Abstract

Iterative receiver techniques provide a powerful tool to enhance receiver performance and are gradually becoming the norm in modern communication systems. In this paper, we investigate the impact of using iterative frame synchronization in a coded packet communication system in terms of false acquisition probability (FAP), mean squared channel estimation error (MSCEE), un-coded bit error rate (BER) and block error rate (BLER) under additive white Gaussian noise (AWGN) and frequency-selective channels. Our simulations show substantial FAP and MSCEE gains and moderate BER and BLER gains. We also propose a new low-complexity optimized inner iteration technique that offers performance gains close to those achieved by the more demanding outer iterations.

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