CN101123577B - A method for base station switching of global microwave access intercommunication terminal - Google Patents

A method for base station switching of global microwave access intercommunication terminal Download PDF

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Publication number
CN101123577B
CN101123577B CN200710076580A CN200710076580A CN101123577B CN 101123577 B CN101123577 B CN 101123577B CN 200710076580 A CN200710076580 A CN 200710076580A CN 200710076580 A CN200710076580 A CN 200710076580A CN 101123577 B CN101123577 B CN 101123577B
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China
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base station
described
terminal
home gateway
macro base
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CN200710076580A
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Chinese (zh)
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CN101123577A (en
Inventor
刘鑫
陈宏�
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中兴通讯股份有限公司
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Abstract

The present invention discloses a method of the base station switching of a Winax terminal, which includes four steps. Firstly, the terminal is correlated with a home gateway base station via a macrobase station and an access gateway to realize the uplink synchronization; secondly, the macro base station compares the information of the home gateway base station with the stored information of a terminal-authorized home gateway base station, if the home gateway base station is the terminal-authorized home gateway base station and the signal quality meets the service requirement of the terminal,then the macro base station sends a base station switching request to the home gateway base station via the access gateway, otherwise the home gateway base station switching is not carried out, and the flow of the home gateway base station switching is terminated; thirdly, the home gateway base station establishes a data channel with the access gateway and sends a base station switching responseto the terminal ordinally via the access gateway and the macro base station; finally, the terminal sends a switching indication to the macro base station and accesses the home gateway base station, and the flow of the base station switching is finished. The present invention realizes that a terminal switches from a macro base station to a home gateway base station under the condition of the equalsignal quality.

Description

A kind of global microwave access intercommunication terminal carries out the method that switch the base station

Technical field

The present invention relates to a kind of terminal and carry out the method that switch the base station, especially a kind of Wimax (World Interoperability for Microwave Access, global microwave access intercommunication) terminal is carried out the method that switch the base station.

Background technology

At present, among the air protocol IEEE802.16e of BWA, switch message Portability make an uproar ratio, signal strength signal intensity or time delay information, these are whether base station side is necessary the necessary condition that switches in order to the judgement terminal.Yet, part operator attracts the user to use the WiMax network by setting up the home gateway base station, as shown in Figure 1, the service range of each each base station of circle expression is laid a large amount of home gateway base stations, wherein under the coverage of macro base station, inter-frequency networking is adopted in the home gateway base station, its volume is very little and be installed among the subscriber household, directly uses DSL (Digital Subscriber Line, the Digital Subscriber Line) network insertion in the user family.Setting up of these home gateway base stations mainly is in order to cover the capacity in focus or the increase coverage, have only the terminal of contracting under the home gateway base station just can use this home gateway base station to insert, and, can enjoy more cheap rate than the terminal under macro base station in the terminal under the home gateway base station.When terminal switches to the home gateway base station from macro base station, there are two kinds of situations, first kind is that terminal detects to it and provides the macro base station signal quality of service very weak, and the home gateway base station signal is stronger, satisfy handover triggering condition, terminal is initiated handoff request, and this is traditional switching mode; Second kind is that terminal switches to the home gateway base station from macro base station, and for it provides the macro base station of service and home gateway signal of base station all very strong, in this case, terminal wants to switch to the home gateway base station, and traditional switching mode can't realize.Thereby when the preferred home gateway of terminal base station was served under the equivalent signals quality requirements, the switching that terminal is carried out the base station not only needed to consider signal quality.

Summary of the invention

The technical problem to be solved in the present invention provides a kind of Wimax terminal of the switching of terminal from macro base station to family gateway base station that can realize and carries out the method that switch the base station under the equivalent signals quality requirements.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of global microwave access intercommunication terminal carries out the method that switch the base station, may further comprise the steps:

1.1 described terminal is by macro base station and IAD and the related realization in home gateway base station uplink synchronous;

1.2 described macro base station contrasts the home gateway base station information of the described authorization terminal of the information of described home gateway base station and storage, if described home gateway base station is the home gateway base station of described authorization terminal and the demand for services that its signal quality satisfies described terminal, then described macro base station sends the base station handoff request by described IAD to described home gateway base station, otherwise do not carry out the switching of base station, finish the base station switching flow;

1.3 the data channel between foundation of described home gateway base station and described IAD, and send the base station handoff response by described IAD and described macro base station to described terminal successively;

Switch indication and be linked into described home gateway base station 1.4 described terminal sends to described macro base station, the base station switching flow finishes.

In the such scheme, the home gateway base station information of the described authorization terminal of the storage of macro base station described in the step 1.2 is that described macro base station obtains when described terminal inserts described macro base station, may further comprise the steps:

2.1 it is synchronous that described terminal realizes with the uplink and downlink of described macro base station, and finish the capability negotiation flow process;

2.2AAA server is to described terminal authentication, if described terminal is passed through authentication, described aaa server sends to described IAD with the home gateway base station information of described authorization terminal;

2.3 described macro base station sends the home gateway base station information that information acquisition request requires to obtain described authorization terminal to described IAD;

2.4 described IAD obtains response to the information that described macro base station returns the home gateway base station information that comprises described authorization terminal.

2.5 described terminal inserts described macro base station.

In the such scheme, described step 1.1 may further comprise the steps:

3.1 described terminal sends scan request to described macro base station, described macro base station sends related request by described IAD to described home gateway base station after receiving described scan request;

3.2 sending to described terminal by described IAD and described macro base station successively, described home gateway base station comprises the related ranging code and the associated response on related opportunity that described home gateway base station is described terminal distribution;

3.3 described terminal is according to described related ranging code and related opportunity and the related realization in described home gateway base station uplink synchronous;

3.4 described home gateway base station sends the association results report of described terminal and described home gateway base station successively to described terminal by described IAD and described macro base station.

In the such scheme, in the step 2.2, the authentication of described terminal is comprised device authentication and subscription authentication.

In the such scheme, in the step 2.2, described aaa server is when notifying the described terminal of described IAD by authentication the home gateway base station information of described authorization terminal to be sent to described IAD.

Beneficial effect of the present invention mainly shows: technical scheme provided by the invention with the home gateway base station information of authorization terminal as judgment condition, realized under the equivalent signals quality requirements, user's demand has been satisfied in the switching of terminal from macro base station to family gateway base station better.

Description of drawings

Fig. 1 is the application networking schematic diagram of home gateway base station;

Fig. 2 obtains the flow chart of the home gateway base station information of authorization terminal to IAD for macro base station;

Fig. 3 switches to the flow chart of home gateway base station from macro base station for Wimax terminal of the present invention.

Embodiment

The invention will be further described below in conjunction with accompanying drawing.

Fig. 1 is described in background technology, repeats no more herein.

With reference to Fig. 3, a kind of Wimax terminal is carried out the method that switch the base station, may further comprise the steps:

3.1 terminal enters the service range of home gateway base station and wishes that this home gateway base station provides service for it, then terminal triggers the request that switches to the home gateway base station from macro base station by its interface, and promptly this terminal sends scan request to macro base station;

3.2-3.3 macro base station sends related request by IAD to the home gateway base station after receiving scan request, promptly macro base station sends related request to IAD, and IAD should the association request be forwarded to the home gateway base station again;

3.4-3.6 the decision of home gateway base station is related, be related ranging code of terminal distribution and related opportunity, and send to terminal by IAD and macro base station successively and comprise the related ranging code and the associated response on related opportunity, be that the home gateway base station sends associated response to IAD, after IAD was relayed to macro base station with this associated response, macro base station sent to terminal with this associated response again;

3.7 terminal is according to related ranging code and related opportunity and the related realization in home gateway base station uplink synchronous;

3.8-3.10 the home gateway base station sends the association results report of terminal and home gateway base station successively to terminal by IAD and macro base station, be that the home gateway base station is transmitted to macro base station with the association results report by IAD, macro base station sends it to terminal after obtaining this association results report;

3.11-3.13 macro base station carries out switch decision, soon the home gateway base station information of the authorization terminal of the information of home gateway base station and storage contrasts, if the home gateway base station is the home gateway base station of authorization terminal and the demand for services that its signal quality satisfies terminal, then macro base station sends the base station handoff request by IAD to the home gateway base station, otherwise do not carry out the switching of base station, finish the base station switching flow;

3.14 the data channel between foundation of home gateway base station and IAD;

3.15-3.17 the home gateway base station sends the base station handoff response by IAD and macro base station to terminal successively, be that the base station handoff response is returned to IAD in the home gateway base station, after IAD was relayed to macro base station, macro base station sent to terminal with this base station handoff response;

Indicate expression to accept handoff request and be linked into the home gateway base station 3.18-3.19 terminal sends to switch to macro base station, the base station switching flow finishes.

In the said process, the home gateway base station information of the authorization terminal of macro base station storage is that macro base station obtains when terminal inserts macro base station in the step 3.11, and with reference to Fig. 2, it may further comprise the steps:

2.1 it is synchronous that terminal realizes with the uplink and downlink of macro base station, and finish the capability negotiation flow process;

2.2AAA server carries out device authentication and subscription authentication to terminal, if terminal is by device authentication and subscription authentication, aaa server is the home gateway base station information of authorization terminal to be sent to IAD in notice IAD terminal during by authentication.

2.3 macro base station sends the home gateway base station information that information acquisition request requires to obtain authorization terminal to IAD;

2.4 IAD obtains response to the information that macro base station returns the home gateway base station information that comprises authorization terminal.

2.5 terminal inserts described macro base station.

Claims (5)

1. a global microwave access intercommunication terminal carries out the method that switch the base station, it is characterized in that, may further comprise the steps:
1.1 described terminal is by macro base station and IAD and the related realization in home gateway base station uplink synchronous;
1.2 described macro base station contrasts the home gateway base station information of the described authorization terminal of the information of described home gateway base station and storage, if described home gateway base station is the home gateway base station of described authorization terminal and the demand for services that its signal quality satisfies described terminal, then described macro base station sends the base station handoff request by described IAD to the described home gateway base station of authorization terminal, otherwise do not carry out the switching of base station, finish the base station switching flow;
1.3 the data channel between foundation of described home gateway base station and described IAD, and send the base station handoff response by described IAD and described macro base station to described terminal successively;
Switch indication and be linked into described home gateway base station 1.4 described terminal sends to described macro base station, the base station switching flow finishes.
2. global microwave access intercommunication terminal as claimed in claim 1 carries out the method that switch the base station, it is characterized in that, the home gateway base station information of the described authorization terminal of the storage of macro base station described in the step 1.2 is that described macro base station obtains when described terminal inserts described macro base station, may further comprise the steps:
2.1 it is synchronous that described terminal realizes with the uplink and downlink of described macro base station, and finish the capability negotiation flow process;
2.2AAA server is to described terminal authentication, if described terminal is passed through authentication, described aaa server sends to described IAD with the home gateway base station information of described authorization terminal;
2.3 described macro base station sends the home gateway base station information that information acquisition request requires to obtain described authorization terminal to described IAD;
2.4 described IAD obtains response to the information that described macro base station returns the home gateway base station information that comprises described authorization terminal;
2.5 described terminal inserts described macro base station.
3. global microwave access intercommunication terminal as claimed in claim 2 carries out the method that switch the base station, it is characterized in that described step 1.1 may further comprise the steps:
3.1 described terminal sends scan request to described macro base station, described macro base station sends related request by described IAD to described home gateway base station after receiving described scan request;
3.2 sending to described terminal by described IAD and described macro base station successively, described home gateway base station comprises the related ranging code and the associated response on related opportunity that described home gateway base station is described terminal distribution;
3.3 described terminal is according to described related ranging code and related opportunity and the related realization in described home gateway base station uplink synchronous;
3.4 described home gateway base station sends the association results report of described terminal and described home gateway base station successively to described terminal by described IAD and described macro base station.
4. global microwave access intercommunication terminal as claimed in claim 3 carries out the method that switch the base station, it is characterized in that: in the step 2.2, the authentication of described terminal is comprised device authentication and subscription authentication.
5. global microwave access intercommunication terminal as claimed in claim 4 carries out the method that switch the base station, it is characterized in that: in the step 2.2, described aaa server is when notifying the described terminal of described IAD by authentication the home gateway base station information of described authorization terminal to be sent to described IAD.
CN200710076580A 2007-08-24 2007-08-24 A method for base station switching of global microwave access intercommunication terminal CN101123577B (en)

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