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What is the difference between Pmax and Pcompensation IE in LTE?

+1 vote
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What is the difference between Pmax and Pcompensation IE in LTE?
posted Mar 7, 2016 by Gnanendra Reddy

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During a LTE attach, MME may send the UE a EMM Information message with Universal time and local time zone IE. This IE contains Year, month, day, hour, min, sec.
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+3 votes

Following scenario tested :
UE is attached. Changed the value of Pmax from Zero to 20.

Observations :
eNodeB is sending SIB1 followed by paging message. SIB1 systemInfoValueTag is also changed.
As per 36.331 on modification of any SIB1 parameter, systemInfoValueTag should not be changed.

Questions :
Could you please clarify me, in what scenarios the systemInfoValuetag present in SIB1 should be changed and in which scenarios it should not be changed ?
Also how would the UE decode the system information in these scenarios ?

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