scholarly journals Video Packet Distribution Scheme for Multimedia Streaming Services in VANETs

Sensors ◽  
2021 ◽  
Vol 21 (21) ◽  
pp. 7368
Author(s):  
Yongje Shin ◽  
Hyunseok Choi ◽  
Youngju Nam ◽  
Euisin Lee
Keyword(s):  
Video Streaming ◽  
Streaming Data ◽  
Data Delivery ◽  
High Quality ◽  
Video Packet ◽  
Distribution Scheme ◽  
Quality Video ◽  
Streaming Services ◽  
High Quality Video

By leveraging the development of mobile communication technologies and due to the increased capabilities of mobile devices, mobile multimedia services have gained prominence for supporting high-quality video streaming services. In vehicular ad-hoc networks (VANETs), high-quality video streaming services are focused on providing safety and infotainment applications to vehicles on the roads. Video streaming data require elastic and continuous video packet distributions to vehicles to present interactive real-time views of meaningful scenarios on the road. However, the high mobility of vehicles is one of the fundamental and important challenging issues for video streaming services in VANETs. Nevertheless, previous studies neither dealt with suitable data caching for supporting the mobility of vehicles nor provided appropriate seamless packet forwarding for ensuring the quality of service (QoS) and quality of experience (QoE) of real-time video streaming services. To address this problem, this paper proposes a video packet distribution scheme named Clone, which integrates vehicle-to-vehicle and vehicle-to-infrastructure communications to disseminate video packets for video streaming services in VANETs. First, an indicator called current network quality information (CNQI) is defined to measure the feature of data forwarding of each node to its neighbor nodes in terms of data delivery ratio and delay. Based on the CNQI value of each node and the trajectory of the destination vehicle, access points called clones are selected to cache video data packets from data sources. Subsequently, packet distribution optimization is conducted to determine the number of video packets to cache in each clone. Finally, data delivery synchronization is established to support seamless streaming data delivery from a clone to the destination vehicle. The experimental results show that the proposed scheme achieves high-quality video streaming services in terms of QoS and QoE compared with existing schemes.

scholarly journals Enhancing Mobile Military Surveillance Based on Video Streaming by Employing Software Defined Networks

2018 ◽  
Vol 2018 ◽  
pp. 1-12 ◽  
Author(s):  
Iulisloi Zacarias ◽  
Janaína Schwarzrock ◽  
Luciano P. Gaspary ◽  
Andersonn Kohl ◽  
Ricardo Q. A. Fernandes ◽  
...  
Keyword(s):  
Video Streaming ◽  
Situation Awareness ◽  
Mobile Networks ◽  
Image Transmission ◽  
Surveillance Systems ◽  
High Quality ◽  
Quality Video ◽  
Military Systems ◽  
Streaming Service ◽  
High Quality Video

Situation awareness in surveillance systems benefits from high-quality video streaming service. This is even more important considering military systems, in which delays in image transmission may have a significant impact on the decision-making process. However, in order to deliver high-quality video streaming service, the required network infrastructure may be prohibitively complex, or even completely impossible to deploy, if mobile data providers are considered. Moreover, the demand for high network throughput poses extra requirements on the network. Considering this context, this paper addresses the problem of highly mobile networks composed of unmanned aerial vehicles (UAVs) as data providers of a military surveillance system. The proposed approach to tackle the problem is based on a Software Defined Networking (SDN) approach aiming at providing the best routes to deliver the data, enhancing the end-user quality of experience. An extensive experimental campaign was performed by means of simulations and the acquired results provide solid evidence of the usefulness of this proposal.

scholarly journals A method for reducing information redundancy of digital images for cloud storage

Connectivity ◽  
2020 ◽  
Vol 148 (6) ◽  
Author(s):  
Yu. I. Katkov ◽  
◽  
O. S. Zvenigorodsky ◽  
O. V. Zinchenko ◽  
V. V. Onyshchenko ◽  
...  
Keyword(s):  
Image Compression ◽  
Video Compression ◽  
Cloud Storage ◽  
Video Data ◽  
Information Redundancy ◽  
High Quality ◽  
Video Information ◽  
Quality Video ◽  
High Quality Video

The article is devoted to the topical issue of finding new effective and improving existing widespread compression methods in order to reduce computational complexity and improve the quality of image-renewable image compression images, is important for the introduction of cloud technologies. The article presents a problem To increase the efficiency of cloud storage, it is necessary to determine methods for reducing the information redundancy of digital images by fractal compression of video content, to make recommendations on the possibilities of applying these methods to solve various practical problems. The necessity of storing high-quality video information in new HDTV formats 2k, 4k, 8k in cloud storage to meet the existing needs of users has been substantiated. It is shown that when processing and transmitting high quality video information there is a problem of reducing the redundancy of video data (image compression) provided that the desired image quality is preserved, restored by the user. It has been shown that in cloud storage the emergence of such a problem is historically due to the contradiction between consumer requirements for image quality and the necessary volumes and ways to reduce redundancy of video data, which are transmitted over communication channels and processed in data center servers. The solution to this problem is traditionally rooted in the search for effective technologies for compressing, archiving and compressing video information. An analysis of video compression methods and digital video compression technology has been performed, which reduces the amount of data used to represent the video stream. Approaches to image compression in cloud storage under conditions of preservation or a slight reduction in the amount of data that provide the user with the specified quality of the restored image are shown. Classification of special compression methods without loss and with information loss is provided. Based on the analysis, it is concluded that it is advisable to use special methods of compression with loss of information to store high quality video information in the new formats HDTV 2k, 4k, 8k in cloud storage. The application of video image processing and their encoding and compression on the basis of fractal image compression is substantiated. Recommendations for the implementation of these methods are given.

Enhanced TFRC for high quality video streaming over high bandwidth delay product networks

2014 ◽  
Vol 16 (3) ◽  
pp. 344-354 ◽  
Author(s):  
Sunghee Lee ◽  
Hyunsuk Roh ◽  
Hyunwoo Lee ◽  
Kwangsue Chung
Keyword(s):  
Video Streaming ◽  
High Quality ◽  
Quality Video ◽  
High Bandwidth ◽  
High Quality Video

MobiUP: An Upsampling-Based System Architecture for High-Quality Video Streaming on Mobile Devices

2011 ◽  
Vol 13 (5) ◽  
pp. 1077-1091 ◽  
Author(s):  
Hong-Han Shuai ◽  
De-Nian Yang ◽  
Wen-Huang Cheng ◽  
Ming-Syan Chen
Keyword(s):  
Mobile Devices ◽  
Video Streaming ◽  
System Architecture ◽  
High Quality ◽  
Quality Video ◽  
High Quality Video

High-quality video streaming system for plasma diagnostics using super SINET

2003 ◽  
Vol 74 (3) ◽  
pp. 1766-1769
Author(s):  
M. Emoto ◽  
K. Watanabe ◽  
S. Masuzaki ◽  
N. Ohno ◽  
H. Okada
Keyword(s):  
Video Streaming ◽  
Plasma Diagnostics ◽  
High Quality ◽  
Quality Video ◽  
High Quality Video

scholarly journals Performance Evaluation of Triple Play Services Delivery with E2E QoS Provisioning

2010 ◽  
Vol 2010 ◽  
pp. 1-14
Author(s):  
Nikolaos Zotos ◽  
Evangelos Pallis ◽  
Anastasios Kourtis
Keyword(s):  
Performance Evaluation ◽  
Video Streaming ◽  
Access Network ◽  
Core Network ◽  
Qos Provisioning ◽  
High Quality ◽  
The Core ◽  
Services Delivery ◽  
Quality Video ◽  
High Quality Video

The creation and wide use of new high quality demanding services (VoIP, High Quality Video Streaming) and the delivery of them over already saturated core and access network infrastructures have created the necessity for E2E QoS provisioning. Network Providers use at their infrastructures several kinds of mechanisms and techniques for providing QoS. Most known and widely used technologies are MPLS and DiffServ. The IEEE 802.16-2004 standard (WiMAX) refers to a promising wireless broadband technology with enhanced QoS support algorithms. This document presents an experimental network infrastructure providing E2E QoS, using a combination of MPLS and DiffServ technologies in the core network and WiMAX technology as the wireless access medium for high priority services (VoIP, High Quality Video Streaming) transmission. The main scope is to map the traffic prioritization and classification attributes of the core network to the access network in a way which does not affect the E2E QoS provisioning. The performance evaluation will be done by introducing different kinds of traffic scenarios in a saturated and overloaded network environment. The evaluation will prove that this combination made feasible the E2E QoS provisioning while keeping the initial constrains as well as the services delivered over a wireless network.

Sign in / Sign up

Export Citation Format

Share Document