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Introduction

Introduction

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Introduction

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  1. Software Defined Radio for the Smartphone Age Operation Introduction • Large frequency band received by antenna • 22kHz of bandwidth brought down to baseband by FPGA board • Signal sent over microphone port and demodulated in software on smartphone While software defined radio (SDR) has been used for years to demodulate arbitrary modulation schemes, the computational power of smartphones has only recently become fast enough to run SDR software. Applications Improvements • Implemented within future smartphones to allow connectivity to future 5G networks with software update • Allow police and rescue services to use one device for radio communications and information display • Aftermarket attachment for smartphones to upgrade network connection • Use USB interface from recently released Android ADK • Allow interface will multiple antennas • Implement full duplex communication • Reduce form factor • Move software modulation to native layer via JNI Andrew Lund Brendan Morgan Howard Chang Mark Messmer Supervisor: Dr. Peter Driessen Portions of this poster are modifications based on work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.