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Optimized high rate space-time codes for wireless communication

  • US 7,366,248 B2
  • Filed: 07/26/2004
  • Issued: 04/29/2008
  • Est. Priority Date: 07/26/2004
  • Status: Expired due to Fees
First Claim
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1. A method of generating space-time codes for a transmission system comprising the steps of:

  • (i) selecting a set of initial coding parameters for the space-time code;

    (ii) simulating a series of observations based on a model of known communication channel characteristics and decoding the simulated series of observations using a selected receiver structure so as to compute a performance metric for the coding parameters;

    (iii) estimating a gradient for the performance metric as a function of the coding parameters;

    (iv) updating the coding parameters for the space-time code using the estimated gradient;

    (v) repeating steps (ii) through (iv) until an optimized set of coding parameters is obtained for the space-time code.

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