Optical communications – Multiplex – Time division
Reexamination Certificate
2007-08-14
2007-08-14
Pascal, Leslie (Department: 2613)
Optical communications
Multiplex
Time division
C370S437000, C370S442000, C370S461000
Reexamination Certificate
active
10728002
ABSTRACT:
Disclosed is a bandwidth allocation method for an optical line termination (OLT) in a Gigabit Ethernet passive optical network (GE-PON) having one OLT and a plurality of optical network units (ONUs) connected to the OLT. The method includes the steps of transmitting a registration request grant message for granting an opportunity for transmitting a registration request signal from the OLT to the ONUs; determining the number of ONUs that transmitted registration request messages in response to the registration request grant message; and segmenting a single time slot into a plurality of minislots, segmenting a partial bandwidth of each of the segmented minislots so as to accommodate the ONUs, and allocating the segmented bandwidths to the ONUs that transmitted the registration request messages as voice bands.
REFERENCES:
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patent: 2003/0123482 (2003-07-01), Kim et al.
patent: 2004/0202174 (2004-10-01), Kim et al.
patent: 10-041964 (1998-02-01), None
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O. Yoshihara et al.; “Dynamic Bandwidth Allocation Algorithm for GE-PON;” The Institute of Electronics, Information & Communication Engineers.
O. Yoshihara et al.; “Dynamic Bandwidth Allocation Algorithm for GE-PON;” The Institute of Electronics, Information & Communication Engineers; Apr. 2002.
GE-PON Grant/Request Method for High Bandwidth Efficiency and Low Latency, NTT Corp Mar. 2002, Institute of Electronics, p. 414.
Kim A-Jung
Kim Jin-Hee
Kim Su-Hyung
Lee Min-Hyo
Lim Se-Youn
Cha & Reiter LLC
Pascal Leslie
Samsung Electronics Co,. Ltd.
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