Results 31 to 40 of about 710,020 (189)
What is A Wireless UAV? A Design Blueprint for 6G Flying Wireless Nodes [PDF]
, 2021 Wireless Unmanned Aerial Vehicles (UAVs) were introduced in the world of 4th generation networks (4G) as cellular users, and have attracted the interest of the wireless community ever since. In~5G, UAVs operate also as flying Base Stations providing service to ground users. They can also implement independent off-the-grid UAV networks.
arxiv +1 more source
On the Downlink Throughput Capacity of Hybrid Wireless Networks With MIMO
IEEE Access, 2017 In this paper, the downlink throughput capacity of hybrid wireless networks is mainly studied. Multiple-input multiple-output (MIMO) technology is assumed to be equipped on the base station and nodes to improve communication performance and increase the ...
Baoju Zhang +3 more
doaj +1 more source
Beamspace Spatial Smoothing MUSIC DOA Estimation Method Using Dynamic Metasurface Antenna
EntropyThe Direction-of-Arrival (DOA) estimation method using traditional array antennas cannot dynamically adjust the observation angle range based on the Region of Interest (ROI), which leads to limited estimation accuracy and high computational complexity ...
Lilong Hou +5 more
doaj +1 more source
A Comprehensive Survey of RAN Architectures Toward 5G Mobile Communication System
IEEE Access, 2019 The fifth generation (5G) of mobile communication system aims to deliver a ubiquitous mobile service with enhanced quality of service (QoS). It is also expected to enable new use-cases for various vertical industrial applications—such as ...
Mohammad Asif Habibi +3 more
doaj +1 more source
Waveform Optimization for Wireless Power Transfer with Nonlinear Energy Harvester Modeling
, 2015 Far-field Wireless Power Transfer (WPT) and Simultaneous Wireless Information and Power Transfer (SWIPT) have attracted significant attention in the RF and communication communities.
Bayguzina, Ekaterina +3 more
core +1 more source
A Broad-Band Wide-Angle Linear-to-Circular Polarization Converter Based on Stripline Metasurface
IEEE Access, 2021 This paper proposes a broad-band linear-to-circular polarization converter based on a multi-layer stripline metasurface. The structure is constructed of three stripline metallic layers stacked with two dielectric plates, and it has different ...
Zuning Yang +5 more
doaj +1 more source
IEEE Access, 2019 In this paper, we propose a W-band 8-quadrature-amplitude-modulation (8QAM) frequency tripling photonic vector millimeter-wave (mm-wave) signal generation method by using a phase modulator (PM) with only amplitude pre-coding.
Lun Zhao +5 more
doaj +1 more source
In-Vessel Resonant Communications
IEEE AccessThis paper presents a comprehensive performance estimation of enclosed volume (in-vessel) resonant communications. This type of communications can be used for measurements of pertinent parameters of liquids such as temperature, density, or viscosity ...
Vitalii Kirillov +3 more
doaj +1 more source
A Comparative Survey of Optical Wireless Technologies: Architectures and Applications
, 2018 New high-data-rate multimedia services and applications are evolving continuously and exponentially increasing the demand for wireless capacity of fifth-generation (5G) and beyond.
Chowdhury, Mostafa Zaman +3 more
core +1 more source
A USRP-Based Multi-Antenna Testbed for Reception of Multi-Site Cellular Signals
IEEE Access, 2019 This paper presents a design of a Software Defined Radio (SDR) multi-antenna testbed able to record live cellular signals from multiple sites. This measurement setup based on Universal Software Radio Peripheral (USRP) boards, is used to record live Long ...
Tomasz Izydorczyk +3 more
doaj +1 more source