Preamble aided energy detection based synchronization in non-coherent UWB receivers

Synchronization is a significant performance-limiting factor in any communication system and a challenging task to accomplish. In this paper, an energy detection based on preamble non data aided (NDA) algorithm for impulse radio (IR) ultra wide-band (UWB) (IR-UWB) system is proposed. A simple preamble searching technique and tracking with energy detection enables synchronization. The algorithm remains functional under practical scenarios namely in the presence of inter-frame, intersymbol interference and multi-user interference (IFI and ISI and MUI). The simulation environment for IFI is carried out in the IEEE 802.15.3 channels, CM1 and the environment for ISI is chosen along CM4 channel. Simulation results are provided to demonstrate the performance of proposed algorithm. A comparative study of the same algorithm is further made with Timing with Dirty Template (TDT) and Timing with Code Matching (TCM) in terms of IFI, ISI and MUI environment.