DSU,
So you are saying the distance calculation is the calculation that has been made to determine, say, a wireless router's "up to" distance that it will work [this is your "solidly fixed preset requirement"]? CLYW claims that the phones never need to make a distance calculation just that the phones be in the "up to distance" of the, for example, wireless router.
So, once a clyw phone is within the working distance of said wireless router, what does the patent say about how/when the handoff occurs? The parameters would have to be something like TM indicated: low enough packet loss percentage and signal quality? How does the patent address that it 'knows' it is within preset distance of a valid router (not stray signal), router might send some standard router id number format sent with signal?
DSU, are you convinced the patent is Golden?
Thanks.