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

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 modu...

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Bibliographic Details
Published in:Entropy (Basel, Switzerland) Vol. 26; no. 12; p. 1045
Main Authors: Cummins, Andrew D., Mitchell, David G. M., Perrins, Erik
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 30.11.2024
MDPI
Subjects:
Aeronautics
Analysis
avionics
Channel capacity
Codes
Decoding
Design
Error correcting codes
Error correction & detection
FEC
Frequency modulation
IRIG
LDPC codes
Low density parity check codes
Numerical analysis
Parity
Pulse code modulation
Quadrature phase shift keying
Simulation
Simulation methods
spectral efficiency
Telemetry
United States
puncturing
iterative decoding
FEC
IRIG
shortening
spectral efficiency
telemetry
avionics
LDPC codes
ISSN:1099-4300, 1099-4300
Online Access:Get full text
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Summary: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.
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This paper is an extended version of “Spectrally Efficient LDPC Codes for IRIG-106 Waveforms via Random Puncturing”, presented at the International Foundation for Telemetering, Glendale, AZ, October 21–24, 2024.
ISSN:1099-4300
1099-4300
DOI:10.3390/e26121045