Scientists have explored that WiMAX has the potential to enhance the performance of the radar networks. With the idea of implementing MIMO (multi-input multi-output) communication technology for overcoming the challenges offered by hostile channel and environmental effects.It leads the technocrats to utilize this technology in radar operations. WiMAX MIMO can exploit the range of WiMAX and the ...

Emerging digital radar concepts such as orthogonal frequency-division multiplexing (OFDM) allow flexible signal generation. This opens up new opportunities in waveform design a multiple-input multiple-output (MIMO) system introducing coding for multiplexing. In this article, coded MIMO OFDM waveforms are proposed and investigated that continuous simultaneous wideband transmission all transmitte...

The time division multiple access (TDMA) technique has been applied in automotive multiple-input multiple-output (MIMO) radar. However, it suffers from the transmit energy loss, and as a result parameter estimation performance degradation when number of elements increases. To tackle these problems, beamspace (TB) Doppler (DDMA) approach is proposed. First, phase modulation matrix with empty spe...

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...

Abstract Multicarrier technology is widely used for improving the performance of beampattern synthesis in frequency diverse array multiple‐input and multiple‐output (FDA‐MIMO) Radar. However, how to use multicarrier achieve highly focussed still an open problem. To this end, authors first establish system model FDA‐MIMO radar with transmission analyse parameters influencing by Cramér–Rao lower ...

This paper deals with the problem of robust beamforming and target power estimation in presence main-lobe interference frequency division array multiple-input multiple-output (FDA-MIMO) radar by adopting a weighting matrix at receiving end. Based on semi-definite programming (SDP) to solve covariance matrix, we propose two methods for estimating when has position error. Then, obtaining performi...

Wideband multiple-input-multiple-output (MIMO) imaging radar can achieve high-resolution with a specific multi-antenna structure. However, its performance is severely affected by the array errors, including inter-channel errors and position of all transmitting receiving elements (TEs/REs). Conventional calibration methods are suitable for narrow-band signal model, cannot separate element from e...

In this article, we propose a space–time adaptive processing scheme via a generalized sidelobe canceler (GSC) architecture for airborne multiple-input multiple-output (MIMO) radar. This scheme employs the waveforms extracted by the matched filter bank that is cascaded at the receive end and utilizes digital beamforming technique to synthesize a certain number of transmit–receive beams, therefor...

This paper investigates the optimization of the coded orthogonal frequency division multiplexing (OFDM) transmitted signal in a synthetic aperture radar (SAR) context. We propose to design OFDM signals to achieve range ambiguity mitigation. Indeed, range ambiguities are well known to be a limitation for SAR systems which operates with pulsed transmitted signal. The ambiguous reflected signal co...