Fast-Convergence Singular Value Decomposition for Tracking Time-Varying Channels in Massive MIMO Systems

Pei Yun Tsai, Yi Chang, Jian Lin Li

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

A fast-convergence singular value decomposition (SVD) algorithm is developed for tracking time-varying channels in massive MIMO precoding/beamforming systems. Since only strong eigen-modes are selected for data transmission in these systems, our SVD algorithm exploits the properties of partial decomposition and temporal correlation. Besides, the proposed self-adjusting inverse power method can achieve fast convergence by modifying the shift according to the intermediate result during each iteration. Furthermore, the singular vectors and values of the desired eigenmodes can be computed simultaneously. Thus, parallel processing is possible to facilitate high-throughput implementation. Compared to the self-power method with super linear convergence, the self-adjusting inverse power method has better convergence and lower complexity. Good channel tracking capability is also demonstrated.

原文???core.languages.en_GB???
主出版物標題2018 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2018 - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
頁面1085-1089
頁數5
ISBN(列印)9781538646588
DOIs
出版狀態已出版 - 10 9月 2018
事件2018 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2018 - Calgary, Canada
持續時間: 15 4月 201820 4月 2018

出版系列

名字ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
2018-April
ISSN(列印)1520-6149

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???event.eventtypes.event.conference???2018 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2018
國家/地區Canada
城市Calgary
期間15/04/1820/04/18

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