Re: 3Q 2006 Wireless Carrier Results "decaturtxcowboy" <nope_none_@nowayspam.com> wrote in message news:ZMS5h.6649$6t.6547@newssvr11.news.prodigy.com ...
>g wrote:
>> That's a tough comparison to make accurately both because of the
>> absolute accuracy of the RSSI built into the phones and because of the
>> variability due to propagation. Still, an interesting one to attempt!
>
> Actually, reading the dB scale wasn't necessary. Most importantly we
> did a side by side comparison from same cell tower location and similar
> preforming phones. So the only significant variable would be the
> propagation difference of the two bands (assuming similar radio
> performance).
Variations in the nominally comparable RF performance of the phones
could easily mask the 7 dB difference to be expected from the
operating frequency difference. These types of studies are normally
carried out with spectrum analyzers costing thousands of dollars.
--
John Richards |