[Discuss] cell Network time no longer provided

Chris Markiewicz effigies at riseup.net
Mon Mar 16 09:57:08 EDT 2015


On 03/16/2015 09:46 AM, Shirley Márquez Dúlcey wrote:
> CDMA networks (Verizon, Sprint, and their MVNOs) are unlikely to make
> that change because they MUST have accurate time sources available at
> every cell site. Correct operation of the network requires that the
> sites be synchronized within milliseconds, because CDMA does soft
> handoffs as you travel. The network can reassemble partial reception
> from more than one site to piece together your conversation, and that
> requires that the timing be accurate. It's done by having a GPS time
> reference at each site. Since accurate time must be available in any
> case, they might as well continue to provide it to customers.
> 
> T-Mobile, the other major GSM network in the US, still provides network time.

Can confirm that my phone updated to DST on Sprint's network.

Chris



More information about the Discuss mailing list