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A Differential Cross-Correlation Cell Search Algorithm for IEEE 802.16e OFDMA Systems

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4 Author(s)
Juinn-Horng Deng ; Dept. of Commun. Eng., Yuan Ze Univ., Chungli, Taiwan ; Shun-Hsiung Chang ; Jeng-Kuang Hwang ; Shu-Min Liao

A differential cross-correlation cell ID identification algorithm is proposed for IEEE 802.16e OFDMA cellular system. First, we construct the downlink (DL) preamble structure and signal model with carrier frequency offset (CFO) and channel effects. Next, in order to achieve the initial synchronization, a differential receiver with cross correlation for all preamble patterns is proposed to search cell ID. Simulation results confirm that the proposed structure is suitable for ITU fading channels and outperforms the conventional cell search system.

Published in:

Vehicular Technology Conference (VTC 2010-Spring), 2010 IEEE 71st

Date of Conference:

16-19 May 2010