An Adaptive Channel Estimation Method Based on Doppler Shift Estimation in mobile WIMAX

by: Liu Peizhi, Wu Xiaoguang, Zhang Weiqiang, Zhang Hao

Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on (2007), pp. 315-319.

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Abstract

An adaptive channel estimation method in 802. 16 e system, based on Doppler shift estimation, is proposed. The coherence time can be gotten through Doppler shift estimation. Then the time domain channel impulse response (CIR) gotten by least squares (LS) algorithm can be refined according to the correlation duration the coherence time. The simulation results in the frequency band of 2.4 GHz show that the proposed method achieves a good bit error rate (BER) performance according to the speed variance of the vehicles.

@inproceedings{citeulike:2709647, abstract = {An adaptive channel estimation method in 802. 16 e system, based on Doppler shift estimation, is proposed. The coherence time can be gotten through Doppler shift estimation. Then the time domain channel impulse response (CIR) gotten by least squares (LS) algorithm can be refined according to the correlation duration the coherence time. The simulation results in the frequency band of 2.4 GHz show that the proposed method achieves a good bit error rate (BER) performance according to the speed variance of the vehicles.}, author = {Peizhi, Liu and Xiaoguang, Wu and Weiqiang, Zhang and Hao, Zhang }, booktitle = {Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on}, citeulike-article-id = {2709647}, doi = {10.1109/ELMAGC.2007.4413494}, journal = {Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on}, keywords = {adaptive, channel, doppler, estimation, mobile, wimax}, pages = {315--319}, posted-at = {2008-04-23 18:53:51}, priority = {2}, title = {An Adaptive Channel Estimation Method Based on Doppler Shift Estimation in mobile WIMAX}, url = {http://dx.doi.org/10.1109/ELMAGC.2007.4413494}, year = {2007} }

RIS record

TY - CONF ID - citeulike:2709647 L3 - citeulike-article-id:2709647 TI - An Adaptive Channel Estimation Method Based on Doppler Shift Estimation in mobile WIMAX T2 - Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on JF - Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on SP - 315 EP - 319 N2 - An adaptive channel estimation method in 802. 16 e system, based on Doppler shift estimation, is proposed. The coherence time can be gotten through Doppler shift estimation. Then the time domain channel impulse response (CIR) gotten by least squares (LS) algorithm can be refined according to the correlation duration the coherence time. The simulation results in the frequency band of 2.4 GHz show that the proposed method achieves a good bit error rate (BER) performance according to the speed variance of the vehicles. KW - adaptive KW - channel KW - doppler KW - estimation KW - mobile KW - wimax AU - Peizhi, Liu AU - Xiaoguang, Wu AU - Weiqiang, Zhang AU - Hao, Zhang PY - 2007/// UR - http://dx.doi.org/10.1109/ELMAGC.2007.4413494 ER -

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