ece4305_L25

ece4305_L25 - Advanced SDR Implementations ECE4305:...

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Unformatted text preview: Advanced SDR Implementations ECE4305: Software-Defined Radio Systems and Analysis Professor Alexander M. Wyglinski Department of Electrical and Computer Engineering Worcester Polytechnic Institute Lecture 25 Professor Alexander M. Wyglinski ECE4305: Software-Defined Radio Systems and Analysis Advanced SDR Implementations Motivation Berkeley Emulation Engine 2 Motorola 10 MHz-4 GHz CMOS-Based CR Platform Maynooth Adaptable Radio System Build It and They Will Come I Exploration into advanced wireless communication and networking techniques require highly flexible platforms I Software-defined radio very well-suited due to its rapid reconfigurable attributes I Allows for controlled yet realistic experimentation I Use of real-time test bed operations enables a large set of experiments for various receiver settings, transmission scenarios, and network configurations I Excellent alternative for comprehensive evaluation of communication systems operating within a networked environment I Monte Carlo simulations can be computationally exhaustive and are only as accurate as the devised computer model Professor Alexander M. Wyglinski ECE4305: Software-Defined Radio Systems and Analysis Advanced SDR Implementations Motivation Berkeley Emulation Engine 2 Motorola 10 MHz-4 GHz CMOS-Based CR Platform Maynooth Adaptable Radio System System Requirements I Real-time baseband processing for spectrum sensing and agile transmission with high computational throughput and low latency I Integration of physical and network layers through real-time protocol implementation on embedded processors I Sufficiently wide bandwidth radio front-end with agility over multiple sub-channels and scalable number of antennas for spatial processing I Central processing of information exchange between multiple radios for controlled physical and network layer development and analysis ( e.g. , control channel implementation) Professor Alexander M. Wyglinski ECE4305: Software-Defined Radio Systems and Analysis Advanced SDR Implementations Motivation Berkeley Emulation Engine 2 Motorola 10 MHz-4 GHz CMOS-Based CR Platform Maynooth Adaptable Radio System System Requirements I Ability to perform controlled experiments in different environments ( e.g. , shadowing and multipath, indoor and outdoor environments) I Support for multiple radios which can be emulated as either primary users or cognitive radios I Reconfigurability and fast prototyping through a software design flow for algorithm and protocol description Professor Alexander M. Wyglinski ECE4305: Software-Defined Radio Systems and Analysis Advanced SDR Implementations Motivation Berkeley Emulation Engine 2 Motorola 10 MHz-4 GHz CMOS-Based CR Platform Maynooth Adaptable Radio System Currently Available Advanced SDR Platforms I Rice University WARP WARP radios include a Xilinx Virtex-II Pro FPGA board as well as a MAX2829 transceiver I Kansas University Agile Radio KUAR is a small form factor SDR platform containing a Xilinx Virtex-II Pro FPGA...
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This note was uploaded on 01/13/2011 for the course ECE 4305 taught by Professor Wy during the Spring '10 term at WPI.

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ece4305_L25 - Advanced SDR Implementations ECE4305:...

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