GSM Networks : Protocols, Terminology, and Implementation - Chapter 4 potx

... 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

... 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 ... which the home PLMN is licensed. Legend: m = mandatory; o = optional; f = fixed, unchangeable value; v = changeable 14 GSM Networks: Protocols, Terminology, and Im...

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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 76 543 210 Message discriminator 8 ... frames from the same TRX. 70 GSM Networks: Protocols, Terminology, and Implementation 012 345 67 Bit 1111P/F101 Figure 6.22...

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... indicates the 92 GSM Networks: Protocols, Terminology, and Implementation 2 046 2 047 2 045 2 044 0 0 012 34 0 1 2 5 049 48 1 2 25 24 567 1 2 3 4 47 48 49 50 0 0 1 2 24 25 1 2 3 4 5 Hyperframe 2 048 Superframes; ... on different values over the Air-interface than on 102 GSM Networks: Protocols, Terminology, and Implementation 112 GSM Networks: Protocols,...

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... Implementation Nr. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FIB FIB 1 11 1 11 1 11 1 11 1 11 1 11 1 11 1 11 1 11 1 11 1 11 0 0 0 0 0 0 1 11 0 0 FSN FSN 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 3 3 4 4 5 5 6 5 7 5 5 6 6 7 7 BIB BIB 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 BSN BSN 11 11 1122 2233 3 344 44 44 44 44 44 44 44 44 44 44 1 1 1 3 3 4 4 5 5 6 7 5 5 6 6 7 7 MSU/FIB ... Management and test...

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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 : 803A05h Source Local Reference : 32A402h Release Cause cause : 15 ... SCCP=> Routing label: OPC/DPC/SLS SCCP-MT 04 RLSD==> DLR / SLR Release cause EO End of Optional parameters = Signal Unit: MSU BSN: 112 BIB: 1 FSN: 100 FIB: 1 LI: 14 S...

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... 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. 1 84 GSM Networks: Protocols, Terminology, ... first 8 or 16 bits of the BSSAP distinguish between BSSMAP and DTAP. The DTAP header is 1 74 GSM Networks: Protocols, Terminology, and Implementation M O B I L E...

Ngày tải lên: 13/08/2014, 02:21