Access control method in communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 18, 2000
Grant Date -
N/A
app pub date -
May 27, 1997
filing date -
May 28, 1996
priority date (Note) -
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Abstract
A down-link frame generating/transferring portion 12 detects a free channel from among a plurality of previously assigned up-link channels. The down-link frame generating/transferring portion 12 selects a secondary station 2 to which the free channel is to be assigned by referring to an address table 11 every time it detects a free channel. Then the down-link frame generating/transferring portion 12 sends out onto a down-link channel a down-link frame in which the secondary station address of the selected secondary station is set in an address slot corresponding to the free channel.
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