中文
相关论文

相关论文: Worst-case User Analysis in Poisson Voronoi Cells

200 篇论文

Network energy saving has received great attention from operators and vendors to reduce energy consumption and CO2 emissions to the environment as well as significantly reduce costs for mobile network operators. However, the design of…

网络与互联网体系结构 · 计算机科学 2024-08-21 Dinh-Hieu Tran , Nguyen Van Huynh , Soumeya Kaada , Van Nhan Vo , Eva Lagunas , Symeon Chatzinotas

This paper considers cell-free and user-centric approaches for coverage improvement in wireless cellular systems operating at millimeter wave frequencies, and proposes downlink power control algorithms aimed at maximizing the global energy…

信息论 · 计算机科学 2018-05-15 Mario Alonzo , Stefano Buzzi , Alessio Zappone

Motivated by the need for ubiquitous and reliable communications in post-disaster emergency management systems (EMSs), we hereby present a novel and efficient stochastic geometry (SG) framework. This mathematical model is specifically…

系统与控制 · 电气工程与系统科学 2023-02-21 Maurilio Matracia , Mustafa A. Kishk , Mohamed-Slim Alouini

With the development of sixth-generation (6G) wireless communication networks, the security challenges are becoming increasingly prominent, especially for mobile users (MUs). As a promising solution, physical layer security (PLS) technology…

信号处理 · 电气工程与系统科学 2026-02-17 Wenxuan Ma , Bin Lin , Hongyang Pan , Geng Sun , Enyu Shi , Jiancheng An , Chau Yuen

A cellular multiple-input multiple-output (MIMO) downlink system is studied in which each base station (BS) transmits to some of the users, so that each user receives its intended signal from a subset of the BSs. This scenario is referred…

信息论 · 计算机科学 2013-02-12 Saeed Kaviani , Osvaldo Simeone , Witold A Krzymień , Shlomo Shamai

Cooperation in cellular networks has been recently suggested as a promising scheme to improve system performance. In this work, clusters are formed based on the Mutually Nearest Neighbour relation, which defines which stations cooperate in…

网络与互联网体系结构 · 计算机科学 2017-02-08 Luis David Alvarez Corrales , Anastasios Giovanidis , Philippe Martins

This paper studied the fundamental modeling defect existing in Poisson-distributed cellular networks in which all base stations form a homogeneous Poisson point process (PPP) of intensity $\lambda_B$ and all users form another independent…

信息论 · 计算机科学 2015-02-10 Chun-Hung Liu , Li-Chun Wang

In this paper, we consider massive multiple-input multiple-output (MIMO) systems for both downlink and uplink scenarios, where three radio units (RUs) connected via one digital unit (DU) support multiple user equipments (UEs) at the…

信息论 · 计算机科学 2016-11-17 Yeon-Geun Lim , Chan-Byoung Chae , Giuseppe Caire

Coordinated information processing by the base stations of multi-cell wireless networks enhances the overall quality of communication in the network. Such coordinations for optimizing any desired network-wide quality of service (QoS)…

信息论 · 计算机科学 2015-05-20 Ali Tajer , Narayan Prasad , Xiaodong Wang

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…

信息论 · 计算机科学 2018-06-25 Andrea Pizzo , Daniel Verenzuela , Luca Sanguinetti , Emil Björnson

This letter develops an optimum beamforming method for downlink transmissions in cell-free massive multiple-input multiple-output (MIMO) systems, which employ a massive number of distributed access points to provide concurrent services to…

信号处理 · 电气工程与系统科学 2020-06-11 Andong Zhou , Jingxian Wu , Erik G. Larsson , Pingzhi Fan

Multi-tier architecture improves the spatial reuse of radio spectrum in cellular networks, but it introduces complicated heterogeneity in the spatial distribution of transmitters, which brings new challenges in interference analysis. In…

网络与互联网体系结构 · 计算机科学 2014-10-28 Wei Bao , Ben Liang

This paper derives tight performance upper and lower bounds on the downlink outage efficiency of K-tier heterogeneous cellular networks (HCNs) for general signal propagation models with Poisson distributed base stations in each tier. In…

信息论 · 计算机科学 2016-02-08 Serkan Ak , Hazer Inaltekin , H. Vincent Poor

The mobile users on board vehicles often experience low quality of service due to the vehicular penetration effect, especially at the cell edges. The so-called mobile-cells are installed inside public transport vehicles to serve the…

信号处理 · 电气工程与系统科学 2018-08-07 Shan Jaffry , Syed Faraz Hasan , Xiang Gui

In this paper, we analyze the downlink coverage probability and rate of an aerial user in vertical HetNets (VHetNets) comprising aerial base stations (aerial-BSs) and terrestrial-BSs. The locations of terrestrial-BSs are modeled as an…

信号处理 · 电气工程与系统科学 2020-09-11 Nesrine Cherif , Mohamed Alzenad , Halim Yanikomeroglu , Abbas Yongacoglu

We use stochastic network calculus to investigate the delay performance of a multiuser MISO system with zero-forcing beamforming. First, we consider ideal assumptions with long codewords and perfect CSI at the transmitter, where we observe…

信息论 · 计算机科学 2018-06-27 Sebastian Schiessl , James Gross , Mikael Skoglund , Giuseppe Caire

Future cellular systems based on the use of above-6 GHz frequencies, the so-called millimeter wave (mmWave) bandwidths, will heavily rely on the use of antenna arrays both at the transmitter and at the receiver, possibly with a large number…

信息论 · 计算机科学 2016-10-25 Stefano Buzzi , Carmen D'Andrea

In this paper, we investigate the uplink performance of cell-free (CF) extremely large-scale multiple-input-multipleoutput (XL-MIMO) systems, which is a promising technique for future wireless communications. More specifically, we consider…

信息论 · 计算机科学 2023-02-15 Hao Lei , Zhe Wang , Huahua Xiao , Jiayi Zhang , Bo Ai

In this letter, we characterize the distribution of the number of users associated with the typical base station (BS), termed the typical cell load, in a cellular network where the BSs are distributed as a homogeneous Poisson point process…

信息论 · 计算机科学 2020-04-22 Chiranjib Saha , Harpreet S. Dhillon

The recent witnessed evolution of cellular networks from a carefully planned deployment to more irregular, heterogeneous deployments of Macro, Pico and Femto-BSs motivates new analysis and design approaches. In this paper, we analyze the…

网络与互联网体系结构 · 计算机科学 2013-09-17 Abdelrahman M. Ibrahim , Tamer ElBatt , Amr El-Keyi