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Wireless communication method and apparatus for optimizing the performance of access points

A technology of a wireless communication system and an access point, applied in the field of wireless communication systems, capable of solving problems such as lost packets and/or delays

Inactive Publication Date: 2007-01-31
INTERDIGITAL TECH CORP
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

In addition, power control procedures must minimize interference with WTRUs and APs in neighboring Basic Service Sets (BSSs) that would cause excessive packet loss and / or delays in these BSSs

Method used

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  • Wireless communication method and apparatus for optimizing the performance of access points
  • Wireless communication method and apparatus for optimizing the performance of access points
  • Wireless communication method and apparatus for optimizing the performance of access points

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Embodiment Construction

[0038]Hereinafter, the term "WTRU" includes without limitation a user equipment (UE), mobile station, a wireless LAN station, a fixed or mobile subscriber unit, pager, or any other type of device capable of operating in a wireless environment .

[0039] Hereinafter, the term "AP" includes without limitation a Node B, a site controller, a base station, or any other kind of wireless environment interfacing device. The invention is particularly applicable to wireless local area networks (WLAN).

[0040] The features of the present invention may be incorporated within an integrated circuit (IC) or constructed within a circuit comprising multiple interconnected components.

[0041] The invention is described below with reference to the drawings, in which like numerals refer to like components. The present invention is used as an add-on for WLAN IEEE 802.11 standards (802.11 baseline, 802.11a, 802.11b, and 802.11g), and also applies to IEEE 802.11e, 802.11h, and 802.16.

[0042] ...

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Abstract

A wireless communication method and apparatus for optimizing the performance of an access point (AP) for reliably communicating with at least one wireless transmit / receive unit (WTRU) in a wireless communication system. In one embodiment, the coverage area of an AP is autonomously determined. In another embodiment the loads of an AP are balanced. In yet another embodiment, the transmission power level of an AP is determined and / or controlled.

Description

technical field [0001] The present invention relates to a wireless communication system comprising a plurality of access points (APs). More particularly, the present invention relates to a method and apparatus for optimizing the performance of APs by autonomously determining AP coverage areas, balancing AP loads, and controlling AP transmission power levels. Background technique [0002] A wireless communication system is supported by a group of APs deployed in a known environment. Each AP provides wireless service to wireless transmit / receive units (WTRUs) within its coverage area. The coverage area of ​​an AP depends on several factors, such as the transmit power of the AP and WTRUs, the sensitivity of the receivers of the AP and WTRUs, and the characteristics of the propagation environment. In order to optimize system performance, it is often desirable to reduce the coverage area of ​​each AP to some extent from the largest possible area given the radio specifications (...

Claims

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Application Information

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IPC IPC(8): H04J1/16H04W16/18H04W24/06
CPCH04W16/18H04W24/06
Inventor 保罗·马里内尔安吉罗·卡费洛克里斯多福·凯夫文森·罗伊
Owner INTERDIGITAL TECH CORP
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