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In this paper, we consider the energy-bandwidth allocation for a network of multiple users, where the transmitters each powered by both an energy harvester and conventional grid, access the network orthogonally on the assigned frequency…

Information Theory · Computer Science 2017-08-04 Vaneet Aggarwal , Mark R. Bell , Anis Elgabli , Xiaodong Wang , Shan Zhong

In a wireless powered communication network (WPCN), an energy access point supplies the energy needs of the network nodes through radio frequency wave transmission, and the nodes store the received energy in their batteries for their future…

Signal Processing · Electrical Eng. & Systems 2018-11-27 Mohammad Movahednasab , Naeimeh Omidvar , Mohammad Reza Pakravan , Tommy Svensson

This paper considers a multi-user simultaneous wireless information and power transfer (SWIPT) system with a non-linear energy harvesting model, in which a multi-antenna base station (BS) estimates the downlink channel state information…

Information Theory · Computer Science 2018-06-22 Ha-Vu Tran , Georges Kaddoum , Kien T. Truong

This paper considers an orthogonal frequency division multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed that the receiver is able to harvest energy from noise,…

Information Theory · Computer Science 2016-11-18 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

This paper analyzes the communication between two energy harvesting wireless sensor nodes. The nodes use automatic repeat request and forward error correction mechanism for the error control. The random nature of available energy and…

Information Theory · Computer Science 2017-10-26 Animesh Yadav , Mathew Goonewardena , Wessam Ajib , Octavia A. Dobre , Halima Elbiaze

The mobile edge computing framework offers the opportunity to reduce the energy that devices must expend to complete computational tasks. The extent of that energy reduction depends on the nature of the tasks, and on the choice of the…

Information Theory · Computer Science 2019-05-01 Mahsa Salmani , Timothy N. Davidson

In this paper, we study the resource allocation and user scheduling algorithm for minimizing the energy cost of data transmission in the context of OFDMA collaborative mobile cloud (CMC) with simultaneous wireless information and power…

Networking and Internet Architecture · Computer Science 2014-10-02 Zheng Chang , Jie Gong , Tapani Ristaniemi , Zhisheng Niu

In this paper, we study the energy-efficient user access control (UAC) based on resource allocation (RA) in heterogeneous cellular networks (HCNs) with the required downlink data rate under non-ideal power amplifiers (PAs) and circuit…

Information Theory · Computer Science 2018-01-08 Yuhao Zhang , Qimei Cui , Ning Wang

In this paper, we propose an online power allocation scheme to maximize the time averaged sum rate for multiple downlink receivers with energy harvesting transmitter. The transmitter employs non-orthogonal multiple access (NOMA) and/or…

Information Theory · Computer Science 2019-11-21 Mateen Ashraf , Zijian Wang , Luc Vandendorpe

In this paper, the sum-rate maximization problem is studied for wireless networks that use downlink rate splitting multiple access (RSMA). In the considered model, each base station (BS) divides the messages that must be transmitted to its…

Signal Processing · Electrical Eng. & Systems 2019-03-20 Zhaohui Yang , Mingzhe Chen , Walid Saad , Mohammad Shikh-Bahaei

We consider a cognitive radio network in a multi-channel licensed environment. Secondary user transmits in a channel if the channel is sensed to be vacant. This results in a tradeoff between sensing time and transmission time. When…

Information Theory · Computer Science 2017-01-24 Kedar Kulkarni , Adrish Banerjee

Energy harvesting multi-hop networks allow for perpetual operation of low cost, limited range wireless devices. Compared with their battery operated counterparts, the coupling of energy and data causality constraints with half duplex relay…

Information Theory · Computer Science 2015-07-14 Oner Orhan , Elza Erkip

This paper investigates resource allocation for simultaneous wireless information and power transfer (SWIPT) downlink systems based on a non-linear energy harvesting model. The resource allocation algorithm design is formulated as a…

Information Theory · Computer Science 2016-11-17 Elena Boshkovska , Alexander Koelpin , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

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

We propose novel resource allocation algorithms that have the objective of finding a good tradeoff between resource reuse and interference avoidance in wireless networks. To this end, we first study properties of functions that relate the…

Signal Processing · Electrical Eng. & Systems 2018-01-19 Qi Liao , R. L. G. Cavalcante

Providing femto-access points (FAPs) with computational capabilities will allow (either total or partial) offloading of highly demanding applications from smart-phones to the so called femto-cloud. Such offloading promises to be beneficial…

Information Theory · Computer Science 2015-11-23 Olga Muñoz , Antonio Pascual-Iserte , Josep Vidal

This paper studies the energy efficiency of the cloud radio access network (C-RAN), specifically focusing on two fundamental and different downlink transmission strategies, namely the data-sharing strategy and the compression strategy. In…

Information Theory · Computer Science 2016-01-08 Binbin Dai , Wei Yu

Spectrum management has been identified as a crucial step towards enabling the technology of a cognitive radio network (CRN). Most of the current works dealing with spectrum management in the CRN focus on a single task of the problem, e.g.,…

Information Theory · Computer Science 2011-02-11 Mingyi Hong , Alfredo Garcia , Stephen Wilson

We examine the problem of optimizing resource allocation in the uplink for a user-centric, cell-free, multi-input multi-output network. We start by modeling and developing resource allocation algorithms for two standard network operation…

Information Theory · Computer Science 2024-06-11 Zehua Li , Raviraj Adve

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