Results 11 to 20 of about 6,839,717 (234)
Fast Wideband Beamforming Using Convolutional Neural Network
Remote Sensing, 2023 With the wideband beamforming approaches, the synthetic aperture radar (SAR) could achieve high azimuth resolution and wide swath. However, the performance of conventional adaptive wideband time-domain beamforming is severely affected as the received ...
Xun Wu +4 more
doaj +3 more sources
IEEE Access, 2020 Coordinated beamforming is very efficient at managing interference in ultra dense network. However, the optimal strategy remains as a challenge task to obtain due to the coupled nature among densely and autonomously deployed cells.
Changyin Sun, Zhao Shi, Fan Jiang
doaj +3 more sources
MMU-STCNN-BDQ: a deep reinforcement learning framework for secure and energy-efficient beamforming in 6G mMIMO networks [PDF]
Scientific ReportsTo achieve energy-efficient and secure beamforming in 6G massive MIMO networks, especially in millimeter-wave (mmWave) bands. This research work introduces a hybrid framework utilizing the Massive Multi-User Spatiotemporal Convolutional Neural Network ...
Kama Ramudu +5 more
doaj +2 more sources
IEEE Access, 2017 We study the total transmit power minimization problem for a two-way relay network under two constraints on the transceivers' received signal-to-noise-ratios.
Razgar Rahimi, Shahram Shahbazpanahi
doaj +3 more sources
A unified AI-driven framework for quantum-secured 6G THz networks with intelligent reflecting surfaces and federated edge learning [PDF]
Scientific ReportsThe main contribution of this manuscript is an innovative framework for integrating Artificial Intelligence (AI) in 6G wireless systems. With increased complexity, including bursty traffic, network complexity, and dynamic variability, there is a need for
C. G. Balaji +3 more
doaj +2 more sources
A deep learning driven hybrid beamforming method for millimeter wave MIMO system
Digital Communications and Networks, 2023 The hybrid beamforming is a promising technology for the millimeter wave MIMO system, which provides high spectrum efficiency, high data rate transmission, and a good balance between transmission performance and hardware complexity.
Jienan Chen +5 more
doaj +1 more source
Multi-Beam 5G Antenna With Miniaturized Butler Matrix Using Stacked LTCC
IEEE Access, 2023 In this work, we present a compact four-direction beamforming 5G antenna based on a stacked $4\times4$ Butler matrix and a microstrip patch array antenna.
Jaewoong Jung +2 more
doaj +1 more source
A Review of Multibeam Phased Array Antennas as LEO Satellite Constellation Ground Station
IEEE Access, 2021 Small satellites in low Earth orbit (LEO) are typically organized as a satellite constellation. The satellite number of a LEO satellite constellation would be several hundred or even tens of thousands to realize a fully global coverage.
Guolong He +3 more
doaj +1 more source
IEEE Access, 2022 Beamforming is the fundamental concept of wireless communications to serve several users through multiple-antenna transceivers. The advent of massive multiple-input multiple-output (MIMO) systems leads to an investigation into beamforming to reach ...
Jamal Beiranvand +3 more
doaj +1 more source
Intelligent Reflecting Surface Enhanced Wireless Network via Joint Active and Passive Beamforming [PDF]
IEEE Transactions on Wireless Communications, 2018 Intelligent reflecting surface (IRS) is a revolutionary and transformative technology for achieving spectrum and energy efficient wireless communication cost-effectively in the future.
Qingqing Wu, Rui Zhang
semanticscholar +1 more source