Adaptive Multi-Channel Software Defined Radio System Navy SBIR FY2007.2 Sol No.: Navy SBIR FY2007.2 Topic No.: N07-140 Topic Title: Adaptive Multi-Channel Software Defined Radio System Proposal No.: N072-140-0560 Firm: Broadata Communications, Inc. 2545 W. 237th Street, Suite K Torrance, California 90505-5229 Contact: Freddie Lin Phone: (310) 530-1416 Web Site: www.broadatacom.com Abstract: Broadata Communications, Inc. (BCI) proposes to investigate and develop a new Adaptive Multi-Channel Software Defined Radio (AMSDR) System based on an intelligent decision feedback based diversity receiver for UHF SATCOM systems. The AMSDR system utilizes high performance, state-of-the-art, physical layer receiver algorithms implemented in software radio, providing high adaptability pertinent to software defined radio architecture, and also, more importantly, significantly enhancing the performance due to the first-ever implementation of the latest innovative diversity algorithms in software radio architecture. The final AMSDR system will use the Software Communications Architecture, support multiple waveforms, and provide Joint Tactical Radio System (JTRS) capabilities. The AMSDR system will be based on advanced decision feedback based algorithm for signal detection and a innovative signal combining mechanism together providing Signal to noise ratio (SNR) performance improvement of 4-6dB as compared to existing systems. In addition, AMSDR provides all the benefits of software radio such as adaptability, significant cost savings, easy upgrades to future technologies and flexibility. Benefits: Future Communication Systems are expected to be built with software defined radios where they can seamlessly communicate with each other. SDR is of critical importance to the future of efficient and effective radio communication that must include interoperability, and hence has significant commercial benefits. Disaster response involving several agencies can be more effectively managed with the ideal SDR radio, software can be used to act as an interpreter between completely incompatible radio frequencies and modulation techniques. 900 MHz radios can talk to 2.4 GHz radios, GSM cell phones can communicate with CDMA phones. Also, the MIMO and diversity algorithms are very useful for commercial wireless communications. Since the wireless industry is actively moving towards MIMO systems, these components are applicable and will have a direct commercial benefit for BCI. Return