Rate-Compatible, Bandwidth-Efficient, Low-Density Parity-Check (LDPC) Codes for Aeronautical Telemetry

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Detalles Bibliográficos
Publicado en:	Entropy vol. 26, no. 12 (2024), p. 1045
Autor principal:	Cummins, Andrew D
Otros Autores:	Mitchell, David G M, Perrins, Erik
Publicado:	MDPI AG
Materias:	Aeronautics Channel capacity Simulation Telemetry Decoding Error correction & detection Parity Low density parity check codes Pulse code modulation Design Quadrature phase shift keying Codes Frequency modulation Error correcting codes
Acceso en línea:	Citation/Abstract Full Text + Graphics Full Text - PDF
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Descripción
Resumen:	Low-density parity-check (LDPC) codes form part of the IRIG-106 standard and have been successfully deployed for the Telemetry Group version of shaped-offset quadrature phase shift keying (SOQPSK-TG) modulation. Recently, LDPC code solutions have been proposed and optimized for continuous phase modulations (CPMs), including pulse code modulation/frequency modulation (PCM/FM) and the multi-h CPM developed by the Advanced-Range TeleMetry program (ARTM CPM), the latter of which was shown to perform around one dB from channel capacity. In this paper, we consider the effect of the random puncturing and shortening of these LDPC codes to further improve spectrum efficiency. We perform asymptotic analyses of the ARTM0 code ensembles and present numerical simulation results that affirm the robust decoding performance promised by LDPC codes designed for ARTM CPM.
ISSN:	1099-4300
DOI:	10.3390/e26121045
Fuente:	Engineering Database