Results 11 to 20 of about 639,489 (294)
A Tutorial on Extremely Large-Scale MIMO for 6G: Fundamentals, Signal Processing, and Applications [PDF]
IEEE Communications Surveys and Tutorials, 2023 Extremely large-scale multiple-input-multiple-output (XL-MIMO), which offers vast spatial degrees of freedom, has emerged as a potentially pivotal enabling technology for the sixth generation (6G) of wireless mobile networks.
Zhe Wang +8 more
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Channel Estimation for Extremely Large-Scale MIMO: Far-Field or Near-Field? [PDF]
IEEE Transactions on Communications, 2021 Extremely large-scale multiple-input-multiple-output (XL-MIMO) is promising to meet the high rate requirements for future 6G. To realize efficient precoding, accurate channel state information is essential. Existing channel estimation algorithms with low
Mingyao Cui, L. Dai
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A Tutorial on Near-Field XL-MIMO Communications Toward 6G [PDF]
IEEE Communications Surveys and Tutorials, 2023 Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for the sixth-generation (6G) mobile communication networks. By significantly boosting the antenna number or size to at least an order of magnitude beyond current ...
Haiquan Lu +11 more
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Massive MIMO for next generation wireless systems [PDF]
IEEE Communications Magazine, 2013 Multi-user MIMO offers big advantages over conventional point-to-point MIMO: it works with cheap single-antenna terminals, a rich scattering environment is not required, and resource allocation is simplified because every active terminal utilizes all of ...
E. Larsson +3 more
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Scaling Up MIMO: Opportunities and Challenges with Very Large Arrays [PDF]
IEEE Signal Processing Magazine, 2012 Multiple-input multiple-output (MIMO) technology is maturing and is being incorporated into emerging wireless broadband standards like long-term evolution (LTE) [1].
F. Rusek +6 more
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Cell-Free Massive MIMO Versus Small Cells [PDF]
IEEE Transactions on Wireless Communications, 2016 A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large number of distributed access points (APs), which simultaneously serve a much smaller number of users over the same time/frequency resources based on directly measured
H. Ngo +4 more
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Foundations of User-Centric Cell-Free Massive MIMO [PDF]
Foundations and Trends® in Signal Processing, 2020 Imagine a coverage area where each mobile device is communicating with a preferred set of wireless access points (among many) that are selected based on its needs and cooperate to jointly serve it, instead of creating autonomous cells.
Ozlem Tugfe Demir +2 more
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Delay-Phase Precoding for Wideband THz Massive MIMO [PDF]
IEEE Transactions on Wireless Communications, 2021 Benefiting from tens of GHz of bandwidth, terahertz (THz) communication has become a promising technology for future 6G network. To deal with the serious propagation loss of THz signals, massive multiple-input multiple-output (MIMO) with hybrid precoding
L. Dai, Jingbo Tan, Zhi Chen, H. Poor
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MIMO Broadcasting for Simultaneous Wireless Information and Power Transfer [PDF]
IEEE Transactions on Wireless Communications, 2011 Wireless power transfer (WPT) is a promising new solution to provide convenient and perpetual energy supplies to wireless networks. In practice, WPT is implementable by various technologies such as inductive coupling, magnetic resonate coupling, and ...
Rui Zhang, Chin Keong Ho
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Spatially Sparse Precoding in Millimeter Wave MIMO Systems [PDF]
IEEE Transactions on Wireless Communications, 2013 Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications and all cellular systems.
Omar El Ayach +4 more
semanticscholar +1 more source