GSM Networks : Protocols, Terminology, and Implementation - Chapter 6 pot

... is two, and the number of unacknowledged frames for SAPI = 62 and for SAPI = 63 is one. 58 GSM Networks: Protocols, Terminology, and Implementation Address field 16 bit Control field 16 bit Layer ... on the Air-interface. SAPI also indicates the transfer priority of a message. SAPI 62 and SAPI 63 have a 60 GSM Networks: Protocols, Terminology, and Implementat...

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... from the compression. 28 GSM Networks: Protocols, Terminology, and Implementation MSC BSC TRAU frame 16 Kbit/s 16 Kbit/s 16 Kbit/s 16 Kbit/s 16 Kbit/s 64 Kbit/s 64 Kbit/s 64 Kbit/s TRAU TRAU TRAU frame BTS TRX BTS TRX BSC MSC Figure ... assignment and 26 GSM Networks: Protocols, Terminology, and Implementation TM TCE TM TCE TM TCE Switch matrix TMTCE TMTCE...

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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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... 44 5 .6. 5 Layer 5: The Session Layer 45 5 .6. 6 Layer 6: The Presentation Layer 45 5 .6. 7 Layer 7: The Application Layer 46 5.7 Comprehension Issues 46 5.7.1 An Analogy: The Move to Europe 47 6 The ... 55 6. 3 Signaling on the Abis-Interface 55 6. 3.1 OSI Protocol Stack on the Abis-Interface 55 6. 3.2 Layer 2 56 6.3.3 Layer 3 71 6. 4 Bringing an Abis-Interface Into Service...

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... a 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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... and use of modules on a general level, a state- ment that has to be tempered by the actual application. It certainly matters, 42 GSM Networks: Protocols, Terminology, and Implementation 77 66 11 22 33 44 55 User ... 7 6 6 7 7 6 5 5 6 6 6 6 6 6 55 55 55 7 7 7 7 7 7 44 44 44 33 33 22 6 5 7 4 3 2 Physical layer Data link layer Network layer Transport layer Session laye...

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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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... examples of a SLTM and a SLTA message. 132 GSM Networks: Protocols, Terminology, and Implementation in Layer 3 that automatically detect error situations and are able to try to cor- rect them autonomously. ... 8.17(d) SS7 Management and test messages. 144 GSM Networks: Protocols, Terminology, and Implementation FCS 11 7 bit14 bit 7 bit6 bit SSFOPC DPC LI SI 0000 BS...

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... information : 49171 062 666 6 Figure 9.8 Example for a CdPA with global title. 160 GSM Networks: Protocols, Terminology, and Implementation => = DT 1 (DaTa Form 1) MT 06 06DLRS/R 3 byte 11 1 2–2 56 byte 765 4321 ... message. SCCP messages consist of the following parts (refer to Figures 9.4 and 9.5 ): 1 56 GSM Networks: Protocols, Terminology, and Impleme...

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... reset-procedure, the BSC has to re- peat BLO/CIR_GRP_BLO messages, for all channels, which were in a blocked state before a RESET was sent.) 180 GSM Networks: Protocols, Terminology, and Implementation Table ... which stands for CC and indicates that CC requests the release of a connection when the call is terminated, and 0B hex , which indicates a successful handover. 184 GSM...

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