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SDR IMPLEMENTATION OF A TESTBED FOR SYNCHRONIZATION OF COHERENT DISTRIBUTED REMOTE SENSING SYSTEMS
Merlano Duncan, Juan Carlos; Querol, Jorge; Martinez Marrero, Liz et al.
2020In Proceedings of IEEE International Geoscience and Remote Sensing Symposium 2020
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Keywords :
Synchronization; Distributed beamforming; multi-statatic remote sensing
Abstract :
[en] Remote Sensing from distributed platforms has become attractive for the community in the last years. Phase, frequency, and time synchronization are a crucial requirement for many such applications as multi-static remote sensing and also for distributed beamforming for communications. The literature on the field is extensive, and in some cases, the requirements an complexity of the proposed synchronization solution may surpass the ones set by the application itself. Moreover, the synchronization solution becomes even more challenging when the nodes are flying or hovering on aerial or space platforms. In this work, we discuss the synchronization considerations for the implementation of distributed remote sensing applications. The general framework considered is based on a distributed collection of autonomous nodes that synchronize their clocks with a common reference using inter-satellite links. For this purpose, we implement a synchronization link between two nodes operating in a full-duplex fashion. The experimental testbed uses commercially available SDR platforms to emulate two satellites, two targets, and the communication channel. The proposal is evaluated considering phase and frequency errors for different system parameters.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SIGCOM
Disciplines :
Electrical & electronics engineering
Author, co-author :
Merlano Duncan, Juan Carlos ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Querol, Jorge  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Martinez Marrero, Liz  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Krivochiza, Jevgenij  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Camps, Adriano
Chatzinotas, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Ottersten, Björn ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
External co-authors :
yes
Language :
English
Title :
SDR IMPLEMENTATION OF A TESTBED FOR SYNCHRONIZATION OF COHERENT DISTRIBUTED REMOTE SENSING SYSTEMS
Publication date :
26 September 2020
Event name :
IEEE International Geoscience and Remote Sensing Symposium
Event organizer :
IEEE
Event place :
Virtual Symposium, United States
Event date :
from 26-09-2020 to 02-10-2020
Audience :
International
Journal title :
Proceedings of IEEE International Geoscience and Remote Sensing Symposium 2020
Special issue title :
IGARSS 2020
Peer reviewed :
Peer reviewed
Focus Area :
Computational Sciences
FnR Project :
FNR11689919 - Cognitive Cohesive Networks Of Distributed Units For Active And Passive Space Applications, 2017 (01/03/2018-31/08/2021) - Juan Merlano Duncan
Name of the research project :
COHESAT, Cognitive Cohesive Networks of Distributed Units for Active and Passive Space Applications.
Funders :
FNR - Fonds National de la Recherche [LU]
Available on ORBilu :
since 11 February 2021

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