Method for allocating transmission period in a wireless...

Multiplex communications – Communication over free space – Signaling for performing battery saving

Reexamination Certificate

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Details

C370S318000, C370S329000, C370S347000, C370S328000, C370S338000, C455S522000, C455S574000

Reexamination Certificate

active

07656832

ABSTRACT:
A method is provided for efficiently allocating a transmission period in a WLAN system. An access point (AP) transmits a PSMP message providing a downlink period and an uplink period provided to each station (STA), and at least one sub PSMP frame indicating a period of at least one of a downlink and an uplink for an STA requiring additional resource allocation. After exchanging data with the AP in the downlink and uplink periods provided by the PSMP frame, if there is a need for additional resource allocation, the STA receives the at least one sub PSMP frame and exchanges data with the AP in the period provided by the each sub PSMP frame.

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