4G LTE (Long Term Evolution)

LTE Basics

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LTE Optimization of Idle Mode Behavior

What is PLMN (Public Land Mobile Network)? PLMN Selection What are LTE SIBs? What is PCI Planning and Design in LTE? LTE S-Criteria​ Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25

Physical Channels in LTE

PDCCH PBCH PDSCH PMCH PCFICH PHICH PSS SSS SRS DMRS PRACH PUCCH PUSCH

Features

MLB Feature NR Event 5G MIMO Coverage Throughput Packet Loss External Interference

Cluster Optimization

SINR Optimization Handover Failure Optimization Ping-Pong Handover Optimization Call Drop Analysis RRC Connection Establishment Failures E-RAB Connection Establishment Failures LTE Throughput Analysis

LTE Call Flow & Diagrams

LTE Handover Call Flow Diagram

Concepts

Receive Diversity Gain LTE FDD Throughput Calculations System Information Blocks (SIBs) RF Optimization (RAN) Interview Questions & Answers NETMAX and ZXPOX CNP ZXPOS CNA ZXPOS CNT Keyword 21 What is TA in LTE? Timing Advance Procedure What is LTE MAC Scheduler? What is PCI in LTE? What is CQI in LTE? What is RSSI in LTE? PDCCH and DMRS Time-Frequency Structures for PDCCH LTE Paging Procedure. What is S13 Interface in LTE Networks? What is LTE S6a Interface? What is S1-MME interface in LTE? What is LTE Tracking Area Code and Update? What is GPRS Tunneling Protocol (GTP) in LTE? S1 Handover in LTE – Inter-eNodeB Handover over the S1 Interface Signaling. LTE X2 Handover – Inter-eNodeB Handover over X2 Signaling LTE Attach Procedure Signalling. PLMN and Cell Selection in LTE What is LTE Cell Searching? Why 15 kHz Subcarrier Spacing is Used for 4G LTE? LTE Frame Structure. What is S1 Application Part (S1AP) Protocol? What is Multi-Radio Dual Connectivity (MR-DC) in 5G? How to Calculate LTE Throughput? What is PDCP in LTE? What is Non-Access Stratum (NAS) Protocol in LTE? What is Radio Resource Control (RRC) Protocol? What is Control Plane and User Plane in LTE? Protocol Architecture. What is LTE Roaming Architecture? What is E-UTRAN? Access Network of LTE Select What is LTE S1 Interface? S1 Protocol Structure What is QoS Class Identifier (QCIs) for LTE? LTE Network Architecture. What is LTE Air Interface? Best Technical Guide What is CINR (Carrier to Interference plus Noise Ratio)? LTE Frequency Reuse What are Antenna Parameters in LTE? What is Downtilt of Antenna? What is MAC Scheduler in LTE? Technical Depth What is PDSCH in LTE? What is FDD Frame Structure? What is Spectrum Planning of LTE? Cell Edge Data Rates in LTE Networks LTE Reselection Parameters. LTE Cell Selection Parameters. LTE Network Tunning What is Zadoff-Chu Sequences in LTE? Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25

LTE Optimization

RRC counters, failure causes and solution Load Control Parameters Handover Failure Counters eRAB Drop Counters and Solution eRAB Failure Counters and Solution Throughput Performance Optimization Parameter 5G NR Accessibility KPIs E-RAB Connection Establishment Failures PRACH Parameter Optimization RRC Connection Establishment Failures in LTE: Causes and Troubleshooting LTE Handover Optimization (Common Problems and Cases) LTE Call Drop Analysis LTE Handover Delay Optimization What is LTE Handover Latency? How to Optimize? Random Access Procedure in LTE with Parameter Optimization LTE Handover Parameters Huawei CQI Parameter Improvement. https://paktechpoint.com/csfb-failure-causes-scenarios-and-counters/ LTE Retainability KPI Optimization and Counter Mapping LTE Accessibility KPI and Counters Mapping.​ LTE Accessibility KPI and Detail Optimization. Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25 Keyword 25

LTE KPIs

LTE Availability KPIs LTE Utilization KPIs Service Integrity KPIs Latency in LTE Networks and Latency KPIs Traffic KPIs in LTE

LoRa Technology

Overview of LoRa Technology LoRa Communication Protocol LoRa Modulation

4G IEs

SINR RSRQ RSRP

Network Elements

Mobility Management Entity (MME) Packet Data Network Gateway (PDN-GW) Serving Gateway (S-GW) What is eNodeB?

Radio Interface Basics

OFDM Principles and Modulation Multiple Access in OFDM – OFDMA What is Resource Block in LTE? OFDM Scheduling on LTE DL Downlink Slot Structure Uplink Slot Structure SC-FDMA Principles and Modulation Scheduling on LTE UL What is LTE Link Adaptation? Channel Mapping and Multiplexing Transport Channels in LTE What is Uplink Throughput in LTE?

Area and Subscriber Identities

IMSI LMSI, TMSI, P-TMSI, M-TMSI, and S-TMSI IMEI What is GUTI in LTE? What is GUMMEI in LTE? What is Access Point Name (APN) in LTE Networks?

LTE Interview Questions

What information is carried on the PDCCH? What are the control channel differences between NR and LTE? Difference among 2G/3G/4G/5G Sites.

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