Communication system transmitting modulated orthogonal carries with service units that scan spectrum to identify assigned band
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United States of America Patent
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Nov 5, 2002
Issued Date -
N/A
app pub date -
Sep 15, 1999
filing date -
Feb 6, 1995
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Abstract
A scanning method for establishing communication between a head end and a plurality of remote units in a multi-point to point communication system is described. The method includes transmitting information from the head end to the plurality of remote units in a plurality of regions of a first frequency bandwidth, each of the regions having at least one control channel associated therewith, identification information corresponding to each of the remote units of the plurality of remote units being periodically transmitted from the head end on the at least one control channel of one of the plurality of regions of the first frequency bandwidth. The method further includes scanning, at each of the remote units, the at least one control channel of each of the plurality of regions in the first frequency bandwidth to detect identification information corresponding to each of the remote units to identify a particular region of the plurality of regions that each of the remote units is to use for receiving information from the head end.
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