An Adaptive Phase Tracking Scheme of OFDM Wireless Communication System

Qian Du; Wen Wu Xie

doi:10.4028/www.scientific.net/AMM.336-338.1798

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 336-338An Adaptive Phase Tracking Scheme of OFDM Wireless...

An Adaptive Phase Tracking Scheme of OFDM Wireless Communication System

Abstract:

This paper proposes a new phase tracking algorithm for the 802.11a system. Since this system illuminates the basic structure of 802.11a system, and introduces the OFDM frame generation principle based the transmitter, phase error estimation and channel estimation. On the basis of this, this paper presents a phase tracking scheme based on adaptive Kalman filter, and then simulates the process based on 802.11a system. The result indicates that the BER has been improved because of this adaptive phase tracking scheme.