COURSE CODE: CS-BSSNP BSS NETWORK PROFESSIONAL I – ADVANCED 2.5G GSM/EDGE ARCHITECTURE GSM Architecture Interfaces - Um, Abis, A, A-ter, A, B, C, D, E, F, etc. Base Transceiver Station BTS power classes and types - Ericsson RBS - Huawei BTS - ZTE SDR BTS Base Station Controller (BSC) - Ericsson BSC - Nokia BSC - Nortel BSC - Siemens BSC TRAU (Transcoding Rate Adaption Unit) Mobile Switching Center (MSC) Gateway Mobile Switching Center (GMSC) Short Messaging Service Center (SMSC) Location Register Servers - HLR (Home Location Register) - VLR (Visitor Location Register) GGSN (GPRS Gateway Serving Node) SGSN (Service GPRS Support Node) EIR Equipment Identity Register AuC (Authetication Center) OMC (Operations and Maintenance Center) II – FREQUENCY SPECTRUM & ACCESS SCHEMES Frequency Spectrum Frequency Allocation by PTA Types of GSM bands & application Uplink and Downlink Frequencies - 900MHz band - 1800 MHz Multiple Access Techniques and their practical utilization in Telecom - FDMA (Frequency Division Multiple Access) - TDMA (Time Division Multiple Access) - CDMA (Code Division Multiple Access) III – CHANNELS CALCULATION GSM Quick Facts Time slots in TDMA frame ARFCN (Absolute Radio Frequency Channel No.) P-GSM band E-GSM band R-GSM band Calculating Channel Practical: Softwares to acquire channels in GSM Network for Mobilink, Ufone, Telenor, Warid & Zong IV – 2.5G GSM IDENTITIES IMSI (International Mobile Subscriber Identity) TMSI (Temporary Mobile Subscriber Identity) LMSI (Local Mobile Subscriber Identity) MSISDN (MS Integrated Services Digital Network) MSRN (Mobile Station Roaming Number) IMEI (International Mobile Equipment Identity) LAC (Location Area Code) Why need LA ? LAI (Location Area Identity) CGI (Cell Global Identity) V – PHYSICAL & LOGICAL CHANNELS IN DETAIL Channels and its types Physical Channels Logical Channels - Broadcast channels (BCH) - FCCH (Frequency Correction Channel) - SCH (Synchronization Channel) - BCCH (Broadcast Control Channel) - PCH (Paging Channel) - RACH (Random Access Channel) - AGCH (Access Grant Channel) - SDCCH (Stand-Alone Dedicated Control Channel) - SACCH (Slow Associated Control Channel) - FACCH (Fast Associated Control Channel) - CBCH (Cell Broadcast Channel) - TCH (Traffic Channel) - EFR (Enhanced Full Rate) - FR (Full Rate) Incoming & outgoing call procedures VI – 2G / 3G NETWORK SPECIFICATIONS AMR (Adaptive MultiRate) codecs VAD (Voice Activity Detection) DTX (Discontinuous Transmission) DRX (Discontinuous Reception) CN (Comfort Noise) concept VII – CDMA NETWORKS 3GPP – 3rd Generation Partnership Project Architecture of CDMA Network Frequency Spectrum Differences from previous generations Advantages & Disadvantages Site design and types Utilization of GPS VIII – 3G WCDMA NETWORK Introduction to WCDMA Networks Allocation of frequencies UMTS Releases WCDMA RAN Architecture Similarities Transition from 2G to 3G RF Planning in 3G - Mobilink Network - Telenor Network - Zong Network - Ufone Network IX – WCDMA CHANNELS Uplink and Downlink Freq. Antenna requirements / TMA Channels in WCMDA UARFCN Calculations WCDMA BTS Structure E1 / IP media requirements WCDMA Sites X – SITE CELL CONFIGURATIONS SCC (Site Cell Configurations) - S111, S222 - S333, S444 - S666, S888 - S12/12/12 XI – IDENTIFYING 2G / 3G / 4G SITES Site Design & Structures Techniques to identify sites Sites practices of Operators - Zong, Mobilink, Ufone, Telenor, Warid XII –SITE DESIGN IDU Sites ODU Sites Greenfield sites Rooftop sites Monopole sites Camouflage sites Guyed Tower sites Lighting pole site XIII – 4G LTE NETWORK Introduction to LTE LTE Spectrum LTE Network Architecture Differences from old networks LTE Network features & component Transition from 2G & 3G Network Freq. Allocation LTE vs HSPA networks LTE performance & speeds XIV – LTE NETWORK IN DETAIL LTE Channels EARFN Calculations RF Planning in LTE - Warid - Mobilink - Zong Types of freq. planning techniques Advantages & disadvantages of each LTE Site design Site implementation - BBU - RRUs BBU & RRU connectivity Power specifications Video – LTE network testing XV – MACRO & MICRO SITES/NODEB/ENB DESIGN Macro sites Micro sites Pico sites Femto sites CoW/SoW sites Practical examples of sites deployed in Pakistan XVI – SITE MASTER Site Analyzers - Anritsu Site Master - Bird Site Tester Principle & Working of Site Analyzer Distance-to-fault (DTF) & Voltage Standing Wave Ratio VSWR TRX RF Monitoring Determining & analyzing VSWR results Troubleshooting RF faults Practical Hands-on software XVII – 2G & 3G FIELD TEST SOFTWARES Call / Neighboring BCCH testing Handover testing Testing Idle mode calls Testing Dedicated mode calls Testing TRX, TCH & TS Timing Advance techniques ARFCN/UARFCN testing Rx_Lev and CPICH measurements XVIII –TELECOM MANAGEMENT XIX – TELECOM SITE IMPLEMENTATION Site Acquisition principles Technical Site Surveys Civil works Tower Erection Shelter construction Site type Power deployment - Electrical panels - Genset XX – BTS COMMISSIONING Software hands-on Media allocation Commissioning Procedures Integration Method Correspondence with BSC/OMC Configuring the BTS Defining Internal/External Alarms Verification of Site Alarms Practical Hands-on software SITE VISIT Site Acquisition Civil works / Tower Erection Site design / Site type Power works and deployment Genset Installation / Maintenance Battery Backup System Microwave equipment Antenna subsystem CPRI / Feeder system SUITE#208, 2ND FLOOR, GULSHAN TRADE CENTER, BLOCK 5, GULSHAN-E-IQBAL, KARACHI CONTACT: +92 21 3481 0563 & CELL: +92 333 234 7886 & 0334 3088 416 INFO: [email protected] | WEB: www.commsolutions.org
© Copyright 2024 ExpyDoc
