gsm towards lte networks updates. introduction 2008--------------to date (regional manager nss)...
TRANSCRIPT
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GSM TOWARDS LTE NETWORKS UPDATES
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INTRODUCTION
2008--------------To date (Regional Manager NSS)
2006------------------2007(Assistant Manager)
2005------------------2006 (Field Support Engineer)
1998------------------2004 (Internee / Senior Switch
Engineer)
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PAKISTAN CELLULAR INDUSTRY
‘90 ‘92 ‘98 ‘06‘05‘04‘03
Mobile Cellular Policy - 2004
Deregulation Policy – July ‘03
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CELLULAR INDUSTRY EVOLUTION
New ServicesNew Services
EfficiencyEfficiency
More Data More Data Services Services requiredrequired
Broadband
Subscribers
Voice
CoverageCoverage
MobilityMobility
Voice Voice QualityQuality
PortabilityPortability
CapacityCapacity
Data ServiceData Service
BroadbandBroadband
Network Network SimplificationSimplification
Cost of Cost of OwnershipOwnership
MobilinkMobilink
TelenorTelenor
UfoneUfone
WaridWarid
ZongZong
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MOBILE PHONE GENERATIONS
MobilinkMobilink
TelenorTelenor
UfoneUfone
WaridWarid
ZongZong
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PAKISTANMOBILE SUBSCRIBER STATISTICS
Network Subscriber
Mobilink 33378161
Telenor 26667079
Ufone 20533787
Warid 17387801
Zong 10927693
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Two Key technologies are evolving to meet the Wireless Broadband Requirements
802.11n(smart antennas)802.11Mesh extns.
Lo
cal A
rea
Fix
ed
Wid
e A
rea
Mo
bile
Co
vera
ge/
Mo
bili
ty
Met
ro A
rea
No
mad
ic
802.16(Fixed LOS)
802.16a/d(Fixed NLOS)
802.11b/a/g
Mobile Industry
Fixed Wireless Industry
4G Air Interfaces
Data Rates (kbps)100,000 +
GSM UMTS HSPAGPRS EDGE LTE 3GPP
MOBILE BROADBAND
DSL ExperienceDial Up
Higher Data Rate / Lower Cost per Bit
802.16e(Mobile WIMAX)
Fibre Experience
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WIRELESS ACCESS EVOLUTION
New ServicesNew Services
EfficiencyEfficiency
More Data More Data Services Services requiredrequired
Broadband
Subscribers
Voice
CoverageCoverage
MobilityMobility
Voice QualityVoice Quality
PortabilityPortability
CapacityCapacity
Data ServiceData Service
BroadbandBroadband
Network Network SimplificationSimplification
Cost of Cost of OwnershipOwnership
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SECRETS OF UPGRADES
Maximize Utilizing Spectrum Efficiency FDMA/TDMA/CDMA/OFDMA
Power Efficiency----------------Battery
Minimize Complexity------- System should be Simple
Cost--------- It should be minimize , as per customer needs
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FREQUENCY SPECTRUM
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GSM SERVICES OFFERED
Voice Services
Data Services (GPRS/MMS)
Short Code Services
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GSM ARCHITECTURE OVERVIEW Main components of GSM
The mobile station (MS) BSS Base Station Subsystem (BTS+BSC) MSS Mobile Station Subsystem (MSC/HLR, ..)
BSCBTS MSC
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GSM VOICE
Only Voice Call
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GSM PREPAID
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BSC HLR
MSC SMSC
EIR
PrePaidPrePaid
VMSVoicemail
OMOPSTNFixed Network
SMSC
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SHORT CODE
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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GSM NETWORK OVERVIEW
BTS
BSC
MSC
VLR HLR AuC EIR
PSTN,ISDN...
OMCOMC
NMCX.25 links
GSM interfaces
Voicemail Server
SM-SC
MS (Mobile Station)
BSS (Base Station System)
NSS (Network Switching Subsystem)
OMM (Operations & Maintenance Management)
MS
RAN department
RF department
NSS department
Transmission department
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TOWARDS LTE NETWORKS
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WHAT IS 3G SERVICE
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3G SERVICE PROVIDE Higher bandwidth enables a range of new applications!!
For Consumer Video streaming, TV broadcast Video calls, video clips – news, music, sports Enhanced gaming, chat, location services…
For Business
High speed teleworking / VPN access Sales force automation Video conferencing Real-time financial information
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3G APPLICATIONS
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GSM VOICE & GPRS (DATA) CALL ARCHITECTURE
Voice Calls Path
Data Calls Path
Packet Data14.4 Kp/s
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2G TOWARDS 3G NETWORK
GGSN
IP networks
SGSN
IuGb
2G 3G
BSC
BTS
RNC
Node B
HLR
PCRFGr
Gi
Iur
Gx
Only PS Domain shown
Gn Gn
•Policy Control and Charging Rules Function (PCRF) - to manage Quality of Service (QoS) aspects
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GGSN
IP networks
SGSN
Iu CPGb
2G 3G
BSC
BTS
RNC
Node B
HLR/HSS
PCRF
Iu UP
Gr
Gi
Iur
Gx
Only PS Domain shown
Gn
Optimizing the 3G/HSPA payload plane for Broadband traffic
HSPA (Higher Speed Packet Access)
10 Mb/s
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LTE/SAE
PDN GWServing GW
MME
S1-MME S1-U
LTE
IP networks
eNodeB
SGSN
Iu CPGb
2G 3G
S3
BSC
BTS
RNC
Node B
HLR/HSS
PCRF
Iu UP
S11
Gr
S10
S6a
SGi
LTE/SAE Architecture
X2
Iur
S7
Non-3GPP access
S2a/b
The PDN and Serving GW may be separate nodes in some scenarios
(S5 in-between)
A flat architecture for optimized performance and cost efficiency
Only PS Domain shown
S4
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GSM-3G-LTE NETWORKS
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LTE ARCHITECTURE
PDN GWServing GW
MME
S1-MME S1-U
LTE
IP networks
eNodeB
SGSN
Iu CPGb
2G 3G
S3
BSC
BTS
RNC
Node B
HLR/HSS
PCRF
Iu UP
S11
Gr
S10
S6a
SGi
X2
Iur
S7
Non-3GPP access
S2a/b
S4PDN GW
Serving GW
”Gateway”
MMESGSN
”Mobility Server”
PCRF
HLR/HSS
”HLR/HSS”
EPC
eNode B
RBS
OSS
PA/DU Core & IMS
PA/DU Radio
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UPDATES
Pakistan Telecommunication Authority (PTA) has announced that auction for license/spectrum regarding 3G /4G/LTE.
ZTE - Telenore
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Lecture link
www.lte.yolasite.com
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GSM Call GSM Call SetupSetup
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MS Mobile Station = phone + SIM card
BTS Base Transceiver Station BSC Base Station Controller HLR Home Location Register MSC Mobile services Switching
Centre VLR Visitor Location Register AUC Authentication Centre
Stand-alone or integrated in HLR
EIR Equipment Identity RegisterFor blacklisting stolen and
unwanted equipment SMSC Short Message Service
”Support” Centre VMS Voice Messaging System PrePaid Node Hosting prepaid service
system IN Intelligent Network services PSTN Public Switched Telephone
Network PABX Private Automatic Branch
Exchange
MSC/VLRWarid
Telenore
BSC
SMSC
EIR
INTERNET
MobilinkPSTN
BSC
PrePaidNode
VMS
HLR
MSCw
AUC
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MSC SMSC
EIR
INTERNET
PABXPSTNInternational
PSTNFixed Network
BSC
IN
PrePaid
VMSVoicemail
HLR
MSC BSC
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MSC SMSC
EIR
INTERNET
BSC
IN
PrePaid
VMSVoicemail
HLR
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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MSC SMSC
EIR
INTERNET
BSC
IN
PrePaid
VMSVoicemail
HLR
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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MSC SMSC
EIR
INTERNET
BSC
IN
PrePaid
VMSVoicemail
HLR
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSCBSC
Base Station ControllerBase Station Controller
The call request reaches the BSC from the The call request reaches the BSC from the BTS and is forwarded to MSC.BTS and is forwarded to MSC.
After call is established, the BSC will perform After call is established, the BSC will perform decodingdecoding of the call (in typical config.) of the call (in typical config.)
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BSC HLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSC HLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSC HLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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Checks A number.Checks A number. To whom is A subscriber calling?To whom is A subscriber calling?
(Checks B number)(Checks B number) Example : A subscriberExample : A subscriber has has
prepaid number.prepaid number.
MSC MSC
Mobile Switching CentreMobile Switching Centre
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BSC HLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSC HLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSC HLR
MSC SMSC
EIR
INTERNETIN
PrePaidPrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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Does the A subscriber have Does the A subscriber have money left on his/her account?money left on his/her account?
When the call is established When the call is established and on-going the subscriber’s and on-going the subscriber’s account is decremented account is decremented accordingly.accordingly.
PrePaid NodePrePaid Node
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BSCHLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSCHLR
MSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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BSCHLR
MSCMSC SMSC
EIR
INTERNETIN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
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Where is the B subscriber?Where is the B subscriber? MSC interrogates in HLR.MSC interrogates in HLR.
(HLR = Home Location (HLR = Home Location Register)Register)
MSCMSC Mobile Switching CentreMobile Switching Centre
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BSCHLR
MSCMSC
IN
PrePaid
VMSVoicemail
MSC BSC
PABXPSTNInternational
PSTNFixed Network
SMSC
EIR
INTERNET
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BSCHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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HLR says ’I am the home of the B HLR says ’I am the home of the B subscriber and I know where he/she is subscriber and I know where he/she is right now’ (i.e. which VLR)right now’ (i.e. which VLR)
Tells this VLR ’Give me a visitor address Tells this VLR ’Give me a visitor address for this subscriber’ (Roaming Number) for this subscriber’ (Roaming Number)
HLRHLRHome Location Register
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSCMSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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Hosting MSC/VLR returns Hosting MSC/VLR returns TEMPORARILY assigned TEMPORARILY assigned visitor/roaming address for B-visitor/roaming address for B-subscriber to HLR.subscriber to HLR.
MSCMSC
Mobile Switching CentreMobile Switching Centre
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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’’Thanks for the visitor address!’Thanks for the visitor address!’ ’’I will send this address to the I will send this address to the
MSC that requested for it.’ MSC that requested for it.’
HLRHLRHome Location Register
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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’’Thank you, HLR!’Thank you, HLR!’ Speech connection path will set Speech connection path will set
up now towards the MSC/VLR up now towards the MSC/VLR where the B subscriber is where the B subscriber is presently located.presently located.
MSCMSC
Mobile Switching CentreMobile Switching Centre
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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Sets up a speech connection towards Sets up a speech connection towards BSC.BSC.
Delivers B-subscriber ID to BSC and asks Delivers B-subscriber ID to BSC and asks to page for the subscriber using that ID.to page for the subscriber using that ID.
MSCMSC
Mobile Switching CentreMobile Switching Centre
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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BSC now sends a PAGING MESSAGE to all the BTSs that BSC now sends a PAGING MESSAGE to all the BTSs that it covers/controls.it covers/controls.
Carrys PAGING RESPONSE from called MS back to MSC.Carrys PAGING RESPONSE from called MS back to MSC. Allocates a RADIO channel through a BTS with best Allocates a RADIO channel through a BTS with best
available and allowable SIGNAL STRENGTH for called available and allowable SIGNAL STRENGTH for called MS.MS.
Performs SPEECH CODING when call is established.Performs SPEECH CODING when call is established.
BSCBSC
Base Station ControllerBase Station Controller
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BSCHLRHLR
MSCMSC
MSC BSC
PABXPSTNInternational
PSTNFixed Network
IN
PrePaid
VMSVoicemail
SMSC
EIR
INTERNET
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GSM TOWARD LTE COURSE OUTLINE
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TOPICS Module-1 Introduction of Communication and Wireless Concepts
History of Communication Telecommunication Basics Frequency, Range of Wireless Frequency Channel Concept Multiple Access Concepts and its types
Module-2 Cellular Generation Wireless Concepts
1st Generation of Cellular Communication (AMPS, TACS) 2nd Generation of TDMA , GSM 3rd Generation WCDMA 4th Generation LTE
Module-3 GSM Architecture
MS BSS NSS Interfaces, Protocols
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TOPICS Module-4 GSM Channel Concepts
GSM Channels Physical and Logical Channels
Module-5 Cell Planning Concepts
Cell Planning Basic Cell Planning Tools , TEMPS
Module-6 NSS/BSS Hardware and Software
MSC HLR STP BSC
Module-7 DATA Calls
HSCSD GPRS Data Call Path, SGSN and GGSN Hardware
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TOPICS Module-8 Call paths
Postpaid to Paid calls Postpaid to Prepaid calls Operator to Operator Calls Mobile to PTCL calls
Module-9 Mobile Packet Backbone Network
OSI layer IP Fundamentals IP Routing , Protocols MPLS Requirement in Telecom
Module-10 GSM Evolution Path
GSM Towards LTE LTE Architecture S-GWS, MME, eNode
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THANK YOU