In recent technological advancements, wireless communication systems play important roles in our life. An antenna is one of the necessary devices used in wireless communication. Currently, wireless communication systems ...

The demands for indoor location services are increasing due to rapid growth in the smart wireless systems with higher data rates. These systems require the development of indoor wireless networks with big data rate and ...

In recent years, the spectrum demand for wireless communication services and applications has been increasing drastically besides spectrum resource management and allocation have become a hot issue. Cognitive Radio ...