English
Related papers

Related papers: Power Control and Interference Management in Dense…

200 papers

In this paper, we investigate the problems of sum power minimization and sum rate maximization for multi-cell networks with non-orthogonal multiple access. Considering the sum power minimization, we obtain closed-form solutions to the…

Information Theory · Computer Science 2017-11-03 Zhaohui Yang , Cunhua Pan , Yijin Pan , Wei Xu , Ming Chen , Maged Elkashlan

Future wireless networks will be characterized by heterogeneous traffic requirements. Such requirements can be low-latency or minimum-throughput. Therefore, the network has to adjust to different needs. Usually, users with low-latency…

Networking and Internet Architecture · Computer Science 2020-11-10 Emmanouil Fountoulakis , Nikolaos Pappas , Anthony Ephremides

This paper considers a wireless powered communication network (WPCN), where multiple users harvest energy from a dedicated power station and then communicate with an information receiving station. Our goal is to investigate the maximum…

Information Theory · Computer Science 2017-04-12 Qingqing Wu , Meixia Tao , Derrick Wing Kwan Ng , Wen Chen , Robert Schober

In this paper, we aim to maximize the energy efficiency of cellular wireless networks. Specifically, we address the power allocation problem in multi-cell multi-carrier systems. Considering realistic base station power consumption models,…

Networking and Internet Architecture · Computer Science 2016-10-18 Kemal Davaslioglu , Cemil Can Coskun , Ender Ayanoglu

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

We consider a power-controlled wireless network with an established network topology in which the communication links (transmitter-receiver pairs) are corrupted by the co-channel interference and background noise. We have fairly general…

Information Theory · Computer Science 2009-07-21 Sławomir Stańczak , Michał Kaliszan , Nicholas Bambos , Marcin Wiczanowski

This paper considers the sum spectral efficiency (SE) optimization problem in multi-cell Massive MIMO systems with a varying number of active users. This is formulated as a joint pilot and data power control problem. Since the problem is…

Information Theory · Computer Science 2020-05-28 Trinh Van Chien , Thuong Nguyen Canh , Emil Björnson , Erik G. Larsson

Rapid technological advances in the domain of Wireless Power Transfer (WPT) pave the way for novel methods for power management in systems of wireless devices and recent research works have already started considering algorithmic solutions…

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

We consider the problem of optimal reactive power compensation for the minimization of power distribution losses in a smart microgrid. We first propose an approximate model for the power distribution network, which allows us to cast the…

Optimization and Control · Mathematics 2013-12-17 Saverio Bolognani , Sandro Zampieri

We consider a multicast scheme recently proposed for a wireless downlink in [1]. It was shown earlier that power control can significantly improve its performance. However for this system, obtaining optimal power control is intractable…

Networking and Internet Architecture · Computer Science 2019-10-25 Ramkumar Raghu , Pratheek Upadhyaya , Mahadesh Panju , Vaneet Aggarwal , Vinod Sharma

We propose a learning-based framework for efficient power allocation in ad hoc interference networks under episodic constraints. The problem of optimal power allocation -- for maximizing a given network utility metric -- under instantaneous…

Signal Processing · Electrical Eng. & Systems 2024-01-22 Arindam Chowdhury , Santiago Paternain , Gunjan Verma , Ananthram Swami , Santiago Segarra

We study a fundamental measure for wireless interference in the SINR model known as (weighted) inductive independence. This measure characterizes the effectiveness of using oblivious power --- when the power used by a transmitter only…

Data Structures and Algorithms · Computer Science 2013-10-04 Magnus M. Halldorsson , Stephan Holzer , Pradipta Mitra , Roger Wattenhofer

This study deals with the problem of optimizing transmit power in high density heterogeneous networks. In the communication network, effective methods of allocating transmit power, in order to reduce the total transmit power, but still…

Signal Processing · Electrical Eng. & Systems 2021-12-23 Nguyen Doan Hieu , Dao Le Thu Thao , Tran Manh Hoang

The densification and expansion of wireless network pose new challenges on interference management and reducing energy consumption. This paper studies energy-efficient resource management in heterogeneous networks by jointly optimizing cell…

Information Theory · Computer Science 2016-02-11 Quan Kuang , Wolfgang Utschick

In this paper, we analyze the problem of power control in a multiuser MIMO network, where the optimal linear precoder is employed in each user to achieve maximum point- to-point information rate. We design a distributed power control…

Computer Science and Game Theory · Computer Science 2014-12-03 Peyman Siyari , Hassan Aghaeinia

In this paper, we address the problem of coordinating a set of distributed energy resources (DERs) to regulate voltage in power distribution systems to desired levels. To this end, we formulate the voltage control problem as an optimization…

Optimization and Control · Mathematics 2020-06-09 Hanchen Xu , Alejandro D. Domínguez-García , Peter W. Sauer

Multicasting in wireless systems is a natural way to exploit the redundancy in user requests in a Content Centric Network. Power control and optimal scheduling can significantly improve the wireless multicast network's performance under…

Networking and Internet Architecture · Computer Science 2021-12-08 Ramkumar Raghu , Mahadesh Panju , Vaneet Aggarwal , Vinod Sharma

Transmit power control in wireless networks has long been recognized as an effective mechanism to mitigate co-channel interference. Due to the highly non-convex nature, optimal power control is known to be difficult to achieve if a system…

Networking and Internet Architecture · Computer Science 2011-11-04 Li Ping Qian , Ying Jun , Zhang , Mung Chiang

In this paper the problem of scheduling with power control in wireless networks is studied: given a set of communication requests, one needs to assign the powers of the network nodes, and schedule the transmissions so that they can be done…

Networking and Internet Architecture · Computer Science 2015-05-20 Tigran Tonoyan

In this paper, we consider the problem of optimally coordinating the response of a group of distributed energy resources (DERs) so they collectively meet the electric power demanded by a collection of loads, while minimizing the total…

Systems and Control · Electrical Eng. & Systems 2020-05-05 Madi Zholbaryssov , Christoforos N. Hadjicostis , Alejandro D. Dominguez-Garcia