Patent ID: 7821914

Claim:
A method of transmitting a data packet comprising: a) generating a preamble derived from one or more of the following bit sequences: i) x010101000110xxxxxxx011000000000; ii) x1011000111000000011011110xxxxxxxxxxxxx0110111001101001010111010; iii) x0011011011111010011101111xxxxxxxxxxxxx0111010010111110000000101; iv) x0000000110001001110100100xxxxxxxxxxxxx1011011110000110101011100; v) x1000010000110111100000110xxxxxxxxxxxxx1100110011101101111110110; by: 1) accessing a Z-bit per sample precision lookup table having elements corresponding to modulated complex time domain representations of the bit sequences, and 2) modulating the data payload using Y-bit per sample precision, b) appending the preamble to the data packet; and c) transmitting the data packet and preamble over a communication channel, wherein “x” represents an unused sub-carrier in a transmitted frequency division multiplexed signal, and wherein Y and Z are both greater than 1 and Y is greater than Z.