Contents
The course also includes a chapter on the evolution of the LTE physical layer standard (Release-10 to Release-13) for features such as carrier aggregation, enhanced MIMO and dual connectivity. Note: the course does not cover the TDD option for LTE.
Course outline
E-UTRA Overview
- Evolved Packet System network architecture
- Summary of radio techniques used in LTE
- Current status of the LTE/LTE-A standard
LTE Protocol Architecture
- Logical, transport and physical channels and their relation to the radio interface protocol stack
- Overview of RRC signalling and layer 2 functions relevant for proper layer 1 operation
OFDM & MIMO in LTE
- Overview of OFDM transmission: subcarriers, OFDM symbols, cyclic prefix, DFT processing
- LTE resource definitions: Resource Elements, RE Groups, Control Channel Elements, Resource Blocks
- Multi-antenna transmission basics
- LTE transmission modes
- LTE radio frame and subframe structure (mapping of control channels, data and reference signals)
Layer 1 Information Processing
- Channel coding and rate matching
- Scrambling and modulation
- Layer mapping, precoding and antenna mapping
Synchronization & Network Access
- P-SS, S-SS and the Physical Cell Id.
- Generation of pseudo-random sequences
- PBCH and system information
- RACH and the Random Access procedure
- Coding and mapping of the PRACH
Downlink Transmission Procedures
- Downlink control procedures on PCFICH and PDCCH
- Coding and mapping of the PCFICH and PDCCH
- Blind decoding of control channels in the UE: search spaces, aggregation levels and PDCCH formats
- Usage of different DCI contents
- Resource allocation type 0, 1 and 2
- Determination of MCS and TB size
Uplink Transmission Procedures
- Time-frequency mapping of the PUCCH region(s)
- Control signalling procedures on PUCCH
- Usage of different PUCCH/UCI formats
- Multiplexing UCI on PUSCH
- Coding and mapping of the PUCCH & PHICH
Hybrid-ARQ and Scheduling
- HARQ processes, timing, redundancy versions
- CQI and PMI/RI reporting options
- Scheduling request procedure
LTE Evolution
- Overview of LTE release 10 to release 15
- Transmission Mode 9
- Non-codebook based precoding
- New DM-RS reference signal mapping
- New CSI-RS reference signal mapping
- Carrier aggregation: basic concept
- Carrier aggregation: impact on control channels
- Dual connectivity: basic concept
- Dual connectivity: user plane options
