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RECEIVER APPARATUS FOR USE IN OPTICAL SPACE TRANSMISSION SYSTEM

  • US 20090097856A1
  • Filed: 04/03/2007
  • Published: 04/16/2009
  • Est. Priority Date: 04/04/2006
  • Status: Abandoned Application
First Claim
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1. A receiver apparatus, for use in an optical space transmission, operable to receive a plurality of optical signals which are converted from a plurality of transmission electrical signals and emitted through space, the receiver apparatus comprising:

  • a plurality of light receiving sections for receiving the plurality of optical signals and respectively converting the received plurality of optical signals to a plurality of electrical signals;

    a first calculating section for subjecting the plurality of electrical signals to a process of canceling interference components occurring due to propagation of the plurality of optical signals through the space; and

    a second calculating section for calculating, with respect to each of the plurality of electrical signals whose interference components have been canceled by the first calculating section, whether or not a value of a distortion occurring due to optical beat interference is less than or equal to a predetermined permissible value.

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