Composite pulse-multipath channel estimation for IR-UWB communication system

Authors:
Liu Zhiyong;Zhang Qinyu;Zhang Naitong
Affiliations:
Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, China;Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, China;School of Electronic and Information Technology, Harbin Institute of Technology, Harbin, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

In this paper, we develop a composite pulse-multipath channel estimation approach for impulse radio-ultra wideband (IR-UWB) system. The approach is realized by means of the nearest neighbor (NN) estimation algorithm. This reconstructed signal is subsequently used as a reference template in a correlator-based detector. The bit error rate (BER) performance of the proposed approach is analyzed and compared to that of traditional correlator-based detector. Extensive simulations show that for different propagation scenarios and transfer rates, detectors based on NN composite pulse-multipath channel estimation outperform traditional correlator-based detector.