图文并茂PTP教程

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图文并茂的英文PTP(高精度时间同步协议)教程 IEEE 1588TM (PTP) in Communication Networks
Master(M) Slave(s) tM oW UP Q T TA D AY RESP T1 T2 T2 TA (T2-T1)-(T4-1 T1 To T3 T4 P2PTC‘A P2P-TC 'B (upstream) (downstream) PDELAY REQ T2 EL RESP PDELAY_RESP. FOLLOW_UP (TS) D. T 6 T OSA 5330/31 PTP Grandmaster oSA 5320 PTP Slave TCC-PTP card for osa 5548C SSU/TSG PTP OEM Module Network Element type Frequency accuracy" Phase-time accuracy (fractional frequency) microsecond cdma2000 basestation 5E8/16E8 UMTS-TDD basestation 5E8/16E8 1.25us UMTS-FDD basestation 5E8511.6E8 LtE basestation See Table 2 See Table 2 WIMax basestation 8E6 aPON GPon Optical line terminal 1E11 MGW/MSC RNC/BSC see Note 3) 1): frequency synchronization 4): mandatory for WiMaX-TDD, optional for WiMax-FDD 2): phase synchronization 5): specified for base station,s air interface 3): depends on physical layers 6): commonly considered for base station,s input OSA 5548C SSU/TSG with PtP card G aggregatio OSA 5320 Network PTP Slave SWITCH IP/MPLS Core Network SIDE osA5330/31 PTP Grandmaster PTP OEM Module Ethernet Aggregation Network NSIDE 口 PTP OEM Module DVB 1PPS 10 MHz Broadcasting station OSA 5320 PTP Slave MPEG、SFN IP Network 1PPS 10MHz OSA5330/31 PTP Grandmaster osA5330/31 PTP Grandmaster DVB dilatol PPS 10 MHz OSA 5320 PTP Slave

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gnss79 很好学习资料!
2017-10-31
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