CN1770910A - Service wireless network subsystem repositioning method involving user terminal - Google Patents
Service wireless network subsystem repositioning method involving user terminal Download PDFInfo
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- CN1770910A CN1770910A CN 200410087167 CN200410087167A CN1770910A CN 1770910 A CN1770910 A CN 1770910A CN 200410087167 CN200410087167 CN 200410087167 CN 200410087167 A CN200410087167 A CN 200410087167A CN 1770910 A CN1770910 A CN 1770910A
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Abstract
This invention relates to UMTS terminal service wireless network sub system re-positioning method, which comprises the following steps: In the source wireless network controller, informing UE to execute relative operation of SRNS: firstly loading control message with new global land wireless internet wireless temperate label; for RB re-dispatching process, then message comprising division group data sequence number information; for other RB control process without damage of SRNS, the message comprising down linkage timer simultaneous information; Receiving the RB control information for relative matching.
Description
Technical field
The present invention relates to the mobile communication technology field, relate to or rather in the whole world (general) mobile communication system (UMTS:Universal Mobile TelecommunicationsSystem) of 3-G (Generation Three mobile communication system), Universal Terrestrial Radio Access Network (UTRAN:Universal Terrestrial RadioAccess Network) side initiates to relate to the implementation method of the SRNS Serving Radio Network Subsystem that subscriber equipment is terminal (UE:User Equipment) (SRNS:Serving Radio Network Subsystem) repositioning process.
Background technology
In 3-G (Generation Three mobile communication system) UMTS, when UE moves to the intersection of two radio network controllers (RNC:Radio Network Controller) compass of competency, the SRNS repositioning process can take place, its objective is that the connection with a user switches to another RNC (Target RNC) from a RNC (source RNC), promptly the Serving RNC (old SRNC) from a Geju City switches to a new Serving RNC (New SRNC), and can continue to keep and being connected and miscellaneous service of network side.
The SRNS repositioning process is divided into two kinds: relate to the SRNS reorientation (UE involved SRNSrelocation) of UE; Do not relate to the SRNS reorientation (UE not involved SRNS relocation) of UE.The inventive method is applicable to the SRNS repositioning process that relates to UE.
Provide the SRNS repositioning process basic step that relates to UE among Fig. 1, repositioning process is mainly finished by RNC control.Suppose that terminal UE is just moving the intersection with Target RNC (new Serving RNC) compass of competency at source RNC (old Serving RNC).
After step 2, core net (CN) are received RELOCATION REQUEST message from source RNC,, initiate the reorientation resource allocation process by sending reorientation resource allocation request (RELOCATION REQUEST) message to Target RNC (new Serving RNC).
This step has embodied the SRNS repositioning process that relates to UE to be needed the UTRAN side to send air interface signaling message to notify UE to carry out the action relevant with the SRNS reorientation.In present agreement, be such at the description that triggers the SRNS repositioning process that relates to UE by air interface signaling message:
If radio bearer (RB:Radio Bearer) control procedure (comprising that RB reshuffles, RB sets up, RB discharges, transmission channel is reshuffled or physical channel is reshuffled) is carried out simultaneously with the SRNS reorientation, then be divided into following several situation:
1) if the radio bearer control messages that network side sends is that radio bearer is reshuffled, in message, comprise new UTRAN Radio Network Temporary Identifier (New U-RNTI) this information unit (IE:InformationElement);
If the radio bearer control messages that network side sends is: radio bearer is set up or radio bearer discharges or transmission channel is reshuffled or physical channel is reshuffled, and comprise downlink counter synchronizing information (Downlink counter synchronisation info) this information unit (IE) in message.
As can be seen from Figure 1, the SRNS repositioning process that relates to UE at first is to be initiated by source RNC, and request core net (CN) equipment begins to carry out reorientation; The preparation that begins to carry out reorientation by CN notification target side RNC again; When target side RNC finishes the preparation of reorientation (Radio Link and transmission bearer etc. are set up in the jurisdiction district that is included in new RNC), then notify CN; At this moment, CN order source RNC can begin to have related to user's SRNS reorientation; Source RNC carries out the SRNS repositioning process by RB control messages (RB reshuffles or RB sets up or RB discharges or transmission channel is reshuffled or physical channel is reshuffled) notice UE side; UE sets up new being connected with target side RNC after finishing self configuration, to target side RNC send reshuffle finish message (RB reshuffle finish or RB set up finish RB discharge finish or transmission channel reshuffle finish or physical channel reshuffle finish); Target RNC thinks that UE has finished the SRNS reorientation and notified CN after receiving this message, again by the resource of CN notification source RNC release busy.Finish whole SRNS repositioning process.
In relating to the SRNS repositioning process of UE, the UTRAN side is carried out the SRNS repositioning process by RB control messages notice UE side, the content of the RB control messages of notice UE side, include only a kind of in above-mentioned five kinds of control messages, promptly RB reshuffles or RB sets up or RB discharges or transmission channel is reshuffled or physical channel is reshuffled.
In step 5, the way that the mode that provides according to agreement initiates to relate to the SRNS repositioning process of UE is inaccurate, causes qi justice easily, and has also limited the realization of equipment to a certain extent.The reasons are as follows:＜1 the SRNS reorientation is as a kind of switching mode, when the Target cell resource can satisfy former business to the requiring of resource, in most of the cases can use the physical channel reconfiguration course and can not use the radio bearer reconfiguration course.But, when the RB control procedure of initiating at network side takes place simultaneously with the SRNS repositioning process, have only just to comprise an IE who is called New U-RNTI in radio bearer (RB) reconfiguration message by agreement regulation.＜2〉UE should differentiate whether carry out the SRNS reorientation based on " New U-RNTI ", and the Packet Service whether downlink synchronization counter information (Downlink counter synchronisation info) just is used for differentiating at packet switching (PS:Packet Switched) territory can't harm the foundation of reorientation.At present in fact way in the agreement has limited the SRNS reorientation that UE can only use the radio bearer reconfiguration course to carry out to diminish, and using that RB sets up, RB discharges, transmission channel is reshuffled or the physical channel reconfiguration course can only be carried out the harmless SRNS reorientation of pure Packet Service, this obviously is inappropriate.
As the above analysis, cause easily that according to the way in the present agreement that embodies by step 5 ambiguity takes place for UTRAN side and UE side when carrying out the SRNS reorientation, because if the words of doing according to the requirement of agreement, the SRNS repositioning process that relates to UE so for major part, can only use radio bearer to reshuffle (RADIOBEARER RECONFIGURATION) message and notify UE, just can comprise " NewU-RNTI " this IE in this message because have only.It is more more when actual conditions are to use the physical channel reconfiguration message, and agreement requires when use other four message except that radio bearer reconfiguration message are carried out the SRNS reorientation that relates to UE, must in message, comprise this information unit of downlink counter synchronizing information (IE), and this IE only can use in harmless reorientation, normal circuit domain business does not need to carry out harmless reorientation certainly, some packet switch domain service does not require harmless reorientation yet, so this requirement is irrational.
For the SRNS repositioning process that relates to UE is carried out the Wu Qi free burial ground for the destitute exactly, must revise the way in the agreement that embodies by step 5.
Summary of the invention
The objective of the invention is to design a kind of method for relocating service wireless network subsystem that relates to user terminal, when the triggering of UTRAN side related to the SRNS repositioning process of UE, correct UTRAN side and the UE side of also reasonably making can have ambiguity ground execution SRNS repositioning process.
The technical scheme that realizes the object of the invention is such: a kind of method for relocating service wireless network subsystem that relates to user terminal, network side is after completing successfully reorientation preparation, RNC organizes air-interface information by source radio network controller, utilize radio bearer control messages notice terminal UE to carry out and the relevant operation of SRNS Serving Radio Network Subsystem SRNS reorientation, UE carries out self configuration according to message content, it is characterized in that:
Described source RNC organizes air-interface information, comprising:
A1. in described radio bearer control messages, comprise new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier New U-RNTI;
So during A2. to the radio bearer reconfiguration course of radio bearer control and for harmless SRNS reorientation, also in the message of steps A 1, comprise packet data convergence protocol PDCP sequence number information, then execution in step C;
So A3. the radio bearer of radio bearer control is set up or radio bearer discharges or transmission channel is reshuffled or physical channel reconfiguration course and during for harmless SRNS reorientation, also in the message of steps A 1, comprise downlink counter synchronizing information, execution in step C then;
C. other information units IE that radio bearer control is needed is organized in the described message.
So to the radio bearer reconfiguration course but when not being harmless SRNS reorientation, directly carry out described step C.
Set up or radio bearer discharges or transmission channel is reshuffled or physical channel reconfiguration course and when not being harmless SRNS reorientation for radio bearer, directly carry out described step C.
Described UE carries out self configuration according to message content, comprising:
B1. after described UE receives described radio bearer control messages, at first judging whether it is the radio bearer reconfigure command, is execution in step B2 then, otherwise execution in step B3;
B2. judging whether comprise new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier New U-RNT I in the described message, is execution in step B21 then, otherwise execution in step B22;
B21. judge and whether comprise packet data convergence protocol PDCP sequence number information in the described message, be then to handle, otherwise handle by the radio bearer reconfiguration course of following the SRNS reorientation normally by the radio bearer reconfiguration course of following harmless SRNS reorientation;
B22. handle by normal radio bearer reconfiguration course;
B3. judging whether comprise new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier New U-RNTI in the described message, is execution in step B31 then, otherwise execution in step B32;
B31. judge whether comprise the downlink counter synchronizing information in the described message, be then to can't harm the processing of SRNS repositioning process, otherwise handle by the process of following the SRNS reorientation normally by following;
B32. handle by the process that normal radio bearer is set up or radio bearer discharges or transmission channel is reshuffled or physical channel is reshuffled.
The SRNS repositioning process that relates to UE needs the UTRAN side to send air interface signaling message to notify UE to carry out the action relevant with the SRNS reorientation, can use any message in five kinds of message of RB control procedure (comprise that RB reshuffles, RB foundation, RB release, transmission channel is reshuffled and physical channel is reshuffled) to notify.
Technical scheme of the present invention is the correction to abovementioned steps 5, content comprises: when the RB control procedure of initiating when network side takes place simultaneously with the SRNS repositioning process (by this process of source RNC decision triggering), all need in message, comprise IE " New U-RNTI ", and the sign of the member IE SRNC in " New U-RNTI " (SRNCidentity) should be different by the SRNC sign that other air interface signaling message bring UE with the front; If the network side expectation can't harm the SRNS repositioning process, then: reshuffle (RADIO BEARER RECONFIGURATION) if the message of sending is radio bearer, need in message, comprise IE " PDCP SN info " (this IE is arranged in higher level IE " RB information to reconfigure "); Set up (RADIO BEARER SETUP) or radio bearer and discharge (RADIO BEARER RELEASE) or transmission channel and reshuffle that (TRANSPORT CHANNEL RECONFIGURATION or physical channel are reshuffled (PHYSICAL CHANNEL RECONFIGURATION), then will comprise " Downlink countersynchronisation info " this IE in message if the message of sending is radio bearer.
In 3-G (Generation Three mobile communication system) UMTS, at present to initiate to relate to the description of SRNS repositioning process of UE inaccurate and increased a lot of restrictions to realizing for the UTRAN side of stipulating in the agreement, can cause UTRAN side and UE side in the process of carrying out the SRNS reorientation ambiguity to take place.The present invention is directed to this problem and propose, adopt implementation method of the present invention, the SRNS repositioning process that the UTRAN side is triggered exactly relate to UE has remedied the defective in the present agreement, makes UTRAN and UE can have ambiguity ground and carries out the SRNS repositioning process.
Method of the present invention is applicable to broadband CDMA frequency divided duplex (WCDMA FDD)/high spreading rate time division duplex (HCR TDD), low spreading rate time division duplex (LCR TDD), i.e. time-division duplex-S-CDMA (TD-SCDMA) system simultaneously.
Description of drawings
Fig. 1 is the SRNS repositioning process schematic flow sheet of the existing UE of relating to;
Fig. 2 be the present invention mention in relating to the SRN repositioning process of UE, the FB(flow block) when network side source RNC organizes message is carried out the SRNS repositioning process by radio bearer control messages notice UE side;
Fig. 3 is of the present invention in relating to the SRN repositioning process of UE, and the FB(flow block) of UE side processing messages is to handling from the message of source RNC.
Embodiment
According to the SRNS Serving Radio Network Subsystem that relates to user terminal (SRNS) method for relocating, the SRNS repositioning process that relates to UE needs the UTRAN side to send air interface signaling message to notify UE to carry out the action relevant with the SRNS reorientation; Can use the RB control procedure this moment, comprise use RB to reshuffle RB sets up or RB discharges or transmission channel is reshuffled or the physical channel reconfiguration message in any message, and trigger by air interface signaling message.
After source RNC receives reorientation command messages from core net, organize air interface signaling message, send to UE, source RNC utilizes this message to carry out the SRNS reorientation that relates to UE.The process that source RNC organizes air interface signaling message as shown in Figure 2.Radio bearer control and SRNS repositioning process that this moment, network side was initiated take place simultaneously.
Step 21, RNC decision in source initiates to relate to the SRNS repositioning process of UE.
Step 233 comprises this IE of PDCP (packet data convergence protocol) sequence number information (SN INFO) again in message;
Step 234 is organized other required IE of radio bearer control, and the radio bearer control messages (being defined as radio bearer reconfiguration message this moment) that constitutes is sent to UE.
Step 242 judges whether it is harmless SRNS reorientation, is execution in step 243,244 then, otherwise direct execution in step 244;
Step 243 comprises this IE of downlink counter synchronizing information (Downlink countersynchronisation info) again in message;
Step 244 is organized other required IE of radio bearer control, and the radio bearer control messages (determine this moment is not radio bearer reconfiguration message) that constitutes is sent to UE.
UE receives the radio bearer control messages from source RNC, and performed processing procedure as shown in Figure 3.
Step 332 judges whether comprise this IE of PDCP (packet data convergence protocol) sequence number information (SNINFO) in the message, is then 334 to handle set by step, otherwise 335 handles set by step;
Step 333 is handled by normal radio bearer reconfiguration course.
Step 334 is handled by the radio bearer reconfiguration course of following harmless SRNS reorientation.
Step 335 is handled by the radio bearer reconfiguration course of following the SRNS reorientation normally.
Step 342 is judged (Downlinkcounter synchronisation info) this IE that whether comprises the downlink counter synchronizing information in the message, is then 344 to handle set by step, otherwise 345 handles set by step;
Step 343 is handled by one of normal other four kinds of radio bearer control (radio bearer is set up, radio bearer discharges, transmission channel is reshuffled, physical channel reshuffle).
Step 344 is handled by the radio bearer control of following harmless SRNS reorientation.
Step 345 is handled by the radio bearer control of following the SRNS reorientation normally.
By to Fig. 2,3 procedure declaration, can summarize the main points that draw the inventive method and be:
When RB control procedure of initiating at network side and SRNS repositioning process take place simultaneously, source RNC need comprise " New U-RNTI " this IE in the radio bearer control messages of UE transmission, and the member IE-SRNC that is somebody's turn to do in " NewU-RNTI " identifies the preceding SRNC sign difference that brings UE by other air interface signaling message of step therewith; When network side expectation can't harm the SRNS repositioning process, the message of sending at source RNC was radio bearer when reshuffling, and need comprise IE " PDCP SN info " (this IE member's structure is implied in its higher level IE member structure) in message; When the message of sending is that radio bearer is set up or radio bearer discharges or transmission channel is reshuffled or physical channel when reshuffling, then in message, comprise this IE of downlink counter synchronizing information (Downlink counter synchronisation info).
Claims (7)
1. method for relocating service wireless network subsystem that relates to user terminal, network side is after completing successfully reorientation preparation, RNC organizes air-interface information by source radio network controller, utilize radio bearer control messages notice terminal UE to carry out and the relevant operation of SRNS Serving Radio Network Subsystem SRNS reorientation, UE carries out self configuration according to message content, it is characterized in that:
Described source RNC organizes air-interface information, comprising:
A1. in described radio bearer control messages, comprise new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier New U-RNTI;
So during A2. to the radio bearer reconfiguration course of radio bearer control and for harmless SRNS reorientation, also in the message of steps A 1, comprise packet data convergence protocol PDCP sequence number information, then execution in step C;
So A3. the radio bearer of radio bearer control is set up or radio bearer discharges or transmission channel is reshuffled or physical channel reconfiguration course and during for harmless SRNS reorientation, also in the message of steps A 1, comprise downlink counter synchronizing information, execution in step C then;
C. other information units IE that radio bearer control is needed is organized in the described message.
2. method according to claim 1 is characterized in that: in described steps A 1, comprise in described New U-RNTI that also is different from a SRNC sign that brings UE before this by other air interface signaling.
3. method according to claim 2 is characterized in that: in described steps A 1, the sign of the service wireless network controller SRNC among the described NewU-RNTI is filled to the identify label ID of Target RNC.
4. method according to claim 1 is characterized in that also comprising in the described steps A 2: so to the radio bearer reconfiguration course but when not being harmless SRNS reorientation, directly carry out described step C.
5. method according to claim 1, it is characterized in that also comprising in the described steps A 3: set up or radio bearer discharges or transmission channel is reshuffled or physical channel reconfiguration course and when not being harmless SRNS reorientation for radio bearer, directly carry out described step C.
6. method according to claim 1 is characterized in that described UE carries out self configuration according to message content, comprising:
B1. after described UE receives described radio bearer control messages, at first judging whether it is the radio bearer reconfigure command, is execution in step B2 then, otherwise execution in step B3;
B2. judging whether comprise new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier NeW U-RNTI in the described message, is execution in step B21 then, otherwise execution in step B22;
B21. judge and whether comprise packet data convergence protocol PDCP sequence number information in the described message, be then to handle, otherwise handle by the radio bearer reconfiguration course of following the SRNS reorientation normally by the radio bearer reconfiguration course of following harmless SRNS reorientation;
B22. handle by normal radio bearer reconfiguration course;
B3. judging whether comprise new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier New U-RNTI in the described message, is execution in step B31 then, otherwise execution in step B32;
B31. judge whether comprise the downlink counter synchronizing information in the described message, be then to can't harm the processing of SRNS repositioning process, otherwise handle by the process of following the SRNS reorientation normally by following;
B32. handle by the process that normal radio bearer is set up or radio bearer discharges or transmission channel is reshuffled or physical channel is reshuffled.
7. method according to claim 6, it is characterized in that: among described step B2 and the B3, in judging described message, whether comprise in the new Universal Terrestrial Radio Access Network UTRAN Radio Network Temporary Identifier New U-RNTI, comprising also whether the SRNC sign of judging this new U-RNTI information about firms unit is different from before this by source RNC brings the SRNC sign of described UE by air interface signaling message, then carries out described step B21, B31 when two judgements are all satisfied.
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| CNB2004100871672A CN100399860C (en) | 2004-11-04 | 2004-11-04 | Service wireless network subsystem repositioning method involving user terminal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083544A1 (en) * | 2006-12-01 | 2008-07-17 | Huawei Technologies Co., Ltd. | Amethod, device and system for transmitting the sequence number of the reset message, during the handover process |
| WO2009043297A1 (en) * | 2007-09-27 | 2009-04-09 | Huawei Technologies Co., Ltd. | A method, equipment and system for confirming the paging transmission channel and triggering srns relocation |
| CN101409907B (en) * | 2007-10-08 | 2010-11-10 | 华为技术有限公司 | Method and equipment for improving migration success rate |
| CN102378294A (en) * | 2010-08-12 | 2012-03-14 | 中兴通讯股份有限公司 | Method and device for packet switch (PS) service intersystem switching in dual-mode radio network controller (RNC) |
| CN101414947B (en) * | 2008-11-19 | 2012-05-23 | 中国科学院计算技术研究所 | Organization management method and system for identifier and data of wideband radio communication system |
| CN104159261A (en) * | 2014-08-06 | 2014-11-19 | 大唐移动通信设备有限公司 | Cell updating method and system in repositioning process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2356770A (en) * | 1999-11-23 | 2001-05-30 | Ericsson Telefon Ab L M | SRNS relocation in a UMTS network |
| FI112305B (en) * | 2000-02-14 | 2003-11-14 | Nokia Corp | Numbering of data packets during packet switching data transfer |
| US6725040B2 (en) * | 2001-07-09 | 2004-04-20 | Asustek Computer Inc. | Lossless SRNS relocation procedure in a wireless communications system |
| CN1204724C (en) * | 2002-02-08 | 2005-06-01 | 华硕电脑股份有限公司 | Data transmission confirming method |
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2004
- 2004-11-04 CN CNB2004100871672A patent/CN100399860C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083544A1 (en) * | 2006-12-01 | 2008-07-17 | Huawei Technologies Co., Ltd. | Amethod, device and system for transmitting the sequence number of the reset message, during the handover process |
| CN101115025B (en) * | 2006-12-01 | 2011-01-19 | 华为技术有限公司 | Method, device and system for transmitting reset message sequence number in switch process |
| WO2009043297A1 (en) * | 2007-09-27 | 2009-04-09 | Huawei Technologies Co., Ltd. | A method, equipment and system for confirming the paging transmission channel and triggering srns relocation |
| CN101409907B (en) * | 2007-10-08 | 2010-11-10 | 华为技术有限公司 | Method and equipment for improving migration success rate |
| CN101414947B (en) * | 2008-11-19 | 2012-05-23 | 中国科学院计算技术研究所 | Organization management method and system for identifier and data of wideband radio communication system |
| CN102378294A (en) * | 2010-08-12 | 2012-03-14 | 中兴通讯股份有限公司 | Method and device for packet switch (PS) service intersystem switching in dual-mode radio network controller (RNC) |
| CN104159261A (en) * | 2014-08-06 | 2014-11-19 | 大唐移动通信设备有限公司 | Cell updating method and system in repositioning process |
| CN104159261B (en) * | 2014-08-06 | 2017-12-05 | 大唐移动通信设备有限公司 | Cell update method and system in a kind of repositioning process |
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| CN100399860C (en) | 2008-07-02 |
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Effective date of registration: 20210609 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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