Transmitter-Side Wireless Information- and Power-Transfer in Massive MIMO Systems

Both time-switching (TS) and power splitting has been used at the receiver for wireless information and power transfer in the downlink of massive multiple-input-multiple-output systems. By contrast, this correspondence adopts the transmit-TS approach, where the energy and information are transferred...

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Vydáno v:IEEE transactions on vehicular technology Ročník 69; číslo 2; s. 2322 - 2326
Hlavní autoři: Nasir, Ali Arshad, Tuan, Hoang Duong, Duong, Trung Q., Hanzo, Lajos
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.02.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Array signal processing
Beamforming
Computer simulation
Information transfer
Massive MIMO
MIMO (control systems)
Optimization
Power transfer
Receivers
Resource management
Throughput
Trajectory planning
Wireless communication
wireless power transfer
ISSN:0018-9545, 1939-9359
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Shrnutí:Both time-switching (TS) and power splitting has been used at the receiver for wireless information and power transfer in the downlink of massive multiple-input-multiple-output systems. By contrast, this correspondence adopts the transmit-TS approach, where the energy and information are transferred over different fractions of a time slot. Our goal is to jointly optimize the transmit-TS factor and power allocation coefficients during energy and information transfer for maximizing the users' minimum throughput subject to transmit power and minimum harvested energy constraints. This nonconvex problem is solved by our path following algorithm. Our simulation results demonstrate the benefits of the proposed transmit-TS algorithm, which easily doubles the throughput compared to that of the existing techniques.
Bibliografie:ObjectType-Article-1
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ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2019.2959932