Side Lobe Suppression Based on Optimized Phase Rotation Sequence

Junrong GU  Jae Ho HWANG  Ning HAN  Jae Moung KIM  

IEICE TRANSACTIONS on Communications   Vol.E93-B   No.2   pp.403-406
Publication Date: 2010/02/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.403
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
OFDM,  out-of-band radiation,  side lobe suppression,  phase rotation,  

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This paper proposes an optimized phase rotation sequence method for side lobe suppression by complementing and regulating the side lobe suppression sequence set. The sequence set is efficiently enhanced through the quadratically constrained least square model. The theoretical suppression performance of our method is discussed. Furthermore, our scheme is also suitable for cognitive radio, which is analyzed in the simulation part. The simulation results confirm the effectiveness of our schemes.