Reconfigurable Intelligent Surface-Assisted Multi-User Secrecy Transmission With Low-Resolution DACs

This paper considers a reconfigurable intelligent surface (RIS)-assisted multi-user secrecy transmission in the presence of low-resolution digital-to-analog converters (DACs) at a small-cell base station (SBS). The weighted sum secrecy rate (WSSR) is maximized by jointly designing the active beamfor...

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Vydáno v:	IEEE transactions on green communications and networking Ročník 8; číslo 3; s. 1205 - 1221
Hlavní autoři:	Li, Kexin, Du, Huiqin, Li, Si
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Piscataway IEEE 01.09.2024 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms Array signal processing Backhaul networks Beamforming Closed form solutions Communication system security Constraints DC-AC power converters Digital to analog converters digital-to-analog converters (DACs) Logarithms Mathematical programming Mixed integer Optimization Phase shift Programming Quadratic programming quadratically constrained quadratic programming Quantization (signal) Reconfigurable intelligent surface (RIS) Reconfigurable intelligent surfaces Relaxation method (mathematics) Scheduling Sums
ISSN:	2473-2400, 2473-2400
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