A peak power reduction scheme based on reversal of parity-bits for a block-coded OFDM signal

Osamu Muta, Yoshihiko Akaiwa

研究成果: ジャーナルへの寄稿Conference article

7 引用 (Scopus)

抄録

In this paper, we propose a peak power reduction (PPR) scheme based on reversal of parity-bits for a block-coded OFDM signal. In our PPR scheme, the entire parity-check block of codeword is adaptively reversed symbol-by-symbol, so as to minimize PAPR of the OFDM-signal. At the receiver, the original codeword can be restored with sufficient accuracy by checking the Syndrome of received codeword and protecting a significant-bit of code-word from transmission error. When (7,4), (31,21) and (31,26) BCH code are employed, PAPR of the OFDM signal at the CCDF (Complementary Cumulative Distribution Function) of 10-4 can be reduced by about 2.8, 2.5 and 2.0dB by applying PPR scheme while achieving approximately the same BER performance as the case without PPR in exponentially decaying 6-path Rayleigh fading condition.

元の言語英語
ページ(範囲)1911-1915
ページ数5
ジャーナルIEEE Vehicular Technology Conference
59
発行部数4
出版物ステータス出版済み - 12 1 2004
イベント2004 IEEE 59th Vehicular Technology Conference, VTC2004-Spring: Towards a Global Wireless World - Milan, イタリア
継続期間: 5 17 20045 19 2004

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Orthogonal frequency division multiplexing
Rayleigh fading
Distribution functions
code

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

これを引用

A peak power reduction scheme based on reversal of parity-bits for a block-coded OFDM signal. / Muta, Osamu; Akaiwa, Yoshihiko.

:: IEEE Vehicular Technology Conference, 巻 59, 番号 4, 01.12.2004, p. 1911-1915.

研究成果: ジャーナルへの寄稿Conference article

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