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While the 5th generation (5G) of mobile networks has landed in the commercial area, the research community is exploring new functionalities for 6th generation (6G) networks, for example non-terrestrial networks (NTNs) via space/air nodes…

网络与互联网体系结构 · 计算机科学 2023-05-10 Mattia Sandri , Matteo Pagin , Marco Giordani , Michele Zorzi

There has been an exponential increase in the usage of multimedia services in mobile networks in recent years. To address this accelerating data demand, mobile networks are experiencing a subtle transformation in their architecture. One of…

网络与互联网体系结构 · 计算机科学 2024-01-03 Rashmi Yadav , Rashmi Kamran , Pranav Jha , Abhay Karandikar

Capable of significantly reducing cell size and enhancing spatial reuse, network densification is shown to be one of the most dominant approaches to expand network capacity. Due to the scarcity of available spectrum resources, nevertheless,…

信息论 · 计算机科学 2017-07-04 Junyu Liu , Min Sheng , Kan Wang , Jiandong Li

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

网络与互联网体系结构 · 计算机科学 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho

Heterogeneous wireless networks (HetNets) provide a powerful approach to meet the dramatic mobile traffic growth, but also impose a significant challenge on backhaul. Caching and multicasting at macro and pico base stations (BSs) are two…

信息论 · 计算机科学 2016-04-11 Ying Cui , Dongdong Jiang

Data of the form of event times arise in various applications. A simple model for such data is a non-homogeneous Poisson process (NHPP) which is specified by a rate function that depends on time. We consider the problem of having access to…

机器学习 · 计算机科学 2018-06-22 Duncan Barrack , Simon Preston

We introduce the `nhppp' package for simulating events from one-dimensional non-homogeneous Poisson point processes (NHPPPs) in R fast and with a small memory footprint. We developed it to facilitate the sampling of event times in discrete…

统计计算 · 统计学 2024-05-30 Thomas A. Trikalinos , Yuliia Sereda

This study proposes a novel stochastic geometry framework analyzing power control strategies in spatially correlated network topologies. Heterogeneous networks are studied, with users modeled via the superposition of homogeneous and Poisson…

信号处理 · 电气工程与系统科学 2024-02-23 Martin Willame , Charles Wiame , Jérôme Louveaux , Claude Oestges , Luc Vandendorpe

In a heterogeneous network (HetNet) with a large number of low power base stations (BSs), proper user-BS association and power control is crucial to achieving desirable system performance. In this paper, we systematically study the joint BS…

信息论 · 计算机科学 2016-11-18 Ruoyu Sun , Mingyi Hong , Zhi-Quan Luo

In this paper, we analyze the signal-to-interference-plus-noise ratio (SINR) performance at a mobile station (MS) in a random cellular network. The cellular network is formed by base-stations (BSs) placed in a one, two or three dimensional…

信息论 · 计算机科学 2015-03-13 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian Liu , Timothy X Brown , Kenneth R. Baker

Multicell joint processing can mitigate inter-cell interference and thereby increase the spectral efficiency of cellular systems. Most previous work has assumed phase-aligned (coherent) transmissions from different base transceiver stations…

信息论 · 计算机科学 2016-11-17 Mingguang Xu , Dongning Guo , Michael L. Honig

In this letter, we characterize the load on the cellular macro base stations (MBSs) due to vehicular users modeled by a Poisson line Cox process (PLCP). Modeling the locations of MBSs by a homogeneous 2D Poisson point process (PPP), we…

信息论 · 计算机科学 2020-08-05 Vishnu Vardhan Chetlur , Harpreet S. Dhillon

Assuming a network of infinite extent, several researchers have analyzed small-cell networks using a Poisson point process (PPP) location model, leading to simple analytic expressions. The general assumption has been that these results…

信息论 · 计算机科学 2015-12-11 S. Alireza Banani , Andrew W. Eckford , Raviraj S. Adve

Recently, spatial stochastic models based on determinantal point processes (DPP) are studied as promising models for analysis of cellular wireless networks. Indeed, the DPPs can express the repulsive nature of the macro base station (BS)…

信息论 · 计算机科学 2015-03-19 Naoto Miyoshi , Tomoyuki Shirai

This work considers the problem of user association to small-cell base stations (SBSs) in a heterogeneous and small-cell network (HetSNet). Two optimization problems are investigated, which are maximizing the set of associated users to the…

网络与互联网体系结构 · 计算机科学 2022-01-28 Zoubeir Mlika , Mathew Goonewardena , Wessam Ajib , Halima Elbiaze

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…

In the rapid evolution of the non-terrestrial networks (NTNs), satellite communication has emerged as a focal area of research due to its critical role in enabling seamless global connectivity. In this paper, we investigate two…

信号处理 · 电气工程与系统科学 2025-05-19 Zhuhang Li , Bodong Shang

This paper provides an analytical performance characterization of both uplink (UL) and downlink (DL) user-centric network multiple-input multiple-output (MIMO) systems, where a cooperating BS cluster is formed for each user individually and…

信息论 · 计算机科学 2018-08-22 Caiyi Zhu , Wei Yu

This paper addresses the problem of competition vs. cooperation in the downlink, between base stations (BSs), of a multiple input multiple output (MIMO) interference, heterogeneous wireless network (HetNet). This research presents a…

计算机科学与博弈论 · 计算机科学 2014-02-24 Mathew Goonewardena , Xin Jin , Wessam Ajib , Halima Elbiaze

We develop a new tractable model for K-tier heterogeneous cellular networks (HetNets), where each base station (BS) is powered solely by a self-contained energy harvesting module. The BSs across tiers differ in terms of the energy…

信息论 · 计算机科学 2013-07-08 Harpreet S. Dhillon , Ying Li , Pavan Nuggehalli , Zhouyue Pi , Jeffrey G. Andrews