Communication device, communication system, and method of allocating bandwidth

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United States of America Patent

PATENT NO 8767745
APP PUB NO 20110305451A1
SERIAL NO

13202860

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Abstract

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
MITSUBISHI ELECTRIC CORPORATIONTOKYO6650

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mukai, Hiroaki Tokyo, JP 25 218
Nishitani, Takashi Tokyo, JP 8 19
Tanaka, Masaki Tokyo, JP 131 1086

Cited Art Landscape

Patent Info (Count) # Cites Year
 
LUCENT TECHNOLOGIES INC. (1)
* 2009/0110,392 Allocating Upstream Bandwidth in an Optical Communication Network 5 2007
 
TELECOM ITALIA S.P.A. (1)
* 2010/0027,561 DYNAMIC BANDWIDTH ALLOCATION IN A PASSIVE OPTICAL ACCESS NETWORK 4 2006
 
POINT REYES NETWORKS, INC. (1)
* 6570883 Packet scheduling using dual weight single priority queue 70 1999
 
HITACHI, LTD. (1)
* 2009/0010,650 PASSIVE OPTICAL NETWORK SYSTEM AND COMMUNICATION METHOD THEREFOR 23 2008
* Cited By Examiner

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