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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

The need to carry out analytical studies of wireless systems often motivates the usage of simplified models which, despite their tractability, can easily lead to an overestimation of the achievable performance. In the case of dense small…

Information Theory · Computer Science 2015-06-08 Carlo Galiotto , Nuno K. Pratas , Nicola Marchetti , Linda Doyle

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

In this paper, we analyse the coverage probability and the area spectral efficiency (ASE) for the uplink (UL) of dense small cell networks (SCNs) considering a practical path loss model incorporating both line-of-sight (LoS) and…

Information Theory · Computer Science 2017-01-05 Tian Ding , Ming Ding , Guoqiang Mao , Zihuai Lin , David Lopez-Perez , Albert Zomaya

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

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

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 study the impact of the base station (BS) idle mode capability (IMC) on the network performance in dense small cell networks (SCNs). Different from existing works, we consider a sophisticated path loss model incorporating…

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

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

Very recent studies showed that in a fully loaded dense small cell network (SCN), the coverage probability performance will continuously decrease with the network densification. Such new results were captured in IEEE ComSoc Technology News…

Information Theory · Computer Science 2017-09-27 Ming Ding , David Lopez-Perez , Guoqiang Mao , Zihuai Lin

With the anticipated increase in the number of low power base stations (BSs) deployed in small cell networks, blockage effects becoming more sensitive on wireless transmissions over high spectrums, variable propagation fading scenarios make…

Networking and Internet Architecture · Computer Science 2016-12-19 Jiaqi Chen , Fen Bin , Xiaohu Ge , Qiang Li , Cheng-Xiang Wang

Considering both non-line-of-sight (NLoS) and line-of-sight (LoS) transmissions, the transitional behaviors from noise-limited regime to dense interference-limited regime have been investigated for the fifth generation (5G) small cell…

Networking and Internet Architecture · Computer Science 2018-01-16 Bin Yang , Guoqiang Mao , Ming Ding , Xiaohu Ge , Xiaofeng Tao

We develop a framework for downlink heterogeneous cellular networks with line-of-sight (LoS) and non-line-of-sight (NLoS) transmissions. Using stochastic geometry, we derive tight approximation of achievable downlink rate that enables us to…

Information Theory · Computer Science 2017-01-13 Qi Zhang , Howard H. Yang , Tony Q. S. Quek , Jemin Lee

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 is on the spectral efficiency (SE) of a dense multi-cell massive multiple-input multiple-output (MIMO). The channels are spatially correlated and the multi-slope path loss model is considered. In our framework, the channel state…

Information Theory · Computer Science 2020-11-05 FahimeSadat Mirhosseini , Aliakbar Tadaion , S. Mohammad Razavizadeh

In this article, a network model incorporating both line-of-sight (LOS) and non-line-of-sight (NLOS) transmissions is proposed to investigate impacts of blockages in urban areas on heterogeneous network coverage performance. Results show…

Networking and Internet Architecture · Computer Science 2016-11-17 Bin Yang , Guoqiang Mao , Xiaohu Ge , Hsiao-Hwa Chen , Tao Han , Xuefei Zhang

The concept of Ultra Dense Networks (UDN) is often seen as a key enabler of the next generation mobile networks. However, existing analysis of UDNs, including Stochastic Geometry, has not been able to fully determine the potential gains and…

Information Theory · Computer Science 2017-12-07 Marcin Filo , Chuan Heng Foh , Seiamak Vahid , Rahim Tafazolli

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

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
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