A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems

A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems

碩士 === 國立清華大學 === 通訊工程研究所 === 95 === In this thesis, a block-by-block blind channel estimation algorithm is proposed for a multiuser orthogonal frequency division multiplexing (OFDM) system with a uniform linear antenna array at the base station and a single antenna at each mobile unit. Provided tha...

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Main Authors: Teng-Han Tsai, 蔡騰漢
Other Authors: Chung-Yung Chi
Format: Others
Language:en_US
Published: 2007
Online Access:http://ndltd.ncl.edu.tw/handle/93757259491431013859
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spelling ndltd-TW-095NTHU56500182015-10-13T16:51:15Z http://ndltd.ncl.edu.tw/handle/93757259491431013859 A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems 多用戶正交分頻多工系統之單區塊子載波平均盲蔽通道估測演算法 Teng-Han Tsai 蔡騰漢 碩士 國立清華大學 通訊工程研究所 95 In this thesis, a block-by-block blind channel estimation algorithm is proposed for a multiuser orthogonal frequency division multiplexing (OFDM) system with a uniform linear antenna array at the base station and a single antenna at each mobile unit. Provided that the channel is static within an OFDM block (i.e., block fading channel), based on the subcarrier averaging, the proposed channel estimation algorithm can estimate all the channel parameters (directions of arrival, time delays and multipath gains of all the users) within only one OFDM block. Some simulation results are provided to justify the efficacy of the proposed channel estimation algorithm even when the total number of subcarriers is not very large. Chung-Yung Chi Wing-Kin Ma 祁忠勇 馬榮健 2007 學位論文 ; thesis 50 en_US
collection NDLTD
language en_US
format Others
sources NDLTD
description 碩士 === 國立清華大學 === 通訊工程研究所 === 95 === In this thesis, a block-by-block blind channel estimation algorithm is proposed for a multiuser orthogonal frequency division multiplexing (OFDM) system with a uniform linear antenna array at the base station and a single antenna at each mobile unit. Provided that the channel is static within an OFDM block (i.e., block fading channel), based on the subcarrier averaging, the proposed channel estimation algorithm can estimate all the channel parameters (directions of arrival, time delays and multipath gains of all the users) within only one OFDM block. Some simulation results are provided to justify the efficacy of the proposed channel estimation algorithm even when the total number of subcarriers is not very large.
author2 Chung-Yung Chi
author_facet Chung-Yung Chi
Teng-Han Tsai
蔡騰漢
author Teng-Han Tsai
蔡騰漢
spellingShingle Teng-Han Tsai
蔡騰漢
A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems
author_sort Teng-Han Tsai
title A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems
title_short A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems
title_full A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems
title_fullStr A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems
title_full_unstemmed A Subcarrier Average Based Block-by-block Blind Channel Estimation Algorithm for Multi-user OFDM Systems
title_sort subcarrier average based block-by-block blind channel estimation algorithm for multi-user ofdm systems
publishDate 2007
url http://ndltd.ncl.edu.tw/handle/93757259491431013859
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