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This letter studies a radio-frequency (RF) multi-user wireless power transfer (WPT) system, where an energy transmitter (ET) with a large number of antennas delivers energy wirelessly to multiple distributed energy receivers (ERs). We…

Information Theory · Computer Science 2017-06-26 Seunghyun Lee , Yong Zeng , Rui Zhang

This paper develops and evaluates an accumulate-then-transmit framework for multi-user scheduling in a full-duplex (FD) wireless-powered Internet-of-Things system, consisting of multiple energy harvesting (EH) IoT devices (IoDs) and one FD…

Information Theory · Computer Science 2018-03-07 Di Zhai , He Chen , Zihuai Lin , Yonghui Li , Branka Vucetic

It has been shown that using appropriate channel coding schemes in wireless environments, transmission energy can be significantly reduced by controlling the packet transmission rate. This paper seeks optimal solutions for downlink…

Optimization and Control · Mathematics 2016-11-17 Lei Miao , Jianfeng Mao , Christos G. Cassandras

In this paper, we consider the sum $\alpha$-fair utility maximization problem for joint downlink (DL) and uplink (UL) transmissions of a wireless powered communication network (WPCN) via time and power allocation. In the DL, the users with…

Information Theory · Computer Science 2018-02-15 Zhaohui Yang , Wei Xu , Yijin Pan , Cunhua Pan , Ming Chen

We consider the problem of data collection from a continental-scale network of energy harvesting sensors, applied to tracking mobile assets in rural environments. Our application constraints favour a highly asymmetric solution, with heavily…

Networking and Internet Architecture · Computer Science 2016-03-09 Kai Li , Chau Yuen , Branislav Kusy , Raja Jurdak , Aleksandar Ignjatovic , Salil S. Kanhere , Sanjay Jha

Resource allocation is a key factor in multiuser (MU) multiple-input multiple-output (MIMO) wireless systems to provide high quality of service to all user equipments (UEs). In congested scenarios, UE scheduling enables UEs to be…

Information Theory · Computer Science 2026-03-04 Victoria Palhares , Christoph Studer

This paper focuses on the design of an optimal resource allocation scheme to maximize the energy efficiency (EE) in a simultaneous wireless information and power transfer (SWIPT) enabled two-way decode-and-forward (DF) relay network under a…

Information Theory · Computer Science 2019-03-20 Liqin Shi , Yinghui Ye , Rose Qingyang Hu , Hailin Zhang

In this paper we initiate the study of minimizing power consumption in the broadcast scheduling model. In this setting there is a wireless transmitter. Over time requests arrive at the transmitter for pages of information. Multiple requests…

Data Structures and Algorithms · Computer Science 2010-07-23 Benjamin Moseley

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

We study the problem of user-scheduling and resource allocation in distributed multi-user, multiple-input multiple-output (MIMO) networks implementing user-centric clustering and non-coherent transmission. We formulate a weighted sum-rate…

Information Theory · Computer Science 2021-02-08 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau , Kothapalli Srinivas

In this paper, we study the resource allocation algorithm design for multiuser orthogonal frequency division multiplexing (OFDM) downlink systems with simultaneous wireless information and power transfer. The algorithm design is formulated…

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

We investigate the network stability problem when two users are scheduled simultaneously. The key idea is to simultaneously transmit to more than one users experiencing different channel conditions by employing hierarchical modulation. For…

Networking and Internet Architecture · Computer Science 2012-01-06 Mehmet Karaca , Ozgur Ercetin

The downlink transmission in multi-user multiple-input multiple-output (MIMO) systems has been extensively studied from both communication-theoretic and information-theoretic perspectives. Most of these papers assume perfect/imperfect…

Information Theory · Computer Science 2008-05-05 Jubin Jose , Alexei Ashikhmin , Phil Whiting , Sriram Vishwanath

The design of a scheduling scheme is crucial for the efficiency and user-fairness of wireless networks. Assuming that the quality of all user channels is available to a central controller, a simple scheme which maximizes the utility…

Information Theory · Computer Science 2010-09-15 Hui Zhou , Pingyi Fan , Dongning Guo

Most of the existing works on energy-efficient wireless communication systems only consider the transmitter (Tx) or the receiver (Rx) side power consumption but not both. Moreover, they often assume the static circuit power consumption. To…

Information Theory · Computer Science 2015-02-03 Qingqing Wu , Meixia Tao , Wen Chen

This paper provides the signal-to-interference-plus-noise ratio (SINR) complimentary cumulative distribution function (CCDF) and average data rate of the normalized SNR-based scheduling in an uplink cellular network using stochastic…

Information Theory · Computer Science 2018-02-08 Shotaro Kamiya , Koji Yamamoto , Seong-Lyun Kim , Takayuki Nishio , Masahiro Morikura

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

Multiuser diversity (MUDiv) is one of the central concepts in multiuser (MU) systems. In particular, MUDiv allows for scheduling among users in order to eliminate the negative effects of unfavorable channel fading conditions of some users…

Information Theory · Computer Science 2015-05-18 Youngwook Ko , Sergiy~A. ~Vorobyov , Masoud Ardakani

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 analyze the performance of single stream and multi-stream spatial multiplexing (SM) systems employing opportunistic scheduling in the presence of interference. In the proposed downlink framework, every active user reports…

Information Theory · Computer Science 2013-07-16 Kiran Kuchi