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IEICE TRANSACTIONS on Communications

Iterative Algorithm for Reducing the Peak-to-Average Power Ratio of Feedback-Controlled Multitone-Hopping CDMA Signals

Kazuki CHIBA, Masanori HAMAMURA

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Summary :

A novel peak-to-average power ratio (PAR) control algorithm for feedback-controlled multitone-hopping code-division multiple access (FC/MH-CDMA) signals is proposed. In FC/MH-CDMA, since each chip consists of plural tones, the energy consumption due to a large PAR is not negligible at the transmitter. The proposed PAR control algorithm iteratively constructs a time-frequency code that achieves a preset, target PAR under the condition that all signals are asynchronously transmitted. A PAR of 1 dB is shown to be achievable, and the bit-error rate performance is shown to be only slightly influenced if the target PAR is set to be larger than 3 dB. The influence of quantization is also discussed in terms of its application to limited feedback channels.

Publication
IEICE TRANSACTIONS on Communications Vol.E93-B No.11 pp.3072-3082
Publication Date
2010/11/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E93.B.3072
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

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