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Method of performing handover in a broadband wireless access system

A handover and access system technology, applied in wireless communication, network data management, electrical components, etc., and can solve problems such as providing services

Inactive Publication Date: 2010-12-29
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if unnecessary delay occurs when data is transmitted from the serving base station to the target base station determined based on signal strength and service level prediction, it is difficult to provide services (especially delay-sensitive services) smoothly before and after handover

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  • Method of performing handover in a broadband wireless access system
  • Method of performing handover in a broadband wireless access system
  • Method of performing handover in a broadband wireless access system

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Embodiment Construction

[0015] Other advantages, objects and features of the present invention will be partly clarified in the following description, and for those of ordinary skill in the art, by examining the following description or learning from the practice of the present invention, it will become partly obvious. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0016] The embodiments described below are examples in which the technical features of the present invention are applied to a broadband wireless access system. Those skilled in the art should realize that the technical features of the present invention are applicable to other wireless communication systems and broadband wireless access systems.

[0017] figure 2 is a flowchart showing the process according to the preferred embodiment of the present invention. refer to figure 2 , ...

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Abstract

The present invention relates to a method of performing handover and a method of supporting handover in a broadband wireless, access system for minimizing service, transmission delay during handover. The present invention discloses a technical feature that the mobile station determines the target base station (24) for handover in consideration of information related to data transmission time (S217) necessary for transmitting data from the serving base station (22) to at least one neighbor base station (23, 24).

Description

technical field [0001] The present invention relates to a broadband wireless access system, and more particularly, to a method of performing handover and a method of supporting handover for minimizing service transmission delay during handover in a broadband wireless access system. Background technique [0002] figure 1 is a view showing a procedure of performing handover according to the prior art. refer to figure 1 , the mobile station (MS) measures the signal strength received from at least one neighboring base station and makes an active set list. The mobile station reports neighboring base stations included in the active set list to the serving base station. [0003] During execution of handover including fast cell handover, the mobile station receives downlink / uplink control messages or data from one of the neighboring base stations included in the active set list. The serving base station sends a list of target base stations for handover between neighboring base s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/36H04W8/08H04W36/08H04W36/12H04W36/30H04W36/36
CPCH04W36/36H04W8/08H04W36/30H04W36/26H04W36/362H04W36/302
Inventor 任彬哲陈庸硕
Owner LG ELECTRONICS INC