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相关论文: Coverage in mmWave Cellular Networks with Base sta…

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Human blockage is one of the main challenges for mmWave communication networks in dynamic environments. The shadowing by a human body results in significant received power degradation and could occur abruptly and frequently. A shadowing…

信号处理 · 电气工程与系统科学 2022-08-16 Rizqi Hersyandika , Yang Miao , Sofie Pollin

Configuring the antenna arrays is the main source of overhead in millimeter wave (mmWave) communication systems. In high mobility scenarios, the problem is exacerbated, as achieving the highest rates requires frequent link reconfiguration.…

信息论 · 计算机科学 2017-05-04 Nuria González-Prelcic , Anum Ali , Vutha Va , Robert W. Heath

In this paper, we develop an accurate closed-form analytic expression of the outage probability for each source-destination (S-D) pair in the two S-D pairs two relays wireless network, where cooperative network coding is applied over…

信息论 · 计算机科学 2024-06-14 Elias Benamira , Fatiha Merazka , Güneş Karabulut Kurt

Rapidly fading channels caused by pedestrians in dense urban environments will have a significant impact on millimeter-wave (mmWave) communications systems that employ electrically-steerable and narrow beamwidth antenna arrays. A…

信息论 · 计算机科学 2017-11-08 George R. MacCartney , Theodore S. Rappaport , Sundeep Rangan

The millimeter wave (mmWave) frequencies offer the potential of orders of magnitude increases in capacity for next-generation cellular wireless systems. However, links in mmWave networks are highly susceptible to blocking and may suffer…

网络与互联网体系结构 · 计算机科学 2018-03-06 Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Recent developments in robotics and communication technologies are paving the way towards the use of Unmanned Aerial Vehicles (UAVs) to provide ubiquitous connectivity in public safety scenarios or in remote areas. The millimeter wave…

网络与互联网体系结构 · 计算机科学 2020-03-04 Matilde Boschiero , Marco Giordani , Michele Polese , Michele Zorzi

Millimeter wave (mmWave) communication systems can provide high data rates but the system performance may degrade significantly due to mobile blockers and the user's own body. A high frequency of interruptions and long duration of blockage…

信号处理 · 电气工程与系统科学 2018-08-06 Ish Kumar Jain , Rajeev Kumar , Shivendra Panwar

Due to the greater path loss, shadowing, and increased effect of blockage in millimeter wave cellular networks, base station sharing among network service providers has the potential to significantly improve overall network capacity.…

信息论 · 计算机科学 2018-04-27 Shahram Shahsavari , Fraida Fund , Elza Erkip , Shivendra S Panwar

It is anticipated that much higher network capacity will be achieved by the fifth generation (5G) small cell networks incorporated with the millimeter wave (mmWave) technology. However, mmWave signals are more sensitive to blockages than…

网络与互联网体系结构 · 计算机科学 2018-12-06 Jiaqi Chen , Xiaohu Ge , Qiang Ni

This paper aims to exploit the fundamental limits on the downlink coverage and spatial throughput performances of a cellular network comprised of a tier of unmanned aerial vehicle (UAV) base stations (BSs) using the millimeter wave (mmWave)…

信息论 · 计算机科学 2019-08-21 Chun-Hung Liu , Kai-Hsiang Ho , Jwo-Yuh Wu

The potential of the millimeter wave (mmWave) band in meeting the ever growing demand for high data rate and capacity in emerging fifth generation (5G) wireless networks is well-established. Since mmWave systems are expected to use highly…

信号处理 · 电气工程与系统科学 2017-10-13 Solmaz Niknam , Balasubramaniam Natarajan , Hani Mehrpouyan

Given the overcrowding in the 300 MHz-3 GHz spectrum, millimeter wave (mmWave) spectrum is a promising candidate for the future generations of wireless networks. With the unique propagation characteristics at mmWave frequencies, one of the…

信号处理 · 电气工程与系统科学 2018-04-11 Solmaz Niknam , Balasubramaniam Natarajan

We investigate the performance of mixed free space optical (FSO)/millimeter-wave (mmWave) relay networks with interference at the destination. The FSO/mmWave channels are assumed to follow Malaga-M/Generalized-K fading models with pointing…

信息论 · 计算机科学 2019-05-03 Imene Trigui , Panagiotis D. Diamantoulakis , Sofiene Affes , George K. Karagiannidis

In this paper, the outage performance of a two-tier heterogeneous mmWave cellular networks employing joint spatial division and multiplexing (JSDM) is investigated. It is assumed that macro base stations (BSs) equipped with a large number…

信号处理 · 电气工程与系统科学 2019-01-24 Jun Chen , Deli Qiao

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

Multi-cell cooperation is a promising approach for mitigating inter-cell interference in dense cellular networks. Quantifying the performance of multi-cell cooperation is challenging as it integrates physical-layer techniques and network…

信息论 · 计算机科学 2011-03-23 Kaibin Huang , Jeffrey G. Andrews

In the millimeter waves (mmWave) bands considered for 5G and beyond, the use of very high frequencies results in the interruption of communication whenever there is no line of sight between the transmitter and the receiver. Blockages have…

信号处理 · 电气工程与系统科学 2024-12-03 Cristian García Ruiz , Antonio Pascual-Iserte , Olga Muñoz-Medina

Predicting the millimeter wave (mmWave) beams and blockages using sub-6GHz channels has the potential of enabling mobility and reliability in scalable mmWave systems. These gains attracted increasing interest in the last few years. Prior…

信息论 · 计算机科学 2019-11-05 Muhammad Alrabeiah , Ahmed Alkhateeb

Ad hoc networks provide an on-demand, infrastructure-free means to communicate between soldiers in war zones, aid workers in disaster areas, or consumers in device-to-device (D2D) applications. Unfortunately, ad hoc networks are limited by…

信息论 · 计算机科学 2016-11-15 Andrew Thornburg , Tianyang Bai , Robert W. Heath

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