Method for dynamically allocating bandwidth in ATM passive...

Details Method for dynamically allocating bandwidth in ATM passive... Method for dynamically allocating bandwidth in ATM passive...

2007-02-20

2007-02-20

To, Doris H. (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S477000, C370S395210

Reexamination Certificate

active

10251130

ABSTRACT:
The present invention relates to a method for dynamically allocating bandwidth under a media access control (MAC) protocol between an optical line termination (OLT) and a group including a plurality of optical network units (ONUs) in an ATM-PON. In order to meet quality of service (QoS) requirement, the dynamic bandwidth allocation method is capable of determining bandwidth to be allocated to each of the ONUs on the basis of information about traffic indicators of connections established to each of the ONUs and about the number of non-real time cells waiting in each of the ONUs, resulting in an enhancement in utilization efficiency of an upstream transmission channel and enabling an effective transmission.

REFERENCES:
patent: 6636527 (2003-10-01), Lee et al.
patent: 6721504 (2004-04-01), Kim et al.
patent: 6728248 (2004-04-01), Uchida et al.
patent: 1999-0070901 (1999-09-01), None
Dynamic Bandwidth Assignment for ATM-PON Systems by N. Shimada et al.; 3.4-1-3.7-7, Apr. 2001.
DBA Function for Broadband Passive Opitcal Network Systems by M. Yoshino et al. pp. 3.1-1-3.1-8, 2001.

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