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...

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... 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....

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... 153 viii GSM Networks: Protocols, Terminology, and Implementation 1.2.2.1 Mobile Station GSM- PLMN contains as many MSs as possible, available in various styles and power classes. In particular, the handheld ... interface and are presented as shown in Figures 1.4(a) through 1.4(e). 10 GSM Networks: Protocols, Terminology, and Implementation The following factors wer...

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... 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,...

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... assignment and 26 GSM Networks: Protocols, Terminology, and Implementation TM TCE TM TCE TM TCE Switch matrix TMTCE TMTCE TMTCE DB Central module Central functions, clock distribution OMC A-interface Abis-interface Figure ... abandoned as sites for antennas shortly after they were brought into service at the initial network startup. 22 GSM Networks: Protocols, Terminology,...

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... 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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... to the lower layers, the Transport Layer performs end-to-end data control. The Transport Layer 44 GSM Networks: Protocols, Terminology, and Implementation • Telephone systems are used for many ... layer does not care 40 GSM Networks: Protocols, Terminology, and Implementation Physical layer Data link layer Network layer Network node A Network node CNetwork node B Peer-to...

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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,...

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... 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...

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... 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