Symbol timing synchronization algorithms for wireless LAN systems in multipath channels

Abstract

In this paper, efficient symbol timing synchronization algorithms for IEEE 802.11 a/g wireless LAN systems in multipath channels are proposed. For improved accuracy, the algorithms utilize an effectively elongated training symbol together with nonlinear soft-limiting of the correlator output. The algorithms allow efficient utilization of the guard interval in multipath channels. Simulation results show that the proposed algorithms significantly outperform conventional algorithms.