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Microcap & Penny Stocks : Globalstar Telecommunications Limited GSAT
GSAT 62.88-0.5%Nov 14 9:30 AM EST
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To: Maurice Winn who wrote (23743)7/12/2001 11:53:04 PM
From: Clarksterh  Read Replies (1) of 29987
 
Maurice - You could actually do what you are talking about:

1) When it would take less power to talk to a basestation then to talk to the satellite, use the basestation.

2) When it would take less power to talk to a satellite than to the nearest basestation, use the satellite.

The users of the basestation would impact the capacity of the satellite since they would add to the interference that the satellite user links see. But overall it would still be a net gain in total users, probably by a substantial margin. The largest problem is that this would then entail each G* satellite having to hand off not just to another G* satellite, but probably multiple ground basestations. Probably a pretty complex venture.

Clark

PS There is another reason above and beyond antenna gain that the power required for a satellite link is substantially less than proportional to the power required for a terrestrial cell link times the (range satellite/cell radius)^2. On the ground the power required is proportional to r^3 to r^4 due ground reflections, buildings, ... so that the cell radius is much less than you would naively think for a given power.
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