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STF-OFDM Transmission Scheme via Preceding in Frequency Domain  

박상순 (전북대학교 전자공학과 신호처리연구실)
김한경 (전북대학교 전자공학과 신호처리연구)
백흥기 (전북대학교 전자정보공학부 전자정보신기술연구센터)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.7C, 2004 , pp. 954-961 More about this Journal
Abstract
In this paper, we propose a STF(Space-Time-Frequency) coded OFDM(Orthogonal Frequency Division Multiplexing) transmission scheme as an attractive solution for high bit rate data transmission in a multipath fading environment. The STF-OFDM transmission scheme that we propose in this paper is a simple transmission cheme for achieving frequency diversity gain with low complexity. Using preceding in frequency domain, we obtain frequency diversity gain and improve the SER performance of conventional ST-OFDM. The preceding scheme proposed in this paper is a very simple method that can be encoded and decoded with low complexity.
Keywords
MIMO-OFDM; Diversity; STBC; OFDM; Preceding; STF-OFDM;
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