A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems
碩士 === 國立臺灣海洋大學 === 電機工程學系 === 100 === Because multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) technology has the prominent feature of high data rate, it has been applied on 4G wide band communication systems. However, the main weakness of MIMO-OFDM lies in its...
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ndltd-TW-100NTOU54420482015-10-13T22:01:08Z http://ndltd.ncl.edu.tw/handle/80396725449045472007 A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems 結合子頻帶排列之漸進遞迴式選擇映射法以降低STBC MIMO-OFDM系統之峰均值功率比 Chi-Hua Lo 羅際華 碩士 國立臺灣海洋大學 電機工程學系 100 Because multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) technology has the prominent feature of high data rate, it has been applied on 4G wide band communication systems. However, the main weakness of MIMO-OFDM lies in its high peak -to-average power ratio(PAPR), which lowers the efficiency, leading to the cost increase of RF power amplifier. In this thesis, we deal with a hybrid MIMO-OFDM system with the space-time block code (STBC) incorporated and propose a new method for PAPR reduction. The proposed method uses subband permutation (SP) on OFDM symbols to produce more symbol candidates and adopts the progressive selected mapping (SLM) scheme in a recursive fashion to reduce PAPR, under the same computational complexity assessed by the required number of Fourier transform. Simulation results show that, the proposed method has the best capability of reducing PAPR among the traditional methods of Individual SLM, Concurrent SLM ,and Progressive SLM. However, the proposed method requires more side-information (SI) bits delivered to the receiver. Hsien-Sen Hung 洪賢昇 2012 學位論文 ; thesis 48 zh-TW |
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碩士 === 國立臺灣海洋大學 === 電機工程學系 === 100 === Because multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) technology has the prominent feature of high data rate, it has been applied on 4G wide band communication systems. However, the main weakness of MIMO-OFDM lies in its high peak -to-average power ratio(PAPR), which lowers the efficiency, leading to the cost increase of RF power amplifier. In this thesis, we deal with a hybrid MIMO-OFDM system with the space-time block code (STBC) incorporated and propose a new method for PAPR reduction. The proposed method uses subband permutation (SP) on OFDM symbols to produce more symbol candidates and adopts the progressive selected mapping (SLM) scheme in a recursive fashion to reduce PAPR, under the same computational complexity assessed by the required number of Fourier transform.
Simulation results show that, the proposed method has the best capability of reducing PAPR among the traditional methods of Individual SLM, Concurrent SLM ,and Progressive SLM. However, the proposed method requires more side-information (SI) bits delivered to the receiver.
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author2 |
Hsien-Sen Hung |
author_facet |
Hsien-Sen Hung Chi-Hua Lo 羅際華 |
author |
Chi-Hua Lo 羅際華 |
spellingShingle |
Chi-Hua Lo 羅際華 A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems |
author_sort |
Chi-Hua Lo |
title |
A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems |
title_short |
A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems |
title_full |
A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems |
title_fullStr |
A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems |
title_full_unstemmed |
A Progressive SLM Scheme Based on Subband Permutation for PAPR Reduction in STBC MIMO-OFDM Systems |
title_sort |
progressive slm scheme based on subband permutation for papr reduction in stbc mimo-ofdm systems |
publishDate |
2012 |
url |
http://ndltd.ncl.edu.tw/handle/80396725449045472007 |
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