The MIMO (multiple-input multiple-output) systems have gained popularity and attracted attention of late for their ability to enhance all areas of system performance. Inspired by the success of MIMO systems in communications, several publications have advocated the concept of new MIMO emerging active sensing radar technology from the system implementation point of view, as well as for signal pr...

A novel method to generate optical beams using on-chip silicon nanophotonic antenna arrays with engineered phase and amplitude is demonstrated. An 8×8 nanophotonic phased array to generate and manipulate Gaussian beams is shown. ©2013 Optical Society of America OCIS codes: (130.3120) Integrated Optics Devices; (280.5110) Phased-array Radar

This paper explores the bene"t of combining the data of a microwave phased-array radar with those of a low-frequency radar to detect and track a target with a low radar cross-section. The microwave phased-array radar has a fairly good target location accuracy that can be fruitfully combined with the good detection capabilities of the low-frequency radar. One technical problem to solve is the de...

Phased arrays have long been used by the military for radar applications, but have only been recently applied to consumer applications. In a phased array system, one or more narrow beams are generated by transmitting (or receiving) a common RF signal that is phase shifted at the output of each antenna in the array such that the direction of the beams can be varied by controlling the phase diffe...

The transmit array of multi-overlapped-transmit-subarray configured bistatic multiple-input multiple-output (MOTS MIMO) radar is partitioned into a number of overlapped subarrays, which is different from the traditional bistatic MIMO radar. In this paper, a new unitary ESPRIT scheme for joint estimation of the direction of departure (DOD) and the direction of arrival (DOA) for MOTS MIMO radar i...

Thinned phased array antenna is useful for Radar and satellite communications. Main drawback of phased array antenna is generation of side lobes and grating lobes when the beam is titled from broadside direction toward the end-fire direction. This paper reports the optimization of thinned phased array antenna using genetic algorithm (GA). By varying the tilt angle form broadside direction main ...

Casualties due to traffic accidents are increasing day by day. Think of this message being displayed on your computer screen while you were driving “there’s a possibility of collision with a car in the next few minutes if you go on driving with this speed and direction”. Our research is intended towards developing collision avoidance architecture for the latest Intelligent Transport System. The...

Duly, Andrew Jason Ph.D., Purdue University, December 2013. Transmit Signal Design for MIMO Radar and Massive MIMO Channel Estimation. Major Professors: David J. Love and James V. Krogmeier. The widespread availability of antenna arrays and the capability to independently control signal emissions from each antenna make transmit signal design increasingly important for radar and wireless communi...