Results 91 to 100 of about 14,760 (220)

Massive MIMO Optimization With Compatible Sets [PDF]

IEEE Transactions on Wireless Communications, 2019
Massive multiple-input multiple-output (MIMO) is expected to be a vital component in future 5G systems. As such, there is a need for new modeling in order to investigate the performance of massive MIMO not only at the physical layer, but also higher up the networking stack.
Emma Fitzgerald, Michal Pióro, Fredrik Tufvesson   +2 more
openaire   +2 more sources

Millimeter‐Wave Antennas: A Comprehensive State‐of‐the‐Art Review of Design Approaches, Operating Bands, Challenges, and Applications in Body‐Centric and Emerging Systems

Radio Science, Volume 61, Issue 5, May 2026.
Abstract This paper reviews and classifies more than 120 recent contributions on millimeter‐wave (mm‐wave) antennas, with emphasis on their operating bands, design methods, and application domains. It surveys the main mm‐wave frequency ranges and their use in 5G/6G communications, radar and sensing, biomedical and body‐centric systems, imaging, and ...
Sarra Khacha, Chemseddine Zebiri, Mohammad Alibakhshikenari, Djamel Sayad, Issa Elfergani, Muhammad Akmal Chaudhary, Nisar Ahmad Abbasi, Arpan Desai, Jonathan Rodriguez, Takfarinas Saber, Ernesto Limiti   +10 more
wiley   +1 more source

Monolithic Silicon‐Photonics Sign‐Sign Dot‐Product Circuits Toward Artificial Intelligence and Multiple‐Input Multiple‐Output Accelerators

Nanophotonics, Volume 15, Issue 8, 24 April 2026.
This research leverages advanced monolithic silicon‐photonics integrated‐circuit manufacturing technology with strategic electrical‐to‐optical signal conversions, differential intensity‐modulation technique, and dual rail‐to‐rail photodetection architecture to realize an on‐chip photonic‐electronic sign‐sign dot‐product accelerator achieving 8.92‐Gb/s ...
Sumilak Chaudhury, Karl Johnson, Nikola Alic, Bill Lin, Yeshaiahu Fainman, Tzu‐Chien Hsueh   +5 more
wiley   +1 more source

Massive MU-MIMO-OFDM Uplink with Hardware Impairments: Modeling and Analysis

, 2018
\ua9 2018 IEEE. We study the impact of hardware impairments at the base station (BS) of an orthogonal frequency-division multiplexing (OFDM)-based massive multiuser (MU) multiple-input multiple-output (MIMO) uplink system.
Gustavsson, Ulf, Gustavsson, Ulf,, Durisi, Giuseppe,, Studer, Christoph, Studer, Christoph,, Jacobsson, Sven, Durisi, Giuseppe, Jacobsson, Sven,   +7 more
core   +1 more source

Taxonomy of IMT Interference on Aeronautical Systems

Radio Science, Volume 61, Issue 4, April 2026.
Abstract The rapid deployment of 5G and future 6G networks has raised concerns about interference with critical aeronautical systems, particularly radio altimeters and Wireless Avionics Intra‐Communications (WAIC). This paper offers a comprehensive taxonomy of the 5G/6G signal interference mechanisms, operational impacts, and mitigation strategies in ...
Valéria C. M. N. Leite, Alison Moraes
wiley   +1 more source

Development of Efficient Orthogonal Space Time Block Coding in Massive MIMO Systems

The fifth generation (5G) of wireless networks is cantered on meeting soaring data demands through innovative technologies, among which multiple-input multiple-output (MIMO) systems have emerged as pivotal.
Derbash, M.
core   +1 more source

Joint user grouping and antenna selection based massive MIMO beamforming

Dianxin kexue, 2016
In massive MIMO systems，when the number of users is larger as that of antennas at base station（BS），the various channels may be significantly different.A new zero-forcing beamformer design algorithm was proposed based on joint user grouping and antenna ...
Qian WANG, Quan HUA, Yingchao ZHOU, Bin SHEN   +3 more
doaj   +2 more sources

Engineered Optical Fibers for Deep‐Tissue Applications

Advanced Optical Materials, Volume 14, Issue 10, 13 March 2026.
This review establishes a foundational framework for designing optical fibers for deep‐tissue medicine. It systematically links material innovations like polymers and hydrogels with structural paradigms to enable state‐of‐the‐art diagnostics, including endoscopy and biosensing, and targeted therapeutics, guiding future clinical translation.
Yuzhen Li, Siyang Zheng, Wenzhao Li, Kai Chen, Tianting Zhong, Chi Man Woo, Weiran Pang, Chuqi Yuan, Xiaozhou Xiao, Xianguang Yang, Long Jin, Xiang Qian, Qiyao Tan, Changyuan Yu, Liwei Liu, Junle Qu, Puxiang Lai   +16 more
wiley   +1 more source

Massive MIMO in 5G Networks: Selected Applications [PDF]

, 2018
This SpringerBrief focuses mainly on the basic theory and applications of massive MIMO in 5G networks. The significance of massive MIMO for 5G or future communications is first briefly discussed.
Xiang, Wei, Long Zhao, Kan Zheng, Zheng, Kan, Zhao, Hui, Hui Zhao, Zhao, Long, Wei Xiang   +7 more
core   +1 more source

An overview of the CSI feedback based on deep learning for massive MIMO systems

物联网学报, 2020
The massive multiple-input multiple-output (MIMO) technology is considered to be one of the core technologies of the next generation communication system.To fully utilize the potential gains of MIMO systems,the base station should accurately acquire the ...
Muhan CHEN, Jiajia GUO, Xiao LI, Shi JIN
doaj   +2 more sources