CN102917444A - Device and method for discontinuous reception in idle state - Google Patents
Device and method for discontinuous reception in idle state Download PDFInfo
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- CN102917444A CN102917444A CN2011102180109A CN201110218010A CN102917444A CN 102917444 A CN102917444 A CN 102917444A CN 2011102180109 A CN2011102180109 A CN 2011102180109A CN 201110218010 A CN201110218010 A CN 201110218010A CN 102917444 A CN102917444 A CN 102917444A
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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
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Abstract
The invention is applicable to the field of communication and provides a system, a device and a method for discontinuous reception in an idle state. The method includes: sending an NAS (non-access stratum) message to an MME (mobility management entity), wherein the NAS message includes numerical values of a specific DRX (discontinuous reception) period of UE (user equipment) and a time unit of the DRX period; the MME is enabled to carry the numerical values of the DRX period and the time unit of the DRX period in a CN (core network) side paging message and transfer to an eNB (evolved node base); and calculating paging moment according to the numerical values of the DRX period and the time unit of the DRX period, and receiving RAN (radio access network) side paging messages sent by the eNB at the paging moment. The system, the device and the method for discontinuous reception in the idle state have the advantages that that DRX period is prolonged and UE (user equipment) electricity quantity is saved.
Description
Technical field
The invention belongs to the communications field, relate in particular to method and the device of discontinuous reception under a kind of idle condition.
Background technology
Radio Access Network (Radio AccessNetwork, RAN) side has defined the two states of subscriber equipment (User Equipment, UE) in Long Term Evolution (Long Term Evolution, the LTE) standard: Idle state and connected state.UE under the Idle state can carry out receiving system information broadcasting, monitoring seek channel, cell reselection etc., this moment evolved base station (Evolved Node Base, eNB) do not preserve Radio Resource control (Radio Resource Control, RRC) context of UE in; Under connected state, UE is with having set up the RRC connection between the eNB, and preserve the RRC context of UE, the UE under connected state can carry out that capturing system message, measurement and measurement report and network between carry out reception and transmission, the monitoring control channel etc. of data.In addition, in order to save the utilance of UE battery and raising resource, eNB can be its configuration discontinuous reception (Discontinuous Reception, DRX) cycle according to the activity situation of UE.
In the LTE standard, adopted different DRX mechanism for the UE under the idle condition and UE under the connection status, the DRX mechanism that UE under idle condition adopts is specifically as follows: UE is at Non-Access Stratum (NonAccess Stratum, NAS) in the message, the specific DRX cycle T1 of UE is reported mobile management entity (Mobility Management Entity, MME), when UE is called, MME combines zone (Tracking Area according to following, TA) information sends core net (Core Network to eNB, CN) side beep-page message, comprise the specific DRX cycle T1 of UE and UE sign (UE_ID) in the message, eNB is T1 and T2 relatively, and wherein T2 is the calling cycle of residential quarter acquiescence, and selects the shorter cycle to be used for calculating calling time and send the beep-page message of RAN side at this calling time to UE.The concrete computational methods of calling time can adopt following formula 1.1 and 1.2 to calculate.
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 sign of UE, and this sign equals IMSI mod 1024, and mod represents modulo operation, and IMSI is international mobile subscriber identity.Ns be max (1, nB/T), namely 1 and nB/T in maximum.N equals min (T, nB), i.e. minimum value among T and the nB.The desirable 4T of nB, 2T, T, T/2, T/4, T/8, T/16, T/32 etc.T is paging cycle.SFN is the System Frame Number of trying to achieve, and i_s is subframe numbers, and System Frame Number and subframe numbers are used for obtaining calling time.
In realizing process of the present invention, there are the following problems for the technical scheme of discovery prior art:
The unit in cycle is defaulted as millisecond in the prior art, regulation from the LTE standard can find out, maximum paging cycle also only is 512ms, so the technical scheme paging cycle of prior art is short, the monitoring beep-page message and UE need to wake up within each cycle, this is unfavorable for the economize on electricity of UE.
Summary of the invention
The purpose of the embodiment of the invention is to provide method and the device of discontinuous reception under a kind of idle condition, and above-mentioned technical scheme about DRX is conducive to the economize on electricity of UE applicable to larger paging cycle.
The embodiment of the invention provides the method for discontinuous reception DRX under a kind of idle condition on the one hand, and described method comprises:
Send non access stratum NAS message to mobile management entity MME, this NAS message comprises: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and the chronomere of this DRX cycle, so that described MME is carried at core net CN side beep-page message repeating to evolved base station eNB with the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Calculate calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle, receive the Radio Access Network RAN side beep-page message that described eNB sends at this calling time.
The embodiment of the invention provides a kind of method of paging idle condition user equipment (UE) on the other hand, and described method comprises:
Receive the core net CN side beep-page message that mobile management entity MME sends, this CN side beep-page message comprises: the numerical value of the specific DRX cycle of UE and the chronomere in described DXR cycle;
Calculate calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle; Send Radio Access Network RAN side beep-page message at described calling time to described UE.
The embodiment of the invention also provides the device of discontinuous reception DRX under a kind of idle condition on the other hand, and described device comprises:
Transmitting element, be used for sending non access stratum NAS message to mobile management entity MME, this NAS message comprises: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and the chronomere of this DRX cycle, so that described MME is carried at core net CN side beep-page message repeating to evolved base station eNB with the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Computing unit is used for calculating calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Receiving element is used for receiving the Radio Access Network RAN side beep-page message that described eNB sends at this calling time.
The embodiment of the invention provides again a kind of device of paging idle condition user equipment (UE) on the other hand, and described device comprises:
Receiving element is used for receiving the core net CN side beep-page message that mobile management entity MME sends, and this CN side beep-page message comprises: the numerical value of the specific DRX cycle of UE and the chronomere in described DXR cycle;
Computing unit is used for calculating calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Transmitting element is used for sending Radio Access Network RAN side beep-page message at described calling time to described UE.
In embodiments of the present invention, technical scheme can not only arrange the numerical value of DRX cycle, can also arrange this cycle unit (such as arrange second or minute etc.), based on numerical value and the chronomere in above-mentioned cycle, can obtain larger paging frame numerical value, the paging cycle of UE (DXR cycle) can be extended, save the electric weight of UE, and the not change of the computational methods of calling time, do not affect the normal paging receiving message of UE of the prior art, realize with prior art compatible preferably.
Description of drawings
Fig. 1 is the flow chart of the method for discontinuous reception under a kind of idle condition of providing of the specific embodiment of the invention;
Fig. 2 is the SFN expansion schematic diagram that the specific embodiment of the invention provides;
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 of providing of the specific embodiment of the invention;
Fig. 5 is the flow chart of the paging method of a kind of UE of providing of one embodiment of the invention;
Fig. 6 is the structure chart of the device of discontinuous reception under a kind of idle condition of providing of the specific embodiment of the invention;
Fig. 7 is the structure chart of the device of a kind of paging idle condition UE of providing of the specific embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, 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 technology scene that the method realizes is: the method is finished between UE, MME and eNB, and the method specifically comprises as shown in Figure 1:
S11, send NAS message to MME, comprise in this NAS message: the numerical value in the cycle of the specific DRX of UE and the chronomere in this cycle; So that described MME is carried at core net CN side beep-page message repeating to evolved base station eNB with the numerical value of described DRX cycle and the chronomere of described DRX cycle;
S12, calculate calling time according to the numerical value of the specific DRX cycle of UE and the chronomere in cycle, receive the RAN side beep-page message that eNB sends at this calling time.
Optionally, the method for realization S12 is specifically as follows: the low-order bit that draws system frame number SFN with the numerical computations of DRX cycle; The unit conversion of DRX cycle is become the high order bit of SFN; Determine paging frame according to the high order bit of described SFN and the low-order bit of SFN, and determine calling time based on described paging frame.In addition, the mode of above-mentioned calculating SFN low-order bit can adopt calling time computing formula of the prior art (being formula 1.1 in the background technology) to calculate the SFN low-order bit.The embodiment of the invention be equivalent to adopt the SFN that calculates low-order bit and high order bit come the joint instructions paging frame so that the length of the paging frame that obtains is expanded, be applicable to larger DRX cycle, be conducive to the economize on electricity of UE.
Can determine according to above-mentioned chronomere and the acquiescence unit (ms) of system the decimal system numerical value corresponding to chronomere of the high order bit indication of SFN, this decimal system numerical value is converted into binary numeral, this binary numeral can be thought the high order bit of SFN.For example chronomere is second, and then corresponding decimal system numerical value can be 1000, then corresponding SFN high order bit can for: 1111101000.In addition for existing LTE protocol-compliant, above-mentioned low-order bit is specifically as follows: low 10 bits of SFN, high order bit is specially: the bit among the SFN except low-order bit.The chronomere in cycle can for second, millisecond or minute etc.
Optionally, said method can also comprise: send the radio resource control RRC connection to above-mentioned eNB and set up request message; This RRC that receives the eNB transmission connects the response message of setting up request message, and this response message comprises: the high-order extended bit numerical value of the SFN of this eNB; Determine the current SFN of this eNB based on the low-order bit of this high position extended bit numerical value and this eNB broadcasting, synchronous according to current SFN and this eNB execution of this eNB.
Optionally, above-mentioned response message can also comprise system information (SI) timer parameter; Said method can also comprise: start immediately the SI timer based on described SI timer parameter, and whether check system block of information SIB renewal has occured before described SI timer expiry; If renewal has occured described SIB, then receive other SIB information according to the indication of the scheduling among the SIB.If do not upgrade, do not illustrate that then SI does not change, UE continues to enter sleep state and in the calling time of the UE paging receiving message of waking up.Need to prove, above-mentioned timer expiry is to determine according to the time threshold that eNB issues, the mode that specifically issues of this time threshold can for, carry in the message between eNB and UE, this message can be any message, RRC reconfiguration message for example, 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.
Need to prove, above-mentioned corresponding message is specifically as follows: RRC connects reconfiguration message, SIB message or MAC message, wherein also comprises high-order extended bit numerical value and the SI timer parameter of the SFN of this eNB in above-mentioned SIB message or the MAC message.
In addition, consideration is unaffected for the UE that makes former version, and the DRX cycle parameter that participates in calculating still adopts basic numerical value, and the chronomere of DRX cycle is converted into the high order bit indication of SFN, and wherein SFN expansion schematic diagram as shown in Figure 2.For example machine is T=32 second to the DRX cycle of machine communication user equipment (MTC-UE also is the machine type communication subscriber equipment).For the cycle numerical value T that participates in calling time calculating, still make T=32, because the T unit of prior art acquiescence is millisecond, the unit that the embodiment of the invention is set T is second, the chronomere of the high order bit indication of SFN should be decimal system numerical value 1000,10 bits that are the high position expansion of SFN are binary numeral 1111101000, SFN low 10 still the same with prior art.Certainly, the selection that it will be understood by those skilled in the art that chronomere can be arbitrarily, is not limited only to millisecond is converted to second, also can be minute in addition hour etc.For example, when time unit was minute, its chronomere's millisecond with respect to acquiescence had increased by 60000 times, and this moment, the numerical value of high order bit indication of SFN was exactly 60000.
In addition, the method that the embodiment of the invention provides has also increased the SI timer, because notice SI renewal is to occur in the paging cycle of residential quarter acquiescence in the prior art, adopted the MTC-UE of expansion DRX cycle may be in sleep state in the paging cycle of residential quarter acquiescence, can not receive the beep-page message of SI update notification, this calling time schematic diagram as shown in Figure 3, wherein, T represents to give tacit consent to DRX cycle, and MP represents the modification phase, and PF represents paging frame.And comprise some configuration informations of paging channel among the SI, if variation has occured in the configuration information that just is paging channel, and UE does not in time receive effective SI, just cause the follow-up normally paging receiving message of UE, therefore after UE sets up the DRX cycle that RRC connects and definite use is expanded, timer by a SI term of validity of eNB configuration, UE begins to start this timer after receiving the parameter of this timer, and before timer expiry, UE initiatively wakes up and receives SIB1, and check whether the valuetag value among the SIB1 is identical with the value of before storage, if different, illustrate that then variation has occured SI, receive other SIB information that UE needs according to the indication of the scheduling among the SIB1; If identical, illustrate that then SI does not change, UE continues to enter sleep state and in the calling time of the UE paging receiving message of waking up.
The method that the specific embodiment of the invention provides can not only arrange the numerical value of DRX cycle, can also arrange this cycle chronomere (such as arrange second or minute etc.), numerical computations by chronomere and DRX cycle obtains paging frame, only rely on the numerical value of DRX cycle to obtain for the paging frame with respect to prior art, the paging frame numerical value that calculates is larger, can use the DRX cycle that is applicable to more grow, so can prolong the paging cycle (DXR cycle) of UE by such scheme, save the electric weight of UE, and the computational methods of calling time do not change, the normal paging receiving message of UE of version before not affecting realizes with prior art compatible preferably.
The specific embodiment of the invention also provides the method for a kind of paging idle condition UE, and the method is finished by eNB, and the method comprises as shown in Figure 4:
The core net CN side beep-page message that S41, reception mobile management entity MME send, this CN side beep-page message comprises: the numerical value of the specific DRX cycle of UE and the chronomere in described DXR cycle;
S42, calculate calling time according to the chronomere of the numerical value of described DRX cycle and described DRX cycle; Send Radio Access Network RAN side beep-page message at described calling time to described UE.
Optionally, the method for realization S42 is specifically as follows: the low-order bit that draws system frame number SFN with the numerical computations of described DRX cycle; The unit conversion of described DRX cycle is become the high order bit of SFN; Determine paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determine calling time based on described paging frame.In addition, the concrete grammar of calculating low-order bit and high order bit can referring to the associated description that realizes among the S12, repeat no more here.
Optionally, said method can also comprise: the radio resource control RRC that receives described UE transmission connects sets up request message; Send described RRC to described UE and connect the response message of setting up request message, this response message comprises: the high-order extended bit numerical value of system frame number SFN, so that described UE must determine the current SFN of described eNB and carry out synchronous according to the current SFN of described eNB with described eNB based on the low-order bit of described high-order extended bit numerical value and eNB broadcasting.
Optionally, said method also comprises:
Receive the initial context request message that described MME sends, this initial context request message comprises: represent that described UE can use the indication information of the DRX cycle of expansion; Perhaps described CN side beep-page message also comprises: represent that described UE can use the indication information of the DRX cycle of expansion.
Need to prove, above-mentioned indication information can be any type of indication information.
Optionally, above-mentioned response message comprises: RRC connects reconfiguration message, SIB message or MAC message.
Optionally, above-mentioned response message can also comprise: the SI timer parameter.
The method that the embodiment of the invention provides is when calculating calling time, not only rely on the numerical value of DRX cycle, the chronomere that also needs DRX cycle, so it can prolong DRX cycle, has advantages of power saving, but also the computing formula that has guaranteed calling time is constant, so that in the past the UE of version realized and prior art compatibility preferably according to existing protocol normal paging receiving message still.
The specific embodiment of the invention provides an embodiment, the present embodiment also provides the paging method of a kind of UE, the method is finished between UE, MME and eNB, this response message connects reconfiguration message as example take RRC, wherein this paging method uses under the UE idle condition, the method comprises as shown in Figure 5:
S51, UE send the RRC connection to eNB and set up request message;
The NAS message that S52, UE send to MME, the information of carrying UE in this message comprises the specific DRX cycle of UE and the chronomere in cycle, also needs to comprise any type of indication information that can use the DRX cycle of expansion for this UE of expression.
Above-mentioned Indication message is such as being MTC indicator or delay tolerant indicator or lowpower indicator etc.;
Initial context request (the Initial context request) message that S53, MME send to eNB, MME sends to eNB with some information of relevant UE in this message, this information can comprise: the information that the UE RAB is corresponding, the ability information of UE etc. need to add " representing that this UE can use any type of indication information of the DRX cycle of expansion " here;
S54, eNB send RRC to UE and connect reconfiguration message (RRC connection reconfiguration), comprise in this message: high-order extended bit numerical value and the SI timer parameter of the SFN of this eNB;
S55, have when called as UE, the beep-page message of CN side sends to eNB by MME, need to comprise the specific DRX cycle of following parameter: UE, chronomere that DRX cycle is corresponding in this beep-page message, and " representing that this UE can use any type of indication information of the DRX cycle of expansion ";
After S56, eNB receive the beep-page message of CN side, according to " representing that this UE can use the indication information of the DRX cycle of expansion ", eNB will select the specific DRX cycle of UE (chronomere that comprises cycle numerical value and cycle) to calculate calling time;
S57, eNB send RAN side beep-page message at the calling time that calculates to UE, and UE also will calculate calling time with the specific paging cycle of UE, and wake up at this calling time and to receive the beep-page message that eNB sends.
Need to prove, the circular of above-mentioned calling time can be referring to the associated description among the above-mentioned S12, in addition, the high-order extended bit numerical value of the SFN of above-mentioned this eNB can be used for, make UE determine the current SFN of this eNB based on the low-order bit of this high position extended bit numerical value and this eNB broadcasting, carry out synchronous according to current SFN and this eNB of this eNB; Above-mentioned SI timer parameter can be used for, and make UE start immediately the SI timer based on described SI timer parameter, and whether check system block of information SIB renewal has occured before described SI timer expiry; If renewal has occured described SIB, then receive other SIB information according to the indication of the scheduling among the SIB.Because UE receives the high-order extended bit number of the SFN of this eNB, can pass through the indication of this high position extended bit number in conjunction with the low-order bit of this eNB broadcasting in the prior art, obtain the current SFN of eNB, so that the current SFN of eNB is expanded, the frame number of indication can be longer.Thereby after DRX cycle expansion so that UE can based on the current SFN of described eNB carry out to described eNB synchronously.
The method that the embodiment of the invention provides is when calculating calling time, not only rely on the numerical value of DRX cycle, the chronomere that also needs DRX cycle, so it can prolong DRX cycle, has advantages of power saving, but also the computing formula that has guaranteed calling time is constant so that in the past the UE of version according to existing protocol normal paging receiving message still.
The embodiment of the invention also provides the device of discontinuous reception under a kind of idle condition, and this installs as shown in Figure 6, comprising:
Transmitting element 61, be used for sending non access stratum NAS message to mobile management entity MME, this NAS message comprises: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and the chronomere of this DRX cycle, so that described MME is carried at core net CN side beep-page message repeating to evolved base station eNB with the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Receiving element 63 is used for receiving the Radio Access Network RAN side beep-page message that described eNB sends at this calling time.
Optionally, above-mentioned computing unit comprises:
Low level computing module 621 is for the low-order bit that draws system frame number SFN with the numerical computations of described DRX cycle;
High-order computing module 622 is for the high order bit that the unit conversion of described DRX cycle is become SFN;
Paging determination module 623 is used for determining paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determines calling time based on described paging frame.
Optionally, the transmitting element 61 in the said apparatus also is used for sending the radio resource control RRC connection to described eNB and sets up request message;
Receiving element 63 also connects the response message of setting up request message for the described RRC that receives described eNB transmission, and this response message comprises: the high-order extended bit numerical value of the SFN of described eNB;
Optionally, above-mentioned response message can also comprise system information SI timer parameter, and said apparatus can also comprise:
Need to prove, transmitting element 61 or receiving element 63 can be interfaces.Computing unit 62 can be processor, and inside can comprise the processor units such as low level computing module 621, high-order computing module 622, paging determination module 623.These processors or inside unit can be passed through hardware, realize such as logical integrated circuit.
The device that the specific embodiment of the invention provides can not only arrange the numerical value of DRX cycle, can also arrange this cycle chronomere (such as arrange second or minute etc.), so it can prolong the paging cycle (DXR cycle) of UE, save the electric weight of UE, and the computational methods of calling time do not change the normal paging receiving message of UE of version before not affecting.
The embodiment of the invention provides a kind of device of paging idle condition user equipment (UE), and this installs as shown in Figure 7, comprising:
Receiving element 71 is used for receiving the core net CN side beep-page message that mobile management entity MME sends, and this CN side beep-page message comprises: the numerical value of the specific DRX cycle of UE and the chronomere in described DXR cycle;
Transmitting element 73 is used for sending Radio Access Network RAN side beep-page message at described calling time to described UE.
Optionally, above-mentioned computing unit 72 comprises:
Low level computing module 721 is for the low-order bit that draws system frame number SFN with the numerical computations of described DRX cycle;
High-order computing module 722 is for the high order bit that the unit conversion of described DRX cycle is become SFN;
Paging determination module 723 is used for determining paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determines calling time based on described paging frame.
Optionally, the receiving element 71 of said apparatus also connects for the radio resource control RRC that receives described UE transmission and sets up request message;
Above-mentioned transmitting element 73, also be used for sending described RRC to described UE and connect the response message of setting up request message, this response message comprises: the high-order extended bit numerical value of system frame number SFN, so that described UE must determine the current SFN of described eNB and carry out synchronous according to the current SFN of described eNB with described eNB based on the low-order bit of described high-order extended bit numerical value and eNB broadcasting.
Need to prove, above-mentioned receiving element 71 and transmitting element 73 can be interfaces.Computing unit 72 can be processor, can pass through hardware, realizes such as logical integrated circuit.
The device that the embodiment of the invention provides is when calculating calling time, not only rely on the numerical value of DRX cycle, the chronomere that also needs DRX cycle, so it can prolong DRX cycle, has advantages of power saving, but also the computing formula that has guaranteed calling time is constant so that in the past the UE of version according to existing protocol normal paging receiving message still, so it can compatible existing agreement.
In sum, the technical scheme that the embodiment of the invention provides has UE economize on electricity, the advantage of compatible existing protocol.
The all or part of flow process that it will be appreciated by those skilled in the art that the method that the present embodiment is described can embody with the form of software product, this computer software product can be stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. the method for discontinuous reception DRX under the idle condition is characterized in that, described method comprises:
Send non access stratum NAS message to mobile management entity MME, this NAS message comprises: the numerical value of the specific DRX cycle of user equipment (UE) and the chronomere of this DRX cycle, so that described MME is carried at core net CN side beep-page message repeating to evolved base station eNB with the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Calculate calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle, receive the Radio Access Network RAN side beep-page message that described eNB sends at this calling time.
2. method according to claim 1 is characterized in that, described numerical value and the chronomere of described DRX cycle according to described DRX cycle calculates calling time and comprise:
Draw the low-order bit of system frame number SFN with the numerical computations of described DRX cycle;
The unit conversion of described DRX cycle is become the high order bit of SFN;
Determine paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determine calling time based on described paging frame.
3. method according to claim 1 and 2 is characterized in that, also comprises:
Send the radio resource control RRC connection to described eNB and set up request message;
The described RRC that receives described eNB transmission connects the response message of setting up request message, and this response message comprises: the high-order extended bit numerical value of the SFN of described eNB;
Determine the current SFN of described eNB based on the low-order bit of described high-order extended bit numerical value and described eNB broadcasting, synchronous according to current SFN and the described eNB execution of described eNB.
4. method according to claim 3 is characterized in that, described response message also comprises system information SI timer parameter;
Described method also comprises: start immediately the SI timer based on described SI timer parameter, and whether check system block of information SIB renewal has occured before described SI timer expiry; If renewal has occured described SIB, then receive other SIB information according to the indication of the scheduling among the SIB.
5. according to claim 3 or 4 described methods, it is characterized in that, described response message comprises:
RRC connects reconfiguration message, system information block SIB message or media interviews control MAC message.
6. the method for a paging idle condition user equipment (UE) is characterized in that, described method comprises:
Receive the core net CN side beep-page message that mobile management entity MME sends, this CN side beep-page message comprises: the numerical value of the specific discontinuous reception DRX period of UE and the chronomere in described DXR cycle;
Calculate calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle; Send Radio Access Network RAN side beep-page message at described calling time to described UE.
7. method according to claim 6 is characterized in that, described numerical value and the chronomere of described DRX cycle according to described DRX cycle calculates calling time and comprise:
Draw the low-order bit of system frame number SFN with the numerical computations of described DRX cycle;
The unit conversion of described DRX cycle is become the high order bit of SFN;
Determine paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determine calling time based on described paging frame.
8. according to claim 6 or 7 described methods, it is characterized in that, also comprise:
The radio resource control RRC that receives described UE transmission connects sets up request message;
Send described RRC to described UE and connect the response message of setting up request message, this response message comprises: the high-order extended bit numerical value of system frame number SFN, so that described UE must determine the current SFN of described eNB and carry out synchronous according to the current SFN of described eNB with described eNB based on the low-order bit of described high-order extended bit numerical value and eNB broadcasting.
9. each described method in 8 according to claim 6 is characterized in that, also comprises:
Receive the initial context request message that described MME sends, this initial context request message comprises: represent that described UE can use the indication information of the DRX cycle of expansion; Perhaps
Described CN side beep-page message also comprises: represent that described UE can use the indication information of the DRX cycle of expansion.
10. method according to claim 8 is characterized in that, described response message comprises:
RRC connects reconfiguration message, system information block SIB message or media interviews control MAC message.
11. the device of discontinuous reception DRX is characterized in that under the idle condition, described device comprises:
Transmitting element, be used for sending non access stratum NAS message to mobile management entity MME, this NAS message comprises: the numerical value of the specific discontinuous reception DRX period of user equipment (UE) and the chronomere of this DRX cycle, so that described MME is carried at core net CN side beep-page message repeating to evolved base station eNB with the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Computing unit is used for calculating calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Receiving element is used for receiving the Radio Access Network RAN side beep-page message that described eNB sends at this calling time.
12. device according to claim 11 is characterized in that, described computing unit comprises:
The low level computing module is for the low-order bit that draws system frame number SFN with the numerical computations of described DRX cycle;
High-order computing module is for the high order bit that the unit conversion of described DRX cycle is become SFN;
The paging determination module is used for determining paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determines calling time based on described paging frame.
13. according to claim 11 or 12 described devices, it is characterized in that described transmitting element also is used for sending radio resource control RRC to described eNB and connects and set up request message;
Described receiving element also connects the response message of setting up request message for the described RRC that receives described eNB transmission, and this response message comprises: the high-order extended bit numerical value of the SFN of described eNB;
Described computing unit also is used for determining based on the low-order bit of described high-order extended bit numerical value and described eNB broadcasting the current SFN of described eNB, and carries out synchronous according to current SFN and the described eNB of described eNB.
14. each described device in 13 is characterized in that according to claim 11,
Described response message also comprises system information SI timer parameter, and described device also comprises:
Start unit is used for starting immediately the SI timer based on described SI timer parameter;
The regular check unit is used for whether check system block of information SIB renewal has occured before described SI timer expiry; If renewal has occured described SIB, then receive other SIB information according to the indication of the scheduling among the SIB.
15. the device of a paging idle condition user equipment (UE) is characterized in that, described device comprises:
Receiving element is used for receiving the core net CN side beep-page message that mobile management entity MME sends, and this CN side beep-page message comprises: the numerical value of the specific DRX cycle of UE and the chronomere in described DXR cycle;
Computing unit is used for calculating calling time according to the numerical value of described DRX cycle and the chronomere of described DRX cycle;
Transmitting element is used for sending Radio Access Network RAN side beep-page message at described calling time to described UE.
16. device according to claim 15 is characterized in that, described computing unit comprises:
The low level computing module is for the low-order bit that draws system frame number SFN with the numerical computations of described DRX cycle;
High-order computing module is for the high order bit that the unit conversion of described DRX cycle is become SFN;
The paging determination module is used for determining paging frame according to the high order bit of described SFN and the low-order bit of described SFN, and determines calling time based on described paging frame.
17. according to claim 15 or 16 described devices, it is characterized in that,
Described receiving element also connects for the radio resource control RRC that receives described UE transmission and sets up request message;
Described transmitting element, also be used for sending described RRC to described UE and connect the response message of setting up request message, this response message comprises: the high-order extended bit numerical value of system frame number SFN, so that described UE must determine the current SFN of described eNB and carry out synchronous according to the current SFN of described eNB with described eNB based on the low-order bit of described high-order extended bit numerical value and eNB broadcasting.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| 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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| CN102917444B CN102917444B (en) | 2016-08-17 |
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| WO2013017006A1 (en) | 2013-02-07 |
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