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Presently most signal processing technologies employed in impulse radio UWB transceivers are straightforward derivatives of those designed for conventional wireless transceivers. They appear not to take full advantage of some special features offered by the impulse radio UWB transceivers, such as ultra-wide bandwidth and very short duration pulses. To move beyond this shortcoming, in this paper, we...
In this paper, a blind narrowband interference (NBI) mitigation technique using the combination of a square law (SL) device and a band pass filter (BPF) is proposed for energy detection (ED) based ultra-wideband (UWB) receivers. Both theoretical analysis and computer simulations show that without requiring any prior knowledge about the NBI, the SL technique can considerably improve signal-to-interference...
In this paper, a differential code-shifted reference ultra-wideband (CSR UWB) transceiver has been proposed to reduce the power spent to transmit the reference pulse sequence so as to improve the bit-error rate performance of the systems. In the differential CSR UWB transceiver, by differentially encoding M information bits to be transmitted simultaneously, one data pulse sequence can be used as the...
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