Zimbabweans have reacted angrily after the country’s president signed a law that would force motorists to buy a radio permit ...

Abstract: For an efficient exploitation of the RF spectrum, very sophisticated analog-to-digital front-ends for modern cognitive-/software-defined radios featuring high sampling rate and dynamic range ...

Abstract: The trend toward increasing the data rate and providing the customers with wireless broadband access has initiated WIMAX systems. IEEE 802.16e, the mobile version of IEEE 802.16, provides ...