Radar

The objective of this project is to improve detection of low Doppler targets in the ground-based Foliage Penetration Radar. The native radar system transmits a train of pulses and suffers from interference in the UHF band. We propose cognitive transmission to mitigate the radio-frequency interference and sub-Nyquist sampling to enhance the Doppler resolution to detect slowly moving targets. We focus on the transmission of sparse stepped-frequency continuous waveform (s-SFW) to...

Project description: A radar transmits electromagnetic waves in very short pulses and measures the returned power, time lag and frequency of em waves backscattered from targets as the pulse travels away from the radar. From the properties of the backscattered signal, one may obtain information such as location, velocity and size of the radar target. One of the advanced radar antennas in use today is phased array, which consists of...

In the race toward increasing data rates at cellular networks, mmWave MIMO (Multiple Input Multiple Output) systems are considered a leading candidate for 5G standard, the next generation of cellular technology. Using mmWave offers multiple advantages, such as channel bandwidths far greater than previously available and larger antenna arrays, but also arouse new difficulties such as expensive RF chains, and massive amount of data need to be processed digitally. This...