Multiplex communications – Communication over free space – Repeater
Reexamination Certificate
2005-08-26
2008-12-02
Backer, Firmin (Department: 2416)
Multiplex communications
Communication over free space
Repeater
C370S337000, C370S341000, C370S458000, C370S462000, C455S450000
Reexamination Certificate
active
07460501
ABSTRACT:
Mechanisms, in a transmission channel shared by 802.11 systems and HIPERLAN/2 systems are provided to prevent 802.11 terminals from transmitting during time periods allocated to HIPERLAN, so that a single channel can be shared between the two standards. In a particular embodiment, a “super frame” format is used where HIPERLAN transmissions are offered the highest level of protection possible within 802.11, which is needed within the 802.11 Contention Free Period (CFP).
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AT&T Intellectual Property II L.P.
Backer Firmin
Haynes Michael N.
Jensen Dale R.
Michael Haynes PLC
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