Presentation 2014-08-01
A Study of Fast Tracking Equalization for SC-FDMA and OFDM Systems in Multipathfading Environment
Takuya AKIYAMA, Takahiro YAMAGUCHI, Takaharu NAGAHASHI, Kazuhiro YAMAGUCHI, Hideaki MATSUE,
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Abstract(in English) In this paper, SC-FDMA and OFDM systems with fast tracking equalizer based on RLS algorithm in multipath fading environments are proposed. First, the proposed SC-FDMA and OFDM systems equalize receiver signals with reference signals on each sub-carrier in the frequency domain at the receiver. Then, the fast tracking equalization with the received data carried out. Compared to the results of computer simulations with LMS and RLS algorithms, the improvement of BER Performance on the systems with fast tracking equalizer based on LMS algorithm is about 2 times higher than the conventional systems with only the initial equalization when the Doppler frequency is 200Hz. Moreover, the systems based on RLS algorithms can improve BER performance about 2~3 times than the systems based on LMS algorithm. Furthermore, the SC-FDMA system has an advantage of about 1.9~2.8 dB in PAPR performance compared with OFDM system.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) SC-FDMA / OFDM / RLS algorithm / LMS algorithm / Fast Tracking Equalizer
Paper # RCS2014-137
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Conference Information
Committee RCS
Conference Date 2014/7/23(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study of Fast Tracking Equalization for SC-FDMA and OFDM Systems in Multipathfading Environment
Sub Title (in English)
Keyword(1) SC-FDMA
Keyword(2) OFDM
Keyword(3) RLS algorithm
Keyword(4) LMS algorithm
Keyword(5) Fast Tracking Equalizer
1st Author's Name Takuya AKIYAMA
1st Author's Affiliation Graduate School of Tokyo University of Science, Suwa()
2nd Author's Name Takahiro YAMAGUCHI
2nd Author's Affiliation Tokyo University of Science, Suwa
3rd Author's Name Takaharu NAGAHASHI
3rd Author's Affiliation Graduate School of Tokyo University of Science, Suwa
4th Author's Name Kazuhiro YAMAGUCHI
4th Author's Affiliation Tokyo University of Science, Suwa
5th Author's Name Hideaki MATSUE
5th Author's Affiliation Tokyo University of Science, Suwa
Date 2014-08-01
Paper # RCS2014-137
Volume (vol) vol.114
Number (no) 164
Page pp.pp.-
#Pages 6
Date of Issue