Publications – Details
Noncoherent Coded Continuous Phase Modulation
- Authors:
- Gerald Enzner, Lutz H. J. Lampe, Robert Schober, and Johannes B. Huber
- Book Title:
- Proceedings of Aachen Symposium on Signal Theory
- Venue:
- Aachen, Germany
- Date:
- Sept. 2001
- Language:
- English
Abstract
We discuss convolutionally encoded continuous phase modulation (CPM) with noncoherent detection. Specifically, the application of a
feedback-free modulator is considered, which is perfectly suited to coded transmission. Demodulation employs a frequency-sampling receiver with reduced representation of the signal space, whereas the decoder makes use of reduced-state noncoherent sequence estimation (NSE). In particular, NSE means the application of recently proposed noncoherent per-survivor Viterbi processing. Recursive calculation of the implicit phase reference symbol is proposed in this paper to keep the NSE complexity low. Receiver front-end and NSE are optimized separately. The resulting performance is demonstrated by simulations.
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