Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2006-12-18
2011-10-18
Ferris, Derrick W (Department: 2463)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
Reexamination Certificate
active
08040918
ABSTRACT:
A method of allocating upstream bandwidth in a passive optical access network includes associating a first timer to a first upstream traffic flow and associating a second timer to a second upstream traffic flow. During a given frame period, if the first timer is at its expiration value and the second timer is not at its expiration value, then a first portion of the upstream bandwidth is allocated to the first upstream traffic flow. If a second portion of the upstream bandwidth is left, at least part of that second portion is allocated to the second upstream traffic flow before the second timer expires. If the first and second timers have not expired, then at least part of the upstream bandwidth is allocated to at least one of the first and second upstream traffic flows.
REFERENCES:
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“Gigabit-Capable Passive Optical Networks (G-PON): Transmission Convergence Layer Specification,” Series G: Transmission Systems and Media, Digital Systems and Networks, Digital Sections and Digital Line System—Optical Line Systems for Local and Access Networks, ITU-T G.984.3, pp. i-v, and 1-135, (Mar. 2008).
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Angelopoulos, J. D. et al., “Efficient Transport of Packets with QoS in an FSAN-Aligned GPON,” IEEE Communications Magazine, IEEE Service Center, New York, vol. 42, No. 2, pp. 92-98, XP001047862, (Feb. 2004).
Cantone Silvia Colli
Greborio Laura
Ferris Derrick W
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Onamuti Gbemileke
Telecom Italia S.p.A.
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