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This paper considers a two-user Gaussian interference channel with energy harvesting transmitters. Different than conventional battery powered wireless nodes, energy harvesting transmitters have to adapt transmission to availability of…

Information Theory · Computer Science 2015-03-19 Kaya Tutuncuoglu , Aylin Yener

This letter studies a multi-antenna wireless powered communication (WPC) system with co-channel energy and information transfer, where a wireless device (WD), powered up by wireless energy transfer (WET) from an energy transmitter (ET),…

Information Theory · Computer Science 2015-10-23 Yueling Che , Jie Xu , Lingjie Duan , Rui Zhang

Decentralized intersection control techniques have received attention in the literature as tools that address scalability issues of network intersection control. Chief among these techniques are backpressure (BP) control algorithms, which…

Systems and Control · Computer Science 2019-09-02 Li Li , Saif Eddin Jabari

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless powered communication network (WPCN), in which a UAV is dispatched as a mobile access point (AP) to serve a set of ground users periodically. The UAV employs the radio…

Information Theory · Computer Science 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

In this paper, we investigate resource allocation strategies for a point-to-point wireless communications system with hybrid energy sources consisting of an energy harvester and a conventional energy source. In particular, as an incentive…

Information Theory · Computer Science 2014-04-07 Xin Kang , Yeow-Khiang Chia , Chin Keong Ho , Sumei Sun

We investigate optimal resource allocation for delay-limited cooperative communication in time varying wireless networks. Motivated by real-time applications that have stringent delay constraints, we develop a dynamic cooperation strategy…

Information Theory · Computer Science 2009-10-08 Rahul Urgaonkar , Michael J. Neely

This paper investigates a multi-input single-output (MISO) wireless powered communication network (WPCN) under the protocol of harvest-then-transmit. The power station (PS) with reliable power supply can replenish the passive user nodes by…

Information Theory · Computer Science 2014-12-30 Qian Sun , Gang Zhu , Chao Shen , Xuan Li , Zhangdui Zhong

We consider the Network Utility Maximization (NUM) problem for wireless networks in the presence of arbitrary types of flows, including unicast, broadcast, multicast, and anycast traffic. Building upon the recent framework of a universal…

Optimization and Control · Mathematics 2018-03-02 Abhishek Sinha , Eytan Modiano

We investigate the long-term scheduling and power control scheme for a wirelessly powered cell-free Internet of Things (IoT) network which consists of distributed access points (APs) and large number of sensors. In each time slot, a subset…

Signal Processing · Electrical Eng. & Systems 2020-04-14 Xinhua Wang , Xiaodong Wang , Alexei Ashikhmin

Wireless energy transfer (WET) is emerging as an enabling green technology for Internet of Things (IoT) networks. WET allows the IoT devices to wirelessly recharge their batteries with energy from external sources such as dedicated radio…

Signal Processing · Electrical Eng. & Systems 2021-03-05 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves , Samuel Montejo-Sánchez , Matti Latva-aho

The integration of Mobile Edge Computing (MEC) and Wireless Power Transfer (WPT), which is usually referred to as Wireless Powered Mobile Edge Computing (WP-MEC), has been recognized as a promising technique to enhance the lifetime and…

Networking and Internet Architecture · Computer Science 2021-04-23 Xingqiu He , Yuhang Shen , Xiong Wang , Sheng Wang , Shizhong Xu , Jing Ren

Wireless energy transfer, namely RF-based energy harvesting, is a potential way to prolong the lifetime of energy-constrained devices, especially in wireless sensor networks. However, due to huge propagation attenuation, its energy…

Information Theory · Computer Science 2016-11-17 Tao Li , Pingyi Fan , Zhengchuan Chen , Khaled Ben Letaief

In this paper we consider wireless energy transfer for a point-to-point link. The energy transmitter sees a finite number of independent channel realizations, and, armed with (causal) knowledge of the channels, must decide how much energy…

Signal Processing · Electrical Eng. & Systems 2019-02-08 Amanthi Thudugalage , Saman Atapattu , Jamie Evans

This paper considers an energy harvesting underlay cognitive radio network operating in a slotted fashion. The secondary transmitter scavenges energy from environmental sources in half duplex fashion and stores it in finite capacity…

Information Theory · Computer Science 2017-09-04 Kalpant Pathak , Prachi Bansal , Adrish Banerjee

We consider a system where multiple sensors communicate timely information about various random processes to a sink. The sensors share orthogonal sub-channels to transmit such information in the form of status update packets. A central…

Information Theory · Computer Science 2021-02-08 Mohammad Moltafet , Markus Leinonen , Marian Codreanu , Nikolaos Pappas

Wireless devices need to adapt their transmission power according to the fluctuating wireless channel in order to meet constraints of delay sensitive applications. In this paper, we consider delay sensitivity in the form of strict packet…

Information Theory · Computer Science 2018-09-21 Emmanouil Fountoulakis , Nikolaos Pappas , Qi Liao , Anthony Ephremides , Vangelis Angelakis

Energy harvesting sensor nodes are gaining popularity due to their ability to improve the network life time and are becoming a preferred choice supporting 'green communication'. In this paper we focus on communicating reliably over an AWGN…

Information Theory · Computer Science 2012-12-14 Rajesh Ramachandran , Vinod Sharma , Pramod Viswanath

Energy harvesting (EH) in wireless communications has become the focus of recent transmission technology studies. Herein, energy storage modeling is one of the crucial design benchmarks that must be treated carefully. Understanding the…

Information Theory · Computer Science 2019-08-06 Sami Akın , M Cenk Gursoy

Wireless power transfer (WPT) technology provides a cost-effective solution to achieve sustainable energy supply in wireless networks, where WPT-enabled energy nodes (ENs) can charge wireless devices (WDs) remotely without interruption to…

Networking and Internet Architecture · Computer Science 2016-08-17 Suzhi Bi , Rui Zhang

A Wireless Sensor Network (WSN) is made up of a large number of nodes that are spread randomly or on a regular basis to detect the surrounding environment and transfer data to a base station (BS) over the Internet to the user. It is widely…

Networking and Internet Architecture · Computer Science 2022-03-30 Ghassan Samara , Mohammad A. Hassan , Munir Al-Okour