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In this paper, we investigate resource allocation algorithm design for full-duplex (FD) cognitive radio systems. The secondary network employs a FD base station for serving multiple half-duplex downlink and uplink users simultaneously. We…

Information Theory · Computer Science 2016-02-23 Yan Sun , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

This paper proposes a multi-agent reinforcement learning based medium access framework for wireless networks. The access problem is formulated as a Markov Decision Process (MDP), and solved using reinforcement learning with every network…

Machine Learning · Computer Science 2021-04-30 Hrishikesh Dutta , Subir Biswas

In this paper, we consider the problem of power efficient uplink scheduling in a Time Division Multiple Access (TDMA) system over a fading wireless channel. The objective is to minimize the power expenditure of each user subject to…

Networking and Internet Architecture · Computer Science 2007-10-08 Nitin Salodkar , Abhay Karandikar , Vivek S. Borkar

We consider energy-efficient wireless resource management in cellular networks where BSs are equipped with energy harvesting devices, using statistical information for traffic intensity and harvested energy. The problem is formulated as…

Information Theory · Computer Science 2016-11-15 Jie Gong , John S. Thompson , Sheng Zhou , Zhisheng Niu

This letter introduces a novel wireless powered communication system, referred to as a wireless powered pinching-antenna network (WPPAN), utilizing a single waveguide with pinching antennas to address the double near-far problem inherent in…

In this paper, we consider a class of wireless powered communication devices using hybrid automatic repeat request (HARQ) protocol to ensure reliable communications. In particular, we analyze the trade-off between accumulating mutual…

Performance · Computer Science 2019-02-14 Mehdi Salehi Heydar Abad , Ozgur Ercetin , Tamer Elbatt , Mohammed Nafie

This paper considers an intelligent reflecting surface(IRS)-aided wireless powered communication network (WPCN), where devices first harvest energy from a power station (PS) in the downlink (DL) and then transmit information using…

Information Theory · Computer Science 2021-09-03 Piao Zeng , Qingqing Wu , Deli Qiao

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

In this work, we investigate the capacity allocation problem in the energy harvesting wireless sensor networks (WSNs) with interference channel. For the fixed topologies of data and energy, we formulate the optimization problem when the…

Networking and Internet Architecture · Computer Science 2018-10-31 Dongbin Jiao , Liangjun Ke , Shengbo Liu , Felix T. S. Chan

This paper studies the resource allocation algorithm design for secure information and renewable green energy transfer to mobile receivers in distributed antenna communication systems. In particular, distributed remote radio heads…

Information Theory · Computer Science 2015-05-12 Derrick Wing Kwan Ng , Robert Schober

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 studies intelligent reflecting surface (IRS)-aided full-duplex (FD) wireless-powered communication network (WPCN), where a hybrid access point (HAP) broadcasts energy signals to multiple devices for their energy harvesting in the…

Information Theory · Computer Science 2021-08-17 Meng Hua , Qingqing Wu

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

In this paper, we optimize the energy efficiency (bits/s/Hz/J) of device-to-multi-device (D2MD) wireless communications. While the device-to-device scenario has been extensively studied to improve the spectral efficiency in cellular…

Networking and Internet Architecture · Computer Science 2019-08-19 Mariem Hmila , Manuel Fernández-Veiga , Miguel Rodríguez-Pérez , Sergio Herrería-Alonso

Benefited from the advances of deep learning (DL) techniques, deep joint source-channel coding (JSCC) has shown its great potential to improve the performance of wireless transmission. However, most of the existing works focus on the…

Information Theory · Computer Science 2022-11-22 Kaiyi Chi , Qianqian Yang , Zhaohui Yang , Yiping Duan , Zhaoyang Zhang

This paper proposes a novel design on the wireless powered communication network (WPCN) in dynamic environments under the assistance of multiple unmanned aerial vehicles (UAVs). Unlike the existing studies, where the low-power wireless…

Networking and Internet Architecture · Computer Science 2024-06-10 Ze Yu Zhao , Yue Ling Che , Sheng Luo , Gege Luo , Kaishun Wu , Victor C. M. Leung

This paper investigates a secure wireless-powered multiantenna multicasting system, where multiple power beacons (PBs) supply power to a transmitter in order to establish a reliable communication link with multiple legitimate users in the…

Information Theory · Computer Science 2017-06-08 Zheng Chu , Huan X. Nguyen , Giuseppe Caire

We study the problem of building a maximum lifetime data collection tree for periodic convergecast applications in wireless sensor networks. We experimentally observe that if two nodes transmit same number of data packets, the amount of…

Networking and Internet Architecture · Computer Science 2020-06-11 Jobish John , Gaurav S Kasbekar , Maryam Shojaei Baghini

We consider the problem of estimating the states of weakly coupled linear systems from sampled measurements. We assume that the total capacity available to the sensors to transmit their samples to a network manager in charge of the…

Systems and Control · Computer Science 2016-10-25 Xudong Chen , M. -A. Belabbas , Tamer Basar

In order to meet the growing mobile data demand, future wireless networks will be equipped with a multitude of access points (APs). Besides the important implications for the energy consumption, the trend towards densification requires the…

Information Theory · Computer Science 2016-04-20 Giovanni Geraci , Matthias Wildemeersch , Tony Q. S. Quek