Optimal and Suboptimal Synchronization Schemes for Ultra-Wideband Systems
The conventional ultra-wideband (UWB) synchronization schemes could cause poor performance in receiver operations such as demodulation after the synchronization, since unreliable timing information corresponding to low-power multipath components might be transferred to the next stage. To solve this problem, in this paper, we propose novel synchronization schemes for UWB systems. We first derive an optimal scheme based on the maximum likelihood (ML) criterion and then develop a simpler suboptimal scheme. Simulation results show that both proposed schemes provide a better synchronization performance over the conventional scheme.
KeywordsMaximum likelihood (ML) Optimal Suboptimal Synchronization Ultra-wideband (UWB)
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