Multiplexer with dynamic bandwidth allocation
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United States of America Patent
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-
Jan 2, 1990
Grant Date -
N/A
app pub date -
Jun 13, 1988
filing date -
Jun 13, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for assigning time slots in a frame of time slots used for time division multiplexing, the time slots being representable as a position within the frame, in which it is determined what quantity of the time slots are required to provide a needed amount of bandwidth. A random number generator (40) generates (92) a uniformly distributed random number which is scaled (94) to represent a position in the first portion of the frame. A first of the positions within the frame is assigned based upon the value of the randon number. The remaining positions are assigned by fitting (64) the remaining required positions to the available positions in the frame spacing them at approximately equally spaced intervals as available. This prevents bunching of the used time solts which would otherwise prevent dynamic allocation of large blocks of bandwidth in the frame without complete recalculation of the frame.
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