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What is codeword-to-layer-mapping for spatial multiplexing ?

+5 votes
849 views

I was looking out for some notes on LTE and saw this. I don't even have a minor idea what is this. But want to know if someone can explain me about this.

posted Apr 24, 2014 by Anamika

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1 Answer

+2 votes

From 36.321

For Downlink Layer Mapping:

enter image description here

Just to give you more intuitive understanding of these table shown above, I represented two typical items as illustration.

Following illustration is the case where the number of codeword is 2 and number of layer is 4.

enter image description here

Following illustration is the case where the number of codeword is 2 and number of layer is 8.

enter image description here

For Uplink Layer Mapping:

enter image description here

answer Apr 25, 2014 by Hiteshwar Thakur
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