CN101048011B - Method for switchover of packet switching service at downlink double/multi-load transmission - Google Patents
Method for switchover of packet switching service at downlink double/multi-load transmission Download PDFInfo
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- CN101048011B CN101048011B CN2006100865191A CN200610086519A CN101048011B CN 101048011 B CN101048011 B CN 101048011B CN 2006100865191 A CN2006100865191 A CN 2006100865191A CN 200610086519 A CN200610086519 A CN 200610086519A CN 101048011 B CN101048011 B CN 101048011B
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Abstract
The invention discloses a method for switching the packet switching business of downlink double / multi-contained transmission. The core idea is that the network controls the mobile to shift from downlink double / multi-contained transmission to single-contained transmission before switching operation, and then, it switches for packet switching business in the mode of single packet switching. The instructions or the hidden requirements can ensure the network to control the mobile to leave downlink double / multi-contained transmission.
Description
Technical field
The present invention relates to communication technique field, be specifically related to carry out the professional method of switching of packet switching (PS, Packet Switching).
Background technology
Along with the raising of user, proposed in GPRS, to carry out the notion that switch in the PS territory in the existing standard to the real-time requirement of GPRS (GPRS, General Packet Radio Service).When the current base station system that belongs to of travelling carriage (MS, Mobile Station) (BSS, Base Station System) occur to cover not as good as or when loading high situation, network can switch to target BS S by source BSS with MS.
In existing gprs system, MS can only be an enterprising line data transmission of carrier frequency.With present enhancing GPRS (EGPRS, Enhanced GPRS) system is example, and the theoretical maximum velocity of 8 time slots is 473.6kbps on the single carrier frequency.Along with the development of data services, such speed can not satisfy user's demand, and therefore, how tame communication manufacturer has proposed a new scheme: descending two/the overloading transmission, that is, make MS carry out descending reception simultaneously at more than one carrier frequency.Can significantly improve the downlink transfer speed of MS like this.Be example with present EGPRS still, if MS receives on two carrier frequency simultaneously, so theoretical speed can reach the requirement of third generation mobile (3G, 3rd Generation) system to speed near 1M.After introducing two/overloading transmission technology, the life cycle that has prolonged existing gprs system greatly.Yet about the switching flow in PS territory, only standard has been carried out in the switching on the single carrier frequency in the existing standard, after introducing descending pair/overloading transmission technology, how to have carried out PS and switch, the normalized illustration that adapts has not been arranged yet.
Summary of the invention
The object of the present invention is to provide and under the transmission of descending pair/overloading, to carry out the method that packet switching service is switched easily.
To achieve the object of the present invention, a kind of technical scheme of being taked is: the method that packet switching service is switched is carried out in a kind of descending pair/overloading transmission down, comprise: source base station system indication travelling carriage turns to transmission in single year by the transmission of descending pair/overloading, and described descending pair/overloading transmission is to make travelling carriage surpass the transmission means of carrying out descending reception simultaneously on the carrier frequency; Source base station system validation travelling carriage changes transmission in single year over to; Source base station system indication travelling carriage carries out packet switching service in single year mode and switches; Travelling carriage inserts in the target BS system in single year mode.
Also can comprise the reciprocal process of switching preparation between source base station system and target BS system in the above-mentioned changing method, comprise: the source base station system sends handoff request to the target BS system; Transfer resource is carried for the travelling carriage schedule of apportionment in the target BS system; The source base station system obtains the resource allocation affirmation that the target BS system returns.This reciprocal process can be carried out before source base station system indication travelling carriage turns to transmission in single year by the transmission of descending pair/overloading; Also can be after source base station system validation travelling carriage change transmission in single year over to, and carry out carrying out before packet switching service is switched in single year mode at source base station system indication travelling carriage.
The adoptable another kind of technical scheme of the present invention is: the method that packet switching service is switched is carried out in a kind of descending pair/overloading transmission down, comprising: the source base station system sends handoff request to the target BS system; Transfer resource is carried for the travelling carriage schedule of apportionment in the target BS system; The source base station system obtains the resource allocation affirmation that the target BS system returns; The source base station system issues switching command to travelling carriage, and the list that described switching command carries described target BS system carries resource allocation; Travelling carriage leaves the descending two/overloading transmission of source base station system according to described switching command, insert in the target BS system in single year mode, described descending pair/overloading transmission is to make travelling carriage surpass the transmission means of carrying out descending reception simultaneously on the carrier frequency.
In the said method, travelling carriage inserts in the target BS system can adopt such method: travelling carriage initiates to insert pulse to the target BS system; The Timing Advance that target BS notifications travelling carriage should use; After travelling carriage was received the message of lead instruction time, beginning was carried out transfer of data in the target BS system.
In the said method, the target BS system can comprise that for the travelling carriage schedule of apportionment carries transfer resource the target BS system is that travelling carriage is set up related context and distributing radio resource.
Adopt technique scheme, beneficial technical effects of the present invention is:
1) the present invention adopts before travelling carriage carries out handover operation, the network controls travelling carriage leaves the transmission of descending pair/overloading and changes transmission in single year over to, and the method for carrying out the Packet Service switching at single year under the mode, for introduce descending two/Packet Service after the overloading transmission technology switches provides executable standard, and the complex process of having avoided a plurality of carrier frequency to switch simultaneously, the success that helps switching.
2) the invention provides two kinds of changing methods, respectively indication by dominance or recessive requirement make travelling carriage leave descending two/the overloading transmission changes transmission in single year over to, can select flexibly according to the upgrading situation of concrete network.
Description of drawings
Also the present invention is described in further detail in conjunction with the accompanying drawings below by embodiment.
Fig. 1 is the schematic flow sheet of the embodiment of the invention one PS business switch method;
Fig. 2 is the signaling process schematic diagram of embodiment one method;
Fig. 3 is the schematic flow sheet of the embodiment of the invention two PS business switch methods;
Fig. 4 is the signaling process schematic diagram of embodiment two methods;
Fig. 5 is the schematic flow sheet of the embodiment of the invention three PS business switch methods;
Fig. 6 is the signaling process schematic diagram of embodiment three methods.
Embodiment
The invention provides the transmission of descending pair/overloading and carry out the professional method of switching of PS down, its core concept is before MS carries out handover operation, and network controls MS leaves the transmission of descending pair/overloading and changes transmission in single year over to, carries out PS again at single year under the mode and switches.Network controls MS leaves the transmission of descending pair/overloading and can realize by the indication of dominance, for example issues message such as time slot heavily distributes to MS; Also can realize, for example directly send switching command, and carry resource allocation, MS is inserted at target BS S according to single year mode etc. automatically by the list that in switching command, carries target BS S to MS by the requirement of recessiveness.Below respectively it is elaborated.
The professional method of switching of PS is carried out in embodiment one, a kind of descending pair/overloading transmission down, and flow process comprises as shown in Figure 1:
A1) source BSS sends handoff request to target BS S; This handoff request indication has MS need be cut into target BS S;
A2) target BS S is that MS sets up the BSS context according to handoff request, and distributes unlimited resources, and this place assigned radio resource is the Radio Resource of single carrier frequency;
A3) source BSS obtains the affirmation message that target BS S returns, description of step A2) finish;
A4) source BSS is to the MS transmitting order to lower levels, and instruct MS is left the transmission of descending pair/overloading and turned to transmission in single year;
Because the transmission of descending pair/overloading is based on the technology that existing descending list carries transmission evolution, the MS acquiescence of supporting the transmission of descending pair/overloading is to support descending list to carry transmission, therefore can make MS in two/overloading and change between single year according to the mode that this technology provides, for example, adopt instruct MS such as downstream assigned message, the heavy assignment messages of time slot to enter corresponding transmission mode;
A5) source BSS obtains the affirmation information that MS returns, and illustrates that MS has changed descending list over to and carried transmission;
A6) source BSS issues switching command to MS, and instruct MS begins PS and switches;
A7) MS initiates to insert pulse to target BS S;
A8) after target BS S receives the access pulse of MS, the Timing Advance that notice MS should use;
A9) after MS received the message of lead instruction time, beginning was carried out transfer of data at target BS S.
When target BS S receives first correct Radio Link control/media access control layer (RLC/MAC, Radio Link Control/Media Access Control) data block from MS, can judge handover success.
In the present embodiment, as the steps A 1 of switching set-up procedure)～A3), and MS changes the handoff procedure steps A 6 of Dan Zaihou over to)～A9) all can adopt the mode similar to carry out, to realize that existing standard is carried out minimum modification carries out the present invention to the respective process of switching in single year in the existing standard.
The concrete signaling realization flow of said method as shown in Figure 2, Serving GPRS Support Node (SGSN among Fig. 2, Serving GPRS Support Node) is responsible between source BSS and target BS S, carrying out the forwarding of signaling, that is, to send be that switching by SGSN realizes to the source BSS signaling of carrying out to source BSS to target BS S and target BS S.SGSN also is responsible for being routed to target BS S at the packet that switching is initiated the back to be sent by GGSN (GGSN, Gataway GPRS Support Node); Signaling process among Fig. 2 is:
A1) source BSS determines to carry out the PS switching;
A2) source BSS sends handoff request to SGSN;
A3) SGSN is transmitted to target BS S with handoff request;
A4) target BS S is that MS sets up the BSS context, carries out unlimited resources and distributes;
A5) target BS S sends Handover Request Acknowledge to SGSN;
A6) SGSN packet that GGSN is sent is routed to target BS S;
A7) SGSN is transmitted to source BSS with Handover Request Acknowledge;
A8) source BSS to MS issue the heavy assignment messages instruct MS of downstream assigned message, time slot by descending two/the overloading transmission turns to transmission in single year;
A9) MS returns to source BSS and changes single year acknowledge over to;
A10) source BSS issues switching command to MS;
A11) MS initiates to insert pulse to target BS S;
A12) target BS S returns the Timing Advance that should use to MS;
A13) MS is updated to SGSN with current location information;
A14) target BS S sends handoff completion message to SGSN;
A15) MS carries out transfer of data at target BS S.
The professional method of switching of PS is carried out in embodiment two, a kind of descending pair/overloading transmission down, and flow process comprises as shown in Figure 3:
B1) source BSS is to the MS transmitting order to lower levels that is in descending pair/overloading transmission mode, and instruct MS is left the transmission of descending pair/overloading and turned to transmission in single year;
B2) source BSS obtains the affirmation information that MS returns, and illustrates that MS has changed descending list over to and carried transmission;
B3) source BSS sends handoff request to target BS S; This handoff request indication has MS need be cut into target BS S;
B4) target BS S is that MS sets up the BSS context according to handoff request, and distributes unlimited resources, and this place assigned radio resource is the Radio Resource of single carrier frequency;
B5) source BSS obtains the affirmation message that target BS S returns, description of step B4) finish;
B6) source BSS issues switching command to MS, and instruct MS begins PS and switches;
B7) MS initiates to insert pulse to target BS S;
B8) after target BS S receives the access pulse of MS, the Timing Advance that notice MS should use;
B9) after MS received the message of lead instruction time, beginning was carried out transfer of data at target BS S.
When target BS S when MS receives first correct RLC/MAC data block, can judge handover success.
The difference of present embodiment and embodiment one is that when determining that need carry out PS switches, source BSS adopts to change MS over to single year transmission mode from two/overloading transmission mode earlier, reinforms the method that target BS S switches preparation, can select flexibly as the case may be.
The concrete signaling realization flow of said method as shown in Figure 4, and is identical among the effect of SGSN and the embodiment one among Fig. 4; Signaling process among Fig. 4 is:
B1) source BSS determines to carry out the PS switching;
B2) source BSS to MS issue the heavy assignment messages instruct MS of downstream assigned message, time slot by descending two/the overloading transmission turns to transmission in single year;
B3) MS returns to source BSS and changes single year acknowledge over to;
B4) source BSS sends handoff request to SGSN;
B5) SGSN is transmitted to target BS S with handoff request;
B6) target BS S is that MS sets up the BSS context, carries out unlimited resources and distributes;
B7) target BS S sends Handover Request Acknowledge to SGSN;
B8) SGSN packet that GGSN is sent is routed to target BS S;
B9) SGSN is transmitted to source BSS with Handover Request Acknowledge;
B10) source BSS issues switching command to MS;
B11) MS initiates to insert pulse to target BS S;
B12) target BS S returns the Timing Advance that should use to MS;
B13) MS is updated to SGSN with current location information;
B14) target BS S sends handoff completion message to SGSN;
B15) MS carries out transfer of data at target BS S.
The professional method of switching of PS is carried out in embodiment three, a kind of descending pair/overloading transmission down, and flow process comprises as shown in Figure 5:
C1) source BSS sends handoff request to target BS S; This handoff request indication has MS need be cut into target BS S;
C2) target BS S is that MS sets up the BSS context according to handoff request, and distributes unlimited resources, and this place assigned radio resource is the Radio Resource of single carrier frequency;
C3) source BSS obtains the affirmation message that target BS S returns, description of step C2) finish;
C4) source BSS issues switching command to MS, and instruct MS begins PS and switches; Carrying target BS S in the switching command herein and only distributing the description of single year resource for MS;
C5) MS leaves descending two/overloading transmission of source BSS, initiates to insert pulse to target BS S;
C6) after target BS S receives the access pulse of MS, the Timing Advance that notice MS should use;
C7) after MS received the message of lead instruction time, beginning was carried out transfer of data at target BS S.
When target BS S when MS receives first correct RLC/MAC data block, can judge handover success.
The difference of present embodiment and aforementioned two embodiment is, in embodiment one and embodiment two, network side all adopts the order of dominance, and for example downstream assigned message, time slot weigh assignment messages etc., and instruct MS changes single year transmission mode over to from two/overloading transmission mode earlier before switching.Present embodiment then is to adopt the recessive mode that requires, and directly instruct MS is switched, but in switching command, target BS S has only distributed single year resource for MS, makes MS insert at target BS S by single year mode automatically.
The concrete signaling realization flow of said method as shown in Figure 6, and is identical among the effect of SGSN and the embodiment one among Fig. 6; Signaling process among Fig. 6 is:
C1) source BSS determines to carry out the PS switching;
C2) source BSS sends handoff request to SGSN;
C3) SGSN is transmitted to target BS S with handoff request;
C4) target BS S is that MS sets up the BSS context, carries out unlimited resources and distributes;
C5) target BS S sends Handover Request Acknowledge to SGSN;
C6) SGSN packet that GGSN is sent is routed to target BS S;
C7) SGSN is transmitted to source BSS with Handover Request Acknowledge;
C8) source BSS issues switching command to MS, is carrying target BS S has only distributed single year resource for MS description in the switching command;
C9) MS leaves descending two/overloading transmission of source BSS, initiates to insert pulse to target BS S;
C10) target BS S returns the Timing Advance that should use to MS;
C11) MS is updated to SGSN with current location information;
C12) target BS S sends handoff completion message to SGSN;
C13) MS carries out transfer of data at target BS S.
More than to provided by the present invention descending two/the overloading transmission carries out the professional method of switching of PS down and is 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 (8)
1. the method that packet switching service is switched is carried out in a descending pair/overloading transmission down, it is characterized in that, comprising:
Source base station system indication travelling carriage turns to transmission in single year by the transmission of descending pair/overloading, and described descending pair/overloading transmission is to make travelling carriage surpass the transmission means of carrying out descending reception simultaneously on the carrier frequency;
Source base station system validation travelling carriage changes transmission in single year over to;
Source base station system indication travelling carriage carries out packet switching service in single year mode and switches;
Travelling carriage inserts in the target BS system in single year mode.
2. the method that packet switching service is switched is carried out in descending pair/overloading transmission according to claim 1 down, it is characterized in that, before source base station system indication travelling carriage turns to transmission in single year by the transmission of descending pair/overloading, also comprises:
The source base station system sends handoff request to the target BS system;
Transfer resource is carried for the travelling carriage schedule of apportionment in the target BS system;
The source base station system obtains the resource allocation affirmation that the target BS system returns.
3. the method that packet switching service is switched is carried out in descending pair/overloading transmission according to claim 1 down, it is characterized in that, after source base station system validation travelling carriage changes transmission in single year over to, and before source base station system indication travelling carriage carries out the packet switching service switching in single year mode, also comprise:
The source base station system sends handoff request to the target BS system;
Transfer resource is carried for the travelling carriage schedule of apportionment in the target BS system;
The source base station system obtains the resource allocation affirmation that the target BS system returns.
4. the method that packet switching service is switched is carried out in any described descending pair/overloading transmission down according to claim 1～3, it is characterized in that described travelling carriage inserts employing in the target BS system:
Travelling carriage initiates to insert pulse to the target BS system;
The Timing Advance that target BS notifications travelling carriage should use;
After travelling carriage was received the message of lead instruction time, beginning was carried out transfer of data in the target BS system.
5. carry out the method that packet switching service is switched down according to claim 2 or 3 described descending pair/overloading transmission, it is characterized in that: described target BS system comprises that for the travelling carriage schedule of apportionment carries transfer resource the target BS system is that travelling carriage is set up related context and distributing radio resource.
6. the method that packet switching service is switched is carried out in a descending pair/overloading transmission down, it is characterized in that, comprising:
The source base station system sends handoff request to the target BS system;
Transfer resource is carried for the travelling carriage schedule of apportionment in the target BS system;
The source base station system obtains the resource allocation affirmation that the target BS system returns;
The source base station system issues switching command to travelling carriage, and the list that described switching command carries described target BS system carries resource allocation;
Travelling carriage leaves the descending two/overloading transmission of source base station system according to described switching command, insert in the target BS system in single year mode, described descending pair/overloading transmission is to make travelling carriage surpass the transmission means of carrying out descending reception simultaneously on the carrier frequency.
7. the method that packet switching service is switched is carried out in descending pair/overloading transmission according to claim 6 down, it is characterized in that described travelling carriage inserts employing in the target BS system:
Travelling carriage initiates to insert pulse to the target BS system;
The Timing Advance that target BS notifications travelling carriage should use;
After travelling carriage was received the message of lead instruction time, beginning was carried out transfer of data in the target BS system.
8. carry out the method that packet switching service is switched down according to claim 6 or 7 described descending pair/overloading transmission, it is characterized in that: described target BS system comprises that for the travelling carriage schedule of apportionment carries transfer resource the target BS system is that travelling carriage is set up related context and distributing radio resource.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100865191A CN101048011B (en) | 2006-06-20 | 2006-06-20 | Method for switchover of packet switching service at downlink double/multi-load transmission |
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| CN2006100865191A CN101048011B (en) | 2006-06-20 | 2006-06-20 | Method for switchover of packet switching service at downlink double/multi-load transmission |
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| CN101048011B true CN101048011B (en) | 2011-01-05 |
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| CN101668306B (en) * | 2008-09-04 | 2013-06-05 | 华为技术有限公司 | Method, system and device for switching based on user equipment |
| CN101826907B (en) * | 2009-03-02 | 2014-03-19 | 中兴通讯股份有限公司南京分公司 | Multi-access mode notification method and transmitting device for wireless link information transmission |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198054A (en) * | 1997-04-15 | 1998-11-04 | 松下电器产业株式会社 | Spread spectrum communication system |
| CN1435069A (en) * | 2000-04-07 | 2003-08-06 | 高通股份有限公司 | Handoff method for digital base stations with different spectral capabilities |
| CN1717951A (en) * | 2002-12-31 | 2006-01-04 | 艾利森电话股份有限公司 | Resource granting in multi-carrier CDMA systems |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198054A (en) * | 1997-04-15 | 1998-11-04 | 松下电器产业株式会社 | Spread spectrum communication system |
| CN1435069A (en) * | 2000-04-07 | 2003-08-06 | 高通股份有限公司 | Handoff method for digital base stations with different spectral capabilities |
| CN1717951A (en) * | 2002-12-31 | 2006-01-04 | 艾利森电话股份有限公司 | Resource granting in multi-carrier CDMA systems |
Non-Patent Citations (1)
| Title |
|---|
| CN 1717951 A,摘要、段落4，8，36，45－51、图5. |
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