Presentation 2000/12/9
A Study on Half-symbol Modulation and Demodulation scheme of Multi-Carrier CDMA system
Wataru MATSUMOTO, Hideki IMAI,
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Abstract(in English) This paper proposes the Half Symbol Multi-Carrier Code Division Multiple Access(HS-MC-CDMA)which is modified the Half Symbol Multi-Carrier Modulation(HS-MCM)scheme to increase spectral efficiency in comparison with OFDM(Orthogonal Frequency Division Multiplexing)modulation. This HS-MCM scheme which we already proposed in the paper[4]makes OFDM symbol length shorten Half symbol size. Furthermore, the HS-MC-CDMA is modulated after Walsh-Hadamrd coding of even subcarriers demodulation and odd subcarriers demodulation separately. We show that the HS-MC-CDMA has better performance than the conventional OFDM system under BPSK modulation on each sub-carrier.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) OFDM / MCM / OFDM symbol / MC-CDMA
Paper # SST2000-61
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Committee SST
Conference Date 2000/12/9(1days)
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Registration To Spread Spectrum Technology (SST)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Half-symbol Modulation and Demodulation scheme of Multi-Carrier CDMA system
Sub Title (in English)
Keyword(1) OFDM
Keyword(2) MCM
Keyword(3) OFDM symbol
Keyword(4) MC-CDMA
1st Author's Name Wataru MATSUMOTO
1st Author's Affiliation Mitsubishi Electric Corporation()
2nd Author's Name Hideki IMAI
2nd Author's Affiliation Institute of Industrial Science, The University of Tokyo
Date 2000/12/9
Paper # SST2000-61
Volume (vol) vol.100
Number (no) 514
Page pp.pp.-
#Pages 6
Date of Issue