Quantization of UWB TR receiver with slightly frequency shifted reference

To eliminate the requirement for a delay unit capable of processing wideband signals in a conventional UWB transmitted reference (TR) receiver, the slightly frequency shifted (SFS) reference UWB signaling scheme has been proposed in the literature. Motivated by the flexibility of the digital systems and the availability of sophisticated digital signal processing circuits, this paper proposes a digital implementation of the SFS TR UWB receiver. Performance of such a digital receiver is derived and evaluated based on the channel measurements from the intra-vehicle environments.