Tài liệu GSM Switching, Services and Protocols P2 pdf

... Simpli®ed two-path model of radio propagation GSM Switching, Services and Protocols: Second Edition. JoÈrg EberspaÈcher,Hans-JoÈrg VoÈgel and Christian BettstetterCopyright q 2001 John ... multiple of its original bandwidth. Typically, spreading factors are between 10 and 1000; they generate a broadband signal for transmission from the narrowband signal, and this is less sensitive ... systems and is also used in digital systems. For the communication between mobile and base station,the available frequency band is split into two partial bands, to enable simultaneous sendingand...

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Tài liệu GSM switching services and protocols P2 doc

... Simpli®ed two-path model of radio propagation GSM Switching, Services and Protocols: Second Edition. JoÈrg EberspaÈcher,Hans-JoÈrg VoÈgel and Christian BettstetterCopyright q 2001 John ... multiple of its original bandwidth. Typically, spreading factors are between 10 and 1000; they generate a broadband signal for transmission from the narrowband signal, and this is less sensitive ... systems and is also used in digital systems. For the communication between mobile and base station,the available frequency band is split into two partial bands, to enable simultaneous sendingand...

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Tài liệu GSM Switching, Services and Protocols P1 pdf

... currently staying and has access to the network. There, the samecommunication services can be used as at home, limited only by the properties of the1 GSM Switching, Services and Protocols: Second ... characteristics and the cellular principle. The understanding of duplex and multi-ple access schemes serves as the basis for understanding GSM technology. Chapter 3introduces the GSM system architecture and ... Hong Kong, and New Zealand. Afterward, GSM has also been introduced in Brunei, Cameroon, Iran, South Africa, Syria, Thailand, USA and United Arab Emirates. Whereas the majority of the GSM networks...

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Tài liệu GSM Switching, Services and Protocols P8 pdf

... of the handover and through transferring the handover decision to the BSS. The GSM handover is thus anetwork-originated handover as opposed to a mobile-originated handover, where thehandover ... distinguish three categories:² Handover because of more favorable path loss conditions² Mandatory intercell handover² Mandatory intracell handover8.4 Handover199Roaming and Switching8.1 Mobile ... its participation in thehandover decision. The MSC causes the new BSS to prepare a channel for the handover, and frees the handover to the mobile station (handover command), as soon as thereservation...

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Tài liệu GSM Switching, Services and Protocols P13 pdf

... AddressesIndex327 GSM Switching, Services and Protocols Second Edition GSM Switching, Services and Protocols: Second Edition. JoÈrg EberspaÈcher,Hans-JoÈrg VoÈgel and Christian BettstetterCopyright ... universities and technical institutes, those in industry or network operations GSM Switching, Services and Protocols: Second Edition. JoÈrg EberspaÈcher,Hans-JoÈrg VoÈgel and Christian ... 108Index332 GSM Switching, Services and Protocols Second EditionJoÈrg EberspaÈ cherTechnische UniversitaÈtMuÈ nchen, GermanyHans-JoÈrg VoÈgelThe Fantastic Corporation, Switzerland and Christian...

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Tài liệu GSM switching services and protocols P1 pdf

... currently staying and has access to the network. There, the samecommunication services can be used as at home, limited only by the properties of the1 GSM Switching, Services and Protocols: Second ... characteristics and the cellular principle. The understanding of duplex and multi-ple access schemes serves as the basis for understanding GSM technology. Chapter 3introduces the GSM system architecture and ... Hong Kong, and New Zealand. Afterward, GSM has also been introduced in Brunei, Cameroon, Iran, South Africa, Syria, Thailand, USA and United Arab Emirates. Whereas the majority of the GSM networks...

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Tài liệu GSM switching services and protocols P5 pdf

... connection that is specially treated according to5 GSM Switching, Services and Protocols: Second Edition. JoÈrg EberspaÈcher,Hans-JoÈrg VoÈgel and Christian BettstetterCopyright q 2001 John ... inputs for the handover and power controlalgorithms.The measurement objects are on the one hand the uplink and downlink of the currentchannel (TCH or SDCCH), and on the other hand the BCCH carriers ... Synchronization means on the onehand the time-wise synchronization of mobile station and base with regard to bits and 5 Air Interface ± Physical Layer70frames, and on the other hand tuning the mobile...

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Tài liệu GSM Switching, Services and Protocols P3 docx

... network (e.g. theIntegrated Services Digital Network,ISDN [7]) are handled by a dedicated Gateway3Figure 3.1: GSM system hierarchy GSM Switching, Services and Protocols: Second Edition. JoÈrg ... authentication and user data encryp-tion based on the subscriber identity IMSI and secret keys. Beyond that,the SIM can storeshort messages and charging information ,and it has a telephone book function and ... station.3.3.4 Operation and Maintenance (OMSS)3.3.4.1 Network Monitoring and MaintenanceThe ongoing network operation is controlled and maintained by the Operation and Main-tenance Subsystem...

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Tài liệu GSM Switching, Services and Protocols P4 ppt

... Supplementary services are complementing the control and modi®cation of extended services and are only usable in connection with a telecommuni-cation service.4Figure 4.1: Bearer and teleservices GSM Switching, ... terminalstied to telephone lines. GSM services are therefore divided just like ISDN services intothree categories: bearer services, teleservices, and supplementary services. A bearerservice offers ... to transport user payloads. The basic services are called transport services [7]or bearer services in ISDN ± and therefore in GSM, too. The GSM bearer services offerasynchronous or synchronous...

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Tài liệu GSM Switching, Services and Protocols P5 docx

... connection that is specially treated according to5 GSM Switching, Services and Protocols: Second Edition. JoÈrg EberspaÈcher,Hans-JoÈrg VoÈgel and Christian BettstetterCopyright q 2001 John ... inputs for the handover and power controlalgorithms.The measurement objects are on the one hand the uplink and downlink of the currentchannel (TCH or SDCCH), and on the other hand the BCCH carriers ... Synchronization means on the onehand the time-wise synchronization of mobile station and base with regard to bits and 5 Air Interface ± Physical Layer70frames, and on the other hand tuning the mobile...

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