Channel Estimation for OFDM System

碩士 === 南台科技大學 === 電子工程系 === 95 === The OFDM system was proposed for its efficiency in eliminanting the effects of multipath fading and impulse noise, However, in wideband mobile channel, the channel characteristic is usually frequency selective and time-varying. It is crucial to estimate the channel...

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Bibliographic Details
Main Authors: Chen Jui-Chi, 陳瑞琦
Other Authors: Lin Jui-Yuen
Format: Others
Language:zh-TW
Published: 2007
Online Access:http://ndltd.ncl.edu.tw/handle/fmxzg4
Description
Summary:碩士 === 南台科技大學 === 電子工程系 === 95 === The OFDM system was proposed for its efficiency in eliminanting the effects of multipath fading and impulse noise, However, in wideband mobile channel, the channel characteristic is usually frequency selective and time-varying. It is crucial to estimate the channel response for the receiver end to enhance the system performance. In this paper, we propose a channel estimation for the OFDM based on the check sum of the transmitted data. From the simulation results, it demonstrates that the our proposed method has superior performance in the fast fading channel.