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In this paper, a novel Poisson hole process (PHP) modeling of wireless networks is proposed. We consider a more general hole shape, i.e. circular sector holes in a random direction, to capture the spatial separation between tiers in a…

Information Theory · Computer Science 2018-12-17 Mehdi Sattari , Aliazam Abbasfar

This paper develops a new approach to the modeling and analysis of HetNets that accurately incorporates coupling across the locations of users and base stations, which exists due to the deployment of small cell base stations (SBSs) at the…

Information Theory · Computer Science 2017-04-18 Mehrnaz Afshang , Harpreet S. Dhillon

One of the principal underlying assumptions of current approaches to the analysis of heterogeneous cellular networks (HetNets) with random spatial models is the uniform distribution of users independent of the base station (BS) locations.…

Information Theory · Computer Science 2017-05-19 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

In a Poisson Point Process (PPP) network model, in which the locations of Base Stations (BSs) are randomly distributed according to a Spatial Poisson Process, has been recently used as a tractable stochastic model to analyse the performance…

Information Theory · Computer Science 2016-06-21 Sinh Cong Lam , Kumbesan Sandrasegaran

A two-tier heterogeneous cellular network (HCN) with intra-tier and inter-tier dependence is studied. The macro cell deployment follows a Poisson point process (PPP) and two different clustered point processes are used to model the…

Information Theory · Computer Science 2016-05-03 Ejder Baştuğ , Mehdi Bennis , Marios Kountouris , Mérouane Debbah

The heterogeneous cellular network (HCN) is a promising approach to the deployment of 5G cellular networks. This paper comprehensively studies physical layer security in a multi-tier HCN where base stations (BSs), authorized users and…

Information Theory · Computer Science 2016-01-08 Hui-Ming Wang , Tong-Xing Zheng , Jinhong Yuan , Don Towsley , Moon Ho Lee

In this paper we develop a tractable framework for SINR analysis in downlink heterogeneous cellular networks (HCNs) with flexible cell association policies. The HCN is modeled as a multi-tier cellular network where each tier's base stations…

Information Theory · Computer Science 2016-11-18 Han-Shin Jo , Young Jin Sang , Ping Xia , Jeffrey G. Andrews

A K-tier heterogeneous downlink millimeter wave (mmWave) cellular network with user-centric small cell deployments is studied in this paper. In particular, we consider a heterogeneous network model with user equipments (UEs) being…

Information Theory · Computer Science 2017-07-25 Xueyuan Wang , Esma Turgut , M. Cenk Gursoy

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

Information Theory · Computer Science 2017-02-21 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

In small cell networks, high mobility of users results in frequent handoff and thus severely restricts the data rate for mobile users. To alleviate this problem, we propose to use heterogeneous, two-tier network structure where static users…

Networking and Internet Architecture · Computer Science 2020-07-22 Arpan Chattopadhyay , Bartłomiej Błaszczyszyn , Eitan Altman

Caching popular contents at base stations (BSs) of a heterogeneous cellular network (HCN) avoids frequent information passage from content providers to the network edge, thereby reducing latency and alleviating traffic congestion in…

Information Theory · Computer Science 2017-06-20 Juan Wen , Kaibin Huang , Sheng Yang , Victor O. K. Li

Interference field in wireless networks is often modeled by a homogeneous Poisson Point Process (PPP). While it is realistic in modeling the inherent node irregularity and provides meaningful first-order results, it falls short in modeling…

Information Theory · Computer Science 2016-11-15 Zeinab Yazdanshenasan , Harpreet S. Dhillon , Mehrnaz Afshang , Peter Han Joo Chong

Owing to its flexibility in modeling real-world spatial configurations of users and base stations (BSs), the Poisson cluster process (PCP) has recently emerged as an appealing way to model and analyze heterogeneous cellular networks…

Information Theory · Computer Science 2018-12-06 Chiranjib Saha , Harpreet S. Dhillon , Naoto Miyoshi , Jeffrey G. Andrews

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, a comprehensive study of the the downlink performance in a heterogeneous cellular network (or hetnet) is conducted. A general hetnet model is considered consisting of an arbitrary number of open-access and closed-access tier…

Information Theory · Computer Science 2014-04-01 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian , Liu , Timothy X Brown

This paper characterizes the performance of a generic $K$-tier cache-aided heterogeneous network (CHN), in which the base stations (BSs) across tiers differ in terms of their spatial densities, transmission powers, pathloss exponents,…

Information Theory · Computer Science 2017-01-25 Mohamed A. Abd-Elmagid , Ozgur Ercetin , Tamer ElBatt

This paper derives tight performance upper and lower bounds on the downlink outage efficiency of K-tier heterogeneous cellular networks (HCNs) for general signal propagation models with Poisson distributed base stations in each tier. In…

Information Theory · Computer Science 2016-02-08 Serkan Ak , Hazer Inaltekin , H. Vincent Poor

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

Cellular networks are in a major transition from a carefully planned set of large tower-mounted base-stations (BSs) to an irregular deployment of heterogeneous infrastructure elements that often additionally includes micro, pico, and…

Information Theory · Computer Science 2016-11-18 Harpreet S. Dhillon , Radha Krishna Ganti , Francois Baccelli , Jeffrey G. Andrews

Heterogeneous cellular networks (HCN) with embedded small cells are considered, where multiple mobile users wish to download network content of different popularity. By caching data into the small-cell base stations (SBS), we will design…

Signal Processing · Electrical Eng. & Systems 2020-03-30 Jun Li , Youjia Chen , Zihuai Lin , Wen Chen , Branka Vucetic , Lajos Hanzo
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