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Macro diversity using likelihood values

  • US 9,473,217 B2
  • Filed: 02/15/2010
  • Issued: 10/18/2016
  • Est. Priority Date: 02/15/2010
  • Status: Active Grant
First Claim
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1. A method in a serving base station comprising:

  • receiving a signal transmitted from a user equipment for the serving base station, said signal conveying coded bits;

    demodulating the signal to obtain demodulated soft bits corresponding to the coded bits;

    decoding the demodulated soft bits to obtain first likelihood values for information data bits encoded by the coded bits;

    receiving second likelihood values for the information data bits from a supporting base station that also received and decoded the signal transmitted from the user equipment for the serving base station;

    determining binary values for the information data bits by making hard bit decisions on combined likelihood values obtained by combining the first and second likelihood values, or by selecting the first or the second likelihood values for use in making the hard bit decisions, in dependence on determining whether the serving base station or the supporting base station received the information data with the least distortion.

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