cellular telephone networks 2008
DESCRIPTION
For those who want to have a brief, general introduction to cellular network.TRANSCRIPT
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CELLULAR TELEPHONE NETWORK
by Francisco Villegas
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Objectives
Provide the basic/general understanding of a Modern Cellular Telephone Network, its network elements and their functionalities.
Review basic concepts of Cellular Systems such as Mobility and Resources Utilization.
Building the Architecture
Cellular Concepts Revision
Recommended Bibliography
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BUILDING THE ARQUITECTURE
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Building the architecture
We will follow the logical steps in order to develop a telephone network architecture.
From a simple two persons communication to an Internationally Standardized Network.
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Building the architecture
Waste of Resources
MiramarLuanda Sul
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Building the architectureMiramarLuanda Sul
Optimization of lines
Voice
Signaling
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Building the architectureMiramarLuanda Sul
Focusing on borders
Voice
Signaling
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Building the architecture
Miramar Luanda Sul
Closer to the real world
Miramar
Benfica Cruzeiro
Luanda Sul
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Building the architecture
Miramar
Luanda Sul
Luanda Sul
Benfica
Miramar
Cruzeiro
PSTN
Connected to PSTN
Unitel
and Unitel
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Building the architecture
Miramar
Luanda Sul
Luanda Sul
Benfica
Miramar
Cruzeiro
PSTN
Lets go Cellular Wireless
Unitel
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Building the architecture
Miramar
Luanda Sul
Luanda Sul
Benfica
Miramar
Cruzeiro
PSTN
Move Commercial
Unitel
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Building the architecture
Luanda Sul
PSTN
Basic Terms
Unitel
Miramar
MSCBSC
Benfica
Luanda Sul
BTS
BTS
MS
MS Mobile StationBTS Base Transceiver SystemBSC Base Station ControllerMSC Mobile Switching CenterPSTN Public Switched Telephone Network
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Building the architecture
Signaling Improvement
MSCBSC
BTS
BTS
MS
STP Signal Transfer PointSS7 Signaling System #7
PSTN
Unitel
Miramar
STP (SS7)
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Building the architecture
Mobile Localization
MSCBSC
BTS
BTS
MS
HLR Home Location RegisterVLR Visitor Location Register
PSTN
Unitel
Miramar
STP (SS7)
HLR
VLR
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Building the architecture
SMS, Voicemail
MSCBSC
BTS
BTS
MS
SMSC Short Message Service CenterVMS Voicemail Server
PSTN
Unitel
Miramar
STP (SS7)
HLR
VLR
SMSC
VMS
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Building the architecture
Prepaid
MSCBSC
BTS
BTS
MS
Miramar
STP (SS7)
HLR
VLR
SMSC
VMS
PSTN
Unitel
PSTN
Prepaid
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Building the architecture
Billing
MSCBSC
BTS
BTS
MS
Miramar
STP (SS7)
HLR
VLR
SMSC
VMS
PSTN
Prepaid
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Building the architecture
Provisioning
MSCBSC
BTS
BTS
MS
Miramar
STP (SS7)
HLR
VLR
SMSC
VMS
PSTN
Prepaid
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Building the architecture
Blocks Definition
MSCBSC
BTS
BTS
MS
Miramar
STP (SS7)
HLR
VLR
SMSC
VMS
PSTN
Prepaid
ACCESS
CORE
IN
VAS
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CELLULAR CONCEPTS REVISION
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Mobility, Handoff
Feature available due to VLR and HLR Registers. International Mobility is Rooming.
Availability of subscriber to move between BTS into the Network.
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Sectorization, Carriers
The division of BTS coverage for Resources Management and maximization of users.
F1
Frequency Utilization, applying the same concept as Commercial Radio Utilization. AM/FM/TV.
F2
F3
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RECOMMENDED BIBLIOGRAPHY
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Books, links
1. Esmailzadeh, Riaz and Nakagawa, Masao. TDD CDMA for Wireless Communication. Massachusetts: Norwood, 2003. 2.Cisco Press, Cisco SS7 Fundamental, Chapter two SS7 Signaling Architecture3. Adionel Guimaraes, Dayani. Introduccao aos Sistemas Celular TDMA e CDMA
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Questions??
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Thankspresented by
Francisco Villegas