Transmission Performance Evaluation for Designing an OFDM Transmitter That Offers Iterative Peak Reduction(<Special Section>Multi-dimensional Mobile Information Networks)
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概要
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One of the key technologies to realize future broadband mobile communications is orthogonal frequency division multiplexing (OFDM) transmission. However, the peak-to-average power ratio (PAPR) in OFDM transmission is so much larger than that in single carrier transmission that its adoption in mobile communication systems is uncertain. This paper evaluates the transmission performance possible with iterative peak reduction to design more efficient OFDM transmitters. The PAPR reduction effect and bit error rate (BER) performance are clarified by computer simulations. We calculate the set PAPR value that achieves a target PAPR in the iterative peak reduction method. The required E_b/N_0 performance is evaluated under the calculated PAPR condition. The results are effective in designing the back-off value of a transmission power amplifier given fixed transmission quality and computational complexity.
- 2006-07-01
著者
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TOMISATO Shigeru
Okayama University
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HATA Masaharu
Okayama University
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Kubo Akiko
Okayama University
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Yoshino Hitoshi
Ntt Docomo Inc.
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Hata Masaharu
Okayama Univ. Okayama‐shi Jpn
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Tomisato Shigeru
Okayama Univ. Okayama‐shi Jpn
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