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A Practical Approach for Coded OFDM with Partial Transmit Sequence

Tomoyuki MANDAI, Ikuo OKA, Marc P.C. FOSSORIER, Shingo ATA, Chikato FUJIWARA

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Summary :

Orthogonal frequency division multiplexing (OFDM) is a possible candidate for the modulation used in mobile multimedia communications because of its robustness to fading and flexibility of transmission rate. Partial transmit sequence (PTS) is an effective technique for reducing the peak power of OFDM signals by means of phase rotation. In PTS, side information (SI) is transmitted to correct the effects of the phase rotation. We propose a new method based on rotationally invariant trellis coded modulation for coded OFDM with PTS. In this method, no SI is required and the few information bits affected by the phase rotation are not used as data. (They are regarded as dummy bits). It is shown that the proposed method yields better bit error rate (BER) performance than other methods using side information under the condition of almost the same transmission rate.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.5 pp.1273-1275
Publication Date
2004/05/01
Publicized
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DOI
Type of Manuscript
Special Section LETTER (Special Section on Mobile Multimedia Communications)
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