GSM Networks : Protocols, Terminology, and Implementation - Chapter 1 pdf

... coverage and evaluate the behavior of handover as a customer would experience it. 18 GSM Networks: Protocols, Terminology, and Implementation 12 GSM Networks: Protocols, Terminology, and Implementation ISUP ... which the VLR provides its services. 6 GSM Networks: Protocols, Terminology, and Implementation TRAU MSC HLR VLR GSM Networks: Protocols, Ter...

Ngày tải lên: 15/09/2012, 10:04

... 18 3 11 Transaction Capabilities and Mobile Application Part 18 5 11 .1 Transaction Capabilities Application Part 18 5 11 .1. 1 Addressing in TCAP 18 6 11 .1. 2 The Internal Structure of TCAP 18 7 11 .1. 3 ... of Parameters and Data in TCAP 18 9 11 .1. 4 TCAP Messages Used in GSM 19 8 11 .2 Mobile Application Part 208 11 .2 .1 Communication Between MAP and its Users 2...

Ngày tải lên: 13/08/2014, 02:21

... identical pairs of ID-1 SIM/plug-in SIM, so the same SIM can be used in a car phone and in a handheld telephone. 13 16 GSM Networks: Protocols, Terminology, and Implementation Table 2. 1 (continued) Parameter ... 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

... sector 24 GSM Networks: Protocols, Terminology, and Implementation The Base Station Subsystem 23 300 m 35 km BTS TRX BTS TRX BTS TRX BTS TRX BTS TRX BTS TRX BTS TRX BTS TRX Figure 3. 2 BTSs in standard ... abandoned as sites for antennas shortly after they were brought into service at the initial network startup. 22 GSM Networks: Protocols, Terminology, and Implementati...

Ngày tải lên: 13/08/2014, 02:21

... 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 4. 1 The NSS. ... 33 subscriber A: Ki 12 345 678 subscriber B: Ki 2 341 5670 subscriber C: Ki 98753013 = = = HLR GSM SIM . . . . . GSM SIM . . . . . GSM SIM . . . . . Ki 2 341 5670= Ki 12 345...

Ngày tải lên: 13/08/2014, 02:21

... Implementation 77 66 11 22 33 44 55 User data User data Header Header 77 2 2 55 33 4 4 7 7 7 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 ... information as an EST_IND message toward the BSC, 46 GSM Networks: Protocols, Terminology, and Implementation 5 The OSI Reference Model 5. 1 Reasons for Standardizati...

Ngày tải lên: 13/08/2014, 02:21

... 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...

Ngày tải lên: 13/08/2014, 02:21

... 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 (Hex) ... Implementation Table 7. 2 Possible Values of SAPI on the Air-Interface SAPI (Decimal) Meaning 0 RR, MM, CC 3 SMS, SS 120 GSM Networks: Protocols, Terminolog...

Ngày tải lên: 13/08/2014, 02:21

... 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

... message. SCCP messages consist of the following parts (refer to Figures 9. 4 and 9. 5 ): 156 GSM Networks: Protocols, Terminology, and Implementation FCS Signaling connection control part (SCCP) Message ... SCCP management message. Table 9. 3 lists the subsystems of the SCCP. 166 GSM Networks: Protocols, Terminology, and Implementation 9. 3.3 Decoding a SCCP Mes...

Ngày tải lên: 13/08/2014, 02:21

... 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 GS...

Ngày tải lên: 13/08/2014, 02:21

... 1010 111 0 bin length = 3333 dez = 0D05 hex = 0000 110 1 0000 0101 bin 196 GSM Networks: Protocols, Terminology, and Implementation identifier, the transaction ID, which is comparable to SLR and ... operation code have used. (The Glossary and Chapter 4 provide definitions of the interfaces.) 214 GSM Networks: Protocols, Terminology, and Implementation Table 11....

Ngày tải lên: 13/08/2014, 02:21

... large arrows). 260 GSM Networks: Protocols, Terminology, and Implementation BTS TRX BTS TRX BSC Figure 12. 13 The intra-BSC handover. 264 GSM Networks: Protocols, Terminology, and Implementation The ... functionality between the 244 GSM Networks: Protocols, Terminology, and Implementation 236 GSM Networks: Protocols, Terminology, and Implementation...

Ngày tải lên: 13/08/2014, 02:21

... 99.3% SCCP-CREQ : 115701 Z 35 HO Command : 18445 97.7% SCCP-CC : 115694 Z 36 HO Complete : 17554 93.0% SCCP-DT1 : 1241708 Z 37 5.2 Inter-BSC SCCP-RLSD : 115686 Z 38 Outgoing SCCP-RLC : 115570 Z ... Required(TCH ): 2463 100.0% SCCP-CREF : 1 Z 40 HO Command : 2406 97.7% SCCP-IT : 774 Z 41 HO Success : 2299 93.3% SCCP-lost(BSC) : 17 Z 42 Incomin...

Ngày tải lên: 13/08/2014, 02:21