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Control method for activating set updating in soft switching process

A control method and active set technology, applied in the direction of electrical components, radio/induction link selection arrangement, selection device, etc., can solve the problems of inability to meet MSS communication requirements, difficulty in setting threshold values, etc., to ensure soft switching performance, Avoid setup difficulties, avoid inflexible effects

Inactive Publication Date: 2007-01-03
HUAWEI TECH CO LTD
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Problems solved by technology

[0005] In view of this, the main purpose of the present invention is to provide a control method for active set update in the soft handover process, which solves the problems that the existing active set update control method is difficult to set the threshold value and cannot meet the communication needs of each MSS

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  • Control method for activating set updating in soft switching process

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The core idea of ​​the present invention is: pre-configure the relative threshold parameter value including adding the relative threshold H_ADD on the network side; in the soft handover process, the MSS obtains the signal measurement value of the signal received from each BS, and obtains H_ADD from the network side, and then calculating the difference X of the signal measurement value of the signal received from the BS in the current active set and the signal received from the BS outside the current active set, and judging whether there is a BS whose signal measurement value difference X is less than H_ADD outside the current active set, If yes, add the BS to the current active set. In addition, the active set update method of the present invention also inc...

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Abstract

A method for controlling update of activation set in soft switching course includes obtaining signal measurement value from BS received signal and H-ADD from network side by MCC, calculating signal measurement value difference X between signal received by BS in activation set and signal received by BS at external of activation set, judging whether BS with X less than H-ADD is existed at external of activation set or not and adding this BS into current activation set if it is, enabling to delete BS in activation set and to use BS at external of activation set to replace BS in activation set.

Description

technical field [0001] The invention relates to handover technology of a mobile communication system, in particular to a control method for updating an active set in a soft handover process. Background technique [0002] 802.16e is a mobile wireless broadband access standard formulated by the Institute of Electrical and Electronics Engineering (IEEE). The wireless communication system based on this standard includes two basic components: base station (BS) and mobile terminal (MSS). BS and MSS pass The respective wireless transceivers transmit and receive electromagnetic waves to communicate with each other. In a wireless communication system, the MSS is mobile, while the BS is fixed. Each BS has a certain coverage area. When the MSS moves through the coverage area of ​​different BSs, it will replace the BS it communicates with To ensure the continuity of communication, this is the so-called handover. An MSS usually only maintains communication with one BS, but there are ex...

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Application Information

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IPC IPC(8): H04Q7/38H04W36/18H04W36/00
Inventor 蔡睿朱静宁
Owner HUAWEI TECH CO LTD
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