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The combination of energy harvesting and large-scale multiple antenna technologies provides a promising solution for improving the energy efficiency (EE) by exploiting renewable energy sources and reducing the transmission power per user…

Information Theory · Computer Science 2016-11-17 Zhenyu Zhou , Sheng Zhou , Jie Gong , Zhisheng Niu

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

Information Theory · Computer Science 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

Extensive research has been done to achieve better throughput and reliability in wireless networks, with focus on multiple-input multiple-output systems. Recently, cooperative networking techniques have been investigated to increase the…

Networking and Internet Architecture · Computer Science 2019-11-19 Muhammad Asam , Zeeshan Haider , Tauseef Jamal , Kashif Ghuman , Aleena Ajaz

This letter considers a multi-pair decode-and-forward relay network where a power-splitting (PS) protocol is adopted at the energy-constrained relay to provide simultaneous wireless information and energy harvesting (EH). To achieve higher…

Signal Processing · Electrical Eng. & Systems 2020-03-20 Van-Phuc Bui , Van-Dinh Nguyen , Hieu V. Nguyen , Octavia A. Dobre , Oh-Soon Shin

Catering to the proliferation of Internet of Things devices and distributed machine learning at the edge, we propose an energy harvesting federated learning (EHFL) framework in this paper. The introduction of EH implies that a client's…

Signal Processing · Electrical Eng. & Systems 2022-02-17 Cong Shen , Jing Yang , Jie Xu

Energy harvesting (EH) cognitive relays are an exciting solution to the problem of inefficient use of spectrum while achieving green communications and spatial diversity. In a spectrum sharing scenario, we investigate the performance of a…

Information Theory · Computer Science 2015-09-01 Sanket S. Kalamkar , Subhajit Majhi , Adrish Banerjee

Heterogeneous network (HetNet) has been proposed as a promising solution for handling the wireless traffic explosion in future fifth-generation (5G) system. In this paper, a joint subchannel and power allocation problem is formulated for…

Signal Processing · Electrical Eng. & Systems 2019-03-04 Di Xu , Xiaojing Che , Changhao Wu , Shunqing Zhang , Shugong Xu , Shan Cao

In this paper, we propose a general model to study the full-duplex non-coherent decode-and-forward Gaussian relay channel with energy harvesting (EH) nodes, called NC-EH-$\mathcal{RC}$, in three cases: $i)$ no energy transfer (ET), $ii)$…

Networking and Internet Architecture · Computer Science 2021-04-07 Mahmood Mohassel Feghhi , Mahtab Mirmohseni , Aliazam Abbasfar

In wireless sensor networks, where energy is scarce, it is inefficient to have all nodes active because they consume a non-negligible amount of battery. In this paper we consider the problem of jointly selecting sensors, relays and links in…

Information Theory · Computer Science 2017-09-18 Rocio Arroyo-Valles , Andrea Simonetto , Geert Leus

This paper considers a multiple-input multiple-output (MIMO) relay system with an energy harvesting relay node. All nodes are equipped with multiple antennas, and the relay node depends on the harvested energy from the received signal to…

Information Theory · Computer Science 2017-03-31 Jialing Liao , Muhammad R. A. Khandaker , Kai-Kit Wong

The problem of relay selection is pivotal in the realm of cooperative communication. However, this issue has not been thoroughly examined, particularly when the background noise is assumed to possess an impulsive characteristic with…

Networking and Internet Architecture · Computer Science 2024-01-29 Hazem Barka , Md Sahabul Alam , Georges Kaddoum , Minh Au , Basile L. Agba

Radio-frequency energy harvesting constitutes an effective way to prolong the lifetime of wireless networks, wean communication devices off the battery and power line, benefit the energy saving and lower the carbon footprint of wireless…

Information Theory · Computer Science 2018-02-13 Yanju Gu , Sonia Aïssa

Due to the fundamental tradeoffs, achieving spectrum efficiency and energy efficiency are two contending design challenges for the future wireless networks. However, applying radio-frequency (RF) energy harvesting (EH) in a cognitive radio…

Information Theory · Computer Science 2016-11-17 Valentin Rakovic , Daniel Denkovski , Zoran Hadzi-Velkov , Liljana Gavrilovska

Cooperative relays improve reliability and coverage in wireless networks by providing multiple paths for data transmission. Relaying will play an essential role in vehicular networks at higher frequency bands, where mobility and frequent…

Signal Processing · Electrical Eng. & Systems 2022-12-21 Dohyun Kim , Miguel R. Castellanos , Robert W. Heath

In this paper, we investigate the problem of jointly selecting a predefined number of energy-harvesting (EH) sensors and computing the optimal power allocation. The ultimate goal is to minimize the reconstruction distortion at the fusion…

Information Theory · Computer Science 2016-08-15 Miguel Calvo-Fullana , Javier Matamoros , Carles Antón-Haro

In this paper, the deployment of federated learning (FL) is investigated in an energy harvesting wireless network in which the base station (BS) employs massive multiple-input multiple-output (MIMO) to serve a set of users powered by…

Information Theory · Computer Science 2021-06-17 Rami Hamdi , Mingzhe Chen , Ahmed Ben Said , Marwa Qaraqe , H. Vincent Poor

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for sustainable support of massive Internet of Things (IoT). However, RF-WPT systems are characterized by low efficiency due to channel attenuation, which can be…

Signal Processing · Electrical Eng. & Systems 2024-05-08 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Shashi Raj Pandey , Matti Latva-aho

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…

Information Theory · Computer Science 2017-02-01 Elena Boshkovska , Derrick Wing Kwan Ng , Nikola Zlatanov , Alexander Koelpin , Robert Schober

In this paper, we design a resource allocation algorithm for multiuser simultaneous wireless information and power transfer systems for a realistic non-linear energy harvesting (EH) model. In particular, the algorithm design is formulated…

Information Theory · Computer Science 2016-11-15 Elena Boshkovska , Rania Morsi , Derrick Wing Kwan Ng , Robert Schober

Energy harvesting (EH) nodes can play an important role in cooperative communication systems which do not have a continuous power supply. In this paper, we consider the optimization of conventional and buffer-aided link adaptive EH relaying…

Information Theory · Computer Science 2016-11-17 Imtiaz Ahmed , Aissa Ikhlef , Robert Schober , Ranjan K. Mallik