Charles Swiger wrote: > On Wed, 2007-08-15 at 22:54 -0500, Jeff Brower wrote: > >> Michael- >> >> >>> I think the most comprehensive page I've found is < http:// >>> en.wikipedia.org/wiki/XMax >. Links to patents and reviews (e.g. >>> Phil Karn's). - MLD >>> >> Phil Karn is a Qualcomm employee -- maybe not the most impartial source. >> Here is >> something recent, starting with an actual face-to-face meeting with xG >> management: >> >> >> > > Thanks guys - will check those out. > > --Chuck > > > I couldn't find Jeffs response in my "discuss-gnuradio" archive, so I'm responding here.
I've known Phil personally for many years (yikes, a couple of decades now!). I'd be utterly shocked to find him simply "spouting the company line". I've read his analysis, and talked to him in person about some of this stuff, and I find the approach of going back to first principles to be compelling. There seems to be a fair amount of "perpetual motion machines" happening in modulation schemes, and Phil has usually "taken them on" with grace and scientific rigour. I'd be keen to see the analysis that Jeff pointed out, but as I said, I don't appear to have that e-mail in the discuss-gnuradio archive I have here...
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