Wireless networks are subject to various losses that weakens the signal. Calculating such factors and implementing methods that reduces the losses of received signal is a filed I am interested in.

The modern age environment is filled with signals emitted from a variety of sources ranging from cellular  devices to wi-fi routers. These signals are not all used and it lingers in the environment as ambient signal;. Such ambient signal can be re-used by harvesting through different meta materials. Harvested power can be useful in many renewable ways for the betterment of Humanity.