301 citations · 342 across the 29 of their papers we have counts for
6 papers · 1 filter
Joint Beamforming Design and Power Splitting Optimization in IRS-Assisted SWIPT NOMA Networks
Zhendong Li, Wen Chen, Qingqing Wu +2
This paper proposes a novel network framework of intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) non-orthogonal multiple…
Stochastic Beamforming for Reconfigurable Intelligent Surface Aided Over-the-Air Computation
Wenzhi Fang, Min Fu, Kunlun Wang +2
Over-the-air computation (AirComp) is a promising technology that is capable of achieving fast data aggregation in Internet of Things (IoT) networks. The mean-squared error (MSE) p…
Subcarrier Assignment and Power Allocation for SCMA Energy Efficiency
Samira Jaber, Wen Chen, Kunlun Wang +1
In this paper we propose resource allocation algorithm for uplink sparse code multiple access (SCMA) networks to maximize the energy efficiency (EE). Due to the joint optimization…
SCMA Spectral and Energy Efficiency with QoS
Samira Jaber, Wen Chen, Kunlun Wang +1
Sparse Code Multiple Access (SCMA) is one of the promising candidates for new radio access interface. The new generation communication system is expected to support massive user ac…
Green MU-MIMO/SIMO Switching for Heterogeneous Delay-aware Services with Constellation Optimization
Kunlun Wang, Wen Chen, Jun Li +2
In this paper, we propose adaptive techniques for multi-user multiple input and multiple output~(MU-MIMO) cellular communication systems, to solve the problem of energy efficient c…
Energy-Efficient Buffer-Aided Relaying Systems with Opportunistic Spectrum Access
Kunlun Wang, Qingqing Wu, Wen Chen +2
In this paper, an energy-efficient cross-layer design framework is proposed for cooperative relaying networks, which takes into account the influence of spectrum utilization probab…