Channel Characteristics and Link Budget Analysis for 10-60 MHz Band Implant Communication

Author(s):  
Md ISMAIL HAQUE ◽  
Ryosuke YAMADA ◽  
Jingjing SHI ◽  
Jianqing WANG ◽  
Daisuke ANZAI
2015 ◽  
Vol 33 (24) ◽  
pp. 5201-5209 ◽  
Author(s):  
Babar Hussain ◽  
Xianbo Li ◽  
Fengyu Che ◽  
C. Patrick Yue ◽  
Liang Wu

2020 ◽  
Author(s):  
SAFWAN ALFATTANI ◽  
Wael Jaafar ◽  
Yassine Hmamouche ◽  
Halim Yanikomeroglu ◽  
Abbas Yongacoglu

In this paper, we derive the link budget relations for<br>communications assisted by reconfigurable smart surfaces (RSS).<br>Specifically, under specular and scattering paradigms, we provide<br>link budget expressions for an RSS-assisted communication on<br>the ground, where the RSS is either mounted on a building, or on<br>an aerial platform, such as an unmanned aerial vehicle (UAV),<br>a high altitude platform station (HAPS), or a low-earth orbit<br>satellite (LEO). The obtained numerical results provide design<br>guidelines for RSS-assisted communication systems, including the<br>recommended aerial platform to use, the size of RSS for each<br>type of the platforms, and the operating frequencies. <br>


IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 65983-65992 ◽  
Author(s):  
Hasnain Kashif ◽  
Muhammad Nasir Khan ◽  
Ali Altalbe

Author(s):  
A. I. O. Yussuff

The restrained use of millimeter bands is due to severe rain attenuation. Attenuation is caused when rain cells intersects radio wave’s propagation path; resulting in deep fades. The effect of rainfall is more severe in tropical regions characterized by heavy rainfall intensity and large raindrops; hence, rain attenuation analyses are essential to study rain fade characteristics for use in earth-space link budget analysis, for outage prediction resulting from rain attenuation. Tropical regions are particularly challenged with signal outage, necessitating the formulation and development of suitable prediction model(s) for the region. Therefore, extensive knowledge of the propagation phenomena mitigating system availability and signal quality in these bands are required. Daily rainfall data were collected from the Nigerian Meteorological Services for Lagos for spanning January to December 2010. Results showed that although, the ITU-R model out-performed the other prediction models under consideration, none of prediction models matched the measurement data.


2002 ◽  
Vol 112 (5) ◽  
pp. 2420-2420 ◽  
Author(s):  
Joseph A. Rice ◽  
Joseph T. Hansen

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