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SUMMARY:Wireless Spectral Sharing Techniques and Issues - Fletcher Wicker 
 (The Aerospace Corporation / Cambridge)
DTSTART:20071107T140000Z
DTEND:20071107T150000Z
UID:TALK8605@talks.cam.ac.uk
CONTACT:Speaker to be confirmed
DESCRIPTION:The demand for satellite communications has grown dramatically
  over the past decade. Currently there is very little unused radio frequen
 cy spectrum available for use in satellite communications. New satellite b
 ased applications such as high definition TV and high speed Internet acces
 s require greater bandwidths then are available. This presentation investi
 gates the use of direct sequence spread spectrum techniques to share spect
 ral bands that are currently allocated to ground-based narrow band users. 
 The use of spread spectrum techniques theoretically should allow satellite
  communications to co-exist with narrow band users. However\, additional m
 easures to insure the operations are on a non-interference basis are requi
 red in the form of a “smart” radio. An analysis of the traffic generat
 ed by narrow band users is presented along with some unusual spectral phen
 omena. 
LOCATION:MR12\, CMS\, Wilberforce Road\, Cambridge\, CB3 0WB
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