Results 111 to 120 of about 2,907 (204)

Low-resolution phase shifter-based hybrid precoding for mmWave massive MIMO

EURASIP Journal on Wireless Communications and Networking
As the demand for high-capacity and energy-efficient wireless communications grows, the exploration of cost-effective and power-optimized hybrid digital-analog beamforming techniques for millimeter-wave massive MIMO systems has gained substantial ...
Yipu Yuan, Jung-Lang Yu, Yuzhuo Pan, Shiyan Zheng   +3 more
doaj   +1 more source

RESEARCH ON BEAMFORMING TECHNIQUES IN 5G NETWORK

Tạp chí Khoa học
5G networks mark a significant advancement in telecommunications standards compared to 4G, offering data transmission speeds of up to 10 Gbps and are expected to be widely deployed shortly.
Hoang Van Thuc*, Doan Manh Cuong
doaj   +1 more source

Hybrid analog-digital transmit beamforming for spectrum sharing backhaul networks

© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes,creating new ...
Vázquez Oliver, Miguel Ángel, Pérez Neira, Ana Isabel, Blanco Botana, Luis   +2 more
core  

Weighted Sumrate Maximizing Hybrid Precoder for MU-MISO-OFDM

IEEE Access
In multi-antenna transceivers with all-digital beamforming, the number of radio frequency (RF) chains necessarily equals the number of antennas, which entails a large hardware complexity and power consumption when deploying large antenna arrays.
Sander Cornelis, Nele Noels, Marc Moeneclaey   +2 more
doaj   +1 more source

Alternating minimum mean square error hybrid beamforming algorithm in mmWave MIMO system

Dianxin kexue, 2017
The two-stage hybrid beamforming architecture can solve the problem of limited number of RF chains effectively.However,it is still difficult to design a hybrid beamforming algorithm with better performance.In order to achieve higher spectral efficiency ...
Min SHEN, Hao XU, Yun HE, Pengguang ZHOU
doaj   +2 more sources

Cost-Effective Digital Phased Array Systems With Automatic Self-Calibration: Case Studies With Analog and Hybrid Comparisons

IEEE Access
Low cost digital beamforming architectures are developed and comparisons are made to analog and hybrid arrays. A brief overview of these various beamforming methods is also provided considering phased array antennas.
Dagna I. Wojciak, Zain Shafiq, Alexander T. Don, Symon K. Podilchak   +3 more
doaj   +1 more source

Analog Neural Network For Beamforming Applications

This project aimed to develop an analog neural network for beamforming applications, combining custom-designed PCB boards along with other hardware, a software-defined radio (SDR) setup, and supporting software. The system incorporates essential hardware
Dragun, Tatiana
core  

Learning Approaches to Beam Selection for Hybrid Analog Beamforming

, 2019
This paper investigates the applicability of deep and machine learning techniques to perform beam selection in the uplink of a mmWave communication system.
Mestre, Xavier, Antón-Haro, Carles
core   +1 more source

Small Drone Detection Using Hybrid Beamforming 24 GHz Fully Integrated CMOS Radar

Drones
This paper presents a compact 24 GHz radar with a 4-transmit (4Tx) and 4-receive (4Rx) CMOS radar IC, integrated with a 4 × 4 Tx array and four 1 × 4 receive Rx array antennas, optimized for enhancing small drone detection.
Kangjie Jin, Seung-Soo Han, Donghyun Baek, Han Lim Lee   +3 more
doaj   +1 more source

Hybrid Beamforming for Millimeter-Wave Heterogeneous Networks

, 2019
Heterogeneous networks (HetNets) employing massive multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) technologies have emerged as a promising solution to enhance the network capacity and coverage of next-generation 5G cellular networks ...
Mostafa Hefnawi
core   +1 more source