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2026
Improving Performance of STAR-RIS-Based NOMA Systems by Full-Duplex Cooperative-Based SWIPT Mechanism
Simultaneous wireless information and power transfer (SWIPT) has become a key enabler for sustaining energy-constrained Internet-of-Things (IoT) devices, while simultaneous transmission and reflection reconfigurable intelligent surfaces (STAR-RIS) provide enhanced coverage and beamforming flexibility by serving users o...
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· IEEE Transactions on Communi... · 0 citations
Open access
Sep 2026
RIS-Assisted Multiuser NOMA Networks With Imperfect CSI Under Transceiver Hardware Impairments
The incorporation of non-orthogonal multiple access (NOMA) and reconfigurable intelligent surface (RIS) provides a new solution to improve spectral efficiency. Unfortunately, the channel estimation error of RIS is noteworthy due to the absent active radio frequency link. Meanwhile, the transceivers at base stations (BS...
Qian Zhang, Mao Wang, Xue-Jun Cheng et al.
· IEEE Internet of Things Jour... · 1 citation
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Oct 2026
Robust resource allocation in multi-cell UE-specific RIS-assisted D2D relay networks under imperfect CSI
A robust multi-cell resource allocation (RMRA) framework for UE-RIS-assisted D2D relay networks under imperfect CSI is proposed, comprising distance-pruned Hungarian assignment, robust power control using Bernstein-type inequality and S-procedure based semidefinite programming, and soft actor-critic based passive beamf...
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2026
Robust Secure Precoding for Wireless Information and Power Transfer in RSMA-Based LEO Satellite Communications
Satellite-terrestrial integrated networks with simultaneous wireless information and power transfer (SWIPT) provide wide-area connectivity and sustainable service support, but they also face serious security challenges due to the broadcast nature of satellite links and the possibility that an energy receiver may act as...
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Open access
Aug 2026
Max-min fair multigroup multicast in an IRS-aided MISO system
Simulation results demonstrate the guaranteed convergence and the superiority of the proposed scheme in improving the minimum weighted SINR at the users, as well as the contribution of the IRS in reducing the transmit power consumption and the number of active transmit antennas at the AP.
Guo-Dong Zhang, Hao-Jing Zhang, Rui-Fang Wang
· Scientific Reports · 0 citations
Open access
2026
Robust Beamforming for Full-Duplex Integrated Secure Communication, Computation, and Energy Networks Under Imperfect CSI
This paper proposes a robust beamforming framework for a full-duplex (FD) integrated secure communication, computation, and energy (ISC2E) network. In the considered network, an FD base station (BS) simultaneously performs downlink wireless power transfer while aggregating uplink over-the-air computation data and recei...
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