Computer Science – Information Theory
Scientific paper
2012-01-09
Computer Science
Information Theory
13 pages, 3 figures, paper accepted to be published in International Journal of Satellite Communications Policy and Management
Scientific paper
The PAANDA experiment was conceived to characterize 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 reentry 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 Cum\~a 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 reentry period.
Francisco Granziera Jr.
Abrão Taufik
Gazzoni Filho Décio L.
Tosin Marcelo C.
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