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Motivated by the need for fast synchronized operation of power microgrids, we analyze the problem of single and multiple pinning in networked systems. We derive lower and upper bounds on the algebraic connectivity of the network with…

Systems and Control · Computer Science 2017-09-19 S. Manaffam , M. K. Talebi , A. K. Jain , A. Behal

This paper examines the problem of assigning a transmission power to every node of a wireless sensor network. The goal is to minimize the total power consumption while ensuring that the resulting communication graph is connected. We focus…

Data Structures and Algorithms · Computer Science 2016-05-09 Stefan Hoffmann , Egon Wanke

In this paper, we study resource allocation for a full-duplex (FD) radio base station serving multiple half-duplex (HD) downlink and uplink users simultaneously. The considered resource allocation algorithm design is formulated as a…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Yan Sun , Robert Schober

We consider the problem of scheduling wireless links in the physical model, where we seek an assignment of power levels and a partition of the given set of links into the minimum number of subsets satisfying the…

Networking and Internet Architecture · Computer Science 2015-02-19 Magnus M. Halldorsson , Tigran Tonoyan

We consider power allocations in downlink cellular wireless systems where the basestations are equipped with multiple transmit antennas and the mobile users are equipped with single receive antennas. Such systems can be modeled as multiuser…

Information Theory · Computer Science 2013-03-20 Weiqiang Xu , Xiaodong Wang , Saleh Alshomrani

Intelligent reflecting surfaces (IRSs) are regarded as a key enabler of green wireless communication, due to their capability of customizing favorable wireless propagation environments. In this paper, we investigate resource allocation for…

Information Theory · Computer Science 2020-11-13 Xianghao Yu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober

This letter studies the signal-to-interference-plus-noise (SINR) meta distribution of uplink transmission of UAV-enabled wireless networks with inversion power control. Within a framework of stochastic geometry, the Matern cluster process…

Systems and Control · Electrical Eng. & Systems 2023-01-23 Yujie Qin , Mustafa A. Kishk , Mohamed-Slim Alouini

A unified analytical framework for optimum power allocation in the unordered V-BLAST algorithm and its comparative performance analysis are presented. Compact closed-form approximations for the optimum power allocation are derived, based on…

Information Theory · Computer Science 2016-11-15 Victoria Kostina , Sergey Loyka

Signal-strength models of wireless communications capture the gradual fading of signals and the additivity of interference. As such, they are closer to reality than other models. However, nearly all theoretic work in the SINR model depends…

Networking and Internet Architecture · Computer Science 2014-02-21 Marijke H. L. Bodlaender , Magnús M. Halldórsson

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

We study the problem of optimal power allocation in a single-hop ad hoc wireless network. In solving this problem, we propose a hybrid neural architecture inspired by the algorithmic unfolding of the iterative weighted minimum mean squared…

Signal Processing · Electrical Eng. & Systems 2021-02-02 Arindam Chowdhury , Gunjan Verma , Chirag Rao , Ananthram Swami , Santiago Segarra

In this paper, we consider the network utility maximization problem with various user priorities via jointly optimizing user association, load distribution and power control in a load-coupled heterogeneous network. In order to tackle the…

Information Theory · Computer Science 2017-10-19 Zhaohui Yang , Wei Xu , Jianfeng Shi , Hao Xu , Ming Chen

We introduce a unified framework for analyzing utility regions of wireless networks, with a focus on signal-to-interference-plus-noise-ratio (SINR) and achievable rate regions. The framework provides valuable insights into interference…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Renato Luis Garrido Cavalcante , Tomasz Piotrowski , Slawomir Stanczak

We investigate power allocation for users in a spectrum underlay cognitive network. Our objective is to find a power control scheme that allocates transmit power for both primary and secondary users so that the overall network throughput is…

Information Theory · Computer Science 2010-02-09 John Tadrous , Ahmed Sultan , Mohammed Nafie , Amr El-Keyi

We consider resource management problems in multi-user wireless networks, which can be cast as optimizing a network-wide utility function, subject to constraints on the long-term average performance of users across the network. We propose a…

Machine Learning · Computer Science 2022-12-16 Navid NaderiAlizadeh , Mark Eisen , Alejandro Ribeiro

Multiple-input multiple-output (MIMO) systems greatly increase the overall throughput of wireless systems since they are capable of transmitting multiple streams employing the same time-frequency resources. However, this gain requires an…

Information Theory · Computer Science 2022-02-15 A. Flores , R. C. de Lamare

We consider the distributed uplink resource allocation problem in a multi-carrier wireless network with multiple access points (APs). Each mobile user can optimize its own transmission rate by selecting a suitable AP and by controlling its…

Information Theory · Computer Science 2016-08-24 Mingyi Hong , Alfredo Garcia , Jorge Barrera , Stephen G. Wilson

This paper studies optimum power control and sum-rate scaling laws for the distributed cognitive uplink. It is first shown that the optimum distributed power control policy is in the form of a threshold based water-filling power control.…

Information Theory · Computer Science 2013-04-09 Ehsan Nekouei , Hazer Inaltekin , Subhrakanti Dey

This paper considers an orthogonal frequency division multiplexing (OFDM) point-to-point wireless communication system with simultaneous wireless information and power transfer. We study a receiver which is able to harvest energy from the…

Information Theory · Computer Science 2013-03-12 Derrick Wing Kwan Ng , Robert Schober

In this paper, we study the downlink multiuser scheduling problem for systems with simultaneous wireless information and power transfer (SWIPT). We design optimal scheduling algorithms that maximize the long-term average system throughput…

Information Theory · Computer Science 2015-05-26 Maryna Chynonova , Rania Morsi , Derrick Wing Kwan Ng , Robert Schober
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