KANG Jia-fang, WANG Hong-xing, ZHONG Pei-lin, LIU Chuan-hui, LIU Xi-guo. Half Symbol OFDM Modulation Based on Symbol Symmetry[J]. Journal of University of Electronic Science and Technology of China, 2014, 43(5): 647-652. DOI: 10.3969/j.issn.1001-0548.2014.05.002
Citation: KANG Jia-fang, WANG Hong-xing, ZHONG Pei-lin, LIU Chuan-hui, LIU Xi-guo. Half Symbol OFDM Modulation Based on Symbol Symmetry[J]. Journal of University of Electronic Science and Technology of China, 2014, 43(5): 647-652. DOI: 10.3969/j.issn.1001-0548.2014.05.002
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Half Symbol OFDM Modulation Based on Symbol Symmetry

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  • Based on the analysis of symbol symmetry of orthogonal frequency-division multiplexing (OFDM) modulation and by combining with quadrature up(down)-conversion technique, a half symbol OFDM (HS-OFDM) modulation method based on symbol symmetry is proposed. The BER performance, the spectral efficiency, and the transmission over multipath fading channels are analyzed. By using this method to an OFDM system modulated by binary phase shife keying (BPSK) or pulse amplitude modulation (PAM), the upper limit of the system bandwidth efficiency can be raised to 2 Baud/Hz.
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