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Description: SIP称为会话发起协议（Session Initiation Protocol)。SIP是Internet工程任务组（IETF）提出的建议中的一项协议，其目的是为了替代H.323的部分协议，主要是考虑到在下一代网络（NGN）中，由于IP产品和IP网关将在网络中得到大规模使用和集成，使得端到端都可以采用IP以实现纯IP的业务应用；而基于纯IP的SIP借鉴了HTTP和SMTP，结构简单并具有可扩充性和可扩展性。此外，SIP还提供良好的QoS支持。对于NGN在IP网络上实现VOIP和多媒体通信来讲，SIP在全面满足NGN特性要求的应用上具有独特的优势，必将成为下一代网络VOIP的重要解决方案。
-called SIP Session Initiation Protocol (Session Initiation Protocol l). SIP is the Internet Engineering Task Force (IETF), the recommendations of an agreement, its purpose is to replace the H.323 part of the agreement is mainly on account of the next generation network (NGN), As IP and IP gateways in the network will be large-scale use and integration, making end-to-end IP can be applied to achieve a pure IP business applications; For pure IP SIP from the HTTP and SMTP, simple structure and is designed to be scalable and scalability. In addition, the SIP also provides good QoS support. IP NGN for the realization of the VoIP network and multimedia communications speaking, SIP to meet the full requirements of the characteristics of NGN application has unique advantages, the next generation w
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Author: Jee |
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Description: 移动ip书籍，很有用。
Third Generation (3G) mobile offers access to broadband multimedia services - and in the future most of these, even voice and video, will be IP-based. However 3G networks are not based on IP technologies, rather they are an evolution from existing 2G networks. Much work needs to be done to IP QoS and mobility protocols and architectures for them to be able to provide the functionality 3G requires.
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Author: zhanglin |
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Description: 太原理工大学硕 士 学 位 论 文 摘 要 随着网络和多媒体技术的不断发展，当前可以提供实时数 据特别是多媒体数据传输服务的分布式多媒体网络已经成为网 络发展的一个重要方向。为了实现这一目标，如何在现有的 Internet 中引入服务质量（QoS）就成为网络服务中的一个重要 课题。-Taiyuan University of Technology with a master's degree thesis Abstract network and multimedia technology continues to develop, the current can provide real-time data, especially multimedia data transmission services distributed multimedia network network development has become an important direction. To achieve this goal, how the existing Internet introduced Quality of Service (QoS) network services as an important task.
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Author: 西风飘雪 |
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Description: 关于QoS控制的一个经典教案，学习流媒体控制本质原理的可以- a classical teaching plan about Quality of Service
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Author: 王斌 |
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Description: 太原理工大学硕 士 学 位 论 文 摘 要 随着网络和多媒体技术的不断发展，当前可以提供实时数 据特别是多媒体数据传输服务的分布式多媒体网络已经成为网 络发展的一个重要方向。为了实现这一目标，如何在现有的 Internet 中引入服务质量（QoS）就成为网络服务中的一个重要 课题。-Taiyuan University of Technology with a master's degree thesis Abstract network and multimedia technology continues to develop, the current can provide real-time data, especially multimedia data transmission services distributed multimedia network network development has become an important direction. To achieve this goal, how the existing Internet introduced Quality of Service (QoS) network services as an important task.
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Author: 西风飘雪 |
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Description: 关于QoS控制的一个经典教案，学习流媒体控制本质原理的可以- a classical teaching plan about Quality of Service
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Author: 王斌 |
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Description: SIP称为会话发起协议（Session Initiation Protocol)。SIP是Internet工程任务组（IETF）提出的建议中的一项协议，其目的是为了替代H.323的部分协议，主要是考虑到在下一代网络（NGN）中，由于IP产品和IP网关将在网络中得到大规模使用和集成，使得端到端都可以采用IP以实现纯IP的业务应用；而基于纯IP的SIP借鉴了HTTP和SMTP，结构简单并具有可扩充性和可扩展性。此外，SIP还提供良好的QoS支持。对于NGN在IP网络上实现VOIP和多媒体通信来讲，SIP在全面满足NGN特性要求的应用上具有独特的优势，必将成为下一代网络VOIP的重要解决方案。
-called SIP Session Initiation Protocol (Session Initiation Protocol l). SIP is the Internet Engineering Task Force (IETF), the recommendations of an agreement, its purpose is to replace the H.323 part of the agreement is mainly on account of the next generation network (NGN), As IP and IP gateways in the network will be large-scale use and integration, making end-to-end IP can be applied to achieve a pure IP business applications; For pure IP SIP from the HTTP and SMTP, simple structure and is designed to be scalable and scalability. In addition, the SIP also provides good QoS support. IP NGN for the realization of the VoIP network and multimedia communications speaking, SIP to meet the full requirements of the characteristics of NGN application has unique advantages, the next generation w
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Author: Jee |
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Description: 移动ip书籍，很有用。
Third Generation (3G) mobile offers access to broadband multimedia services - and in the future most of these, even voice and video, will be IP-based. However 3G networks are not based on IP technologies, rather they are an evolution from existing 2G networks. Much work needs to be done to IP QoS and mobility protocols and architectures for them to be able to provide the functionality 3G requires.
-Mobile ip books, very useful. Third Generation (3G) mobile offers access to broadband multimedia services- and in the future most of these, even voice and video, will be IP-based. However 3G networks are not based on IP technologies, rather they are an evolution from existing 2G networks. Much work needs to be done to IP QoS and mobility protocols and architectures for them to be able to provide the functionality 3G requires.
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Author: zhanglin |
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Description: RTP/RTCP 协议介绍
Real-Time Transport Control Protocol（实时传输控制协议）
监控RTP的服务质量和网络拥塞程度
收集在一个RTP会话中参与者的状态
跟踪RTP源（同步音频视频流，SSRC有可能变化）
rtp
Real-Time Transport Protocol（实时传输协议）
RTP的设计主要是为了多媒体多方会议的需要
提供端对端的实时数据传输服务，RTP使用的传输层协议一般为UDP。
不提供机制确保数据的间隔发送
不提供机制保证QoS-RTP/RTCP protocol Introduce Real-Time Transport Control Protocol (Real-time Transport Control Protocol) RTP monitoring service quality and network congestion degree of collection in a RTP session participants to track the status of RTP sources (synchronous audio and video streaming, SSRC may change) rtpReal-Time Transport Protocol (RTP) RTP is mainly designed for multimedia multi-session end-to-end need to provide real-time data transmission services, RTP Transport Protocol for use in general for UDP. Do not provide mechanisms to ensure that the interval to send data do not provide mechanisms to guarantee the QoS
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Author: lxrlxr2002 |
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Description: DMIF 即多媒体传送整体框架，它主要解决交互网络中、广播环境下以及磁盘应用中多媒体应用的操作问题。 通过传输多路合成比特信息来建立客户端和服务器端的交互和传输。 通过DMIF，MPEG4可以建立起具有特殊品质服务（QoS）的信道和面向每个基本流的带宽。-DMIF that the overall framework of multimedia transmission, it mainly to solve the interactive network, broadcasting environment, as well as multimedia applications disk applications of operational problems. Synthesis of multi-way through the transmission of information bits to create client and server interaction and transmission. Through DMIF, MPEG4 can establish a special quality of service (QoS)-oriented channel bandwidth for each elementary stream.
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Author: wusanyou |
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Description: H.323最新完全版的源代码,包括例程说明.
为了能在不保证QoS的分组交换网络上展开多媒体会议，由ITU的第15研究组SG-15于1996年通过H.323建议的第一版，并在1998年提出了H.323的第二版。H.323制定了无QoS（服务质量）保证的分组网络PBN（packet Based Networks）上的多媒体通信系统标准，这些分组网络主宰了当今的桌面网络系统，包括基于TCP/IP、IPX分组交换的以太网、快速以太网、令牌网、FDDI技术。因此，H.323标准为LAN、WAN、Internet、因特网上的多媒体通信应用提供了技术基础和保障。-H.323 completely up-to-date version of the source code, including the routine description. To be able to not guarantee QoS in the packet switching network, multimedia conferencing launched by ITU Study Group 15 of the first SG-15 in 1996 proposed the adoption of H.323 The first edition, and in 1998 the second edition of the H.323. H.323 developed a non-QoS (quality of service) guarantees packet networks PBN (packet Based Networks) on the multimedia communication system standards, these packet networks is the key to today s desktop systems, including those based on TCP/IP, IPX Packet exchange of Ethernet, Fast Ethernet, Token Ring, FDDI technology. Therefore, H.323 standard for LAN, WAN, Internet, Internet-based multimedia communications applications to provide the technical foundation and protection.
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Author: 刘火明 |
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Description: —One of themajor challenges in supportingmultimedia
services over Internet protocol (IP)-based code-division mul-
tiple-access (CDMA) wireless networks is the quality-of-service
(QoS) provisioning with effi cient resource utilization. Compared
with the circuit-switched voice service in the second-generation
CDMA systems (i.e., IS-95), heterogeneous multimedia applica-
tions in future IP-based CDMA networks require more complex
QoS provisioning and more sophisticated management of the
scarce radio resources. This paper provides an overview of the
CDMA-related QoS provisioning techniques in the avenues of
packet scheduling, power allocation, and network coordination,
summarizes state-of-the-art research results, and identifi es further
research issues.
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Author: Duc Long |
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Description: 通信技术发展要求蜂窝运营商必须能够支持新的3G技术，在一个充满竞争的市场机制下以合理的价格提供基于多媒体业务的无线Internet能力，本书以此为蓝图主要从3部分进行阐述：
·集中阐述了GSM系统如何完全无缝演化为支持UMTS业务的GERAN。部分内容还包括演化过程中涉及的功能、结构组成、系统统一以及3G网络提出的各种UMTS QoS要求等。
·从仿真和实际系统测试的角度阐述各种先进技术的性能。本部分全面讨论了GSM、GPRS、EDGE、AMR和支持3G业务的GERAN等系统工技术的特征和性能。同时也介绍了无线接入网络的自动规划、优化和运营方法和技术。阐述了跳频技术的自动规划和无线资源管理各参数的优化等，另外对系统出现故障或者崩溃的各种原因进行了分析。
·讨论了各种不同的3G无线技术，同时说明了GERAN在这些技术中所处的地位。分析了各种演化策略，描绘了3G多无线接入网络的场景，阐述了内在的GSM和WCDMA系统无缝融合技术。 -Communication technology requirements of the development of cellular operators must be able to support the new 3G technology, in a competitive market mechanism to provide a reasonable price of wireless multimedia services based on Internet capabilities, this book as a blueprint for the major part of from 3:
Focused on how the system completely seamless GSM Evolution UMTS business to support GERAN. Part of the contents of the course also includes the evolution of function, structure, systems, and unification of the various 3G networks UMTS QoS requirements.
Simulation and from the perspective of the actual system testing on the performance of various advanced technologies. A comprehensive discussion of this part of the GSM, GPRS, EDGE, AMR and support for 3G systems such as GERAN business techniques and performance characteristics. At the same time, also introduced an automatic wireless access network planning, optimization and operation of methods and techniques. On the automatic fre
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Author: 李东 |
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Description: MPEG4的多媒体在网络传输中，为了提高网络的可靠性（QoS）等，需要传输的MPEG按照传输的内容分类，本为给出一种有效的分类方式-MPEG4 multimedia in network traffic, in order to improve network reliability (QoS) and so on, need to transfer in accordance with the MPEG transport the contents of the classification, this classification is given in an effective manner
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Author: 龙珠 |
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Description: 关于多媒体无线网络的技术标准及QoS的电子书-Multimedia-Wireless-Networks-Technologies-Standards-and-QoS
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Author: gxj |
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Description: What is an all-IP network? What difference will IP networking make to 3G services?
Third Generation (3G) mobile offers access to broadband multimedia services - and in the future most of these, even voice and video, will be IP-based. However 3G networks are not based on IP technologies, rather they are an evolution from existing 2G networks. Much work needs to be done to IP QoS and mobility protocols and architectures for them to be able to provide the functionality 3G requires.
IP for 3G gives a comprehensive overview of 3G networking functionality and examines how IP protocols can be developed to provide some of the basic building blocks of a mobile system (mobility, QoS and call control)-What is an all-IP network? What difference will IP networking make to 3G services?
Third Generation (3G) mobile offers access to broadband multimedia services - and in the future most of these, even voice and video, will be IP-based. However 3G networks are not based on IP technologies, rather they are an evolution from existing 2G networks. Much work needs to be done to IP QoS and mobility protocols and architectures for them to be able to provide the functionality 3G requires.
IP for 3G gives a comprehensive overview of 3G networking functionality and examines how IP protocols can be developed to provide some of the basic building blocks of a mobile system (mobility, QoS and call control)
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Author: anna |
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Description: 多播与服务品质网络参数表达式,设计了一种柔性QoS多播基于人工鱼路由算法群算法的原理,并介绍模糊数学。-Multicast with QoS is regarded as a promising solution for group multimedia applications in NGI
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Description: QoS Improvement for Multimedia Multicast Communication over Wireless Swan Mesh Network
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Author: suresh babu |
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Description: he quality of service (QoS) refers to several related aspects of telephony and computer networks that allow the transport of traffic with special requirements. In particular, much technology has been developed to allow computer networks to become as useful as telephone networks for audio conversations, as well as supporting new applications with even stricter service demands
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Author: idris cinemre |
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Description: There is a growing interest of wireless
operators to migrate their existing 3G networks to
different 4G technologies such as Wi MAX and L TE. In
this heterogeneous environment of wireless networks
and architectures, one of the major concerns is how to
allocate network resources efficiently to diverse traffic
classes with different QoS constraints. Further it has
been convincingly demonstrated through numerous
high quality studies that multimedia traffic found in
modern wireless networks exhibits Long-Range
Dependence (LRD) and self-similarity, a phenomenon
which cant' be captured by traditional traffic modeling
based on simplistic Poisson model.
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Author: hicham
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