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In this paper, we design a robust resource allocation algorithm for a wireless-powered communication network (WPCN) taking into account residual hardware impairments (HWIs) at the transceivers, the imperfectness of the channel state…

Information Theory · Computer Science 2017-09-14 Elena Boshkovska , Derrick Wing Kwan Ng , Linglong Dai , Robert Schober

In this work, we study a multi-user wireless powered communication network (WPCN), where a multi-antenna base station (BS) sends an energy signal to multiple single-antenna users equipped with non-linear energy harvesting (EH) circuits. The…

Information Theory · Computer Science 2022-08-19 Nikita Shanin , Amelie Hagelauer , Laura Cottatellucci , Robert Schober

The recent advance in radio-frequency (RF) wireless energy transfer (WET) has motivated the study of wireless powered communication network (WPCN), in which distributed wireless devices are powered via dedicated WET by the hybrid…

Information Theory · Computer Science 2015-12-02 Seunghyun Lee , Rui Zhang

Full-duplex communication has the potential to substantially increase the throughput in wireless networks. However, the benefits of full-duplex are still not well understood. In this paper, we characterize the full-duplex rate gains in both…

Information Theory · Computer Science 2016-06-10 Jelena Marašević , Jin Zhou , Harish Krishnaswamy , Yuan Zhong , Gil Zussman

We derive the optimal resource allocation of a practical half-duplex scheme for the Gaussian multiple access channel with transmitter cooperation (MAC-TC). Based on rate splitting and superposition coding, two users transmit information to…

Information Theory · Computer Science 2015-03-20 Ahmad Abu Al Haija , Mai Vu

In this paper, we consider a wireless powered communication system, where an energy harvesting (EH) node harvests energy from a radio frequency (RF) signal broadcasted by an access point (AP) in the downlink (DL). The node stores the…

Information Theory · Computer Science 2017-10-12 Rania Morsi , Diomidis S. Michalopoulos , Robert Schober

We consider the distributed uplink resource allocation problem in a multi-carrier wireless network with multiple access points (APs). Each mobile user can optimize its own transmission rate by selecting a suitable AP and by controlling its…

Information Theory · Computer Science 2016-08-24 Mingyi Hong , Alfredo Garcia , Jorge Barrera , Stephen G. Wilson

In this paper, we propose a new distributed energy beamforming and information transfer (DEBIT) scheme for realizing simultaneous wireless information and power transfer (SWIPT) in multiway relay networks (MWRNs), where multiple…

Information Theory · Computer Science 2017-10-10 Zhaoxi Fang , Xiaojun Yuan

Recent years have witnessed a proliferation of battery-powered mobile devices, e.g., smartphones, tablets, sensors, and laptops, which leads a significant demand for high capacity wireless communication with high energy efficiency. Among…

Networking and Internet Architecture · Computer Science 2017-09-29 Makoto Kobayashi , Ryo Murakami , Shunsuke Saruwatari , Takashi Watanabe

In this paper, we investigate the uplink transmissions in low-power wide-area networks (LPWAN) where the users are self-powered by the energy harvested from the ambient environment. Demonstrating their potential in supporting diverse…

Optimization and Control · Mathematics 2019-05-13 Fatma Benkhelifa , Zhijin Qin , Julie McCann

In this paper, we study multi-user multi-antenna wireless power transfer (WPT) systems, where each antenna at the energy harvesting (EH) nodes is connected to a dedicated non-linear rectifier. We propose an optimal transmit strategy which…

Information Theory · Computer Science 2021-05-12 Nikita Shanin , Laura Cottatellucci , Robert Schober

Energy Harvesting (EH) is a novel technique to prolong the lifetime of the wireless networks such as wireless sensor networks or Ad-Hoc networks, by providing an unlimited source of energy for their nodes. In this sense, it has emerged as a…

Information Theory · Computer Science 2021-04-07 Mahmood Mohassel Feghhi , Aliazam Abbasfar , Mahtab Mirmohseni

Simultaneous wireless information and power transfer (SWIPT) is a promising solution for enabling long-life, and self-sustainable wireless networks. In this thesis, we propose a practical non-linear energy harvesting (EH) model and design a…

Information Theory · Computer Science 2016-02-03 Elena Boshkovska

We consider a point-to-point multiple-input-single-output (MISO) system where a receiver harvests energy from a wireless power transmitter to power itself for various applications. The transmitter performs energy beamforming by using an…

Information Theory · Computer Science 2016-11-17 Gang Yang , Chin Keong Ho , Yong Liang Guan

In this paper, we investigate a novel minimum length scheduling problem to determine the optimal power control, and scheduling for constant and continuous rate models, while considering concurrent transmission of users, energy causality,…

Signal Processing · Electrical Eng. & Systems 2021-01-21 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

This paper studies the resource allocation algorithm design for multiuser coordinated multipoint (CoMP) networks with simultaneous wireless information and power transfer (SWIPT). In particular, remote radio heads (RRHs) are connected to a…

Information Theory · Computer Science 2014-07-03 Derrick Wing Kwan Ng , Robert Schober

This paper considers multiterminal networks with energy harvesting transmitter nodes that are also capable of wirelessly transferring energy to or receiving energy from other nodes in the network. In particular, the jointly optimal transmit…

Information Theory · Computer Science 2015-08-21 Kaya Tutuncuoglu , Aylin Yener

Waveform optimization has recently been shown to be a key technique to boost the efficiency and range of far-field wireless power transfer (WPT). Current research has optimized transmit waveform adaptive to channel state information (CSI)…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Yumeng Zhang , Bruno Clerckx

Millimeter wave (mmWave) communication technologies have recently emerged as an attractive solution to meet the exponentially increasing demand on mobile data traffic. Moreover, ultra dense networks (UDNs) combined with mmWave technology…

Information Theory · Computer Science 2017-04-25 H. Zhang , S. Huang , C. Jiang , K. Long , V. C. M. Leung , H. Vincent Poor