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IEICE TRANSACTIONS on Communications

Joint Channel Estimation and Phase Noise Suppression for OFDM Systems

Yong-Hwa KIM, Seong-Cheol KIM

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Summary :

Phase noise (PHN) can cause the common phase error (CPE) and the inter-carrier interference (ICI), both of which impair the accurate channel estimation in orthogonal frequency division multiplexing (OFDM) systems. In this letter, we build a new signal model parameterized by the channel impulse response, the CPE and the ICI. Based on this model, we derive the maximum likelihood estimator (MLE) and the minimum mean square error estimator (MMSEE). Simulation results show that the proposed schemes significantly improve the performance of OFDM systems in the presence of PHN.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.10 pp.3371-3374
Publication Date
2008/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.10.3371
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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