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 這些機(jī)制提供了最大效率的高帶寬數(shù)據(jù)流、電力管理友善實(shí)現(xiàn)以及對(duì)可變位速率和脈沖式數(shù)據(jù)流的輪詢(xún)式訪問(wèn)。
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適配層類(lèi)型2 :這種aal類(lèi)型支持b級(jí)傳輸業(yè)務(wù),面向連接,可變比特率( vbr ) ,在傳輸源和目的地之間需要精確定時(shí)的同步傳輸。
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 ) 摘要根據(jù)視頻數(shù)據(jù)流的長(zhǎng)程相關(guān)性特點(diǎn),提出一種以太無(wú)源光網(wǎng)絡(luò)中面向?qū)崟r(shí)可變比特率視頻的動(dòng)態(tài)帶寬分配算法。
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 ) 本論文首先分析了當(dāng)前國(guó)內(nèi)外一些常用的衛(wèi)星資源調(diào)度算法,特別是基于流量估計(jì)的wrr ( weightedroundrobin )調(diào)度算法,它能夠?qū)br ( variablebitrate )業(yè)務(wù)進(jìn)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網(wǎng)絡(luò)的一個(gè)重要特征就是它能提供幾類(lèi)服務(wù)以滿足不同服務(wù)質(zhì)量的要求,這包括:恒定比特率( cbr ) 、未定比特率( ubr ) 、可用比特率( abr )以及可變的比特率( vbr )服務(wù)。
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 光碼分多址( ocdma )是將碼分多址( cdma )技術(shù)與大容量的光纖通信技術(shù)相結(jié)合的一種通信方式,其主要優(yōu)點(diǎn)表現(xiàn)在如下幾個(gè)方面:允許多個(gè)用戶(hù)隨機(jī)地接入同一信道:可構(gòu)成真正“透明”的全光通信網(wǎng)絡(luò);具有良好的安全性;允許可變速率或多速率傳輸,并可同時(shí)提供多種業(yè)務(wù)支持;具有優(yōu)良好的抗干擾能力,并能夠充分地利用石英光纖的可用帶寬。