USA flag logo/image

An Official Website of the United States Government

Chaotic Modulation for Satellite Communications (S

Award Information

Agency:
Department of Defense
Branch:
Army
Award ID:
92168
Program Year/Program:
2009 / SBIR
Agency Tracking Number:
A092-063-2021
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
TORREY PINES TECHNOLOGIES GROUP, INC.
12225 World Trade Drive Suite P San Diego, CA -
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2009
Title: Chaotic Modulation for Satellite Communications (S
Agency / Branch: DOD / ARMY
Contract: W15P7T-10-C-B408
Award Amount: $69,991.00
 

Abstract:

A new approach to satellite communications (SATCOM) can be realized by use of chaotic modulation methods. Covert SATCOM signals are a growing area of interest. Low probability of detection and interception (LPI/LPD) are becoming critically important for SATCOM operation in unfriendly territory. New research has identified chaotic modulation techniques as having great promise to reduce transmit spectral energy while adding to the data security of the link. One of the ways to improve LPI/LPD is to use chaotically timed pulse sequences. Called Chaotic Pulse Position Modulation (CPPM), each pulse has an identical shape but the time delay between them varies chaotically. Because information in contained entirely in the timing between pulses, the distortions that affect the pulse shape will not significantly influence the ability of the chaotic pulse generators to synchronize. Therefore, chaotic synchronization can be achieved using realistic channels and at the same time bandpass filters can be used for noise reduction. Variations on CPPM are described: using CDMA applied to the pulses, chaotic amplitude decision boundaries, rate adaption techniques, and a variation on Paired Carrier Multiple Access (PCMA). Together these techniques promise to increase bandwidth, increase security, and increase the covert appearance of SATCOM signals.

Principal Investigator:

Phil Biggs
CEO
8586760749
davidg@torreypinestechnologies.com

Business Contact:

Justin Grooms
Director, Technology Management
8582435925
justing@torreypinestechnologies.com
Small Business Information at Submission:

TORREY PINES TECHNOLOGIES GROUP, INC.
12225 World Trade Drive, Suite P San Diego, CA 92128

EIN/Tax ID: 204823101
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No