Results 151 to 160 of about 6,839,717 (234)

Dimensionality reduced antenna array for beamforming/steering. [PDF]

Commun Eng
Xia S, Zhao M, Ma Q, Zhang X, Yang L, Pi Y, Chung H, Li F, Reniers A, Koonen AMJ, Cao Z.   +10 more
europepmc   +1 more source

Decoupling in a joint communication and sensing system with metasurface. [PDF]

Sci Rep
Zhang Z, Zhang Z, Ren Z, Hu Z.
europepmc   +1 more source

Massive MIMO joint beamforming and power allocation via LMS with narwhal lemming optimization and fractional ResNeXt-based control. [PDF]

Sci Rep
Kamal MM, Yinsheng L, Ma T, Samkari HS, Allehyani MF, Sheraz M, Khushik MHAK, Qatawneh M, Chuah TC.   +8 more
europepmc   +1 more source

A deep reinforcement learning integrated aerial RIS system for enhanced combat intelligence. [PDF]

Sci Rep
Kamal MM, Abideen SZU, Ahmad S, Husein A, Ullah K, Alfarraj O, Alblehai F, Sheraz M, Chuah TC.   +8 more
europepmc   +1 more source

SINR-Based User Clustering for Downlink NOMA Systems with Limited Channel Information. [PDF]

Sensors (Basel)
Kim W, Nguyen NT, Jeon T.
europepmc   +1 more source

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Wideband Monostatic Co-Horizontally Polarized Simultaneous Transmit and Receive Antenna Subsystem With Integrated Beamforming Network

IEEE Transactions on Antennas and Propagation, 2022
A wideband monostatic simultaneous transmit and receive (STAR) antenna subsystem with high isolation and Co-horizontally polarized (Co-HP) omnidirectional radiation is presented. The antenna subsystem consists of a STAR antenna and a beamforming network (
D. Wu, Ruina Lian, Bing Xiao, Bo Wang, Min Li, Yujiang Wu, K. Yeung   +6 more
semanticscholar   +1 more source

Broadband 1×8 Optical Beamforming Network Based on Anti-resonant Microring Delay Lines

Journal of Lightwave Technology, 2022
We demonstrate a 1×8 binary tree optical beamforming network (OBFN) chip for a microwave photonic phased array antenna. The OBFN is formed by cascading multiple microring resonators (MRRs) working at the anti-resonant wavelengths.
Hanwei Sun, Liangjun Lu, Y. Liu, Ziheng Ni, Jianping Chen, Linjie Zhou   +5 more
semanticscholar   +1 more source

2–2.2 GHz Reconfigurable 1 × 4 Filtering Beamforming Network Using Novel Filtering Switch-Coupler and Twisted Rat-Race Coupler

IEEE transactions on microwave theory and techniques, 2022
In this article, a reconfigurable 1 $\times $ 4 filtering beamforming network using a novel filtering switch coupler and twisted broadband rat-race coupler is proposed.
Junchen Lai, Tao Yang, P. Chi, R. Xu
semanticscholar   +1 more source

A Causal U-Net Based Neural Beamforming Network for Real-Time Multi-Channel Speech Enhancement

Interspeech, 2021
People are meeting through video conferencing more often. While single channel speech enhancement techniques are useful for the individual participants, the speech quality will be sig-nificantly degraded in large meeting rooms where the far-field and ...
Xinlei Ren, Xu Zhang, Lianwu Chen, Xiguang Zheng, Chen Zhang, Liang Guo, Bin Yu   +6 more
semanticscholar   +1 more source

A Neural Beamforming Network for B-Format 3D Speech Enhancement and Recognition

International Workshop on Machine Learning for Signal Processing, 2021
Multi-channel speech enhancement is gaining increasing interest in recent years. By combining the beamforming framework with the deep neural network, significant improvement on speech enhancement performance has been achieved.
Xinlei Ren, Lianwu Chen, Xiguang Zheng, Chenglin Xu, Xu Zhang, Chen Zhang, Liang Guo, Bin Yu   +7 more
semanticscholar   +1 more source