An improved joint synchronization and channel estimation algorithm for MIMO-OFDM system

Authors:
Yun Li;Shiju Li;Zhiqiang Yi
Affiliations:
Dept. of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China;Dept. of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China;Dept. of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

This paper proposes an improved synchronization and channel estimation solution for multi-input multi-output orthogonal frequency division multiplex (MIMO-OFDM) system. We present a novel preamble design, on this basis, the performance of synchronization and channel estimation can be improved in an iterative way. Simulation results demonstrate that the proposed algorithm have a satisfactory performance even at low SNR in rich multipath, fast moving environment.