Error-correcting codes for reliable communications in microgravity platforms
by Décio L. Gazzoni Filho; Taufik Abrão; Marcelo Carvalho Tosin; Francisco Granziera Jr.
International Journal of Satellite Communications Policy and Management (IJSCPM), Vol. 1, No. 2/3, 2012

Abstract: The PAANDA experiment was conceived to characterise the acceleration ambient of a rocket launched microgravity platform, specially the microgravity phase. The recorded data was transmitted to ground stations, leading to loss of telemetry information sent during the re-entry period. Traditionally, an error-correcting code for this channel consists of a block code with very large block size to protect against long periods of data loss. Instead, we propose the use of digital fountain codes along with conventional Reed-Solomon block codes to protect against long and short burst error periods, respectively. Aiming to use this approach for a second version of PAANDA to prevent data corruption, we propose a model for the communication channel based on information extracted from Cumã II's telemetry data, and simulate the performance of our proposed error-correcting code under this channel model. Simulation results show that nearly all telemetry data can be recovered, including data from the re-entry period.

Online publication date: Sat, 30-Aug-2014

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