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Carrier Recovery Circuit Using Periodically Inserted Deterministic Symbols for a Turbo-Coded Binary PSK Signal

Shigeo NAKAJIMA, Eiichi SATO

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Summary :

This paper is intended to provide reliable carrier recovery in environments with a very low C/N (carrier-to-noise power ratio). A demodulation scheme using a carrier recovery circuit supported by frame symbols (CRC-PIDS) is proposed. This scheme uses a recovery order of clock, frame, and carrier, which is effective for carrier recovery in a low C/N channel, and enables coherent detection without differential coding. This paper also evaluates the bit-error-rate (BER) performance of the proposed scheme used with a binary PSK signal with a rate-1/3 4-state turbo code. Computer simulation trials show that the BER performance difference between ideal and practical coherent detections is about 0.2 dB, and that carrier recovery is reliable even at a C/N of -4.8 dB.

Publication
IEICE TRANSACTIONS on Communications Vol.E84-B No.5 pp.1337-1343
Publication Date
2001/05/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Wireless Communication Technology

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