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The large amount of deployed smart devices put tremendous traffic pressure on networks. Caching at the edge has been widely studied as a promising technique to solve this problem. To further improve the successful transmission probability…

Information Theory · Computer Science 2021-01-25 Tianming Feng , Shuo Shi , Shushi Gu , Ning Zhang , Wei Xiang , Xuemai Gu

Wireless content caching in small cell networks (SCNs) has recently been considered as an efficient way to reduce the traffic and the energy consumption of the backhaul in emerging heterogeneous cellular networks (HetNets). In this paper,…

Networking and Internet Architecture · Computer Science 2016-01-05 Zheng Chen , Jemin Lee , Tony Q. S. Quek , Marios Kountouris

We develop a framework for downlink heterogeneous cellular networks with line-of-sight (LoS) and non-line-of-sight (NLoS) transmissions. Using stochastic geometry, we derive tight approximation of achievable downlink rate that enables us to…

Information Theory · Computer Science 2017-01-13 Qi Zhang , Howard H. Yang , Tony Q. S. Quek , Jemin Lee

This paper shows how the application of stochastic geometry to the analysis of wireless networks is greatly facilitated by (i) a clear separation of time scales, (ii) the abstraction of small-scale effects via ergodicity, and (iii) an…

Information Theory · Computer Science 2017-08-04 Geordie George , Ratheesh K. Mungara , Angel Lozano , Martin Haenggi

This work proposes a new resource allocation optimization and network management framework for wireless networks using neighborhood-based optimization rather than fully centralized or fully decentralized methods. We propose hierarchical…

Information Theory · Computer Science 2019-11-11 Michal Yemini , Andrea J. Goldsmith

Massive multiple-input multiple-output (MIMO) is a fundamental enabler to provide high data throughput in next generation cellular networks. By equipping the base stations (BSs) with tens or hundreds of antenna elements, narrow and high…

Networking and Internet Architecture · Computer Science 2018-01-26 Paolo Baracca , Andreas Weber , Thorsten Wild , Christophe Grangeat

In this paper, the outage performance of a two-tier heterogeneous mmWave cellular networks employing joint spatial division and multiplexing (JSDM) is investigated. It is assumed that macro base stations (BSs) equipped with a large number…

Signal Processing · Electrical Eng. & Systems 2019-01-24 Jun Chen , Deli Qiao

In this paper, we introduce a new class of stochastic multilayer networks. A stochastic multilayer network is the aggregation of $M$ networks (one per layer) where each is a subgraph of a foundational network $G$. Each layer network is the…

Social and Information Networks · Computer Science 2018-07-11 Bo Jiang , Philippe Nain , Don Towsley , Saikat Guha

In this paper, energy efficiency of relay-assisted millimeter wave (mmWave) cellular networks with Poisson Point Process (PPP) distributed base stations (BSs) and relay stations (RSs) is analyzed using tools from stochastic geometry. The…

Information Theory · Computer Science 2015-10-21 Esma Turgut , M. Cenk Gursoy

We study the flow-level performance of random wireless networks. The locations of base stations (BSs) follow a Poisson point process. The number and positions of active users are dynamic. We associate a queue to each BS. The performance and…

Information Theory · Computer Science 2013-08-23 Richard Combes , Eitan Altman

Small cell networks are regarded as a promising candidate to meet the exponential growth of mobile data traffic in cellular networks. With a dense deployment of access points, spatial reuse will be improved, and uniform coverage can be…

Information Theory · Computer Science 2014-05-20 Chang Li , Jun Zhang , Martin Haenggi , Khaled B. Letaief

Poisson-Poisson cluster processes (PPCPs) are a class of point processes exhibiting attractive point patterns. Recently, PPCPs are actively studied for modeling and analysis of heterogeneous cellular networks or device-to-device networks.…

Information Theory · Computer Science 2018-03-19 Naoto Miyoshi

We investigate the optimal power allocation and optimal precoding for a multi-cell-processing (MCP) framework with limited cooperation. In particular, we consider two base stations(BSs) which maximize the achievable rate for two users…

Information Theory · Computer Science 2016-01-12 Samah A. M. Ghanem

This article investigates the performance of an ultra-dense network (UDN) from an energy-efficiency (EE) standpoint leveraging the interplay between stochastic geometry (SG) and mean-field game (MFG) theory. In this setting, base stations…

Information Theory · Computer Science 2016-09-14 Jihong Park , Mehdi Bennis , Seong-Lyun Kim , Mérouane Debbah

Concurrent cooperative transmission for relaying purposes in mobile communication networks is relevant in current institutional systems with limited infrastructure, and and may be viewed as a potential range-extension mechanism for future…

Information Theory · Computer Science 2016-11-15 Spyridon Evangelatos , Aris L. Moustakas , Andreas Polydoros

To solve the problem that the low capacity in hot-spots and coverage holes of conventional cellular networks, the base stations (BSs) having lower transmit power are deployed to form heterogeneous cellular networks (HetNets). However,…

Information Theory · Computer Science 2014-01-07 Tianqing Zhou , Yongming Huang , Luxi Yang

One of the most promising technologies for next-generation wireless networks is integrated communication and sensing (ISAC). It is considered a key enabler for applications that require both enhanced communication and accurate sensing…

Signal Processing · Electrical Eng. & Systems 2025-03-14 Harris K. Armeniakos , Petros S. Bithas , Sotiris A. Tegos , Athanasios G. Kanatas , George K. Karagiannidis

In recent decades, the deployments of cellular networks have been going through an unprecedented expansion. In this regard, it is beneficial to acquire profound knowledge of cellular networks from the view of topology so that prominent…

Networking and Internet Architecture · Computer Science 2018-09-21 Ying Chen , Rongpeng Li , Zhifeng Zhao , Honggang Zhang

We present a systematic study of the influence of cell geometry on the orientational distribution of microtubules (MTs) nucleated from a single microtubule organizing center (MTOC). For simplicity we consider an elliptical cell geometry, a…

Biomolecules · Quantitative Biology 2022-11-30 Panayiotis Foteinopoulos , Bela M. Mulder

Network densification and heterogenisation through the deployment of small cellular access points (picocells and femtocells) are seen as key mechanisms in handling the exponential increase in cellular data traffic. Modelling such networks…

Networking and Internet Architecture · Computer Science 2017-05-11 Pete Pratt , Carl P. Dettmann , Orestis Georgiou
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