Method and device of estimating space arrival direction

Method and device of estimating space arrival direction

  • CN 101,119,147 A
  • Filed: 08/01/2006
  • Published: 02/06/2008
  • Est. Priority Date: 08/01/2006
  • Status: Active Grant
First Claim
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1. the method for estimation of a space arrival direction is applied to adopt the wireless communication system of intelligent antenna technology, it is characterized in that:

  • The ascending time slot that a calibration cycle comprises is set earlier counts M and update cycle T, a time slot comprises one or more update cycle T, after start-up space arrival direction DOA estimates, the update cycle in the ascending time slot in each calibration cycle and each ascending time slot is counted;

    Based on above-mentioned count value, in first update cycle of each first time slot of calibration cycle, adopt the maximum power value searching algorithm to find the solution the DOA estimated value, estimate initial value or corrected value as DOA;

    At this calibration cycle At All Other Times, adopt the optimal demodulation signal to differentiate algorithm and find the solution the DOA estimated value, estimate to realize tracking on initial value or the corrected value basis the DOA estimated value at DOA.

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