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1. (WO2010078137) COMMUNICATIONS SYSTEM EMPLOYING ORTHOGONAL CHAOTIC SPREADING CODES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/078137 International Application No.: PCT/US2009/069121
Publication Date: 08.07.2010 International Filing Date: 22.12.2009
Chapter 2 Demand Filed: 28.10.2010
IPC:
H04J 13/00 (2006.01) ,H04B 1/707 (2006.01) ,G06F 7/58 (2006.01) ,H04L 9/00 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
J
MULTIPLEX COMMUNICATION
13
Code division multiplex systems
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
1
Details of transmission systems, not covered by a single one of groups H04B3/-H04B13/123; Details of transmission systems not characterised by the medium used for transmission
69
Spread spectrum techniques
707
using direct sequence modulation
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
7
Methods or arrangements for processing data by operating upon the order or content of the data handled
58
Random or pseudo-random number generators
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9
Arrangements for secret or secure communication
Applicants:
HARRIS CORPORATION [US/US]; 1025 W. NASA Blvd., MS A-11I Melbourne, Florida 32919, US (AllExceptUS)
Inventors:
MICHAELS, Alan J.; US
CHESTER, David B.; US
Agent:
SCHMIDT, Steffen, J.; Wuesthoff & Wuesthoff Schweigerstrasse 2 D-81541 München, DE
Priority Data:
12/344,96229.12.2008US
Title (EN) COMMUNICATIONS SYSTEM EMPLOYING ORTHOGONAL CHAOTIC SPREADING CODES
(FR) SYSTÈME DE COMMUNICATIONS EMPLOYANT DES CODES D'ÉTALEMENT CHAOTIQUES ORTHOGONAUX
Abstract:
(EN) Methods for code-division multiplex communications. The methods involve generating orthogonal or statistically orthogonal chaotic spreading codes (CSC1,..., CSCK) using different sets of polynomial equations (fo(x(nT)),..., fN-1,(x(nT))), different constant values (Co, Ci,..., CN-1 for the polynomial equations, or different sets of relatively prime numbers (ρo, pi,..., pN-1) as modulus (m0, m1,..., mN-ι) in solving the polynomial equations. The methods also involve forming spread spectrum communications signals using the orthogonal or statistically orthogonal chaotic spreading codes, respectively. The methods further involve concurrently transmitting the spread spectrum communications signals over a common RF frequency band.
(FR) La présente invention concerne des procédés destinés aux communications à multiplexage en code. Ces procédés consistent à générer des codes d'étalement chaotiques orthogonaux ou statistiquement orthogonaux (CSC1,..., CSCK) en utilisant différents ensembles d'équations polynomiales (fo(x(nT)),..., fN-1,(x(nT))), différentes valeurs de constantes (Co, Ci,..., CN-1) pour les équations polynomiales, ou différents ensembles de nombres premiers entre eux (po, pi,..., pN-1) pris comme modules (m0, m1,..., mN-ι) pour résoudre les équations polynomiales. Ces procédés consistent également à former des signaux de communications à étalement du spectre au moyen des codes d'étalement chaotiques orthogonaux ou statistiquement orthogonaux. Ces procédés consistent ensuite à transmettre simultanément les signaux de communications à étalement du spectre en passant par une bande de fréquences radiofréquence commune.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP2382725