MIMO-OTFS in High-Doppler Fading Channels: Signal Detection and Channel Estimation
作者： A. Chockalingam , M. Kollengode Ramachandran
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摘要: Orthogonal time frequency space (OTFS) modulation is a recently introduced multiplexing technique designed in the 2-dimensional (2D) delay-Doppler domain suited for high-Doppler fading channels. OTFS converts doubly-dispersive channel into an almost non-fading through series of 2D transformations. In this paper, we focus on MIMO-OTFS which brings high spectral and energy efficiency benefits MIMO robustness The channel-symbol coupling sparse impulse response enable efficient estimation Doppler environments. We present iterative algorithm signal detection based message passing scheme MIMO-OTFS. proposed uses impulses as pilots estimation. also compare performance with that MIMO-OFDM under scenarios.
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harvard.edu参考文章(16)
F Hlawatsch, G Matz, Eds., None, Wireless Communications Over Rapidly Time-Varying Channels Academic Press, an imprint of Elsevier. ,(2011)
Donald C. Cox, William C. Jakes, Microwave Mobile Communications ,(1975)
T. Strohmer, S. Beaver, Optimal OFDM design for time-frequency dispersive channels IEEE Transactions on Communications. ,vol. 51, pp. 1111- 1122 ,(2003) , 10.1109/TCOMM.2003.814200
Alexander Fish, Shamgar Gurevich, Ronny Hadani, Akbar M. Sayeed, Oded Schwartz, Delay-Doppler Channel Estimation in Almost Linear Complexity IEEE Transactions on Information Theory. ,vol. 59, pp. 7632- 7644 ,(2013) , 10.1109/TIT.2013.2273931
Fang-ming Han, Xian-da Zhang, Wireless multicarrier digital transmission via weyl-heisenberg frames over time-frequency dispersive channels IEEE Transactions on Communications. ,vol. 57, pp. 1721- 1733 ,(2009) , 10.1109/TCOMM.2009.06.070406
Y.G. Li, J.H. Winters, N.R. Sollenberger, MIMO-OFDM for wireless communications: signal detection with enhanced channel estimation IEEE Transactions on Communications. ,vol. 50, pp. 1471- 1477 ,(2002) , 10.1109/TCOMM.2002.802566
Tiejun Wang, J.G. Proakis, E. Masry, J.R. Zeidler, Performance degradation of OFDM systems due to Doppler spreading IEEE Transactions on Wireless Communications. ,vol. 5, pp. 1422- 1432 ,(2006) , 10.1109/TWC.2006.1638663
Michail Tsatsanis, Ronny Hadani, Shlomo Rakib, Anton Monk, OTFS - Orthogonal Time Frequency Space. arXiv: Information Theory. ,(2016)
R. Hadani, S. Rakib, M. Tsatsanis, A. Monk, A. J. Goldsmith, A. F. Molisch, R. Calderbank, Orthogonal Time Frequency Space Modulation wireless communications and networking conference. pp. 1- 6 ,(2017) , 10.1109/WCNC.2017.7925924
Yunlong Cai, Hua Wei, Li Li, Yao Huang, Peng Li, Yao Yao, Gong Chen, Weiwei Ling, A Simple Two-stage Equalizer With Simplified Orthogonal Time Frequency Space Modulation Over Rapidly Time-varying Channels. arXiv: Information Theory. ,(2017)