UWB radars based on wavelet packet OFDM signals

Author

Mohseni, R. ; Sheikhi, A. ; Shirazi, M. A Masnadi

Author_Institution

Dept. of Commun. Eng., Shiraz Univ. of Technol., Shiraz

Volume

2

fYear

2008

fDate

10-12 Sept. 2008

Firstpage

89

Lastpage

92

Abstract

Multicarrier modulation is a popular technique for ultra wideband signal design in high range resolution radars. Specially, Orthogonal Frequency Division Multiplexing (OFDM) radar signals, because of their prominent properties such as favourable ambiguity function and high spectral efficiency have been recently of interest of many researchers. The main purpose of this paper is to replace the conventional OFDM multi-carrier modulation with orthogonal wavelet division multiplexing (OWDM) in order to get a more flexible signal design approach for radar applications. The feasibility of this signalling as a radar pulse compression technique is studied, and some wavelet OFDM codes with favourable autocorrelation and ambiguity functions are introduced.

Keywords

OFDM modulation; ultra wideband radar; wavelet transforms; UWB radars; high range resolution radars; multicarrier modulation; orthogonal frequency division multiplexing; orthogonal wavelet division multiplexing; radar applications; wavelet packet OFDM signals; Bandwidth; Design engineering; Modulation coding; OFDM modulation; Phase change materials; Signal design; Signal resolution; Ultra wideband radar; Wavelet domain; Wavelet packets;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultra-Wideband, 2008. ICUWB 2008. IEEE International Conference on

Conference_Location

Hannover

Print_ISBN

978-1-4244-2216-6

Electronic_ISBN

978-1-4244-1827-5

Type

conf

DOI

10.1109/ICUWB.2008.4653358

Filename

4653358