCCH order is the PDCCH order that last new data packets scheduling is carried out in this base station in current DRX cycle.
Further, this device also comprises:
Feedback module, for receive base station send physical downlink control channel PDCCH order after, if this last new data packets is new downlink data packet, first subframe of hybrid automatic repeat-request HARQ feedback information corresponding for this last new data packets within the next DRX cycle duration timer onDurationTimer duration or default subframe are fed back to this base station.
Further, this device also comprises:
Start module, for receive base station send physical downlink control channel PDCCH order after, if be not correctly decoded the new downlink data packet of this PDCCH command scheduling in HARQ RTT two-way time timer, do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to this new downlink data packet, enter sleep state as early as possible to enable this UE.
Wherein, this second indication information be last data retransmission packet scheduling in current DRX cycle indication information, stop DRX-RetransmissionTimer indication information or no longer perform the indication information that descending HARQ retransmits.
Wherein, this second indication information be also used to indicate this second indication information for HARQ process.
Wherein, this second indication information is also used to indicate the given sub-frame that this UE receives the next DRX cycle that descending HARQ retransmits;
This receiver module 401, after the physical downlink control channel PDCCH order receiving base station transmission or media access control MAC balancing boom CE order, also for according to this second indication information, receives descending HARQ in the given sub-frame of next DRX cycle and retransmits.
Wherein, this receiver module 401, after the physical downlink control channel PDCCH order receiving base station transmission or media access control MAC balancing boom CE order, also retransmits for receiving descending HARQ in the default subframe of next DRX cycle.
Wherein, this PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in this base station in current DRX cycle.
The device of the present embodiment can be specifically UE, and belong to same design with the UE in embodiment of the method, specific implementation process refers to embodiment of the method, repeats no more here.
The present embodiment receives the first indication information and/or second indication information of base station transmission by UE, according to the first indication information from present sub-frame to the first preset value any instant or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart DRX-InactivityTimer, according to the second indication information from present sub-frame to the second preset value any instant or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX-RetransmissionTimer, sleep state is entered as early as possible to enable UE, thus save power consumption.
Embodiment 6
See Fig. 6, present embodiments provide a kind of device of discontinuous reception, this device can be specifically base station, comprising:
Generation module 501, for generating physical downlink control channel PDCCH order or media access control MAC balancing boom CE order, this PDCCH order comprises: the first indication information and/or the second indication information, this MACCE order comprises: the first indication information and/or the second indication information, wherein, this first indication information is used for this base station of notifying user equipment UE in current discontinuous reception DRX cycle no longer for this UE dispatches new data packets, this second indication 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 UE, to notify that this UE stops or no longer restarts the static timer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer.
Wherein, this first indication information is the indication information of last new data packets scheduling in current DRX cycle, the indication information of termination DRX-InactivityTimer or the indication information of no longer restarting DRX-InactivityTimer; Or
This second indication information be last data retransmission packet scheduling in current DRX cycle indication information, stop DRX-RetransmissionTimer indication information or no longer perform the indication information that descending HARQ retransmits.
Wherein, this first indication information or this second indication information utilize the spare bits Bit in the Downlink Control Information DCI format of this PDCCH order, idle condition or invalid value to indicate.
Wherein, this PDCCH order is the PDCCH order that last new data packets scheduling is carried out in this base station in current DRX cycle; Or
This PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in this base station in current DRX cycle.
The device of the present embodiment can be specifically base station, and belong to same design with the base station in embodiment of the method, specific implementation process refers to embodiment of the method, repeats no more here.
The present embodiment is generated by base station and sends the PDCCH order or the MACCE order that comprise the first indication information and/or the second indication information to UE, UE is made to stop or no longer restart DRX-InactivityTimer and/or DRX-RetransmissionTimer, to enable UE enter sleep state as early as possible, thus save power consumption.
All or part of content in the technical scheme that above embodiment provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: the hard disk in computer, CD or floppy disk.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (26)
1. a method for discontinuous reception, is characterized in that, described method comprises:
Receive physical downlink control channel PDCCH order or the media access control MAC balancing boom CE order of base station transmission, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for base station described in notifying user equipment UE in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle,
According to described first indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer DRX-InactivityTimer of DRX, wherein, if if described PDCCH command scheduling is that downlink data packet or described PDCCH order do not have data dispatching bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if described PDCCH command scheduling is upstream data bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or the difference of DRX-InactivityTimer between the runtime value of present sub-frame and the subframe of the uplink of described PDCCH command scheduling, and/or
According to described second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of described second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
2. method according to claim 1, it is characterized in that, described first indication information is the indication information of last new data packets scheduling in current DRX cycle, the indication information of termination DRX-InactivityTimer or the indication information of no longer restarting DRX-InactivityTimer; Or,
Described second indication information be last data retransmission packet scheduling in current DRX cycle indication information, stop DRX-RetransmissionTimer indication information or no longer perform the indication information that descending HARQ retransmits.
3. method according to claim 1, is characterized in that, described first indication information or described second indication information utilize spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of described PDCCH order to indicate.
4. method according to claim 1, is characterized in that, described PDCCH order is the PDCCH order that last new data packets scheduling is carried out in described base station in current DRX cycle; Or,
Described PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in described base station in current DRX cycle.
5. method according to claim 4, is characterized in that, after the physical downlink control channel PDCCH order that described reception base station sends, described method also comprises:
If described last new data packets is new downlink data packet, first subframe of hybrid automatic repeat-request HARQ feedback information corresponding for described last new data packets within the next DRX cycle duration timer onDurationTimer duration or default subframe are fed back to described base station.
6. method according to claim 1, is characterized in that, after the physical downlink control channel PDCCH order that described reception base station sends, described method also comprises:
If be not correctly decoded the new downlink data packet of described PDCCH command scheduling in HARQ RTT two-way time timer, do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to described new downlink data packet.
7. method according to claim 1, is characterized in that, described second indication information be also used to indicate described second indication information for HARQ process.
8. method according to claim 1, is characterized in that, described second indication information is also used to indicate the given sub-frame that described UE receives the next DRX cycle that descending HARQ retransmits;
After the physical downlink control channel PDCCH order that described reception base station sends or media access control MAC balancing boom CE order, described method also comprises:
According to described second indication information, receive descending HARQ in the given sub-frame of next DRX cycle and retransmit.
9. method according to claim 1, is characterized in that, after the physical downlink control channel PDCCH order that described reception base station sends or media access control MAC balancing boom CE order, described method also comprises:
Receive descending HARQ in the default subframe of next DRX cycle to retransmit.
10. a method for discontinuous reception, is characterized in that, described method comprises:
Generate physical downlink control channel PDCCH order or media access control MAC balancing boom CE order, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for notifying user equipment UE base station in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station 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 stops or no longer restarts the static timer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer to described UE.
11. methods according to claim 10, it is characterized in that, described first indication information is the indication information of last new data packets scheduling in current DRX cycle, the indication information of termination DRX-InactivityTimer or the indication information of no longer restarting DRX-InactivityTimer; Or
Described second indication information be last data retransmission packet scheduling in current DRX cycle indication information, stop DRX-RetransmissionTimer indication information or no longer perform the indication information that descending HARQ retransmits.
12. methods according to claim 10, is characterized in that, described first indication information or described second indication information utilize spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of described PDCCH order to indicate.
13. methods according to claim 10, is characterized in that, described PDCCH order is the PDCCH order that last new data packets scheduling is carried out in described base station in current DRX cycle; Or
Described PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in described base station in current DRX cycle.
The device of 14. 1 kinds of discontinuous receptions, is characterized in that, described device comprises:
Receiver module, for receiving physical downlink control channel PDCCH order or the media access control MAC balancing boom CE order of base station transmission, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for base station described in notifying user equipment UE in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station no longer retransmits for described UE dispatching downlink hybrid automatic repeat-request HARQ in current DRX cycle,
Processing module, for according to described first indication information, any instant from present sub-frame to the first preset value or from the subframe of first after present sub-frame to the first preset value any instant, stop or no longer restart the static timer DRX-InactivityTimer of DRX, wherein, if if described PDCCH command scheduling is that downlink data packet or described PDCCH order do not have data dispatching bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame, if described PDCCH command scheduling is upstream data bag, the maximum of described first preset value is the difference of DRX-InactivityTimer between the runtime value and the maximum of DRX-InactivityTimer of present sub-frame or the difference of DRX-InactivityTimer between the runtime value of present sub-frame and the subframe of the uplink of described PDCCH command scheduling, and/or
According to described second indication information, any instant from present sub-frame to the second preset value or from the subframe of first after present sub-frame to the second preset value any instant, stop or no longer restart DRX retransmission timer DRX-RetransmissionTimer, wherein, the maximum of described second preset value is the difference of DRX-RetransmissionTimer between the runtime value and the maximum of DRX-RetransmissionTimer of present sub-frame.
15. devices according to claim 14, it is characterized in that, described first indication information is the indication information of last new data packets scheduling in current DRX cycle, the indication information of termination DRX-InactivityTimer or the indication information of no longer restarting DRX-InactivityTimer; Or,
Described second indication information be last data retransmission packet scheduling in current DRX cycle indication information, stop DRX-RetransmissionTimer indication information or no longer perform the indication information that descending HARQ retransmits.
16. devices according to claim 14, is characterized in that, described first indication information or described second indication information utilize spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of described PDCCH order to indicate.
17. devices according to claim 14, is characterized in that, described PDCCH order is the PDCCH order that last new data packets scheduling is carried out in described base station in current DRX cycle; Or,
Described PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in described base station in current DRX cycle.
18. devices according to claim 17, is characterized in that, described device also comprises:
Feedback module, for receive base station send physical downlink control channel PDCCH order after, if described last new data packets is new downlink data packet, first subframe of hybrid automatic repeat-request HARQ feedback information corresponding for described last new data packets within the next DRX cycle duration timer onDurationTimer duration or default subframe are fed back to described base station.
19. devices according to claim 14, is characterized in that, described device also comprises:
Start module, for receive base station send physical downlink control channel PDCCH order after, if be not correctly decoded the new downlink data packet of described PDCCH command scheduling in HARQ RTT two-way time timer, do not restart the DRX retransmission timer DRX-RetransmissionTimer of HARQ process corresponding to described new downlink data packet.
20. devices according to claim 14, is characterized in that, described second indication information be used to indicate described second indication information for HARQ process.
21. devices according to claim 14, is characterized in that, described second indication information is also used to indicate the given sub-frame that described UE receives the next DRX cycle that descending HARQ retransmits;
Described receiver module, after the physical downlink control channel PDCCH order receiving base station transmission or media access control MAC balancing boom CE order, also for according to described second indication information, receives descending HARQ in the given sub-frame of next DRX cycle and retransmits.
22. devices according to claim 14, it is characterized in that, described receiver module, after the physical downlink control channel PDCCH order receiving base station transmission or media access control MAC balancing boom CE order, also retransmits for receiving descending HARQ in the default subframe of next DRX cycle.
The device of 23. 1 kinds of discontinuous receptions, is characterized in that, described device comprises:
Generation module, for generating physical downlink control channel PDCCH order or media access control MAC balancing boom CE order, described PDCCH order comprises: the first indication information and/or the second indication information, described MACCE order comprises: the first indication information and/or the second indication information, wherein, it is no longer that described UE dispatches new data packets that described first indication information is used for notifying user equipment UE base station in current discontinuous reception DRX cycle, described second indication information is used for notifying that described in described UE, base station 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 user equipment (UE), to notify that described UE stops or no longer restarts the static timer DRX-InactivityTimer of DRX and/or DRX retransmission timer DRX-RetransmissionTimer.
24. devices according to claim 23, it is characterized in that, described first indication information is the indication information of last new data packets scheduling in current DRX cycle, the indication information of termination DRX-InactivityTimer or the indication information of no longer restarting DRX-InactivityTimer; Or
Described second indication information be last data retransmission packet scheduling in current DRX cycle indication information, stop DRX-RetransmissionTimer indication information or no longer perform the indication information that descending HARQ retransmits.
25. devices according to claim 23, is characterized in that, described first indication information or described second indication information utilize spare bits Bit, idle condition or invalid value in the Downlink Control Information DCI format of described PDCCH order to indicate.
26. devices according to claim 23, is characterized in that, described PDCCH order is the PDCCH order that last new data packets scheduling is carried out in described base station in current DRX cycle; Or
Described PDCCH order is the PDCCH order that last data retransmission packet scheduling is carried out in described base station in current DRX cycle.
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| CN201610076849.6A CN105722195B (en) | 2011-01-28 | 2011-01-28 | Discontinuous reception method and device |
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