[time-nuts] CDMA Networks: Timing Requirements

Mike S mikes at flatsurface.com
Sat Feb 3 20:26:49 EST 2007

At 07:11 PM 2/3/2007, Phaysal Khan wrote...
>Can anyone tell me, how important is timing for network 
>synchronization ( i am looking forward to some quantitative values), 
>how much accuracy is expected from timing references, especially GPS 
>and what are the main services, including CDMA which are using GPS as 
>timing receivers.

IS-97C (Recommended Minimum Performance Standards for Base Stations 
Supporting Dual-Mode Spread Spectrum Mobile Stations) requires minimun 
frequency accuracy of 0.05 ppm, and time reference accuracy of 10uS. 

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