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Serially concatenated continuous phase modulation with low density generator matrix codes: Property, optimization and performance analysis
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-5407-0835
2005 (English)In: Proceedings of the IEEE ITSOC Information Theory Workshop 2005 on Coding and Complexity, NEW YORK: IEEE , 2005, 253-257 p.Conference paper (Refereed)
Abstract [en]

We propose a new scheme of serially concatenated continuous phase modulation (SCCPM) by using nonsystematic low density generator matrix (LDGM) codes as the outer code. A property of the LDGM code degree is investigated. We use the EXIT chart/function to optimize the LDGM codes. The EXIT function of CPM with a fixed SNR (Signal-to-Noise-Ratio) is shown. We derive the union bound to analyze the error floor performance. Design principles are proposed from the analysis process. Numerical results show that this scheme converges earlier (lower SNR) than previous SCCPM for iterative decoding.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2005. 253-257 p.
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-29001DOI: 10.1109/ITW.2005.1531899ISI: 000235213600057OAI: diva2:395572
Information Theory Workshop on Coding and Complexity Rotorua, NEW ZEALAND, AUG 29-SEP 01, 2005
QC 20110207Available from: 2011-02-07 Created: 2011-01-25 Last updated: 2011-11-08Bibliographically approved

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