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Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectively surveilling illegitimate relay links poses a challenging problem.…

Information Theory · Computer Science 2024-07-11 Qian Dan , Hongjiang Lei , Ki-Hong Park , Weijia Lei , Gaofeng Pan

This paper focuses on spectrum sharing in heterogeneous wireless networks, where nodes with different Media Access Control (MAC) protocols to transmit data packets to a common access point over a shared wireless channel. While previous…

Information Theory · Computer Science 2024-12-06 Zhaoyang Liu , Xijun Wang , Chenyuan Feng , Xinghua Sun , Wen Zhan , Xiang Chen

Interference mitigation techniques are essential for improving the performance of interference limited wireless networks. In this paper, we introduce novel interference mitigation schemes for wireless cellular networks with space division…

Information Theory · Computer Science 2014-08-18 Martin Kasparick , Gerhard Wunder

Radio frequency (RF) wireless power transfer (WPT) is a key technology for future low-power wireless systems. However, the inherently low end-to-end power transfer efficiency (PTE) is challenging for practical applications. The main factors…

Signal Processing · Electrical Eng. & Systems 2024-05-10 Abdul Basit Khattak , Onel L. A. López , Amirhossein Azarbahram , Deepak Kumar , Matti Latva-aho

The main focus of this article is to achieve prolonged network lifetime with overall energy efficiency in wireless sensor networks through controlled utilization of limited energy. Major percentage of energy in wireless sensor network is…

Networking and Internet Architecture · Computer Science 2010-09-08 Kanojia Sindhuben Babulal , Rajiv Ranjan Tewari

In this letter, we consider a wireless-powered backscatter communication (WP-BackCom) network, where the transmitter first harvests energy from a dedicated energy RF source in the sleep state, and then backscatters information and harvests…

Information Theory · Computer Science 2019-06-04 Yinghui Ye , Liqin Shi , Rose Hu , Guangyue Lu

Dynamic spectrum sharing can provide many benefits to wireless networks operators. However, its efficiency requires sophisticated control mechanisms. The more context information is used by it, the higher performance of networks is…

Networking and Internet Architecture · Computer Science 2018-11-08 Paweł Kryszkiewicz , Adrian Kliks , Łukasz Kułacz , Hanna Bogucka , Georgios P. Koudouridis , Marcin Dryjański

Energy is one of the most important resources in wireless sensor networks. Recently, the mobility of base station has been exploited to preserve the energy. But in event driven networks, the mobility issue is quite different from the…

Networking and Internet Architecture · Computer Science 2016-11-17 Ming Zhao , Zhigang Chen , Xiaoheng Deng , Lianming Zhang , Anfeng Liu , Guosheng Huang

We study the problem of efficiently charging a set of rechargeable nodes using a set of wireless chargers, under safety constraints on the electromagnetic radiation incurred. In particular, we define a new charging model that greatly…

Networking and Internet Architecture · Computer Science 2021-09-27 Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

In future sixth-generation (6G) mobile networks, the Internet-of-Everything (IoE) is expected to provide extremely massive connectivity for small battery-powered devices. Indeed, massive devices with limited energy storage capacity impose…

Information Theory · Computer Science 2022-01-31 Enyu Shi , Jiayi Zhang , Shuaifei Chen , Jiakang Zheng , Yan Zhang , Derrick Wing Kwan Ng , Bo Ai

Wireless power transfer (WPT) technology enables a cost-effective and sustainable energy supply in wireless networks. However, the broadcast nature of wireless signals makes them non-excludable public goods, which leads to potential…

Networking and Internet Architecture · Computer Science 2019-08-29 Meng Zhang , Jianwei Huang , Rui Zhang

Reduction of wireless network energy consumption is becoming increasingly important to reduce environmental footprint and operational costs. A key concept to achieve it is the use of lean transmission techniques that dynamically…

Information Theory · Computer Science 2023-09-06 François Rottenberg

We propose a simple yet efficient scheme for a set of energy-harvesting sensors to establish secure communication with a common destination (a master node). An eavesdropper attempts to decode the data sent from the sensors to their common…

Networking and Internet Architecture · Computer Science 2016-12-26 Ahmed El Shafie , Naofal Al-Dhahir

We consider a binary hypothesis testing problem using Wireless Sensor Networks (WSNs). The decision is made by a fusion center and is based on received data from the sensors. We focus on a spectrum and energy efficient transmission scheme…

Information Theory · Computer Science 2018-11-14 Kobi Cohen , Amir Leshem

Millions of sensors, cameras, meters, and other edge devices are deployed in networks to collect and analyse data. In many cases, such devices are powered only by Energy Harvesting(EH) and have limited energy available to analyse acquired…

Networking and Internet Architecture · Computer Science 2022-05-31 Jernej Hribar , Ryoichi Shinkuma , George Iosifidis , Ivana Dusparic

With the rapidly increasing number of deployed LTE femtocell base stations (FBS), energy consumption of femtocell networks has become a serious environmental issue. Therefore, energy-efficient protocols are needed to balance the trade-off…

Networking and Internet Architecture · Computer Science 2015-08-07 Ying Wang , Xiangming Dai , Jason Min Wang , Brahim Bensaou

Reconfigurable Intelligent Surfaces (RISs) have gained immense popularity in recent years because of their ability to improve wireless coverage and their flexibility to adapt to the changes in a wireless environment. These advantages are…

Signal Processing · Electrical Eng. & Systems 2023-07-24 Morteza Tavana , Meysam Masoudi , Emil Björnson

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

In this paper, the rate-energy region is studied for the wireless sensor relay network (WSRN) with energy harvesting in the presence of a jammer. In the model, a source communicates to a destination equipped with a single antenna with…

Information Theory · Computer Science 2020-02-11 Minhan Tian , Guiguo Feng , Wangmei Guo , Jingliang Gao , Yongkang Li

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
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