NDLI: Use of matched filters for serial acquisition in a fast frequency-hopping system

Content Provider	IEEE Xplore Digital Library
Author	Zein, N.F. Chambers, W.G. Clarkson, T.G.
Copyright Year	1990
Description	Author affiliation: Dept. of Electr. & Electron. Eng., King's Coll. London, UK (Zein, N.F.; Chambers, W.G.; Clarkson, T.G.)
Abstract	The uses of a transversal filter for serial acquisition in a 16000 hops/s covertly coded fast frequency-hopping radio was previously presented by Zein and Chambers (see IEEE MILCOM 89 Conf., p.49.4.1, 1989). The performance of this system is simulated using a bank of filters matched to the quasi-rectangular shapes of various widths of the received pulses. As a result of the simulation, it is found that the performance of the system when using a matched filter is not quite as good as the performance when using a transversal filter. The matched filter requires a longer time to calculate the four-way decision, since the response to the late pulses cannot be calculated until the last sample is received. It shows less sensitivity to errors in the threshold setting, and it can readily be adapted to act as the demodulator once synchronization has been achieved. The hardware implementation of the filter has been constructed in order to compare the actual performance with results from the simulation. The filter was implemented using the high-speed complex processors in the Plessey PDSP family and the MAC chip TMC2210.
Starting Page	161
Ending Page	165
File Size	310769
Page Count	5
File Format	PDF
DOI	10.1109/MILCOM.1990.117405
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-09-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Matched filters Transversal filters Spread spectrum communication Hardware Frequency synchronization Filter bank Frequency shift keying Cryptography Noise measurement Educational institutions
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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