XPost: rec.arts.sf.written, rec.arts.sf.science   
   From: seawasp@sgeinc.invalid.com   
      
   On 1/15/14 10:43 AM, garabik-news-2005-05@kassiopeia.juls.savba.sk wrote:   
   > In rec.arts.sf.science J. Clarke  wrote:   
   >> In article , robban@clubtelco.com   
   >> says...   
   >   
   >>> But if every car were using that, wouldn't there be some interference?   
   >>   
   >> Most likely they use encoded signals so that each car can distinguish   
   >> its own returns from those of others.   
   >>   
   >   
   > And if they use directional transmission/reception, circular   
   > polarization and a precise direction, time and location encoded in the   
   signal,   
   > you can use other cars' signals to determine 1) their location 2) path   
   > their signal took to get to your car, and thus obstacles in the   
   > surroundings.   
   > Very hi-tech, but doable - if not today, then in a few years.   
      
   	But don't rely on it because not ALL vehicles will have this helpful   
   technology.   
      
      
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