top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

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

+5 votes
1,734 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

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button

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
Similar Questions
+2 votes

Heard this first time, and found the link at Wiki but its very mathematical to understand. Guys please help me to understand Spacial multiplexing in LTE

+1 vote

What is layer mapping in LTE?how it is different from TB to antenna mapping?

0 votes

I know these two are the transmission modes used in case of multiple antennas. I want to know any services as an example that use these two.

...