Patent ID: 6282228
Filing Date: 2001-08-28
Classification: H04B,H04J,H04L

Abstract:
A communication system comprising a spread spectrum transmitter and a spread spectrum receiver, said spread spectrum transmitter and said spread spectrum receiver communicating using a set of spread spectrum codes selected from seven sets of codes for minimizing cross-correlation interference in spread spectrum communication, wherein:a first set of the seven sets of codes comprises:01111010100010011100000110010110; 00101111110111001001010011000011; 01001001101110101111001010100101; 00011100111011111010011111110000; 01110101100001101100111010011001; 00100000110100111001101111001100; 01000110101101011111110110101010; 00010011111000001010100011111111; 01111010011101101100000101101001; 00101111001000111001010000111100; 01001001010001011111001001011010; 00011100000100001010011100001111; 01110101011110011100111001100110; 00100000001011001001101100110011; 01000110010010101111110101010101; 00010011000111111010100000000000; 01111010100010010011111001101001; 00101111110111000110101100111100; 01001001101110100000110101011010; 00011100111011110101100000001111; 01110101100001100011000101100110; 00100000110100110110010000110011; 01000110101101010000001001010101; 00010011111000000101011100000000; 01111010011101100011111010010110; 00101111001000110110101111000011; 01001001010001010000110110100101; 00011100000100000101100011110000; 01110101011110010011000110011001; 00100000001011000110010011001100; 01000110010010100000001010101010; and 00010011000111110101011111111111;a second set of the seven sets of codes comprises:11111100110001100111100100111011; 11111100110001100111100100111011; 10101001100100110010110001101110; 11001111111101010100101000001000; 10011010101000000001111101011101; 11110011110010010111011000110100; 10100110100111000010001101100001; 11000000111110100100010100000111; 10010101101011110001000001010010; 11111100001110010111100111000100; 10101001011011000010110010010001; 11001111000010100100101011110111; 10011010010111110001111110100010; 11110011001101100111011011001011; 10100110011000110010001110011110; 11000000000001010100010111111000; 10010101010100000001000010101101; 11111100110001101000011011000100; 10101001100100111101001110010001; 11001111111101011011010111110111; 10011010101000001110000010100010; 11110011110010011000100111001011; 10100110100111001101110010011110; 11000000111110101011101011111000; 10010101101011111110111110101101; 11111100001110011000011000111011; 10101001011011001101001101101110; 11001111000010101011010100001000; 10011010010111111110000001011101; 11110011001101101000100100110100; 10100110011000111101110001100001; 11000000000001011011101000000111; and 10010101010100001110111101010010;a third set of the seven sets of codes comprises:10010100101000101000001010110001; 11000001111101111101011111100100; 10100111100100011011000110000010; 11110010110001001110010011010111; 10011011101011011000110110111110; 11001110111110001101100011101011; 10101000100111101011111010001101; 11111101110010111110101111011000; 10010100010111011000001001001110; 11000001000010001101011100011011; 10100111011011101011000101111101; 11110010001110111110010000101000; 10011011010100101000110101000001; 11001110000001111101100000010100; 10101000011000011011111001110010; 11111101001101001110101100100111; 10010100101000100111110101001110; 11000001111101110010100000011011; 10100111100100010100111001111101; 11110010110001000001101100101000; 10011011101011010111001001000001; 11001110111110000010011100010100; 10101000100111100100000101110010; 11111101110010110001010000100111; 10010100010111010111110110110001; 11000001000010000010100011100100; 10100111011011100100111010000010; 11110010001110110001101111010111; 10011011010100100111001010111110; 11001110000001110010011111101011; 10101000011000010100000110001101; and 11111101001101000001010011011000;a fourth set of the seven sets of codes comprises:11000010001001001100110100001001; 10010111011100011001100001011100; 11110001000101111111111000111010; 10100100010000101010101101101111; 11001101001010111100001000000110; 10011000011111101001011101010011; 11111110000110001111000100110101; 10101011010011011010010001100000; 11000010110110111100110111110110; 10010111100011101001100010100011; 11110001111010001111111011000101; 10100100101111011010101110010000; 11001101110101001100001011111001; 10011000100000011001011110101100; 11111110111001111111000111001010; 10101011101100101010010010011111; 11000010001001000011001011110110; 10010111011100010110011110100011; 11110001000101110000000111000101; 10100100010000100101010010010000; 11001101001010110011110111111001; 10011000011111100110100010101100; 11111110000110000000111011001010; 10101011010011010101101110011111; 11000010110110110011001000001001; 10010111100011100110011101011100; 11110001111010000000000100111010; 10100100101111010101010001101111; 11001101110101000011110100000110; 10011000100000010110100001010011; 11111110111001110000111000110101; and 10101011101100100101101101100000;a fifth set of the seven sets of codes comprises:10111111111000011010010101101100; 11101010101101001111000000111001; 10001100110100101001011001011111; 11011001100001111100001100001010; 10110000111011101010101001100011; 11100101101110111111111100110110; 10000011110111011001100101010000; 11010110100010001100110000000101; 10111111000111101010010110010011; 11101010010010111111000011000110; 10001100001011011001011010100000; 11011001011110001100001111110101; 10110000000100011010101010011100; 11100101010001001111111111001001; 10000011001000101001100110101111; 11010110011101111100110011111010; 10111111111000010101101010010011; 11101010101101000000111111000110; 10001100110100100110100110100000; 11011001100001110011110011110101; 10110000111011100101010110011100; 11100101101110110000000011001001; 10000011110111010110011010101111; 11010110100010000011001111111010; 10001100001011010110100101011111; 11011001011110000011110000001010; 10110000000100010101010101100011; 11100101010001000000000000110110; 10000011001000100110011001010000; and 11010110011101110011001100000101;a sixth set of the seven sets of codes comprises:11011011000110100010111110111100; 10001110010011110111101011101001; 11101000001010010001110010001111; 10111101011111000100100111011010; 11010100000101010010000010110011; 10000001010000000111010111100110; 11100111001001100001001110000000; 10110010011100110100011011010101; 11011011111001010010111101000011; 10001110101100000111101000010110; 11101000110101100001110001110000; 10111101100000110100100100100101; 11010100111010100010000001001100; 10000001101111110111010100011001; 11100111110110010001001101111111; 10110010100011000100011000101010; 11011011000110101101000001000011; 10001110010011111000010100010110; 11101000001010011110001101110000; 10111101011111001011011000100101; 11010100000101011101111101001100; 10000001010000001000101000011001; 11100111001001101110110001111111; 10110010011100111011100100101010; 11011011111001011101000010111100; 10001110101100001000010111101001; 11101000110101101110001110001111; 10111101100000111011011011011010; 11010100111010101101111110110011; 10000001101111111000101011100110; 11100111110110011110110010000000; and 10110010100011001011100111010101; anda seventh set of the seven sets of codes comprises:0011100110101110111000001; 01101100111110110100100010010100; 00001010100111010010111011110010; 01011111110010000111101110100111; 00110110101000010001001011001110; 01100011111101000100011110011011; 00000101100100100010000111111101; 01010000110001110111010010101000; 00111001010100010001110100111110; 01101100000001000100100001101011; 00001010011000100010111000001101; 01011111001101110111101101011000; 00110110010111100001001000110001; 01100011000010110100011101100100; 00000101011011010010000100000010; 01010000001110000111010001010111; 00111001101011101110001000111110; 01101100111110111011011101101011; 00001010100111011101000100001101; 01011111110010001000010001011000; 00110110101000011110110100110001; 01100011111101001011100001100100; 00000101100100101101111000000010; 01010000110001111000101101010111; 00111001010100011110001011000001; 01101100000001001011011110010100; 00001010011000101101000111110010; 01011111001101111000010010100111; 00110110010111101110110111001110; 01100011000010111011100010011011; 00000101011011011101111011111101; and 01010000001110001000101110101000;and selectively transmitting and receiving said set of codes by said transmitter and receiver respectively.