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Orthogonal Frequency Division Multiplexing (OFDM) can provide a flexible usage of the spectrum by controlling individual sub carriers. Sets of sub carriers can be zero-modulated to avoid interfering narrowband primary users, making OFDM a strong candidate for Cognitive Radio implementations. This paper presents the design and implementation of a(More)
There are many instances where it is desirable or even essential to rapidly build a functional radio receiver to recover symbols from an unknown modulated source. The term " Rapid Radio " refers to a demonstrable analysis environment and receiver implementation methodology for rapid deployment. An automated tool for signal analysis requires several stages(More)
In this paper the RapidRadio framework for signal classification and receiver deployment is discussed. The frame- work is a productivity enhancing tool that reduces the required knowledge-base for implementing a receiver on an FPGA-based SDR platform. The ultimate objective of this framework is to identify unknown signals and to build FPGA-based receivers(More)
— An analysis-based framework for the rapid development of a radio receiver for signals with unknown parameters is proposed , exploiting the reconfiguration capabilities of FPGAs. The framework guides a non-expert user through the process of signal classification and FPGA-based receiver implementation. System efficiency is traded off with implementation(More)
—Cognitive Radio and signal intelligence (SIGINT) applications require radios to perform situation-awareness functions , as spectrum sensing to detect the spectral occupation. In more advanced systems, for SIGINT and for interference cancellation purposes, a radio receiver may need to classify an otherwise unknown signal without prior information about its(More)