Proceedings of the 2014 International Conference on Mechatronics, Electronic, Industrial and Control Engineering 2014
DOI: 10.2991/meic-14.2014.302
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Abstract: In order to suppress the imaginary intrinsic part interference of OFDM/OQAM system in radio channel, a new pilot design approach is proposed. The new design approach can suppress the intrinsic imaginary interference in quasi-stationary channel and reduce the pilot peak power due to sparse data forms. This paper analyzes the reason why the imaginary intrinsic interference produces in the PLC (power line communication) channel and the new pilot eliminates the imaginary intrinsic interference. Compared with the p… Show more

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Cited by 5 publications
(1 citation statement)
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“…In both cases, one has to cope with the interference effect that is intrinsic to FBMC/OQAM and is well known to present a significant challenge when channels of a non-negligible frequency selectivity are to be estimated [5]. Although considerable advances in preamble-based estimation of highly frequency selective channels have been recently reported (e.g., [5]), the assumption of low frequency selectivity is crucial in almost all of the scattered pilot-based approaches, including techniques based on canceling /approximating the unknown intrinsic interference [7,15,16] and those relying on the so-called help or auxiliary pilot (AP) idea [6] and variants thereof [8,9,10,11,14,17]. The latter consists in choosing the value of a symbol neighboring the pilot one so that the interference to the pilot is (almost) null.…”
Section: Introductionmentioning
confidence: 99%
“…In both cases, one has to cope with the interference effect that is intrinsic to FBMC/OQAM and is well known to present a significant challenge when channels of a non-negligible frequency selectivity are to be estimated [5]. Although considerable advances in preamble-based estimation of highly frequency selective channels have been recently reported (e.g., [5]), the assumption of low frequency selectivity is crucial in almost all of the scattered pilot-based approaches, including techniques based on canceling /approximating the unknown intrinsic interference [7,15,16] and those relying on the so-called help or auxiliary pilot (AP) idea [6] and variants thereof [8,9,10,11,14,17]. The latter consists in choosing the value of a symbol neighboring the pilot one so that the interference to the pilot is (almost) null.…”
Section: Introductionmentioning
confidence: 99%