Abstract
In this paper, a blind demodulation scheme for chirp-binary orthogonal keying (BOK)-ultra wide band (UWB) system was proposed based on matching pursuit (MP) algorithm. The scheme was validated in additive white Gaussion noise (AWGN) and indoor multi-path channels that suggested by the IEEE P802.15 criterion. From the simulation results, it shows that the performance of the proposed MP method is consistent well with that of the traditional coherent method in communication circumstance with high quality requirement, and the performance difference of MP method and coherent method is less than 0.8 dB when the bit error rate (BER) is set as 0.001. As the requested BER getting small, the MP method has a comparable performance with the coherent method. It also presented an efficient way for spectrum sharing with other communication systems.
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