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检索条件"任意字段=International Conference on IP Multimedia Subsystem Architecture and Applications"

共 839 条记录，以下是11-20 订阅

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Optimization and Design of Networking Based on IMS

Optimization and Design of Networking Based on IMS

引用

Electronic Information Engineering and Computer Science (EIECS), 2021 international conference on

作者： Chengjin Wang Wenhua Bai Shiwei Huo College of Information and Communication National University of Defense Technology Wuhan China

ISBN: (数字)9798331531409

ISBN: (纸本)9798331531416

With the development of Internet technology, the demand of interconnection between fixed and mobile networks and different heterogeneous networks is further enhanced. ip multimedia subsystem (IMS) is an important way to solve the convergence of mobile and fixed networks, and introduce the triple convergence of voice, data and video services. This paper summarizes and analyzes the development and research status of IMS networking, and then analyzes the basic theory and network architecture of IMS in detail. Finally, based on the practical application background requirements, from the intra-domain networking and cross-domain networking, the disaster recovery and backup optimization scheme is proposed. Combined with the specific IMS network construction scene, the IMS single communication station and multiple communication station network construction are designed and introduced in detail, which gives a typical practical application background presentation and sufficient theoretical guidance for IMS networking.

关键词： Network architecture Streaming media Market research Heterogeneous networks Internet ip networks Communication networks multimedia communication Optimization Convergence

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QoE-Driven multimedia Streaming Leveraging Distributed Network Function Virtualization at Edge 8

QoE-Driven Multimedia Streaming Leveraging Distributed Netwo...

引用

8th international conference on Information and Network Technologies, ICINT 2023

作者： Kalan, Reza Shokri Digiturk BeIN Media Group Istanbul Turkey

ISBN: (纸本)9798350301458

Driven by the limitation of legacy network communications, recent years have seen a paradigm shift in network architecture, from the conventional TCP/ip towards Software Defined Networking (SDN). The main feature of SDN is to give more flexibility to the network by pushing control from forwarding devices into scalable centralized orchestration. This paradigm enables using forwarding storage and processing capacity for caching content at the network level. The objective of this study is to address the Quality of Experience (QoE) problems in video applications. To this end, we propose a network-assisted QoE-aware bitrate adaptation algorithm that works in cooperation with MPEG-DASH's proposed SAND technology and virtualized in-network caching function (denotes vDANE). In the proposed framework, client quality adaptation can be assisted by vDANE according to network bandwidth and availability of the appropriate segment/bitrate stored in vDANEs hosted by OpenFlow switches. Simulation results indicate that the proposed method can improve QoE parameters compared with other solutions. © 2023 IEEE.

关键词： Video streaming

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Exploring VANETs and Their applications with Blockchain 8th

Exploring VANETs and Their Applications with Blockchain

引用

8th international conference on Information and Communication Technology for Competitive Strategies, ICTCS 2023

作者： Sowmya, K.S. Shivani, A. Charan, M. L. Shree Swaminathan, Swetha B.M.S College of Engineering Karnataka Bengaluru India

ISBN: (纸本)9789819994854

As the digitization of cities and the proliferation of automobiles continue, vehicular ad hoc networks (VANETs) have emerged as a prominent solution to enhance road safety and traffic management. VANETs enable vehicles to establish communication channels with each other (V2V) and with infrastructure nodes (V2I), facilitating real-time information exchange for applications like collision avoidance, traffic management, and multimedia delivery. This paper offers an in-depth analysis of popular VANET protocols, including 802.11p, WAVE ip, DSRC, and WSMP, to provide a comprehensive understanding of their functionalities within the VANET ecosystem. Through simulation studies involving simultaneous broadcast and unicast systems between nodes and roadside units (RSUs), as well as WSMP-based neighbor systems, we investigate their effectiveness in realistic scenarios. Ensuring the reliability and security of VANETs remains a substantial challenge. To address this, the paper explores the potential advantages of integrating VANETs with blockchain technology. By leveraging blockchain’s inherent immutability and decentralized architecture, VANETs can be fortified against malicious attacks and unauthorized access, thereby enhancing the overall system security. Furthermore, this paper investigates the vast potential of utilizing data obtained from VANETs. We examine various applications that can effectively leverage this data to make informed decisions and improve transportation systems. A noteworthy example involves the incorporation of machine learning models, where data from VANETs is processed through a blockchain network to obtain valuable predictions for actionable insights. This demonstrates how VANETs can contribute significantly to intelligent transportation systems and urban planning. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Vehicular ad hoc networks

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SDR 5G NSA Mobile Network and an IMS Core to provide Voice Over ip LTE service 11

SDR 5G NSA Mobile Network and an IMS Core to provide Voice O...

引用

11th IEEE-APS Topical conference on Antennas and Propagation in Wireless Communications (IEEE APWC) / 23rd international conference on Electromagnetics in Advanced applications (ICEAA)

作者： Abularach Arnez, Jussif J. Silva, Wederson Medeiros Gomes Do Reis, Renata K. Da Silva, Leandro Almeida Lima Damasceno, Maria G. SIDIA R&D Inst Manaus Amazonas Brazil

ISBN: (数字)9781665481137

ISBN: (纸本)9781665481137

The purpose of this work was to assess a real-time testbed scenario using the Software Defined Radio (SDR) technology and the USRP (Universal Software Radio Peripheral) device to provide Voice-over-LTE (VoLTE) call service and grant user internet connectivity in an initial 5G NSA (Non Stand Alone) deployment network. The implemented mobile network considers a 5G mobile network that is composed of both NSA 5G and IMS (ip multimedia subsystem) architectures cores. The deployment network considers a soft initial transition from 4G to 5G NSA. In addition, the contribution of this article is to achieve that each element from different architectures is able to communicate to each other and establish the bearer and stream for each ip service. Furthermore, the evaluation of jitter, throughput and RTT delay metrics are presented for a VoLTE call between two devices connected to the deployment SDR 5G NSA network.

关键词： NSA 5G VoLTE IMS SDR USRP

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Automation Testing with Appium Framework in ip multimedia subsystem

Automation Testing with Appium Framework in IP Multimedia Su...

引用

international conference on Information and Communication Technology Convergence (ICTC)

作者： Hieu Minh Tran Tuan Duc Ninh Thinh Duc Tran Vuong Van Ngo Linh Duc Nguyen Viettel High Tech Viettel Group Hanoi Vietnam

The ip multimedia subsystem (IMS) refers to the standard for a telecommunication system that controls multimedia services accessing different networks. Not only the IMS but other telecommunications networks are also required to operate continuously. In addition, any system error can lead to massive losses in revenue and productivity. Therefore, testing and quality control task has an important role in telecommunications networks, and it requires an efficient method to detect any inherent errors and failures. To facilitate the testing process, a solution using the test automation tool Appium is proposed. The Appium framework is mainly used to validate mobile browsers and mobile applications with UI. If the IMS can be implemented with the Appium framework, the burdensome testing tasks can be eased. Therefore, we developed an automated model in which the Appium framework can help in testing functions of the IMS. Our model contains some new features added to the basic function of the framework and these features are designed and developed specially for testing the IMS services. This proposed solution not only reduces the time and labor in testing but also can be applied to other systems that are related to mobile phone services.

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Content Poisoning Attacks in Named Data Networks: Detection and Mitigation Approaches

Content Poisoning Attacks in Named Data Networks: Detection ...

引用

Electronics, Computing, Communication and Control Technology (ICECCC), international conference on

作者： Annapurna P Patil Lalitha Chinmayee H M Bharadwaj Nagendiran Department of ISE Dayanand Sagar College of Engineering Affiliated to VTU Bengaluru INDIA Department of CSE Ramaiah Institute of Technology Affiliated to VTU Bengaluru INDIA Ramaiah Pre-University College Bengaluru INDIA

ISBN: (数字)9798350371802

ISBN: (纸本)9798350371819

With the increase in content-based communication in applications such as the web, multimedia streaming, social media, Internet of things etc., the content-based communication paradigm, ICN in general and NDN architecture in particular, is becoming popular. Although NDN has proved to be a potential replacement for ip host-based Internet, inherent security threats such as Content Poisoning Attacks (CPAs) pose a severe threat to communication. To tackle the issue, the research community has been discussing detection and mitigation methods of various scales. This paper is an attempt to bring out the state-of-the-art methods in CPA detection and mitigation and the analysis of the same concerning its overhead, latency, resiliency to malicious entities etc. The approach discussed in this work provides a better insight into the robust requirements of CPA detection and mitigation methods in the future.

关键词： Social networking (online) Prevention and mitigation Computer architecture Streaming media Service-oriented architecture Security multimedia communication

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Analysis of inter-Mean-Opinion-Score (iMOS) and QoS metrics for 5G Voice over LTE (VoLTE) and Voice over New Radio (VoNR) services over ip-multimedia-subsystem (IMS) in 5G mobile networks

Analysis of inter-Mean-Opinion-Score (iMOS) and QoS metrics ...

引用

international conference on Advanced Communication Technologies and Networking (CommNet)

作者： Jussif J. Abularach Arnez Caio B. Bezerra De Souza Sidia Institute of Science and Technology Manaus Brazil

At present, mobile network operators (MNO) need to improve Quality of Service (QoS) and Quality of Experience (QoE) of voice and video services to compete with over-the-top (OTT) Voice over ip (Voip) applications. For an MNO to be able to provide HD voice and video calls, is essential to use a dedicated ip multimedia subsystem (IMS) network. The contribution of this paper is the analysis of measured data collected from real-time testbeds related to the fifth generation (5G) mobile network and then, computing the inter-Mean-Opinion-Score (iMOS) and QoS metrics for both 5G Voice over LTE (VoLTE) and Voice over New Radio (VoNR) services over IMS. Thus, there are evaluated QoS metrics throughout the communication stages among the User Equipment (UE) for the 5G Stand-Alone (SA) and 5G Non-Stand-Alone (NSA) networks. The obtained results show how QoS metrics like jitter and delay impact the iMOS results. The obtained results satisfy the requirement for VoNR and 5G VoLTE which show iMOS values greater than 4 out of 5 where 5 represents the best quality. The results were obtained in a controlled environment laboratory, using specialized radio test stations with non-interference outdoor propagation signals and lower path loss since can be used as a reference for upcoming research.

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Analysis Of Multi-Service Networks For The Provision Of multimedia Services Based On IMS

Analysis Of Multi-Service Networks For The Provision Of Mult...

引用

international conference on Information Science and Communications Technologies (ICISCT)

作者： Khabibullo Nosirov Aziz Ataniyazov Mokhirjon Rikhsivoev Mukhriddin Arabboev Shohruh Begmatov Department of Television and Radio Broadcasting Systems Tashkent University of Information Technologies named after Muhammad al-Khwarizmi Tashkent Uzbekistan UNICON.UZ State Unitary Enterprise Scientific-Engineering And Marketing Research Center Tashkent Uzbekistan

Nowadays, information technology and communication systems are evolving, and there is a growing demand for multiservice network analysis processes to provide multimedia services through IMS. ip multimedia subsystem (IMS) is a next-generation standard-based network architecture designed for telecommunications operators who want to deliver cutting-edge services over mobile and fixed networks. IMS is a service-oriented architectural framework that aims to provide current and future Internet services to fixed and mobile end users on an all-ip multi-access platform. The 3rd Generation Partnership Project (3GPP) and 3GPP2 developed IMS to provide service delivery platforms for a converged communication model [1].

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ip Network Multicast Technology and Application Simulation

IP Network Multicast Technology and Application Simulation

引用

Wireless Communications and applications (ICWCAPP), international conference on

作者： Wenhua Wu Wei Cao Ting Yan Zhiguo Wang Information and Communication College National University of Defense Technology Wuhan China

ip network multicast technology effectively solves the problems of unicast and broadcast in point-to-multipoint applications, saves network bandwidth and reduces network load, and is widely used in multimedia conferences, video-ondemand, and ipTV fields. This paper analyzes the advantages and disadvantages of unicast, broadcast and multicast, introduces the basic architecture, service model and ip address mapping relationship of multicast, summarizes the operation mechanism of group membership management, compares and analyzes the working modes of the two multicast routing protocols, and finally Based on eNSP, the enterprise network multicast video stream is simulated and realized, which provides a good reference for the research and application of multicast technology.

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QoE-Driven multimedia Streaming Leveraging Distributed Network Function Virtualization at Edge

QoE-Driven Multimedia Streaming Leveraging Distributed Netwo...

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Information and Network Technologies (ICINT), international conference on

作者： Reza Shokri Kalan Digiturk beIN MEDIA GROUP Istanbul Turkiye

Driven by the limitation of legacy network communications, recent years have seen a paradigm shift in network architecture, from the conventional TCP/ip towards Software Defined Networking (SDN). The main feature of SDN is to give more flexibility to the network by pushing control from forwarding devices into scalable centralized orchestration. This paradigm enables using forwarding storage and processing capacity for caching content at the network level. The objective of this study is to address the Quality of Experience (QoE) problems in video applications. To this end, we propose a network-assisted QoE-aware bitrate adaptation algorithm that works in cooperation with MPEG-DASH’s proposed SAND technology and virtualized in-network caching function (denotes vDANE). In the proposed framework, client quality adaptation can be assisted by vDANE according to network bandwidth and availability of the appropriate segment/bitrate stored in vDANEs hosted by OpenFlow switches. Simulation results indicate that the proposed method can improve QoE parameters compared with other solutions.

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