gsm-fundamental-uku - GSM Fundamental By Uke Kurniawan...

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Uke Kurniawan Usman - 2005 1 GSM Fundamental By Uke Kurniawan Usman
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Uke Kurniawan Usman - 2005 2 Agenda Network Architecture Functional Layer of GSM Air Interface System Capacity Anti Interference Technology Network Planning Numbering arrangement
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Uke Kurniawan Usman - 2005 3 MSC/VLR HLR/ AUC EIR SC/VM OMC BSC BTS PSTN ISDN PSPDN MS BSS MSS Um Abi s BIE A F C H MSC/VLR E GSM Network Structure
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Uke Kurniawan Usman - 2005 4 Equipment used by mobile service subscribers for access to services . Mobile Station ( MS ) Mobile Equipment Subscriber Identity Module (SIM) Mobile stations are not fixed to one subscriber. A subscriber is identified with the SIM card.
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Uke Kurniawan Usman - 2005 5 Base Transceiver Station (BTS) Wireless transmission Wireless diversity Wireless channel encryption Conversion between wired and wireless signals Frequency Hopping BaseBand Unit: voice and data speed adapting and channel coding RF Unit: modulating/demodulating, transmitter and receiver Common Control Unit: BTS operation and maintenance GSM Network Entity Base Transceiver Station ( BTS )
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Uke Kurniawan Usman - 2005 6 Managing Wireless network-BSS Monitoring BTS Controls: Wireless link distribution between MS and BTS Communication connection and disconnection MS location, handover and paging Voice encoding, transecoding (TC), rate, adaptation, The operation and maintenance functions of BSS. Base Station Controller ( BSC ) GSM Network Entity
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Uke Kurniawan Usman - 2005 7 holds all the switching functions manages the necessary radio resources, updating the location registration carrying out the inter-BSC and inter-MSC tender Inter-working with other networks (IWF). GSM Network Entity Mobile Service Switching Center ( MSC )
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Uke Kurniawan Usman - 2005 8 Manages the mobile subscribers database subscriber information part of the mobile location information 3 identities essential the International Mobile subscriber Identity the Mobile station ISDN Number the VLR address GSM Network Entity Home Location Register ( HLR )
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Uke Kurniawan Usman - 2005 9 Visitor Location Register ( VLR ) dynamically stores subscriber information needed to handle incoming/outgoing calls Mobile Station Roaming Number When a roaming mobile enters an MSC area. This MSC warns the associated VLR of this situation; the mobile enters a registration procedure through which it is assigned a mobile subscriber roaming number (MSRN) Temporary Mobile Subscriber Identity, if applicable The location area in which the mobile has been registered Data related to supplementary service parameters GSM Network Entity
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Uke Kurniawan Usman - 2005 10 AUC/EIR Authentication Center(s) (AUC) Providing the authentication key used for authorizing the subscriber access to the associated GSM PLMN.
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gsm-fundamental-uku - GSM Fundamental By Uke Kurniawan...

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