All the Procedure's for an LTE UE in CS and PS mode along with multi RAB combination are as below.
Spec: 34.108
 
Spec: 34.108
| 
   
7.3.2.3.1 For UE Supporting CS 
 | 
 ||||
| 
   
Step 
 | 
  
   
Direction 
 | 
  
   
Message 
 | 
  
   
Comments 
 | 
 |
| 
   
UE 
 | 
  
   
SS 
 | 
 |||
| 
   
1 
 | 
  
   | 
  
   
SYSTEM INFORMATION (BCCH) 
 | 
  
   
Broadcast 
 | 
 |
| 
   
2 
 | 
  
   | 
  
   
PAGING TYPE1 (PCCH) 
 | 
  
   
Paging (CS domain, TMSI) 
 | 
 |
| 
   
3 
 | 
  
   | 
  
   
RRC CONNECTION REQUEST (CCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
4 
 | 
  
   | 
  
   
RRC CONNECTION SETUP (CCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
5 
 | 
  
   | 
  
   
RRC CONNECTION SETUP COMPLETE (DCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
6 
 | 
  
   | 
  
   
PAGING RESPONSE 
 | 
  
   
RR 
 | 
 |
| 
   
7 
 | 
  
   | 
  
   
AUTHENTICATION REQUEST 
 | 
  
   
MM 
 | 
 |
| 
   
8 
 | 
  
   | 
  
   
AUTHENTICATION RESPONSE 
 | 
  
   
MM 
 | 
 |
| 
   
9 
 | 
  
   | 
  
   
SECURITY MODE COMMAND 
 | 
  
   
RRC 
 | 
 |
| 
   
10 
 | 
  
   | 
  
   
SECURITY MODE COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
11 
 | 
  
   | 
  
   
ACTIVATE RB TEST MODE 
 | 
  
   
TC 
 | 
 |
| 
   
12 
 | 
  
   | 
  
   
ACTIVATE RB TEST MODE COMPLETE 
 | 
  
   
TC 
 | 
 |
| 
   
13 
 | 
  
   | 
  
   
RADIO BEARER SETUP 
 | 
  
   
RAB SETUP 
 | 
 |
| 
   
14 
 | 
  
   | 
  
   
RADIO BEARER SETUP COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
15 
 | 
  
   | 
  
   
CLOSE UE TEST LOOP (DCCH) 
 | 
  
   
TC (UE test loop mode set up) 
 | 
 |
| 
   
16 
 | 
  
   | 
  
   
CLOSE UE TEST LOOP COMPLETE 
 | 
  
   
TC (confirms that loopback entities for the 
radio bearer(s) have been created and 
loop back is activated) 
 | 
 |
| 
   
17 
 | 
  
   | 
  
   
OPEN UE TEST LOOP 
 | 
  
   
TC 
 | 
 |
| 
   
18 
 | 
  
   | 
  
   
OPEN UE TEST LOOP COMPLETE 
 | 
  
   
TC 
 | 
 |
| 
   
19 
 | 
  
   | 
  
   
RRC CONNECTION RELEASE 
 | 
  
   
RRC 
 | 
 |
| 
   
20 
 | 
  
   | 
  
   
RRC CONNECTION RELEASE COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
7.3.2.3.2 For UE supporting PS only 
 | 
 ||||
| 
   
Step 
 | 
  
   
Direction 
 | 
  
   
Message 
 | 
  
   
Comments 
 | 
 |
| 
   
UE 
 | 
  
   
SS 
 | 
 |||
| 
   
1 
 | 
  
   | 
  
   
SYSTEM INFORMATION (BCCH) 
 | 
  
   
Broadcast 
 | 
 |
| 
   
2 
 | 
  
   | 
  
   
PAGING TYPE1 (PCCH) 
 | 
  
   
Paging (PS domain, P-TMSI) 
 | 
 |
| 
   
3 
 | 
  
   | 
  
   
RRC CONNECTION REQUEST (CCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
4 
 | 
  
   | 
  
   
RRC CONNECTION SETUP (CCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
5 
 | 
  
   | 
  
   
RRC CONNECTION SETUP COMPLETE (DCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
6 
 | 
  
   | 
  
   
SERVICE REQUEST 
 | 
  
   
GMM 
 | 
 |
| 
   
7 
 | 
  
   | 
  
   
AUTHENTICATION AND CIPHERING REQUEST 
 | 
  
   
GMM 
 | 
 |
| 
   
8 
 | 
  
   | 
  
   
AUTHENTICATION AND CIPHERING RESPONSE 
 | 
  
   
GMM 
 | 
 |
| 
   
9 
 | 
  
   | 
  
   
SECURITY MODE COMMAND 
 | 
  
   
RRC 
 | 
 |
| 
   
10 
 | 
  
   | 
  
   
SECURITY MODE COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
11 
 | 
  
   | 
  
   
ACTIVATE RB TEST MODE 
 | 
  
   
TC 
 | 
 |
| 
   
12 
 | 
  
   | 
  
   
ACTIVATE RB TEST MODE COMPLETE 
 | 
  
   
TC 
 | 
 |
| 
   
13 
 | 
  
   | 
  
   
RADIO BEARER SETUP 
 | 
  
   
RRC (RAB SETUP) 
 | 
 |
| 
   
14 
 | 
  
   | 
  
   
RADIO BEARER SETUP COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
15 
 | 
  
   | 
  
   
CLOSE UE TEST LOOP (DCCH) 
 | 
  
   
TC (UE test loop mode set up) 
 | 
 |
| 
   
16 
 | 
  
   | 
  
   
CLOSE UE TEST LOOP COMPLETE 
 | 
  
   
TC (confirms that loopback entities for 
the radio bearer(s) have been created 
and loop back is activated) 
 | 
 |
| 
   
17 
 | 
  
   | 
  
   
OPEN UE TEST LOOP TC 
 | 
  
   
TC 
 | 
 |
| 
   
18 
 | 
  
   | 
  
   
OPEN UE TEST LOOP COMPLETE 
 | 
  
   
TC 
 | 
 |
| 
   
19 
 | 
  
   | 
  
   
RC CONNECTION RELEASE 
 | 
  
   
RRC 
 | 
 |
| 
   
20 
 | 
  
   | 
  
   
RC CONNECTION RELEASE COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
7.3.2.3.3 For CS+PS multi RAB combination 
 | 
 ||||
| 
   
Step 
 | 
  
   
Direction 
 | 
  
   
Message 
 | 
  
   
Comments 
 | 
 |
| 
   
UE 
 | 
  
   
SS 
 | 
 |||
| 
   
1 
 | 
  
   | 
  
   
SYSTEM INFORMATION (BCCH) 
 | 
  
   
Broadcast 
 | 
 |
| 
   
2 
 | 
  
   | 
  
   
PAGING TYPE1 (PCCH) 
 | 
  
   
Paging (CS domain, TMSI) 
 | 
 |
| 
   
3 
 | 
  
   | 
  
   
RRC CONNECTION REQUEST (CCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
4 
 | 
  
   | 
  
   
RRC CONNECTION SETUP (CCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
5 
 | 
  
   | 
  
   
RRC CONNECTION SETUP COMPLETE (DCCH) 
 | 
  
   
RRC 
 | 
 |
| 
   
6 
 | 
  
   | 
  
   
PAGING RESPONSE 
 | 
  
   
RR 
 | 
 |
| 
   
7 
 | 
  
   | 
  
   
AUTHENTICATION REQUEST 
 | 
  
   
MM 
 | 
 |
| 
   
8 
 | 
  
   | 
  
   
AUTHENTICATION RESPONSE 
 | 
  
   
MM 
 | 
 |
| 
   
9 
 | 
  
   | 
  
   
SECURITY MODE COMMAND 
 | 
  
   
RRC 
 | 
 |
| 
   
10 
 | 
  
   | 
  
   
SECURITY MODE COMPLETE 
 | 
  
   
RRRC 
 | 
 |
| 
   
11 
 | 
  
   | 
  
   
PAGING TYPE2 (DCCH) 
 | 
  
   
TMSI(GSM-MAP)/P-TMSI 
 | 
 |
| 
   
12 
 | 
  
   | 
  
   
SERVICE REQUEST 
 | 
  
   
GMM 
 | 
 |
| 
   
13 
 | 
  
   | 
  
   
SECURITY MODE COMMAND 
 | 
  
   
RRC 
 | 
 |
| 
   
14 
 | 
  
   | 
  
   
SECURITY MODE COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
15 
 | 
  
   | 
  
   
ACTIVATE RB TEST MODE 
 | 
  
   
TC 
 | 
 |
| 
   
16 
 | 
  
   | 
  
   
ACTIVATE RB TEST MODE COMPLETE 
 | 
  
   
TC 
 | 
 |
| 
   
17 
 | 
  
   | 
  
   
RADIO BEARER SETUP 
 | 
  
   
RRC CS radio bearer(s) are configured 
 | 
 |
| 
   
18 
 | 
  
   | 
  
   
RADIO BEARER SETUP COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
19 
 | 
  
   | 
  
   
RADIO BEARER SETUP 
 | 
  
   
RRC PS radio bearer(s) are configured 
 | 
 |
| 
   
20 
 | 
  
   | 
  
   
RADIO BEARER SETUP COMPLETE 
 | 
  
   
RRC 
 | 
 |
| 
   
21 
 | 
  
   | 
  
   
CLOSE UE TEST LOOP (DCCH) 
 | 
  
   
TC (UE test loop mode set up) 
 | 
 |
| 
   
22 
 | 
  
   | 
  
   
CLOSE UE TEST LOOP COMPLETE 
 | 
  
   
TC (confirms that loopback entities for the
  radio bearer(s) have been created and loop back is activated) 
 | 
 |
| 
   
23 
 | 
  
   | 
  
   
OPEN UE TEST LOOP 
 | 
  
   
TC 
 | 
 |
| 
   
24 
 | 
  
   | 
  
   
OPEN UE TEST LOOP COMPLETE 
 | 
  
   
TC 
 | 
 |
| 
   
25 
 | 
  
   | 
  
   
RRC CONNECTION RELEASE 
 | 
  
   
RRC 
 | 
 |
| 
   
26 
 | 
  
   | 
  
   
RRC CONNECTION RELEASE COMPLETE 
 | 
  
   
RRC 
 | 
 |
Link http://www.etsi.org/deliver/etsi_ts/134100_134199/134108/12.01.00_60/ts_134108v120100p.pdf