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7 papers · 2 filters
Max-Min Energy Efficient Beamforming for Multicell Multiuser Joint Transmission Systems
Shiwen He, Yongming Huang, Shi Jin +2
Energy efficient communication technology has attracted much attention due to the explosive growth of energy consumption in current wireless communication systems. In this letter w…
Coordinated Beamforming for Energy Efficient Transmission in Multicell Multiuser Systems
He Shiwen, Huang Yongming, Jin Shi +1
In this paper we study energy efficient joint power allocation and beamforming for coordinated multicell multiuser downlink systems. The considered optimization problem is in a non…
Energy-Efficient Optimization for Wireless Information and Power Transfer in Large-Scale MIMO Systems Employing Energy Beamforming
Xiaoming Chen, Xiumin Wang, Xianfu Chen
In this letter, we consider a large-scale multiple-input multiple-output (MIMO) system where the receiver should harvest energy from the transmitter by wireless power transfer to s…
Linear Precoder Design for MIMO Interference Channels with Finite-Alphabet Signaling
Yongpeng Wu, Chengshan Xiao, Xiqi Gao +2
This paper investigates the linear precoder design for -user interference channels of multiple-input multiple-output (MIMO) transceivers under finite alphabet inputs. We first o…
Large System Analysis of Cooperative Multi-cell Downlink Transmission via Regularized Channel Inversion with Imperfect CSIT
Jun Zhang, Chao-Kai Wen, Shi Jin +2
In this paper, we analyze the ergodic sum-rate of a multi-cell downlink system with base station (BS) cooperation using regularized zero-forcing (RZF) precoding. Our model assumes…
Performance Analysis for Physical Layer Security in Multi-Antenna Downlink Networks with Limited CSI Feedback
Xiaoming Chen, Rui Yin
Channel state information (CSI) at the transmitter is of importance to the performance of physical layer security based on multi-antenna networks. Specifically, CSI is not only ben…