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Method and device for switching mobile relay station and its affiliated mobile station

A technology for mobile relay stations and mobile terminals, which is applied in access restrictions, electrical components, wireless communications, etc., and can solve problems such as complex and non-realizable solutions

Active Publication Date: 2010-08-11
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this point, the mobile relay station e needs to be handed over, and the mobile terminal 1 that is accessing through the mobile relay station e does not want to cause additional delay or even communication interruption due to the handover of the mobile relay station e
It can be seen that in this case, the handover of the relay station must also consider the communication continuity of its subordinate mobile terminals, so its handover mechanism is more complicated than the previous two types of handover
[0009] At present, for the above-mentioned third type of handover, there is no mature implementation scheme in the prior art

Method used

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  • Method and device for switching mobile relay station and its affiliated mobile station
  • Method and device for switching mobile relay station and its affiliated mobile station
  • Method and device for switching mobile relay station and its affiliated mobile station

Examples

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Embodiment Construction

[0023] Handover Situations of Mobile Relay Station and Its Subordinate Mobile Terminals

[0024] Please refer to Fig. 1, when the vehicle equipped with the mobile relay station e moves in the wireless access network, the mobile relay station e and its subordinate mobile terminal I (there may be multiple mobile terminals in the vehicle at this time, they are all controlled by the mobile relay station e access, for the sake of simplicity, the handover of mobile terminal 1) may involve the following situations:

[0025] a. Handover within the coverage of the same base station, specifically divided into the following three situations:

[0026] ■Switch from base station to relay station within the coverage of the same base station;

[0027] ■Switch from relay station to base station within the coverage of the same base station;

[0028] ■Switching from a relay station to another relay station within the coverage of the same base station;

[0029] b. Handover within the coverage ...

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Abstract

The invention provides a switching method for realizing quick combined access point switching in a mobile relay station and a mobile terminal thereof in a wide band radio access network. The mobile terminal is accessed through the mobile relay station, the method comprises following steps: a) the mobile terminal is switched to access through a middle access point; b) the mobile relay station is switched to access from a source access point to a target access point; c) the mobile terminal is switched to access from the middle access point to the mobile relay station. The invention also provides corresponding devices and base stations for the method.

Description

technical field [0001] The invention relates to a wireless communication network, in particular to the switching of access points of a mobile relay station and its subordinate mobile terminals in the wireless relay network. Background technique [0002] Fig. 1 is a schematic diagram of a wireless broadband access network including a mobile relay station and its subordinate mobile terminals that can be used to implement the present invention. The shown network includes multiple base stations, multiple relay stations and multiple mobile terminals. For the sake of simplicity, only base station 1, base station 2, relay stations a-d, and a mobile relay station placed on moving objects (such as trains and cars) are shown in the figure e (accessed by base station 1), mobile terminal I (accessed by mobile relay station e), mobile terminal II (directly accessed by base station 1), and mobile terminal III (accessed by relay station a / relay station b). [0003] In the radio access net...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/08H04W88/04H04W48/00
Inventor 张凯宾刘继民金珊邹伟
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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