Wireless data communication apparatus and method capable of checking receipt and status
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United States of America Patent
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app pub date -
Apr 6, 2005
filing date -
Aug 14, 2001
priority date (Note) -
Abandoned
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Abstract
A wireless data communication apparatus and method capable of checking whether stations receive data from an access point and states of the stations include using a wireless transmission frame which includes an uplink period, a contention period, a receipt confirmation period, and a receiving state period. The receipt confirmation period is a period in which a subcarrier channel set is activated when the station successfully receives data from the access point, and the receiving state period is a period in which the subcarrier channel set is activated when the station can successfully receive data to be transmitted again from the access point.
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