New Spatial Diversity with Virtual Constellation Mapping for OFDM Based Wireless LAN(Wireless Communication Technology)
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概要
- 論文の詳細を見る
In this paper, to enhance the power efficiency a new simple space-time coding scheme is devised with application to the OFDM based Wireless LAN system. The basic idea is from the receiver's point of view and is referred to as Virtual Constellation Mapping (VCM). We designed a new combination of the channel coding (Turbo Code) along with multiple transmit antennas (Two antennas) to achieve transmit diversity and space division multiplexing transmission. Computer simulation results showed that with the same transmission data rate, our proposed scheme can achieve better bit error rate (BER) compared with the conventional space-time trellis coded OFDM scheme in high Doppler fading channels.
- 社団法人電子情報通信学会の論文
- 2003-06-01
著者
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CHERN Shiunn-Jang
Department of Electrical Engineering, National Sun Yat-Sen University
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Liu Wen-chung
Department Of Electrical Engineering National Sun Yat-sen University
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MA Gin-Kou
U5000, SoC Technology Center (STC)
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Chern Shiunn-jang
Department Of Electrical Engineering National Sun Yat-sen University
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Ma Gin-kou
U5000 Soc Technology Center (stc)
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Liu Wen-Chung
Department of Aeronautical Engineering, National Formosa University, Yunlin 632, Taiwan, Republic of China
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