CN1937826A - Called end quick calling-receiving method for mobile communication system - Google Patents
Called end quick calling-receiving method for mobile communication system Download PDFInfo
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- CN1937826A CN1937826A CNA2005100298134A CN200510029813A CN1937826A CN 1937826 A CN1937826 A CN 1937826A CN A2005100298134 A CNA2005100298134 A CN A2005100298134A CN 200510029813 A CN200510029813 A CN 200510029813A CN 1937826 A CN1937826 A CN 1937826A
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Abstract
The technology of this invention is used to provide a program of rapid receiving call at the Called end in Mobile Communication System, which includes the following steps: initiate paging at CN; RRC connections; NAS Signaling Link and NAS signaling interaction; RAB carrying wireless access. The features are that the link request message packages NAS news when the UE sends RRC connection request message to RNC; RNC transmits the NAS information to CN after receiving and analyzing the RRC called request information. CN based on NAS information can send RAB ordering news- RNC and assigned to paging call. The invention can reduce signaling interactive. At the same time, CN issued RAB allocation request message to the RNC much earlier. RNC completes the news analysis and configuration of the conversion after receiving CN distribution information requests, which reduce subsequent delay and improve users' terminal satisfaction.
Description
Technical field
The present invention relates to the method for called end quick calling-receiving in the mobile communication system, relate in particular to the method for called end quick calling-receiving/session in a kind of 3-G (Generation Three mobile communication system) (UMTS).
Background technology
In communication system, the duration of call setup (being also referred to as calling establishment time delay or the time delay that continues) is a key factor that influences QoS of customer, for the business of the delay sensitive that continues such as interactive entertainment, emergency voice calls, PoC (Pushto talk Over Cellular) etc., calling establishment time delay in the present UMTS system seems and grows (general 6～10 seconds), purpose of the present invention reduces calling establishment time delay exactly, improves user satisfaction.
Simply introduce the called call establishment in the UMTS system below, with travelling carriage (UE) call accepted is example: the process schematic diagram as shown in Figure 1, several main functional entitys in the UMTS system have been comprised among the figure: user side (UE), base station (NodeB), radio network controller (RNC) and core net (CN), in addition, the PoC service in hypothesis Client-initiated packet switching (PS) territory in this schematic diagram, and RRC (Radio Resource control) connection is based upon on the dedicated channel (DCH).
The signaling procedure and the caller of called end receipt of call are similar, mainly comprise:
1) paging (Paging) process;
2) RRC connects the process of setting up;
3) the NAS signaling connects and signalling interactive process;
4) RAB sets up process.
Below further analyze each process:
It is called that paging (paging) process is used for paging, network side is dispatched paging and launch paging information on paging channel, UE adopts discontinuous mode to receive (DRX) paging, network is by system message broadcasting or other signalings UE DRX cycle, regulation in the 3GPP agreement 25.331, the UE DRX receiving cycle under the idle pulley is { 0.64,1.28,2.56,5.12} second.A key factor that influences the paging time delay is exactly a DRX cycle.
The purpose that RRC connect to set up is to set up special-purpose signaling interface channel at UE and UTRAN (UMTS Terrestrial radio access network comprises several RNC and NodeB), transmits interactive signaling between UE and UTRAN and UE and the CN with interface (UU) aloft.What the frame of broken lines phase1:RRC among Fig. 1 connected foundation (RRC connection setup) description is that the RRC that is in the UE initiation under the idle pulley (Idle Mode) connects the process of setting up, UE at first sends RRC and connects foundation request (RRC ConnectionRequest) message, this message goes up at up Common transport channel RACH (Random Access Channel) and sends, in fact, before sending this message, the physical layer of UE needs to send earlier PRACH preamble (the power control of physical layer Random Access Channel is leading) and carries out access attempts, if insert successfully, then send the RRC connection and set up message.RNC receives after request message is set up in the RRC connection to adjudicate whether allow this UE access, if allow, then distribute related resource and dispose NodeB, this layoutprocedure comprises processes such as Radio Link (RL) is set up, IUB interface (RNC and NodeB interface) bearer context for data transmission (ALCAP, access link control protocol) is set up, IUB interface frame agreement (FP) is synchronous.After RNC configures NodeB, begin to dispose the RNC internal entity, as set up Radio Link and control (RLC) and medium access control (MAC) entity etc., send RRC by Common transport channel FACH (forward access channel) then and connect foundation (RRC Connection Setup) message, UE receives the RLC of configuration local terminal after this message, MAC and physical layer, carry out the synchronizing process (L1 Synchronisation) of DPCH then, after treating that synchronizing process is finished, UE sends RRC connection foundation by special uplink channel (DCH) and finishes (RRC Connection SetupComplete) message, and RRC connection is so far set up successfully.Protocal analysis and test shows, RRC connection set-up delay comprise that mainly random access procedure, the transmission of RRC Connection Request message, RNC dispose the time delay that the transmission of NodeB process, RRC Connection Setup message, physical layer synchronization, the transmission of RRC Connection Setup Complete message etc. are introduced.
It is to set up the passage of Signalling exchange between UE and CN that the NAS signaling connects the purpose of setting up, the NAS signaling connect to set up and Signalling exchange shown in Fig. 1 frame of broken lines NAS singling (the NAS signaling is connected and Signalling exchange), mainly comprise processes such as service request (type of service in the message is a page response), IU interface (interface between RNC and the CN) SCCP (SCCP) foundation, authentication and encryption, safe mode (Security Mode) setting, TMSI (Temporary Mobile Subscriber Identity) heavily distribute, PDP (packet data protocol) activation request.According to agreement, processes such as authentication in the NAS signaling and encryption, TMSI heavily distribute are optional. and note: what Fig. 1 described is that the NAS signaling in the process is set up in the session of PS territory, call establishment for CS (circuit switching) territory, the concrete signaling of NAS is slightly different, the analysis NAS signaling procedure time delay of not associating angle is set out CS territory and PS territory basically identical.Protocal analysis and test shows, NAS signaling connection set-up delay mainly comprise the time delay of introducings such as service request Service Request message sends, SCCP connects foundation, Security Mode is provided with, PDP activation request (business that is used for the PS territory)/SETUP (being used for the CS territory calls out) message transmission.
After NAS signaling connection foundation is finished, begin RAB RAB and set up process, shown in frame of broken lines RABsetup among Fig. 1 (RAB foundation), CN sends RAB assignment request (RAB Assignment Request) message and gives RNC, RNC carries out the mapping of RAB to RB (radio bearer) after receiving this message, then NodeB being carried out RL reshuffles, ALCAP sets up, FP waits operation synchronously, send RB then and set up (RB Setup) message to UE, UE receives the RLC of configuration local terminal after this message, MAC and physical layer, UE sends RB foundation and finishes (RB Setup Complete) message to RNC then, RNC is configuring the RLC of local terminal, sending RAB after the MAC assigns response (RAB Assignment Response) message informing CN side RAB to set up successfully, CN sends reception PDP activation (Activate PDP Context Accept) message to UE after receiving this message, notice UE can begin the transmission of data, so far, RAB sets up successfully.By top analysis as can be known, the signaling procedure that call establishment relates to is many, the result causes calling establishment time delay longer, data and test shows, and the calling establishment time delay in the UMTS system also will be grown than gsm system (second generation mobile communication system), therefore, for some business relatively more responsive, be necessary to reduce the calling establishment time delay of UMTS system, to improve user's satisfaction to calling establishment time delay, Given this, the present invention proposes a kind of method that reduces calling establishment time delay.
Summary of the invention
The invention provides the method for called end quick calling-receiving in a kind of mobile communication system, to shorten the receipt of call time delay.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the method for called end quick calling-receiving in a kind of mobile communication system is provided, comprises the steps: that CN is to initiating paging; RRC connects foundation; The NAS signaling connects and the NAS Signalling exchange; The RAB RAB; It is characterized in that UE sends RRC connection request message to RNC, is packaged with NAS message in this connection request message; RNC is receiving from called RRC request message and after resolving, just can be with the NAS forwards to CN, and CN just can send RAB assignment messages RNC according to NAS message and begin and carry out paging to called.
The present invention can reduce the mutual of signaling, and CN issues the RAB allocation request message ahead of time and gives RNC simultaneously, after RNC receives the CN allocation request message, can finish the parsing of message and the conversion of configuration, shortens the time delay that continues, and improves terminal use's satisfaction.
Description of drawings
Fig. 1 is the method flow diagram of existing called end receipt of call.
Fig. 2 is the method flow diagram of called end quick calling-receiving of the present invention.
Embodiment
As shown in Figure 2: the method for called end quick calling-receiving of the present invention comprises the steps:
Steps A: CN is to initiating paging;
Step B:RRC connects foundation:
Step C:UE is connected and the NAS Signalling exchange with NAS signaling between the CN;
Step D:RAB RAB.
Described step B specifically comprises the steps:
Step B1:UE sends RRC connection request message to RNC, is packaged with NAS message (being that service request and PPD activate request/SETUP message) in this message;
Step B2:RNC distributes related resource and disposes NodeB; Specifically comprise: RNC sends Radio Link to NodeB and sets up request; NodeB returns Radio Link to RNC and sets up response; RNC sends bearer context for data transmission to NodeB and sets up request; NodeB sets up to RNC return data transmission bearer and determines; RNC sends downlink synchronization information to NodeB; NodeB sends uplink synchronisation information to RNC;
Step B3:RNC sends business request information to CN;
Setting up SCCP between step B4:RNC and the CN is connected; Specifically comprise: CN sends the SCCP connection request to RNC; RNC returns SCCP with CN and is connected definite.
Step B5:RNC sends PDP to CN and activates request, swashs PDP Context (being used for the PS territory calls out) or issue SETUP (being used for the CS territory calls out) message.
Step B6:CN sends public (common) ID to RNC;
Step B7:CN sends the RAB request for allocation to RNC;
Step B8:RNC sends the RRC connection to UE and sets up message;
Step B9:UE receives RLC, MAC and the physical layer of configuration local terminal after the message, carry out then DPCH synchronously, wait finish synchronously after, UE sends the RRC connection setup complete message, so far RRC connects and sets up successfully.
Described step C specifically comprises:
Step C1: authentication and encryption; Specifically comprise: CN sends authentication and encrypts request to UE, and UE is to CN return authentication and encrypted response; This step is an optional step;
Step C2: safe mode setting; Specifically comprise: CN sends safe mode command to UE, and UE returns safe mode to CN and finishes message;
Step C3:TMSI heavily distributes; This step is an optional step.Specifically comprise: CN sends the heavy assignment commands of TMSI to UE, and UE returns the TMSI Reallocation Complete message to CN;
Described step D specifically comprises:
After step D1:RNC receives the RAB request for allocation, carry out Radio Link reconstruct.Specifically comprise: RNC sends Radio Link reconstruct request to NodeB; NodeB sends Radio Link reconstruct to RNC and prepares message; RNC sends the Radio Link reorganization order to NodeB;
Step D2: the foundation of bearer context for data transmission and synchronous;
Step D3:RNC sends radio bearer and sets up message to UE;
Step D4:UE sends radio bearer foundation and finishes message to RNC.
The method of this specific embodiment is compared with conventional method shown in Figure 1, and the main distinction and advantage are:
1, the NAS signaling between simplification called UE and the CN is removed page response, PDP activation request/SETUP message.NAS signaling after simplifying mainly comprises process message such as authentication, encryption, safe mode, TMSI heavily distribute.And the heavy assigning process of authentication, encryption, TMSI can be used as optional message again.In fact essential message has had only safe mode.The advantage of Chu Liing is to shorten the time delay of NAS Signalling exchange like this.
2, change called RRC connection request message, encapsulation NAS message in this message (being that service request and PDP activate request/SETUP message), RNC is receiving from called RRC request message and after resolving message, just page response and PDP can activated request/SETUP forwards to CN like this.
3, CN just can send the RAB assignment messages to RNC according to service request and PDP activation request/SETUP.
Claims (7)
1, the method for called end quick calling-receiving in a kind of mobile communication system comprises the steps: that CN is to initiating paging; RRC connects foundation; The NAS signaling connects and the NAS Signalling exchange; The RAB RAB; It is characterized in that UE sends RRC connection request message to RNC, is packaged with NAS message in this connection request message; RNC is receiving from called RRC request message and after resolving, just can be with the NAS forwards to CN, and CN just can send RAB assignment messages RNC according to NAS message and begin and carry out paging to called.
2, the method for called end quick calling-receiving in the mobile communication system according to claim 1 is characterized in that, described NAS message comprises: service request, PDP activate request.
3, the method for called end quick calling-receiving in the mobile communication system according to claim 1 is characterized in that, described NAS message comprises: service request, SETUP message.
4, the method for called end quick calling-receiving in the mobile communication system according to claim 1 is characterized in that, described RRC connects establishment step and comprises:
Step B1:UE sends RRC connection request message to RNC, is packaged with NAS message in this message;
Step B2:RNC distributes related resource and disposes Node B;
Step B3:RNC sends business request information to CN;
Setting up SCCP between step B4:RNC and the CN is connected;
Step B5:RNC sends PDP to CN and activates request, swashs PDP Context or issue SETUP message;
Step B6:CN sends public ID to RNC;
Step B7:CN sends the RAB request for allocation to RNC;
Step B8:RNC sends the RRC connection to UE and sets up message;
Step B9:UE receives RLC, MAC and the physical layer of configuration local terminal after the message, carry out then DPCH synchronously, wait finish synchronously after, UE sends the RRC connection setup complete message, so far RRC connects and sets up successfully.
5, the method for called end quick calling-receiving in the mobile communication system according to claim 1 is characterized in that, described NAS signaling connects foundation and NAS Signalling exchange step comprises: the safe mode setting.
6, the method for called end quick calling-receiving in the mobile communication system according to claim 5 is characterized in that, described NAS signaling connects foundation and NAS Signalling exchange step also comprises: authentication and encrypting step; The heavy allocation step of TMSI.
7, the method for called end quick calling-receiving in the mobile communication system according to claim 1 is characterized in that, described RAB RAB step specifically comprises:
After RNC receives the RAB request for allocation, carry out Radio Link reconstruct;
The foundation of bearer context for data transmission and synchronous;
RNC sends radio bearer and sets up message to UE;
UE sends radio bearer foundation and finishes message to RNC.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100298134A CN100525496C (en) | 2005-09-20 | 2005-09-20 | Called end quick calling-receiving method for mobile communication system |
| US11/499,882 US7853257B2 (en) | 2005-09-20 | 2006-08-03 | Method for fast call setup in a mobile communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100298134A CN100525496C (en) | 2005-09-20 | 2005-09-20 | Called end quick calling-receiving method for mobile communication system |
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| CN1937826A true CN1937826A (en) | 2007-03-28 |
| CN100525496C CN100525496C (en) | 2009-08-05 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026129A (en) * | 2010-12-24 | 2011-04-20 | 中兴通讯股份有限公司 | Method and device for processing call delay information |
| CN101355785B (en) * | 2007-07-26 | 2011-07-20 | 华为技术有限公司 | Method and system for transmitting non-access layer information during switching procedure |
| CN102457825A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Transmission method of data and equipment |
| CN101682851B (en) * | 2007-04-23 | 2012-09-26 | T-移动国际股份公司 | Method for ensuring the accessibility of mobile radio devices using an optimized paging mechanism |
| WO2014047933A1 (en) * | 2012-09-29 | 2014-04-03 | Qualcomm Incorporated | Method and apparatus for rrc message combining |
| CN104902587A (en) * | 2015-05-19 | 2015-09-09 | 熊猫电子集团有限公司 | RRC connection establishment method in satellite communication system |
-
2005
- 2005-09-20 CN CNB2005100298134A patent/CN100525496C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682851B (en) * | 2007-04-23 | 2012-09-26 | T-移动国际股份公司 | Method for ensuring the accessibility of mobile radio devices using an optimized paging mechanism |
| CN101355785B (en) * | 2007-07-26 | 2011-07-20 | 华为技术有限公司 | Method and system for transmitting non-access layer information during switching procedure |
| CN102457825A (en) * | 2010-10-15 | 2012-05-16 | 电信科学技术研究院 | Transmission method of data and equipment |
| CN102026129A (en) * | 2010-12-24 | 2011-04-20 | 中兴通讯股份有限公司 | Method and device for processing call delay information |
| WO2012083880A1 (en) * | 2010-12-24 | 2012-06-28 | 中兴通讯股份有限公司 | Method and device for processing call delay information |
| CN102026129B (en) * | 2010-12-24 | 2014-09-10 | 中兴通讯股份有限公司 | Method and device for processing call delay information |
| WO2014047933A1 (en) * | 2012-09-29 | 2014-04-03 | Qualcomm Incorporated | Method and apparatus for rrc message combining |
| CN104902587A (en) * | 2015-05-19 | 2015-09-09 | 熊猫电子集团有限公司 | RRC connection establishment method in satellite communication system |
| CN104902587B (en) * | 2015-05-19 | 2020-02-28 | 熊猫电子集团有限公司 | RRC connection establishment method in satellite communication system |
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Effective date of registration: 20190314 Address after: 101399 Building 8-07, Ronghui Garden 6, Shunyi Airport Economic Core Area, Beijing Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: 201203 3-5 Floor, 696 Songtao Road, Zhangjiang High-tech Park, Pudong New Area, Shanghai Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
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Application publication date: 20070328 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: X2021110000008 Denomination of invention: A method of fast receiving call for called end in mobile communication system Granted publication date: 20090805 License type: Exclusive License Record date: 20210317 |
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