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This paper considers delay-limited communication over quasi-static fading channels under a long-term power constraint. A sequence of length-$n$ delay-limited codes for a quasi-static fading channel is said to be capacity-achieving if the…

Information Theory · Computer Science 2016-11-15 Silas L. Fong , Vincent Y. F. Tan

This paper presents a new system model to evaluate the capacity and power consumption of multi-layer 6G networks utilising the upper mid-band (FR3). The model captures heterogeneous 4G, 5G, and 6G deployments, analyzing their performance…

Networking and Internet Architecture · Computer Science 2024-11-15 David López-Pérez , Nicola Piovesan , Giovanni Geraci

By moving to millimeter wave (mmWave) frequencies, base stations (BSs) will be densely deployed to provide seamless coverage in sixth generation (6G) mobile communication systems, which, unfortunately, leads to severe cell-edge problem. In…

Information Theory · Computer Science 2024-10-28 Junyuan Wang , Lin Dai , Lu Yang , Bo Bai

Thanks to the strong ability against the inter-cell interference, cell-free network has been considered as a promising technique to improve the network capacity of future wireless systems. However, for further capacity enhancement, it…

Information Theory · Computer Science 2023-01-03 Zijian Zhang , Linglong Dai

In this paper, we consider the downlink of large OFDMA-based networks and study their performance bounds as a function of the number of - transmitters $B$, users $K$, and resource-blocks $N$. Here, a resource block is a collection of…

Information Theory · Computer Science 2012-06-13 Rohit Aggarwal , Can Emre Koksal , Philip Schniter

This paper studies the capacity of massive random-access cellular networks, modeled as a MIMO fading channel with an infinite number of interfering cells. To characterize the symmetric sum rate of the network, a random-coding argument is…

Information Theory · Computer Science 2025-09-26 Grace Villacrés , Tobias Koch , Gonzalo Vazquez-Vilar

Future wireless networks need to offer orders of magnitude more capacity to address the predicted growth in mobile traffic demand. Operators to enhance the capacity of cellular networks are increasingly using WiFi to offload traffic from…

Networking and Internet Architecture · Computer Science 2016-10-04 Jose Moura , Christopher Edwards

In this paper, we investigate the fundamental tradeoff between communication and sensing performance of \emph{ad hoc} integrated sensing and communication (ISAC) wireless networks. Specifically, we consider that $n$ nodes are randomly…

Information Theory · Computer Science 2025-02-17 Min Qiu , Ming-Chun Lee , Yu-Chih Huang , Jinhong Yuan

This paper introduces a novel approach to radio resource allocation in multi-cell wireless networks using a fully scalable multi-agent reinforcement learning (MARL) framework. A distributed method is developed where agents control…

Multiagent Systems · Computer Science 2024-09-19 Yiming Zhang , Dongning Guo

Driven by new types of wireless devices and the proliferation of bandwidth-intensive applications, data traffic and the corresponding network load are increasing dramatically. Network densification has been recognized as a promising and…

Networking and Internet Architecture · Computer Science 2016-03-01 Van Minh Nguyen , Marios Kountouris

Cell-Free (CF) Massive multiple-input multiple-output(MIMO) is a distributed antenna system, wherein a large number of back-haul linked access points randomly distributed over a coverage area serve simultaneously a smaller number of users.…

Information Theory · Computer Science 2018-06-26 Salah Eddine Hajri , Juwendo Denis , Mohamad Assaad

We consider a wireless distributed computing system, in which multiple mobile users, connected wirelessly through an access point, collaborate to perform a computation task. In particular, users communicate with each other via the access…

Information Theory · Computer Science 2017-05-09 Songze Li , Qian Yu , Mohammad Ali Maddah-Ali , A. Salman Avestimehr

Cell-free (CF) massive multiple-input-multiple-output (mMIMO) deployments are usually investigated with half-duplex nodes and high-capacity fronthaul links. To leverage the possible gains in throughput and energy efficiency (EE) of…

Signal Processing · Electrical Eng. & Systems 2021-12-13 Soumyadeep Datta , Dheeraj Naidu Amudala , Ekant Sharma , Rohit Budhiraja , Shivendra S. Panwar

Given two independent point processes and a certain rule for matching points between them, what is the fraction of matched points over infinitely long streams? In many application contexts, e.g., secure networking, a meaningful matching…

Information Theory · Computer Science 2016-11-17 Stefano Marano , Vincenzo Matta , Ting He , Lang Tong

In this paper we consider a channel model that is often used to describe the mobile wireless scenario: multiple-antenna additive white Gaussian noise channels subject to random (fading) gain with full channel state information at the…

Information Theory · Computer Science 2018-06-28 Austin Collins , Yury Polyanskiy

In many wireless communication systems, radios are subject to a duty cycle constraint, that is, a radio only actively transmits signals over a fraction of the time. For example, it is desirable to have a small duty cycle in some low power…

Information Theory · Computer Science 2012-09-24 Lei Zhang , Hui Li , Dongning Guo

Mobile-edge computing (MEC) has recently emerged as a promising paradigm to liberate mobile devices from increasingly intensive computation workloads, as well as to improve the quality of computation experience. In this paper, we…

Information Theory · Computer Science 2016-09-21 Yuyi Mao , Jun Zhang , S. H. Song , Khaled B. Letaief

Max weighted queue (MWQ) control policy is a widely used cross-layer control policy that achieves queue stability and a reasonable delay performance. In most of the existing literature, it is assumed that optimal MWQ policy can be obtained…

Systems and Control · Computer Science 2013-11-20 Junting Chen , Vincent K. N. Lau

We present a new stochastic service model with capacity sharing and interruptions, appropriate for the evaluation of the quality of real-time streaming (RTS), like e.g. mobile TV, in wireless cellular networks. The general model takes into…

Networking and Internet Architecture · Computer Science 2014-03-05 Bartlomiej Blaszczyszyn , Miodrag Jovanovic , Mohamed Kadhem Karray

With the rise of critical machine-to-machine applications, next generation wireless communication systems must be designed with strict constraints on the latency and reliability. A key question in this context relates to channel state…

Information Theory · Computer Science 2017-06-06 Sebastian Schiessl , Hussein Al-Zubaidy , Mikael Skoglund , James Gross