Πλοήγηση ανά Θέμα "Queueing networks"
Αποτελέσματα 1-18 από 18
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5G-VICTORI: Future Railway Communications Requirements Driving 5G Deployments in Railways
(2021)The complete transformation of the ICT domain driven by 5G network principles and capabilities, will impact significantly the path towards digitalization of many vertical industries, with modern railway transportations ... -
5G-XHaul: A Novel Wireless-Optical SDN Transport Network to Support Joint 5G Backhaul and Fronthaul Services
(2019)The increased carrier bandwidth and the number of antenna elements expected in 5G networks require a redesign of the traditional IP-based backhaul and CPRI-based fronthaul interfaces used in 4G networks. We envision future ... -
5G-XHaul: Enabling Scalable Virtualization for Future 5G Transport Networks
(2017)Network slicing is a major trend in the design of future 5G networks that will enable operators to effectively service multiple industry verticals with a single network infrastructure. Thus, network slicing will shape all ... -
Advances in stochastic models of manufacturing and service operations
(2015)The special issue on advances in stochastic models of manufacturing and service operations presents state-of-the art research results in the area of stochastic models for the analysis, design, coordination, and control of ... -
AI-driven Service-aware Real-time Slicing for beyond 5G Networks
(2022)Wide network softwarization is creating fertile ground for the application of novel concepts in the management of the deployed network functions. This allows a drastic shift for the applications hosted on top of the network, ... -
A Dynamic Pricing and Leasing Module for 5G Networks
(2020)In this paper, a novel framework for enabling dynamic Policy and Charging Rules in modern 5G multi-tenancy environments is designed and presented. More specifically, adaptive pricing schemes are utilized by MNOs for ... -
Experimental evaluation of a Follow-me MEC Cloud-Native 5G network
(2021)Cloud-native approaches for network functions In the 5G context have been embraced by the community, as they allow flexible management, reconfiguration and monitoring of the network in an end-to-end manner. As network ... -
Fast Spectral Assessment for Handover Decisions in 5G Networks
(2019)In this paper, we present a UE-driven light-weight mechanism for fast handover decision and efficient WLAN selection in the context of 5G networks. As the network deployments are expected to be denser and the mobile user ... -
Multi-RAT spectrum reallocation including carrier aggregation for 5G networks
(2018)Towards the 5G vision of massive access exploding the growth in data traffic, spectrum refarming and reallocation are considered key enabling technologies. Using spectrum reallocation (SR) with the spectrum originally ... -
On optimal routing in overloaded parallel queues
(2013)We consider the problem of routing Bernoulli arrivals to parallel queues, where each queue provides service according to an independent Bernoulli process. We assume that the total arrival rate exceeds the sum of the service ... -
Optimal Dynamic Allocation of Collaborative Servers in Two Station Tandem Systems
(2019)We consider two-stage tandem queueing systems with one dedicated server in each station and a flexible server that can serve both stations. We assume exponential service times, linear holding costs accrued by jobs present ... -
Optimal server assignment in a two-stage tandem queueing system
(2020)We study Markovian queueing systems consisting of two stations in tandem. There is a dedicated server in each station and an additional server that can be assigned to any station. Assuming that linear holding costs are ... -
Private 5G Networks: Concepts, Architectures, and Research Landscape
(2022)A private fifth generation (5G) network is a dedicated 5G network with enhanced communication characteristics, unified connectivity, optimized services, and customized security within a specific area. By subsuming the ... -
Semantic Coordination on the Edge of Heterogeneous Ultra Dense Networks
(2021)Ultra Dense Networks with flexible heterogeneous technologies (HetUDN) for the Radio Access Network (RAN) are prospective candidate architectures that promise to bring the required network flexibility and to support the ... -
Servicing Inelasticity, Leasing Resources and Pricing in 5G Networks
(2020)We consider the problem for mobile network operators (MNOs) of leasing resources, servicing and pricing mobile users, in the context of 5G systems that facilitate the use of software-defined radio access network (SD-RAN) ... -
Spectrum Coordination for Disaggregated Ultra Dense Heterogeneous 5G Networks
(2019)Cloud-RAN paves the way for flexible network management and control in the upcoming 5G and beyond networks. The base station disaggregation in different functional elements facilitates the incorporation of heterogeneous ... -
Tile caching for scalable VR video streaming over 5G mobile networks
(2021)Currently, VR video delivery over 5G systems is still a very complicated endeavor. One of the major challenges for VR video streaming is the expectations for low latency that current mobile networks can hardly meet. Network ... -
Unlicensed Spectrum Forecasting: An Interference Umbrella Based on Channel Analysis and Machine Learning
(2022)In this work a novel framework for predicting future interference levels for IEEE 802.11 networks is developed and experimentally evaluated. At the heart of the framework lies a modelling mechanism which is able to estimate ...