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Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT

Abstract: 

Lately, Passive Intelligent Surfaces (PIS) are being recognized to play an important role in meeting the timely demand of low-cost green sustainable Internet of Things (IoT). In this paper, we focus on maximizing the sum received power among the energy harvesting IoT users by jointly optimizing the active precoder for multiantenna power beacon and the passive constant-envelope precoding based phase shifters (PS) design for PIS. Here, a multiuser channel estimation protocol is first introduced to obtain the least-squares estimators for the underlying effective cascaded channel links involved in the PIS assisted multi-antenna wireless power transfer as desired for the optimal precoder and PS designing. Thereafter, new semiclosed- form expressions for the proposed optimal active and passive beamforming design are derived so as to meet the low-complexity requirements of IoT communications. Finally, the numerical results are presented to validate the key nontrivial analytical claims and demonstrate the significant performance enhancement in terms of sum harvested energy among IoT users over conventional designs.

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Paper Details

Authors:
Deepak Mishra, Erik G. Larsson
Submitted On:
13 May 2020 - 10:50pm
Short Link:
Type:
Presentation Slides
Event:
Presenter's Name:
Deepak Mishra
Paper Code:
4635
Document Year:
2020
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Document Files

Presentation slides for Paper #4635 at IEEE ICASSP 2020

(26)

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[1] Deepak Mishra, Erik G. Larsson, "Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT", IEEE SigPort, 2020. [Online]. Available: http://sigport.org/5206. Accessed: Aug. 10, 2020.
@article{5206-20,
url = {http://sigport.org/5206},
author = {Deepak Mishra; Erik G. Larsson },
publisher = {IEEE SigPort},
title = {Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT},
year = {2020} }
TY - EJOUR
T1 - Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT
AU - Deepak Mishra; Erik G. Larsson
PY - 2020
PB - IEEE SigPort
UR - http://sigport.org/5206
ER -
Deepak Mishra, Erik G. Larsson. (2020). Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT. IEEE SigPort. http://sigport.org/5206
Deepak Mishra, Erik G. Larsson, 2020. Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT. Available at: http://sigport.org/5206.
Deepak Mishra, Erik G. Larsson. (2020). "Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT." Web.
1. Deepak Mishra, Erik G. Larsson. Passive Intelligent Surface Assisted MIMO Powered Sustainable IoT [Internet]. IEEE SigPort; 2020. Available from : http://sigport.org/5206