Blind symbol timing recovery in the presence of IQ mismatch and DC offset

Recovery of the symbol timing is of paramount importance in digital receivers. In this context, carrier-blind and non-data-aided algorithms are of particular interest, with Oerder-Meyr and Gardner algorithms as most prominent examples. On the other hand, it is to admit that direct-conversion receive...

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Published in:2014 9th International Symposium on Communication Systems, Networks & Digital Sign (CSNDSP) pp. 1133 - 1138
Main Authors: Gappmair, Wilfried, Koudelka, Otto
Format: Conference Proceeding
Language:English
Published: IEEE 01.07.2014
Subjects:
Communication systems
Context
DC offset
Detectors
Direct-conversion receivers
IQ mismatch
Jitter
Receivers
Symbol timing recovery
Synchronization
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Abstract Recovery of the symbol timing is of paramount importance in digital receivers. In this context, carrier-blind and non-data-aided algorithms are of particular interest, with Oerder-Meyr and Gardner algorithms as most prominent examples. On the other hand, it is to admit that direct-conversion receivers represent a most attractive solution for modern communication systems, which is mainly due to their small package size and the reduced power consumption. Scanning the open literature, it turned out quickly that waveform-related topics, like pulse shaping and symbol timing recovery, have not been addressed so far with regard to direct-conversion receivers. Motivated by this background, this particular issue is investigated in the current paper. The focus is on the estimator and detector characteristic of Oerder-Meyr and Gardner algorithms, but also on the jitter variance as the major figures of merit in this respect.
AbstractList Recovery of the symbol timing is of paramount importance in digital receivers. In this context, carrier-blind and non-data-aided algorithms are of particular interest, with Oerder-Meyr and Gardner algorithms as most prominent examples. On the other hand, it is to admit that direct-conversion receivers represent a most attractive solution for modern communication systems, which is mainly due to their small package size and the reduced power consumption. Scanning the open literature, it turned out quickly that waveform-related topics, like pulse shaping and symbol timing recovery, have not been addressed so far with regard to direct-conversion receivers. Motivated by this background, this particular issue is investigated in the current paper. The focus is on the estimator and detector characteristic of Oerder-Meyr and Gardner algorithms, but also on the jitter variance as the major figures of merit in this respect.
Author Koudelka, Otto
Gappmair, Wilfried
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  givenname: Otto
  surname: Koudelka
  fullname: Koudelka, Otto
  organization: Inst. of Commun. Networks & Satellite Commun., Graz Univ. of Technol., Graz, Austria
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Snippet Recovery of the symbol timing is of paramount importance in digital receivers. In this context, carrier-blind and non-data-aided algorithms are of particular...
SourceID ieee
SourceType Publisher
StartPage 1133
SubjectTerms Communication systems
Context
DC offset
Detectors
Direct-conversion receivers
IQ mismatch
Jitter
Receivers
Symbol timing recovery
Synchronization
Title Blind symbol timing recovery in the presence of IQ mismatch and DC offset
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