scholarly journals Handoff in Various Mobile Network Technologies

2019 ◽  
Vol 7 (2) ◽  
pp. 28-32
Author(s):  
Ekaterina Otsetova-Dudin ◽  
Keyword(s):  
Quality Of Service ◽  
Cellular Networks ◽  
Mobile Network ◽  
Spectrum Utilization ◽  
High Definition ◽  
Mobile Cellular ◽  
Fifth Generation ◽  
Transmission Reliability ◽  
Network Technologies

Mobile cellular networks are an indispensable part of modern life, where the need for customer satisfaction in the use of many different services by consumers is constantly increasing. The requirements for higher transmission speed, lossless transmission, reliability, efficiency, low latency, mass connectivity, guarantee of high Quality of Service criteria are repeatedly increasing. All this requires the continuous development of the used technologies as well as the introduction of new generations of networks. Handover mechanism is extremely important in cellular network because of the cellular architecture employed to maximize spectrum utilization. To ensure the quality of service in wireless cellular networks, the report proposes the use of a Horizontal Handoff Priority Scheme. Simulation experiments have been carried out, the probability parameters of the scheme have been evaluated and the probabilities of losses occurrence have been classified as rare events. The proposed material are various algorithms and techniques for the implementation of Vertical and Horizontal Handoff in 3G, 4G and fifth-generation networks to provide the required QoS for mobile users with Ultra-High Definition.

scholarly journals An Improved Handover Algorithm for LTE-A Femtocell Network

2020 ◽  
pp. 558-565
Author(s):  
Olusegun O. Omitola ◽  
◽  
Viranjay M. Srivastava
Keyword(s):  
Quality Of Service ◽  
Urban Area ◽  
Cellular Networks ◽  
Low Cost ◽  
Mobile Cellular ◽  
Femtocell Network ◽  
Mobile Cellular Networks ◽  
And Performance ◽  
Handover Algorithm

Femtocells have been regarded as low-power and low cost devices for enhancing the capacity and performance of mobile cellular networks. Apart from forming a two-tier network with the macrocell to offload traffic from the macrocell, femtocells can be deployed in an urban area to achieve more data rate with better Quality of Service (QoS). However, this is at the expense of increased frequency of the handover of the UEs from one femtocell to another femtocell. Selecting a particular femtocell for handover is a serious challenge in a femtocell/macrocell deployment environment. Similarly, managing the resulting handovers can be extremely difficult. Thus, this study presents an algorithm to improve handover in LTE-A femtocell network. The complexity of the algorithm was determined and the performance by comparing it with existing algorithm in terms of number of handovers and the ratio of target femtocells. The results have shown that the proposed algorithm outperformed the existing algorithm.

PhD thesis: Quality of experience characterization and provisioning in mobile cellular networks

2019 ◽  
Vol 11 (1) ◽  
pp. 1-1
Author(s):  
Eirini Liotou
Keyword(s):  
Quality Of Service ◽  
Cellular Networks ◽  
User Experience ◽  
Quality Of Experience ◽  
Specific Service ◽  
Mobile Cellular ◽  
Mobile Cellular Networks ◽  
Requirements Quality ◽  
Phd Thesis

Traditionally, previous generations of mobile cellular networks have been designed with Quality of Service (QoS) criteria in mind, so that they manage to meet specific service requirements. Quality of Experience (QoE) has, however, recently emerged as a concept, disrupting the design of future network generations by giving clear emphasis on the actually achieved user experience.

scholarly journals Image-Based Automatic Watermeter Reading under Challenging Environments

Sensors ◽  
2021 ◽  
Vol 21 (2) ◽  
pp. 434
Author(s):  
Qingqi Hong ◽  
Yiwei Ding ◽  
Jinpeng Lin ◽  
Meihong Wang ◽  
Qingyang Wei ◽  
...  
Keyword(s):  
Smart Cities ◽  
Rapid Development ◽  
Mobile Network ◽  
Spatial Layout ◽  
Single Image ◽  
Automatic Instrument ◽  
Intelligent Sensors ◽  
Fifth Generation ◽  
Instrument Reading ◽  
Network Technologies

With the rapid development of artificial intelligence and fifth-generation mobile network technologies, automatic instrument reading has become an increasingly important topic for intelligent sensors in smart cities. We propose a full pipeline to automatically read watermeters based on a single image, using deep learning methods to provide new technical support for an intelligent water meter reading. To handle the various challenging environments where watermeters reside, our pipeline disentangled the task into individual subtasks based on the structures of typical watermeters. These subtasks include component localization, orientation alignment, spatial layout guidance reading, and regression-based pointer reading. The devised algorithms for orientation alignment and spatial layout guidance are tailored to improve the robustness of our neural network. We also collect images of watermeters in real scenes and build a dataset for training and evaluation. Experimental results demonstrate the effectiveness of the proposed method even under challenging environments with varying lighting, occlusions, and different orientations. Thanks to the lightweight algorithms adopted in our pipeline, the system can be easily deployed and fully automated.

Voice and Video over Gigabit Ethernet and ATM Backbone Networks

2014 ◽  
pp. 174-184
Author(s):  
Nurul I. Sarkar ◽  
Yash Dole
Keyword(s):  
Quality Of Service ◽  
Network Performance ◽  
Performance Metrics ◽  
Asynchronous Transfer Mode ◽  
Atm Networks ◽  
Gigabit Ethernet ◽  
Corporate Networks ◽  
Backbone Networks ◽  
Network Technologies

This chapter aims to report on the performance of voice and video traffic over two popular backbone network technologies, namely Gigabit Ethernet (GbE) and Asynchronous Transfer Mode (ATM). ATM networks are being used by many universities and organizations for their unique characteristics such as scalability and guaranteed Quality of Service (QoS), especially for voice and video applications. Gigabit Ethernet matches ATM functionality by providing higher bandwidth at much lower cost, less complexity, and easier integration into the existing Ethernet technologies. It is useful to be able to compare these two technologies against various network performance metrics to find out which technology performs better for transporting voice and video conferencing. This chapter provides an in-depth performance analysis and comparison of GbE and ATM networks by extensive OPNET-based simulation. The authors measure the Quality of Service (QoS) parameters, such as voice and video throughput, end-to-end delay, and voice jitter. The analysis and simulation results reported in this chapter provide some insights into the performance of GbE and ATM backbone networks. This chapter may help network researchers and engineers in selecting the best technology for the deployment of backbone campus and corporate networks.

Quality of Service and Differentiated Service in Cellular Networks

2005 ◽  
Vol 5 (9) ◽  
pp. 1523-1527 ◽  
Author(s):  
Mohammod Shamim Hos ◽  
M. Anwar Hossain .
Keyword(s):  
Quality Of Service ◽  
Cellular Networks ◽  
Differentiated Service

scholarly journals A Multi-Agent Gamification System for Managing Smart Homes

Sensors ◽  
2019 ◽  
Vol 19 (5) ◽  
pp. 1249 ◽  
Author(s):  
Alicja Winnicka ◽  
Karolina Kęsik ◽  
Dawid Połap ◽  
Marcin Woźniak ◽  
Zbigniew Marszałek
Keyword(s):  
Rapid Development ◽  
Mobile Network ◽  
Smart Homes ◽  
Entire Solution ◽  
Additional Advantage ◽  
Fifth Generation ◽  
Multi Agent ◽  
The Individual ◽  
The Internet Of Things

Rapid development and conducted experiments in the field of the introduction the fifth generation of the mobile network standard allow for the flourishing of the Internet of Things. This is one of the most important reasons to design and test systems that can be implemented to increase the quality of our lives. In this paper, we propose a system model for managing tasks in smart homes using multi-agent solutions. The proposed solution organizes work and distributes tasks to individual family members. An additional advantage is the introduction of gamification, not only between household members, but also between families. The solution was tested to simulate the entire solution as well as the individual components that make up the system. The proposal is described with regard to the possibility of implementing smart homes in future projects.

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