Multiplex communications – Channel assignment techniques – Messages addressed to multiple destinations
Reexamination Certificate
2004-05-07
2008-12-09
Rao, Seema S. (Department: 2616)
Multiplex communications
Channel assignment techniques
Messages addressed to multiple destinations
C370S473000, C370S474000
Reexamination Certificate
active
07463642
ABSTRACT:
A technique for multiple receiver aggregation that allows for multiple immediate responses of acknowledgements or block acknowledgements. The technique uses a spoofed network allocation vector (NAV) implemented within an aggregate's PLCP header to protect the aggregate and all of the immediate responses from multiple receivers. The immediate responses are scheduled, the information indicating the scheduled offset time and granted transmission duration for response of each receiver being included in the physical sublayer data unit (PSDU) headers within the aggregate.
REFERENCES:
patent: 2003/0152058 (2003-08-01), Cimini, Jr. et al.
patent: 2003/0169769 (2003-09-01), Ho et al.
patent: 2004/0054820 (2004-03-01), Karaoguz et al.
patent: 2004/0062273 (2004-04-01), Frank et al.
patent: 2005/0135318 (2005-06-01), Walton et al.
patent: 2005/0165946 (2005-07-01), Stephens
Chan Sai-Ming
Cisco Technology Inc.
Rao Seema S.
Tucker Ellis & West LLP
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