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In this paper, we introduce a sophisticated path loss model incorporating both line-of-sight (LoS) and non-line-of-sight (NLoS) transmissions to study their impact on the performance of dense small cell networks (SCNs). Analytical results…

Information Theory · Computer Science 2015-12-15 Ming Ding , Peng Wang , David Lopez-Perez , Guoqiang Mao , Zihuai Lin

In this paper, we introduce a sophisticated path loss model into the stochastic geometry analysis incorporating both line-of-sight (LoS) and non-line-of-sight (NLoS) transmissions to study their performance impact in small cell networks…

Networking and Internet Architecture · Computer Science 2017-09-28 Ming Ding , David Lopez-Perez , Guoqiang Mao , Peng Wang , Zihuai Lin

In this paper, we propose a unified framework to analyze the performance of dense small cell networks (SCNs) in terms of the coverage probability and the area spectral efficiency (ASE). In our analysis, we consider a practical path loss…

Networking and Internet Architecture · Computer Science 2017-02-17 Bin Yang , Ming Ding , Guoqiang Mao , Xiaohu Ge

This work aims to design the uplink (UL) of a cellular network for maximal energy efficiency (EE). Each base station (BS) is randomly deployed within a given area and is equipped with $M$ antennas to serve $K$ user equipments (UEs). A…

Information Theory · Computer Science 2018-06-25 Andrea Pizzo , Daniel Verenzuela , Luca Sanguinetti , Emil Björnson

This paper analyzes the downlink performance of ultra-dense networks with elevated base stations (BSs). We consider a general dual-slope pathloss model with distance-dependent probability of line-of-sight (LOS) transmission between BSs and…

Information Theory · Computer Science 2017-03-20 Italo Atzeni , Jesús Arnau , Marios Kountouris

This paper aims at investigating the achievable performance and the issues that arise in ultra-dense networks (UDNs), when the signal propagation includes both the Line-of-Sight (LOS) and Non-Line-Of-Sight (NLOS) components. Backed by an…

Information Theory · Computer Science 2015-07-08 Carlo Galiotto , Nuno K. Pratas , Linda Doyle , Nicola Marchetti

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

Most prior work on performance analysis of ultra-dense cellular networks (UDNs) has considered standard power-law path loss models and non-line-of-sight (NLOS) propagation modeled by Rayleigh fading. The effect of line-of-sight (LOS) on…

Information Theory · Computer Science 2016-09-29 Jesús Arnau , Italo Atzeni , Marios Kountouris

In this paper, we investigate the downlink performance of dense cellular networks with elevated base stations (BSs) using a channel model that incorporates line-of-sight (LOS)/non-line-of-sight (NLOS) propagation in both small-scale and…

Information Theory · Computer Science 2017-03-06 Italo Atzeni , Jesús Arnau , Marios Kountouris

In a heterogeneous network consisting of macro base stations (MBSs) and small base stations (SBSs), the traditional cell association policy, i.e., coupled access (CA), is far from optimal, due to the significant difference between the…

Information Theory · Computer Science 2016-05-30 Ran Li , Kai Luo , Tao Jiang , Shi Jin

From very recent studies, the area spectral efficiency (ASE) performance of downlink (DL) cellular networks will continuously decrease and finally to zero with the network densification in a fully loaded ultra-dense network (UDN) when the…

Networking and Internet Architecture · Computer Science 2018-02-22 Junnan Yang , Ming Ding , Guoqiang Mao , Zihuai Lin , De-gan Zhang , Tom Hao Luan

In this paper, we analyse the performance of dense small cell network (SCNs). We derive analytical expressions for both their coverage probability and their area spectral efficiency (ASE) using a path loss model that considers both…

Information Theory · Computer Science 2016-10-31 Amir H. Jafari , Ming Ding , David Lopez-Perez , Jie Zhang

In recent times, the use of stochastic geometry has become a popular and important tool for performance analysis of next-generation dense small cell wireless networks. Usually, such networks are modeled using 2 dimensional spatial Poisson…

Information Theory · Computer Science 2020-01-01 Aritra Chatterjee , Suvra Sekhar Das

In this paper we investigate the effect of Line-of-Sight (LOS) and Non-Line-of-Sight (NLOS) propagation on the Area Spectral Efficiency (ASE) and on the energy efficiency of dense small-cell networks. We show that including both LOS and…

Networking and Internet Architecture · Computer Science 2014-09-29 Carlo Galiotto , Ismael Gomez-Miguelez , Nicola Marchetti , Linda Doyle

We investigate the performance of a downlink ultra-dense network (UDN) with directional transmissions via stochastic geometry. Considering the dual-slope path loss model and sectored beamforming pattern, we derive the expressions and…

Information Theory · Computer Science 2019-12-30 Yining Xu , Sheng Zhou

In order to improve the uplink performance of future cellular networks, the idea to decouple the downlink (DL) and uplink (UL) association has recently been shown to provide significant gain in terms of both coverage and rate performance.…

Information Theory · Computer Science 2017-02-07 Mudasar Bacha , Yueping Wu , Bruno Clerckx

A K-tier heterogeneous mmWave uplink cellular network with clustered user equipments (UEs) is considered in this paper. In particular, UEs are assumed to be clustered around small-cell base stations (BSs) according to a Gaussian…

Information Theory · Computer Science 2021-05-10 Xueyuan Wang , M. Cenk Gursoy

Load balancing by proactively offloading users onto small and otherwise lightly-loaded cells is critical for tapping the potential of dense heterogeneous cellular networks (HCNs). Offloading has mostly been studied for the downlink, where…

Information Theory · Computer Science 2015-03-25 Sarabjot Singh , Xinchen Zhang , 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 paper firstly develops an analytical framework to investigate the performance of uplink (UL) / downlink (DL) decoupled access in cellular vehicle-to-everything (C-V2X) networks, in which a vehicle's UL/DL can be connected to different…

Signal Processing · Electrical Eng. & Systems 2024-05-13 Luofang Jiao , Kai Yu , Jiacheng Chen , Tingting Liu , Haibo Zhou , Lin Cai
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