Presentation 2012-12-14
Impact of Replica Length Reduction on Imperfect Circular Property Restoration
Min Zheng, Wei Peng, Fumiyuki Adachi,
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Abstract(in English) In broadband DS-CDMA uplink transmission using frequency-domain equalization (FDE) without cyclic prefix (CP) insertion, the transmission performance degrades due to inter block interference (IBI) and circular property loss. Imperfect circular property restoration was proposed to recover the circular property loss. In this paper, the impact of replica length reduction on the circular property restoration is evaluated. It is shown that a proper reduction of replica length can improve the bit error rate (BER) performance in a frequency-selective Rayleigh fading channel, especially when multi-path exponential power profile is used.
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Keyword(in English) DS-CDMA / MMSE-FDE / Imperfect Circular property restoration / Replica length
Paper # RCS2012-231
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Committee RCS
Conference Date 2012/12/6(1days)
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Registration To Radio Communication Systems (RCS)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Impact of Replica Length Reduction on Imperfect Circular Property Restoration
Sub Title (in English)
Keyword(1) DS-CDMA
Keyword(2) MMSE-FDE
Keyword(3) Imperfect Circular property restoration
Keyword(4) Replica length
1st Author's Name Min Zheng
1st Author's Affiliation Dept. of Communication Engineering, Graduate School of Engineering, Tohoku University()
2nd Author's Name Wei Peng
2nd Author's Affiliation Dept. of Communication Engineering, Graduate School of Engineering, Tohoku University
3rd Author's Name Fumiyuki Adachi
3rd Author's Affiliation Dept. of Communication Engineering, Graduate School of Engineering, Tohoku University
Date 2012-12-14
Paper # RCS2012-231
Volume (vol) vol.112
Number (no) 351
Page pp.pp.-
#Pages 4
Date of Issue