Title :
Wavelet BEM based channel estimation over rapidly time-varying channels
Author :
Hua Yang ; Jian Xiong ; Suyue Li ; Lin Gui
Author_Institution :
Shanghai Jiao Tong Univ., Shanghai, China
Abstract :
This paper proposes a novel basis expansion model (BEM) to conduct channel estimation for single carrier single input single output (SC-SISO) systems over rapidly time-varying channels. Compared to complex exponential (CE) and polynomial BEM, wavelet BEM is less vulnerable to Doppler shift. Simulations show that the proposed wavelet BEM outperforms CE and polynomial BEM with about 2.5dB and 5.0dB respectively in terms of the mean square error-signal noise ratio (MSE-SNR) performance.
Keywords :
channel estimation; mean square error methods; wavelet transforms; CE BEM; MSE-SNR performance; basis expansion model; complex exponential BEM; mean square error-signal noise ratio performance; polynomial BEM; rapidly time-varying channels; single carrier single input single output systems; wavelet BEM based channel estimation; Broadband communication; Channel estimation; Doppler effect; Fading; Time-varying channels; Training; Wavelet transforms; Basis Expansion Model (BEM); channel estimation; time-varying channel; wavelet;
Conference_Titel :
Wireless Communications and Networking Conference Workshops (WCNCW), 2013 IEEE
Conference_Location :
Shanghai
Print_ISBN :
978-1-4799-0109-8
Electronic_ISBN :
978-1-4799-0108-1
DOI :
10.1109/WCNCW.2013.6533318
