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In this paper, we focus on the problem of data sharing over a wireless computer network (i.e., a wireless grid). Given a set of available data, we present a distributed algorithm which operates over a dynamically changing network, and…

Systems and Control · Electrical Eng. & Systems 2022-07-19 Apostolos I. Rikos , Christoforos N. Hadjicostis , Karl H. Johansson

We study the problem of allocating limited feedback resources across multiple users in an orthogonal-frequency-division-multiple-access downlink system with slow frequency-domain scheduling. Many flavors of slow frequency-domain scheduling…

Information Theory · Computer Science 2015-06-11 Harish Ganapathy , Siddhartha Banerjee , Nedialko B. Dimitrov , Constantine Caramanis

In this work, we design and analyze novel distributed scheduling algorithms for multi-user MIMO systems. In particular, we consider algorithms which do not require sending channel state information to a central processing unit, nor do they…

Information Theory · Computer Science 2015-03-20 Joseph Kampeas , Asaf Cohen , Omer Gurewitz

This paper introduces a novel power allocation and subcarrier optimization algorithm tailored for fixed wireless access (FWA) networks operating under low-rank channel conditions, where the number of subscriber antennas far exceeds those at…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Kamyar Rajabalifardi , Sagnik Bhattacharya , Mehrnaz Afshang , Mohammad Mozaffari , John M. Cioffi

We develop a general approach for designing scheduling policies for real-time traffic over wireless channels. We extend prior work, which characterizes a real-time flow by its traffic pattern, delay bound, timely-throughput requirement, and…

Networking and Internet Architecture · Computer Science 2009-08-06 I-Hong Hou , P. R. Kumar

Residual radio resources are abundant in wireless networks due to dynamic traffic load, which can be exploited to support high throughput for serving non-real-time (NRT) traffic. In this paper, we investigate how to achieve this by resource…

Information Theory · Computer Science 2018-03-29 Jia Guo , Chuting Yao , Chenyang Yang , Zixiang Xiong

This paper proposes a dynamic primal-dual type algorithm to solve the optimal scheduling problem in wireless networks subject to uncertain parameters, which are generated by stochastic network processes such as random packet arrivals,…

Information Theory · Computer Science 2010-06-15 Qiao Li , Rohit Negi

We consider multi-antenna base stations using orthogonal frequency-division multiple access (OFDMA) and space division multiple access (SDMA) techniques to serve single antenna users, where some of those users have minimum rate requirements…

Information Theory · Computer Science 2011-10-07 Diego Perea-Vega , André Girard , Jean-François Frigon

With the increasing number of user equipment (UE) and data demands, denser access points (APs) are being employed. Resource allocation problems have been extensively researched with interference treated as noise. It is well understood that…

Networking and Internet Architecture · Computer Science 2020-04-20 Jing Li , Dongning Guo

In this work, we propose a novel joint client scheduling and resource block (RB) allocation policy to minimize the loss of accuracy in federated learning (FL) over wireless compared to a centralized training-based solution, under imperfect…

Networking and Internet Architecture · Computer Science 2020-02-07 Madhusanka Manimel Wadu , Sumudu Samarakoon , Mehdi Bennis

We integrate a wireless powered communication network with a cooperative cognitive radio network, where multiple secondary users (SUs) powered wirelessly by a hybrid access point (HAP) help a primary user relay the data. As a reward for the…

Information Theory · Computer Science 2016-06-14 Sanket S. Kalamkar , Jeya Pradha Jeyaraj , Adrish Banerjee , Ketan Rajawat

Imposing fairness in resource allocation incurs a loss of system throughput, known as the Price of Fairness ($PoF$). In wireless scheduling, $PoF$ increases when serving users with very poor channel quality because the scheduler wastes…

Networking and Internet Architecture · Computer Science 2018-01-08 Apostolos Destounis , Georgios S. Paschos , David Gesbert

Traditional random access schemes are designed based on the aggregate process of user activation, which is created on the basis of independent activations of the users. However, in Machine-Type Communications (MTC), some users are likely to…

Information Theory · Computer Science 2018-03-12 Anders Ellersgaard Kalør , Osama A. Hanna , Petar Popovski

In this paper, we study user association and wireless bandwidth allocation for a hierarchical federated learning system that consists of mobile users, edge servers, and a cloud server. To minimize the length of a global round in…

Machine Learning · Computer Science 2024-08-20 Rung-Hung Gau , Ting-Yu Wang , Chun-Hung Liu

Future wireless networks will progressively displace service provisioning towards the edge to accommodate increasing growth in traffic. This paradigm shift calls for smart policies to efficiently share network resources and ensure service…

Networking and Internet Architecture · Computer Science 2018-09-25 B. Lorenzo , A. Shams Shafigh , J. Liu , J. Gonzalez Castano , Y. Fang

As sixth-generation (6G) networks continue to evolve, AI-driven solutions are playing a crucial role in enabling more efficient and adaptive resource management in wireless communication. One of the key innovations in 6G is user-centric…

Networking and Internet Architecture · Computer Science 2025-05-29 Selina Cheggour , Valeria Loscri

This paper studies the problem of scheduling in single-hop wireless networks with real-time traffic, where every packet arrival has an associated deadline and a minimum fraction of packets must be transmitted before the end of the deadline.…

Networking and Internet Architecture · Computer Science 2010-07-12 Juan Jose Jaramillo , R. Srikant , Lei Ying

This work proposes an integrated approach for optimising Federated Learning (FL) communication in dynamic and heterogeneous network environments. Leveraging the modular flexibility of the Open Radio Access Network (ORAN) architecture and…

Systems and Control · Electrical Eng. & Systems 2025-05-27 Abdelaziz Salama , Mohammed M. H. Qazzaz , Syed Danial Ali Shah , Maryam Hafeez , Syed Ali Zaidi

Judicious resource allocation can effectively enhance federated learning (FL) training performance in wireless networks by addressing both system and statistical heterogeneity. However, existing strategies typically rely on block fading…

Machine Learning · Computer Science 2025-05-07 Jiacheng Wang , Le Liang , Hao Ye , Chongtao Guo , Shi Jin

With the rapidly increasing number of deployed LTE femtocell base stations (FBS), energy consumption of femtocell networks has become a serious environmental issue. Therefore, energy-efficient protocols are needed to balance the trade-off…

Networking and Internet Architecture · Computer Science 2015-08-07 Ying Wang , Xiangming Dai , Jason Min Wang , Brahim Bensaou