Results 11 to 20 of about 492,329 (262)
Decoupling Channel Estimation for FDD Massive MIMO Systems Utilizing Joint Sparsity
IEEE Access, 2020 Effective channel estimation for massive multiple-input-multiple-output (MIMO) systems based on frequency division duplex (FDD) protocol is a crucial problem.
Xiangyu Yan +3 more
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Joint Mutual Coherence and Total Coherence Pilot Design for OFDM Channel Estimation
IEEE Access, 2019 Existing works design the pilot based on the mutual coherence criterion or total coherence criterion alone. However, using the mutual coherence criterion or total coherence criterion alone to design the pilot will yield the sensing matrix which ...
Shenyang Xiao +4 more
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Glide performance analysis of underwater glider with sweep wings inspired by swift
Frontiers in Marine Science, 2022 Underwater glider (UG) is one of the most promising autonomous observation platforms for long-term ocean observation, which can glide through seawater columns by adjusting its buoyancy and attitude. Hydrodynamic shape, especially the wing parameters, has
Yanhui Wang +8 more
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The Pilot Design Studio Classroom [PDF]
2001 Annual Conference Proceedings, 2020 Comment: 19 ...
Joseph Cataldo, Gerardo Del Cerro
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Multiuser Massive MIMO Systems With Time-Offset Pilots and Successive Interference Cancellation
IEEE Access, 2019 This paper proposes time-offset pilots for a single-cell multiuser massive multiple-input multiple-output (MIMO) system and studies its performance under the minimum mean-squared error channel estimator and successive interference cancellation.
The Khai Nguyen +2 more
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Ocean Plankton Biomass Estimation with a Digital Holographic Underwater Glider
Journal of Marine Science and Engineering, 2022 Accurate quantitative plankton observation is significant for biogeochemistry and environmental monitoring. However, current observation equipment is mostly shipborne, and there is a lack of long-term, large-scale, and low-cost methods for plankton ...
Yingjie Wang +6 more
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IEEE Access, 2016 Channel estimation in the presence of pilot contamination-induced inter-cell interference (ICI) is a major challenge in large-scale multiple-input multiple-output (LS-MIMO) systems.
Tiejun Lv, Shaoshi Yang, Hui Gao
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Double Attention for Multi-Label Image Classification
IEEE Access, 2020 Multi-label image classification is an essential task in image processing. How to improve the correlation between labels by learning multi-scale features from images is a very challenging problem.
Haiying Zhao +3 more
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Pilot Design based on Binary Code Multi-pilot Search
Guangtongxin yanjiu, 2022 To solve the sparse channel estimation problem in Orthogonal Frequency Division Multiplexing (OFDM) systems, this paper presents a pilot design algorithm based on multi-pilot parallel searching and binary coding.
Hai-yan HUANG +4 more
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Sparse Channel Estimation for Massive MIMO-OFDM Systems Over Time-Varying Channels
IEEE Access, 2018 For downlink orthogonal frequency division multiplexing-based massive multiple-input-multiple-output transmission over the time-varying channel, channel estimation is very challenging due to numerous channel coefficients to be estimated.
Qibo Qin, Lin Gui, Bo Gong, Sheng Luo
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