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Consumed transmit power vs. differet MCS indices

in LteWorld Forum

Hello,

I was wondering is there any way to measure the consumed transmit power (in downlink) for a fix sized packet for different MCS indicies. Imagine eNB wants to send to a specific UEi a packet which size is Z bits. What is the difference of consumed power if I send this packet with a MCS = A in ONE TTI, and the other case where it sends the packet with MCS_prime = B (B < A) in TWO TTI?

Thanks in advance for any help
Hamed