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Receive Beamforming for Ultrareliable Random Access based SWIPT
KISSELEFF, Steven; CHATZINOTAS, Symeon; OTTERSTEN, Björn
2020In Proceedings of IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications
Peer reviewed
 

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Abstract :
[en] Ultrareliable uplink communication based on random access poses novel research challenges for the receiver design. Here, the uncertainty imposed by the random access and a large amount of interfering transmissions is the limiting factor for the system performance. Recently, this type of communication has been addressed in context of simultaneous wireless information and power transfer (SWIPT). The need to adapt the power splitting to the signal states according to the underlying random access has been tackled by introducing a predictor, which determines the valid states of the received signal based on the long-term observation. Hence, the power splitting factor is scaled accordingly in order to guarantee ultrareliable communication and maximized harvested energy.In this work, we extend the considered SWIPT scenario by introducing multiple antennas at the receiver side. Through this, the received energy can be substantially increased, if the energy harvesting parameters and the spatial filter coefficients are jointly optimized. Hence, we propose an optimization procedure, which aims at maximizing the harvested energy under the ultrareliability constraint. The mentioned prediction method is then combined with the optimization solution and the resulting system performance is numerically evaluated.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > SIGCOM
Disciplines :
Electrical & electronics engineering
Author, co-author :
KISSELEFF, Steven ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
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 :
no
Language :
English
Title :
Receive Beamforming for Ultrareliable Random Access based SWIPT
Publication date :
2020
Event name :
IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications
Event date :
September 2020
Audience :
International
Main work title :
Proceedings of IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications
Peer reviewed :
Peer reviewed
Focus Area :
Security, Reliability and Trust
FnR Project :
FNR11037543 - Integrated Wireless Information And Power Networks, 2015 (01/10/2016-30/09/2020) - Bjorn Ottersten
Funders :
FNR - Fonds National de la Recherche [LU]
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since 25 November 2020

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