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Technology Stocks : BIFS ... Patented Environmental Cleanup and Low Float Co.
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To: Dave Gore who started this subject8/31/2000 4:25:28 PM
From: yardslave  Read Replies (1) of 381
 
Another technical problem.
Assuming that SWOMI is 802.11b, and lets assume the laws of physics changes for BIFS product (just for this exercise).
OK we will make the assumption that someone magical way, SWOMI can transmit at a distance.
Now you got a timing issue you have to deal with. That is with a CSMA type system, there are real limits to distances that have nothing to do with signal strength. When a sending node sends out a packet, it listens for itself in order to tell if a collision has happened. If the delta between send of data and receive of data is to long, (In thin ethernet the spec is 200 meters, but you can run a tad be more). The node will assume a collision and reset itself to retransmit.

I am not exactly sure what the exact limit is here, but there most certainly is one. All the signal strength in the world is not going to help you.
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