High Spectrum Efficiency Technologies

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W31P4Q-13-C-0160
Agency Tracking Number: D131-006-0080
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2013
Solicitation Year: 2013
Solicitation Topic Code: SB131-006
Solicitation Number: 2013.1
Small Business Information
15400 Calhoun Drive, Suite 400, Rockville, MD, -
DUNS: 161911532
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Sohraab Soltani
 Senior Research Scientist
 (301) 294-4454
Business Contact
 Mark James
Title: Director, Contracts and Proposals
Phone: (301) 294-5221
Email: mjames@i-a-i.com
Research Institution
Intelligent Automation, Inc. proposes Spectrum Efficient Communications and Advanced Networking Technology (SECANT), which integrates dynamic interference management (that adapts among interference avoidance, tolerance, cancellation, and interference alignment) and multiuser detection at the PHY layer. SECANT provides adaptive MAC design that supports PHY layer spectrum efficiency gains to improve system throughput on limited frequency resources and optimizes spectrum sensing and transmission times in a distributed network setting with possibly incomplete/inaccurate spectrum information. SECANT introduces a paradigm shift in wireless communication protocol design to achieve spectrum utilization beyond the legacy"single-link single-user"PHY-MAC operational range. We follow a cross-layer approach with seamless interactions between PHY and MAC layers to enable simultaneous transmissions and controlled interference resiliency in the system. This design provides wireless nodes with the unique capabilities of adaptively utilizing local information and optimally exploiting PHY layer resources to achieve spectrum efficiency significantly beyond the legacy design limits. Multi-layer design of SECANT is realistic in terms of cost-effectiveness and network performance, and allows practical SDR deployment for prototyping and testing under real radio hardware performance. We will study the performance of multi-layer SECANT design compared with SISO QPSK TDMA scheme via theoretical analysis, simulations, SDR implementation and wireless network emulation.

* Information listed above is at the time of submission. *

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