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Method of selecting antennas and transmitting data in multi-input multi-output wireless local area network environments

a wireless local area network and multi-output technology, applied in the field of multi-input multi-output (mimo) wireless local area network (wlan) system, can solve problems such as data collision and inability to discriminate between the receiving antennas of points, and achieve the effect of improving data throughpu

Inactive Publication Date: 2012-12-20
PANTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Enhances data throughput by reducing collisions and performance degradation, simplifying hardware configurations, and lowering system costs while maintaining effective data recovery in multi-path environments.

Problems solved by technology

In this case, a data collision may occur and the access point's two receiving antennas may not be able to discriminate among the four data streams.

Method used

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  • Method of selecting antennas and transmitting data in multi-input multi-output wireless local area network environments
  • Method of selecting antennas and transmitting data in multi-input multi-output wireless local area network environments
  • Method of selecting antennas and transmitting data in multi-input multi-output wireless local area network environments

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Embodiment Construction

[0021]Reference will now be made in detail to the present invention's exemplary embodiments, which are illustrated in the accompanying drawings, and in which like reference numerals refer to the like elements throughout. The exemplary embodiments are described below in reference to the figures.

[0022]Hereinafter, a method for transmitting and receiving data in an MIMO WLAN system using the method according to the exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

[0023]According to the exemplary embodiments of the present invention, each station may include multiple transmitting antennas and select at least one transmitting antenna from the multiple transmitting antennas for transmission of data to the access point. Therefore, it is possible to reduce performance degradation that may occur due to data collisions.

[0024]For example, according to one exemplary embodiment each station may include two transmitting antennas, and an ...

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PUM

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Abstract

In a Multiple-Input Multiple-Output (MIMO) wireless local area network (WLAN) system, a method is provided for selecting at least one antenna from a plurality of antennas and transmitting a data frame from a station to an access point via the selected antenna or antennas. A method for transmitting data from a plurality of stations to an access point in the MIMO WLAN system includes detecting a channel status of a channel from the access point to each transmitting antenna of the station, selecting at least one transmitting antenna from among the station's transmitting antennas based on the detected channel status, and transmitting a data frame from the station to the access point via the selected transmitting antenna or antennas.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. application Ser. No. 12 / 599,463, filed on Nov. 9, 2009, which is the National Stage of International Application No. PCT / KR2008 / 002606, filed May 9, 2008, and claims priority from and the benefit of Korean Patent Application No. 10-2007-0045848, filed on May 11, 2007, all of which are hereby incorporated by reference for all purposes as if fully set forth herein.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a Multiple-Input Multiple-Output (MIMO) wireless local area network (WLAN) system, and more particularly, to a method for selecting at least one antenna from a plurality of antennas and transmitting a data frame via the selected antenna or antennas.[0004]2. Discussion of the Background[0005]A WLAN is a short distance communication network where signals can be transmitted wirelessly between nodes, such as stations and an access point. The WLAN ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04W84/12
CPCH04B7/0691H04B7/0814H04B7/0413H04B7/061H04B7/06H04W16/10
Inventor SUNG, DAN KEUNJUNG, BANG CHUL
Owner PANTECH CO LTD
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