pdf_gross.gifLTE-A to LTE-C Design Details & System Engineering

[2-day course, Euro 2,350.- (net) per participant]

Course Description

From LTE to LTE-Advanced

  • LTE / LTE-A and their Playground

  • Genealogy of Cellular Radio

1st Generation, 2nd Generation, 3rd Generation, 4th Generation, 5th Generation

  • Requirements on a 4G-compliant Radio Technology

Detailed Description

  • History and Evolution Path of LTE

  • Generic LTE

  • LTE-A

  • LTE-B

  • LTE-C

  • Reviewing LTE Technology

  • Network Architecture: The EPC in Context with Legacy

EPC vs. EPS, Non-3GPP Access Networks (trusted / non-trusted), IMS and VoLTE, Zoom into EPS and E-UTRAN (Functional Overview of Core Network Elements within the EPC)

  • Protocol Stack

Control Plane, User Plane

  • Physical Layer of LTE…

Characteristics (OFDM , Scalable Bandwidth, Smart Antenna Technology, Extensive use of CDM, Duplex Modes), The Physical Resource: Frequency Bands for LTE (Part 1: Reserved for FDD, Part 2: Reserved for TDD), The OFDM Framework in LTE, Channels and Signals (1 Logical Channels:, Transport Channels, Physical Channels), Physical Signals (Downlink Synchronization Signals:, Downlink Reference Signals, Uplink Reference Signals), Organization of the Time-Frequency Grid (Regular Example, …with MBSFN-Subframe), Resource Allocation in LTE (Downlink, Uplink), Signal Processing Chain (The Term: "Codeword", The Term: "Layer", The Term: "Precoding"), The Transmission Modes (Transmission Modes and Antenna Ports)

  • The UE Categories with LTE-Advanced

Detailed Description

Carrier Aggregation

  • Types of Carrier Aggregation

  • Contiguous Intra-Band

  • Non-Contiguous Intra-Band

  • Inter-Band

  • Typical Application Scenarios of Carrier Aggregation

  • Cells are co-located and operate at similar Frequencies

  • F2 is primarily intended to improve Cell Edge Coverage

  • Hot Spots

  • Important Remarks about Carrier Aggregation

  • Meaning of a given CA-Configuration Term

Bandwidth Class and Bandwidth Combination Set

  • Example: CA-related UE-Radio Access Capabilities


  • Practical Exercise: Examine SupportedBandCombination

  • Carrier Aggregation Configurations Rel 10 - Rel 12

  • Intra-band Contiguous

Bandwidth Arithmetic for Contiguous Intra-Band Carrier Aggregation (Part 1: Channel Spacing between Adjacent Carriers, Part 2: Nominal Channel Spacing for Carrier Aggregation, Part 3: Minimum Channel Spacing for Carrier Aggregation)

  • Intra-band Non-Contiguous

  • Inter-Band

  • Resource Management with Carrier Aggregation

  • PCell and SCell

Important Remarks

  • Activation of SCells

  • Cross-Carrier Scheduling

  • RRC-Measurement Reporting

  • Legacy Measurement Events during Carrier Aggregation

Detailed Description

  • The new Measurement Event A6

Measurement Gaps, Detailed Description

  • Layer 1 Uplink Control Information

  • Overview: SR, HARQ, CSI, PUCCH/PUSCH

  • Uplink Modulation in Rel 10

  • Clustered SC-FDMA

Relay Nodes, HetNets, ICIC, eICIC, feICIC

  • Welcome to the "Small Cells" Family…

  • Overview

  • Relay Nodes

Types of Relay Nodes (Type 1 Relay Nodes, Type 2 Relay Nodes), Use Cases, Interfaces (Detailed Description, The Un-Interface), Inband vs Outband Operation (Detailed Description), R-PDCCH and Subframe Timing, Why are small cells that important?

  • HetNet as dominant Network Configuration

  • Practical Exercise: HetNet vs Hierarchical Network

  • Range Extension

Detailed Description

  • Inter Cell Interference Coordination (ICIC)

  • Interference in the Cellular Environment

Conclusions for the LTE and LTE-A Environment

  • ICIC Option 1: Use different Set of Resource Blocks

  • ICIC Option 2: Fractional Frequency Reuse

Detailed Description

  • Practical Exercise: Liabilities of ICIC

  • enhanced Inter Cell Interference Coordination (eICIC)

  • HetNet with Macro Cell and multiple small cells

Protecting the control region…

  • The EPDCCH


  • The Concept of Almost Blank Subframes (ABS)

Detailed Description

  • further enhanced Inter Cell Interference Coordination (feICIC)

  • Reduced Power ABS

  • Transmitter based Muting

  • Receiver based Puncturing

  • Receiver based Interference Cancellation

Advanced MIMO in LTE-A

  • Downlink Single User MIMO (SU-MIMO)

  • Support for TM 9 and 8 x 8 MIMO

  • DM-RS and CSI-RS

Precoding with TM 9

  • CSI-RS within the Physical Resource Block

  • Downlink Multi User MIMO (MU-MIMO)

  • Review: MU-MIMO in Rel 9

  • MU-MIMO in Rel 10

  • Uplink MIMO

  • Detailed Description

CoMP and C-RAN

  • Introduction to CoMP (Coordinated Multi Point Transmission)

  • Operation Principles

  • Primary Objectives

  • Relationship to Soft Handover

  • Relationship to Smart Antenna

  • Terminology

Cooperating Set, Measurement Set

  • Categories / Operation Modes

  • Joint Processing (JP)

Joint Transmission (JT), Joint Reception (JR), Dynamic Point Selection (DPS)

  • Coordinated Scheduling / Beamforming (CS/CB)

  • Scenarios

  • Scenario 1: Intra eNodeB CoMP

  • Scenario 2: Homogenous Network with central eNodeB

  • Scenario 3 and 4: eNodeB with Small Cells (HetNet)

  • Cloud or Centralized RAN (C-RAN)

  • The Idea and Architecture of C-RAN


  • Options of Voice Support over LTE


  • CSFB


  • VoLGA

  • FEMTO / PICO Cells

  • Over The Top (OTT)

  • IMS

  • LTE Voice Architecture with IMS

  • Operation of CSFB

  • Architecture in case of Circuit Switched Fallback (CSFB)

  • CS Fallback Solution Overview

  • CSFB Procedures

, Procedure Overview, The Principle of CSFB, Handover or Redirection

  • Example: CSFB for MTC from eUTRAN with Packet HO

  • Operation of SRVCC and IMS-based Solutions

  • Architecture in case of IMS-based Voice Services


  • IMS Centralized Services

UE enhanced for ICS, MSC-S enhanced for ICS

  • Architecture for IMS Service Centralization and Continuity

SCC AS , UE (normal or enhanced for ICS), MSC Server (normal or enhancements for ICS), IMS registration via CS access

  • Single Radio Voice Call Continuity (SRVCC)

SRVCC Evolution (eSRVCC, aSRVCC, rSRVCC, vSRVCC), SRVCC in Release 8, Enhanced SRVCC (eSRVCC) – Rel. 10, , Example: SRVCC from eUTRAN to GERAN with PS Bearer HO (HO Preparation:, Bearer Splitting:, PS to CS Handover Initiation, Relocation of PS Bearers, Session Transfer Initiation, Handover Execution, Session Transfer Signaling, CS Handover Completion, Deletion of the old voice bearer, PS Handover Completion, Additional Emergency Services Handling)

What else is on the Radar Screen?

  • Introduction and Overview

  • Various improvements…

FDD/TDD joint operation, New Carrier Type (NCT), LTE in unlicensed spectrum, 256-QAM, Machine Type Communication (MTC)

  • 3D-MIMO

  • Carrier Aggregation with more than 2 Carriers

  • Part-time Cells

  • Interworking LTE <=> WiFi

  • Device to Device Proximity Services (D2D)

  • Use Cases

  • Mobile Relay

  • And what about 5G?

  • New Radio

  • Network Evolution