Description     Claims     Drawing  

US20150282213A1   [0007] 
WO2015016754A1   [0008] 
US20130286958A1   [0009] 

3GPP TS 36.300 V12.8.0   [0006] 
3GPP TS 36.321 V12.8.0   [0006] 
3GPP TR 23.720 VI.2.0   [0006] 
3GPP TS 36.331 V12.8.0   [0006]