New OFDM structure with parallel combinatory code

Authors:
Yafei Hou;Xu Zhang;Tomohiro Hase
Affiliations:
Research Center of Information and Communication Systems, Ryukoku University, Japan;Department of Media Informatics, Ryukoku University, Japan;Faculty of Science and Technology, Ryukoku University, Japan
Venue:
APCC'09 Proceedings of the 15th Asia-Pacific conference on Communications
Year:
2009

Citing 3
Cited 0

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Abstract

We propose a promising property for the transmitter using inverse fast Fourier transform (IFFT). Based on this property and parallel combinatory (PC) code, we propose a new parallel combinatory OFDM system. For different design requirements such as peak-to-average power ratio (PAPR) reduction or BER performance improvement, the system can select appropriate phase sets for all modulated subcarriers for each PC code. Compared with the original BPSK modulated OFDM system, the proposed system will achieve better PAPR characteristics or promising BER performance which also decreases the cost of handsets.