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- W2358966346 abstract "An adaptive H∞ filter is proposed for time-varying channel estimation of the multi-input multi-output orthogonal frequency division multiplexing(MIMO-OFDM) wireless communication systems based on H∞ filtering theory.Mainly on the H∞ filtering principle,a dynamic system is formulated firstly,whose inputs are unknown disturbances including noise and model error,output is the channel estimation error.Then,making the H∞ norm of this dynamic system as a cost function,an adaptive H∞ filtering algorithm is proposed whose criterion is to guarantee that the worst-cast effect of disturbance on channel estimation error is smaller than a given boundary(called disturbance level),which is adaptively updating on the signal-noise-ratio of the current wireless system.Since any assumption on the noise distribution is not make in the proposed adaptive H∞ filter,the good channel estimation performance can be achieved even in the non-Gaussian noise.Simulation results show the effectiveness of the algorithm." @default.
- W2358966346 created "2016-06-24" @default.
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- W2358966346 date "2013-01-01" @default.
- W2358966346 modified "2023-09-26" @default.
- W2358966346 title "Time-varying Channel Estimation of MIMO-OFDM Wireless Systems Based on Adaptive H_∞ Filter" @default.
- W2358966346 hasPublicationYear "2013" @default.
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