GSM TOWARDS LTE NETWORKS UPDATES. INTRODUCTION 2008--------------To date (Regional Manager NSS) 2006------------------2007 (Assistant Manager) 2005------------------2006.

GSM TOWARDS LTE NETWORKS UPDATES

INTRODUCTION 2008--------------To date (Regional Manager NSS) 2006------------------2007 (Assistant Manager) 2005------------------2006 ( Field Support Engineer) 1998------------------2004 (Internee / Senior Switch Engineer)

PAKISTAN CELLULAR INDUSTRY ‘90‘92‘98‘06‘05‘04 LL3 Operators LDI/WLL13 Operators AMPSNone GSM – 2G5 Operators ‘03 Mobile Cellular Policy - 2004 Deregulation Policy – July ‘03

CELLULAR INDUSTRY EVOLUTION  New Services  Efficiency  More Data Services required Broadband Subscribers Voice  Coverage  Mobility  Voice Quality  Portability  Capacity  Data Service  Broadband  Network Simplification  Cost of Ownership  Mobilink  Telenor  Ufone  Warid  Zong

MOBILE PHONE GENERATIONS  Mobilink  Telenor  Ufone  Warid  Zong

PAKISTANMOBILE SUBSCRIBER STATISTICS NetworkSubscriber Mobilink33378161 Telenor26667079 Ufone20533787 Warid17387801 Zong10927693

7 Two Key technologies are evolving to meet the Wireless Broadband Requirements 802.11n (smart antennas) 802.11 Mesh extns. Local Area Fixed Wide Area Mobile Coverage/Mobility Metro Area Nomadic 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 HSPA GPRSEDGE LTE 3GPP MOBILE BROADBAND DSL Experience Dial Up Higher Data Rate / Lower Cost per Bit 802.16e (Mobile WIMAX) Fibre Experience

WIRELESS ACCESS EVOLUTION  New Services  Efficiency  More Data Services required Broadband Subscribers Voice  Coverage  Mobility  Voice Quality  Portability  Capacity  Data Service  Broadband  Network Simplification  Cost of Ownership

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

10 FREQUENCY SPECTRUM

GSM SERVICES OFFERED  Voice Services  Data Services (GPRS/MMS)  Short Code Services

GSM ARCHITECTURE OVERVIEW Main components of GSM  The mobile station (MS)  BSS Base Station Subsystem (BTS+BSC)  MSS Mobile Station Subsystem (MSC/HLR,..) BSC BTS MSC

GSM VOICE Only Voice Call

GSM PREPAID

BSC HLR MSC SMSC EIR PrePaid VMS Voicemail OMO PSTN Fixed Network SMSC

SHORT CODE

BSC HLR MSC MSCBSC PABX PSTN International PSTN Fixed Network IN PrePaid VMS Voicemail SMSC EIR INTERNET

GSM NETWORK OVERVIEW RAN department RF department NSS department Transmission department

TOWARDS LTE NETWORKS

WHAT IS 3G SERVICE

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

3G APPLICATIONS

GSM VOICE & GPRS (DATA) CALL ARCHITECTURE Voice Calls Path Data Calls Path Packet Data14.4 Kp/s

2G TOWARDS 3G NETWORK GGSN IP networks SGSN Iu Gb 2G3G BSC BTS RNC Node B HLR PCRF Gr Gi Iur Gx Only PS Domain shown Gn Policy Control and Charging Rules Function (PCRF) - to manage Quality of Service (QoS) aspects

GGSN IP networks SGSN Iu CP Gb 2G3G 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

LTE/SAE PDN GW Serving GW MME S1-MME S1-U LTE IP networks eNodeB SGSN Iu CP Gb 2G3G 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

GSM-3G-LTE NETWORKS

28 LTE ARCHITECTURE PDN GW Serving GW MME S1-MME S1-U LTE IP networks eNodeB SGSN Iu CP Gb 2G3G S3 BSC BTS RNC Node B HLR/HSS PCRF Iu UP S11 Gr S10 S6a SGi X2 Iur S7 Non-3GPP access S2a/b S4 PDN GW Serving GW ”Gateway” MMESGSN ”Mobility Server” PCRF HLR/HSS ”HLR/HSS” EPC eNode B RBS OSS PA/DU Core & IMS PA/DU Radio

UPDATES Pakistan Telecommunication Authority (PTA) has announced that auction for license/spectrum regarding 3G /4G/LTE. ZTE - Telenore

Lecture link www.lte.yolasite.com

32 GSM Call Setup

33 MSMobile Station = phone + SIM card BTSBase Transceiver Station BSCBase Station Controller HLRHome Location Register MSCMobile services Switching Centre VLRVisitor Location Register AUCAuthentication Centre Stand-alone or integrated in HLR EIREquipment Identity Register For blacklisting stolen and unwanted equipment SMSCShort Message Service ”Support” Centre VMSVoice Messaging System PrePaid Node Hosting prepaid service system IN Intelligent Network services PSTNPublic Switched Telephone Network PABXPrivate Automatic Branch Exchange MSC/VLR Warid Telenore BSC SMSC EIR INTERNET Mobilink PSTN BSC PrePaid Node VMS HLR MSC w AUC

34 MSC SMSC EIR INTERNET PABX PSTN International PSTN Fixed Network BSC IN PrePaid VMS Voicemail HLR MSCBSC

35 MSC SMSC EIR INTERNET BSC IN PrePaid VMS Voicemail HLR MSCBSC PABX PSTN International PSTN Fixed Network

38 BSC Base Station Controller The call request reaches the BSC from the BTS and is forwarded to MSC. The call request reaches the BSC from the BTS and is forwarded to MSC. After call is established, the BSC will perform decoding of the call (in typical config.) After call is established, the BSC will perform decoding of the call (in typical config.)

39 BSC HLR MSC SMSC EIR INTERNET IN PrePaid VMS Voicemail MSCBSC PABX PSTN International PSTN Fixed Network

42 Checks A number. Checks A number. To whom is A subscriber calling? (Checks B number) To whom is A subscriber calling? (Checks B number) Example : A subscriberhas prepaid number. Example : A subscriber has prepaid number. MSC Mobile Switching Centre

46 Does the A subscriber have money left on his/her account? Does the A subscriber have money left on his/her account? When the call is established and on-going the subscriber’s account is decremented accordingly. When the call is established and on-going the subscriber’s account is decremented accordingly. PrePaid Node

50 Where is the B subscriber? Where is the B subscriber? MSC interrogates in HLR. (HLR = Home Location Register) MSC interrogates in HLR. (HLR = Home Location Register) MSC Mobile Switching Centre Mobile Switching Centre

51 BSC HLR MSC IN PrePaid VMS Voicemail MSCBSC PABX PSTN International PSTN Fixed Network SMSC EIR INTERNET

52 BSC HLR MSC MSCBSC PABX PSTN International PSTN Fixed Network IN PrePaid VMS Voicemail SMSC EIR INTERNET

54 HLR says ’I am the home of the B subscriber and I know where he/she is right now’ (i.e. which VLR) HLR says ’I am the home of the B subscriber and I know where he/she is right now’ (i.e. which VLR) Tells this VLR ’Give me a visitor address for this subscriber’ (Roaming Number) Tells this VLR ’Give me a visitor address for this subscriber’ (Roaming Number) HLR Home Location Register

59 BSC HLR MSC MSC PABX PSTN International PSTN Fixed Network IN PrePaid VMS Voicemail SMSC EIR INTERNET

60 Hosting MSC/VLR returns TEMPORARILY assigned visitor/roaming address for B- subscriber to HLR. Hosting MSC/VLR returns TEMPORARILY assigned visitor/roaming address for B- subscriber to HLR. MSC Mobile Switching Centre

66 ’Thanks for the visitor address!’ ’Thanks for the visitor address!’ ’I will send this address to the MSC that requested for it.’ ’I will send this address to the MSC that requested for it.’ HLR Home Location Register

70 ’Thank you, HLR!’ ’Thank you, HLR!’ Speech connection path will set up now towards the MSC/VLR where the B subscriber is presently located. Speech connection path will set up now towards the MSC/VLR where the B subscriber is presently located. MSC Mobile Switching Centre

74 Sets up a speech connection towards BSC. Sets up a speech connection towards BSC. Delivers B-subscriber ID to BSC and asks to page for the subscriber using that ID. Delivers B-subscriber ID to BSC and asks to page for the subscriber using that ID. MSC Mobile Switching Centre

78 BSC now sends a PAGING MESSAGE to all the BTSs that it covers/controls. BSC now sends a PAGING MESSAGE to all the BTSs that 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 available and allowable SIGNAL STRENGTH for called MS. Allocates a RADIO channel through a BTS with best available and allowable SIGNAL STRENGTH for called MS. Performs SPEECH CODING when call is established. Performs SPEECH CODING when call is established. BSC Base Station Controller

GSM TOWARD LTE COURSE OUTLINE

TOPICS Module-1Introduction of Communication and Wireless Concepts  History of Communication  Telecommunication Basics  Frequency, Range of Wireless Frequency  Channel Concept  Multiple Access Concepts and its types Module-2Cellular Generation Wireless Concepts  1st Generation of Cellular Communication (AMPS, TACS)  2 nd Generation of TDMA, GSM  3 rd Generation WCDMA  4 th Generation LTE Module-3 GSM Architecture  MS  BSS  NSS  Interfaces, Protocols

TOPICS Module-4GSM Channel Concepts  GSM Channels  Physical and Logical Channels Module-5Cell 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

TOPICS Module-8Call paths  Postpaid to Paid calls  Postpaid to Prepaid calls  Operator to Operator Calls  Mobile to PTCL calls Module-9Mobile Packet Backbone Network  OSI layer  IP Fundamentals  IP Routing, Protocols  MPLS Requirement in Telecom Module-10GSM Evolution Path  GSM Towards LTE  LTE Architecture  S-GWS, MME, eNode

THANK YOU

GSM TOWARDS LTE NETWORKS UPDATES. INTRODUCTION 2008--------------To date (Regional Manager NSS) 2006------------------2007 (Assistant Manager) 2005------------------2006.

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GSM TOWARDS LTE NETWORKS UPDATES. INTRODUCTION 2008--------------To date (Regional Manager NSS) 2006------------------2007 (Assistant Manager) 2005------------------2006.

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