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Quality of Service in Future Network

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".

Deadline for manuscript submissions: closed (25 February 2023) | Viewed by 1427

Special Issue Editor


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Guest Editor
Faculty of Electronics and Informatics Technologies, Warsaw University of Technology, Warsaw, Poland
Interests: cybersecurity (risk assessment, security enforcement, vulnerabilities management); IP technologies (radio: 5G and 6G, core: network services chain, SDN, AI); applications (DLT and blockchain, Internet of Things, smart cities, multimedia) for the future internet
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Special Issue Information

Dear Colleagues,

Future networks will involve the full integration of multi-technology access networks with one core network and one operations and management system. These networks will have a greater capacity to access as well as improve important transmission parameters, such as reducing latency or increasing throughput, which are crucial for the effective implementation of new businesses. The integrated, flexible and scalable network will require an enhanced quality of service not only regarding the network parameters but also for the network operator and end user services. New perspectives on transmission quality have brought new terms to light, including: Grade of Service (GoS), Quality of Service (QoS) and the perceived Quality of Experience (QoE).

New definitions transmission quality requires research on network measurements and network performance. Topics of interest include:

  • Key performance indicators for the quality of transmission in future networks;
  • Measurement methodologies for the new quality of transmission;
  • The network operator’s perception of the quality: parameters and mechanisms of transmission efficient;
  • The end user’s perception of the quality: parameters and mechanisms of the multimedia experience;
  • Operations and management for the improvement of the quality of transmission;
  • Mechanisms and protocols for improvement of the quality of the transmission;
  • Overlay mechanisms for multimedia quality of experience;
  • Quality requirements for critical missions in large coverage networks.

Dr. Jordi Mongay Batalla
Guest Editor

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Published Papers (1 paper)

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Research

15 pages, 1052 KiB  
Article
Wide-Sense Nonblocking Converting-Converting Networks with Multirate Connections
by Wojciech Kabaciński and Remigiusz Rajewski
Sensors 2022, 22(16), 6217; https://doi.org/10.3390/s22166217 - 18 Aug 2022
Cited by 2 | Viewed by 959
Abstract
In this paper, we consider a two-stage converting-converting (CC) switching network. This structure can be used, for instance, in switches of elastic optical networks (EONs) or in time-division switches. We propose a new routing algorithm based on fixed slot assignment in interstage links. [...] Read more.
In this paper, we consider a two-stage converting-converting (CC) switching network. This structure can be used, for instance, in switches of elastic optical networks (EONs) or in time-division switches. We propose a new routing algorithm based on fixed slot assignment in interstage links. This algorithm, called Fixed Input–interstage Slot Assignment (FISA), reduces the switching network complexity compared to the rearrangeable (RNB) switching networks of the same structure. We derive the wide-sense nonblocking (WNB) conditions for the switching network controlled by this algorithm. The obtained WNB conditions are the same as those of the RNB, but the switching network does not need troublesome and time-consuming rearrangements. When implementing the proposed switching network structure, we can also reduce the number of tunable full-range spectrum converters and replace part of them with fixed spectrum converters, or even use space switches in the first stage. This is especially important when this architecture is applied in EONs. Full article
(This article belongs to the Special Issue Quality of Service in Future Network)
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