LTE Physical Layer
3 Days
LTE Overview
LTE Protocol Architecture
OFDM & MIMO in LTE
Layer 1 Information Processing
Synchronization & Network Access
Downlink Transmission Procedures
Uplink Transmission Procedures
Hybrid-ARQ and Scheduling
LTE Evolution
Virtual Classroom Training
€ 2410 *
CLASSROOM TRAINING
€ 2410 *
RECORDED TRAINING
€ 550 *
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The course describes the physical layer (layer 1) aspects of the LTE (E-UTRA) radio interface. Downlink and uplink control channels for synchronization, scheduling, hybrid-ARQ operation and feedback signalling are described in detail.
The course describes the physical layer (layer 1) aspects of the LTE (E-UTRA) radio interface. Downlink and uplink control channels for synchronization, scheduling, hybrid-ARQ operation and feedback signalling are described in detail.
Prerequisites
Basic knowledge regarding the architecture, terminology and modes of operation of the LTE radio access network is highly recommended. Knowledge about UMTS High Speed Packet Access concepts is useful but not mandatory.
Course Outline
LTE 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
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