CN101128037B - Switching method and system for mobile communication - Google Patents
Switching method and system for mobile communication Download PDFInfo
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- CN101128037B CN101128037B CN2006101121884A CN200610112188A CN101128037B CN 101128037 B CN101128037 B CN 101128037B CN 2006101121884 A CN2006101121884 A CN 2006101121884A CN 200610112188 A CN200610112188 A CN 200610112188A CN 101128037 B CN101128037 B CN 101128037B
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011176 pooling Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 abstract description 9
- 230000011664 signaling Effects 0.000 description 10
- 238000012217 deletion Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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Abstract
The utility model discloses a mobile communication switching method and system, comprising the following steps: a second link that carries DCH and E-DCH businesses is added based on a first link that only carries DCH business; the DCH business of the first link and the second link is conducted softer combination; a wireless network controller is informed by adding E-DCH business information and the DCH softer combination information belonging to different first class fields carried in the information of RADIO LINK ADDITION RESPONSE. The utility model improves the success rate of mobile communication switching and enables continuous communication business.
Description
Technical field
The present invention relates to communication means and equipment thereof, particularly relate to a kind of mobile communication switching method and equipment thereof.
Background technology
Consult Fig. 1, prior art relates to the wireless network that switches the sub-district and comprises radio network controller (RNC, Radio Network Controller) 110 the user terminal (UE, User Equipment) 140 below node (NODEB, base station of WCDMA system) 120 and the node 120.When UE 140 switches, increase (RADIO LINK ADDITION, RLADDITION) increase relevant information notice RNC 110 in the signaling process at Radio Link by node 120 between sub-district 130.
Consult Fig. 2, in a kind of prior art switch instances, promptly between sub-district 130, carry out the professional process of switching of DCH/E-DCH (Enhanced UL DCH, enhanced uplink dedicated channel) and comprise the steps:
201,1 o'clock stage, UE 140 sets up Radio Link (RL) 0 by the signaling procedure that Radio Link is set up under the CELL0 of NODEB0 (CELL, the logic district under the WCDMA system), and wherein CELL0 supports DCH and E-DCH business; The concrete business that described RL0 goes up carrying is: 3.4K+64K (only descending)+high speed uplink packet inserts (HSUPA, High Speed Uplink Packet Access), comprising DCH business: 3.4K+64K (only descending), also comprise E-DCH business: HSUPA;
202,2 o'clock stages, UE 140 moves in the common area of coverage of CELL1 signal of the CELL0 of NODEB0 and NODEB1, and the signaling procedure of setting up by Radio Link under the CELL1 of NODEB1 is set up RL1 again, and wherein CELL1 only supports the DCH business; Because CELL1 only supports the DCH business, so the concrete business that RL1 goes up carrying is DCH:3.4K+64K (only descending), and this moment, UE 140 had RL0, RL1 two wireless links simultaneously, and the DCH data of this two wireless links are carried out soft merging at NODEB1; Described soft merging is meant that Radio Link selects in RNC 110 sides;
203, along with the continuation of UE 140 is moved, 3 o'clock stages, the signaling procedure that increases by Radio Link under the CELL2 of NODEB1 increased RL2 again, and wherein CELL2 supports DCH and E-DCH
Field.Wherein the Combining field is used to tell RNC softer combination situation, Non Combining be used to tell RNCDCH/E-DCH newly-built/newly-increased situation.
For a RADIO LINK ADDITION RESPONSE message, CHOICE DiversityIndication field can only be selected a kind of secondary field, i.e. Combining or Non Combining.That is to say, can only select one in the CHOICE Diversity Indication field: Combining or NonCombining; But, all will be wrong like this, in any case CHOICE Diversity Indication field is filled in:
Because when carrying out step 204, along with the continuation of UE 140 is moved and is positioned at the stage 4, because the signal of UE140 under CELL0 and CELL1 is very faint, so RNC 110 can deletion RL0 and RL1, and UE 140 has only this wireless links of RL2.
If at this moment CHOICE Diversity Indication field is Combining in step 203, because CHOICE Diversity Indication field can only alternative relation, then E-DCH FDDInformation Response information can't be notified RNC, be in 4 o'clock stages at UE 140, the HSUPA of UE 140 corresponding E-DCH is professional can to interrupt; If CHOICE DiversityIndication field is Non Combining in step 203, then NODEB1 can't fill in DCH InformationResponse cell, cause NODEB1 to increase the RL2 failure, then be in 4 o'clock stages at UE 140, UE 140 does not have a wireless links, and the business of whole UE 140 is interrupted.
The prior art subscriber equipment carries out DCH/E-DCH service switching between the sub-district process is not limited to above-mentioned situation, carries out softer merging and needs report RNC to set up under the situation of related service at needs, all may have above-mentioned technical problem.That is to say the RADIO LINK ADDITIONRESPONSE structure defectiveness of present 433 agreements, NODEB can't correctly inform RNC active user's link condition, makes the signaling process mistake of IUB mouth (interface between RNC and the Node B).
The technical problem to be solved in the present invention provides the method that a kind of mobile communication that improves the mobile communication handover success rate is switched.
The technical problem to be solved in the present invention is the equipment that also provides a kind of mobile communication that improves the mobile communication handover success rate to switch.
For solving above-mentioned first technical problem, the objective of the invention is to be achieved through the following technical solutions: the method that provides a kind of mobile communication to switch comprises step: having second link that increases carrying DCH and E-DCH business on first link basis of only carrying the DCH business; DCH business to described first link and second link is carried out softer merging; Notify radio network controller by in RADIO LINK ADDITION RESPONSE message, carrying the softer pooling information of described DCH that adheres to different major class fields separately simultaneously and increasing the E-DCH business information.
Preferably, the CHOICE DiversityIndication major class field that the softer pooling information content of described DCH is Combining represents that described increase E-DCH business information is represented with E-DCH FDD InformationResponse major class field.
Preferably, describedly also comprising step before the second link step that increases carrying DCH and E-DCH business on existing first link basis of only carrying the DCH business: with the base station of first link and the second link different base station under carry out DCH and E-DCH business.
Preferably, comprise step behind second link that increases carrying DCH and E-DCH business and during the first link signal undercapacity: delete first link.
For solving above-mentioned second technical problem, the objective of the invention is to be achieved through the following technical solutions: the equipment that provides a kind of mobile communication to switch comprises: having the unit that increases by second link of carrying DCH and enhanced uplink dedicated channel E-DCH business on first link basis of only carrying special uplink channel DCH business; The unit that the DCH business of described first link and second link is carried out softer merging; By in RADIO LINK ADDITION RESPONSE message, carrying the softer pooling information of described DCH that adheres to different major class fields separately simultaneously and increasing the unit that the E-DCH business information is notified radio network controller.
Preferably, the described softer pooling information of described DCH and the increase E-DCH business information that adhere to different major class fields separately of carrying simultaneously in RADIO LINK ADDITION RESPONSE message comprises:
The CHOICE DiversityIndication major class field that the softer pooling information content of described DCH is Combining represents that described increase E-DCH business information is represented with E-DCH FDD InformationResponse major class field.
Preferably, described first link and second link lay respectively at first sub-district and second sub-district, and the DCH business is only supported in described first sub-district, and DCH and E-DCH business are supported in described second sub-district.
Summary of the invention
More than first technical scheme as can be seen, because the present invention generates CHOICE Diversity Indication major class field and the E-DCH FDD Information Response major class field that adheres to different major class fields separately simultaneously in a RADIO LINK ADDITIONRESPONSE message, can tell the information of softer merging of radio network controller and increase E-DCH business simultaneously, avoid in CHOICE Diversity Indication major class field, to select a kind of secondary field in the prior art and cause in softer merging and to increase in professional two information of E-DCH and select one, in any case and cause CHOICE DiversityIndication field to be filled in all causing communication failure.
More than second technical scheme as can be seen, because the present invention generates CHOICE Diversity Indication major class field and the E-DCH FDD Information Response major class field that adheres to different major class fields separately simultaneously by the handover information generation unit in a RADIO LINK ADDITION RESPONSE message, and tell the softer merging of radio network controller and increase the information of E-DCH business, avoid in CHOICE Diversity Indication major class field, to select a kind of secondary field in the prior art and cause in softer merging and to increase in professional two information of E-DCH and select one, in any case and the CHOICE Diversity Indication field that causes is filled in and all caused communication failure condition.
Description of drawings
Fig. 1 is a kind of mobile communication handoff scenario of prior art schematic diagram;
Fig. 2 is the mobile communication switching flow figure that takes place according to scene shown in Figure 1;
Fig. 3 is a mobile communication system schematic diagram of the present invention;
Fig. 4 is a mobile communication switching method flow chart of the present invention.
Embodiment
Basic principle of the present invention is: in mobile communication is switched, carry out softer merging and need to report under the situation of RNC foundation/increase related service at needs, change the mode of existing 433 agreements by RL ADDITION signaling RNC, promptly notifying the softer merging of RNC simultaneously and set up the E-DCH service related information, specifically is to notify radio network controller by carrying the softer pooling information of described DCH that adheres to different major class fields separately and increase the E-DCH business information in RADIO LINK ADDITION RESPONSE message.
Below in conjunction with execution mode and accompanying drawing, describe the present invention.The present invention schematically lifts following execution mode and carries out softer merging and need report RNC to set up under the situation of related service at needs with explanation, how to realize the present invention.Described execution mode relates to UE and carry out the scene that mobile communication is switched between two different NODEB, wherein the CELL under first NODEB supports the DCH/E-DCH business, CELL under second NODEB comprises two CELL, one of them CELL only supports the DCH business, and another CELL then supports the DCH/E-DCH business.UE is that first CELL under first NODEB moves to the CELL that only supports the DCH business under second NODEB, moves to the CELL of second support DCH/E-DCH business under the NODEB at last.
Consult Fig. 3, the execution mode of described mobile communication switching method of the present invention is that UE 340 carries out the professional process of switching of DCH/E-DCH between sub-district 330.Described UE 340 carries out mobile communication and switches at two different NODEB321 between 322, described two NODEB 321,322 are subjected to RNC 310 controls.NODEB has CELL0 321 times, and NODEB has CELL1 and CELL2 322 times.Described execution mode comprises step:
401,1 o'clock stage, UE 340 sets up RL0 by the signaling procedure that Radio Link is set up under the CELL0 of NODEB 321, and wherein CELL0 supports DCH and E-DCH business; The concrete business that described RL0 goes up carrying is: 3.4K+64K (only descending)+HSUPA comprising DCH business: 3.4K+64K (only descending), also comprises E-DCH business: HSUPA;
402,2 o'clock stages, UE 340 moves in the common area of coverage of CELL1 signal of the CELL0 of NODEB 322 and NODEB 321, and the signaling procedure of setting up by Radio Link under the CELL1 of NODEB 322 is set up RL1 again, and wherein CELL1 only supports the DCH business; Because CELL1 only supports the DCH business, so the concrete business that RL1 goes up carrying is DCH:3.4K+64K (only descending), and this moment, UE 340 had RL0, RL1 two wireless links simultaneously, and the DCH data of this two wireless links are carried out soft merging at NODEB 322;
403, along with the continuation of UE 340 is moved, 3 o'clock stages, the signaling procedure that increases by Radio Link under the CELL2 of NODEB 322 increased RL2 again, and wherein CELL2 supports DCH and E-DCH business; The detailed process that increases RL2 is:
403a, CELL2 and UE 340 detect signal separately;
403b, CELL2 and UE 340 report RNC 310 result of detection separately by NODEB 322;
403c, RNC 310 send the request that increases link RL2 to NODEB 322;
403d, NODEB 322 increase link RL2;
403e, the DC H business of described RL1 and RL2 is carried out softer merging;
403f, notify RNC 310 with the link establishment result by carrying the softer pooling information of described DCH that adheres to different major class fields separately and increase the E-DCH business information in RADIO LINK ADDITION RESPONSE message, RNC 310 communicates in view of the above.
404, move along with the continuation of UE 340 and be positioned at the stage 4, because the signal of UE 340 under CELL0 and CELL1 is very faint, so RNC 310 deletion RL0 and RL1, successfully keeping RL2, the HSUPA business is not interrupted.
In above-mentioned steps 403, because CELL2 supports DCH and E-DCH business, and CELL0 also supports the E-DCH business, in order to allow professional continuity, RNC 310 request NODEB 322 carrying E-DCH business on newly-increased RL2, so the concrete business that RL2 upward carries is: 3.4K+64K (only descending)+HSUPA, and this moment, UE 340 had RL0, RL1, RL2 three wireless links simultaneously; Wherein, RL0 carries out the soft merging of DCH with RL1, RL2 respectively, and the DCH of RL1 and RL2 carries out softer merging.
Need the softer combination situation of link and DCH/E-DCH is newly-built/newly-increased situation tell RNC 310 by the RLADDITION signaling process this moment.
Consult following table two, wherein, the substep 403f in the step 403 specifically is the softer pooling information of telling RNC 310 and DCH business professional about newly-increased E-DCH by the RADIO LINK ADDITION RESPONSE message that NODEB 322 sends to RNC 310.
| Cell/group name (IE/Group Name) | Indicate (Presence) | Scope (Range) | Cell type and reference (IE Type and Reference) | (Semantics Description) is described | Key (Criticality) | Designated key (Assigned Criticality) |
| ...... | ...... | ...... | ... | ..... | ...... | ...... |
| >Received Total Wide Band Power | M | 9.2.2.39A | - | |||
| >CHOICE Diversity Indication | M | - | ||||
| >>Combining | - | |||||
| >>>RL ID | M | 9.2.1.53 | Reference RL | - | ||
| >>Non Combining | - | |||||
| >>>DCH Information Response | M | 9.2.1.20C | - | |||
| >SSDT Support | M | 9.2.2.46 | - |
| Indicator | ||||||
| >DL Power Balancing Activation Indicator | O | 9.2.2.12C | YES | ignore | ||
| >E-DCHRL Set ID | O | RL Set ID 9.2.2.39 | YES | ignore | ||
| >E-DCH FDD DL Control Channel Information | O | 9.2.2.13Dc | YES | ignore | ||
| >Initial DL DPCH Timing Adjustment | O | DLDPCH Timing Adjustment 9.2.2.10A | YES | ignore | ||
| >E-DCH FDD Information Response | O | 9.2.2.13Db | YES | ignore | ||
| Criticality Diagnostics | O | 9.2.1.17 | YES | ignore | ||
| HS-DSCH Serving Cell Change Information Response | O | 9.2.2.18Ec | YES | Ignore | ||
| E-DCH Serving Cell Change Information Response | O | 9.2.2.18Ed | YES | Ignore |
Table two: RADIO LINK ADDITION RESPONSE message structure
In the last table in cell one row, symbol "〉" the expression major class field, follow symbol "〉closely " symbol "〉" represent this major class field subordinate's secondary field, in like manner, symbol "〉" three grades of fields of the corresponding secondary field of expression.
For CHOICE Diversity Indication major class field, two secondary fields of Combining and NonCombining are arranged, two secondary fields have RL ID and three grades of fields of DCH InformationResponse respectively under its command.Wherein the Combining field is used to tell RNC softer combination situation, NonCombining be used to tell RNC DCH newly-built/newly-increased situation;
For E-DCH FDD Information Response major class field, be used to tell RNC 310UE340 will set up link and on this link, carry out the E-DCH business.
That is to say, the present invention generates CHOICE Diversity Indication major class field and the E-DCHFDD Information Response major class field that adheres to different major class fields separately simultaneously in a RADIO LINK ADDITION RESPONSE message, can tell RNC 310 softer merging simultaneously and set up the information of E-DCH business, avoid in CHOICE Diversity Indication major class field, to select a kind of secondary field in the prior art and cause in softer merging and to set up and select one in professional two information of E-DCH, in any case and cause CHOICE Diversity Indication field to be filled in all causing the communication failure problem.Described communication failure is:
When carrying out step 404, along with the continuation of UE 340 is moved and is positioned at the stage 4, because the signal of UE 340 under CELL0 and CELL1 is very faint, so RNC 310 can deletion RL0 and RL1, and UE 340 has only this wireless links of RL2.This moment is according to the method for prior art, the relation that CHOICEDiversity Indication field can only alternative in the table one, then E-DCH FDD InformationResponse information can't be notified RNC, is in professional can the interruption of HSUPA of corresponding E-DCH of 4 o'clock stages at UE 340; When CHOICE Diversity Indication field is Non Combining, then NODEB322 can't fill in DCH Information Response cell and cause NODEB 322 to increase the RL2 failure, then be in 4 o'clock stages at UE 340, UE 340 does not have a wireless links, and the business of whole UE 340 is interrupted.
Obviously, the present invention has solved prior art causes occurring communication failure owing to the information that can't inform RNC 310 softer merging and newly-increased E-DCH business simultaneously problem well, guarantee that UE 340 keeps communicating by letter normal and stablizing when the different CELL of 321,322 of different N ODEB move switching.
The applicable scene of the present invention is not limited to above-mentioned execution mode, every needs carry out softer merging and also need report RNC set up/situation of newly-increased related service under, all be suitable for the present invention, avoid the generation of above-mentioned technical problem.
The described softer pooling information of DCH of different major class fields and the form that increase E-DCH business information also is not limited only to above-mentioned table two of adhering to separately, can also be: increase E-DCH business information content be that the CHOICE Diversity Indication major class field of Combining represents that the softer pooling information of DCH is represented with E-DCH FDD Information Response major class field.And E-DCH FDDInformation Response and the relative position of CHOICE Diversity Indication major class field in table can be provided with arbitrarily.
The present invention also provides a kind of mobile communication system, comprises UE 340, NODEB321, and 322 and RNC310.Described NODEB 322 comprises handover information generation unit 323.Described UE 340 carries out mobile communication and switches between two different NODEB 321,322, described two NODEB 321,322 are controlled by RNC310.NODEB has CELL0 321 times, and NODEB has CELL1 and CELL2 322 times.Wherein CELL0 and CELL2 support DCH and E-DCH business; CELL1 only supports the DCH business.
322 times existing first link RL1 of DCH business that only carry of described NODEB.Described UE 340 sets up RL1 at NODEB 322 times and CELL1 when carrying out DCH and E-DCH business under the CELL0 of NODEB 321.
When the second link RL2 of newly-increased again carrying DCH of the described NODEB 322 of RNC 310 requests and E-DCH business, the DC H business of 322 couples of RL1 of described NODEB and RL2 is carried out softer merging.Described NODEB 322 is by the information of 323 notice RNC 310 described softer merging of handover information generation unit and newly-increased E-DCH business.
On concrete, it is CHOICEDiversity Indication field and the E-DCH FDD Information Response field of Combining that handover information generation unit 323 is used for generating the content that is both major class field in RADIO LINK ADDITIONRESPONSE message, sends subsequently and carries the RADIO LINK ADDITIONRESPONSE message informing RNC 310 of softer pooling information of DCH and newly-increased E-DCH business information.
Described RADIO LINK ADDITION RESPONSE message structure can be consulted above-mentioned table two.In table two cell one row, symbol "〉" the expression major class field, follow symbol "〉closely " symbol "〉" represent this major class field subordinate's secondary field, in like manner, symbol "〉" three grades of fields of the corresponding secondary field of expression.Table two comprises CHOICE Diversity Indication major class field and E-DCH FDDInformation Response major class field.
For CHOICE Diversity Indication major class field, two secondary fields of Combining and NonCombining are arranged, two secondary fields have RL ID and three grades of fields of DCH InformationResponse respectively under its command.Wherein the Combining field is used to tell RNC 310 softer combination situations, Non Combining be used to tell RNC 310DCH newly-built/newly-increased situation; Because need tell RNC310 softer combination situation, select the Combining field here.
For E-DCH FDD Information Response major class field, then be used to tell RNC 310UE 340 will increase link and on this link, carry out the E-DCH business.
From as can be seen above, the present invention generates CHOICEDiversity Indication major class field and the E-DCH FDD Information Response major class field that adheres to different major class fields separately simultaneously by handover information generation unit 323 in a RADIO LINKADDITION RESPONSE message, and tell RNC 310 softer merging and increase the information of E-DCH business, avoid in CHOICE Diversity Indication major class field, to select a kind of secondary field in the prior art and cause in softer merging and to increase in professional two information of E-DCH and select one, in any case and the CHOICEDiversity Indication field that causes is filled in and all caused communication failure condition.
That is to say, move and be positioned at the stage 4 that UE 340 still can guarantee communicate by letter normally when deletion RL0 is with RL1 under the very faint situation of signal under CELL0 and CELL1, makes mobile handover success in the continuation of UE 340.Because the present invention successfully notifies RNC 310 softer merging simultaneously and increases the information of E-DCH business, neither can cause HSUPA professional can interrupt also can not causing increase the RL2 failure, therefore successfully keep can proper communication RL2.
More than a kind of mobile communication switching method provided by the present invention and system thereof are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. the method that mobile communication is switched is characterized in that, comprises step,
Having second link that increases carrying DCH and enhanced uplink dedicated channel E-DCH business on first link basis of only carrying special uplink channel DCH business;
DCH business to described first link and second link is carried out softer merging;
Notify radio network controller by in RADIO LINK ADDITION RESPONSE message, carrying the softer pooling information of described DCH that adheres to different major class fields separately simultaneously and increasing the E-DCH business information.
2. the method that mobile communication according to claim 1 is switched, it is characterized in that, the CHOICE Diversity Indication major class field that the softer pooling information content of described DCH is Combining represents that described increase E-DCH business information is represented with E-DCH FDD Information Response major class field.
3. the method that mobile communication according to claim 1 and 2 is switched, it is characterized in that, describedly also comprising step before the second link step that increases carrying DCH and E-DCH business on existing first link basis of only carrying the DCH business: with the base station of first link and the second link different base station under carry out DCH and E-DCH business.
4. the method that mobile communication according to claim 1 and 2 is switched is characterized in that, comprises step behind second link that increases carrying DCH and E-DCH business and during the first link signal undercapacity: delete first link.
5. the equipment that switches of a mobile communication comprises:
Having the unit that increases by second link of carrying DCH and enhanced uplink dedicated channel E-DCH business on first link basis of only carrying special uplink channel DCH business;
The unit that the DCH business of described first link and second link is carried out softer merging;
By in RADIO LINK ADDITION RESPONSE message, carrying the softer pooling information of described DCH that adheres to different major class fields separately simultaneously and increasing the unit that the E-DCH business information is notified radio network controller.
6. equipment according to claim 5 is characterized in that, the described softer pooling information of described DCH and the increase E-DCH business information that adhere to different major class fields separately of carrying simultaneously in RADIO LINKADDITION RESPONSE message comprises:
The CHOICE DiversityIndication major class field that the softer pooling information content of described DCH is Combining represents that described increase E-DCH business information is represented with E-DCH FDD InformationResponse major class field.
7. according to claim 5 or 6 described equipment, it is characterized in that described first link and second link lay respectively at first sub-district and second sub-district, the DCH business is only supported in described first sub-district, and DCH and E-DCH business are supported in described second sub-district.
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| CN2006101121884A CN101128037B (en) | 2006-08-17 | 2006-08-17 | Switching method and system for mobile communication |
| PCT/CN2007/070466 WO2008019625A1 (en) | 2006-08-17 | 2007-08-14 | A mobile communication handover method, system and base station |
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| CN2006101121884A CN101128037B (en) | 2006-08-17 | 2006-08-17 | Switching method and system for mobile communication |
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| GB0418281D0 (en) * | 2004-08-16 | 2004-09-15 | Nokia Corp | Communication system |
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| CN1533198A (en) * | 2003-03-24 | 2004-09-29 | ���ǵ�����ʽ���� | System and method for mobile terminal retransmitting up-link data in soft switching area |
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|---|---|
| WO2008019625A1 (en) | 2008-02-21 |
| CN101128037A (en) | 2008-02-20 |
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