Patent ID: 8072957

Claim:
A method performed by a wireless transmitter for implementing dynamic orthogonal frequency-division multiplexing (â€œOFDMâ€) in a wireless network, the method comprising: acquiring information about a wireless channel, the channel for communicating between the transmitter and one or more receivers in accordance with a wireless protocol, the wireless channel comprising a plurality of sub-carriers in accordance with the OFDM scheme of the wireless protocol; in accordance with the acquired information, generating a dynamic OFDM allocation; modifying a value of a field of a header of a data frame specified by the wireless protocol to indicate that the data frame supports dynamic OFDM; adding a new field to the header of the data frame to package the dynamic OFDM allocation for transmission to the one or more receivers; and encoding data in the data frame in accordance with the dynamic OFDM allocation; and transmitting the data frame according to the wireless protocol; wherein: the acquired information comprises a gain of each sub-carrier; and the dynamic OFDM allocation comprises at least one of a transmit power and a modulation type for each sub-carrier respectively.