Communication device, communication system, and method of allocating bandwidth
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United States of America Patent
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Jul 1, 2014
Grant Date -
Dec 15, 2011
app pub date -
Feb 23, 2009
filing date -
Feb 23, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A communication device operating as a master unit includes: a MAC layer termination functioning unit for extracting, from a receiving signal, queue length information scheduled to be transmitted from an ONU, and controlling transmission of a grant to the ONU; a traffic monitor for measuring an amount of uplink traffic of each ONU; and a bandwidth allocation functioning unit for determining a bandwidth to be allocated to each ONU based on the queue length information extracted by the MAC layer termination functioning unit, the amount of traffic measured by the traffic monitor, and a bandwidth that can be allocated in one cycle of bandwidth update, and issuing a grant according to the determination. The bandwidth allocation functioning unit updates a bandwidth to be allocated periodically.
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