ZTE Corporation ZXG-BTS2 Benutzerhandbuch

 
ZXG10-BTS (V2.9) Technical Manual 

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1.  Link establishment indication procedure: The BTS informs the BSC that 

a multi-frame mode link initiated by MS is set up successfully through 
this procedure. Through this indication, the BSC establishes an SCCP 

link to the MSC. 

2.  Link establishment request procedure: With this procedure, the BSC 

requests to establish a multi-frame mode link on a radio path. 

3.  Link release request procedure: With this procedure, the BSC requests 

the BTS to release a radio link. 

4.  Link release indication procedure: With this procedure, the BTS gives 

the BSC an indication that the MS-originated radio link has been 

released. 

5.  Transparent forwarding procedure of the Um interface L3 message in 

the acknowledgment mode: With this procedure, the BSC requests the 
BTS to forward a Um interface L3 message transparently in the 
acknowledgment mode. 

6.  Transparent receiving procedure of the Um interface L3 message in the 

acknowledgment mode: With this procedure, the BTS instructs the BSC 

to receive a Um interface L3 message transparently in the 
acknowledgment mode.  

7.  Transparent forwarding procedure of the Um interface L3 message in 

the non-acknowledgment mode: With this procedure, the BSC requests 

the BTS to forward a Um interface L3 message transparently in the 
non-acknowledgment mode. 

8.  Transparent receiving procedure of the Um interface L3 message in the 

non-acknowledgment mode: With this procedure, the BTS instructs the 
BSC to receive a Um interface L3 message transparently in the non-

acknowledgment mode. 

9.  Link error indication procedure: With this procedure, the BTS gives the 

BSC an indication that the radio link layer gets abnormal. 

Link Establishment 

The link establishing flow originated by MS is shown in Figure 32.