IR-UWB Radio Architecture for Wireless Sensors Network Based on Pilot Signal Assisted MAC

Due to low power consumption and strength to multipath fading Impulse Radio-UWB is an excellent platform for the short-range wireless communication. One of the most promising Radio architecture for impulse radio based communications is RAKE. But as RAKE requires CSI (Channel State Information) for the signal processing (which consumes extra energy), it is not an ideal choice for Wireless Sensor Network. In this research we have proposed light weight UWB Radio architecture specifically for WSN. We have compared its performance with the traditional RAKE architecture and results show that our proposed architecture well suits to Wireless Sensors Network and works better than RAKE for indoor short range UWB based WSN applications. Our suggested architecture was tested with Pilot Signal Assisted MAC (medium access control) algorithm and is found very well-matched with WSN´s MAC needs.