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- W2110961808 abstract "In this paper, we propose an ordered selection technique to improve the performance of the decision-directed RLS adaptive channel tracking algorithm in 2 × 2 spatial-multiplexing MIMO-OFDM systems under high mobility. The proposed technique uses the decision of high reliability order during MIMO signal detection and then selectively activates the RLS adaptation only when less interference and error will be generated if a wrong decision is still made. Simulation results show that the channel tracking accuracy of the proposed approach outperforms the 2D-RLS algorithm and the conventional linear interpolation algorithm. Moreover, we also show that both ordering and selection are effective and necessary to greatly suppress the error propagation and coefficient misadjustment. With the proposed technique, the system performance has obvious SNR improvements." @default.
- W2110961808 created "2016-06-24" @default.
- W2110961808 creator A5043153736 @default.
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- W2110961808 date "2009-11-01" @default.
- W2110961808 modified "2023-10-18" @default.
- W2110961808 title "An RLS channel tracking algorithm with an ordered selection technique for MIMO-OFDM systems in time-selective fading channels" @default.
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- W2110961808 doi "https://doi.org/10.1109/wcsp.2009.5371419" @default.
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