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What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

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What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
posted Jul 26, 2017 by Karthick.c

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In LTE, the transport block size does not depend on the CFI, so if the CFI is changed, what will happen?

In LTE, the transport block size is a mapping of the CQI, MCS and the allocated PRB and does not depend on the CFI. So for the same TBSize (which means same CQI, MCS, allocated PRB), if the CFI is changed (as in case of dynamic CFI) what will happen? is the code rate will be increased or decreased?

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