NDLI: Correlation suppression performance for coherent signals in RD-SSP-MUSIC with a seven-element ESPAR antenna

Content Provider	IEEE Xplore Digital Library
Author	Hirata, A. Taillefer, E. Anono, T. Yamada, H. Ohira, T.
Copyright Year	2004
Abstract	This paper clarifies correlation suppression performance of RD (ReactanceDomain)-SSP (Spatial smoothing Preprocessing) -MUSIC in a radio environment where two coherent signals with perfect correlation impinge on a seven-element circular ESPAR (Electronically Steerable Parasitic Array Radiator) antenna from various sets of DOAs (Directions-Of-Arrival). The RD-SSP-MUSIC scheme has been proposed for the ESPAR antenna to estimate the DOAs of coherent signals by F/B (Forward-Backward) SSP utilizing three pairs of diamond-shaped snharrays. Simulation results show that the SSPOOO, which is one of the F/B SSP of the ESPAR antenna, can obtain a lower correlation toward two signals from 100 degrees and 120 degrees, compared with the signals from 160 degrees and 180 degrees. On the other hand, the signals with DOAs of 160 degrees and 180 degrees are distinguished by the SSPO60. That is, the variance of an angular resolution on two coherent signals from close DOAs to a parallel sliding direction is compensated by another type of snbarray. Moreover, we have found that the smallest angular distance distinguishable by the SSPOOO is 18.0 degrees given by a set of8l.O degrees and 99.0 degrees.
Starting Page	149
Ending Page	152
File Size	297843
Page Count	4
File Format	PDF
ISBN	1580539912
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-11
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	European Microwave Assoc.
Subject Keyword	Mutual coupling Array signal processing Signal processing algorithms Directive antennas Cities and towns Multiple signal classification Direction of arrival estimation Signal resolution Loaded antennas Antenna arrays
Content Type	Text
Resource Type	Article

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