Virtual MIMO RADAR using OFDM-CDM Waveforms

Zazo Bello, Santiago and Béjar Haro, Benjamín and Grajal de la Fuente, Jesús (2008). Virtual MIMO RADAR using OFDM-CDM Waveforms. In: "IEEE Radar Conference 2008", 26/05/2008-30/05/2008, Roma, Italia. ISBN 978-1-4244-1538-0.


Title: Virtual MIMO RADAR using OFDM-CDM Waveforms
  • Zazo Bello, Santiago
  • Béjar Haro, Benjamín
  • Grajal de la Fuente, Jesús
Item Type: Presentation at Congress or Conference (Article)
Event Title: IEEE Radar Conference 2008
Event Dates: 26/05/2008-30/05/2008
Event Location: Roma, Italia
Title of Book: Proceedings of IEEE Radar Conference 2008
Date: 2008
ISBN: 978-1-4244-1538-0
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Señales, Sistemas y Radiocomunicaciones
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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This paper addresses a new perspective on the exploitation ofdiversity resembling recent seminal proposals with multiple antennas known as MIMO radar. Our focus pursues similar advantages as spatial MIMO systems but intending to achieve the desired resistance over fading or/and SNR increase without relying on multiple antennas. We design an OFDM-CDM waveform well inspired in modern communications systems that creates a virtual MIMO system operating on the artificial 2D domain formed by a set ofwell separated carriers (OFDM) and several OFDM symbols each one modulated by orthogonal codes (CDM). We consider the most general scenario with moving targets and large size targets originating an equivalent time variant andfrequency selective channel model. Our proposal proceeds in two steps, a first one to reorthogonalize the transmitted set of OFDMsignal by proper time andfrequency synchronization (this stage provides range and velocity estimators), and a second one based on Neyman Pearson detection improved by the diversity gain.

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Item ID: 4222
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Deposited by: Memoria Investigacion
Deposited on: 23 Sep 2010 10:37
Last Modified: 20 Apr 2016 13:32
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