The GPS system provides critical positioning capabilities to military, civil, and commercial users around the world. However, in many environments in which military operates (inside buildings, in urban canyons, under dense foliage, underwater, and underground) have limited or no GPS access. It can be significantly degraded or unavailable during solar …

The Li-Fi is a wireless communication system in which light is used as a carrier signal instead of traditional radio frequency as in Wi-Fi.  Li-Fi is a technology that utilizes a light emitting diode to transmit data wirelessly. LiFi works by switching LEDs on and off within nanoseconds to communicate …

Compact, low cost, accurate hostile fire detection (HFI) solutions are essential to effectively protect aircraft and combat vehicles against small arms, RPGs, mortars, anti-aircraft artillery, and surface to air missiles. Detecting and classifying these types of threats is complicated by many factors including the need for full 360 coverage, requirement …