NDLI: Diversity-multiplexing tradeoff coordinated block-diagonalization precoding

Content Provider	IEEE Xplore Digital Library
Author	Linan Sun Xuejun Sha Zhun Ye Zhongzhao Zhang
Copyright Year	2011
Description	Author affiliation: Communication Research Center, Harbin Institute of Technology, China (Linan Sun; Xuejun Sha; Zhun Ye; Zhongzhao Zhang)
Abstract	A kind of diversity-multiplexing tradeoff coordinated block-diagonalization precoding structure is obtained, based on the study of several multi-cell MIMO downlink joint transmission algorithms. Simulation results show that performance of coordinated JT-BD outperforms JT-ZF and JT-MMSE, close to single cell interference-free upper bound. It can effectively eliminate inter-cell interference and greatly improve spectral efficiency. Furthermore, spectral efficiency of 4 × 2 antenna structure is between 2 × 2 and 4 × 4 structure. However, because of the full use of macro diversity, CDF curve of 4 × 2 structure is much steeper, especially at lower SNR, so it can improve users' fairness. In addition, compared with 4 × 4 structure, its receiver complexity and overhead can be greatly reduced. Therefore, the unsymmetrical structure including 4 × 2, which can obtain tradeoff between diversity and multiplexing, is an excellent and more reasonable coordinated structure.
Starting Page	123
Ending Page	126
File Size	244202
Page Count	4
File Format	PDF
ISBN	9781457701009
e-ISBN	9781457701016
DOI	10.1109/ChinaCom.2011.6158132
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Base stations Transmitting antennas macro diversity Receiving antennas joint transmission MIMO base station coordination precoding interference cancellation Signal to noise ratio
Content Type	Text
Resource Type	Article

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