Telecom Engineering Topics and Course – Practical Knowledge LTE (4G) RAN - RF Optimization LTE Basics for Optimization. LTE Network Architecture OFDMA LTE Frame Structure. Measurement (RSRP / RSRQ / SINR) User Plane & Control Plane. LTE Roaming Architecture. What is E-UTRAN? QoS Architecture Co-channel Interference in LTE. What is CINR (Carrier to Interference plus Noise Ratio)? Antenna Parameters in LTE. What is Downtilt of Antenna? MAC Scheduler in LTE. LTE Spectrum Planning Cell Edge Data Rates in LTE Networks. LTE Network Tunning. MBMS & MBSFN in LTE and 3G. Zadoff-Chu Sequences in LTE. CQI Parameter Improvement. Random Access Procedure. LTE Handover Latency. LTE Timing Advance. 4G Latency and Reliability Requirements. LTE Network Elements. eNodeB (eNB). Mobility Management Entity (MME). Serving Gateway (S-GW). Packet Data Network Gateway (PDN-GW). Area and Subscriber Identities. IMSI LMSI, TMSI, P-TMSI, M-TMSI, and S-TMSI What is GUTI? IMEI RNTI What is GUMMEI in LTE? What is Access Point Name (APN) in LTE Networks? Radio Interface Basics. OFDM Principles and Modulation. Multiple Access in OFDM – OFDMA. Resource Blocks of LTE OFDM Scheduling on LTE DL. Downlink Slot Structure. SC-FDMA Principles and Modulation. Scheduling on LTE UL. Uplink Slot Structure. Link Adaptation in LTE. Transport Channels in LTE. Channel Mapping and Multiplexing. Uplink Throughput in LTE. Physical Channels in LTE. Physical Downlink Control Channel (PDCCH). Physical Broadcast Channel (PBCH). Physical Downlink Shared Channel (PDSCH). Physical Multicast Channel (PMCH). Physical Control Format Indicator Channel (PCFICH). Physical HARQ Indicator Channel (PHICH). Reference Signals. Primary Synchronization Signal (PSS). Secondary Synchronization Signal (SSS). Physical Uplink Shared Channel (PUSCH). Physical Uplink Control Channel (PUCCH). Physical Random Access Channel (PRACH). Demodulation Reference Signals (DMRS). Sounding Reference Signal (SRS). LTE Optimization of Idle Mode Behavior. PLMN Selection LTE SIB Messages. LTE PCI Planning. LTE S-Criteria Control Channel (Adv. Mapping) Cell Reselection Criteria LTE Reselection Parameters. LTE Cell Selection Parameters. Tracking Area Update Paging Procedure of LTE. RACH (RSI Planning) Measurement (RSRP / RSRQ / SINR) What is RSRP? What is RSRQ? What is SINR in LTE? What is RSSI in LTE? What is CQI in LTE? What is PCI in LTE? LTE Signalling & Messages. LTE Cell Searching. PLMN and Cell Selection. Attach Procedure Signalling. LTE X2 Handover. S1 Handover in LTE. LTE Handover Call Flow Diagram. LTE Scheduler, QoS, Protocol Stack. LTE QoS & QCI Bearers Protocol Stack & L3-Messages LTE scheduler and C-DRX PDCCH Optimization LTE Protocols & It's Functions Radio Resource Control (RRC). S1 Application Part (S1AP) User Datagram Protocol (UDP). GPRS Tunneling Protocol (GTP). Transmission Control Protocol (TCP). Session Initiation Protocol (SIP). DIAMETER on EPC Interfaces. Radio Link Control (RLC) Protocol. Medium Access Control (MAC). Radio Interface Layer 2 Protocols. Internet Protocol (IPv4/IPv6). Ethernet Protocol. Packet Data Convergence (PDCP). Non-Access Stratum (NAS) Protocol. Stream Control Transmission Protocol (SCTP). LTE KPIs and Optimization Features. LTE Accessibility KPI Optimization. LTE Accessibility KPI Counters Mapping. LTE Retainability KPIs. LTE Traffic KPIs. LTE Availability KPIs. LTE Utilization KPIs. LTE Service Integrity KPIs. LTE Latency KPIs. Mobility Load Balance Features Carrier Aggregation Concept CSFB Features Carrier Aggregation (Configuration & Anchoring) LTE Key performance indicators Handover Strategy (Priority & Redirection based) MIMO Transmission Mode & Cross MIMO VOLTE L3 Messages & Configuration LTE Other Optimization. CSFB Optimization CSFB Failure Causes. Radio Link Supervision LTE Power Control Handover Algorithm LTE field analysis LTE Capacity management LTE Handover Delay Optimization. 4G Cluster Optimization. LTE Call Drop Analysis. RRC Connection Establishment Failures. E-RAB Connection Establishment Failures. LTE Throughput Analysis. Handover Failure Optimization. Ping-Pong Handover Optimization LTE SINR Optimization. LTE Network Protocol Architecture. Uu – Control/User Plane. S1 – Control/User Plane. S6a – Control Plane. S3/S4/S5/S8/S10/S11 – Control Plane/User Plane. LTE Air Interface. LTE Air Interface Technical Guide. Access Technique (OFDMA) FDD Frame Structure. LTE Throughput Calculation. LTE Cyclic Prefix. LTE Frequency planning. SC-FDMA. Control Channels. LTE Frequency Reuse. LTE Mobility and Resource Management. LTE Resources Management. Tracking Area Update. LTE Handover Basics. LTE Handover Common Problems and Cases. LTE Handover Parameters. S1-MME interface in LTE. LTE S6a Interface. S13 Interface in LTE. LTE Advanced Features. LTE Voice Options. MIMO Basics LTE Carrier aggregation Fundamentals LTE Optimization Procedure & Configurations. LTE and 3G KPI Improvement Report. LTE Throughput Calculation. Why 15 kHz Subcarrier Spacing is Used for LTE? VoLTE Optimization. VoLTE Audio Gap Optimization. VOLTE Technical Overview. LTE Tools. NETMAX and ZXPOX CNP. ZXPOS CNA. ZXPOS CNT. UMTS (3G) RAN - RF Optimization UMTS (3G) Fundamentals. 3G System Overview & Features. UMTS Network Architecture. UMTS Band. R99 PS Services. PDP Context Activation Procedure. What is CPICH? WCDMA HSDPA/HSUPA Dimensioning. UTRAN Protocols Optimization. What is RF Optimization? CDMA Concepts. CDMA Spreading Factor (SF). OVSF & Scrambling Codes Processing Gain. Idle Mode Behavior & Air Interface Protocols. 3G RRC States. UMTS Control Channel (Advanced Mapping) Protocol stack & Layer 3 Messages. Paging Technique & UMTS Registration Area. 3G Traffic FLow (RACH & Call Scenario). 3G Air Interface and Signaling for CS services. Counters & Statistics of 3G Air Interface Signalling. Cell Selection & Reselection Parameters. PRACH Parameter Optimization. Cell Selection & Reselection Procedure. 3G Mobility & Capacity Management. Handovers Power Control. 3G Resources. 3G Capacity Management. 3.5G (HSDPA) & 3.8G (HSPA+). 3G to 2G IRAT. 3G Field Problem Analysis. 3G DT Parameters. 3G-UMTS Drive Test. 3G Coverage & Quality Problems Analysis. 3G Data Throughput Problems Analysis. 3.5G (HSDPA) & 3.8G (HSPA+). Drive Test Optimization Process of 3G/UTRAN. 3G Analysis & KPIs Reports. SHO KPIs Improvement. 3G KPIs Report Main Issues. 3G Cluster Drive Test Report. CALL DROP CASSES IN WCDMA/3G. 3G KPI Improvement Report. LTE/3G KPI Improvement Report. 3G KPI Improvement Report 2nd. GSM (2G) RAN - RF Optimization GSM Concept. Mobile Generations & Frequency Reuse. Access Technique ( TDMA ). Cell sectorization / Location Area. Type of interference. Transcoding TRAU. Cell Search & authentication. GSM (2G) Network. GPRS (2.5G) Concept. GPRS Network. Routing Area and Coding Scheme. EDGE (2.7G) Routing Area Update (RAU) in 3G. GSM Air Interface. GSM Band and Duplex technique. Relation between Frequency and power. Time Advance. LAC & SDCCH Optimization. Cell Re-Selection Criteria C2. GSM Control Channels. Control Channel. Paging. RACH & SDCCH. GSM Idle Mode Behavior. PLMN Selection. Cell Selection criteria C1. 2G Paging Strategy. LAC & SDCCH Optimization. Cell Re-Selection Criteria C2. GSM Active Mode. Handover Alogrithm. Power Control in GSM. Location Area Scenario (BCCH Use Case). 2G Optimization Features. 2G Capacity Enhancement. Call Setup time Enhancement Features. Voice Quality Enhancement Features. Interoprebility (2G & 3G & 4G). CSFB (4G - 2G). CSFB (Ultra Flash & Fast return). Field Problem Analysis. Coverage & Quality Analysis. Call Block & Drop Analysis. 2G Key Performance Indicators. 2G Drive test (Cross Sector & feeder). 2G Drive Test (Main Field Problem). GSM Analysis & KPIs Reports. Capacity & Sites Expansion Drive Test Analysis & Postprocessing. KPIs Analyzing & Troubleshooting Part-1 KPIs Analyzing & Troubleshooting Part-2 KPIs Analyzing & Troubleshooting Part-3 Frequency Bands Explanation. GSM Specification for C/I and C/A. GSM/2G Network Pre-Post DT Report. Coverage Based Drive Test Analysis.