GSM Networks : Protocols, Terminology, and Implementation - Chapter 8 ppt

... a complete overview of the SS7 mes- sages used for network management and network test. Tables 8. 4 and 8. 5 list 142 GSM Networks: Protocols, Terminology, and Implementation FCS LI BSNFSN BIB FIB Flag Flag SIOSIF 3210bit 0001 ... Figures 8. 3 through 8. 5. 134 GSM Networks: Protocols, Terminology, and Implementation Signaling link Test Message (SLTM) 0001 Servi...

Ngày tải lên: 13/08/2014, 02:21

... functionality between the 244 GSM Networks: Protocols, Terminology, and Implementation 236 GSM Networks: Protocols, Terminology, and Implementation Air-interface Abis-interface A-interface Explanation BTS TRX BSC MSC VLR The ... large arrows). 260 GSM Networks: Protocols, Terminology, and Implementation BTS TRX BTS TRX BSC Figure 12.13 The intra-BSC handover....

Ngày tải lên: 13/08/2014, 02:21

... car phone and in a handheld telephone. 13 16 GSM Networks: Protocols, Terminology, and Implementation Table 2.1 (continued) Parameter Remarks Security related data Algorithm A3 and A8 (m/f) Required ... tools for network opera- tors, to monitor coverage and evaluate the behavior of handover as a customer would experience it. 18 GSM Networks: Protocols, Terminology,...

Ngày tải lên: 13/08/2014, 02:21

... and Implementation EIR HLR VLRVLR E-interface MSC G-MSC B-interface BSSs G-interface C-interface C-interface F-interface F-interface D-interface D-interface B-interface External connections Figure ... detail to be a standalone entity. The only major function assigned to the AuC is to calculate and provide the authentication-triplets, that 32 GSM Networks: Protocols, Terminology,...

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... channel characteristics. 74 GSM Networks: Protocols, Terminology, and Implementation Channel type 04. 08 - data (RSL) max. 255 octet 8 bit 8 bit Channel number identifier (01) Message type 8 bit 00000001 76543 ... Timing Advance (Distance between MS and BTS) 00000000 Figure 6.29 Format of a CHAN_RQD message (taken from GSM 08. 58) . 78 GSM Networks: Protocols,...

Ngày tải lên: 13/08/2014, 02:21

... on different values over the Air-interface than on 102 GSM Networks: Protocols, Terminology, and Implementation 112 GSM Networks: Protocols, Terminology, and Implementation Table 7.5 (continued) ID ... N201. 104 GSM Networks: Protocols, Terminology, and Implementation Table 7.2 Possible Values of SAPI on the Air-Interface SAPI (Decimal) Meaning 0 RR, MM, CC 3...

Ngày tải lên: 13/08/2014, 02:21

... Code: 5-2 2 5-4 (OPC) Originating Point Code: 5-2 2 4-0 (SLS) Signaling Link Selection: 5 RELEASED Destination Local Reference : 80 3A05h Source Local Reference : 32A402h Release Cause cause : 15 ... on the A-interface is performed via DT 1 messages. This shows the transparency of 1 68 GSM Networks: Protocols, Terminology, and Implementation MSU, because LI...

Ngày tải lên: 13/08/2014, 02:21