A frequency domain equalization algorithm for fast time-varying fading channels. Tran, L., N., Hong, E., K., & Liu, H. Journal of Communications and Networks, 11(5):473-479, IEEE, 10, 2009. Paper Website abstract bibtex Conventional frequency domain equalization (FDE) schemes were originally devised for quasi-static channels. Thus, such equalization schemes could suffer from significant performance degradation in fast-fading channels. This paper proposes a frequency domain equalization algorithm to mitigate the effect of fast time-varying fading. First, a mathematical expression is derived to quantify the total interference resulting from the time variation of the channel. Then, the proposed approach attempts to eliminate the effect of time-variations of the channel. This cancellation allows efficient use of the classical FDE structures in fast time-varying fading environments, although they are built upon the quasi-static channel model. Simulation results of bit-error-rate performance are provided to demonstrate the effectiveness of the proposed algorithm.
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title = {A frequency domain equalization algorithm for fast time-varying fading channels},
type = {article},
year = {2009},
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keywords = {Cancellation,Direct sequence code division multiple access (DS-,Fast time-varying fading channels,Frequency domain equalization (FDE)},
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abstract = {Conventional frequency domain equalization (FDE) schemes were originally devised for quasi-static channels. Thus, such equalization schemes could suffer from significant performance degradation in fast-fading channels. This paper proposes a frequency domain equalization algorithm to mitigate the effect of fast time-varying fading. First, a mathematical expression is derived to quantify the total interference resulting from the time variation of the channel. Then, the proposed approach attempts to eliminate the effect of time-variations of the channel. This cancellation allows efficient use of the classical FDE structures in fast time-varying fading environments, although they are built upon the quasi-static channel model. Simulation results of bit-error-rate performance are provided to demonstrate the effectiveness of the proposed algorithm.},
bibtype = {article},
author = {Tran, Le Nam and Hong, Een Kee and Liu, Huaping},
journal = {Journal of Communications and Networks},
number = {5}
}
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