Apparatus and method for transmitting/receiving data in a...

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

Reexamination Certificate

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Reexamination Certificate

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07929505

ABSTRACT:
A method and apparatus are provided for receiving data in a wireless local area network (WLAN) communication system, where a first control signal to check if it is possible to receive data is received, and, when it is possible to receive data, waiting for data and when it is impossible to receive data, transmitting a second control signal representing data reception impossibility. Herein, the second control signal comprises information that enables data transmission when a second control signal is not received during a time interval.

REFERENCES:
patent: 6556582 (2003-04-01), Redi
patent: 6625162 (2003-09-01), Myojo et al.
patent: 6768730 (2004-07-01), Whitehill
patent: 6990116 (2006-01-01), Young et al.
patent: 2006/0211372 (2006-09-01), Shellhammer et al.
patent: 2008/0144493 (2008-06-01), Yeh

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