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In this article, we introduce iterative deterministic equivalents as a novel technique for the performance analysis of communication systems whose channels are modeled by complex combinations of independent random matrices. This technique…

Information Theory · Computer Science 2011-12-20 Jakob Hoydis , Romain Couillet , Merouane Debbah

We consider a communication system with multi-access fading channel. Each user in the system requires certain rate guarantee. Our main contribution is to devise a scheduling scheme called "Opportunistic Super-position Coding" that satisfies…

Information Theory · Computer Science 2009-11-24 Prasanna Chaporkar , Kimmo Kansanen , Ralf R. Müller

A semi-centralized joint cell muting and user scheduling scheme for interference coordination in a multicell network is proposed under two different temporal fairness criteria. The main principle behind the proposed scheme is that a central…

Networking and Internet Architecture · Computer Science 2017-07-06 Shahram Shahsavari , Nail Akar , Babak Hossein Khalaj

We analyze the problem of transmitting information to multiple users over a shared wireless channel. The problem of resource allocation (RA) for the users with the knowledge of their channel state information has been treated extensively in…

Information Theory · Computer Science 2013-05-06 Redouane Sassioui , Aata El Hamss , Leszek Szczecinski , Mustapha Benjillali

The performance of computer networks relies on how bandwidth is shared among different flows. Fair resource allocation is a challenging problem particularly when the flows evolve over time.To address this issue, bandwidth sharing techniques…

Networking and Internet Architecture · Computer Science 2017-11-28 Zaid Allybokus , Konstantin Avrachenkov , Jérémie Leguay , Lorenzo Maggi

We investigate optimal channel assignment algorithms that maximize per node throughput in dense multichannel multi-radio (MC-MR) wireless networks. Specifically, we consider an MC-MR network where all nodes are within the transmission range…

Networking and Internet Architecture · Computer Science 2012-09-05 Rahul Urgaonkar , Ram Ramanathan , Jason Redi , William N. Tetteh

We provide a tight approximate characterization of the $n$-dimensional product multicommodity flow (PMF) region for a wireless network of $n$ nodes. Separate characterizations in terms of the spectral properties of appropriate network…

Information Theory · Computer Science 2016-11-17 Ritesh Madan , Devavrat Shah , Olivier Leveque

The data heterogeneity across devices and the limited communication resources, e.g., bandwidth and energy, are two of the main bottlenecks for wireless federated learning (FL). To tackle these challenges, we first devise a novel FL…

Machine Learning · Computer Science 2023-02-21 Zhixiong Chen , Wenqiang Yi , Arumugam Nallanathan , Geoffrey Ye Li

In multi-access wireless networks, transmission scheduling is a key component that determines the efficiency and fairness of wireless spectrum allocation. At one extreme, greedy opportunistic scheduling that allocates airtime to the user…

Networking and Internet Architecture · Computer Science 2011-07-28 Suzhi Bi , Ying Jun , Zhang

We consider the opportunistic multiuser diversity in the multiuser two-way amplify-and-forward (AF) relay channel. The relay, equipped with multiple antennas and a simple zero-forcing beam-forming scheme, selects a set of two way relaying…

Information Theory · Computer Science 2015-07-17 Duckdong Hwang , Bruno Clerckx , Sung Sik Nam , Tae-Jin Lee

This paper considers max-min fair rate allocation and routing in energy harvesting networks where fairness is required among both the nodes and the time slots. Unlike most previous work on fairness, we focus on multihop topologies and…

Networking and Internet Architecture · Computer Science 2016-06-10 Jelena Marasevic , Cliff Stein , Gil Zussman

We consider the problem of maximizing the alpha-fairness utility over the downlink of a heterogeneous wireless network (HetNet) by jointly optimizing the association of users to transmission points (TPs) and the activation fractions of all…

Networking and Internet Architecture · Computer Science 2015-03-24 Vaibhav Singh , Narayan Prasad , Mustafa Y. Arslan , Sampath Rangarajan

We investigate the fair channel assignment and access design problem for cognitive radio ad hoc network in this paper. In particular, we consider a scenario where ad hoc network nodes have hardware constraints which allow them to access at…

Networking and Internet Architecture · Computer Science 2014-04-09 Le Thanh Tan , Long Bao Le

In this paper, we present the first analytical solution for performance analysis of proportional fair scheduling (PFS) in downlink non-orthogonal multiple access (NOMA) systems. Assuming an ideal NOMA system with an arbitrary number of…

Information Theory · Computer Science 2017-03-10 Fei Liu , Marina Petrova

This paper considers peer-to-peer scheduling for a network with multiple wireless devices. A subset of the devices are mobile users that desire specific files. Each user may already have certain popular files in its cache. The remaining…

Networking and Internet Architecture · Computer Science 2012-02-22 Michael J. Neely

Recent results establish the optimality of interference alignment to approach the Shannon capacity of interference networks at high SNR. However, the extent to which interference can be aligned over a finite number of signalling dimensions…

Information Theory · Computer Science 2016-11-17 Krishna Gomadam , Viveck R. Cadambe , Syed A. Jafar

Video broadcast/multicast over wireless access networks is an attractive research issue in the field of wireless communication. With the rapid improvement of various wireless network technologies, it is now possible to provide high quality…

Networking and Internet Architecture · Computer Science 2015-10-15 Mostafa Zaman Chowdhury , Yeong Min Jang

The resource allocation in SC-FDMA is constrained by the condition that multiple subchannels should be allocated to a single user only if they are adjacent. Therefore, the scheduling scheme of a D2D-cellular system that uses SC-FDMA must…

Systems and Control · Electrical Eng. & Systems 2023-06-05 Syed Tariq Shah , Jaheon Gu , Syed Faraz Hasan , Min Young Chung

Next generation wireless networks face the challenge of increasing energy consumption while satisfying the unprecedented increase in the data rate demand. To address this problem, we propose a utility-based energy-efficient resource…

Networking and Internet Architecture · Computer Science 2014-10-23 Kemal Davaslioglu , Cemil Can Coskun , Ender Ayanoglu

We consider the analysis and design of distributed wireless networks wherein remote radio heads (RRHs) coordinate transmissions to serve multiple users on the same resource block (RB). Specifically, we analyze two possible multiple-input…

Information Theory · Computer Science 2021-11-19 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau
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