Cooperative radar with signature method for unambiguity

Abstract

Abstract. The increasing availability of off-the-shelf high-frequency components makes radar measurement become popular in mainstream industrial applications. We present a cooperative FM radar for strongly reflective environments, being devised for a range of up to approx. 120 m. The target is designed with an unambiguous signature method and satisfies coherence. A prototype is built with commercial semiconductor components that operates in the 24 GHz industrial, scientific and medical band. First experimental results taken in sewage pipes are presented, using the target prototype and a standard FMCW radio station. An overview on four data acquisition procedures is given.

Coherent Automotive Radar Networks: The Next Generation of Radar-Based Imaging and Mapping

“…As a first example, systems that use an active backscatter transponder to modulate and retransmit received signals are considered in [33]. Via comparison of two sidebands symmetric to the modulation frequency, coherent wireless localization based on a synthetic aperture approach or suppression of passive clutter [34] becomes possible. This concept has also been applied to detect passive targets with enhanced information [35] and to increase the aperture of a MIMO radar [36].…”