Multiplex communications – Channel assignment techniques – Carrier sense multiple access
Reexamination Certificate
2007-06-29
2009-10-20
Moore, Jr., Michael J (Department: 2419)
Multiplex communications
Channel assignment techniques
Carrier sense multiple access
C370S450000, C370S520000
Reexamination Certificate
active
07606258
ABSTRACT:
A method and a system provide access to a communications medium that is suitable for allowing use of a plurality of Home Phoneline Network Association (HPNA) v2 frames in a centralized manner. Each HPNA v2 frame is timed to allow an Inter-Frame Gap (IFG) portion having a duration that is substantially a duration defined by an HPNA v2 protocol specification for an IFG portion of an HPNA v2 frame. A plurality of frames are generated in the communications medium with at least one frame of the plurality of frames having timing to allow a Shortened Inter-Frame Gap (SIFG) portion and a contention-free portion. The SIFG portion is less than about 17 μsec in duration. Access to the communications medium is then provided for at least one station (STA) during the contention-free portion of a frame having timing to allow the SIFG portion.
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Lin Wei
Sherman Matthew J.
AT&T Intellectual Property II L.P.
Haynes Michael N.
Mais Mark A
Michael Haynes PLC
Moore, Jr. Michael J
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