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This paper reports a multi-functional 60-GHz system which performs promising performances for short-range automotive applications such as short range RADAR with communication abilities. Experimental results validate the ability of the topology to transmit high speed data in the millimetre-wave (MMW) frequency band using Pulse Position Modulation (PPM). Using the same front-end, a positioning functionality...
In this paper an approach will be presented that allows for estimating the velocity of multiple reflecting objects with standard OFDM communication signals. The proposed technique does not require any specific coding of the transmit signal and provides high dynamic range and low sidelobe levels. This allows for an efficient acquisition of velocity information in joint communication and radar systems...
This paper describes a millimeter wave quadrature down-converter module based on the interferometric principle. The computer model of the six-port interferometer is implemented using S-parameter measurements of a 90° hybrid coupler fabricated on thin alumina substrate. This model is validated by full two-port measurements of the six-port. Down-converter error vector modulation results are analyzed...
This work deals with a comparison between multi-beam leaky-wave and slotted waveguide pillbox antennas. The antenna systems present the same pillbox architecture: feeding part, quasi-optical system and radiating part. Two different radiating parts are considered: a leaky-wave solution and an array of slotted waveguides. In particular, an array of slots etched on the uppermost metal layer of the pillbox...
Automotive radars are becoming widespread for safety reasons. However their effectiveness remains doubtful since even a metal car does not have strong RCS over all angles of its body. For reduction of traffic accidents, the solution is not only surveying around car-body but also making vehicles easily visible to drivers by means of radar and other luminous sources. This paper introduces a lens antenna...
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