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Energy harvesting is a technology for enabling green, sustainable, and autonomous wireless networks. In this paper, a large-scale wireless network with energy harvesting transmitters is considered, where a group of transmitters forms a…

Information Theory · Computer Science 2015-11-12 Talha Ahmed Khan , Philip Orlik , Kyeong Jin Kim , Robert W. Heath , Kentaro Sawa

We investigate transmission energy minimization via optimizing wireless relay selection in orthogonal-frequency-division multiple access (OFDMA) networks. We take into account the impact of the load of cells on transmission energy. We prove…

Information Theory · Computer Science 2017-06-23 Lei You , Di Yuan , Nikolaos Pappas , Peter Värbrand

Harvesting energy from the radio-frequency (RF) signal is an exciting solution to replenish energy in energy-constrained wireless networks. In this paper, an amplify-and-forward (AF) based wireless relay network is considered, where the…

Information Theory · Computer Science 2014-08-12 Jing Yan , Chao Zhang , Zhenzhen Gao

In this paper, we study wireless networked control systems in which the sensing devices are powered by energy harvesting. We consider a scenario with multiple plants, where the sensors communicate their measurements to their respective…

Optimization and Control · Mathematics 2018-01-31 Miguel Calvo-Fullana , Carles Antón-Haro , Javier Matamoros , Alejandro Ribeiro

This paper studies a novel user cooperation method in a wireless powered communication network (WPCN), where a pair of distributed terminal users first harvest wireless energy broadcasted by one energy node (EN) and then use the harvested…

Information Theory · Computer Science 2016-11-18 Mingquan Zhong , Suzhi Bi , Xiaohui Lin

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

This paper considers a two-hop network consisting of a source, two parallel half-duplex relay nodes, and two destinations. While the destinations have an adequate power supply, the source and relay nodes rely on harvested energy for data…

Signal Processing · Electrical Eng. & Systems 2018-03-06 Sharief Abdel-Razeq , Ming Zhao , Shengli Zhou , Zhengdao Wang

To realize cooperative computation and communication in a relay mobile edge computing system, we develop a hybrid relay forward protocol, where we seek to balance the execution delay and network energy consumption. The problem is formulated…

Information Theory · Computer Science 2017-11-01 Xihan Chen , Qingjiang Shi , Yunlong Cai , Minjian Zhao , Mingjie Zhao

This letter studies a wireless-powered amplify-and-forward relaying system, where an energy-constrained relay node assists the information transmission from the source to the destination using the energy harvested from the source. We…

Information Theory · Computer Science 2014-11-13 Yong Zeng , Rui Zhang

We consider a two-hop communication network consisted of a source node, a relay and a destination node in which the source and the relay node have external traffic arrivals. The relay forwards a fraction of the source node's traffic to the…

Information Theory · Computer Science 2016-11-18 Nikolaos Pappas , Marios Kountouris , Jeongho Jeon , Anthony Ephremides , Apostolos Traganitis

In this paper, we consider a full duplex wireless powered communication network where multiple users with RF energy harvesting capabilities communicate to a hybrid energy and information access point. An optimization framework is proposed…

Information Theory · Computer Science 2019-10-30 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

In this paper, a transmission strategy of fountain codes over cooperative relay networks is proposed. When more than one relay nodes are available, we apply network coding to fountain-coded packets. By doing this, partial information is…

Information Theory · Computer Science 2015-03-17 E. Kurniawan , S. Sun , K. Yen , K. F. E. Chong

This paper considers a multi-user system, where the users first harvest energy from the base station and then use the harvested energy to transmit information via non-orthogonal multiple access (NOMA). A pinching antenna array is adopted to…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Xingwang Li , Fang Fang

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 probability. Specifically, random arrival traffic is considered…

Signal Processing · Electrical Eng. & Systems 2020-02-28 Kunlun Wang , Qingqing Wu , Wen Chen , Yang Yang , Derrick Wing Kwan Ng

In this paper, joint resource allocation and power control for energy efficient device-to-device (D2D) communications underlaying cellular networks are investigated. The resource and power are optimized for maximization of the energy…

Information Theory · Computer Science 2017-03-22 Yanxiang Jiang , Qiang Liu , Fuchun Zheng , Xiqi Gao , Xiaohu You

While two-way relaying is a promising way to enhance the spectral efficiency of wireless networks, the imbalance of relay-user distances may lead to excessive wireless power at the nearby-users. To exploit the excessive power, the recently…

Information Theory · Computer Science 2017-07-11 Shuai Wang , Minghua Xia , Yik-Chung Wu

In recent years, wireless communication systems are expected to achieve more cost-efficient and sustainable operations by replacing conventional fixed power supplies such as batteries with energy harvesting (EH) devices, which could provide…

Information Theory · Computer Science 2016-07-19 Hang Li , Jie Xu , Rui Zhang , Shuguang Cui

We consider the energy savings that can be obtained by employing network coding instead of plain routing in wireless multiple unicast problems. We establish lower bounds on the benefit of network coding, defined as the maximum of the ratio…

Information Theory · Computer Science 2011-08-19 Jasper Goseling , Ruytaroh Matsumoto , Tomohiko Uyematsu , Jos H. Weber

In this paper, short-term throughput optimal power allocation policies are derived for an energy harvesting transmitter with energy storage losses. In particular, the energy harvesting transmitter is equipped with a battery that loses a…

Information Theory · Computer Science 2015-03-20 Kaya Tutuncuoglu , Aylin Yener

To sustain communication reliability and use the harvested energy effectively, it is crucial to consider energy sharing between energy harvesting tags (EHT) in a multiple access network, which are basic building blocks for the internet of…

Signal Processing · Electrical Eng. & Systems 2021-11-19 Mengistu Abera Mulatu , Thembelihle Dlamini , Thokozani Shongwe , Mzabalazo Lupupa