Chuck Hast wrote:
>Back in Jan/Feb did a coverage study for the Hillsborough Co. Shireff on
>AT&T (Cingular) Nextel, Sprint and Verizon, the rest of them either did not
>offer to enter or waited until the study was done then hollered "me too"
>
>Nextel and Sprint were the worst of the two, with Nextel having coverage
>issues all over the count. Sprint had coverage but there was no "depth"
>as we got call drops all across the county.
>
>Verizon and AT&T were the winners with coverage even out in the S. E.
>part of the county in the middle of the phosphate mines where no one else
>covered it.
>
>The two were neck to neck, but AT&T won because GSM/GPRS/EDGE is
>treated as a NIC card and when the card registers on the network that is
>how it appears to the computer using it.
>
>CDMA still retains a "dialer piece" and that piece at times will drop the
>connection, when your application has data to send it goes out and
>re-establishes the connection in the background so you just see a small
>delay, but every once in a while there are no resrouces and the connection
>is not re-established, that is one of the test we do on CDMA networks is
>to see how long it takes to recover from these "drops". The GSM network
>never showed a dropped connection because it operates in packet mode
>and the only thing you will see if the resource is busy is a retry about 10
>ms later.
>
>That last piece was the deciding factor between the two. But if it were me
>I would on a day to day basis here in Hillsborough Co. go with Verizon
>because the drops are so few as to be almost zero. For law enforcement
>they did find that the drops were too much for their operations.
>
>Sprint out of almost 18,000 samples had 917 access failures that was
>totally unacceptable to the customer. They need more base stations on
>the towers, as they had the coverage in terms of signal level, but there
>was not enough facilities to handle the traffic.
>
>Verizon out of 18K samples only had 19.
>
>
>
>--
>Chuck Hast
>To paraphrase my flight instructor;
>"the only dumb question is the one you DID NOT ask resulting in my going
>out and having to identify your bits and pieces in the midst of torn
>and twisted metal."
>
>-----------------------------------------------------------------------
>This list is provided as an unmoderated internet service by Networked
>Knowledge Systems (NKS). Views and opinions expressed in messages
>posted are those of the author and do not necessarily reflect the
>official policy or position of NKS or any of its employees.
>
>
>
Chuck, good 411. Thanks.
-----------------------------------------------------------------------
This list is provided as an unmoderated internet service by Networked
Knowledge Systems (NKS). Views and opinions expressed in messages
posted are those of the author and do not necessarily reflect the
official policy or position of NKS or any of its employees.
This archive was generated by hypermail 2.1.3 : Fri Aug 01 2014 - 20:18:48 EDT