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Random spatial models are attractive for modeling heterogeneous cellular networks (HCNs) due to their realism, tractability, and scalability. A major limitation of such models to date in the context of HCNs is the neglect of network traffic…

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

In this paper, we consider a heterogeneous repository of drone-enabled aerial base stations with varying transmit powers that provide downlink wireless coverage for ground users. One particular challenge is optimal selection and deployment…

Information Theory · Computer Science 2023-08-29 Nima Namvar , Fatemeh Afghah , Ismail Guvenc

We develop a general downlink model for multi-antenna heterogeneous cellular networks (HetNets), where base stations (BSs) across tiers may differ in terms of transmit power, target signal-to-interference-ratio (SIR), deployment density,…

Information Theory · Computer Science 2016-11-15 Harpreet S. Dhillon , Marios Kountouris , Jeffrey G. Andrews

In this paper, we investigate how network densification influences the performance of downlink cellular network in terms of coverage probability (CP) and area spectral efficiency (ASE). Instead of the simplified unbounded pathloss model…

Information Theory · Computer Science 2016-11-17 Junyu Liu , Min Sheng , Lei Liu , Jiandong Li

This tutorial is intended as an accessible but rigorous first reference for someone interested in learning how to model and analyze cellular network performance using stochastic geometry. In particular, we focus on computing the…

Information Theory · Computer Science 2016-10-06 Jeffrey G. Andrews , Abhishek K. Gupta , Harpreet S. Dhillon

In this paper, we provide an analytical framework to analyze heterogeneous downlink mmWave cellular networks consisting of K tiers of randomly located base stations (BSs) where each tier operates in a mmWave frequency band.…

Information Theory · Computer Science 2017-04-05 Esma Turgut , M. Cenk Gursoy

Intelligent reflecting surface (IRS) can be densely deployed in complex environment to create cascaded line-of-sight (LoS) paths between multiple base stations (BSs) and users via tunable IRS reflections, thereby significantly enhancing the…

Information Theory · Computer Science 2023-04-07 Weidong Mei , Rui Zhang

In this paper, we present a detailed analysis of the coverage and spectral efficiency of a downlink cellular network. Rather than relying on the first order statistics of received signal-to-interference-ratio (SIR) such as coverage…

Networking and Internet Architecture · Computer Science 2018-08-20 A. M. Hayajneh , S. A. R. Zaidi , Des. C. McLernon , M. Z. Win , A. Imran , M. Ghogho

In this study, we explore the performance of a reconfigurable reflecting surface (RIS)-assisted transmit spatial modulation (SM) system for downlink transmission, wherein the deployment of RIS serves the purpose of blind area coverage…

Information Theory · Computer Science 2024-09-04 Xusheng Zhu , Qingqing Wu , Wen Chen

We propose a novel framework for optimizing antenna parameter settings in a heterogeneous cellular network. We formulate an optimization problem for both coverage and capacity - in both the downlink (DL) and uplink (UL) - which configures…

Signal Processing · Electrical Eng. & Systems 2022-10-31 Ezgi Tekgul , Thomas Novlan , Salam Akoum , Jeffrey G. Andrews

We address the common rate maximization problem in two-layer cellular networks where high-power and low-power base stations are colocated in the same geographical area. Interference becomes a serious problem when two or more layers are…

Networking and Internet Architecture · Computer Science 2013-03-01 Kemal Davaslioglu , Ender Ayanoglu

This paper considers the optimization of the user and base-station (BS) association in a wireless downlink heterogeneous cellular network under the proportional fairness criterion. We first consider the case where each BS has a single…

Networking and Internet Architecture · Computer Science 2014-08-19 Kaiming Shen , Wei Yu

In this paper, the theoretical sustainable capacity of wireless networks with radio frequency (RF) energy harvesting is analytically studied. Specifically, we consider a large scale wireless network where base stations (BSs) and low power…

Networking and Internet Architecture · Computer Science 2018-06-05 Ziru Chen , Zhao Chen , Lin X. Cai , Yu Cheng , Ruoting Gong

This paper provides an analytical framework with foundations in stochastic geometry to characterize the spatio-temporal interference correlation as well as the joint coverage probability at two spatial locations in a cellular network. In…

Information Theory · Computer Science 2016-06-17 Shankar Krishnan , Harpreet S. Dhillon

Radio stripes (RSs) is an emerging technology in beyond 5G and 6G wireless networks to support the deployment of cell-free architectures. In this paper, we investigate the potential use of RSs to enable joint positioning and synchronization…

This work considers the uplink of a Massive MIMO network wherein the base stations (BSs) are randomly deployed according to a homogenous Poisson point process of intensity $\lambda$. Each BS is equipped with $M$ antennas and serves $K$ user…

Information Theory · Computer Science 2019-06-04 Fahime Sadat Mirhosseini , Andrea Pizzo , Luca Sanguinetti , Aliakbar Tadaion

In a heterogeneous cellular network (HetNet) consisting of $M$ tiers of densely-deployed base stations (BSs), consider that each of the BSs in the HetNet that are associated with multiple users is able to simultaneously schedule and serve…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Chun-Hung Liu , Di-Chun Liang , Po-Chia Chen , Jie-Ru Yang

The presence of signal outage, due to shadowing and blockage, is expected to be the main bottleneck in millimeter wave (mmWave) networks. Moreover, with the anticipated vision that mmWave networks would have a dense deployment of base…

Information Theory · Computer Science 2015-03-19 Diana Maamari , Natasha Devroye , Daniela Tuninetti

We consider a backhaul-constrained coordinated cellular network. That is, a single-frequency network with $N+1$ multi-antenna base stations (BSs) that cooperate in order to decode the users' data, and that are linked by means of a common…

Information Theory · Computer Science 2008-02-07 Aitor del Coso , Sebastien Simoens

We consider the multi-cell uplink (network MIMO) where M base-stations (BSs) communicate simultaneously with M user terminals (UTs). Although the potential benefit of multi-cell cooperation increases with M, the overhead related to learning…

Information Theory · Computer Science 2011-04-13 Jakob Hoydis , Mari Kobayashi , Merouane Debbah