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OTN_Network clock synchronization requirements

Created: Apr 8, 2020 12:56:15Latest reply: Jan 28, 2022 19:54:36 796 89 30 0 0

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Hello,

Today, I would like to share with you this topic which Introduce the network clock synchronization requirements.

When the services needs to transfer the clock signal through the transmission network, the transmitted clock signal must also meet these requirements.

Mobile communication network synchronization requirements

Wireless access network standard	Frequency synchronization accuracy requirements	Phase synchronization accuracy requirements
GSM	0.05ppm	No phase synchronization required
WCDMA	0.05ppm	No phase synchronization required
TD-SCDMA	0.05ppm	±1.5us
CDMA2000	0.05ppm	±3us
WiMax FDD	0.05ppm	No phase synchronization required
WiMax TDD	0.011ppm/3.5G，7 carrier	±1us
LTE FDD	0.05ppm	No phase synchronization required
LTE TDD	0.05ppm	±1.5us

Phase synchronization requirements of other common systems

System name	Phase synchronization accuracy requirements
Billing System	500ms
Communication network management system	500ms
No.7 Signaling Monitoring System	1ms
location service	1us (Equivalent positioning accuracy 300m)

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Winter_ba

Created Apr 8, 2020 16:57:44

Thank you for this synthesis!

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wissal Created Apr 9, 2020 06:39:34 (0) (0)
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faojen Created Jan 30, 2022 19:36:32 (0) (0)

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Jul_ang

Created Aug 18, 2020 20:28:12

Very important to know

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wissal Created Nov 19, 2020 17:14:46 (0) (0)
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nagui Created Jan 30, 2022 19:38:33 (1) (0)

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abood_1419

Created Nov 19, 2020 10:50:58

thanks

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wissal Created Nov 19, 2020 17:15:13 (0) (0)
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nagui Created Jan 30, 2022 19:38:47 (0) (0)

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Unicef

MVE Created Nov 19, 2020 10:59:38

Good, thanks for sharing

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wissal Created Nov 19, 2020 17:15:25 (0) (0)
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Unicef Reply wissal Created Nov 20, 2020 01:46:33 (0) (0)

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Ballester Created Nov 21, 2020 02:57:01

Thanks

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wissal Created Nov 21, 2020 06:01:44 (1) (0)
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mourou Created Jan 30, 2022 19:40:48 (1) (0)

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Pico_Tico_2018

Created Dec 14, 2020 17:25:03

Great sharing.

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wissal Created Dec 14, 2020 18:54:37 (0) (0)
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mourou Created Jan 30, 2022 19:40:59 (1) (0)

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alexander.grosello

Created Dec 14, 2020 18:22:08

Thanks for sharing

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wissal Created Dec 14, 2020 18:54:46 (0) (0)
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ertas Created Jan 30, 2022 19:43:47 (1) (0)

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raf_han

Created Aug 29, 2021 17:13:37

Thank you, IDOL

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wissal Created Jan 29, 2022 16:19:11 (0) (0)
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Saqib123

Created Aug 29, 2021 17:14:41

Well Done

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wissal Created Jan 29, 2022 16:19:19 (0) (0)
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ertas Created Jan 30, 2022 19:43:56 (0) (0)

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