[opendtv] Re: Will Femtocells Save LTE?
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Thu, 28 Apr 2011 12:58:00 -0500
Craig Birkmaier wrote:
> So I explained that smartphones already try to move data traffic to
> WiFi when it is available.
Give it up, Craig. All cellular "offloads" the RF traffic onto a wired network.
And femtocells, just like WiFi when used for this purpose, just like the
previous cell size reductions when going to 3G, are similar in that respect.
They simply reduce cell size. There is no discontinuity in the cellular model.
It's just more of the same.
Furthermore, it's false to say "you can only go so far with reducing cell
size." Taken to the extreme, your RF link would be something like Bluetooth,
very short range, with frequency reuse virtually infinite. All of the heavy
lifting is done by the cabled network, and the RF link is only used for the
last few inches.
> It is possible to offer the equivalent services that TV broadcasters are
> delivering today in half the current spectrum that is allocated.
I don't trust you on this. I keep reading these vague notions, and their main
purpose is to appease politicians. We have gone over different schemes with
their tradeoffs countless times, and returning back to vague words is just not
productive.
Bert
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