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Operating band is specified in SIB1 downlink channel upon which UE receives system info, why?

+1 vote
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operating band is specified in SIB1 downlink channel upon which ue receives system info..why ? Can any one help on a brief explanation!

posted Apr 2, 2018 by Yeshwanth

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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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