Deep-Space Communications and Coding : A Marriage Made in Heaven

  title={Deep-Space Communications and Coding : A Marriage Made in Heaven},
  author={James L. Massey},
It is almost a quarter of a century since the launch in 1968 of NASA's Pioneer 9 spacecraft on the first mission into deep-space that relied on coding to enhance communications on the critical downlink channel. [The channel code used was a binary convolutional code that was decoded with sequential decoding--we will have much to say about this code in the sequel.] The success of this channel coding system had repercussions that extended far beyond NASA's space program. It is no exaggeration to… CONTINUE READING
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