A Study of SFH OFDM MA System in Fading Channel
碩士 === 中原大學 === 電子工程研究所 === 96 === In this thesis, direct sequence slow frequency-hopping space-time block coded orthogonal frequency division multiplexing (DSSFH STBC OFDM) system is proposed, both multiple access interference (MAI) and Rayleigh fading are considered. It has been shown that spreadi...
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ndltd-TW-096CYCU54280192015-10-13T14:52:53Z http://ndltd.ncl.edu.tw/handle/39107517316202241902 A Study of SFH OFDM MA System in Fading Channel 慢跳頻正交分頻多工及多使用者系統在衰減通道之研究 Han-Chiau Tsai 蔡函橋 碩士 中原大學 電子工程研究所 96 In this thesis, direct sequence slow frequency-hopping space-time block coded orthogonal frequency division multiplexing (DSSFH STBC OFDM) system is proposed, both multiple access interference (MAI) and Rayleigh fading are considered. It has been shown that spreading spectrum (SS), frequency hopping and diversity combining techniques are efficiently to combat MAI and fading. We consider different diversity combining methods in our system: maximum ratio combining (MRC), equal gain combining (EGC) and two training sequence methods. The proposed system assumes that the channel state information (CSI) is available for decoding process. In order to estimate the CSI, this thesis proposes two train sequence methods. Finally, the performance comparison of different diversity combining methods is shown in the simulation results. Li-Der Jeng 鄭立德 2008 學位論文 ; thesis 39 zh-TW |
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碩士 === 中原大學 === 電子工程研究所 === 96 === In this thesis, direct sequence slow frequency-hopping space-time block coded orthogonal frequency division multiplexing (DSSFH STBC OFDM) system is proposed, both multiple access interference (MAI) and Rayleigh fading are considered. It has been shown that spreading spectrum (SS), frequency hopping and diversity combining techniques are efficiently to combat MAI and fading. We consider different diversity combining methods in our system: maximum ratio combining (MRC), equal gain combining (EGC) and two training sequence methods. The proposed system assumes that the channel state information (CSI) is available for decoding process. In order to estimate the CSI, this thesis proposes two train sequence methods. Finally, the performance comparison of different diversity combining methods is shown in the simulation results.
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Li-Der Jeng |
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Li-Der Jeng Han-Chiau Tsai 蔡函橋 |
author |
Han-Chiau Tsai 蔡函橋 |
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Han-Chiau Tsai 蔡函橋 A Study of SFH OFDM MA System in Fading Channel |
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Han-Chiau Tsai |
title |
A Study of SFH OFDM MA System in Fading Channel |
title_short |
A Study of SFH OFDM MA System in Fading Channel |
title_full |
A Study of SFH OFDM MA System in Fading Channel |
title_fullStr |
A Study of SFH OFDM MA System in Fading Channel |
title_full_unstemmed |
A Study of SFH OFDM MA System in Fading Channel |
title_sort |
study of sfh ofdm ma system in fading channel |
publishDate |
2008 |
url |
http://ndltd.ncl.edu.tw/handle/39107517316202241902 |
work_keys_str_mv |
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