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相关论文: Modeling Non-Uniform UE Distributions in Downlink …

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In cellular networks user equipment (UE) need to be tracked so that they can be reached by incoming data and to keep context information such as encryption keys available for UE originated transmission. Typically UEs measure reference…

网络与互联网体系结构 · 计算机科学 2022-05-13 Henrik Lundqvist , George P. Koudouridis , Xavier Gelabert

A recent approach in modeling and analysis of the supply and demand in heterogeneous wireless cellular networks has been the use of two independent Poisson point processes (PPPs) for the locations of base stations (BSs) and user equipments…

网络与互联网体系结构 · 计算机科学 2015-05-04 Meisam Mirahsan , Rainer Schoenen , Halim Yanikomeroglu

Using stochastic geometry, we develop a tractable uplink modeling paradigm for outage probability and spectral efficiency in both single and multi-tier cellular wireless networks. The analysis accounts for per user equipment (UE) power…

信息论 · 计算机科学 2014-01-24 Hesham ElSawy , Ekram Hossain

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…

信息论 · 计算机科学 2021-05-10 Xueyuan Wang , M. Cenk Gursoy

A K-tier heterogeneous downlink millimeter wave (mmWave) cellular network with user-centric small cell deployments is studied in this paper. In particular, we consider a heterogeneous network model with user equipments (UEs) being…

信息论 · 计算机科学 2017-07-25 Xueyuan Wang , Esma Turgut , M. Cenk Gursoy

This paper presents a comprehensive communication theoretic model for the physical layer of a cell-free user-centric network, formed by user equipments (UEs), radio units (RUs), and decentralized units (DUs), uniformly spatially distributed…

信息论 · 计算机科学 2024-01-15 Fabian Göttsch , Giuseppe Caire , Wen Xu , Martin Schubert

There have been a bulk of analytic results about the performance of cellular networks where base stations are regularly located on a hexagonal or square lattice. This regular model cannot reflect the reality, and tends to overestimate the…

网络与互联网体系结构 · 计算机科学 2015-03-19 Seung Min Yu , Seong-Lyun Kim

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

Mobile users (or UEs, to use 3GPP terminology) served by small cells in dense urban settings may abruptly experience a significant deterioration in their channel to their serving base stations (BSs) in several scenarios, such as after…

信息论 · 计算机科学 2020-05-12 Sayandev Mukherjee , Bernardo A. Huberman

In this work, we consider the downlink of a single-cell multi-user MIMO system in which the base station (BS) makes use of $N$ antennas to communicate with $K$ single-antenna user equipments (UEs). The UEs move around in the cell according…

信息论 · 计算机科学 2016-11-18 Luca Sanguinetti , Aris L. Moustakas , Emil Bjornson , Merouane Debbah

Network densification and heterogenisation through the deployment of small cellular access points (picocells and femtocells) are seen as key mechanisms in handling the exponential increase in cellular data traffic. Modelling such networks…

网络与互联网体系结构 · 计算机科学 2017-05-11 Pete Pratt , Carl P. Dettmann , Orestis Georgiou

This paper tackles the problem of downlink data transmission in massive multiple-input multiple-output (MIMO) systems where user equipments (UEs) exhibit high spatial correlation and channel estimation is limited by strong pilot…

信息论 · 计算机科学 2022-03-31 Placido Mursia , Italo Atzeni , Laura Cottatellucci , David Gesbert

Coordinated multi-point (CoMP) schemes have been widely studied in the recent years to tackle the inter-cell interference. In practice, latency and throughput constraints on the backhaul allow the organization of only small clusters of base…

信息论 · 计算机科学 2015-07-17 Paolo Baracca , Federico Boccardi , Nevio Benvenuto

Uplink-downlink decoupling in which users can be associated to different base stations in the uplink and downlink of heterogeneous small cell networks (SCNs) has attracted significant attention recently. However, most existing works focus…

信息论 · 计算机科学 2016-11-15 Mingzhe Chen , Walid Saad , Changchuan Yin

As the mobile communication network evolves over the past few decades, localizing user equipment (UE) has become an important network service. While localization in line-of-sight (LoS) scenarios has reached a level of maturity, it is known…

信号处理 · 电气工程与系统科学 2024-08-26 Zhiwen Zhou , Zhiqiang Xiao , Yong Zeng

The performance of cellular system significantly depends on its network topology, where the spatial deployment of base stations (BSs) plays a key role in the downlink scenario. Moreover, cellular networks are undergoing a heterogeneous…

网络与互联网体系结构 · 计算机科学 2014-11-11 Yifan Zhou , Zhifeng Zhao , Qianlan Ying , Rongpeng Li , Xuan Zhou , Xianfu Chen , Honggang Zhang

Considering both small-scale fading and long-term shadowing, we characterize the downlink rate distribution at a typical user equipment (UE) in a heterogeneous cellular network (HetNet), where shadowing, following any general distribution,…

信息论 · 计算机科学 2013-06-27 Harpreet S. Dhillon , Jeffrey G. Andrews

Existing studies analyzing electromagnetic field (EMFE) in wireless networks have primarily considered downlink communications. In the uplink, the EMFE caused by the user's smartphone is usually the only considered source of radiation,…

网络与互联网体系结构 · 计算机科学 2024-10-28 Quentin Gontier , Charles Wiame , Joe Wiart , François Horlin , Christo Tsigros , Claude Oestges , Philippe De Doncker

Beyond 5G networks will operate at high frequencies with wide bandwidths. This brings both opportunities and challenges. Opportunities include high throughput connectivity with low latency. However, one of the main challenges in these…

信息论 · 计算机科学 2025-09-30 Vijaya Yajnanarayana

This paper presents a tractable model for analyzing non-coherent joint transmission base station (BS) cooperation, taking into account the irregular BS deployment typically encountered in practice. Besides cellular-network specific aspects…

信息论 · 计算机科学 2014-09-22 Ralph Tanbourgi , Sarabjot Singh , Jeffrey G. Andrews , Friedrich K. Jondral
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