Nonuniform pulse quantization for multiplication-free correlation in ultra-wideband receivers

Khalil Naghdali; Serkan Dursun; David Akopian

doi:10.1117/12.778776

3 April 2008 Nonuniform pulse quantization for multiplication-free correlation in ultra-wideband receivers

Khalil Naghdali, Serkan Dursun, David Akopian

Proceedings Volume 6980, Wireless Sensing and Processing III; 698009 (2008) https://doi.org/10.1117/12.778776
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

Ultra-WideBand (UWB) communication is an emerging technology with many applications in short range broadcasting such as wireless home entertainment, accurate positioning, etc. Digital implementation of UWB radio is very challenging task as data are processed at very high rates, about 500Mbs or more, which is beyond the capabilities of modern digital signal processors. Thus, computationally cost efficient techniques should be developed to enable digital implementations. This paper presents a complexity reduction method in the digital baseband of receivers for pulsed ultra wide band (UWB) communication. In such receivers incoming signals are correlated with local pulses (masks) for data recovery. We observed that the quantization techniques preserving mask tales have a bit error rate (BER) performances very close to nonquantized version. A simple tale preserving mask quantizer has non-uniformly spaced power-of-two levels for multiplier free correlations. Such a simple tales preservation technique drastically reduced complexity as only shifts, additions and substractions are used in correlations.

Citation Download Citation

Khalil Naghdali, Serkan Dursun, and David Akopian "Nonuniform pulse quantization for multiplication-free correlation in ultra-wideband receivers", Proc. SPIE 6980, Wireless Sensing and Processing III, 698009 (3 April 2008); https://doi.org/10.1117/12.778776

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