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| Title: | Iterative Time-Domain-Based Sparse Channel Estimation for IEEE 802.22 |
| Authors: | Bishnu, Abhijeet Bhatia, Vimal |
| Keywords: | Iterative methods;Mean square error;Orthogonal frequency division multiplexing;Adaptive thresholding;Cross correlations;IEEE 802.22;Iterative algorithm;Least mean squares;Mean-square-error performance;Received signals;Sparse channel estimations;Channel estimation |
| Issue Date: | 2017 |
| Publisher: | Institute of Electrical and Electronics Engineers Inc. |
| Citation: | Bishnu, A., & Bhatia, V. (2017). Iterative time-domain-based sparse channel estimation for IEEE 802.22. IEEE Wireless Communications Letters, 6(3), 290-293. doi:10.1109/LWC.2017.2675419 |
| Abstract: | This letter proposes an iterative algorithm for sparse channel estimation for IEEE 802.22-based communication system in time-domain. The proposed algorithm initially estimates the active channel taps with the help of cross-correlation of received signal and transmitted preamble. Then an iterative algorithm comprised of adaptive thresholding and least mean square is used in time domain for sparse channel estimation. A modified Wiener filter for sparse channel is used to validate the mean square error performance of the proposed algorithm. Simulation results for various standardized sparse channel models show robustness of the proposed algorithm over others. © 2012 IEEE. |
| URI: | https://doi.org/10.1109/LWC.2017.2675419 https://dspace.iiti.ac.in/handle/123456789/5951 |
| ISSN: | 2162-2337 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Electrical Engineering |
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