CN102917444B - The method and device of discontinuous reception under idle condition - Google Patents
The method and device of discontinuous reception under idle condition Download PDFInfo
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- CN102917444B CN102917444B CN201110218010.9A CN201110218010A CN102917444B CN 102917444 B CN102917444 B CN 102917444B CN 201110218010 A CN201110218010 A CN 201110218010A CN 102917444 B CN102917444 B CN 102917444B
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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
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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
- H04W68/005—Transmission of information for alerting of incoming communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention is applicable to the communications field, provide the method for discontinuous reception, Apparatus and system under a kind of idle condition, the method includes: send non access stratum NAS message to mobile management entity MME, this NAS message includes: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and the unit of time of this DRX cycle so that the numerical value of described DRX cycle and the unit of time of described DRX cycle are carried and is forwarded to evolved base station eNB in the beep-page message of core net CN side by described MME；Numerical value and the unit of time of described DRX cycle according to described DRX cycle calculate calling time, receive, at this calling time, the Radio Access Network RAN side beep-page message that described eNB sends.The technical scheme that the present invention provides has prolongation DRX cycle, the advantage saving UE electricity.
Description
Technical field
The invention belongs to the communications field, particularly relate to the method and device of discontinuous reception under a kind of idle condition.
Background technology
Radio Access Network (Radio Access in Long Term Evolution (Long Term Evolution, LTE) standard
Network, RAN) side defines the two states of subscriber equipment (User Equipment, UE): empty
Not busy state and connected state.UE under Idle state can perform to receive system information broadcast, monitor paging channel, community
Gravity treatments etc., now do not preserve the wireless money of UE in evolved base station (Evolved Node Base, eNB)
Source controls (Radio Resource Control, RRC) context；Under connected state, between UE is with eNB
Having been set up RRC to connect, and preserve the RRC context of UE, the UE under connected state can perform capture
System message, measure and measure to report and carry out the reception of data between network and transmission, monitoring control letter
Road etc..It addition, in order to save UE battery and improve the utilization rate of resource, eNB can be according to the activeness of UE
Situation is that it configures discontinuous reception (Discontinuous Reception, the DRX) cycle.
In LTE standard, different DRX be have employed for the UE under idle condition and the UE under connection status
Mechanism, the DRX mechanism that UE in an idle state uses is specifically as follows: UE is at Non-Access Stratum (Non
Access Stratum, NAS) in message, specific for UE DRX cycle T1 is reported mobile management entity
(Mobility Management Entity, MME), when UE is called, MME is according to comprehensive region
(Tracking Area, TA) information sends core net (Core Network, CN) side beep-page message to eNB,
Comprising UE specific DRX cycle T1 and UE in message and identify (UE_ID), eNB compares T1 and T2, wherein
T2 is the calling cycle of community acquiescence, and selects the shorter cycle to be used for calculating calling time and when this paging
Carve the beep-page message sending RAN side to UE.The concrete computational methods of calling time can use following formula 1.1
Calculate with 1.2.
SFN mod T=(T div N) * (UE_ID mod N) 1.1；
I_s=floor (UE_ID/N) mod Ns 1.2；
Its UE_ID represents the mark of UE, and this mark is equal to IMSI mod 1024, and mod represents modulo operation,
IMSI is international mobile subscriber identity.Ns is max (1, nB/T), the maximum in i.e. 1 and nB/T.N is equal to
Min (T, nB), i.e. minima in T and nB.The desirable 4T of nB, 2T, T, T/2, T/4, T/8, T/16, T/32 etc..T
For paging cycle.SFN is the System Frame Number tried to achieve, and i_s is subframe numbers, and System Frame Number and subframe numbers are used for
Obtain calling time.
During realizing the present invention, there are the following problems for the technical scheme of discovery prior art:
In prior art, the unit in cycle is defaulted as millisecond, and regulation from LTE standard is it can be seen that maximum
Paging cycle is also only 512ms, so the technical scheme paging cycle of prior art is short, and UE needs often
Waking up in the individual cycle monitoring beep-page message, this is unfavorable for the economize on electricity of UE.
Summary of the invention
The purpose of the embodiment of the present invention is to provide the method and device of discontinuous reception under a kind of idle condition,
The above-mentioned technical scheme about DRX is applicable to the economize on electricity of bigger paging cycle, beneficially UE.
On the one hand the embodiment of the present invention provides a kind of method of discontinuous reception DRX under idle condition, described side
Method includes:
Sending non access stratum NAS message to mobile management entity MME, this NAS message includes: Yong Hushe
The numerical value of the standby specific discontinuous reception DRX period of UE and the unit of time of this DRX cycle so that institute
State MME to carry the numerical value of described DRX cycle and the unit of time of described DRX cycle in core net CN
Side beep-page message is forwarded to evolved base station eNB；
Numerical value and the unit of time of described DRX cycle according to described DRX cycle calculate calling time,
This calling time receives the Radio Access Network RAN side beep-page message that described eNB sends.
A kind of method that on the other hand embodiment of the present invention provides paging idle condition user equipment (UE), described side
Method includes:
Receive the core net CN side beep-page message that mobile management entity MME sends, this CN side beep-page message
Including: the numerical value of the specific DRX cycle of UE and the unit of time in described DXR cycle；
Numerical value and the unit of time of described DRX cycle according to described DRX cycle calculate calling time；?
Described calling time sends Radio Access Network RAN side beep-page message to described UE.
On the other hand the embodiment of the present invention also provides for the device of discontinuous reception DRX under a kind of idle condition, institute
State device to include:
Transmitting element, for sending non access stratum NAS message, this NAS to mobile management entity MME
Message includes: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and this DRX cycle
Unit of time so that described MME is by single to the numerical value of described DRX cycle and the time of described DRX cycle
Position is carried and is forwarded to evolved base station eNB in the beep-page message of core net CN side；
Computing unit, based on the unit of time of the numerical value according to described DRX cycle and described DRX cycle
Calculate calling time；
Receive unit, for receiving, at this calling time, the Radio Access Network RAN side that described eNB sends
Beep-page message.
On the other hand the embodiment of the present invention provides again the device of a kind of paging idle condition user equipment (UE), described
Device includes:
Receive unit, for receiving the core net CN side beep-page message that mobile management entity MME sends, should
CN side beep-page message includes: the numerical value of the specific DRX cycle of UE and the unit of time in described DXR cycle；
Computing unit, based on the unit of time of the numerical value according to described DRX cycle and described DRX cycle
Calculate calling time；
Transmitting element, for sending Radio Access Network RAN side paging at described calling time to described UE
Message.
In embodiments of the present invention, technical scheme can not only arrange the numerical value of DRX cycle, it is also possible to arranging should
The unit in cycle (such as arrange second or minute etc.), numerical value based on the above-mentioned cycle and unit of time, can obtain
To bigger paging frame numerical value, the paging cycle (DXR cycle) of UE can be extended, and saves the electricity of UE
Amount, and the computational methods of calling time do not change, and do not affect UE of the prior art and normally receive paging
Message, it is achieved the most compatible with prior art.
Accompanying drawing explanation
Fig. 1 is the stream of the method for discontinuous reception under a kind of idle condition that the specific embodiment of the invention provides
Cheng Tu；
Fig. 2 is that the SFN that the specific embodiment of the invention provides extends schematic diagram；
Fig. 3 is the calling time schematic diagram that the specific embodiment of the invention provides；
Fig. 4 is the flow chart of the method for a kind of paging idle condition UE that the specific embodiment of the invention provides；
Fig. 5 is the flow chart of the paging method of a kind of UE that one embodiment of the invention provides；
Fig. 6 is the knot of the device of discontinuous reception under a kind of idle condition that the specific embodiment of the invention provides
Composition；
Fig. 7 is the structure chart of the device of a kind of paging idle condition UE that the specific embodiment of the invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
The method of discontinuous reception under a kind of idle condition that the specific embodiment of the invention provides, the method is real
Existing technology scene is: the method completes between UE, MME and eNB, the method as it is shown in figure 1,
Specifically include:
S11, to MME send NAS message, include in this NAS message: the week of the specific DRX of UE
The numerical value of phase and the unit of time in this cycle；Make described MME by the numerical value of described DRX cycle and described
The unit of time of DRX cycle carries and is forwarded to evolved base station eNB in the beep-page message of core net CN side；
S12, calculate calling time according to the numerical value of the specific DRX cycle of UE and the unit of time in cycle,
The RAN side beep-page message that eNB sends is received at this calling time.
Optionally, it is achieved the method for S12 is specifically as follows: draw system-frame by the numerical computations of DRX cycle
The low-order bit of number SFN；The unit conversion of DRX cycle is become the high order bit of SFN；According to described SFN
High order bit and the low-order bit of SFN determine paging frame, and determine calling time based on described paging frame.
It addition, the mode of above-mentioned calculating SFN low-order bit can use calling time computing formula of the prior art
(i.e. formula 1.1 in background technology) calculates SFN low-order bit.The embodiment of the present invention is equivalent to use meter
The high order bit of the low-order bit sum of the SFN obtained carrys out joint instructions paging frame so that the paging frame obtained
Length be expanded, it is adaptable to the economize on electricity of bigger DRX cycle, beneficially UE.
The high order bit instruction of SFN can be determined according to the default units (ms) of above-mentioned unit of time Yu system
Decimal value corresponding to unit of time, this decimal value is converted into binary numeral, this binary system
Numerical value can think the high order bit of SFN.Such as unit of time is the second, then corresponding decimal value is permissible
Be 1000, then corresponding SFN high order bit can be: 1111101000.In addition to existing LTE
Protocol-compliant, above-mentioned low-order bit is specifically as follows: low 10 bits of SFN, high order bit particularly as follows:
Bit in addition to low-order bit in SFN.The unit of time in cycle can be the second, millisecond or minute etc..
Optionally, said method can also include: sends radio resource control RRC connection to above-mentioned eNB and builds
Vertical request message；Receiving the response message of this RRC connection establishment request message that eNB sends, this response disappears
Breath includes: the high-order extended bit numerical value of the SFN of this eNB；Based on this high position extended bit numerical value and this eNB
The low-order bit of broadcast determines the current SFN of this eNB, holds with this eNB according to the current SFN of this eNB
Row synchronizes.
Optionally, above-mentioned response message can also include system information (SI) timer parameter；Said method is also
May include that and start SI intervalometer immediately based on described SI timer parameter, and surpass at described SI intervalometer
Checked time before whether system information block SIB there occurs renewal；If described SIB there occurs renewal, then root
Indicate according to the scheduling in SIB and receive other SIB information.Without renewal, then explanation SI does not become
Changing, UE goes successively to sleep state and wakes up reception beep-page message at the calling time of UE.Need explanation
It is that above-mentioned timer expiry is that the time threshold issued according to eNB determines, specifically issuing of this time threshold
Mode can be, carry in the message between eNB and UE, and this message can be any message, such as
RRC reconfiguration message, other SIB message or media interviews control (Media Access Control,
MAC) layer message etc., the present invention does not limit to the particular type of above-mentioned message.
It should be noted that above-mentioned corresponding message is specifically as follows: RRC connects reconfiguration message, SIB disappears
Breath or MAC message, also include the height of the SFN of this eNB in the most above-mentioned SIB message or MAC message
Bits Expanding bit value and SI timer parameter.
Additionally, it is contemplated that in order to the UE making former version is unaffected, participate in the DRX cycle parameter calculated
Still use basic numerical value, and the unit of time of DRX cycle be converted into the high order bit instruction of SFN,
Wherein SFN extension schematic diagram is as shown in Figure 2.Such as (MTC-UE also cries machine-to-machine communications user equipment
Machine type communication subscriber equipment) DRX cycle be the T=32 second.For participating in the cycle that calling time calculates
Numerical value T, still makes T=32, and owing to the T unit of prior art acquiescence is millisecond, the embodiment of the present invention sets
The unit of T is the second, and the unit of time of the high order bit instruction of SFN should be decimal value 1000, i.e. SFN
10 bits of high Bits Expanding be binary numeral 1111101000, SFN low 10 still with existing skill
Art is the same.Certainly, it will be understood by those skilled in the art that the selection of unit of time can be arbitrary, not only limit
In millisecond is converted to the second, it is possible to for the time minute the least etc..Such as, when unit of time is minute, its
60000 times are increased, now the numerical value of the high order bit instruction of SFN relative to the unit of time millisecond of acquiescence
It is exactly 60000.
It addition, the method that the embodiment of the present invention provides also add SI intervalometer, because prior art notifies
SI updates in the paging cycle being to occur at community acquiescence, and the MTC-UE that have employed extension DRX cycle exists
It is likely to be at sleep state in the paging cycle of community acquiescence, can not receive the beep-page message of SI update notification, should
As it is shown on figure 3, wherein, T represents acquiescence DRX cycle to calling time schematic diagram, and MP represents the amendment phase,
PF represents paging frame.And SI comprises some configuration informations of paging channel, if being just paging channel
Configuration information there occurs change, and UE is not timely received effective SI, and resulting in that UE is follow-up cannot be just
Often receive beep-page message, therefore set up after RRC connects and determine and use the DRX cycle of extension at UE, by
The intervalometer of eNB one SI effect duration of configuration, UE starts to start this after receiving the parameter of this intervalometer fixed
Time device, and before timer expiry, UE actively wakes up reception SIB1, and checks the valuetag in SIB1
Value is the most identical with the value stored before, if it is different, then explanation SI there occurs change, according in SIB1
Scheduling instruction receive UE need other SIB information；If identical, then explanation SI does not change,
UE goes successively to sleep state and wakes up reception beep-page message at the calling time of UE.
The method that the specific embodiment of the invention provides can not only arrange the numerical value of DRX cycle, it is also possible to arranges
The unit of time in this cycle (such as arrange second or minute etc.), by unit of time and the numerical value of DRX cycle
It is calculated paging frame, only relies on for the numerical value of DRX cycle obtains paging frame relative to prior art, meter
The paging frame numerical value obtained is bigger, it is possible to use be applicable to longer DRX cycle, so by above-mentioned side
Case can extend the paging cycle (DXR cycle) of UE, the electricity of saving UE, and the meter of calling time
Calculation method does not change, and before not affecting, the UE of version normally receives beep-page message, it is achieved with prior art relatively
Good compatibility.
The specific embodiment of the invention also provides for a kind of method of paging idle condition UE, and the method is by eNB
Complete, the method as shown in Figure 4, including:
The core net CN side beep-page message that S41, reception mobile management entity MME send, this CN side is sought
Message is exhaled to include: the numerical value of the specific DRX cycle of UE and the unit of time in described DXR cycle；
S42, unit of time according to the numerical value of described DRX cycle and described DRX cycle calculate calling time；
Radio Access Network RAN side beep-page message is sent to described UE at described calling time.
Optionally, it is achieved the method for S42 is specifically as follows: draw by the numerical computations of described DRX cycle
The low-order bit of system frame number SFN；The unit conversion of described DRX cycle is become the high order bit of SFN；
High order bit and the low-order bit of described SFN according to described SFN determine paging frame, and based on described paging
Frame determines calling time.It addition, the concrete grammar calculating low-order bit and high order bit may refer to realize S12
In associated description, repeat no more here.
Optionally, said method can also include: receives the radio resource control RRC of described UE transmission even
Connect foundation request message；The response message of described RRC connection establishment request message is sent to described UE, should
Response message includes: system frame number SFN high position extended bit numerical value, so that described UE must be based on described height
The low-order bit of Bits Expanding bit value and eNB broadcast determines the current SFN of described eNB and according to described
The current SFN and described eNB of eNB performs Tong Bu.
Optionally, said method also includes:
Receiving the initial context request message that described MME sends, this initial context request message includes:
Represent that described UE can use the instruction information of the DRX cycle of extension；Or described CN side beep-page message is also
Including: represent that described UE can use the instruction information of the DRX cycle of extension.
It should be noted that above-mentioned instruction information can be any type of instruction information.
Optionally, above-mentioned response message includes: RRC connects reconfiguration message, SIB message or MAC message.
Optionally, above-mentioned response message can also include: SI timer parameter.
The method that the embodiment of the present invention provides, when calculating calling time, not only relies on the numerical value of DRX cycle,
Also need to the unit of time of DRX cycle, so it can extend DRX cycle, the advantage with power saving,
But also ensure that the computing formula of calling time is constant so that the UE of former version is according to existing protocol still
Beep-page message can be normally received, it is achieved the most compatible with prior art.
The specific embodiment of the invention provides an embodiment, and the present embodiment also provides for the paging method of a kind of UE,
The method completes between UE, MME and eNB, and this response message connects reconfiguration message with RRC and is
Example, wherein this paging method uses under UE idle condition, and the method is as it is shown in figure 5, include:
S51, UE send RRC connection establishment request message to eNB；
The NAS message that S52, UE send to MME, carries the information of UE, including UE in this message
Specific DRX cycle and the unit of time in cycle, in addition it is also necessary to include for representing that this UE can use expansion
Any type of instruction information of the DRX cycle of exhibition.
Above-mentioned instruction message can be such as MTC indicator or delay tolerant indicator or low
Power indicator etc.；
Initial context request (Initial context request) message that S53, MME send to eNB,
Some information of relevant UE are sent to eNB by MME within the message, this information may include that UE without
Information that line access bearer is corresponding, the ability information etc. of UE, need exist for plus " representing that this UE can make
Any type of instruction information with the DRX cycle of extension "；
S54, eNB send RRC to UE and connect reconfiguration message (RRC connection reconfiguration),
This message includes: the high-order extended bit numerical value of the SFN of this eNB and SI timer parameter；
S55, when UE has called, the beep-page message of CN side is sent to eNB by MME, and this paging disappears
Breath needs the unit of time comprising the specific DRX cycle of following parameter: UE, DRX cycle is corresponding, with
And " representing that this UE can use any type of instruction information of the DRX cycle of extension "；
After S56, eNB receive the beep-page message of CN side, according to " representing that this UE can use the DRX of extension
The instruction information in cycle ", eNB will select the specific DRX cycle of UE (to include cycle value and cycle
Unit of time) calculate calling time；
S57, eNB send RAN side beep-page message at the calling time calculated to UE, and UE also will use UE
Specific paging cycle calculates calling time, and the beep-page message of reception eNB transmission of waking up at this calling time.
It should be noted that the circular of above-mentioned calling time may refer to being correlated with in above-mentioned S12
Describe, it addition, the high-order extended bit numerical value of the SFN of this eNB above-mentioned may be used for, make UE based on this
The low-order bit of high-order extended bit numerical value and this eNB broadcast determines the current SFN of this eNB, according to this
The current SFN and this eNB of eNB performs Tong Bu；Above-mentioned SI timer parameter may be used for, and makes UE base
Start SI intervalometer immediately in described SI timer parameter, and before described SI timer expiry, check system
Whether system chunk SIB there occurs renewal；If described SIB there occurs renewal, then according to the tune in SIB
Degree instruction receives other SIB information.Owing to UE receives the high-order extended bit number of the SFN of this eNB, can
Combine the low-order bit of this eNB broadcast in prior art with the instruction by this high position extended bit number, obtain
The SFN that eNB is current so that SFN current for eNB is expanded, the frame number of instruction can be longer.Thus
After DRX cycle extends so that UE can perform to described eNB based on SFN current for described eNB
Synchronization.
The method that the embodiment of the present invention provides, when calculating calling time, not only relies on the numerical value of DRX cycle,
Also need to the unit of time of DRX cycle, so it can extend DRX cycle, the advantage with power saving,
But also ensure that the computing formula of calling time is constant so that the UE of former version is according to existing protocol still
Beep-page message can be normally received.
The embodiment of the present invention also provides for the device of discontinuous reception under a kind of idle condition, this device such as Fig. 6 institute
Show, including:
Transmitting element 61, for sending non access stratum NAS message, this NAS to mobile management entity MME
Message includes: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and this DRX cycle
Unit of time so that described MME is by single to the numerical value of described DRX cycle and the time of described DRX cycle
Position is carried and is forwarded to evolved base station eNB in the beep-page message of core net CN side；
Computing unit 62, for the numerical value according to described DRX cycle and the unit of time of described DRX cycle
Calculate calling time；
Receive unit 63, for receiving, at this calling time, the Radio Access Network RAN that described eNB sends
Side beep-page message.
Optionally, above-mentioned computing unit includes:
Low level computing module 621, for drawing system frame number SFN by the numerical computations of described DRX cycle
Low-order bit；
High-order computing module 622, for becoming the high order bit of SFN by the unit conversion of described DRX cycle；
Paging determines module 623, for the high order bit according to described SFN and the low-order bit of described SFN
Determine paging frame, and determine calling time based on described paging frame.
Optionally, the transmitting element 61 in said apparatus, it is additionally operable to send wireless heterogeneous networks to described eNB
RRC connection establishment request message；
Receiving unit 63, the described RRC connection establishment being additionally operable to receive described eNB transmission asks message
Response message, this response message includes: the high-order extended bit numerical value of the SFN of described eNB；
Computing unit 62, is additionally operable to based on described high-order extended bit numerical value and the low level ratio of described eNB broadcast
Spy determines the current SFN of described eNB, and performs same according to the current SFN and described eNB of described eNB
Step.
Optionally, above-mentioned response message can also include system information SI timer parameter, and said apparatus is also
May include that
Start unit 64, for starting SI intervalometer immediately based on described SI timer parameter；
Whether regular check unit 65, for checking system information block SIB before described SI timer expiry
There occurs renewal；If described SIB there occurs renewal, then indicate according to the scheduling in SIB and receive other SIB
Information.
It should be noted that transmitting element 61 or reception unit 63 can be interfaces.Computing unit 62 is permissible
Being processor, inside can include that low level computing module 621, high-order computing module 622, paging determine module 623
Deng processor unit.These processors or inside unit can pass through hardware, as logical integrated circuit realizes.
The device that the specific embodiment of the invention provides can not only arrange the numerical value of DRX cycle, it is also possible to arranges
The unit of time in this cycle (such as arrange second or minute etc.), so it can extend the paging cycle of UE
(DXR cycle), saving the electricity of UE, and the computational methods of calling time do not change, do not affect with
The UE of front version normally receives beep-page message.
The embodiment of the present invention provides the device of a kind of paging idle condition user equipment (UE), this device such as Fig. 7
Shown in, including:
Receive unit 71, for receiving the core net CN side beep-page message that mobile management entity MME sends,
This CN side beep-page message includes: the numerical value of the specific DRX cycle of UE and the time in described DXR cycle are single
Position；
Computing unit 72, for the numerical value according to described DRX cycle and the unit of time of described DRX cycle
Calculate calling time；
Transmitting element 73, seeks for sending Radio Access Network RAN side at described calling time to described UE
Exhale message.
Optionally, above-mentioned computing unit 72 includes:
Low level computing module 721, for drawing system frame number SFN by the numerical computations of described DRX cycle
Low-order bit；
High-order computing module 722, for becoming the high order bit of SFN by the unit conversion of described DRX cycle；
Paging determines module 723, for the high order bit according to described SFN and the low-order bit of described SFN
Determine paging frame, and determine calling time based on described paging frame.
Optionally, the reception unit 71 of said apparatus, it is additionally operable to receive the Radio Resource control that described UE sends
RRC connection establishment processed request message；
Above-mentioned transmitting element 73, is additionally operable to send the sound of described RRC connection establishment request message to described UE
Answering message, this response message includes: system frame number SFN high position extended bit numerical value, so that described UE obtains
Low-order bit based on described high-order extended bit numerical value and eNB broadcast determines the current SFN of described eNB
And perform Tong Bu according to the current SFN and described eNB of described eNB.
It should be noted that above-mentioned reception unit 71 and transmitting element 73 can be interfaces.Computing unit 72
Can be processor, hardware can be passed through, as logical integrated circuit realizes.
The device that the embodiment of the present invention provides, when calculating calling time, not only relies on the numerical value of DRX cycle,
Also need to the unit of time of DRX cycle, so it can extend DRX cycle, the advantage with power saving,
But also ensure that the computing formula of calling time is constant so that the UE of former version is according to existing protocol still
Beep-page message can be normally received, so it can compatible existing agreement.
In sum, the technical scheme that the embodiment of the present invention provides has UE economize on electricity, compatible existing protocol excellent
Point.
It will be appreciated by those skilled in the art that all or part of flow process of the method that the present embodiment describes can be with soft
The form of part product embodies, and this computer software product is storable in a storage medium, if including
Dry instruction is with so that a computer equipment (can be personal computer, server, or the network equipment
Deng) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium bag
Include: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), magnetic disc or CD etc. are various can store program code
Medium.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (13)
1. the method for discontinuous reception DRX under an idle condition, it is characterised in that described method includes:
Sending non access stratum NAS message to mobile management entity MME, this NAS message includes: Yong Hushe
The numerical value of the standby specific DRX cycle of UE and the unit of time of this DRX cycle so that described MME will
The numerical value of described DRX cycle and the unit of time of described DRX cycle carry and disappear in the paging of core net CN side
Breath is forwarded to evolved base station eNB；
Numerical value and the unit of time of described DRX cycle according to described DRX cycle calculate calling time,
This calling time receives the Radio Access Network RAN side beep-page message that described eNB sends；
Wherein, the unit of time of the described numerical value according to described DRX cycle and described DRX cycle calculates and seeks
The moment is exhaled to include:
The low-order bit of system frame number SFN is drawn by the numerical computations of described DRX cycle；
The unit conversion of described DRX cycle is become the high order bit of SFN；
High order bit and the low-order bit of described SFN according to described SFN determine paging frame, and based on described
Paging frame determines calling time.
Method the most according to claim 1, it is characterised in that also include:
Radio resource control RRC connection establishment request message is sent to described eNB；
Receive the response message of the described RRC connection establishment request message that described eNB sends, this response message
Including: the high-order extended bit numerical value of the SFN of described eNB；
Low-order bit based on described high-order extended bit numerical value and described eNB broadcast determines working as of described eNB
Front SFN, performs Tong Bu according to the current SFN and described eNB of described eNB.
Method the most according to claim 2, it is characterised in that described response message also includes that system is believed
Breath SI timer parameter；
Described method also includes: start SI intervalometer immediately based on described SI timer parameter, and described
Check before SI timer expiry whether system information block SIB there occurs renewal；If described SIB there occurs
Update, then indicate according to the scheduling in SIB and receive other SIB information.
The most according to the method in claim 2 or 3, it is characterised in that described response message includes:
RRC connects reconfiguration message, system information block SIB message or media interviews and controls MAC message.
5. the method for a paging idle condition user equipment (UE), it is characterised in that described method includes:
Receive the core net CN side beep-page message that mobile management entity MME sends, this CN side beep-page message
Including: the numerical value of the specific discontinuous reception DRX period of UE and the unit of time in described DXR cycle；
Numerical value and the unit of time of described DRX cycle according to described DRX cycle calculate calling time；?
Described calling time sends Radio Access Network RAN side beep-page message to described UE；
Wherein, the unit of time of the described numerical value according to described DRX cycle and described DRX cycle calculates and seeks
The moment is exhaled to include:
The low-order bit of system frame number SFN is drawn by the numerical computations of described DRX cycle；
The unit conversion of described DRX cycle is become the high order bit of SFN；
High order bit and the low-order bit of described SFN according to described SFN determine paging frame, and based on described
Paging frame determines calling time.
Method the most according to claim 5, it is characterised in that also include:
Receive the radio resource control RRC connection establishment request message that described UE sends；
Send the response message of described RRC connection establishment request message to described UE, this response message includes:
System frame number SFN high position extended bit numerical value, so that described UE must be based on described high-order extended bit numerical value
The current SFN of described eNB is determined and according to the current SFN of described eNB with the low-order bit of eNB broadcast
Perform Tong Bu with described eNB.
7. according to the method described in claim 5 or 6, it is characterised in that also include:
Receiving the initial context request message that described MME sends, this initial context request message includes:
Represent that described UE can use the instruction information of the DRX cycle of extension；Or
Described CN side beep-page message also includes: represent that described UE can use the finger of the DRX cycle of extension
Show information.
Method the most according to claim 6, it is characterised in that described response message includes:
RRC connects reconfiguration message, system information block SIB message or media interviews and controls MAC message.
9. the device of discontinuous reception DRX under an idle condition, it is characterised in that described device includes:
Transmitting element, for sending non access stratum NAS message, this NAS to mobile management entity MME
Message includes: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and this DRX cycle
Unit of time so that described MME is by single to the numerical value of described DRX cycle and the time of described DRX cycle
Position is carried and is forwarded to evolved base station eNB in the beep-page message of core net CN side；
Computing unit, based on the unit of time of the numerical value according to described DRX cycle and described DRX cycle
Calculate calling time；
Receive unit, for receiving, at this calling time, the Radio Access Network RAN side that described eNB sends
Beep-page message；
Wherein, described computing unit includes:
Low level computing module, for drawing the low of system frame number SFN by the numerical computations of described DRX cycle
Position bit；
High-order computing module, for becoming the high order bit of SFN by the unit conversion of described DRX cycle；
Paging determines module, for determining according to the high order bit of described SFN and the low-order bit of described SFN
Paging frame, and determine calling time based on described paging frame.
Device the most according to claim 9, it is characterised in that described transmitting element, be additionally operable to
Described eNB sends radio resource control RRC connection establishment request message；
Described reception unit, the described RRC connection establishment being additionally operable to receive described eNB transmission asks message
Response message, this response message includes: the high-order extended bit numerical value of the SFN of described eNB；
Described computing unit, is additionally operable to based on described high-order extended bit numerical value and the low level of described eNB broadcast
Bit determines the current SFN of described eNB, and performs according to the current SFN and described eNB of described eNB
Synchronize.
11. devices according to claim 10, it is characterised in that
Described response message also includes system information SI timer parameter, and described device also includes:
Start unit, for starting SI intervalometer immediately based on described SI timer parameter；
Regular check unit, for checking before described SI timer expiry whether system information block SIB sends out
Give birth to renewal；If described SIB there occurs renewal, then indicate according to the scheduling in SIB and receive other SIB
Information.
The device of 12. 1 kinds of paging idle condition user equipment (UE)s, it is characterised in that described device includes:
Receive unit, for receiving the core net CN side beep-page message that mobile management entity MME sends, should
CN side beep-page message includes: the numerical value of the specific DRX cycle of UE and the unit of time in described DXR cycle；
Computing unit, based on the unit of time of the numerical value according to described DRX cycle and described DRX cycle
Calculate calling time；
Transmitting element, for sending Radio Access Network RAN side paging at described calling time to described UE
Message；
Wherein, described computing unit includes:
Low level computing module, for drawing the low of system frame number SFN by the numerical computations of described DRX cycle
Position bit；
High-order computing module, for becoming the high order bit of SFN by the unit conversion of described DRX cycle；
Paging determines module, for determining according to the high order bit of described SFN and the low-order bit of described SFN
Paging frame, and determine calling time based on described paging frame.
13. devices according to claim 12, it is characterised in that
Described reception unit, the radio resource control RRC connection establishment being additionally operable to receive described UE transmission please
Seek message；
Described transmitting element, is additionally operable to send the response of described RRC connection establishment request message to described UE
Message, this response message includes: system frame number SFN high position extended bit numerical value, so that described UE obtains base
Low-order bit in described high-order extended bit numerical value and eNB broadcast determines the current SFN of described eNB also
Current SFN according to described eNB and described eNB performs Tong Bu.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110218010.9A CN102917444B (en) | 2011-08-01 | 2011-08-01 | The method and device of discontinuous reception under idle condition |
| PCT/CN2012/078427 WO2013017006A1 (en) | 2011-08-01 | 2012-07-10 | Method and device for idle drx |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110218010.9A CN102917444B (en) | 2011-08-01 | 2011-08-01 | The method and device of discontinuous reception under idle condition |
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| CN102917444A CN102917444A (en) | 2013-02-06 |
| CN102917444B true CN102917444B (en) | 2016-08-17 |
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| CN201110218010.9A Active CN102917444B (en) | 2011-08-01 | 2011-08-01 | The method and device of discontinuous reception under idle condition |
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