Measurements of Human Body Attenuation and Dual Polarized Diversity Gain for 38 GHz Millimeter-Wave Channel

2021 ◽  
Author(s):  
Chi-Min Li ◽  
Po-Yu Lee ◽  
Pao-Jen Wang
Keyword(s):  
Millimeter Wave ◽  
Human Body ◽  
Diversity Gain ◽  
Wave Channel ◽  
Dual Polarized

scholarly journals A Compact Dual-Band and Dual-Polarized Millimeter-Wave Beam Scanning Antenna Array for 5G Mobile Terminals

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Yuqi He ◽  
Sihan Lv ◽  
Luyu Zhao ◽  
Guan-Long Huang ◽  
Xiaoming Chen ◽  
...  
Keyword(s):  
Antenna Array ◽  
Millimeter Wave ◽  
Wave Beam ◽  
Dual Band ◽  
Mobile Terminals ◽  
Beam Scanning ◽  
Dual Polarized ◽  
Scanning Antenna

Millimeter-wave Channel-Sounder Performance Verification using Vector Network Analyzer in a Controlled RF Channel

2021 ◽  
pp. 1-1
Author(s):  
Jeanne T. Quimby ◽  
Dylan F. Williams ◽  
Kate A. Remley ◽  
Diogo Ribeiro ◽  
Ruoyu Sun ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Vector Network Analyzer ◽  
Network Analyzer ◽  
Performance Verification ◽  
Channel Sounder ◽  
Wave Channel

scholarly journals Researching on the Deterministic Channel Models for Urban Microcells Considering Diffraction Effects

Energies ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 2143
Author(s):  
Chunzhi Hou ◽  
Zhensen Wu ◽  
Jiaji Wu ◽  
Yunhua Cao ◽  
Leke Lin ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Wireless Channel ◽  
Experimental Results ◽  
Line Of Sight ◽  
Diffraction Effect ◽  
Channel Models ◽  
Wave Channel ◽  
Channel Parameters ◽  
Diffraction Effects ◽  
Ray Launching

Deterministic channel models, such as the three-dimensional (3D) ray launching method, can yield wireless channel parameters. In the non-line-of-sight (NLOS) propagation, the outdoor 3D ray launching method that considers diffraction effects is more accurate than the one that does not. While considering the diffraction effect, obtaining the diffraction point is challenging. This paper proposed a method for determining diffracted rays using the receiving sphere method in 3D ray launching. The diffraction point is determined using the shortest distance method between two straight lines, and the signal loss from the transmitting to receiving antennas is obtained. Furthermore, experiments on a millimeter wave in a microcell scenario were performed. The test results of the wireless channel parameters were compared with theoretical calculations. The results obtained via the 3D ray launching method that only considers the specular reflection and direct rays agree with the experimental results in the line-of-sight (LOS); furthermore, they generate larger errors compared with the experimental results in the NLOS. The results obtained via the 3D ray launching method that considers the direct ray, reflected rays, and diffracted rays agree with the experimental results both in the LOS and NLOS. Therefore, the 3D ray launching method that considers the diffraction effect can improve the prediction accuracy of the millimeter wave channel parameters in a microcell.

Millimeter-Wave Dual-Polarized Patch Antenna Designed for Integrating With Chip Package

2020 ◽  
Author(s):  
Qingling Yang ◽  
Steven Gaol ◽  
Xiaofei Ren ◽  
Di Kong ◽  
Wei Liu ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Patch Antenna ◽  
Dual Polarized
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