Asynchronous Transfer Mode(ATM)technique is regarded as an efficient approach forthe integration of diverse types of services in Broadband Integrated Services Digital Network(B-ISDN).The Asynchronous-Time-Division(ATD...Asynchronous Transfer Mode(ATM)technique is regarded as an efficient approach forthe integration of diverse types of services in Broadband Integrated Services Digital Network(B-ISDN).The Asynchronous-Time-Division(ATD)Statistical Multiplexing and FastPacket Switching in ATM networks bring serious uncertainty to the end-to-end Cell DelayVariation(CDV)of the CBR traffic(e.g.voice,audio,CBR video,etc.)and cause troublesfor the Source Timing Recovery(STR)of CBR services.This paper discusses the originsand features of the CDV,two STR implementation methods proposed by the InternationalTelecommunication Union(ITU),and an optimal STR scheme with a Digital-to-AnalogConverter(DAC)based Phase-Locked Loop(PLL).展开更多
文摘Asynchronous Transfer Mode(ATM)technique is regarded as an efficient approach forthe integration of diverse types of services in Broadband Integrated Services Digital Network(B-ISDN).The Asynchronous-Time-Division(ATD)Statistical Multiplexing and FastPacket Switching in ATM networks bring serious uncertainty to the end-to-end Cell DelayVariation(CDV)of the CBR traffic(e.g.voice,audio,CBR video,etc.)and cause troublesfor the Source Timing Recovery(STR)of CBR services.This paper discusses the originsand features of the CDV,two STR implementation methods proposed by the InternationalTelecommunication Union(ITU),and an optimal STR scheme with a Digital-to-AnalogConverter(DAC)based Phase-Locked Loop(PLL).
