Method and apparatus for controlling communications in a passive optical network
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Jul 9, 1998
filing date -
Jul 11, 1997
priority date (Note) -
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Abstract
A method and system provide a unique communication and protocol between an optical line termination device and a plurality of optical network units sitting at different distances from the optical line termination device. The OLT determines the distance between it and each ONU and then requests communications from the ONUs in ascending order from nearest to farthest. The OLT also determines a time delayed period between the nearest ONU and the farthest ONU and awaits that time delay period before initiating subsequent ONU communication with the ONUs.
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