Title :
A buffer level clock recovery based on least mean squares in PTN
Author :
Shuai, Lv ; Yueming, Lu ; Yuefeng, Ji
Author_Institution :
Key Lab. of IPOC, Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
Packet transport network (PTN) supports multiple services, including legacy TDM service. Clock recovery mechanism is essential technology for TDM over packet networks. As the buffer level clock recovery method in PTN is highly sensitive to the packet delay variation (PDV), a buffer level clock recovery based on least mean squares (LBL) is proposed. Simulation results show that LBL can effectively remove the negative contribution of packet delay jitter and provide more accurate clock recovery at the destination than traditional scheme.
Keywords :
jitter; least mean squares methods; packet switching; synchronisation; telecommunication traffic; LBL mechanism; LMS algorithm; PDV; PTN; buffer level clock recovery mechanism; least mean squares algorithm; legacy TDM traffic service; packet delay jitter; packet delay variation; packet transport network; Clocks; Delay; Frequency estimation; Intelligent networks; Jitter; Laboratories; Least squares approximation; Telecommunication traffic; Time division multiplexing; Timing; Least Mean Squares; PTN; buffer; clock recovery;
Conference_Titel :
Broadband Network & Multimedia Technology, 2009. IC-BNMT '09. 2nd IEEE International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-4590-5
Electronic_ISBN :
978-1-4244-4591-2
DOI :
10.1109/ICBNMT.2009.5347827
