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New OFDM system without guard interval

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2 Author(s)
Yafei Hou ; Res. Center for Inf. & Commun. Syst., Ryukoku Univ., Kyoto ; Hase, T.

This paper proposes a new OFDM system without a guard interval (GI) based on the useful characteristics of IFFT operation. The system utilizes the pilot signal to capture the channel information as well as GI does. Therefore, the bandwidth efficiency of the system can be improved. In addition, it achieves promising peak-to-average power ratio (PAPR) characteristics which also decrease the cost of handsets.

Published in:

Consumer Electronics, 2009. ICCE '09. Digest of Technical Papers International Conference on

Date of Conference:

10-14 Jan. 2009