CN101552663A - 无源光网络***及其频率和时间的同步方法 - Google Patents
无源光网络***及其频率和时间的同步方法 Download PDFInfo
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- CN101552663A CN101552663A CNA2008100875489A CN200810087548A CN101552663A CN 101552663 A CN101552663 A CN 101552663A CN A2008100875489 A CNA2008100875489 A CN A2008100875489A CN 200810087548 A CN200810087548 A CN 200810087548A CN 101552663 A CN101552663 A CN 101552663A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000001360 synchronised effect Effects 0.000 claims abstract description 70
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Abstract
Description
无线技术 | 时钟频率精度要求 | 时间同步要求 |
GSM | 0.05ppm | NA |
WCDMA | 0.05ppm | NA |
CDMA2000 | 0.05ppm | 3us |
TD·SCDMA | 0.05ppm | 1.5us |
WiMax | 0.05ppm | 1us |
LTE | 0.05ppm | 倾向于采用时间同步 |
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CN101552663A true CN101552663A (zh) | 2009-10-07 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011120185A1 (en) * | 2010-03-29 | 2011-10-06 | Telefonaktebolaget L M Ericsson (Publ) | Methods and arrangements in optical network |
WO2011143948A1 (zh) * | 2011-01-26 | 2011-11-24 | 华为技术有限公司 | 一种实现时间同步的方法和*** |
WO2012155762A1 (zh) * | 2011-07-29 | 2012-11-22 | 中兴通讯股份有限公司 | 一种pon***的本振同步方法及onu和olt |
CN105141390A (zh) * | 2015-09-16 | 2015-12-09 | 浙江神州量子网络科技有限公司 | 一种量子网络中的时间同步方法 |
WO2016045340A1 (zh) * | 2014-09-23 | 2016-03-31 | 深圳市中兴微电子技术有限公司 | 时钟同步方法及光网络单元、存储介质 |
CN106130679A (zh) * | 2016-06-21 | 2016-11-16 | 易事特集团股份有限公司 | 主从时钟同步方法与*** |
CN111030909A (zh) * | 2020-03-03 | 2020-04-17 | 南京科远智慧科技集团股份有限公司 | 一种应用于can总线多主设备通讯间时间同步的方法 |
CN112202519A (zh) * | 2020-08-26 | 2021-01-08 | 浙江双成电气有限公司 | 控制报文传输延时抖动的方法 |
CN112584260A (zh) * | 2019-09-30 | 2021-03-30 | 上海诺基亚贝尔股份有限公司 | 传输时间同步消息的方法、设备、装置和介质 |
CN114513274A (zh) * | 2022-04-15 | 2022-05-17 | 清华大学 | 面向互联网的多跳高精度时间同步协议实现方法及装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2208842T3 (es) * | 1997-07-02 | 2004-06-16 | Alcatel | Metodo de multiplexado en el tiempo y DISPOSICIONES RELACIONADAS PARA USO EN UNA ESTACION CENTRAL Y EN TERMINALES DE UNA RED DE COMUNICACION. |
CN100581164C (zh) * | 2006-03-15 | 2010-01-13 | 重庆邮电学院 | 面向测量与控制的精确时间同步方法与*** |
CN1960242B (zh) * | 2006-10-17 | 2011-09-07 | 中控科技集团有限公司 | 实现时钟同步的方法、装置、***及分布式*** |
CN101114896A (zh) * | 2007-05-15 | 2008-01-30 | 北京东土科技股份有限公司 | 一种精密同步时钟的实现方法 |
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2008
- 2008-04-02 CN CN 200810087548 patent/CN101552663B/zh not_active Expired - Fee Related
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011120185A1 (en) * | 2010-03-29 | 2011-10-06 | Telefonaktebolaget L M Ericsson (Publ) | Methods and arrangements in optical network |
CN102907020A (zh) * | 2010-03-29 | 2013-01-30 | 爱立信(中国)通信有限公司 | 光网络中的方法和装置 |
CN102907020B (zh) * | 2010-03-29 | 2016-09-14 | 爱立信(中国)通信有限公司 | 光网络中的方法和装置 |
WO2011143948A1 (zh) * | 2011-01-26 | 2011-11-24 | 华为技术有限公司 | 一种实现时间同步的方法和*** |
CN102440040A (zh) * | 2011-01-26 | 2012-05-02 | 华为技术有限公司 | 一种实现时间同步的方法和*** |
CN102440040B (zh) * | 2011-01-26 | 2015-05-27 | 华为技术有限公司 | 一种实现时间同步的方法和*** |
US9525541B2 (en) | 2011-01-26 | 2016-12-20 | Huawei Technologies Co., Ltd. | Method and system for implementing time synchronization |
WO2012155762A1 (zh) * | 2011-07-29 | 2012-11-22 | 中兴通讯股份有限公司 | 一种pon***的本振同步方法及onu和olt |
CN105515704A (zh) * | 2014-09-23 | 2016-04-20 | 深圳市中兴微电子技术有限公司 | 时钟同步方法及光网络单元 |
WO2016045340A1 (zh) * | 2014-09-23 | 2016-03-31 | 深圳市中兴微电子技术有限公司 | 时钟同步方法及光网络单元、存储介质 |
CN105141390A (zh) * | 2015-09-16 | 2015-12-09 | 浙江神州量子网络科技有限公司 | 一种量子网络中的时间同步方法 |
CN105141390B (zh) * | 2015-09-16 | 2018-10-30 | 浙江神州量子网络科技有限公司 | 一种量子网络中的时间同步方法 |
CN106130679A (zh) * | 2016-06-21 | 2016-11-16 | 易事特集团股份有限公司 | 主从时钟同步方法与*** |
CN112584260A (zh) * | 2019-09-30 | 2021-03-30 | 上海诺基亚贝尔股份有限公司 | 传输时间同步消息的方法、设备、装置和介质 |
CN112584260B (zh) * | 2019-09-30 | 2023-06-13 | 上海诺基亚贝尔股份有限公司 | 传输时间同步消息的方法、设备、装置和介质 |
CN111030909A (zh) * | 2020-03-03 | 2020-04-17 | 南京科远智慧科技集团股份有限公司 | 一种应用于can总线多主设备通讯间时间同步的方法 |
CN112202519A (zh) * | 2020-08-26 | 2021-01-08 | 浙江双成电气有限公司 | 控制报文传输延时抖动的方法 |
CN114513274A (zh) * | 2022-04-15 | 2022-05-17 | 清华大学 | 面向互联网的多跳高精度时间同步协议实现方法及装置 |
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CN101552663B (zh) | 2012-12-19 |
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