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Flexible rate split method for MIMO transmission

  • US 20050111376A1
  • Filed: 11/21/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/21/2003
  • Status: Active Grant
First Claim
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1. A method for transmitting a digital packet comprising:

  • encoding a plurality of N systematic bits across time into an encoded packet of size M bits;

    determining a quality of at least a first channel from a feedback circuit;

    dividing the encoded packet into a first transmission packet defining a first size M1 bits that includes N1 of the N systematic bits and a second transmission packet defining a second size M2 bits that includes N2 of the N systematic bits, wherein at least one of M1 and N1 is based on the determined quality of the first channel; and

    transmitting in parallel the first transmission packet from a first antenna at a first rate over the first channel and the second transmission packet from a second antenna at a second rate over a second channel, wherein M, M1, M2, N, N1 and N2 are all non-zero integers except one of N1 and N2 may be zero, M is greater than N, M is at least equal to M1+M2, and N is at least equal to N1+N2.

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