Results 21 to 30 of about 24,859 (195)

Numerical Simulation Study for Frequency Sharing Between Micro-Cellular Systems and Fixed Service Systems in Millimeter-Wave Bands

open access: yesIEEE Access, 2016
This paper presents numerical simulation results to study the impact of the co-existence between a fixed service (FS) system and 5G small cell networks at 28-, 38-, and 60-GHz millimeter-wave (mmWave) frequency bands.
Joongheon Kim, Liang Xian, Ali S. Sadri
doaj   +1 more source

Secure Communications in Millimeter Wave Ad Hoc Networks [PDF]

open access: yes, 2017
Wireless networks with directional antennas, like millimeter wave (mmWave) networks, have enhanced security. For a large-scale mmWave ad hoc network in which eavesdroppers are randomly located, however, eavesdroppers can still intercept the confidential ...
Heath Jr, Robert W.   +3 more
core   +2 more sources

Channel Estimation in mmWave System with One-bit Compressed Sensing

open access: yesGuangtongxin yanjiu, 2021
Considering the cost and large power consumption of high-resolution analog-to-digital converters in mmWave massive Multiple Input Multiple Output (MIMO) system, we develop a channel estimation algorithm with one-bit quantizer.
Xin-an Li, Kai-wen Yu
doaj   +1 more source

Geometric Approach to Passive Ranging in Underwater Localization Systems

open access: yesIEEE Access, 2018
The use of underwater surveillance systems is critical for effective command of maritime power. Ships or submarines equipped with active sonar systems emit sounds to obtain range or angle information.
Yu-Chien Lin   +3 more
doaj   +1 more source

Sensor-Aided V2X Beam Tracking for Connected Automated Driving: Distributed Architecture and Processing Algorithms

open access: yesSensors, 2020
This paper focuses on ultra-reliable low-latency Vehicle-to-Anything (V2X) communications able to meet the extreme requirements of high Levels of Automation (LoA) use cases.
Mattia Brambilla   +5 more
doaj   +1 more source

Millimeter-Wave (mmWave) Communications [PDF]

open access: yes, 2020
The millimeter-wave frequency band (30–300 GHz) is considered a potential candidate to host very high data rate communications. First used for high capacity radio links and then for broadband indoor wireless networks, the interest in this frequency band has increased as it is proposed to accommodate future 5G mobile communication systems.
openaire   +3 more sources

UAV Assisted 5G Het-Net: A Highly Supportive Technology for 5G NR Network Enhancement [PDF]

open access: yesEAI Endorsed Transactions on Internet of Things, 2020
Recently, unmanned aerial vehicles (UAVs) have grabbed impressive attention from industry and research network, because of the fastergrowth in a wide scope of applications.
Mobasshir Mahbub
doaj   +1 more source

Wideband Three Loop Element Antenna Array for Future 5G mmwave Devices

open access: yesIEEE Access, 2022
In this work, a compact, light-weight, low-cost, and easy install and incorporate mmwave printed square loop antenna with a perturbed ground plane is proposed. The antenna is fabricated on an ultra-thin 0.254 mm Rogers RT/Duroid 5880 substrate.
Saad Hassan Kiani   +5 more
doaj   +1 more source

5G mmWave Vehicular Tracking [PDF]

open access: yes2018 52nd Asilomar Conference on Signals, Systems, and Computers, 2018
Vehicle positioning based on GPS is limited due to multipath and blockage. 5G mmWave signals can provide an attractive complement, as it is possible to estimate the state of a vehicle (position and heading) from transmissions from a single base station.
Kim, Hyowon   +4 more
openaire   +2 more sources

Resource Efficient Allocation and RRH Placement for Backhaul of Moving Small Cells

open access: yesIEEE Access, 2019
Mobile users suffer from deteriorating signal quality due to vehicle penetration losses. To solve this, small cells are deployed within the vehicles to improve the Quality of Service (QoS). These small cells called moving small cell access points (MSAPs),
Zaeema Iftikhar   +3 more
doaj   +1 more source

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