Patent ID: 7711032
Filing Date: 2010-05-04
Classification: H04B,H04J,H04L

Abstract:
1. A method for spread spectrum digital communication by Golay complementary sequence modulation, comprising: receiving information comprising binary data for transmission through a communication channel; encoding and dividing said received binary data into symbols for spread spectrum transmission; modulating and encoding each symbol separately using Golay complementary sequences to generate a Golay sequence modulated binary data signal by (a) generating η binary Golay sequences and encoding each symbol of said received binary data with one of the η binary Golay sequences as entry data with low cross-correlation of the Golay sequences to generate an output signal, and (b) modulating said output signal with N-PSK modulation to generate the Golay sequence modulated binary data signal; using a double accumulator and shift register, including elements accumulating and displacing said sequences generated in order to obtain different phases; and transmitting said Golay sequence modulated binary data signal through said communication channel.