CN101547446B - Method for switching in and out of multi-cell synergetic relay station and method for trans-regional roaming - Google Patents
Method for switching in and out of multi-cell synergetic relay station and method for trans-regional roaming Download PDFInfo
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- CN101547446B CN101547446B CN2008100841976A CN200810084197A CN101547446B CN 101547446 B CN101547446 B CN 101547446B CN 2008100841976 A CN2008100841976 A CN 2008100841976A CN 200810084197 A CN200810084197 A CN 200810084197A CN 101547446 B CN101547446 B CN 101547446B
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Abstract
The invention discloses a method for switching in a multi-cell synergetic relay station, a method for trans-regional roaming and a method for switching out of the multi-cell synergetic relay station, which relate to the field of network interconnection and are invented for solving the problem that in the prior art, a mobile terminal in a multi-cell synergetic relay system has poor communication quality caused by more switching frequencies and long switching time. The method, provided by the embodiment of the invention, for switching in the multi-cell synergetic relay station of which the coverage area has overlapped area with the coverage areas of at least two base stations, comprises the following steps that: the mobile terminal moves to the coverage area of the multi-cell synergetic relay station from the coverage area of a service base station; and the mobile terminal allows the service base station to provide services for the mobile terminal continuously through the multi-cell synergetic relay station. By adopting the method, the switching frequencies of the base stations in the multi-cell synergetic relay system can be reduced and the switching time can be shortened so as to improve the communication quality of the mobile terminal.
Description
Technical field
The present invention relates to field of network interconnection technology, particularly cut, cut out the method for multi-cell coordination relay station and the method for trans-regional roaming.
Background technology
Along with the sustainable growth of wireless traffic demand, wireless access system is also increasingly high to the demand of bandwidth.And the limited wireless frequency spectrum is difficult to satisfy ever-increasing bandwidth demand, therefore requires to improve spectrum utilization efficiency as far as possible.In the prior art, Radio Access Network mostly is based on honeycomb, during and the frequency utilization efficient of having relatively high expectations very big when system bandwidth, generally all adopts the mode of identical networking.But interference effect is serious in the adjacent area of cell edge, has reduced spectrum utilization efficiency.Therefore, disturb the adjacent area becomes the bottleneck that improves spectrum utilization efficiency and cell capacity.
The multi-cell coordination relaying is the novel network configuration of a kind of combination MIMO (MIMO technique) and Relay (relaying) technology.In this network configuration, disposed the relay station of many antennas; Described relay station not only can be assisted the elimination of adjacent area interference and the lifting of cell edge spectrum utilization efficiency; Can also promote up network access performance, Extended Cell covers.
The multi-cell coordination relay station is in two or more sub-district intersections, can be two or more base station services, that is:
In down link, the multi-cell coordination relay station receives the information from a plurality of BS (base station), and these information are transmitted to the one or more MS (portable terminal) in one or more sub-districts;
In up link, the multi-cell coordination relay station receives the information from the one or more MS in one or more sub-districts, and these information are transmitted to a plurality of BS.
In existing multi-cell coordination relay system, many sub-districts relay station has a plurality of serving BS broadcasts, how to guarantee that the communication quality of MS when multi-cell coordination relaying coverage moves is the current problem that needs solution.When mobile frequent of MS on a plurality of BS border, frequently to switch and information interaction between serving BS broadcasts and the target BS, thereby make switching times many, switching time is long, and then causes the communication quality of MS to descend.
Summary of the invention
On the one hand, the embodiment of the invention provides a kind of method of cutting the multi-cell coordination relay station.The switching times that has solved between the base station in the multi-cell coordination relay system is many, and switching time is long, the ropy problem of communications of Mobile Terminals.
The method of embodiment of the invention incision multi-cell coordination relay station, the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; Comprise:
Portable terminal moves to the multi-cell coordination relay station area of coverage from the serving BS area of coverage; Said serving BS is that said multi-cell coordination relay station provides one of serving base station;
Said portable terminal continues as it through the multi-cell coordination relay station by said serving BS service is provided.
In the embodiment of the invention, the described multi-cell coordination relay station area of coverage overlaps with the borderline region of a plurality of base station overlay areas, and each base station can provide service for the multi-cell coordination relay station; Before portable terminal is being cut the multi-cell coordination relay station; If for this portable terminal provides the serving BS of service is one of serving BS of multi-cell coordination relay station; Then after portable terminal incision multi-cell coordination relay station, this serving BS continues as portable terminal service is provided.
On the other hand, the embodiment of the invention provides a kind of method of trans-regional roaming.
The method of embodiment of the invention trans-regional roaming, said trans-regional roaming occur in the multi-cell coordination relay station area of coverage, and the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; Said method comprises:
At the said multi-cell coordination relay station area of coverage, portable terminal roams into other base station overlay areas from the serving BS area of coverage;
Serving BS continues as portable terminal through the multi-cell coordination relay station service is provided, and said serving BS is that said multi-cell coordination relay station provides one of serving base station.
In the embodiment of the invention, the described multi-cell coordination relay station area of coverage overlaps with the borderline region of a plurality of base station overlay areas, and each base station can provide service for the multi-cell coordination relay station; After portable terminal incision multi-cell coordination relay station; As long as portable terminal is in the multi-cell coordination relay station area of coverage; No matter mobile terminal roaming is to the border of which base station overlay area, for it provides the serving BS of service is always behind the incision relay station provides service for portable terminal serving BS.Switching times and switching time between the base station in the multi-cell coordination relay system have compared with prior art been reduced.
On the one hand, the embodiment of the invention provides a kind of method that cuts out the multi-cell coordination relay station again.
The embodiment of the invention cuts out the method for multi-cell coordination relay station, and the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; Serving BS is that portable terminal moves to said multi-cell coordination relay station area of coverage serving BS before; Said method comprises:
Portable terminal shifts out from the multi-cell coordination relay station area of coverage;
Judge whether target BS and serving BS are same base station;
If not same base station, target BS provides service;
If same base station, serving BS provides service.
In the embodiment of the invention, the described multi-cell coordination relay station area of coverage overlaps with the borderline region of a plurality of base station overlay areas, and each base station can provide service for the multi-cell coordination relay station; When portable terminal when the multi-cell coordination relay station cuts out, if target BS is identical with the serving BS of this portable terminal, then portable terminal is after the multi-cell coordination relay station cuts out, this serving BS continues as portable terminal service is provided; If the serving BS of target BS and this portable terminal is inequality, then portable terminal switches to target BS with serving BS after the multi-cell coordination relay station cuts out, and target BS is that portable terminal provides service.
Description of drawings
The method flow diagram that is cut into the multi-cell coordination relay station that Fig. 1 provides for the embodiment of the invention;
Fig. 2 provides the service step flow chart for said serving BS continues as portable terminal through the multi-cell coordination relay station;
Fig. 3 is MS motion track sketch map in the collaborative relay system of the embodiment of the invention;
Fig. 4 does not have under the situation of negotiation at BS1 and RS, and portable terminal is cut into multi-cell coordination relay station coverage from the base station, the method flow diagram of base station intra takes place;
Fig. 5 is under the situation of holding consultation at BS1 and RS, and portable terminal is cut into multi-cell coordination relay station coverage from the base station, the method flow diagram of generation base station intra;
Fig. 6 is under the situation of holding consultation at BS1 and RS, and portable terminal is cut into multi-cell coordination relay station coverage from the base station, the another kind of method flow diagram of generation base station intra;
The method flow diagram of a kind of trans-regional roaming that Fig. 7 provides for the embodiment of the invention;
A kind of method flow diagram that cuts out the multi-cell coordination relay station that Fig. 8 provides for the embodiment of the invention;
Fig. 9 is that said judgement target BS and serving BS are same base station, and serving BS provides the flow chart of steps of service;
Figure 10 is that portable terminal cuts out from the multi-cell coordination relay station under BS1 and not negotiation situation of RS, if target BS is identical with serving BS, the flow chart of base station intra takes place portable terminal;
Figure 11 is for to have under the negotiation situation at BS1 and RS, and portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, base station intra flow chart takes place portable terminal;
Figure 12 is for to have under the negotiation situation at BS1 and RS, and portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, the flow chart of another kind of base station intra takes place portable terminal;
Figure 13 is that said judgement target BS and serving BS are different base station, and target BS provides the flow chart of steps of service;
Figure 14 is that portable terminal cuts out from the multi-cell coordination relay station under BS1 and not negotiation situation of RS, if target BS is different with serving BS, and the flow chart that switches between portable terminal generation base station;
Figure 15 is for to have under the negotiation situation at BS1 and RS, and portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, and the flow chart that switches between portable terminal generation base station;
Figure 16 is for to have under the negotiation situation at BS1 and RS, and portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, the flow chart that switches between another kind of base station takes place portable terminal.
Embodiment
For solve between the base station in the prior art multi-cell coordination relay system switch many, the problem that switching time is long.Embodiments of the invention provide the method for a kind of method of cutting the multi-cell coordination relay station, trans-regional roaming and cut out the method for multi-cell coordination relay station, below in conjunction with accompanying drawing and embodiment the present invention are elaborated.
A kind of method flow diagram of cutting the multi-cell coordination relay station as shown in Figure 1, that the embodiment of the invention provides; , the method for embodiment of the invention incision multi-cell coordination relay station comprises:
S101: portable terminal moves to the multi-cell coordination relay station area of coverage from the serving BS area of coverage;
S102: said portable terminal continues as it through the multi-cell coordination relay station by said serving BS service is provided.
Below in conjunction with accompanying drawing above-mentioned step is carried out detailed explanation:
As shown in Figure 2, said portable terminal continues as it through the multi-cell coordination relay station by said serving BS service step is provided, and further comprises:
S201: multi-cell coordination relay station mobile terminal receive inserts request;
S202: the multi-cell coordination relay station allows said portable terminal to insert;
S203: it is the multi-cell coordination relay station that said serving BS writes down said portable terminal access point;
S204: said serving BS continues as portable terminal through the multi-cell coordination relay station service is provided.
Wherein, described access request comprises: insert request code, insert request message;
Said access request code comprises: random access code;
Said access request message comprises: the portable terminal identity code.
As shown in Figure 3, be MS motion track sketch map in the collaborative relay system of the embodiment of the invention; Multi-cell coordination relay station RS is in base station BS 1, BS2 and BS3 intersection, and the serving BS of RS is base station BS 1, BS2 and BS3.The dotted line circle is represented the coverage of RS, and solid line is represented the MS motion track.
MS mainly contains three kinds of mobile status: MS and moves into the RS coverage; MS moves in the RS coverage; MS moves out from the RS coverage.Below in conjunction with accompanying drawing three kinds of mobile statuss are elaborated:
When MS moved into the RS coverage, if the serving BS broadcasts of MS is one of serving BS broadcasts of RS, the serving BS broadcasts of MS did not change so, and the BS intra only takes place;
When MS moved in the RS coverage, the serving BS broadcasts of MS did not change;
When MS shifts out from the RS coverage, enter into certain base station overlay area, if the serving BS broadcasts of this base station overlay area is not the current serving BS broadcasts of MS, then MS takes place to switch between BS; Otherwise the BS intra only takes place in MS.
If the current position 1 that is in of MS, its access point and serving BS broadcasts all are BS1.
If MS moves by track 1-2-3-5-6, the serving BS broadcasts of MS remains BS1; 1 moves to position 2 from the position, and the BS intra takes place MS; MS 2,3 and 5 moves in the position, does not switch; 5 move to position 6 from the position, and the BS intra takes place MS.
If MS moves by track 1-2-3-4,1 to the position 2, the BS intra takes place to MS in MS from the position; 23 do not switch to the position from the position; Have only as MS 3 to move to position 4 from the position, MS enters into the BS2 coverage from the RS coverage, and MS takes place to switch between BS, and the serving BS broadcasts of MS becomes BS2 from BS1.
Switching is with the difference of BS intra between the above-mentioned BS that mentions: when MS is linked into network, can relevant contextual information be kept on the serving BS broadcasts; Contextual information comprises: the basic capacity of the log-on message of one or more MS, MS and BS cipher key shared and MS.When taking place to switch between BS, for the quality that guarantees to communicate by letter, the terminal context should be delivered to target BS from serving BS broadcasts.If interface is arranged between the BS, direct interactive terminal contextual information between two BS; If there is not interface between the BS, the terminal contextual information will pass through other equipment transfers.The transmission of terminal contextual information can not take place in the BS intra, the just simple access-in point information of revising.In the prior art, because MS frequent moving between two BS, MS carries out switching between frequent BS, thereby can produce ping-pong, makes MS communication quality variation; And through adopting method provided by the invention, when MS moves in the multi-cell coordination relay station area of coverage, need not carry out switching between BS, thereby reduce the switching times between BS, eliminate ping-pong, thereby improved the communication quality of MS.
As shown in Figure 4, do not have under the situation of negotiation at BS1 and RS, portable terminal is cut into multi-cell coordination relay station coverage from the base station, the method flow diagram of base station intra takes place;
The serving BS of portable terminal is a base station BS 1, does not have under the situation of negotiation at BS1 and RS, and portable terminal is cut into multi-cell coordination relay station coverage from base station BS 1, and the method for base station intra takes place, and comprising:
1, MS sends to RS and inserts request code, and the send mode of this message is that MS sends the random access code that is used to switch at the RS RACH;
2, the access request code of RS response MS;
3, MS sends to RS and inserts request message, comprises the MS identity code in this message at least;
4, RS transmits to BS1 and inserts request message, comprises the MS identity code in this message at least;
5, BS1 authentication MS identity, and authentication result fed back to RS;
6, RS inserts the request message response, comprises the information that RS allows MS to insert in this message at least.So far, the access point of BS1 and this MS of RS record is RS, and BS continues as MS through RS service is provided.
Insert in the process of RS at MS, MS can inform that RS is its BS that service is provided through inserting request code; Described access request code carries out the random access code that scrambling forms for the BS ID with serving BS broadcasts; RS receives descrambling behind this access request code, identify the serving BS broadcasts that service is provided for portable terminal, thereby serving BS broadcasts can be that MS provides service through RS; MS can also inform that RS is its ID that serving BS broadcasts of service is provided through inserting request message, and concrete way can be in inserting request message, to carry a field, utilizes this field to carry the BS ID of the serving BS broadcasts of MS; RS identifies the serving BS broadcasts that service is provided for MS after receiving this access request message, thereby serving BS broadcasts can be that MS provides service through RS.
As shown in Figure 5, under the situation that BS1 and RS hold consultation, portable terminal is cut into multi-cell coordination relay station coverage from base station BS 1, and the method flow diagram of base station intra takes place;
Under the situation that BS1 and RS hold consultation, portable terminal is cut into multi-cell coordination relay station coverage from base station BS 1, and the method for base station intra takes place, and comprising:
1, RS receives the association request message that BS1 sends, and the effect request RS of this message distributes private resource;
2, RS sends related response message and gives BS1; Described related response message comprises: RS is that MS distributes private resource, and this resource is as the usefulness of the quick switching of MS;
3, RS feeds back to MS with private resource through BS1;
4, MS sends on this private resource and inserts request code, accomplishes fast and switches; BS1 and RS upgrade topology information, and BS1 continues as MS through RS service is provided.
As shown in Figure 6, under the situation that BS1 and RS hold consultation, portable terminal is cut into multi-cell coordination relay station coverage from base station BS 1, and the another kind of method flow diagram of base station intra takes place;
Under the situation that BS1 and RS hold consultation, portable terminal is cut into multi-cell coordination relay station coverage from the base station, and the another kind of method of intra takes place, and comprising:
1, BS1 sends quick handoff request to RS, and this message effect is that notice RS:MS will switch under the RS, and does quick switching;
2, RS feeds back quick handover acknowledge message to BS1, and is that switching is ready fast for MS;
3, the BS1 instruct MS realizes switching fast, carries MS in this message and carries out the time of switching;
4, MS switches under the RS, on the quick access-in resource that RS distributes, sends and inserts request message, and access point becomes RS, and BS1 continues as MS through RS service is provided;
The above portable terminal is cut into the method for multi-cell coordination relay station coverage from the base station, and said base station is that the multi-cell coordination relay station provides one of serving base station; If said base station is not for the multi-cell coordination relay station provides one of serving base station, then when MS is cut into multi-cell coordination relay station coverage from the base station, will take place to switch between serving BS broadcasts and target BS; If target BS and serving BS broadcasts have alternately before MS switches, so target BS and serving BS broadcasts interactive terminal contextual information; And on RS, bind the relevant information of MS, carry out the preparation before switching; Through serving BS broadcasts notice MS, distributed private resource if target BS is MS then, MS utilizes this private resource to insert RS so, otherwise the terminal is according to the cut-in method access RS of collaborative relay system.
As shown in Figure 7, the embodiment of the invention provides a kind of method flow diagram of trans-regional roaming;
The method of embodiment of the invention trans-regional roaming, said trans-regional roaming occur in the multi-cell coordination relay station area of coverage, and the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; Said method comprises:
S701: at the said multi-cell coordination relay station area of coverage, portable terminal roams into other base station overlay areas from the serving BS area of coverage;
S702: serving BS continues as portable terminal through the multi-cell coordination relay station service is provided.
A kind of method flow diagram that cuts out the multi-cell coordination relay station as shown in Figure 8, that the embodiment of the invention provides;
The embodiment of the invention cuts out the method for multi-cell coordination relay station, comprising:
S801: portable terminal shifts out from the multi-cell coordination relay station area of coverage;
S802: judge whether target BS and serving BS are same base station;
If not same base station, target BS provides service;
If same base station, serving BS provides service.
As shown in Figure 9, said judgement target BS and serving BS are same base station, and serving BS provides the flow chart of steps of service,
Said judgement target BS and serving BS are same base station, and serving BS provides the step of service, comprising:
S901: serving BS receives the request of access, connects;
S902: the multi-cell coordination relay station is cancelled said portable terminal service;
S903: serving BS directly provides service for said portable terminal.
Shown in figure 10, under BS1 and not negotiation situation of RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, the flow chart of base station intra takes place portable terminal;
Under BS1 and not negotiation situation of RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, it is following that base station intra flow process takes place portable terminal:
1, MS is linked into BS1;
2, BS1 notice RS topology is upgraded;
3, RS upgrades topology, no longer is the MS service; And to BS1 transmission renewal response;
MS need be original access point RS notice BS1 in inserting the BS1 process, and other processes MS as shown in Figure 3 informs the process of serving BS broadcasts to RS, only need use that BS ID gets final product in the RS ID replacement.
Shown in figure 11, have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, base station intra flow chart takes place in portable terminal;
Have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, it is following that base station intra flow process takes place portable terminal:
1, RS sends association request message to BS1; BS1 uses for MS distributes private resource to insert BS1 at random as MS in association request message;
2, RS receives associate response message;
3, RS distributes MS with above-mentioned private resource;
4, MS utilizes above-mentioned private resource to be linked into BS1.
Shown in figure 12, have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is identical with serving BS, the another kind of flow chart of base station intra takes place in portable terminal;
1, RS sends quick handoff request message to BS1;
2, RS receives quick handover acknowledge message;
3, the RS instruct MS is switched fast;
4, MS switches under the BS, on the quick access-in resource that RS distributes, sends and inserts request message, and access point becomes BS1.
Shown in figure 13, said judgement target BS and serving BS are different base station, and target BS provides the flow chart of steps of service;
Said judgement target BS and serving BS are different base station, and target BS provides the step of service, comprising:
S1301: target BS receives the request of access, connects;
S1302: the cancellation of multi-cell coordination relay station is to the service of said portable terminal;
S1303: target BS directly provides service for said portable terminal.
Shown in figure 14, under BS1 and not negotiation situation of RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, and the flow chart that switches between portable terminal generation base station;
Under BS1 and not negotiation situation of RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, the flow process of switching between portable terminal generation base station is following:
1, MS accomplishes and is linked among the BS2;
2, BS2 and BS1 interactive information, this information comprises the contextual information of MS, guarantees the MS quality of handoff;
3, BS1 and RS interactive information, serving BS broadcasts is sent topological updating message to RS, and RS no longer provides service for MS.
Shown in figure 15, have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, the flow chart that switches between portable terminal generation base station;
Have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, the flow process of switching between portable terminal generation base station is following:
1, RS is through BS1 and BS2 interactive information, and said interactive information comprises: cross-correlation request and associate response message or quick handoff request and response message;
2, RS is transmitted to MS with handover information, can use private resource that inserts at random or the indication of switching fast that handover information is transmitted to MS;
3, MS utilizes handover information to accomplish the access procedure at BS2, as: utilize private resource to accomplish random access procedure and perhaps utilize the quick message of switching to accomplish access procedure.
Shown in figure 16, have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, the another kind of flow chart that switches between portable terminal generation base station;
Have under the negotiation situation at BS1 and RS, portable terminal cuts out from the multi-cell coordination relay station, if target BS is different with serving BS, the flow process that portable terminal takes place to switch between another kind of base station is following:
1, the direct and BS2 interactive information of RS, said interactive information comprises: cross-correlation request and associate response message or quick handoff request and response message;
2, BS1 and BS2 interactive information are prepared for MS switches;
3, RS is transmitted to MS with handover information, can use private resource that inserts at random or the indication of switching fast that handover information is transmitted to MS;
4, MS utilizes handover information to accomplish the access procedure at BS2, as: utilize private resource to accomplish random access procedure and perhaps utilize the quick message of switching to accomplish access procedure.
The above; Be merely the embodiment of the embodiment of the invention; But the protection range of the embodiment of the invention is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, the protection range of the embodiment of the invention should be as the criterion with the protection range of claim.
Claims (13)
1. method of cutting the multi-cell coordination relay station, the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; It is characterized in that, comprising:
Portable terminal moves to the multi-cell coordination relay station area of coverage from the serving BS area of coverage; Said serving BS is that said multi-cell coordination relay station provides one of serving base station;
Said portable terminal continues as it through the multi-cell coordination relay station by said serving BS service is provided.
2. according to the method for the said incision multi-cell coordination of claim 1 relay station, it is characterized in that said portable terminal continues as the step that it provides service through the multi-cell coordination relay station by said serving BS, comprising:
Multi-cell coordination relay station mobile terminal receive inserts request;
The multi-cell coordination relay station allows said portable terminal to insert;
It is the multi-cell coordination relay station that said serving BS writes down said portable terminal access point;
Said serving BS continues as portable terminal through the multi-cell coordination relay station service is provided.
3. according to the method for the said incision multi-cell coordination of claim 2 relay station, it is characterized in that described access request comprises: insert request code, insert request message;
Said access request code comprises: random access code;
Said access request message comprises: the portable terminal identity code.
4. according to the method for the said incision multi-cell coordination of claim 2 relay station, it is characterized in that,
The step that said multi-cell coordination relay station mobile terminal receive inserts request comprises:
The multi-cell coordination relay station receives and inserts request code;
The access request code of multi-cell coordination relay station response portable terminal;
The multi-cell coordination relay station receives and inserts request message;
The step that the multi-cell coordination relay station allows said portable terminal to insert comprises:
The multi-cell coordination relay station is transmitted and is inserted request message to serving BS;
The multi-cell coordination relay station receives the authentication result of serving BS feedback;
The multi-cell coordination relay station sends and inserts the request message response.
5. according to the method for the said incision multi-cell coordination of claim 2 relay station, it is characterized in that said multi-cell coordination relay station mobile terminal receive inserts before the request step, also comprises:
Said multi-cell coordination relay station and serving BS are held consultation;
Said serving BS sends to portable terminal with negotiation result.
6. according to the method for the said incision multi-cell coordination of claim 5 relay station, it is characterized in that,
The step that said multi-cell coordination relay station and serving BS are held consultation comprises:
The multi-cell coordination relay station receives association request message;
The multi-cell coordination relay station sends related response message;
Said serving BS sends to the step of portable terminal with negotiation result, comprising:
The private resource that the multi-cell coordination relay station will be distributed to portable terminal feeds back to portable terminal through serving BS.
7. according to the method for the said incision multi-cell coordination of claim 5 relay station, it is characterized in that,
The step that said multi-cell coordination relay station and serving BS are held consultation comprises:
The multi-cell coordination relay station receives quick handoff request message;
The multi-cell coordination relay station sends quick handover acknowledge message;
Said serving BS sends to the portable terminal step with negotiation result, comprising:
The multi-cell coordination relay station feeds back to portable terminal with the instruction that indicating mobile terminal switches through serving BS.
8. the method for a trans-regional roaming, said trans-regional roaming occurs in the multi-cell coordination relay station area of coverage, and the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; It is characterized in that said method comprises:
At the said multi-cell coordination relay station area of coverage, portable terminal roams into other base station overlay areas from the serving BS area of coverage;
Serving BS continues as portable terminal through the multi-cell coordination relay station service is provided, and said serving BS is that said multi-cell coordination relay station provides one of serving base station.
9. method that cuts out the multi-cell coordination relay station, the said multi-cell coordination relay station area of coverage has the overlapping region with at least two base station overlay areas; It is characterized in that serving BS is that portable terminal moves to said multi-cell coordination relay station area of coverage serving BS before; Said method comprises:
Portable terminal shifts out from the multi-cell coordination relay station area of coverage;
Judge whether target BS and serving BS are same base station;
If not same base station, target BS provides service;
If same base station, serving BS provides service.
10. according to the said method that cuts out the multi-cell coordination relay station of claim 9, it is characterized in that said judgement target BS and serving BS are different base stations, then said target BS provides the step of service, comprising:
Target BS receives the request of access, connects;
The cancellation of multi-cell coordination relay station is to the service of said portable terminal;
Target BS directly provides service for said portable terminal.
11., it is characterized in that said target BS receives the request of access, before the step that connects, also comprises according to the said method that cuts out the multi-cell coordination relay station of claim 10:
Consult each other between said target BS, serving BS, multi-cell coordination relay station;
Said multi-cell coordination relay station sends to portable terminal with negotiation result.
12., it is characterized in that said judgement target BS and serving BS are same base station according to the said method that cuts out the multi-cell coordination relay station of claim 9, then said serving BS provides the step of service, comprising:
Serving BS receives the request of access, connects;
The cancellation of multi-cell coordination relay station is to said portable terminal service;
Serving BS directly provides service for said portable terminal.
13., it is characterized in that said serving BS receives the request of access, before the step that connects, also comprises according to the said method that cuts out the multi-cell coordination relay station of claim 12:
Said multi-cell coordination relay station and serving BS are held consultation;
Said multi-cell coordination relay station sends to portable terminal with negotiation result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100841976A CN101547446B (en) | 2008-03-28 | 2008-03-28 | Method for switching in and out of multi-cell synergetic relay station and method for trans-regional roaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100841976A CN101547446B (en) | 2008-03-28 | 2008-03-28 | Method for switching in and out of multi-cell synergetic relay station and method for trans-regional roaming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101547446A CN101547446A (en) | 2009-09-30 |
| CN101547446B true CN101547446B (en) | 2012-06-06 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239634A (en) * | 1997-09-08 | 1999-12-22 | 阿尔卡塔尔公司 | Handoff method between two cells of digital cellular communication network |
| CN1539248A (en) * | 2001-08-09 | 2004-10-20 | �ʼҷ����ֵ��ӹɷ�����˾ | Handover in cellular radio systems |
| CN101141796A (en) * | 2006-09-08 | 2008-03-12 | 华为技术有限公司 | Uplink resource multiplexing method of wireless relay system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239634A (en) * | 1997-09-08 | 1999-12-22 | 阿尔卡塔尔公司 | Handoff method between two cells of digital cellular communication network |
| CN1539248A (en) * | 2001-08-09 | 2004-10-20 | �ʼҷ����ֵ��ӹɷ�����˾ | Handover in cellular radio systems |
| CN101141796A (en) * | 2006-09-08 | 2008-03-12 | 华为技术有限公司 | Uplink resource multiplexing method of wireless relay system |
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