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Hier finden Sie wissenschaftliche Publikationen aus den FraunhoferInstituten. Estimation of deviations between the aperiodic and periodic correlation functions of polyphase sequences in vicinity of the zero shift
 Institute of Electrical and Electronics Engineers IEEE: Communications for a new millennium. Proceedings. Vol.1 : 2000 IEEE Sixth International Symposium on Spread Spectrum Techniques and Applications, 6  8 September 2000, Parsippany, NJ, USA Piscataway, NJ: IEEE, 2000 ISBN: 0780365607 S.283287 
 International Symposium on Spread Spectrum Techniques and Applications (ISSSTA) <6, 2000, Parsippany/NJ> 

 Englisch 
 Konferenzbeitrag 
 Fraunhofer HHI () 
 correlation methods; sequences; deviation estimation; periodic correlation function; aperiodic correlation function; polyphase sequences; zero shift; sequence construction; perfect periodic autocorrelation functions; upper bounds; aperiodic autocorrelation function 
Abstract
Methods of constructing sequences with favorable periodic correlation properties are widely known. Unfortunately, even if sequences have perfect periodic autocorrelation functions, their properties with respect to the aperiodic case can be very poor. In this paper, the behavior of the aperiodic correlation function of polyphase sequences is investigated if the corresponding periodic one is known. Particularly, upper bounds are provided that estimate deviations in terms of lPnorms (p=1, 2, infinity ) between these two correlation functions in the vicinity of the zero shift. Then, the aperiodic autocorrelation function of FrankZadoffChu (1972) sequences is investigated to show that the bounds cannot be considerably improved in a certain neighborhood of the zero shift.