Description  Claims  Drawing  Cited references 

US61679037   [0001] 
US61753731   [0001] 

3GPP Technical Specification (TS) 36.213, V10.1.0   [0058] 
3GPP TS 36.211 V10.1.0   [0155] 
3GPP TS 36.331 V11.2.0   [0228] 
3GPP TS 36.213, V11.1.0   [0228]