CN101111051A - Method for negotiating DRX period in mobile communication system - Google Patents
Method for negotiating DRX period in mobile communication system Download PDFInfo
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- CN101111051A CN101111051A CNA2006100290989A CN200610029098A CN101111051A CN 101111051 A CN101111051 A CN 101111051A CN A2006100290989 A CNA2006100290989 A CN A2006100290989A CN 200610029098 A CN200610029098 A CN 200610029098A CN 101111051 A CN101111051 A CN 101111051A
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Abstract
The present invention discloses a method for negotiating a DRX cycle in a mobile communication system, which enables a user terminal to perform the negotiation of the DRX cycle with a core network and a UTRAN within the max. scope. The technical proposal is that the present invention adds a cell in an update message of a signaling through modifying the signaling in a Non Access Stratum or the signaling in an Access Stratum according to the condition located by the user terminal, to indicate the utilized DRX cycle expected by the user terminal. And, the expansion can be performed to the periodic scope of the DRX. The present invention applies to the paging mechanism realization of a mobile communication system.
Description
Technical field
The present invention relates to the call/session method for building up and the process of 3-G (Generation Three mobile communication system) (UMTS), relate in particular to a kind of method that DRX cycle in the mobile communication system is held consultation.
Background technology
In 3-G (Generation Three mobile communication system), the main purpose of paging is to seek the callee.Paging is generally initiated by core net (CN), and in addition, radio network controller (RNC) also may be initiated paging.For power saving, the user terminal (UE) that is under free time (IDLE) pattern or the connection mode URA_PCH/CELL_PCH state adopts discontinuous reception (Discontinuous Reception, DRX) mode paging receiving message.
DRX cycle is generally by system message broadcast announcement UE, so, UE under the IDLE/URA_PCH/CELL_PCH pattern just wakes up every DRX cycle (as 1.28 seconds) and reads Page Indication Channel and judge whether paged, if it is paged, then initiate professional, otherwise enter sleep state, to reduce electrical source consumption.According to the 3GPP25.331 agreement, the UE under idle (IDLE) pattern obtains DRX cycle (being called CNdomain specific DRX cycle length) by receiving system message, and DRX cycle is determined by network side, value is { 640ms, 1280ms, 2560ms, among the 5120ms} one.Under the connection mode, UE connects message acquisition DRX cycles (being called UTRAN DRX cycle length) such as setting up (RRC Connection setup) message or other message such as radio bearer (RB) foundations/reprovision/releases, transmission channel (TrCH)/physical channel (PhyCH) reprovision, cell update affirmation/UTRAN Acceditation Area (URA) renewal affirmation by Radio Resource control (RRC), DRX cycle is determined by network side, value is { 80ms, 160ms, 320ms, 640ms, 1280ms, 2560ms, among the 5120ms} one.This shows that connection mode allows UE paging receiving more continually down, to reduce the paging time delay.
When UE receives a more than DRX cycle, UE need select a suitable DRX cycle, stipulated in the 3GPP agreement 25.304 that UE selects the method for DRX cycle: (1) UE is in the IDLE pattern, if UE is attached to different CN, UE need preserve the DRX cycle (CN domain specific DRXcycle length) of each CN correspondence, selects wherein minimum one then; (2) UE is in connection mode, and UE selects of the corresponding DRX cycle (UTRAN DRX cycle length) of universal terrestrial access network (UTRAN) DRX cycle (CN domain specific DRX cycle length) the middle minimum corresponding with all CN.
From top description as can be known, UE is the DRX cycle that passive use network side issues, if therefore UE requires initiatively to revise DRX cycle for certain purpose, prepare to start PoC (Push to talk OverCellular) such as UE) business, because the continuous delay requirement of this service interfacing is higher, so UE wishes to reduce the time delay that continues by shortening DRX cycle; Or the battery electric quantity deficiency of UE terminal, the UE system reduces purposes such as electrical source consumption by prolonging DRX cycle, need provide a kind of method like this, makes UE can ask the DRX cycle of expecting.
Further analyze current 3GPP agreement, we have found to define in the 3GPP agreement 24.008 UE can adhere to the DRX cycle size that request (ATTACH REQUEST) or Routing Area Update request (ROUTINGAREA UPDATE REQUEST) message are expected to the CN proposition by Non-Access Stratum (NAS) signaling.But there is following problem in this method: (1) this method is confined to the UE attached to grouping (PS) territory CN, for the UE attached to circuit (CS) territory CN, has no idea to allow the DRX cycle of UE active request expectation at present; (2) the request DRX cycle span that UE sends in this method be 640ms, 1280ms, 2560ms, 5120ms}, promptly consistent with CN territory DRX cycle, if UE need ask shorter or longer DRX cycle for specific purpose, present agreement is not supported; (3) this method is confined to the DRX cycle negotiation between UE and the CN, consults for the DRX cycle between UE under the connection mode and the UTRAN, and agreement is not supported at present.
Summary of the invention
The objective of the invention is to address the above problem, a kind of method that DRX cycle in the mobile communication system is held consultation is provided, it makes user terminal to carry out DRX cycle with core net in a wider context and consults, and carries out DRX cycle with UTRAN and consult.
Technical scheme of the present invention is: a kind of method that DRX cycle in the mobile communication system is held consultation, and wherein, described method comprises:
(1) user terminal obtains the DRX cycle of network side configuration by the space interface signaling that comprises DRX cycle, and is stored in the described user terminal;
Whether (2) described user terminal is judged self needs to upgrade described DRX cycle, then enters step (3) if need to upgrade DRX cycle, otherwise still uses the DRX cycle value of network side configuration;
(3) which kind of pattern the RRC status of the described user terminal of judgement is in, if described user terminal is in idle pulley and then enters step (4), if described user terminal is in connection mode and then changes step (8) over to;
Which (4) judge on the core net of described user terminal attached to territory, if attached to then entering step (5) on the core net of packet domain, if attached to then entering step (6) on the core net of circuit domain, if then enter step (7) attached to the core net of packet domain and circuit domain simultaneously;
(5) by the DRX cycle of first Non-Access Stratum signaling change packet domain, in the updating message of described signaling, increase the DRX cycle of a cell to indicate described user terminal expectation to use, enter step (11) then;
(6) by the DRX cycle of second Non-Access Stratum signaling change circuit domain, in the updating message of described signaling, increase the DRX cycle of a cell to indicate described user terminal expectation to use, enter step (11) then;
(7) pass through the DRX cycle that the first Non-Access Stratum signaling is changed packet domain, the DRX cycle of second Non-Access Stratum signaling change circuit domain, in the updating message of described two signalings, increase the DRX cycle of a cell respectively, enter step (11) then to indicate described user terminal expectation to use;
(8) judge described user terminal is in which state of connection mode,, then enter step (10) if be in the URA_PCH state if being in the CELL_PCH state then enters step (9);
(9) by first Access Layer signaling change DRX cycle, in the updating message of described signaling, increase the DRX cycle that a cell uses with the indicating user terminal expectation, enter step (11) then;
(10) by second Access Layer signaling change DRX cycle, in the updating message of described signaling, increase the DRX cycle that a cell uses with the indicating user terminal expectation, enter step (11) then;
(11) user terminal requests change DRX cycle is finished, if core net or UTRAN agree this request, will adopt new DRX cycle to carry out paging so; If core net or UTRAN disagree with this request, so still adopt original DRX cycle to carry out paging.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the space interface signaling in the step (1) is that system message and/or Radio Resource control connection are set up message.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the basis for estimation of user terminal comprises business features, the battery electric quantity situation initiated in the step (2).
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the first Non-Access Stratum signaling in step (5) and (7) is that non-access layer information adheres to request/Routing Area Update request message.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the second Non-Access Stratum signaling in step (6) and (7) is a lane place registration/location area updating message.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the first Access Layer signaling in the step (9) is a cell update message.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the second Access Layer signaling in the step (10) is a UTRAN Acceditation Area updating message.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation, wherein, the first Non-Access Stratum signaling in step (5), (6), (7), (9), (10), the second Non-Access Stratum signaling, the first Access Layer signaling and the second Access Layer signaling all are the message that rebuilds.
Above-mentioned a kind of method that DRX cycle in the mobile communication system is held consultation wherein, also comprises in step (5), (6), (7), (9), (10): the span that can expand DRX cycle.
The present invention contrasts prior art following beneficial effect: DRX cycle machinery of consultation of the present invention is carried out the DRX cycle negotiation with core net (CN) in a wider context by Non-Access Stratum (NAS) signaling, and carries out DRX cycle by Access Layer (AS) signaling and UTRAN and consult.
Description of drawings
Fig. 1 is the flow chart of DRX cycle machinery of consultation preferred embodiment of the present invention.
Fig. 2 is middle UE embodiment illustrated in fig. 1 revises PS territory DRX cycle by the NAS signaling a schematic diagram.
Fig. 3 is middle UE embodiment illustrated in fig. 1 revises CS territory DRX cycle by the NAS signaling a schematic diagram.
Fig. 4 is middle UE embodiment illustrated in fig. 1 revises DRX cycle by the AS signaling under connection mode a schematic diagram.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 shows the flow process of DRX cycle machinery of consultation preferred embodiment of the present invention.Seeing also shown in Figure 1ly, is the detailed description to each step in this method flow below.
Step S1:UE receives the DRX cycle of space interface signaling with the configuration of acquisition network side, and this cycle is stored among the UE.This space interface signaling has been so long as comprised the idle message of DRX cycle and got final product, and concrete message content can be referring to 3GPP agreement 25.331, mainly be that system message or RRC connect and set up message in the present embodiment.
Step S2:UE judges whether self needs to upgrade DRX cycle.UE may need to shorten or prolong DRX cycle.Then enter step S3 if need to upgrade DRX cycle, otherwise still use the DRX cycle of network side configuration.The basis for estimation of UE comprises that initiating business features, battery electric quantity situation or other thinks the reason of the modification DRX cycle that is necessary.If it is higher to initiate the professional delay requirement that continues, then UE wishes to reduce the time delay that continues by shortening DRX cycle.If the battery electric quantity deficiency of UE, then UE wishes to reduce electrical source consumption by prolonging DRX cycle.
Step S3: which kind of pattern the RRC that judges UE is in, so that decision adopts corresponding signaling to initiate to revise the request of DRX cycle to network side.If UE is in idle pulley and then enters step S4, if UE is in connection mode and then enters step S8.
Step S4: judge on the core net of UE attached to which territory of idle pulley.If then enter step S5 on the core net (CN) of UE attached to grouping (PS) territory, if then enter step S6 on the CN of UE attached to circuit (CS) territory, if UE then enters step S7 on the CN attached to PS territory and CS territory simultaneously.
Step S5: the DRX cycle by NAS signaling change PS territory enters step S11 then.Fig. 2 shows UE and revises PS territory DRX cycle by the NAS signaling, please in conjunction with Fig. 2, present embodiment adopts the method for current agreement regulation, revise DRX cycle by NAS message attachment request/Routing Area Update request, in NAS message attachment request/Routing Area Update request, increase a cell (as DRX parameter), with the DRX cycle of indication UE expectation use.
Should be understood that a NAS signaling also can be the existing message that rebuilds, for example DRX changes request (DRXCHANGE REQUEST) etc.
Can also on the basis of current 3GPP agreement the DRX cycle scope of UE request be expanded, for example, the span of DRX cycle expands to { 80ms, 160ms, 320ms, 640ms, 1280ms, 2560ms, 5120ms, 10240ms}.
Step S6: by the DRX cycle in the 2nd NAS signaling change CS territory, S5 is similar with step, increases the DRX cycle that a cell uses with indication UE expectation in the updating message of this signaling, enters step S11 then.Fig. 3 shows UE and revises CS territory DRX cycle by the NAS signaling, please in conjunction with Fig. 3, the 2nd NAS signaling in the present embodiment is a lane place registration/location area updating message, specifically, UE adopts the lane place registration message when start, UE adopts location area updating message to revise DRX cycle after the lane place is registered successfully.Present embodiment increases the DRX cycle that a cell (as DRX parameter) uses with indication UE expectation in the registration/location area updating message of lane place.The DRX cycle span of UE request is identical with step S5 in the present embodiment.
Should be understood that the 2nd NAS signaling also can be the existing message that rebuilds, for example DRX changes request (DRXCHANGE REQUEST) etc.And the DRX cycle span of UE request also can with step S5 in different.
Step S7: by the DRX cycle in NAS signaling change PS territory, the DRX cycle in the 2nd NAS signaling change CS territory increases the DRX cycle that a cell uses with indication UE expectation respectively in the updating message of these two signalings, enter step S11 then.In fact, this step is the combination of step S5 and S6, but irrelevant with the sequencing of S5 and S6.In the present embodiment, UE revises the DRX cycle of PS territory CN correspondence by NAS message attachment request/Routing Area Update request, again the DRX cycle by registration/location area updating message modification CS territory, lane place CN correspondence.
Should be understood that a NAS signaling and the 2nd NAS signaling can be the existing message that rebuilds, for example DRX changes request (DRX CHANGE REQUEST) etc.The DRX cycle span of UE request can be expanded.
Step S8: judge which state the UE under the connection mode is in.If being in the CELL_PCH state then enters step S9, then enter step S10 if be in the URA_PCH state.
Step S9: by AS signaling change DRX cycle, in the updating message of this signaling, increase the DRX cycle that a cell uses with indication UE expectation, enter step S11 then.Fig. 4 shows UE and revise DRX cycle by the AS signaling under connection mode, and please in conjunction with Fig. 4, UE adopts cell update message modification DRX cycle in the present embodiment, increases the DRX cycle that a cell uses with indication UE expectation in cell update message.The DRX cycle value span of UE request is consistent with UTRAN DRX cycle length in the present embodiment, is { 80ms, 160ms, 320ms, 640ms, 1280ms, 2560ms, 5120ms}.
Should be understood that an AS signaling also can be the existing message that rebuilds, for example DRX changes request (DRXCHANGE REQUEST) etc.The DRX cycle span of UE request also can be changed.
Step S10: by the 2nd AS signaling change DRX cycle, in the updating message of this signaling, increase the DRX cycle that a cell uses with indication UE expectation, enter step S11 then.Please continue referring to Fig. 4, in the present embodiment, UE adopts UTRAN Acceditation Area (URA) updating message to revise DRX cycle, increases the DRX cycle that a cell uses with indication UE expectation in the URA updating message.The DRX cycle span of UE request is consistent with UTRAN DRX cycle length in the present embodiment, is { 80ms, 160ms, 320ms, 640ms, 1280ms, 2560ms, 5120ms}.
Should be understood that the 2nd AS signaling also can be the existing message that rebuilds, for example DRX changes request (DRXCHANGE REQUEST) etc.The DRX cycle span of UE request also can be changed.
Step S11:UE request change DRX cycle is finished, if core net or UTRAN agree this request, will adopt new DRX cycle to carry out paging so; If core net or UTRAN disagree with this request, so still adopt original DRX cycle to carry out paging.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present invention; being familiar with those of ordinary skill in the art can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (9)
1. the method that DRX cycle in the mobile communication system is held consultation is characterized in that, described method comprises:
(1) user terminal obtains the DRX cycle of network side configuration by the space interface signaling that comprises DRX cycle, and is stored in the described user terminal;
Whether (2) described user terminal is judged self needs to upgrade described DRX cycle, then enters step (3) if need to upgrade DRX cycle, otherwise still uses the DRX cycle value of network side configuration;
(3) which kind of pattern the RRC status of the described user terminal of judgement is in, if described user terminal is in idle pulley and then enters step (4), if described user terminal is in connection mode and then changes step (8) over to;
Which (4) judge on the core net of described user terminal attached to territory, if attached to then entering step (5) on the core net of packet domain, if attached to then entering step (6) on the core net of circuit domain, if then enter step (7) attached to the core net of packet domain and circuit domain simultaneously;
(5) by the DRX cycle of first Non-Access Stratum signaling change packet domain, in the updating message of described signaling, increase the DRX cycle of a cell to indicate described user terminal expectation to use, enter step (11) then;
(6) by the DRX cycle of second Non-Access Stratum signaling change circuit domain, in the updating message of described signaling, increase the DRX cycle of a cell to indicate described user terminal expectation to use, enter step (11) then;
(7) pass through the DRX cycle that the first Non-Access Stratum signaling is changed packet domain, the DRX cycle of second Non-Access Stratum signaling change circuit domain, in the updating message of described two signalings, increase the DRX cycle of a cell respectively, enter step (11) then to indicate described user terminal expectation to use;
(8) judge described user terminal is in which state of connection mode,, then enter step (10) if be in the URA_PCH state if being in the CELL_PCH state then enters step (9);
(9) by first Access Layer signaling change DRX cycle, in the updating message of described signaling, increase the DRX cycle that a cell uses with the indicating user terminal expectation, enter step (11) then;
(10) by second Access Layer signaling change DRX cycle, in the updating message of described signaling, increase the DRX cycle that a cell uses with the indicating user terminal expectation, enter step (11) then;
(11) user terminal requests change DRX cycle is finished, if core net or UTRAN agree this request, will adopt new DRX cycle to carry out paging so; If core net or UTRAN disagree with this request, so still adopt original DRX cycle to carry out paging.
2. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, the space interface signaling in the step (1) is that system message and/or Radio Resource control connection are set up message.
3. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, the basis for estimation of user terminal comprises business features, the battery electric quantity situation initiated in the step (2).
4. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, the first Non-Access Stratum signaling in step (5) and (7) is that non-access layer information adheres to request/Routing Area Update request message.
5. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, the second Non-Access Stratum signaling in step (6) and (7) is a lane place registration/location area updating message.
6. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, the first Access Layer signaling in the step (9) is a cell update message.
7. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, the second Access Layer signaling in the step (10) is a UTRAN Acceditation Area updating message.
8. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1, it is characterized in that the first Non-Access Stratum signaling in step (5), (6), (7), (9), (10), the second Non-Access Stratum signaling, the first Access Layer signaling and the second Access Layer signaling all are the message that rebuilds.
9. a kind of method that DRX cycle in the mobile communication system is held consultation according to claim 1 is characterized in that, also comprises in step (5), (6), (7), (9), (10): the span that can expand DRX cycle.
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