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This paper investigates the simultaneous wireless information and power transfer (SWIPT) for two-hop orthogonal frequency division multiplexing (OFDM) decode-and-forward (DF) relay communication system, where a relay harvests energy from…

信息论 · 计算机科学 2014-07-10 Xiaofei Di , Ke Xiong , Zhengding Qiu

This paper considers the Gaussian multiple-access channel (MAC) in the asymptotic regime where the number of users grows linearly with the code length. We propose efficient coding schemes based on random linear models with approximate…

信息论 · 计算机科学 2022-05-04 Kuan Hsieh , Cynthia Rush , Ramji Venkataramanan

The rapid growth of Internet of Things (IoT) dramatically increases power consumption of wireless devices. Simultaneous wireless information and power transfer (SWIPT) is a promising solution for sustainable operation of IoT devices. In…

信息论 · 计算机科学 2018-01-22 Yuwen Huang , Mengyu Liu , Yuan Liu

This paper considers the transmitter design for wireless information and energy transfer (WIET) in a multiple-input single-output (MISO) interference channel (IFC). The design problem is to maximize the system throughput (i.e., the weighted…

信息论 · 计算机科学 2015-06-16 Chao Shen , Wei-Chiang Li , Tsung-Hui Chang

In this paper, an energy harvesting scheme for a multi-user multiple-input-multiple-output (MIMO) secrecy channel with artificial noise (AN) transmission is investigated. Joint optimization of the transmit beamforming matrix, the AN…

信息论 · 计算机科学 2018-02-05 Zhengyu Zhu , Ning Wang , Zheng Chu , Zhongyong Wang , Inkyu Lee

In this paper, we determine the harvested power region of a two-user multiple-input single-output (MISO) wireless power transfer (WPT) system for a non-linear model of the rectennas at the energy harvester (EH) nodes. To this end, we…

信息论 · 计算机科学 2021-03-29 Nikita Shanin , Laura Cottatellucci , Robert Schober

This work investigates the secrecy performance for a simultaneous wireless information and power transfer system that operates in the presence of cooperating eavesdroppers. The multi-antenna access point's transmission is used for…

信息论 · 计算机科学 2019-03-11 Furqan Jameel , Shurjeel Wyne

In this paper we study secure energy efficiency (SEE) for simultaneous wireless information and power transfer (SWIPT) in a distributed antenna system (DAS) based IoT network. We consider a system in which both legitimate users (Bobs) and…

信息论 · 计算机科学 2021-03-24 Aaqib Bulla , Shahid M Shah

This paper studies the joint optimization problem of two-way relay beamforming, the receiver power splitting (PS) ratio as well as the transmit power at the sources to maximize the achievable sum-rate of a simultaneous wireless information…

信息论 · 计算机科学 2016-10-19 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong , Zhongbin Zheng

This paper considers secure simultaneous wireless information and power transfer (SWIPT) in cell-free massive multiple-input multiple-output (MIMO) systems. The system consists of a large number of randomly (Poisson-distributed) located…

Far-field wireless power transfer (WPT) is a promising technique to resolve the painstaking power-charging problem inherent in various wireless terminals. This paper investigates the power transfer efficiency of the WPT segment in future…

信息论 · 计算机科学 2015-04-14 Minghua Xia , Sonia Aïssa

We propose a novel transmission protocol for harvest-then-transmit wireless powered communication networks, which takes into account the non-linearity of the energy harvesting (EH) process at the EH users and maximizes the sum rate in the…

信息论 · 计算机科学 2021-08-17 Slavche Pejoski , Zoran Hadzi-Velkov , Robert Schober

This paper considers the energy efficiency (EE) maximization of a simultaneous wireless information and power transfer (SWIPT)-assisted unmanned aerial vehicles (UAV) cooperative network operating at TeraHertz (THz) frequencies. The source…

信息论 · 计算机科学 2023-11-07 Jalal Jalali , Ata Khalili , Hina Tabassum , Rafael Berkvens , Jeroen Famaey , Walid Saad

Characterizing the fundamental tradeoffs for maximizing energy efficiency (EE) versus spectrum efficiency (SE) is a key problem in wireless communication. In this paper, we address this problem for a point-to-point additive white Gaussian…

信息论 · 计算机科学 2013-02-06 Jie Xu , Rui Zhang

In this paper, we investigate the impact of fading channel correlation on the performance of dual-hop decode-and-forward (DF) simultaneous wireless information and power transfer (SWIPT) relay networks. More specifically, by considering the…

信息论 · 计算机科学 2023-05-09 Farshad Rostami Ghadi , F. Javier Lopez-Martinez

In this paper, we consider a multiple-input multiple-output wireless powered communication network (MIMO-WPCN), where multiple users harvest energy from a dedicated power station in order to be able to transmit their information signals to…

The multiple access channel (MAC) with many-user is a general model for massive machine type communications. In this paradigm, the number of users may be comparable or even larger than the coding blocklength $n$. In contrast, classical MAC…

信息论 · 计算机科学 2019-08-12 Fan Wei , Yongpeng Wu , Wen Chen , Yanlin Geng , Giuseppe Caire

This paper investigates an orthogonal frequency division multiplexing (OFDM)-based wireless powered communication system, where one user harvests energy from an energy access point (EAP) to power its information transmission to a data…

信息论 · 计算机科学 2016-11-17 Xun Zhou , Chin Keong Ho , Rui Zhang

Since radio signals carry both energy and information at the same time, a unified study on simultaneous wireless information and power transfer (SWIPT) has recently drawn a significant attention for achieving wireless powered communication…

信息论 · 计算机科学 2014-07-22 Hyungsik Ju , Rui Zhang

In this paper, we propose a reconfigurable intelligent surface (RIS)-assisted frequency-modulated (FM) differential chaos shift keying (DCSK) scheme with simultaneous wireless information and power transfer (SWIPT), called RIS-FM-DCSK-SWIPT…

信息论 · 计算机科学 2023-03-15 Yi Fang , Yiwei Tao , Huan Ma , Yonghui Li , Mohsen Guizani