16 research outputs found
Measurement and Statistical Analysis of End User Satisfaction with Mobile Network Coverage in Afghanistan
Network coverage is one of the fundamental requirements of any business of a
service provider. Mobile operators are expected to deploy base stations in an
effective way in order to cover most of the residential areas of a particular
country. Improved network coverage leads to increase total revenue, provide end
users with enhanced Quality of Services QoS anytime anywhere, and play vital
role in the development of telecom sector. In this paper, we measure and
statistically analyze network coverage of mobile operators in Afghanistan. Our
study is based on primary data collected on random basis from 1,515 mobile
phone users of cellular operators. The relationship between No Network Coverage
in some residential areas and Satisfaction of Mobile Phone Users is also
investigated. We furthermore propose realistic, feasible and cost-efficient
solutions to mobile operators and policy makers in order to expand network
coverage to non-covered residential areas as well as enhance the performance of
networks in existing covered areas of the country
5GAuRA. D3.3: RAN Analytics Mechanisms and Performance Benchmarking of Video, Time Critical, and Social Applications
5GAuRA deliverable D3.3.This is the final deliverable of Work Package 3 (WP3) of the 5GAuRA project, providing a report on the project’s developments on the topics of Radio Access Network (RAN) analytics and application performance benchmarking. The focus of this deliverable is to extend and deepen the methods and results provided in the 5GAuRA deliverable D3.2 in the context of specific use scenarios of video, time critical, and social applications. In this respect, four major topics of WP3 of 5GAuRA – namely edge-cloud enhanced RAN architecture, machine learning assisted Random Access Channel (RACH) approach, Multi-access Edge Computing (MEC) content caching, and active queue management – are put forward.
Specifically, this document provides a detailed discussion on the service level agreement between tenant and service provider in the context of network slicing in Fifth Generation (5G) communication networks. Network slicing is considered as a key
enabler to 5G communication system. Legacy telecommunication networks have been providing various services to all kinds of customers through a single network infrastructure. In contrast, by deploying network slicing, operators are now able to
partition one network into individual slices, each with its own configuration and Quality of Service (QoS) requirements. There are many applications across industry that open new business opportunities with new business models. Every application instance requires an independent slice with its own network functions and features, whereby every single slice needs an individual Service Level Agreement (SLA). In D3.3, we propose a comprehensive end-to-end structure of SLA between the tenant and the service provider of sliced 5G network, which balances the interests of both sides. The proposed SLA defines reliability, availability, and performance of delivered telecommunication services in order to ensure that right information is delivered to the right destination at right time, safely and securely. We also discuss the metrics of slicebased network SLA such as throughput, penalty, cost, revenue, profit, and QoS related metrics, which are, in the view of 5GAuRA, critical features of the agreement.Peer ReviewedPostprint (published version
Digital Twins for Industry 4.0 in the 6G Era
Having the Fifth Generation (5G) mobile communication system recently rolled
out in many countries, the wireless community is now setting its eyes on the
next era of Sixth Generation (6G). Inheriting from 5G its focus on industrial
use cases, 6G is envisaged to become the infrastructural backbone of future
intelligent industry. Especially, a combination of 6G and the emerging
technologies of Digital Twins (DT) will give impetus to the next evolution of
Industry 4.0 (I4.0) systems. This article provides a survey in the research
area of 6G-empowered industrial DT system. With a novel vision of 6G industrial
DT ecosystem, this survey discusses the ambitions and potential applications of
industrial DT in the 6G era, identifying the emerging challenges as well as the
key enabling technologies. The introduced ecosystem is supposed to bridge the
gaps between humans, machines, and the data infrastructure, and therewith
enable numerous novel application scenarios.Comment: Accepted for publication in IEEE Open Journal of Vehicular Technolog
Terahertz Communications and Sensing for 6G and Beyond: A Comprehensive View
The next-generation wireless technologies, commonly referred to as the sixth
generation (6G), are envisioned to support extreme communications capacity and
in particular disruption in the network sensing capabilities. The terahertz
(THz) band is one potential enabler for those due to the enormous unused
frequency bands and the high spatial resolution enabled by both short
wavelengths and bandwidths. Different from earlier surveys, this paper presents
a comprehensive treatment and technology survey on THz communications and
sensing in terms of the advantages, applications, propagation characterization,
channel modeling, measurement campaigns, antennas, transceiver devices,
beamforming, networking, the integration of communications and sensing, and
experimental testbeds. Starting from the motivation and use cases, we survey
the development and historical perspective of THz communications and sensing
with the anticipated 6G requirements. We explore the radio propagation, channel
modeling, and measurements for THz band. The transceiver requirements,
architectures, technological challenges, and approaches together with means to
compensate for the high propagation losses by appropriate antenna and
beamforming solutions. We survey also several system technologies required by
or beneficial for THz systems. The synergistic design of sensing and
communications is explored with depth. Practical trials, demonstrations, and
experiments are also summarized. The paper gives a holistic view of the current
state of the art and highlights the issues and challenges that are open for
further research towards 6G.Comment: 55 pages, 10 figures, 8 tables, submitted to IEEE Communications
Surveys & Tutorial