Results 81 to 90 of about 1,722,156 (269)
Spatially Sparse Precoding in Millimeter Wave MIMO Systems
, 2013 Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications.
Abu-Surra, Shadi +4 more
core +1 more source
Secure RIS-Assisted Hybrid Beamforming Design With Low-Resolution Phase Shifters
IEEE Transactions on Wireless CommunicationsThe low-resolution reality of the hardware elements associated with massive mmWave antenna or reflector arrays is associated with the performance degradation of the wireless link when it is not properly controlled.
S. Pala +5 more
semanticscholar +1 more source
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT This study analyzes the architecture of the beyond 5G‐NTN (Non‐terrestrial Network) integrated network and presents the technical, legal, and regulatory challenges and considerations for expanding the Artificial Intelligence of Things (AIoT) ecosystem.
Byung Woon Kim, Ga Eun Choi
wiley +1 more source
Spectral Efficiency of mmWave Massive MIMO Systems with Hybrid Beamforming
Wasit Journal of Engineering SciencesMillimeter wave communications (mmWave) has been considered a key enabling technique for 5G systems since it offers orders of magnitude more spectrum than current frequency bands.
Sajjad Kadhim +5 more
doaj +1 more source
Channel Estimation and Hybrid Precoding for Millimeter Wave Cellular Systems
, 2014 Millimeter wave (mmWave) cellular systems will enable gigabit-per-second data rates thanks to the large bandwidth available at mmWave frequencies. To realize sufficient link margin, mmWave systems will employ directional beamforming with large antenna ...
Alkhateeb, Ahmed +3 more
core +1 more source
Regularized Zero-Forcing Aided Hybrid Beamforming for Millimeter-Wave Multiuser MIMO Systems
IEEE Transactions on Wireless Communications, 2023 This paper considers hybrid beamforming consisting of analog beamforming (ABF) coupled with digital baseband beamforming (DBF) which is designed for multi-user (MU) multiple input multiple output (MIMO) millimeter-wave (mmWave) communications. ABF uses a
Hongwen Yu +4 more
semanticscholar +1 more source
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT As non‐terrestrial networks (NTNs) become integral to future 6G systems, ensuring seamless connectivity and service continuity over low Earth orbit (LEO) satellite constellations is essential. This work investigates the impact of open radio access network (RAN) functional splits on handover performance in NTNs, focusing on minimizing service ...
Siva Satya Sri Ganesh Seeram +3 more
wiley +1 more source
Deep Learning-based Compensation for Doppler Shifts in Hybrid Beamforming for mmWave Communication
Journal of Telecommunications and Information TechnologyMillimeter-wave (mmWave) communication is a key enabler of 5G and future wireless systems, providing vast bandwidth for high-speed data transfers.
Kartik Ramesh Patel +1 more
doaj +1 more source
Energy‐efficiency hybrid beamforming architecture design for MIMO network
Electronics Letters, 2022 This letter investigates the hybrid beamforming architecture design for MIMO network, where the connection between each antenna and each radio frequency chain is controlled by a switch. The optimization of the switch‐controlled connection state vector is
Kuo Cao, Jiao Zhang, Jun Xiong
doaj +1 more source
Photonics, 2023 Reconfigurable intelligent surface (RIS)-assisted millimeter-wave (mmWave) communication systems relying on hybrid beamforming structures are capable of achieving high spectral efficiency at a low hardware complexity and with low power consumption ...
Xiaoping Zhou +4 more
doaj +1 more source