Low-sampling-rate ultra-wideband digital receiver using equivalent-time sampling

Tarig Ballal, Tareq Y. Al-Naffouri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

In this paper, we propose an all-digital scheme for ultra-wideband symbol detection. In the proposed scheme, the received symbols are sampled many times below the Nyquist rate. It is shown that when the number of symbol repetitions, P, is co-prime with the symbol duration given in Nyquist samples, the receiver can sample the received data P times below the Nyquist rate, without loss of fidelity. The proposed scheme is applied to perform channel estimation and binary pulse position modulation (BPPM) detection. Results are presented for two receivers operating at two different sampling rates that are 10 and 20 times below the Nyquist rate. The feasibility of the proposed scheme is demonstrated in different scenarios, with reasonable bit error rates obtained in most of the cases.
Original languageEnglish (US)
Title of host publication2014 IEEE International Conference on Ultra-WideBand (ICUWB)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages321-326
Number of pages6
ISBN (Print)9781479953967
DOIs
StatePublished - Sep 2014

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