LTE Advanced

Subject: LTE-A and 5G
Category:Emerging Techniques
Duration: 3 days

Course outline:

Introduction to LTE Advanced

● Evolution path of 3GPP LTE systems (standardization time plan in 3GPP)
● Features of LTE releases
● Requirements and performance targets of LTE Advanced and its relation to requirements of IMT Advanced for 4G systems
● Identified IMT-Advanced spectrum allocations
● Release 8 and 9 air interface features
● Summary of LTE-Advanced enhancements on the radio interface
● LTE Bands, bandwidths, throughputs and UE categories
● Possible services for LTE-Advanced (e.g. positioning, internet of things, MBMS, broadband access, etc.)

EPS Network Architecture Improvements

● Release 8 nodes and interfaces (UE, eNB, MME, SGW, PGW)
● Release 9 scenarios (MBMS, Positioning)
● Release 10 enhancements in EPS (added Relays and enhanced Home eNodeB)

E-UTRA Rel. 9 Features

● Multimedia Broadcast Multicast Service (MBMS)
● MBMS architecture and PHY issues
● Self-organizing and self-optimizing networks (SON)
● SON architecture and functionalities
● LTE Positioning concept, architecture and possible location services

E-UTRA Rel. 10 PHY Enhancements

● Multicarrier transmission (OFDM/OFDMA/SCFDMA)
● Refreshment of the Rel. 8 E-UTRA (including protocol stacks, downlink and uplink radio frames, PHY channels and signals)
● Clustered SCFDMA for uplink in Rel. 10
● Bandwidth extension by carrier aggregation (use of component carriers)
● Processing of Component carriers
● Various scenarios of carrier aggregation
● RF aspects related to carrier aggregation
● Enhanced Downlink MIMO (for up to 8 antennas)
● Additional Downlink MIMO reference symbols for higher order MIMO (CSI-RS, DM-RS)
● Processing chain for DL MIMO (and comparison to Rel. 8 processing chain)
● New UL MIMO schemes (SU-MIMO for PUSCH and TX Diversity for PUCCH)
● Processing chain for UL MIMO (and comparison to Rel. 8 processing chain)

E-UTRA Rel. 10 Protocols and Procedures

● Protocol stack for Carrier Aggregation
● CA procedures (addition and release, activation and deactivation of component carrier)
● Primary and Secondary Component Carriers for Downlink OFDMA and Uplink SCFDMA
● Idle and Connected mode issues (System info acquisition and RRC signaling for CA usage, RRC idle-to-connected state change and HO timing requirements)
● CA challenges (scheduling and Handover aspects)
● MAC issues with relation to CA: user data allocation and signaling aspects (including cross carrier scheduling)
● Additional L1 signaling formats (PUCCH format 3 and DCI format 4)

E-UTRA Rel. 10 Relays

● Relay concept and roles for capacity and coverage enhancements
● Types of relays (Repeaters and Relay Nodes)
● L3-Relay Node (RN) in LTE-Advanced specifications (protocol stacks, architecture and roles of DeNB)
● RN procedures (activation and relaying operation)
● L1 issues (R-PDCCH & MBSFN sub-frame usage for relay link)
● Timing requirements for relay link

E-UTRA Rel. 10 Home eNBs, HetNets and SON

● LTE HeNB architecture possibilities (HeNB, HeNB GW and SeGW)
● Access control and CSG management (types of cells: open, hybrid and closed)
● Heterogeneous Network (HetNet) concept (Macro, Pico, Femto cells and relays)
● Interference scenarios
● LTE inter cell interference coordination (ICIC) in time and frequency

E-UTRA Release 11 and Beyond Features

● Cooperative Multipoint Transmission/Reception
● CoMP downlink and uplink scenarios
● Mobile Type Communications (MTC) concept and possible services
● Mobile Relays concept

LTE Advanced Deployment

● Backward compatibility to LTE Rel. 8 requirements
● Transparency of Relay nodes (and RNs deployment issues)
● Migration from LTE Rel. 8 to LTE Advanced Rel. 10
● HetNet deployment

LTE Advanced Demo and Experiments (tool-based)

● Usage of 8 antennas in the downlink for spatial multiplexing
● Spatial multiplexing in the uplink
● Bandwidth aggregation

To receive more information: