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     The main functions of internal communication of GEO satellite mobile communications network are introduced in this paper, including network synchronization, resource management, network management and signaling transfer.
     它可为整个卫星网提供同步服务,即保障卫星网各节点在统一的时间基准和频率基准下同步工作,还可在节点间传送资源管理,网络管理信息和完成信关站之间的信令传送.
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     Non-classical optical field has a very vital position in the quantum optics and quantum information because of its unique properties. Since non-classical optical field have obvious different feature from classical optical field, especially that the pressure optical field has smaller noise fluctuation on a component than others, using it as information carrier, we can obtain higher signal-to-noise and it will be an attractive information carrier.
     非经典光场以其独特的性质在量子光学和量子信息中占据了重要的地位,由于非经典光场具有与经典光场明显不同的特性,尤其是压缩光在某一分量上具有比真空涨落更小的噪声起伏,所以以此作为信息载体将能得到更高的信噪比,是一个十分诱人的信息传送资源
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     The main problem complicating multicast video transport is heterogeneity and variation of network transmission resources, which make it extremely difficult to agree on acceptable traffic characteristics among multiple receivers of the video stream.
     组播视频传输中存在的主要问题是网络传送资源的异构性和动态性 ,其使得视频流的多个接收方都达到可接受的流量特性变得异常困难 .
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     First-ly,the basic concept of the intelli gent optical network system is described. Then the functional require ments for control and the general consideration of trans mis sion resources and their organi-za tion,control structure and network perfor mance requirements are intro-duced. Fi nally,the convergence of IP layer and optical transmission layer as well as the features of the two basic net-work evolu tion structures are discussed.
     首先阐述这种智能光网络体制的基本概念,然后介绍其控制面的功能要求、传送资源及其组织、控制面结构、网络性能要求等总体问题的考虑,接下来论述IP层与光传送层的融合以及两种基本网络演进结构的特点。
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     Discussion of Construction Thought about the Resource Management System of Transmit Network
     传送资源管理系统及其建设
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     How to Achieve the Transmission of the Remote File and the Computer's Resource Shared
     如何实现远程文件传送和计算机资源共享
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Energy, material and organisms are moved between systems by physical vectors, but migrating animals also transport resources between systems.
      
This implies a transformation of the underlying transport network technology (moving towards IP) as well as the way that transport resources can be shared across multiple applications and controlled from the intelligence domain.
      
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Internal communication of GEO satellite mobile communications network is the information transfer between satellite network nodes. Internal communications links between network nodes construct the intra-network communication. The main functions of internal communication of GEO satellite mobile communications network are introduced in this paper, including network synchronization, resource management, network management and signaling transfer.

完善的网络内部通信是通信系统向用户提供及时的、高质量的通信服务的重要保证.同步轨道卫星移动通信的网络内部通信是卫星网的节点之间的信息传送,网络节点之间的内部通信链路构筑了网络内部通信.它可为整个卫星网提供同步服务,即保障卫星网各节点在统一的时间基准和频率基准下同步工作,还可在节点间传送资源管理,网络管理信息和完成信关站之间的信令传送.

Multicast distribution of video is an important component of many existing and future networked services, such as video conferencing, distance learning, remote presentation and media on demand, and improvements in network delivery infrastructure and increases in end system processing power have made these applications feasible. The main problem complicating multicast video transport is heterogeneity and variation of network transmission resources, which make it extremely difficult to agree on acceptable traffic...

Multicast distribution of video is an important component of many existing and future networked services, such as video conferencing, distance learning, remote presentation and media on demand, and improvements in network delivery infrastructure and increases in end system processing power have made these applications feasible. The main problem complicating multicast video transport is heterogeneity and variation of network transmission resources, which make it extremely difficult to agree on acceptable traffic characteristics among multiple receivers of the video stream. An attractive solution to this problem is to use an adaptive, multi layered video transmission scheme, in which each source generates a layered media stream that is striped across multiple network channels. In multipoint to multipoint video multicast applications such as video conferencing, channels are always shared by all potential senders, any sender can send its video layers in any shared channels. In this multipoint to multipoint, shared channels, and layered video multicast model, one key problem is how to determine the mappings from video source layers onto shared multicast channels dynamically, which affects directly the whole video receiving quality of the session and the bandwidth utilization of the network. Classic approach is sequential mapping. It treats each sender equally, but introduces a bandwidth scaling problem at each shared network channel as the number of sources increases. Moreover, it can not adapt to the variation of network transmission resources and session status. In this paper, we design an adaptive layer mapping algorithm that relies on feedback from the receivers. The receivers feed back information about their current interested sender and receiving rate to one control node periodically, and the control node adjusts mapping strategy according to current feedback information dynamically. It is proved that our algorithm always achieves higher total video receiving quality than the sequential layer mapping algorithm with high bandwidth utilization and little complexity.

视频组播是许多当前和将来网络服务的重要组成部分 ,如视频会议、远程学习、远地展示及视频点播 ,随着网络传送基础设施的改善和端系统处理能力的增强 ,组播视频应用日益变得可行 .组播视频传输中存在的主要问题是网络传送资源的异构性和动态性 ,其使得视频流的多个接收方都达到可接受的流量特性变得异常困难 .目前该问题的一个有效解决方式就是利用自适应的分层视频传输机制 ,在该机制中 ,各源产生层次媒体流 ,并在多个网络信道中传输 .对视频会议类的多点到多点视频组播应用 ,信道往往被所有潜在的发送方共享 ,任何发送方都可在任何一个共享信道中发送其视频层次 .在该多点到多点、共享信道、分层视频组播模型下 ,一个关键问题就是如何动态确定各视频源层次到各共享组播信道的映射 ,映射策略直接影响到会话整体视频接收质量和网络带宽利用率 .典型的方式是顺序映射 ,该映射方式同等对待各发送方 ,但利用该方式 ,随源数目的增加 ,在各共享网络信度上会出现带宽可伸缩性问题 ,而且顺序映射方式无法适应网络传送资源和会话状态的动态变化 .为此 ,该文设计了一种基于接收方反馈信息的自适应的层次映射算法 ,接收方周期性地将其当...

视频组播是许多当前和将来网络服务的重要组成部分 ,如视频会议、远程学习、远地展示及视频点播 ,随着网络传送基础设施的改善和端系统处理能力的增强 ,组播视频应用日益变得可行 .组播视频传输中存在的主要问题是网络传送资源的异构性和动态性 ,其使得视频流的多个接收方都达到可接受的流量特性变得异常困难 .目前该问题的一个有效解决方式就是利用自适应的分层视频传输机制 ,在该机制中 ,各源产生层次媒体流 ,并在多个网络信道中传输 .对视频会议类的多点到多点视频组播应用 ,信道往往被所有潜在的发送方共享 ,任何发送方都可在任何一个共享信道中发送其视频层次 .在该多点到多点、共享信道、分层视频组播模型下 ,一个关键问题就是如何动态确定各视频源层次到各共享组播信道的映射 ,映射策略直接影响到会话整体视频接收质量和网络带宽利用率 .典型的方式是顺序映射 ,该映射方式同等对待各发送方 ,但利用该方式 ,随源数目的增加 ,在各共享网络信度上会出现带宽可伸缩性问题 ,而且顺序映射方式无法适应网络传送资源和会话状态的动态变化 .为此 ,该文设计了一种基于接收方反馈信息的自适应的层次映射算法 ,接收方周期性地将其当前感兴趣的发送方及接收速率的信息反馈给某控制节点 ,而控制节点就利用当前?

Occurrence of intelligent automatic switched optical network is a great breakthrough for the concept of traditional transport network.First the paper introduced basic concept of intelligent optical network.Then the paper described some considerations for this new system such as functional requirements of control plane,transport resources and organization,architecture of control plane,network performance requirements,etc.Finally the paper presented convergence trends of IP layer and optical transport layer and...

Occurrence of intelligent automatic switched optical network is a great breakthrough for the concept of traditional transport network.First the paper introduced basic concept of intelligent optical network.Then the paper described some considerations for this new system such as functional requirements of control plane,transport resources and organization,architecture of control plane,network performance requirements,etc.Finally the paper presented convergence trends of IP layer and optical transport layer and characteristics of two basic network evolution architectures towards to the convergence.

智能自动交换光网络的出现是传送网概念的重大历史性突破。首先阐述这种智能光网络体制的基本概念 ,然后介绍其控制面的功能要求、传送资源及其组织、控制面结构、网络性能要求等总体问题的考虑 ,最后论述 IP层与光传送层的融合以及两种基本网络演进结构的特点

 
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