Scheduling is the operation to multiplex of different classes and/or kinds of traffic in a switch output port.
VBR与ABR的综合控制模型，可同时保证用户所需的传输质量和网络的资源利用率。
We study the flow control scheme with an ATM network in the presence of rt-VBR traffic.
仿真结果表明：带宽分配具有公平性，链路利用率达到设计目标，交换节点处缓冲队列很短。
Multi-PHY support on the MPC857T Four PHY support on the MPC857DSL Parameter RAM for both SPI and I2C can be relocated without RAM-based microcode Supports full-duplex UTOPIA both master and slave operation using a split bus AAL2/VBR functionality is ROM-resident Up to 32-bit data bus (dynamic bus sizing for 8, 16, and 32 bits) 32 address lines Memory controller Contains complete dynamic RAM controller Each bank can be a chip select or RAS to support a DRAM bank Up to 30 wait states programmable per memory bank Glueless interface to Page mode/EDO/SDRAM, SRAM, EPROMs, ash EPROMs, and other memory devices.
多PHY物理层的MPC857T四MPC857DSL参数RAM的支持，同时支持SPI和I2C可以不基于RAM的微码支持全双工乌托邦都主和奴隶操作使用分割总线AAL2/VBR功能ROM的居民多达32位数据总线（动态总线8，16大小，和32位）32地址线内存控制器（8家银行）包含完整的动态随机存储器的控制器，各银行可以选择一个或RAS芯片支持高达每30个等待状态的DRAM内存可编程银行银行无缝连接到页面模式/江户/的SDRAM，静态存储器，与EPROM，闪光的EPROM，和其他存储设备。
We analyze the traffic character of VBR streams and several transport schemes. To overcome the demerits of these schemes in the QoS, we present a brand bandwidth-released piece-wide CBR transport scheme, BR-CBR, which is flexible and has high bandwidth utilization. It supports deterministic QoS and VCR operations.
我们分析了其流量特性以及几种传输方案，针对这些方案在服务质量上的不足，提出了一种带宽释放型分段CBR传输业务---BR-CBR，该方法具有带宽利用率高、计算简单、支持VCR交互操作、提供确定性的服务质量等特点。
A Planar InGaAs/InP avalanche photodiode was developed. With breakdown voltage as low as 40 V and dark current as low as InA at 0.9 VBR, the APD is applicable for low voltage applications such as SFP and SFF optical fibre communication modules. The module tests show that the APD features high sensitivity and saturation optical power.
设计并制作一种基于2.5 Gbit/s应用的分离吸收区和倍增区结构的InGaAs/InP 雪崩光电二极管（avalanche photodiode，APD），该APD具有低击穿电压VBR（典型值为40 V）和低暗电流（反偏电压为0.9 VBR时典型值为1 nA）的显著特点，适合低工作电压的应用场合，如小型化的SFP和SFF光通信模块。
First, its characteristic of Gamma distribution can follow the bit rate of a VBR video source better.
该模型的Gamma分布特性能较好地描述VBR业务比特流的分布，由自相关函数决定的模型系数更充分地描述了自相关函数的行为，利用三态马尔科夫链的两个补充过程可以较理想地描述场景切换下的视频业务模型。
In this paper, we develop a wavelet model for MPEG-2 video traffic. In this paper, we study performance of these three algorithms (Improved APRCA, Improved CAPCA, and ERICA+) in the presence of dynamic traffic with long-range dependent VBR background traffic.
此外，我们对改进后的APRCA、改进后的CAPCA和ERICA+这三种算法在动态流量及长时独立的VBR背景流量的作用下的性能作了比较，结果表明更复杂的算法如ERICA+和改进后的CAPCA具有更好的性能。
Recent measurement on WAN, LAN, VBR, and ISDN traffic shows that there exist intricately self-similar or long-range dependence characteristics in the traffic.
近期的研究表明，在WAN，LAN及VBR业务、ISDN中传输的业务等多种通信业务中普遍存在着自相似特性。
The main operation of dynamic allocation of bandwidth is to schedule the transmit rates of VBR and ABR traffics according to the change of VBR traffic.
网络中传输带宽的动态分配，可主要归结为VBR业务和ABR业务传输带宽的调度控制。
And then the article discusses more about the properties of the optimal algorithm in details from simulations. The results of simulations of VBR MPEG videos show the algorithm can reduce peak and variance of the videos effectively.
接下来本文进一步从实验模拟方面详细探讨了此算法各方面的性能，对变比特率MPEG视频的模拟结果显示，此算法可以有效地降低视频流的峰值和码率波动。
Design and implement of mobile streaming media sever which is the core equipment in the mobile streaming media system is a very big challenge because wireless channel have the characteristic of high VBR、high transmission delay and varied transmission rate.
移动流媒体服务器作为移动通信中流媒体业务支撑环境的核心设备，由于无线传输信道误码率高、传输时延大、传输速率不稳定的特点，为其设计和实现带来了挑战。
The most important role this chapter plays lies on the five new ideas the author presents to reduce coding, packeting and queuing delays.
然后讨论了语音在ATM和IP网络中传输的码流适配方法、CBR和VBR码流的适配时延问题。
The pruning process results in better generalization ability and lower computational complexity for the online sta...
针对以上问题，本文提出了一种用于VBR视频通信量预测的自适应神经网络模型，网络训练采用离线与在线相结合的方式，同时通过删除不重要的权重，以优化网络的拓扑结构，提高网络的推广能力，降低网络在线学习的计算复杂度；对VBR视频通信量预测的模拟结果表明该模型具有高的预测精度，并能满足通信系统对预测实时性的要求。
Therefore, how to effectively integrate them so that people can flexibly (i. e. beyond any time and region limitations) exchange various types and various forms (wired/wireless, fixed/mobile) of information has become a hot topic in communication field.
因此，如何将二者有效地结合起来，使人们能够用一个统一的传输平台实现各种类型（CBR、VBR、ABR、UBR）和各种形式（无线/有线、移动/固定）的灵活的（不受任何时间、地域限制的）信息交换已成为近几年通信领域的一个研究热点。
There are several different kinds of traffic in B-ISDN, including CBR, VBR, ABR and UBR. To guarantee the transmission quality of service and obtain the high utilization of network resources, it is necessary for us to study the bandwidth allocations in the environment in which there exit several kinds of traffics at the same time.
在宽带综合业务网络中，包含CBR、VBR、ABR和UBR等多种类别的业务，研究传输带宽的分配方法，使得既保证各种业务的传输服务质量，又使网络的资源能够得到充分利用，具有很实际的意义。
Since the congestion control of TCP is implemented by using window, we propose an explicit window indication strategy for TCP over UBR. The simulation results show that this method can enhance the link efficiency greatly and keep good fairness; at the same time it works well under VBR background traffic. It is easy to implement; the buffer size requirement of the gateway for zero cell loss is very small and independent of the numbers of TCP sources.
本文提出一种基于UBR传输的明确窗口指示拥塞控制策略，仿真结果表明在效率、公平性、VBR背景传输下的性能等各方面，取得了比目前广泛使用的Reno TCP更好的结果，并且该算法实现简单，交换机实现零信元丢失的缓冲区很小并且与TCP源连接的数目无关。
In ATM network, there are five kinds of services, i. e., CBR, r. t-VBR, n. r. t-VBR, ABR and UBR.
在ATM网络中，存在CBR、rt-VBR、n.r.t-VBR、ABR和UBR等5种类别的业务。
Currently, researches of wireless ATM networks are mainly on two areas: 1 wireless ATM access, including how to improve the usage efficiency of radio channels, how to transmit CBR, VBR, UBR, ABR data on radio channels effectively. 2 mobility support functions in mobile ATM networks, including handoff, mobility management, mobile user authentication and registration, mobile connection routing etc.
对于无线ATM网络的研究主要集中在两个领域：1、无线ATM网络接入信道的研究，包括扩频技术的研究，如何提高无线信道的利用率，实现高效的CBR、VBR、ABR和UBR等业务的无线接入传输； 2、移动ATM网络的移动支持功能研究，如何在固定网络中实现越区切换、移动管理、移动用户认证及登记、移动连接路由等。
Then, the article researches on modeling of VBR MPEG videos and analysis of multiplexing.
接下来，本文对变比特率MPEG视频的建摸和复接分析进行了研究。
Optionally write VBR frame into the merged file and is useful when merging files with different bitrates.
或者写的VBR帧到合并后的文件和是有用的文件时，合并不同的比特率。