CN102932884B - A kind of method and system for realizing DRX - Google Patents
A kind of method and system for realizing DRX Download PDFInfo
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- CN102932884B CN102932884B CN201110231611.3A CN201110231611A CN102932884B CN 102932884 B CN102932884 B CN 102932884B CN 201110231611 A CN201110231611 A CN 201110231611A CN 102932884 B CN102932884 B CN 102932884B
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- drx
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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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a kind of method and systems for realizing DRX, and UE is enable to enter special DRX state according to the DRX control signaling received.The technology for realizing DRX of the present invention, can guarantee that the state of UE can most preferably match the transmission feature of business datum, reach optimal power saving performance.
Description
Technical field
The present invention relates to the communications fields, and in particular to and a kind of realization DRX (Discontinuous Reception, it is discontinuous
Receive) method and system.
Background technique
The effect of DRX mechanism, briefly i.e. user equipment (UE) ceases listening for physical down in following period of time and controls letter
Road (PDCCH), plays the effect of power saving.
DRX is divided to two kinds: one of DRX is free time (IDLE) DRX.At this point, without wireless heterogeneous networks (RRC) connect with
And the specific resource of user.If UE wants monitoring users data channel, connection status must be introduced into from IDLE state.
Another DRX is busy (ACTIVE) DRX, i.e. UE is under RRC connection (RRC-CONNECTED) state
DRX.ACTIVE DRX can be with optimization system resource distribution, it is often more important that can save the power consumption of UE.
In fact, connected state UE remains that monitoring paging (Paging), to know the information of system message modification, therefore
For a connected state UE, two DRX processes may be maintained.General System can be coordinated to configure Paging period and DRX
Period, so that UE monitors paging channel within On Duration (activation phase) period, to avoid UE from suspend mode (sleep) state
It wakes up to read Paging.
With the extensive use of intelligent UE and enriching for service application, in the case where business feature is more complicated, need
Longer DRX cycle is introduced so that UE more power saving.The period of longDRXcycle if (long DRX cycle) with respect to Paging and
Speech is arranged to obtain very big (such as tens seconds), then the period for longDRXcycle and Paging carries out coordinating to configure just comparing
Difficulty, thus will appear dormant period of the UE under DRX control and the case where Paging occur, such UE need dormant period wake up with
Paging is read, and in paging subframe will not include the downlink signal or data in addition to paging signaling for the UE,
It is unfavorable for UE power saving in this way.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of method and system for realizing DRX, to guarantee the shape of UE
State can most preferably match the transmission feature of business datum, reach optimal power saving performance.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A method of realizing DRX, this method comprises:
User equipment (UE) enters special DRX state according to the DRX control signaling received.
The new DRX control signaling includes new media access control control element MAC Control Element, nothing
At least one of line resources control RRC signaling, physical layer control signaling；
The special DRX state are as follows: by including DRX cycle Cycle be infinity infinity including special parameter
Determining DRX state；
The mode for notifying the special DRX state include: UE by by index index indicate it is pre-specified more
One of kind state；Or, UE is arranged directly specific DRX configuration parameter as the notice.
Whether need to carry out special DRX control before carrying out the notice, be determined one of by the following method:
By network side according to the transmission feature of downlink data, determine to execute special DRX control；
Alternatively, actively being initiated DRX state according to the transmission feature of upstream data by UE and updating request；
It is controlled and specifically alternatively, being determined by the transmissions feature of the comprehensive uplink and downlink data of network side and carrying out special DRX
Control mode.
This method further include: during UE is in the suspend mode sleep that special DRX is controlled,
If there is upstream data will be sent, UE initiating random access procedure, and automatically exit from special DRX control process；
Alternatively, UE is waken up after receiving network side paging paging if there is downlink data will be sent, random access is initiated
Process, and automatically exit from special DRX control process.
This method further include:
When UE exits special DRX control process, DRX control process before returning back to, or matched again by network side
Set DRX cycle.
A kind of system for realizing DRX, the system include new DRX control signaling processing unit, DRX state trigger unit；Its
In,
The new DRX control signaling processing unit, for introducing new DRX control signaling；
The DRX state trigger unit, for being controlled according to the introduced new DRX of the new DRX control signaling processing unit
Signaling processed, notice UE enter special DRX state.
The new DRX control signaling includes new MAC Control Element, RRC signaling, physical layer control signaling
At least one of；
The special DRX state are as follows: by including DRX Cycle be infinity including the DRX that determines of special parameter
State；
The DRX state trigger unit is used for: being indicated in advance by index when notifying the special DRX state
One of various states provided；Or, directly configuring specific DRX configuration parameter as the notice.
The new DRX control signaling processing unit is also used to determine that needing to carry out special DRX controls:
Triggering network side, which determines, needs to carry out special DRX control, comprising: triggering base station is special according to the transmission of downlink data
Point determines to execute special DRX control, and sends DRX control signaling to UE；
Alternatively, triggering UE is controlled by active triggering to carry out special DRX, comprising: UE is according to upstream data for triggering
Transmission feature, it is desirable that network side executes special DRX control, actively initiates DRX state and updates request, network side is sent after agreeing to
DRX control signaling is to UE；
Alternatively, the transmission feature of comprehensive uplink and downlink data, triggering network side finally determines whether to carry out special DRX control
And specific control mode, and DRX control signaling is sent to UE.
During UE is in the suspend mode sleep that special DRX is controlled,
If there is upstream data will be sent, the UE is also used to: initiating random access procedure, and automatically exit from it is special
DRX control process；
If there is downlink data will be sent, the UE is also used to: being waken up, is initiated random by network side by paging paging
Access procedure, and automatically exit from special DRX control process.
The UE is also used to: when exiting special DRX control process, DRX control process before returning back to, or by net
Network side reconfigures DRX cycle.
The present invention realizes the technology of DRX, can guarantee that the state of UE can most preferably match the transmission feature of business datum, reach
To optimal power saving performance.
Detailed description of the invention
Fig. 1 is the general flow chart that the embodiment of the present invention realizes DRX；
Fig. 2 is the system diagram that the embodiment of the present invention realizes DRX.
Specific embodiment
In practical application, new DRX control signaling can be introduced, and by the DRX control signaling fast notification UE into
Enter special DRX state.Based on this, UE can send feature based on real-time data, determine optimal DRX cycle parameter, and
And configuration process can be completed by new DRX control signaling in time, such as determining for UE inside setting is updated according to the parameter newly configured
When device (Timer) value to reduce the meaningless probability waken up of UE reach more preferably power saving effect.
Specifically, the new DRX control signaling, including new MAC Control Element (media access control
Control element), RRC signaling, at least one of physical layer control signaling etc.；
The special DRX state, refers to the DRX state determined by special parameter, if DRX cycle (Cycle) is unlimited
(infinity) greatly；It indicates that the mode of the special DRX state has: being indicated by index (index) pre-specified
A certain kind in several states.It is of course also possible to directly configure specific DRX configuration parameter.
Need to carry out special DRX control further, it is possible to be determined by network side, if evolution base station (eNB) is according to downlink
The transmission feature of data determines to execute special DRX control, and sends DRX control signaling to UE.
It is of course also possible to be controlled by UE by active triggering to carry out special DRX, if UE is according to the transmission of upstream data
Feature, it is desirable that network side executes special DRX control, actively initiates DRX state and updates request, network side sends DRX after agreeing to
Control signaling is to UE.
In practical applications, the transmission feature that can integrate uplink and downlink data is finally determined whether to carry out by network side special
Different DRX control and specific control mode, and DRX control signaling is sent to UE.
During UE is in the sleep that special DRX is controlled, if there is upstream data will be sent, UE can be initiated at random
Access procedure, and special DRX control process is automatically exited from, the DRX control process before returning back to, or again by network side
Configure DRX cycle；If there is downlink data will be sent, network side by paging wake up UE, UE initiating random access procedure, and
Special DRX control process, the DRX control process before returning back to are automatically exited from, or is reconfigured DRX weeks by network side
Phase.
Below with reference to examples and drawings, present invention is described.
Embodiment 1: using downlink data feature as judgment basis, judge whether to execute special DRX control；It is touched by network side
Send out DRX order.
UE1 in RRC connected state is carrying out business transmission, eNB or base station (Node B), wireless network side controller
It (RNC) and the network controls device of other forms etc. is, the DRX configuration parameter of UE1 configuration according to current business feature are as follows:
OnDurationTimer (activation phase timer)；Psf8 (8 subframes comprising PDCCH)；
Drx-InactivityTimer (DRX packet data inactivity timer)；Psf4 (4 subframes comprising PDCCH)；
Drx-RetransmissionTimer (DRX retransmission timer)；Psf8 (8 subframes comprising PDCCH)；
LongDRX-CycleStartOffset (long DRX cycle starts to deviate)；Sf640 (640 subframes), INTEGER
(integer) (0..639)；
ShortDRX-Cycle (short DRX cycle)；Sf32 (32 subframes)；
DrxShortCycleTimer (short DRX cycle number), INTEGER (4).
In DRX configuration parameter control process, eNB discovery data send feature and change, for example, at subsequent 2 points
It to be sent in clock without downlink data；Then eNB determines that carrying out special DRX to UE1 controls, it is desirable that UE is immediately entered for a long time
Dormant state does not need to wake up according to the DRX configuration parameter timing being configured, to achieve the effect that further power saving.
ENB configuration concurrency send DRX control signaling that can configure above-mentioned DRX configuration parameter to UE1, eNB, such as therein
LongDRX-CycleStartOffset can be configured to king-sized value, such as sf2560, it might even be possible to be configured to
infinity。
Alternatively, it is also possible to predefine the special DRX configuration of several sets, every set DRX is configured and is made of above-mentioned parameter, wherein
Value be suitble to different business characteristics.ENB directly notifies that UE1 is special using which set by configured DRX control signaling
DRX configuration, UE1 according to predefined parameter configuration knows the parameter that should be used after receiving.
ENB can transmit DRX by new MAC Control Element, RRC signaling or physical layer control signaling
Control signaling；
After UE1 receives the DRX control signaling of eNB transmission, the DRX such as new DRX cycle parameter are configured according to instruction therein
Configuration parameter, and DRX process is executed according to new DRX configuration parameter.
During UE1 is in the sleep that special DRX is controlled, if there is upstream data will be sent, UE1 can initiate with
Machine access procedure, and special DRX control process is automatically exited from, the DRX control process before returning back to, or again by eNB
Configure DRX cycle；If there is downlink data will be sent, eNB by paging wake up UE1, UE1 initiating random access procedure, and
Special DRX control process, the DRX control process before returning back to are automatically exited from, or DRX cycle is reconfigured by eNB.
Embodiment 2: using upstream data feature as judgment basis, UE judges whether to update DRX configuration parameter；And informing network
Current data send feature；Finally by network side decision to confirm whether or not triggering DRX order and determine specific DRX
Configuration parameter.
UE2 in RRC connected state is carrying out business transmission, the network of eNB or Node B, RNC and other forms
Side controller etc. is the DRX configuration parameter of UE1 configuration according to current business feature are as follows:
onDurationTimer；Psf8 (8 subframes comprising PDCCH)；
drx-InactivityTimer；Psf4 (4 subframes comprising PDCCH)；
drx-RetransmissionTimer；Psf8 (8 subframes comprising PDCCH)；
longDRX-CycleStartOffset；Sf640 (640 subframes), INTEGER (0..639)；
shortDRX-Cycle；Sf32 (32 subframes)；
DrxShortCycleTimer, INTEGER (4).
In DRX configuration parameter control process, UE2 discovery upstream data sends feature and changes, for example, subsequent
It to be sent in 2 minutes without upstream data；
Then UE2 actively initiates DRX state update request to eNB, wherein the transmission interval of instruction upstream data.DRX state
Updating request can be transmitted by MAC Control Element, RRC signaling or physical layer control signaling.
After the DRX state that eNB receives UE2 transmission updates request, interval is sent according to the upstream data wherein configured, and
And current downlink data is combined to send feature, whether decision, which carries out special DRX to UE2, controls.
Specific decision process can be with are as follows: if what UE2 ran at present is pure uplink service, eNB can be sent according to UE2
DRX state update the upstream data that is configured in request and send interval DRX used when carrying out special DRX control to determine matches
Set parameter；
If what UE2 was run at present is two-way services, eNB also needs to judge the transmission feature of UE2 downlink data, comprehensive
Consider that uplink and downlink data send feature, it is final to determine DRX configuration parameter used when carrying out special DRX control.Such as, with number
It is spaced according to transmission on the basis of the data in lesser direction and configures DRX configuration parameter.
ENB configuration concurrency send DRX control signaling that can configure above-mentioned DRX configuration parameter to UE2, eNB, such as therein
LongDRX-CycleStartOffset can be configured to king-sized value, such as sf2560, it might even be possible to be configured to
infinity。
Alternatively, it is also possible to predefine the special DRX configuration of several sets, every set DRX is configured and is made of above-mentioned parameter, wherein
Value be suitble to different business characteristics.ENB directly notifies that UE1 is special using which set by configured DRX control signaling
DRX configuration, UE1 according to predefined parameter configuration knows the parameter that should be used after receiving.
ENB can transmit DRX control by new MAC Control Element, RRC signaling or physical layer control signaling
Signaling processed；
After UE2 receives the DRX control signaling of eNB transmission, the DRX such as new DRX cycle parameter are configured according to instruction therein
Configuration parameter, and DRX process is executed according to new DRX configuration parameter.
During UE2 is in the sleep that special DRX is controlled, if there is upstream data will be sent, UE2 can initiate with
Machine access procedure, and special DRX control process is automatically exited from, the DRX control process before returning back to, or again by eNB
Configure DRX cycle；If there is downlink data will be sent, eNB by paging wake up UE2, UE2 initiating random access procedure, and
Special DRX control process, the DRX control process before returning back to are automatically exited from, or DRX cycle is reconfigured by eNB.
In conjunction with the above various embodiments as it can be seen that the present invention realizes that the operation thinking of DRX can indicate process as shown in Figure 1,
The process the following steps are included:
Step 110: introducing new DRX control signaling.
Step 120: according to introduced new DRX control signaling, UE being notified to enter special DRX state.
In order to guarantee that above-mentioned technical description and operation thinking can be realized smoothly, setting as shown in Figure 2 can be carried out.
Referring to fig. 2, Fig. 2 is the system diagram that the embodiment of the present invention realizes DRX, which includes that connected new DRX control signaling processing is single
Member, DRX state trigger unit.
In practical application, new DRX control signaling processing unit can introduce new DRX control signaling.The triggering of DRX state
Unit then can be introduced according to the new DRX control signaling processing unit new DRX control signaling, notice UE enter it is special
DRX state.
In summary as it can be seen that either method or system, the present invention realize the technology of DRX, can guarantee the state of UE
The transmission feature that business datum can most preferably be matched, reaches optimal power saving performance.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (6)
1. a kind of method for realizing discontinuous reception DRX, which is characterized in that this method comprises:
User equipment (UE) is configured according to the DRX control signaling received into predefined DRX；
Wherein, the predefined DRX be configured to DRX state trigger unit by index index indicate it is pre-specified
More set DRX configuration in a set of DRX configuration；Wherein, a set of DRX configuration includes multiple DRX configuration parameters；
When the UE exits predefined DRX configuration, the DRX control process before returning back to；
The DRX control signaling includes new media access control control element MAC Control Element, radio resource control
At least one of RRC signaling processed, physical layer control signaling；
The predefined DRX be configured that by including DRX cycle Cycle be infinity infinity including special parameter it is true
Fixed DRX configuration.
2. being led to the method according to claim 1, wherein whether needing to carry out predefined DRX control
Before knowing, it is determined one of by the following method:
By network side according to the transmission feature of downlink data, determine to execute predefined DRX control；
Alternatively, actively being initiated DRX configuration according to the transmission feature of upstream data by UE and updating request；
Predefined DRX control and specific control are carried out alternatively, being determined by the transmission feature of the comprehensive uplink and downlink data of network side
Mode processed.
3. according to claim 1 to 2 described in any item methods, which is characterized in that this method further include: when UE is in predefined
DRX control suspend mode sleep during,
If there is upstream data will be sent, UE initiating random access procedure, and automatically exit from predefined DRX control process；
Alternatively, UE is waken up after receiving network side paging paging if there is downlink data will be sent, random access mistake is initiated
Journey, and automatically exit from predefined DRX control process.
4. a kind of system for realizing DRX, which is characterized in that the system includes new DRX control signaling processing unit, the touching of DRX state
Bill member；Wherein,
The new DRX control signaling processing unit, for introducing new DRX control signaling；
The DRX state trigger unit, for controlling letter according to the introduced new DRX of the new DRX control signaling processing unit
It enables, notice UE is configured into predefined DRX；Wherein, the DRX state trigger unit is notifying the predefined DRX to match
It when setting, is used for: indicating that a set of DRX in pre-specified more set DRX configuration is configured by index；Wherein, described a set of
DRX configuration includes multiple DRX configuration parameters；When the UE exits predefined DRX configuration, the DRX before returning back to was controlled
Journey；
The DRX control signaling include new MAC Control Element, RRC signaling, in physical layer control signaling at least it
One；
The predefined DRX be configured that by including DRX Cycle be infinity including the DRX that determines of special parameter match
It sets.
5. system according to claim 4, which is characterized in that the new DRX control signaling processing unit is also used to determine
Need to carry out predefined DRX control:
Triggering network side determination needs to carry out predefined DRX control, comprising: triggering base station is special according to the transmission of downlink data
Point determines to execute predefined DRX control, and sends DRX control signaling to UE；
Alternatively, triggering UE carries out predefined DRX control by active triggering, comprising: trigger UE according to the hair of upstream data
Send feature, it is desirable that network side executes predefined DRX control, actively initiates DRX configuration and updates request, network side is sent after agreeing to
DRX control signaling is to UE；
Alternatively, the transmission feature of comprehensive uplink and downlink data, triggering network side finally determine whether to carry out predefined DRX control with
And specific control mode, and DRX control signaling is sent to UE.
6. according to the described in any item systems of claim 4 to 5, which is characterized in that when UE is in stopping for predefined DRX control
During dormancy sleep,
If there is upstream data will be sent, the UE is also used to: initiating random access procedure, and automatically exits from predefined DRX
Control process；
If there is downlink data will be sent, the UE is also used to: being waken up by paging paging by network side, is initiated random access
Process, and automatically exit from predefined DRX control process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231611.3A CN102932884B (en) | 2011-08-12 | 2011-08-12 | A kind of method and system for realizing DRX |
| PCT/CN2012/077171 WO2013023484A1 (en) | 2011-08-12 | 2012-06-19 | Method and system for implementing drx |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231611.3A CN102932884B (en) | 2011-08-12 | 2011-08-12 | A kind of method and system for realizing DRX |
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| CN102932884A CN102932884A (en) | 2013-02-13 |
| CN102932884B true CN102932884B (en) | 2019-08-13 |
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| WO (1) | WO2013023484A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491516B (en) * | 2013-09-27 | 2018-05-15 | 东莞宇龙通信科技有限公司 | The transmission method of control signaling and base station |
| US10075988B2 (en) * | 2014-01-06 | 2018-09-11 | Intel IP Corporation | Discontinuous reception (DRX) alignment techniques for dual-connectivity architectures |
| CN104812031A (en) * | 2014-01-26 | 2015-07-29 | 中兴通讯股份有限公司 | Energy-saving method and energy-saving system of machine type communication (MTC) user equipment, user equipment and radio network controller (RNC) |
| US10499451B2 (en) | 2014-06-13 | 2019-12-03 | Apple Inc. | Adaptive C-DRX management |
| CN108616902B (en) * | 2016-12-14 | 2020-03-17 | 维沃移动通信有限公司 | Discontinuous reception method, configuration method, terminal, base station and configuration system |
| BR112019022696A2 (en) * | 2017-05-04 | 2020-05-19 | Guangdong Oppo Mobile Telecommunications Corp Ltd | method for batch reception, terminal device and network device |
| CN113541904A (en) * | 2017-06-16 | 2021-10-22 | 华为技术有限公司 | DRX configuration method, terminal equipment, network equipment and communication system |
| CN110536380A (en) * | 2018-08-10 | 2019-12-03 | 中兴通讯股份有限公司 | State determination, indicating means, communication equipment, system and storage medium |
| WO2021147006A1 (en) * | 2020-01-22 | 2021-07-29 | Lenovo (Beijing) Limited | Sidelink reception alignment |
| CN115968555A (en) * | 2020-08-27 | 2023-04-14 | 华为技术有限公司 | Communication method and device |
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| US20100208660A1 (en) * | 2009-02-19 | 2010-08-19 | Samsung Electronics Co., Ltd. | Method for distributed drx operation for ease of scheduling and effective power saving |
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- 2012-06-19 WO PCT/CN2012/077171 patent/WO2013023484A1/en active Application Filing
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| CN101361298A (en) * | 2006-06-16 | 2009-02-04 | 三菱电机株式会社 | Mobile communication system and mobile terminal |
| CN101959302A (en) * | 2009-07-20 | 2011-01-26 | 大唐移动通信设备有限公司 | Method, equipment and system for starting discontinuous reception (DRX) mechanism |
| CN102932881A (en) * | 2011-08-10 | 2013-02-13 | 中兴通讯股份有限公司 | Discontinuous reception (DRX) method and system |
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| CN102932884A (en) | 2013-02-13 |
| WO2013023484A1 (en) | 2013-02-21 |
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