Results 101 to 110 of about 854,563 (301)

Spectral Efficiency Analysis for Bidirectional Dynamic Network With Massive MIMO Under Imperfect CSI

IEEE Access, 2018
To cope with the exploding demand for higher data rate and the heavier asymmetry of downlink (DL) and uplink (UL) traffic, dynamic time-division duplex (DTDD) has been proposed, where the time resources can be adjusted dynamically between DL and UL ...
Qian Lv, Jiamin Li, Pengcheng Zhu, Xiaohu You   +3 more
doaj   +1 more source

Revolution or Evolution? Technical Requirements and Considerations towards 6G Mobile Communications. [PDF]

Sensors (Basel), 2022
Alraih S, Shayea I, Behjati M, Nordin R, Abdullah NF, Abu-Samah A, Nandi D.   +6 more
europepmc   +1 more source

Precise Tailoring 3D Printed In Situ Toughening Low‐k Microwave Transparent Structure via Thiol‐acrylate Chain Transfer Behavior

Advanced Science, EarlyView.
An in situ thiol–acrylate chain transfer‐mediated toughening strategy is introduced for Digital Light Processing (DLP) printing. Benefiting from its excellent printability, a printed gyroid lattice‐filled plate (100 µm wall thickness) achieves 92% transmittance at 10 GHz under a 50° incidence angle following structural optimization. ABSTRACT The unique
Ce Bian, Kai Zheng, Ruoyu Chen, Wansong Gu, Guanxiang Zhong, Difei Liang, Longjiang Deng, Hetao Chu   +7 more
wiley   +1 more source

Energy Efficiency Optimization for MIMO Distributed Antenna Systems With Pilot Contamination

IEEE Access, 2018
In this paper, we study the energy-efficiency (EE) maximization problem for a multiple-input multiple-output distributed antenna system (DAS) with pilot contamination.
Jun Xu, Pengcheng Zhu, Jiamin Li, Xiaohu You   +3 more
doaj   +1 more source

Reliable Aerial Mobile Communications with RSRP & RSRQ Prediction Models for the Internet of Drones: A Machine Learning Approach. [PDF]

Sensors (Basel), 2022
Behjati M, Zulkifley MA, Alobaidy HAH, Nordin R, Abdullah NF.   +4 more
europepmc   +1 more source

Ultrathin Quasi‐2D Perovskite‐Organic Segregated‐Structure Coupling for High‐Performance Narrowband Photomultiplication Detectors

Advanced Science, EarlyView.
Quasi‐2D perovskite‐organic segregated‐structure coupling enables low‐power narrowband photomultiplication photodetectors with 110 nm perovskite layer. The optimal device achieves 1200% EQE and 1.82 × 1011 Jones D* at 3 V, offering a new strategy for miniaturized high‐selectivity optoelectronic sensing.
Hongfei Qu, Peng He, Xingchao Zhao, Yongchao Xie, Fulong Huang, Xiaoling Ma, Byung Hui Lee, Han Young Woo, Yumeng Shi, Zuliang Zhuo, Fujun Zhang, Xixiang Zhu   +11 more
wiley   +1 more source

Optical Adaptive Antenna Array for Multiuser Mobile Optical Communication

IEEE Access, 2019
In this paper, an optical adaptive antenna array system for multi-user optical mobile communication is studied. A coherent signal source is embedded in a spherical optical phased cell array with an external spherical lens system.
Haibo Wang, Zaichen Zhang, Jian Dang, Liang Wu   +3 more
doaj   +1 more source

Effects of continuous prenatal and postnatal global system for mobile communications electromagnetic waves (GSM-EMW) exposure on the oxidative stress biomarkers in female rat liver. [PDF]

Heliyon, 2022
Salameh M, Zeitoun-Ghandour S, Sabra L, Ismail L, Daher A, Bazzi A, Khalil M, Joumaa WH.   +7 more
europepmc   +1 more source

A phased array tracking antenna for vehicles [PDF]

An antenna system including antenna elements and a satellite tracking method is considered a key technology in implementing land mobile satellite communications.
Mano, Kazukiko, Matsunaga, Makoto, Ohmori, Shingo, Tanaka, Kenji, Tsuchiya, Makio   +4 more
core   +1 more source

A business planning framework for WiMAX applications [PDF]

, 2009
Mobile networking refers to wireless technologies which provide communications between devices. Applications for mobile networking have a broad scope as they can be applied to many situations in either industrial or commercial sectors.
De Coster, R
core