Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms

Non-terrestrial networks, including Unmanned Aerial Vehicles (UAVs), High Altitude Platform Station (HAPS) nodes and Low Earth Orbiting (LEO) satellites, are expected to have a pivotal role in sixth-generation wireless networks. With inherent features such as flexible placement, wide footprints, and...

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Autores principales:	Safwan Alfattani, Wael Jaafar, Yassine Hmamouche, Halim Yanikomeroglu, Abbas Yongacoglu
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Reconfigurable smart surfaces (RSS) reconfigurable intelligent surfaces (RIS) aerial platform unmanned aerial vehicle (UAV) high altitude platform station (HAPS) low earth orbit (LEO) satellite Telecommunication TK5101-6720 Transportation and communications HE1-9990
Acceso en línea:	https://doaj.org/article/aedbb90361544f66a5ae46845f68e8c5
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id	oai:doaj.org-article:aedbb90361544f66a5ae46845f68e8c5
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spelling	oai:doaj.org-article:aedbb90361544f66a5ae46845f68e8c52021-11-12T00:05:49ZLink Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms2644-125X10.1109/OJCOMS.2021.3105933https://doaj.org/article/aedbb90361544f66a5ae46845f68e8c52021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9518388/https://doaj.org/toc/2644-125XNon-terrestrial networks, including Unmanned Aerial Vehicles (UAVs), High Altitude Platform Station (HAPS) nodes and Low Earth Orbiting (LEO) satellites, are expected to have a pivotal role in sixth-generation wireless networks. With inherent features such as flexible placement, wide footprints, and preferred channel conditions, they can tackle several challenges faced by current terrestrial networks. However, their successful and widespread adoption relies on energy-efficient on-board communication systems. In this context, the integration of Reconfigurable Smart Surfaces (RSS) into aerial platforms is envisioned as a key enabler of energy-efficient and cost-effective aerial platform deployments. RSS consist of low-cost reflectors capable of smartly directing signals in a nearly passive way. In this paper, we investigate the link budget of RSS-assisted communications for two RSS reflection paradigms discussed in the literature, namely “specular” and “scattering” paradigms. Specifically, we analyze the characteristics of RSS-equipped aerial platforms and compare their communication performance with that of RSS-assisted terrestrial networks using standardized channel models. In addition, we derive the optimal aerial platform placements for both reflection paradigms. Our results provide important insights for the design of RSS-assisted communications. For instance, given that a HAPS has a large area for RSS, it provides superior link budget performance in most studied scenarios. In contrast, the limited RSS area on UAVs and the large propagation loss in LEO satellite communications make them unfavorable candidates for supporting terrestrial users. Finally, the optimal location of an RSS-equipped platform may depend on the platform's altitude, coverage footprint, and type of environmentSafwan AlfattaniWael JaafarYassine HmamoucheHalim YanikomerogluAbbas YongacogluIEEEarticleReconfigurable smart surfaces (RSS)reconfigurable intelligent surfaces (RIS)aerial platformunmanned aerial vehicle (UAV)high altitude platform station (HAPS)low earth orbit (LEO) satelliteTelecommunicationTK5101-6720Transportation and communicationsHE1-9990ENIEEE Open Journal of the Communications Society, Vol 2, Pp 1980-1995 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Reconfigurable smart surfaces (RSS) reconfigurable intelligent surfaces (RIS) aerial platform unmanned aerial vehicle (UAV) high altitude platform station (HAPS) low earth orbit (LEO) satellite Telecommunication TK5101-6720 Transportation and communications HE1-9990
spellingShingle	Reconfigurable smart surfaces (RSS) reconfigurable intelligent surfaces (RIS) aerial platform unmanned aerial vehicle (UAV) high altitude platform station (HAPS) low earth orbit (LEO) satellite Telecommunication TK5101-6720 Transportation and communications HE1-9990 Safwan Alfattani Wael Jaafar Yassine Hmamouche Halim Yanikomeroglu Abbas Yongacoglu Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms
description	Non-terrestrial networks, including Unmanned Aerial Vehicles (UAVs), High Altitude Platform Station (HAPS) nodes and Low Earth Orbiting (LEO) satellites, are expected to have a pivotal role in sixth-generation wireless networks. With inherent features such as flexible placement, wide footprints, and preferred channel conditions, they can tackle several challenges faced by current terrestrial networks. However, their successful and widespread adoption relies on energy-efficient on-board communication systems. In this context, the integration of Reconfigurable Smart Surfaces (RSS) into aerial platforms is envisioned as a key enabler of energy-efficient and cost-effective aerial platform deployments. RSS consist of low-cost reflectors capable of smartly directing signals in a nearly passive way. In this paper, we investigate the link budget of RSS-assisted communications for two RSS reflection paradigms discussed in the literature, namely “specular” and “scattering” paradigms. Specifically, we analyze the characteristics of RSS-equipped aerial platforms and compare their communication performance with that of RSS-assisted terrestrial networks using standardized channel models. In addition, we derive the optimal aerial platform placements for both reflection paradigms. Our results provide important insights for the design of RSS-assisted communications. For instance, given that a HAPS has a large area for RSS, it provides superior link budget performance in most studied scenarios. In contrast, the limited RSS area on UAVs and the large propagation loss in LEO satellite communications make them unfavorable candidates for supporting terrestrial users. Finally, the optimal location of an RSS-equipped platform may depend on the platform's altitude, coverage footprint, and type of environment
format	article
author	Safwan Alfattani Wael Jaafar Yassine Hmamouche Halim Yanikomeroglu Abbas Yongacoglu
author_facet	Safwan Alfattani Wael Jaafar Yassine Hmamouche Halim Yanikomeroglu Abbas Yongacoglu
author_sort	Safwan Alfattani
title	Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms
title_short	Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms
title_full	Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms
title_fullStr	Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms
title_full_unstemmed	Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms
title_sort	link budget analysis for reconfigurable smart surfaces in aerial platforms
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/aedbb90361544f66a5ae46845f68e8c5
work_keys_str_mv	AT safwanalfattani linkbudgetanalysisforreconfigurablesmartsurfacesinaerialplatforms AT waeljaafar linkbudgetanalysisforreconfigurablesmartsurfacesinaerialplatforms AT yassinehmamouche linkbudgetanalysisforreconfigurablesmartsurfacesinaerialplatforms AT halimyanikomeroglu linkbudgetanalysisforreconfigurablesmartsurfacesinaerialplatforms AT abbasyongacoglu linkbudgetanalysisforreconfigurablesmartsurfacesinaerialplatforms
_version_	1718431369837674496

Link Budget Analysis for Reconfigurable Smart Surfaces in Aerial Platforms

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