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This paper investigates cell-free massive multiple input multiple output systems with a particular focus on uplink power allocation. In these systems, uplink power control is highly non-trivial, since a single user terminal is associated…

Signal Processing · Electrical Eng. & Systems 2022-12-29 Juno V. Saraiva , Roberto P. Antonioli , Gábor Fodor , Walter C. Freitas , Yuri C. B. Silva

A combined base station association and power control problem is studied for the uplink of multichannel multicell cellular networks, in which each channel is used by exactly one cell (i.e., base station). A distributed association and power…

Networking and Internet Architecture · Computer Science 2011-12-09 Chandramani Singh , Anurag Kumar , Rajesh Sundaresan

We consider the problem of cooperation in distributed wireless networks of selfish and free transmitters aiming at maximizing their energy-efficiency. The strategy of each transmitter consists in choosing his power control (PC) policy. Two…

Computer Science and Game Theory · Computer Science 2012-10-25 Maël Le Treust , Samson Lasaulce , Mérouane Debbah

The deployment of small cells, overlaid on existing cellular infrastructure, is seen as a key feature in next-generation cellular systems. In this paper, the problem of user association in the downlink of small cell networks (SCNs) is…

Information Theory · Computer Science 2014-03-11 Omid Semiari , Walid Saad , Stefan Valentin , Mehdi Bennis , Behrouz Maham

The design of energy-efficient mechanisms is one of the key challenges in emerging wireless small cell networks. In this paper, a novel approach for opportunistically switching ON/OFF base stations to improve the energy efficiency in…

Networking and Internet Architecture · Computer Science 2016-05-03 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Matti Latva-aho

In this paper, we study the problem of cooperative interference management in an OFDMA two-tier small cell network. In particular, we propose a novel approach for allowing the small cells to cooperate, so as to optimize their sum-rate,…

Computer Science and Game Theory · Computer Science 2014-02-12 Zengfeng Zhang , Lingyang Song , Zhu Han , Walid Saad

A repeated game is an effective tool to model interactions and conflicts for players aiming to achieve their objectives in a long-term basis. Contrary to static noncooperative games that model an interaction among players in only one…

Computer Science and Game Theory · Computer Science 2015-01-14 Dinh Thai Hoang , Xiao Lu , Dusit Niyato , Ping Wang , Zhu Han

In this paper, a game-theoretic model for studying power control for wireless data networks in frequency-selective multipath environments is analyzed. The uplink of an impulse-radio ultrawideband system is considered. The effects of…

Computer Science and Game Theory · Computer Science 2007-07-13 Giacomo Bacci , Marco Luise , H. Vincent Poor

In this paper, we propose a novel social network aware approach for user association in wireless small cell networks. The proposed approach exploits social relationships between user equipments (UEs) and their physical proximity to optimize…

Networking and Internet Architecture · Computer Science 2016-05-02 Muhammad Ikram Ashraf , Mehdi Bennis , Walid Saad , Marcos Katz

This work tackles the problem of energy-efficient distributed power control in wireless networks with a large number of transmitters. The problem is modeled by a dynamic game. Each transmitter-receiver communication is characterized by a…

Information Theory · Computer Science 2013-01-30 François Mériaux , Vineeth Varma , Samson Lasaulce

We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account for the effects of transmit and receive antenna correlations…

Information Theory · Computer Science 2010-11-24 E. V. Belmega , S. Lasaulce , M. Debbah , M. Jungers , J. Dumont

Given the proven benefits cell densification brings in terms of capacity and coverage, it is certain that 5G networks will be even more heterogeneous and dense. However, as smaller cells are introduced in the network, interference will…

Networking and Internet Architecture · Computer Science 2017-08-11 Zana Limani Fazliu , Carla-Fabiana Chiasserini , Gian Michele Dell'Aera , Enver Hamiti

In this paper, power control for two-tier small-cell networks in the uplink is investigated. We formulate the power control problem as a Stackelberg game, where the macrocell user equipment (MUE) acts as the leader and the small-cell user…

Information Theory · Computer Science 2019-02-26 Yanxiang Jiang , Hui Ge , Mehdi Bennis , Fu-Chun Zheng , Xiaohu You

In this paper, a novel approach for optimizing the joint deployment of small cell base stations and wireless backhaul links is proposed. This joint deployment scenario is cast as a multi-objective optimization problem under the constraints…

Information Theory · Computer Science 2016-11-15 Xiangxiang Xu , Walid Saad , Xiujun Zhang , Xibin Xu , Shidong Zhou

This paper compares centralized and distributed methods to solve the power minimization problem with quality-of-service (QoS) constraints in the downlink (DL) of multi-cell Massive multiple-input multiple-output (MIMO) systems. In…

Information Theory · Computer Science 2018-02-21 Trinh Van Chien , Emil Björnson , Erik G. Larsson , Tuan Anh Le

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

In this paper, we consider the problem of wireless power control in an interference channel where transmitters aim to maximize their own benefit. When the individual payoff or utility function is derived from the transmission efficiency and…

Computer Science and Game Theory · Computer Science 2020-12-04 Sara Berri , Vineeth Varma , Samson Lasaulce , Mohammed Said Radjef

In this paper, we introduce a game theoretic framework for studying the problem of minimizing the completion time of instantly decodable network coding (IDNC) for cooperative data exchange (CDE) in decentralized wireless network. In this…

Information Theory · Computer Science 2014-04-16 Ahmed Douik , Sameh Sorour , Hamidou Tembine , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

The deployment of small cell networks is seen as a major feature of the next generation of wireless networks. In this paper, a novel approach for cell association in small cell networks is proposed. The proposed approach exploits new types…

Networking and Internet Architecture · Computer Science 2015-12-04 Nima Namvar , Walid Saad , Behrouz Maham

The design of distributed mechanisms for interference management is one of the key challenges in emerging wireless small cell networks whose backhaul is capacity limited and heterogeneous (wired, wireless and a mix thereof). In this paper,…

Networking and Internet Architecture · Computer Science 2014-01-14 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Matti Latva-aho
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