Timing Synchronisation for IR-UWB Communication Systems

The interest for Ultra Wide Band (UWB) technology is growing fast especially in the shortrange indoor wireless communication, for example, in wireless personal area networks (WPAN). The basic concept is to transmit and receive baseband impulse waveform streams of very low power density and ultra-short duration pulses (typically at nanosecond scale). These properties of UWB give rise to fine time resolution, rich multipath diversity, low probability of detection, enhanced penetration capability, high user-capacity, and potential spectrum compatibility with existing narrowband systems [1]. However, one of the most critical challenges in enabling the unique benefits of UWB transmissions is timing synchronization, because the transmitted pulses are narrow and have low power density under the noise floor [2].

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