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MIMO Satellite Spread Spectrum Communication System Based on LDPC

  • 2014-03-05
  • 529.03KB
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The application of MIMO technology in satellite communication systems mainly faces two problems: co-channel interference and noise. This paper introduces a MIMO satellite communication linear detection system that overcomes co-channel interference. In order to solve the above problems, spread spectrum technology and LDPC coding close to the Shannon limit are introduced at the input end, and despreading and decoding are performed at the output end, which not only reduces co-channel interference, but also significantly weakens noise, thereby achieving good performance.

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