Electronics and Telecommunications Research Institute

Le Quan

Hark Yoo

Kwang-Ok Kim

Yong-tae Kim

Sung-Chang Kim

Kyeong-Hwan Doo

Dong-soo Lee

Bin-yeong Yoon

Man-soo Han

Geun-yong Kim

Sung-hoon Kwak

Mun-seob Lee

Jong-deog Kim

Bong-kyu Kim

Provided are an apparatus and method for efficiently and dynamically allocating a bandwidth on a Time Division Multiple Access-based Passive Optical Network (TDMA PON). The dynamic bandwidth allocation apparatus for uplink data transmission of a plurality of Optical Network Units (ONUs) including a plurality of class queues corresponding to Transmission Container (T-CONT) types, the plurality of ONUs connected to an Optical Line Terminal (OLT) on a Passive Optical Network (PON), includes: a class queue information storage unit storing information regarding a bandwidth allocation period and an allocatable bandwidth amount for each T-CONT type; an allocation check table unit checking the bandwidth allocation period for the T-CONT type received from the class queue information storage unit, and determining an allocatable bandwidth amount for the T-CONT type; and a bandwidth allocation unit allocating an uplink bandwidth to the T-CONT type with reference to the bandwidth allocation period and the allocatable bandwidth amount for the T-CONT type, and re-allocating to each ONU an uplink bandwidth remaining after allocating a total uplink bandwidths to all T-CONT types.

Apparatus and method for efficient bandwidth allocation on time division multiple access-based passive optical network (TDMA-PON)

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Gwangju-si, South Korea

Le Quan