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How many bits of shared channel data(PDSCH) available in one subframe?

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For suppose 64-QAM, and 20 MHZ BW .. how many data bits are available in one subframe? please provide the calculation?

posted Sep 12, 2016 by Suchakravarthi Sripathi

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1 Answer

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Hi,

:):)

In 20 MHZ BW Available RB's are 100 and Max using 64QAM we can send 75376 in TX-diversity, and 75376 * 2 in MIMO case.

answer Sep 12, 2016 by Jaganathan
Hi Jaganathan,
I am also looking for detailed calculation. Can you please elaborate, how this number came out ?
Hi,

You can refer this in 36.213 7.1.7.2.1 table, It is clearly given Rb's and MCS and Bits mapping.
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I'm a little confused about the description of RNTI values used for scrambling DL-SCH data in Section 7.1 of 36.213. My questions are the following,

a) From the Transmitter(eNB) perspective, how do we pick the right RNTI value for scrambling DL-SCH data as part of the PDSCH processing ?. To elaborate, Is the choice between C-RNTI, SI-RNTI, P-RNTI for c_init made based on Transmission Scheme ? How ?

b) What is the range ( in decimal values) corresponding to each of the above mentioned RNTI choices ?

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