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Competing cellular operators aggressively share infrastructure in many major US markets. If operators also were to share spectrum in next-generation millimeter-wave (mmWave) networks, intra-cellular interference will become correlated with…

Information Theory · Computer Science 2018-01-17 Rebal Jurdi , Abhishek K. Gupta , Jeffrey G. Andrews , Robert W. Heath

In this paper, we introduce a mathematical framework for analyzing and optimizing multi-operator cellular networks that are allowed to share spectrum licenses and infrastructure elements. The proposed approach exploits stochastic geometry…

Information Theory · Computer Science 2016-08-23 Shanshan Wang , Konstantinos Samdanis , Xavier Costa Perez , Marco Di Renzo

Vehicle-to-infrastructure (V2I) communication may provide high data rates to vehicles via millimeter-wave (mmWave) microcellular networks. This paper uses stochastic geometry to analyze the coverage of urban mmWave microcellular networks.…

Networking and Internet Architecture · Computer Science 2018-04-13 Yuyang Wang , Kiran Venugopal , Andreas F. Molisch , Robert W. Heath

This letter provides a stochastic geometry (SG)-based coverage probability (CP) analysis of an indoor terahertz (THz) downlink assisted by a single reconfigurable intelligent surface (RIS) panel. Specifically, multiple access points (AP)…

Signal Processing · Electrical Eng. & Systems 2023-08-31 Waqas Aman , Nour Kouzayha , Muhammad Mahboob Ur Rahman , Tareq Y. Al-Naffouri

Massive multiple-input multiple-output (MIMO) are expected to significantly enhance the spectrum efficiency (SE) and energy efficiency (EE) of future cellular systems. Since the performance gain of massive MIMO is fundamentally limited by…

Information Theory · Computer Science 2016-05-17 Yuwei Ren , Yingzhe Li , Jeffrey G. Andrews , Yingmin Wang

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

Under the conditions where performance in a massive MIMO network is limited by pilot contamination, the reverse link signal-to-interference ratio (SIR) exhibits different distributions when using different pilot allocation schemes. By…

Information Theory · Computer Science 2016-06-10 Anand Sivamalai , Jamie S. Evans

Spatial interference alignment among a finite number of users is proposed as a technique to increase the probability of successful transmission in an interference limited clustered wireless ad hoc network. Using techniques from stochastic…

Information Theory · Computer Science 2010-01-14 R. Tresch , M. Guillaud

Relay deployment in Orthogonal Frequency Division Multiple Access (OFDMA) based cellular networks helps in coverage extension and or capacity improvement. In OFDMA system, each user requires different number of subcarriers to meet its rate…

Information Theory · Computer Science 2014-04-30 Mahima Mehta , Ranjan Bala Jain , Abhay Karandikar

Maintaining multiple wireless connections is a promising solution to boost capacity in fifth-generation (5G) networks, where user equipment is able to consume radio resources of several serving cells simultaneously and potentially aggregate…

Networking and Internet Architecture · Computer Science 2016-09-29 Maria A. Lema , Enric Pardo , Olga Galinina , Sergey Andreev , Mischa Dohler

Stochastic geometry models are used to study wireless networks, particularly cellular phone networks, but most of the research focuses on the typical user, often ignoring atypical events, which can be highly disruptive and of interest to…

Networking and Internet Architecture · Computer Science 2017-12-22 H. Paul Keeler , Benedikt Jahnel , Oliver Maye , Marcin Brzozowski , Daniel Aschenbach

Due to the increasing heterogeneity and deployment density of emerging cellular networks, new flexible and scalable approaches for their modeling, simulation, analysis and optimization are needed. Recently, a new approach has been proposed:…

Information Theory · Computer Science 2015-06-15 Wei Lu , Marco Di Renzo

This letter proposes an analytical framework to evaluate the coverage performance of a cellular-connected unmanned aerial vehicle (UAV) network in which UAV user equipments (UAV-UEs) are equipped with directional antennas and move according…

Networking and Internet Architecture · Computer Science 2023-01-05 Hongguang Sun , Chao Ma , Linyi Zhang , Jiahui Li , Xijun Wang , Shuqin Li , Tony Q. S. Quek

In this paper, we study physical layer security for the downlink of cellular networks, where the confidential messages transmitted to each mobile user can be eavesdropped by both (i) the other users in the same cell and (ii) the users in…

Information Theory · Computer Science 2016-11-15 Giovanni Geraci , Harpreet S. Dhillon , Jeffrey G. Andrews , Jinhong Yuan , Iain B. Collings

With the rapid proliferation of smart devices in wireless networks, more powerful technologies are expected to fulfill the network requirements of high throughput, massive connectivity, and diversify quality of service. To this end, rate…

Information Theory · Computer Science 2023-04-12 Huabing Lu , Xianzhong Xie , Zhaoyuan Shi , Hongjian Lei , Nan Zhao , Jun Cai

The growing complexity of heterogeneous cellular networks (HetNets) has necessitated a variety of user and base station (BS) configurations to be considered for realistic performance evaluation and system design. This is directly reflected…

Information Theory · Computer Science 2017-05-05 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

In this paper we investigate the sub-channel assignment and power control to maximize the total sum rate in the uplink of two-cell network. It is assumed that there are some sub-channels in each cell which should be allocated among some…

Signal Processing · Electrical Eng. & Systems 2019-07-09 Ata Khalili , Soroush Akhlaghi

Energy harvesting in cellular networks is an emerging technique to enhance the sustainability of power-constrained wireless devices. This paper considers the co-channel deployment of a macrocell overlaid with small cells. The small cell…

Networking and Internet Architecture · Computer Science 2016-11-18 Tran Kien Thuc , Ekram Hossain , Hina Tabassum

How would a cellular network designed for maximal energy efficiency look like? To answer this fundamental question, tools from stochastic geometry are used in this paper to model future cellular networks and obtain a new lower bound on the…

Information Theory · Computer Science 2016-04-06 Emil Björnson , Luca Sanguinetti , Marios Kountouris

In this work we consider the problem of an optimal geographic placement of content in wireless cellular networks modelled by Poisson point processes. Specifically, for the typical user requesting some particular content and whose popularity…

Networking and Internet Architecture · Computer Science 2016-01-29 Bartlomiej Blaszczyszyn , Anastasios Giovanidis
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