Multiplex communications – Communication over free space – Signaling for performing battery saving
Reexamination Certificate
2008-01-29
2008-01-29
Vuong, Quochien B. (Department: 2618)
Multiplex communications
Communication over free space
Signaling for performing battery saving
C370S445000, C370S912000, C455S343100, C455S574000
Reexamination Certificate
active
07324468
ABSTRACT:
A method and apparatus for accessing, controlling and utilizing a network communication medium. Various aspects of the present invention may comprise a first networked device with power-save capability. The first networked device may acquire control of a communication medium utilizing a medium access protocol, which may be contention-based. The first networked device may utilize the communication medium to communicate information to a second networked device. The first networked device may transfer control of the communication medium to the second networked device, whereby the second networked device may control the communication medium without having to acquire control of the communication medium by utilizing the medium access protocol. The second networked device may utilize the communication medium to communicate information to the first networked device while maintaining control over the communication medium. The second networked device may have buffered such information for delayed delivery to the first networked device.
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Woesner H et al: “Power-Saving Mechanims in Emerging Standards for Wireless LANS: The MAC Level Perspective” IEEE Personal Communications, IEEE Communications Society, US vol. 5, No. 3, Jun. 1, 1998, pp. 40-48.
Broadcom Corporation
McAndrews Held & Malloy Ltd.
Vuong Quochien B.
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