A method of retransmitting a data frame and a network apparatus using the
method are provided. In the method performed in a wireless network, a
first network apparatus transmits a data frame requesting a response
frame. A second network apparatus determines a type of response frame
according to a reception mode of the data frame. The second network
apparatus transmits the determined type of response frame to the first
network apparatus. The first network apparatus retransmits the data frame
according to the type of the response frame transmitted to the first
network apparatus.