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Resource Allocation for Cognitive Satellite Communications in Ka-band (17.7-19.7 GHz)
Sharma, Shree Krishna; Lagunas, Eva; Maleki, Sina et al.
2015In Proceedings of International Conference on Communications (ICC)
Peer reviewed
 

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Keywords :
Cognitive SatCom; Carrier Allocation; Beamforming; Resource Allocation; Ka-band
Abstract :
[en] In this paper, we consider the problem of resource allocation in the context of cognitive Satellite Communications (SatCom). In particular, we focus on the cognitive downlink access by Geostationary (GEO) Fixed Satellite Service (FSS) terminals in the band 17.7-19.7 GHz, where the incumbent users are Fixed-Service (FS) microwave links. Assuming a multiple Low Noise Block Converter (LNB) satellite receiver at the cognitive FSS terminal-side, an efficient receive beamforming technique combined with carrier allocation is proposed in order to maximize the overall downlink throughput as well as to improve the beam availability. The proposed cognitive exploitation framework allows the flexibility of using non-exclusive spectrum for the FSS downlink system, thus improving the overall system throughput. More importantly, the proposed approach is validated with the help of numerical results considering realistic system parameters.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Sharma, Shree Krishna ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Lagunas, Eva  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Maleki, Sina ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Chatzinotas, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Grotz, Joel
Krause, Jens
Ottersten, Björn ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
External co-authors :
yes
Language :
English
Title :
Resource Allocation for Cognitive Satellite Communications in Ka-band (17.7-19.7 GHz)
Publication date :
June 2015
Event name :
IEEE International Conference on Communications (ICC)
Event organizer :
IEEE
Event place :
London, United Kingdom
Event date :
08-06-2015 to 12-06-2015
Audience :
International
Main work title :
Proceedings of International Conference on Communications (ICC)
Peer reviewed :
Peer reviewed
European Projects :
FP7 - 316779 - CORASAT - COgnitive RAdio for SATellite Communications
Funders :
CE - Commission Européenne [BE]
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since 11 May 2015

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