CN104349432B - A kind of indicating means and device of cell serves pause - Google Patents
A kind of indicating means and device of cell serves pause Download PDFInfo
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- CN104349432B CN104349432B CN201310317331.3A CN201310317331A CN104349432B CN 104349432 B CN104349432 B CN 104349432B CN 201310317331 A CN201310317331 A CN 201310317331A CN 104349432 B CN104349432 B CN 104349432B
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- cell
- instruction
- transient period
- system information
- dci
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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
- H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave where the power saving management affects multiple terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention proposes a kind of schemes for discontinuously sending in cell and notifying UE to suspend about cell serves in scene.In one embodiment, cell is by sending the instruction that cell will close using paging information.It by using technical solution provided in the present invention, solves the problems, such as not notifying in time UE cell that will close in cell DTX scene, utmostly maintains the compatibility with existing system, while reducing the battery consumption of UE as far as possible.
Description
Technical field
The present invention relates to the schemes that system side in mobile communication technology field is discontinuously sent, more particularly to long term evolution
Discontinuous transmission (DTX-Discontinuous is used in (LTE-Long Term Evolusion) system
Transmission) the notification scheme of the base station of technology.
Background technique
Third generation cooperative partner program (3GPP-3rd Generation Partner Project) is in version 12(R12-
Release12 the project that Microcell enhancing (SCE-Small Cell Enhancement) is introduced in), in the base of R11 research
The solution that message capacity and robustness are further increased in cellulor deployment especially large scale deployment scene is studied on plinth.
One of challenge is: a large amount of deployment of cellulor can bring the interference of neighboring community's common signal channel and public reference signal, example
Such as Physical Downlink Control Channel (PDCCH-Physical Downlink Control Channel), cell reference signals (CRS-
Cell Reference Signal), broadcast control channel (BCCH-Broadcast Control Channel) etc..In order to
It reduces this kind of interference while saving the energy of base station side, cell discontinuously sends (DTX-Discontinuous
Transmission) technology is introduced into discussion, i.e., cell is according to the discrete above-mentioned common signal channel and public of sending of network instruction
Reference signal and other possible downlink datas.The control information transmitted on PDCCH is known as downlink control instructions (DCI-
Downlink Control Indicator).
In LTE system, base station is by sending paging message (PM-Paging Message) calling user device (UE-User
Equipment).Carry PM Physical Downlink Shared Channel (PDSCH-Physical Downlink Shared Channel) by
Pager wireless net network fixes tentatively identity (P-RNTI:Paging Radio Network Temporary Identifier) mark
DCI scheduling.UE can receive PM using discontinuous (DRX-Discontinuous Reception) state that receives, i.e., only need
PM is received at the specific calling time of UE (PO-Paging Occasions), receiver can be closed at other moment to save electricity
Pond energy.The possible DRX cycle of UE is { 320,640,1280,2560 } millisecond (ms-millisecond).The PO is specific
Specific sub-frame in frame is calculated by the identifier (ue-identity) and high-rise configuration parameter of UE.
PM is upper may to carry following flag information:
System information changes (systemInfoModification), after UE is detected, changes in next system information
The initial position in period receives the system information of update.The LTE system information most fast change period is 640ms.
Earthquake and tsunami warning system instruction (etws-Indication), after UE is detected, without waiting for next system
The initial position in information of uniting change period, receives the first system block of information (SIB1-System Information at once
) and etws information Block1.
Commercial affairs are mobile to remind service instruction (cmas-Indication), after UE is detected, without waiting for next system
Information changes the initial position in period, receives the first system block of information (SIB1-System Information Block1) at once
With cmas information.
The access of extension limits parameter change (eab-ParamModification), after UE is detected, without waiting for
The initial position in next system information change period, receives the first system block of information (SIB1-System Information at once
) and eab information Block1.
LTE system SIB1 is sent in the 5th subframe, and sending cycle is 80ms, i.e., sends at mod80=0 SFN, but in SFN
It is retransmitted at mod2=0, the SFN is System Frame Number (System Frame Number).
It introduces after cell DTX technology, a problem to be solved is, when cell stops sending in subsequent subframe, such as
What notifying user equipment (UE) service is by pause so that UE carries out cell reselection operation in time.It is particularly in idle state
UE, the period for executing cell reselection are general long (several seconds).It should be noted that, although problem originates from cellulor,
The present disclosure applies equally to macrocellulars.
Summary of the invention
The invention discloses a kind of methods in system equipment, wherein includes the following steps:
A. within the transient period, abandon send be used to indicate system information block 1(SIB1) downlink control instructions (DCI-
Downlink Control Indicator)
B. within the transient period, the paging message comprising specific instruction is sent, the specific instruction is comprising at least such as
It is one of lower:
System information changes (systemInfoModification)
Earthquake and tsunami warning system instruction (etws-Indication)
Commercial affairs are mobile to remind service instruction (cmas-Indication)
The access of extension limits parameter change (eab-ParamModification)
Cell will close instruction
Wherein, the transient period is T successive frame, and T is positive integer.
The DCI for being used to indicate SIB1 is in System Frame Number (SFN-System Frame Number) integral multiple for being 8
It is sent in the 5th subframe in frame, identity (SI-RNTI:System Information is fixed tentatively by system information wireless network
Radio Network Temporary Identifier) mark.It is above-mentioned abandon sending refer to and do not send described be used to indicate
The DCI of SIB1, the resource saved can be used for transmission other signals.
It is instruction no on existing PM that the cell, which will close instruction, and data type is enumeration type, enumerates range
It is { true } i.e. that instruction appearance then indicates that cell serves will close, do not occur the instruction then cell normal service.The cell
Instruction, which will be closed, may be only available for the UE of R12 and postorder version.
The transmission subframe of the paging message is determined according to the prior art by high system level configuration.It is above-mentioned
SystemInfoModification, etws-Indication, cmas-Indication, eab-ParamModification
It is the information supported in existing LTE system PM, while supports traditional UE or R12 and later release UE.For
SystemInfoModification, UE receive instruction and then receive in the initial time of next system information update cycle
SIB1;Other three are indicated, UE receives any one, and then reception SIB1(is not to wait for next system letter immediately
Cease the update cycle).Since cell is abandoned sending the DCI for detecting SIB1, UE can not detect the DCI, i.e., lose with cell
It goes to contact, and then starts cell reselection operation.This method is suitble to the UE of tradition UE and R12.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
C. it within the transient period, abandons sending main synchronizing sequence (PSS), secondary synchronization sequences (SSS), physical broadcast letter
Road (PBCH), all system information blocks (SIB).
The physical resource of the PSS, the SSS and the PBCH be it is fixed, abandon send mean keep zero energy,
It cannot be used for sending other signals.The SIB includes the PDSCH for the DCI of scheduling and for carrying information, is saved
SIB resource can be used to send other signals.It abandons sending above- mentioned information, UE is prevented to execute cell searching and random access mistake
Journey.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
D. it before broadcast message is sent next time after the transient period, abandons sending Physical Downlink Control Channel
(PDCCH), cell reference signals (CRS), Physical Control Format Indicator Channel (PCFICH).
The transmission of broadcast message next time refers to the restarting service of DTX cell.Step D means to enter cell dormancy
State does not send traditional downstream service.
Specifically, according to an aspect of the present invention, which is characterized in that the T is equal to the paging week of current cell broadcasts
The frame length of phase.
One cell paging period can ensure that calling to the UE of all free time and connection status.
The invention discloses a kind of methods in user equipment (UE), wherein includes the following steps:
A. cell is received on paging message will close instruction
B. cell reselection operation is executed
In above-mentioned steps A, instruction will be closed by only describing cell.Paging message includes
SystemInfoModification, etws-Indication, cmas-Indication, eab-ParamModification
When, the operation of UE is executed according to the prior art, is not belonging to disclosure of the invention range.Above-mentioned steps B is the prior art, including under
The detection of row synchronizing channel, Physical Broadcast Channel detection, CRS detection, the processes such as SIB detection.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps before step B:
B0. detection system information wireless network is temporary in the 5th subframe in the frame of System Frame Number (SFN) integral multiple for being 8
The downlink control instructions (DCI) for determining identity (SI-RNTI) mark, are not detected the DCI.
The DCI for the SI-RNTI mark transmitted in the 5th subframe in the frame for the integral multiple that SFN is 8 is for dispatching SIB1, UE
It only needs to detect DCI, the PDSCH without detecting carrying SIB1 can determine whether to execute cell reselection operation, save electricity
Pond expense.
The invention discloses a kind of network side equipments, which is characterized in that the equipment includes:
First module: within the transient period, abandon send be used to indicate system information block 1(SIB1) downlink control instructions
(DCI)
Second module: within the transient period, the paging message comprising specific instruction is sent, the specific instruction includes
It is at least one of following:
System information changes (systemInfoModification)
Earthquake and tsunami warning system instruction (etws-Indication)
Commercial affairs are mobile to remind service instruction (cmas-Indication)
The access of extension limits parameter change (eab-ParamModification)
Cell will close instruction
Wherein, the transient period is T successive frame, and T is positive integer.
As one embodiment, in above equipment further include:
Third module: it within the transient period, abandons sending main synchronizing sequence (PSS), secondary synchronization sequences (SSS), object
It manages broadcast channel (PBCH), all system information blocks (SIB).
The physical resource of the PSS, the SSS and the PBCH be it is fixed, abandon send mean keep zero energy,
It cannot be used for sending other signals.The SIB includes the PDSCH for the DCI of scheduling and for carrying information, is saved
SIB resource can be used to send other signals.
As one embodiment, in above equipment further include:
4th module: it before broadcast message is sent next time after the transient period, abandons sending physical down control
Channel (PDCCH) processed, cell reference signals (CRS), Physical Control Format Indicator Channel (PCFICH).
The invention discloses a kind of user equipment (UE), which is characterized in that the equipment includes:
First module: cell is received on paging message will close instruction
Second module: cell reselection operation is executed
The present invention is solved the problems, such as not notifying in time UE cell that will close in cell DTX scene, be sought by utilizing
It exhales information to send the instruction that cell will close, utmostly maintains the compatibility with existing system, while reducing as far as possible
The battery consumption of UE.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the timing diagram that base station according to an embodiment of the invention sends instruction out of service;
Fig. 2 shows the structural block diagrams according to an embodiment of the invention for the processing unit in UE;
Fig. 3 shows the structural block diagram according to an embodiment of the invention for the processing unit in base station;
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 is the timing diagram that base station sends instruction out of service, as shown in Fig. 1.In the present embodiment, it is assumed that base
The paging cycle stood is 128 frames, and having 32 frames in each paging cycle includes that i.e. every 4 frame of paging information sends a paging information.
The PDSCH for sending SIB1 is dispatched in the DCI that the 5th subframe of 8N frame sends SI-RNTI mark in base station, and wherein N is integer;
Base station repeats to send the PDSCH of carrying SIB1 in 8N+2 frame, 8N+4 frame, 8N+6 frame;8N+8 frame is to 8N+135 frame
For the transient period, within the transient period, the scheduling DCI of SIB1 is abandoned sending in base station;Before the transient period and institute
It states in the transient period, base station sends paging information, and the paging information includes systemInfoModification, etws-
Indication, cmas-Indication, eab-ParamModification.Except the transient period, i.e., from 8N+
136 frames start to activate until next time, and base station enters dormant state, stop sending PDCCH, CRS, PCFICH.
Embodiment 2
Embodiment 2 is the example that another base station sends instruction out of service, as shown in Fig. 1.It is false in the present embodiment
The paging cycle for determining base station is 128 frames, and having 32 frames in each paging cycle includes that i.e. every 4 frame of paging information sends primary paging letter
Breath.The PDSCH for sending SIB1 is dispatched in the DCI that the 5th subframe of 8N frame sends SI-RNTI mark in base station, and wherein N is whole
Number;Base station repeats to send the PDSCH of carrying SIB1 in 8N+2 frame, 8N+4 frame, 8N+6 frame;8N+7 frame is to 8N+134
Frame is the transient period, within the transient period, base station abandon send PSS, SSS, PBCH, all SIB information (including scheduling
DCI);Before the transient period and in the transient period, base station sends paging information, and the paging information includes cell
Instruction will be closed.Except the transient period, i.e., until activating next time since 8N+135 frame, base station enters suspend mode
State stops sending PDCCH, CRS, PCFICH.
Embodiment 3
Embodiment 3 is the structural block diagram according to an embodiment of the invention for the processing unit in UE, such as attached drawing 2
It is shown.In attached drawing 2, UE device 200 is made of first device 201 and second device 202.Device 201 receives paging information, if
Instruction will be closed comprising cell in paging information, device 202 executes cell reselection operation, under the cell reselection operation includes
Row synchronizes, and PBCH is received, and SIB is received.
Embodiment 4
Embodiment 4 is the structural block diagram according to an embodiment of the invention for the processing unit in base station, such as attached
Shown in Fig. 3.In attached drawing 3, base station apparatus 300 is made of first device 301 and second device 302.Device 301 is within the transient period
Abandon sending the DCI of instruction SIB1, the dotted line expression in attached drawing 3 is abandoned sending;Device 302 sends paging letter within the transient period
Breath, the paging information include at least one of following:
System information changes (systemInfoModification)
Earthquake and tsunami warning system instruction (etws-Indication)
Commercial affairs are mobile to remind service instruction (cmas-Indication)
The access of extension limits parameter change (eab-ParamModification)
Cell will close instruction
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of method in system equipment, wherein include the following steps:
A. it within the transient period, abandons sending the downlink control instructions (DCI) for being used to indicate system information block 1 (SIB1)
B. within the transient period, send include specific instruction paging message, the specific instruction comprising at least it is following it
One:
System information changes (systemInfoModification)
Earthquake and tsunami warning system instruction (etws-Indication)
Commercial affairs are mobile to remind service instruction (cmas-Indication)
The access of extension limits parameter change (eab-ParamModification)
Cell will close instruction
Wherein, the transient period is T successive frame, and T is positive integer.
2. the method according to claim 1, wherein further including following steps:
C. it within the transient period, abandons sending main synchronizing sequence (PSS), secondary synchronization sequences (SSS), Physical Broadcast Channel
(PBCH), all system information blocks (SIB).
3. the method according to claim 1, wherein further including following steps:
D. it before broadcast message is sent next time after the transient period, abandons sending Physical Downlink Control Channel
(PDCCH), cell reference signals (CRS), Physical Control Format Indicator Channel (PCFICH).
4. the method according to claim 1, wherein the T is equal to the frame of the paging cycle of current cell broadcasts
It is long.
5. a kind of method in user equipment (UE), wherein include the following steps:
A. cell is received on paging message will close instruction
B. cell reselection operation is executed;
Further include following steps before step B:
B0. detection system information wireless network fixes tentatively body in the 5th subframe in the frame of System Frame Number (SFN) integral multiple for being 8
The downlink control instructions (DCI) of part (SI-RNTI) mark, are not detected the DCI.
6. a kind of network side equipment, which is characterized in that the equipment includes:
First module: it within the transient period, abandons sending the downlink control instructions for being used to indicate system information block 1 (SIB1)
(DCI)
Second module: within the transient period, the paging message comprising specific instruction is sent, the specific instruction is comprising at least
It is one of following:
System information changes (systemInfoModification)
Earthquake and tsunami warning system instruction (etws-Indication)
Commercial affairs are mobile to remind service instruction (cmas-Indication)
The access of extension limits parameter change (eab-ParamModification)
Cell will close instruction
Wherein, the transient period is T successive frame, and T is positive integer.
7. equipment according to claim 6, which is characterized in that further include:
Third module: it within the transient period, abandons sending main synchronizing sequence (PSS), secondary synchronization sequences (SSS), physics is wide
It broadcasts channel (PBCH), all system information blocks (SIB).
8. equipment according to claim 6, which is characterized in that further include:
4th module: it before broadcast message is sent next time after the transient period, abandons sending physical down control letter
Road (PDCCH), cell reference signals (CRS), Physical Control Format Indicator Channel (PCFICH).
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CN101959292A (en) * | 2009-07-20 | 2011-01-26 | 华为技术有限公司 | Method, equipment and system for saving energy for base station |
WO2011085238A2 (en) * | 2010-01-08 | 2011-07-14 | Interdigital Patent Holdings, Inc. | Managing power consumption in base stations and remote access points |
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CN101959292A (en) * | 2009-07-20 | 2011-01-26 | 华为技术有限公司 | Method, equipment and system for saving energy for base station |
WO2011085238A2 (en) * | 2010-01-08 | 2011-07-14 | Interdigital Patent Holdings, Inc. | Managing power consumption in base stations and remote access points |
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