These mechanisms provide for maximum efficiency for high - bandwidth streams , power - management friendly implementations , and poled - style access for variable bit rate and bursty streams 这些机制提供了最大效率的高带宽数据流、电力管理友善实现以及对可变位速率和脉冲式数据流的轮询式访问。
Atm adaptation layer type 2 : this aal supports class b traffic , which is connection - oriented , variable bit rate ( vbr ) , isochronous traffic requiring precise timing between source and sink Atm适配层类型2 :这种aal类型支持b级传输业务,面向连接,可变比特率( vbr ) ,在传输源和目的地之间需要精确定时的同步传输。
Based on the correlation structure of real - time variable bit rate video traffic , this paper proposed a dynamic bandwidth allocation ( dba ) algorithm with adaptive linear traffic prediction in ethernet passive optical network ( epon ) 摘要根据视频数据流的长程相关性特点,提出一种以太无源光网络中面向实时可变比特率视频的动态带宽分配算法。
Some common satellite resource allocation algorithms are analyzed in this paper , especially the wrr ( weighted round robin ) algorithm based on the flux estimate which can guarantee the qos of vbr ( variable bit rate ) 本论文首先分析了当前国内外一些常用的卫星资源调度算法,特别是基于流量估计的wrr ( weightedroundrobin )调度算法,它能够对vbr ( variablebitrate )业务进行很好的支持。
One of the important characteristics of atm networks is that the atm networks support several service types to meet applications with different qos . in uni 4 . 1 , the service types are constant bit rate ( cbr ) , variable bit rate ( vbr ) , available bit rate ( abr ) , and unspecified bit rate ( ubr ) Atm网络的一个重要特征就是它能提供几类服务以满足不同服务质量的要求,这包括:恒定比特率( cbr ) 、未定比特率( ubr ) 、可用比特率( abr )以及可变的比特率( vbr )服务。
Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system . besides providing asynchronous communications access , ocdma system has many advantages , such as high capacity , security against interception , suppression of narrow band disturbances , capability in forming variable bit rate networks and multi - rate networks . it implies a great challenge for the development of future communication networks , especially all optical networks 光码分多址( ocdma )是将码分多址( cdma )技术与大容量的光纤通信技术相结合的一种通信方式,其主要优点表现在如下几个方面:允许多个用户随机地接入同一信道:可构成真正“透明”的全光通信网络;具有良好的安全性;允许可变速率或多速率传输,并可同时提供多种业务支持;具有优良好的抗干扰能力,并能够充分地利用石英光纤的可用带宽。