Title :
A framework for computationally efficient detection of frequency hopped signals in non-cooperative environment
Author :
Ahmed, Furqan ; Khan, Shoab A.
Author_Institution :
Nat. Univ. of Sci .& Technol., Rawalpindi
Abstract :
We present framework of a channelized intercept receiver capable of detecting frequency hopped signals using a computationally efficient digital architecture. The signal is first digitized using a high speed, wide band, analog to digital convertor and all subsequent processing including channelization is done digitally. The channelized front end is designed using polyphase fast Fourier transform (FFT) technique which is highly efficient for separation and down conversion of equally spaced channels and hence suitable for the detection of frequency hopped signals. It also has a high degree of flexibility and can be reconfigured on the fly to intercept different frequency bands.
Keywords :
fast Fourier transforms; frequency hop communication; signal detection; channelized intercept receiver; computationally efficient detection; frequency hopped signals; non-cooperative environment; polyphase fast Fourier transform; Additive white noise; Detectors; Frequency; Probability; Radar detection; Radar signal processing; Radiometry; Signal detection; Signal processing; Wideband;
Conference_Titel :
Software, Telecommunications and Computer Networks, 2008. SoftCOM 2008. 16th International Conference on
Conference_Location :
Split
Print_ISBN :
978-953-6114-97-9
Electronic_ISBN :
978-953-290-009-5
DOI :
10.1109/SOFTCOM.2008.4669489