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Installing more base stations (BSs) into the existing cellular infrastructure is an essential way to provide greater network capacity and higher data rate in the 5th-generation cellular networks (5G). However, a non-negligible amount of…

Signal Processing · Electrical Eng. & Systems 2023-03-02 Lin Chen , Ahmed Elzanaty , Mustafa A. Kishk , Luca Chiaraviglio , Mohamed-Slim Alouini

Heterogeneous cellular networks (HetNets) are to be deployed for future wireless communication to meet the ever-increasing mobile traffic demand. However, the dense and random deployment of small cells and their uncoordinated operation…

Information Theory · Computer Science 2014-06-10 Weili Nie , Fuchun Zheng , Xiaoming Wang , Shi Jin , Wenyi Zhang

Decoupling uplink (UL) and downlink (DL) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Building upon this paradigm, the goal of the present paper is to provide lower,…

Information Theory · Computer Science 2016-10-11 Alexis I. Aravanis , Olga Munoz , Antonio Pascual-Iserte , Josep Vidal

This letter shows that the flexible association of possibly multiple base stations (BSs) to each user over multiple frequency bands, along with the joint optimization of BS transmit power that encourages the turning-off of the BSs at…

Networking and Internet Architecture · Computer Science 2017-10-11 Kaiming Shen , Ya-Feng Liu , David Yiwei Ding , Wei Yu

We consider the downlink of a two-layer heterogeneous network, comprising macro cells (MCs) and small cells (SCs). The existing literature generally assumes independent placements of the access points (APs) in different layers; in contrast,…

Information Theory · Computer Science 2016-11-17 S. Alireza Banani , Andrew W. Eckford , Raviraj S. Adve

This paper studies the proposed green (energy-efficient) coverage probability, link and network energy efficiencies in the downlink of a heterogeneous cellular network (HetNet) consisting of $K$ independent Poisson point processes (PPPs) of…

Information Theory · Computer Science 2016-08-08 Chun-Hung Liu , Kok Leong Fong

Stochastic geometry (SG) has been successfully used as a modelling tool for cellular networks to characterize the coverage probability in both the downlink (DL) and uplink (UL) systems, under the assumption that the base stations (BS) are…

Networking and Internet Architecture · Computer Science 2021-09-30 Hamed Nassar , Gehad Taher , El-Sayed El-Hady

Recently heterogeneous base station structure has been adopted in cellular systems to enhance system throughput and coverage. In this paper, the uplink coverage probability for the heterogeneous cellular systems is analyzed and derived in…

Information Theory · Computer Science 2012-07-03 Haichuan Ding , Shaodan Ma , Chengwen Xing , Zesong Fei , Jingming Kuang

In this paper, we consider an underlay radar-massive MIMO spectrum sharing scenario in which massive MIMO base stations (BSs) are allowed to operate outside a circular exclusion zone centered at the radar. Modeling the locations of the…

Networking and Internet Architecture · Computer Science 2019-07-24 Raghunandan M. Rao , Harpeet S. Dhillon , Vuk Marojevic , Jeffrey H. Reed

Small-cell densification is a strategy enabling the offloading of users from macro base stations (MBSs), in order to alleviate their load and increase the coverage, especially, for cell-edge users. In parallel, as the network increases in…

Information Theory · Computer Science 2019-01-15 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Marco Di Renzo , John M. Senior , Symeon Chatzinotas

The coverage probability and average data rate of normalized SNR-based scheduling in a downlink cellular network are derived by modeling the locations of the base stations and users as two independent Poison point processes. The scheduler…

Information Theory · Computer Science 2022-02-10 Takuya Ohto , Koji Yamamoto , Seong-Lyun Kim , Takayuki Nishio , Masahiro Morikura

In this paper, we study coverage probabilities of the UAV-assisted cellular network modeled by 2-dimension (2D) Poisson point process. The cellular user is assumed to connect to the nearest aerial base station. We derive the explicit…

Information Theory · Computer Science 2018-05-14 Lai Zhou , Zhi Yang , Shidong Zhou , Wei Zhang

This paper proposes a cellular network exploiting millimeter-wave (mmWave) and ultra-densified base stations (BSs) to achieve the far-reaching 5G aim in downlink average rate. The mmWave overlaid network however incurs a pitfall that its…

Networking and Internet Architecture · Computer Science 2015-04-21 Jihong Park , Seong-Lyun Kim , Jens Zander

In this paper, we present the downlink coverage and rate analysis of a cellular vehicle-to-everything (C-V2X) communication network where the locations of vehicular nodes and road side units (RSUs) are modeled as Cox processes driven by a…

Information Theory · Computer Science 2019-01-29 Vishnu Vardhan Chetlur , Harpreet S. Dhillon

In this paper, we address the deployment of base stations (BSs) in a one-dimensional network in which the users are randomly distributed.In order to take into account the users' distribution to optimally place the BSs we optimize the uplink…

Networking and Internet Architecture · Computer Science 2013-02-22 Hirley Alves , Mehdi Bennis , Walid Saad , Mérouane Debbah , Matti Latva-aho

Cooperation in cellular networks is a promising scheme to improve system performance. Existing works consider that a user dynamically chooses the stations that cooperate for his/her service, but such assumption often has practical…

Networking and Internet Architecture · Computer Science 2016-11-09 Luis David Alvarez Corrales , Anastasios Giovanidis , Philippe Martins , Laurent Decreusefond

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

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

We consider the coordinated downlink beamforming problem in a cellular network with the base stations (BSs) equipped with multiple antennas, and with each user equipped with a single antenna. The BSs cooperate in sharing their local…

Information Theory · Computer Science 2011-11-29 Mingyi Hong , Alfredo Garcia , J. Joaquin Escudero Garzas , Ana Garcia-Armada

Spatial Poisson Point Process (PPP) network, whose Base Stations (BS)s are distributed according to a Poisson distribution, is currently used as a accurate model to analyse the performance of a cellular network. Most current work on…

Information Theory · Computer Science 2016-07-13 Sinh Cong Lam , Kumbesan Sandrasegaran