LTE - Signaling & Layer 1 Design
Introduction to LTE
- Requirements on LTE
- General Requirements
- SON (self optimizing network) Introduction , Automatic Neighbor Reporting (ANR) Introduction
- SON (self optimizing network) Introduction , Automatic Neighbor Reporting (ANR) Introduction
- General Requirements
- Important Characteristics of LTE Physical Layer
- eNodeB Self-Configuration, Automatic Neighbor Relation (ANR), Inter Cell Interference Coordination (ICIC), Fast Frequency Domain Scheduling (FFDS) combined with Adaptive Modulation & Coding (AMC), Low complexity Network (UE and E-UTRAN)
- eNodeB Self-Configuration, Automatic Neighbor Relation (ANR), Inter Cell Interference Coordination (ICIC), Fast Frequency Domain Scheduling (FFDS) combined with Adaptive Modulation & Coding (AMC), Low complexity Network (UE and E-UTRAN)
- Network Structure – Interworking between legacy & new Core
- Control Plane / E-UTRAN – EPC, User Plane E-UTRAN – EPC (S5/S8 GTP-based), SGSN Selection of PDN-GW versus GGSN
- Control Plane / E-UTRAN – EPC, User Plane E-UTRAN – EPC (S5/S8 GTP-based), SGSN Selection of PDN-GW versus GGSN
- Smart Antenna Technology in LTE
- Categorization of Smart Antenna Technologies
- Categorization of Smart Antenna Technologies
- The Frequency Bands Intended for LTE (up to Rel. 10)
- Exclusive usage, Refarming – phasing out legacy Access Networks,
- Licensed operation, Unlicensed operation
- E-UTRAN Channel Bandwidth and E-UARFCN's
- E-UTRAN Absolute Radio Frequency Channel Numbering
- Flexible Bandwidths and their Consequences
- LTE and System Architecture Evolution (SAE)
- Evolved Packet Core in Context
- EPC vs. EPS, Non-3GPP Access Networks (trusted / non-trusted), EPS Architecture for Voice Support (CSFB or VoIPIMS with SRVCC) – How is SMS supported?, UE Mode of Operation upon Attach – Voice Domain Preference and UE's Usage Setting
- EPC vs. EPS, Non-3GPP Access Networks (trusted / non-trusted), EPS Architecture for Voice Support (CSFB or VoIPIMS with SRVCC) – How is SMS supported?, UE Mode of Operation upon Attach – Voice Domain Preference and UE's Usage Setting
- Zoom into the EPS (Evolved Packet System)
- Functional Overview of Core Network Elements within the EPC, eNodeB Synchronization Requirements for FDD and TDD
- Functional Overview of Core Network Elements within the EPC, eNodeB Synchronization Requirements for FDD and TDD
- Evolved Packet Core in Context
- The E-UTRAN Protocol Stack
- Control Plane Protocol Stack
- Air Interface protocols
- Air Interface protocols
- User Plane Protocol Stack
- Air Interface protocols, S1 protocol
- Air Interface protocols, S1 protocol
- X2 Interface Control Plane Protocol Stack
- X2 User Plane Protocol Stack
- Control Plane Protocol Stack
- Overview Channels of E-UTRAN
- Channel Types
- Logical Channels, Transport Channels, Physical Channels
- Logical Channels, Transport Channels, Physical Channels
- Introducing Logical Channels of E-UTRAN
- BCCH – Broadcast Control Channel, PCCH – Paging Control Channel, CCCH – Common Control Channel , MCCH – Multicast Control Channel (from Rel. 9 onwards), DCCH – Dedicated Control Channel, DTCH – Dedicated Traffic Channel, MTCH – Multicast Traffic Channel (from Rel. 9 onwards)
- BCCH – Broadcast Control Channel, PCCH – Paging Control Channel, CCCH – Common Control Channel , MCCH – Multicast Control Channel (from Rel. 9 onwards), DCCH – Dedicated Control Channel, DTCH – Dedicated Traffic Channel, MTCH – Multicast Traffic Channel (from Rel. 9 onwards)
- Introducing Transport Channels of E-UTRAN
- RACH – Random Access Channel, UL-SCH – Uplink Shared Channel, BCH – Broadcast Channel , PCH – Paging Channel, MCH – Multicast Channel, DL-SCH – Downlink Shared Channel
- RACH – Random Access Channel, UL-SCH – Uplink Shared Channel, BCH – Broadcast Channel , PCH – Paging Channel, MCH – Multicast Channel, DL-SCH – Downlink Shared Channel
- Physical Channels of E-UTRAN
- PBCH, PDCCH, PCFICH, PUCCH, PRACH, PHICH, PDSCH, PMCH, PUSCH, Downlink reference signal, Primary and secondary synchronization signal, Uplink reference signal or UL pilot symbol, Uplink sounding reference signal (SRS), Random Access Preamble
- PBCH, PDCCH, PCFICH, PUCCH, PRACH, PHICH, PDSCH, PMCH, PUSCH, Downlink reference signal, Primary and secondary synchronization signal, Uplink reference signal or UL pilot symbol, Uplink sounding reference signal (SRS), Random Access Preamble
- Mapping of Channels in E-UTRAN
- Channel Types
- Attachment through E-UTRAN / new MME
- EMM Combined Attach Request & Accept , Established User Bearers and Channel Types after Default EPS Bearer Activation
- Network Layout and Important Identifiers
- Organization of the E-UTRAN, Tracking Areas, NAS Identifiers of the UE (Mobility Management), M-TMSI and S-TMSI, UE-ID for Paging in legacy GSM, GPRS and UMTS as well in E-UTRAN, GUTI (Globally Unique Temporary UE Identity), Conversion of LAI/RAI and TMSI resp. P-TMSI to GUTI
- EMM Combined Attach Request & Accept , Established User Bearers and Channel Types after Default EPS Bearer Activation
Key Technologies of the LTE Physical Layer
- Generic Assessment of Smart Antenna Techniques
- Physical Basics of the Multipath Dimension
- Signal Fading and Alteration between Tx and Rx, Scattering, Refraction, Reflection, Diffraction, Consequences for the different Signal Paths, Macro-Diversity vs Micro-Diversity, Spatial Multiplexing Introduction
- Signal Fading and Alteration between Tx and Rx, Scattering, Refraction, Reflection, Diffraction, Consequences for the different Signal Paths, Macro-Diversity vs Micro-Diversity, Spatial Multiplexing Introduction
- Spatial Multiplexing - “True” MIMO
- MIMO and AAS combined = multiple rank beamforming, When MIMO fails, The Codebook – Rank & Precoding Vectors, Optimum beamforming weights, Signaling of sub-optimum beamforming weights, Signaling of used Smart Antenna Algorithms, Conditions for closed loop algorithms, Conditions for open loop algorithms, PDCCH scheduling indications, Single User- vs Multi User-MIMO, MIMO Channel Matrix -Spatial Multiplexing
- MIMO and AAS combined = multiple rank beamforming, When MIMO fails, The Codebook – Rank & Precoding Vectors, Optimum beamforming weights, Signaling of sub-optimum beamforming weights, Signaling of used Smart Antenna Algorithms, Conditions for closed loop algorithms, Conditions for open loop algorithms, PDCCH scheduling indications, Single User- vs Multi User-MIMO, MIMO Channel Matrix -Spatial Multiplexing
- STBC and SFBC
- Transmit Beamforming – suboptimum Beamforming
- Smart Antenna Techniques in LTE
- Overview, Receive Diversity, SFBC (for 2 TX-Antenna Ports), SU-MIMO, MU-MIMO, Transmit Beamforming, Processing Chain and Terminology, Purpose of Scrambling in LTE, The Term: "Codeword" (CW), The Term: "Layer" – Spatial Layer, The Term: "Precoding", Cyclic Delay Diversity (CDD), Antenna Port vs Antenna
- Overview, Receive Diversity, SFBC (for 2 TX-Antenna Ports), SU-MIMO, MU-MIMO, Transmit Beamforming, Processing Chain and Terminology, Purpose of Scrambling in LTE, The Term: "Codeword" (CW), The Term: "Layer" – Spatial Layer, The Term: "Precoding", Cyclic Delay Diversity (CDD), Antenna Port vs Antenna
- Transmission Modes and signaled DCI
- Overview on Rank Indicator & Transmission Mode (2 TX)
- Single Antenna Port 0 – Transmission Mode 1, Closed Loop Rank 1 Beamforming – Transmission Mode 6, Closed Loop SM or Open Loop SM (Large Delay CDD) – TM3 and TM4, Transmit Diversity (SFBC) – Transmission Mode 2
- Single Antenna Port 0 – Transmission Mode 1, Closed Loop Rank 1 Beamforming – Transmission Mode 6, Closed Loop SM or Open Loop SM (Large Delay CDD) – TM3 and TM4, Transmit Diversity (SFBC) – Transmission Mode 2
- Overview on Rank Indicator & Transmission Mode (4 TX)
- Single Antenna Port:0 – “Transparent” Precoding (TM 1)
- Transmit Diversity – SFBC (Space Frequency Block Coding) Details for 2 Antenna-ports (TM 2)
- Closed Loop Rank 1 Beamforming (e.g. TM 6 or fallback of TM 4)
- General beam-forming
- General beam-forming
- Closed Loop Spatial Multiplexing (TM 4) - 2 TX Ports
- Open Loop Spatial Multiplexing - large CDD
- Cyclic-delay diversity
- Cyclic-delay diversity
- Taxonomy of Antenna Configurations in Rel. 8
- Physical Antenna Categorization, Antennas for MIMO
- Physical Antenna Categorization, Antennas for MIMO
- Physical Basics of the Multipath Dimension
- OFDM (Orthogonal Frequency Division Multiplex)
- The Multipath Phenomenon
- Single Carrier Modulation and Channel Equalization, Delay Spread, Multipath-induced Time Delays result in ISI
- Single Carrier Modulation and Channel Equalization, Delay Spread, Multipath-induced Time Delays result in ISI
- Technique behind OFDM – FFT (Fast Fourier Transform)
- Basics on FFT / IFFT , IFFT/FFT processing , How does the FFT process keep the individual modulated carriers from interfering with one another? , How is OFDM implemented ? , What are the downsides to OFDM? , And what is OFMDA? , How is OFDMA accomplished?
- Basics on FFT / IFFT , IFFT/FFT processing , How does the FFT process keep the individual modulated carriers from interfering with one another? , How is OFDM implemented ? , What are the downsides to OFDM? , And what is OFMDA? , How is OFDMA accomplished?
- Simple OFDM Processing Chain
- Impact of Orthogonality in the Frequency Domain
- Practical Exercise: Physical Basics of OFDM / OFDMA
- Practical Exercise: Physical Basics of OFDM / OFDMA
- OFDM / OFDMA and IFFT
- Considering a Discrete Oscillator Array Option, Details of the IFFT Option, Why is it called F a s t Fourier Transformation?, Considering UMTS Clock of 3.84 MHz and 15 kHz Subcarrier Spacing
- Considering a Discrete Oscillator Array Option, Details of the IFFT Option, Why is it called F a s t Fourier Transformation?, Considering UMTS Clock of 3.84 MHz and 15 kHz Subcarrier Spacing
- Modulation Scheme Overview
- Tackling Inter-Symbol Interference (ISI)
- Introduction, Delay Spread, Cyclic Prefix (CP), Variable Duration and other Assets of the Cyclic Prefix, Inter Carrier Interference (ICI)
- Introduction, Delay Spread, Cyclic Prefix (CP), Variable Duration and other Assets of the Cyclic Prefix, Inter Carrier Interference (ICI)
- From generic OFDM/OFDMA to the LTE-Implementation
- LTE specific OFDM/FFT and subcarrier Parameters, Time / Frequency View on OFDM: The "Grid", Subcarrier Spacing in LTE, Transmission Bandwidth in LTE, Definition of Radio Frame, Sub-Frame and Slot in LTE, Cyclic Prefix Options in LTE, Definition of Slot, Subframe and Radio Frame, Resource Block Pair and TTI in LTE, Virtual vs Physical Resource Blocks, System Bandwidth and Resource Blocks, Uplink Carrier Leakage – SC-FDMA
- LTE specific OFDM/FFT and subcarrier Parameters, Time / Frequency View on OFDM: The "Grid", Subcarrier Spacing in LTE, Transmission Bandwidth in LTE, Definition of Radio Frame, Sub-Frame and Slot in LTE, Cyclic Prefix Options in LTE, Definition of Slot, Subframe and Radio Frame, Resource Block Pair and TTI in LTE, Virtual vs Physical Resource Blocks, System Bandwidth and Resource Blocks, Uplink Carrier Leakage – SC-FDMA
- The Multipath Phenomenon
- SC-FDMA
- Why SC-FDMA? - Amplifier Backoff & Cubic Metric
- PAPR of Single-Carrier vs. Multi-Carrier Systems
- PAPR of Single-Carrier vs. Multi-Carrier Systems
- The Processing Chain of SC-FDMA
- Example: Processing Data through SC-FDMA
- Step 1 : Converting Binary Information into Sub-Symbols, Duration of a single Sub-Symbol, Step 2: Preparation of DFT / Number Conversion
Step 3: Introducing the Formula of DFT
Transform Precoding for SC-FDMA, SC-FDMA baseband signal generation
Step 4: Execution of M-Point DFT
Step 4: Final Result of the DFT: The 4 Subcarriers
Step 5: Shifting the Subcarriers to the Correct Frequency, Power Amplifier Backoff and Cubic Metric
Step 6: Execution of IFFT on Subcarrier x[0..3]
- Step 1 : Converting Binary Information into Sub-Symbols, Duration of a single Sub-Symbol, Step 2: Preparation of DFT / Number Conversion
- Why SC-FDMA? - Amplifier Backoff & Cubic Metric
- Introducing CAZAC-Sequences (Constant Amplitude Zero Aut-correlation)
- Reviewing Autocorrelation Properties
- Zadoff-Chu Sequence Generation in LTE
- Zadoff-Chu Sequence Generation in LTE
- Reviewing Autocorrelation Properties
Physical Layer Details
- UE Transmitter and Receiver Characteristics
- UE Maximum Output Power
- UE Receiver Sensitivity for QPSK
- E-UTRA UE's Reference Sensitivity (Chart)
- Fixed Reference Channel for Receiver Requirements (FDD)
- UE Maximum Output Power
- Deep Dive into LTE's Physical Layer
- Practical Exercise: PHY Throughput Calculation for OFDM
- Mapping Physical Channels to the OFDMA-Grid
- Problem Description, Mapping of Downlink Channels and Signals, Primary & Secondary Synchronization Signals and PBCH, Content and Meaning of PSC and SSC, Content and Meaning of the PBCH, PCFICH – Physical Control Format Indicator Channel, PHICH – Physical Hybrid ARQ Indicator Channel , PDCCH – Master Control for uplink & downlink Resource Allocation, Relationship between PDCCH and PDSCH, Range of DCI formats and possible RNTI's, RRC Transmission Mode (tm) and DCI on PDCCH, Example for Downlink Resource Allocation:
DCI-Format 1 / Resource Allocation Type 0, Relationship between PDCCH and PUSCH, Example for Uplink Resource Allocation: DCI-Format 0 / Resource Allocation Type 2
- Problem Description, Mapping of Downlink Channels and Signals, Primary & Secondary Synchronization Signals and PBCH, Content and Meaning of PSC and SSC, Content and Meaning of the PBCH, PCFICH – Physical Control Format Indicator Channel, PHICH – Physical Hybrid ARQ Indicator Channel , PDCCH – Master Control for uplink & downlink Resource Allocation, Relationship between PDCCH and PDSCH, Range of DCI formats and possible RNTI's, RRC Transmission Mode (tm) and DCI on PDCCH, Example for Downlink Resource Allocation:
- FDD Time Structure / Frequency Grid in downlink
- Reference Signals - Pilot RE's, Synchronization Signals , Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS), Physical Broadcast (PBCH), Physical Control Format Indicator Channel (PCFICH), Physical Downlink Control Channel (PDCCH), PDSCH and PMCH
- Reference Signals - Pilot RE's, Synchronization Signals , Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS), Physical Broadcast (PBCH), Physical Control Format Indicator Channel (PCFICH), Physical Downlink Control Channel (PDCCH), PDSCH and PMCH
- Uplink Time-Frequency Grid (FDD)
- Uplink Demodulation Reference Signals, Basic Principles behind uplink DRS transmission, Uplink Sounding Reference Signals (SRS), Uplink Layer 1/Layer 2 Control Signaling on PUCCH, Physical Uplink Shared Channel (PUSCH)
- Uplink Demodulation Reference Signals, Basic Principles behind uplink DRS transmission, Uplink Sounding Reference Signals (SRS), Uplink Layer 1/Layer 2 Control Signaling on PUCCH, Physical Uplink Shared Channel (PUSCH)
- Practical Exercise: PHY Throughput Calculation for OFDM
- HARQ & IR for DL-SCH and UL-SCH
- Principle of Incremental Redundancy (IR)
- Stop & Wait Processes – HARQ RTT in E-UTRAN
- Rate Matching for PDSCH/PUSCH
- Principle of Incremental Redundancy (IR)
- PDSCH and PUSCH Resource Allocation Types
- Localized versus Distributed RB Allocation
- Virtual Resource Block
- Virtual Resource Block
- Downlink Control Information (DCI) Formats & 'TM'
- Transmission Mode for PDSCH, DCI Format Details, Transport Block Size Table (dimension 27 index's ×110 RB's), Modulation and TBS index table for PDSCH
- Transmission Mode for PDSCH, DCI Format Details, Transport Block Size Table (dimension 27 index's ×110 RB's), Modulation and TBS index table for PDSCH
- Resource Block Allocation Type 0, 1 and 2
- Resource Allocation Type 0, Resource Allocation Type 1, Resource Allocation Type 2
- Resource Allocation Type 0, Resource Allocation Type 1, Resource Allocation Type 2
- Practical Exercise: Derive the allocated RB's of a Resource Allocation Type 1
- Localized versus Distributed RB Allocation
- Physical Channel Details
- Primary and Secondary Sync Signals – FDD vs. TDD
- Details on Primary Synchronization Signal (PSS) Sequences, Details on Secondary Synchronization Signal (SSS) Sequences, Cell Search Performance
- Details on Primary Synchronization Signal (PSS) Sequences, Details on Secondary Synchronization Signal (SSS) Sequences, Cell Search Performance
- Downlink Reference Signals (Pilot)
- Common Reference Signals, UE-specific Reference Signal (RS), Practical Exercise: Calculate RSRP and RSRQ, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ) , LTE Measurements: RSRQ and RSRP
- Common Reference Signals, UE-specific Reference Signal (RS), Practical Exercise: Calculate RSRP and RSRQ, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ) , LTE Measurements: RSRQ and RSRP
- PBCH Details for FDD
- MIB Parameter Details, PBCH Transmission over 40 ms
- MIB Parameter Details, PBCH Transmission over 40 ms
- Physical Downlink Control Channel PDCCH
- PDCCH Formats (CCE's), Blind Decoding of PDCCH , PDCCH Candidates monitored by a UE, PDCCH CRC Attachment and Construction, Scheduling Process
- PDCCH Formats (CCE's), Blind Decoding of PDCCH , PDCCH Candidates monitored by a UE, PDCCH CRC Attachment and Construction, Scheduling Process
- Physical Downlink Shared Channel (PDSCH)
- Downlink Transport Block Processing, Downlink HARQ and Timing
- Downlink Transport Block Processing, Downlink HARQ and Timing
- Physical uplink Shared Channel (PUSCH)
- Uplink HARQ Timing
- Uplink HARQ Timing
- Primary and Secondary Sync Signals – FDD vs. TDD
- Uplink Control Signaling
- PUCCH and UCI (Uplink Control Indicator)
- PUCCH Format 1, 1a and 1b, PUCCH Format 2, 2a and 2b, PUSCH taking over Control Signaling
- PUCCH Format 1, 1a and 1b, PUCCH Format 2, 2a and 2b, PUSCH taking over Control Signaling
- PUCCH and UCI (Uplink Control Indicator)
- Important Physical Layer Procedures
- E-UTRAN Cell Search – Blind CP Detection
- Synchronization Sequences and Cell Search in LTE, Secondary Synchronization Signal (SSS) Sequences, Cell Search Performance in LTE, Cell Search with Basic NAS and AS Procedure's
- Synchronization Sequences and Cell Search in LTE, Secondary Synchronization Signal (SSS) Sequences, Cell Search Performance in LTE, Cell Search with Basic NAS and AS Procedure's
- Random Access
- PRACH Structure Format 0, Random Access Procedure in E-UTRAN, Contention based and non-contention based random access procedure
- PRACH Structure Format 0, Random Access Procedure in E-UTRAN, Contention based and non-contention based random access procedure
- Timing Advance Control
- Principle, Procedure, TA while the UE is not synchronized to the eNB, TA while the UE is synchronized to the eNB
- Principle, Procedure, TA while the UE is not synchronized to the eNB, TA while the UE is synchronized to the eNB
- Uplink Power Control Principle (PUCCH and PUCCH)
- Uplink Power Control Formulas , Power Control for PUCCH, Power Control for PUSCH
- Uplink Power Control Formulas , Power Control for PUCCH, Power Control for PUSCH
- E-UTRAN Cell Search – Blind CP Detection
- Channel Estimation DL
- Channel Estimation Principle of LTE
- The description of the mobile radio channel, Coping with a frequency selective mobile radio channel, Coping with the time variance of the mobile radio channel
- The description of the mobile radio channel, Coping with a frequency selective mobile radio channel, Coping with the time variance of the mobile radio channel
- Channel Estimation Downlink
- Normal configuration with 4 TX antennas, Normal configuration with less than 4 TX antennas, Extended configuration with 15 kHz subcarrier spacing, Extended configuration with 15 kHz subcarrier spacing for MBSFN, Extended configuration with 7.5 kHz subcarrier spacing for MBSFN
- Normal configuration with 4 TX antennas, Normal configuration with less than 4 TX antennas, Extended configuration with 15 kHz subcarrier spacing, Extended configuration with 15 kHz subcarrier spacing for MBSFN, Extended configuration with 7.5 kHz subcarrier spacing for MBSFN
- Channel Estimation Principle of LTE
- UE Throughput Classes
- Overview – Throughput in downlink and uplink
- Classes 1-4, UE class 5
- Calculation of the DL Peak Throughput for LTE UE Class 5
- Overview – Throughput in downlink and uplink
RRC Signaling in LTE
- Differences between UMTS RRC and LTE
- Reduced User Plane Latency in E-UTRAN
- Reduced Control Plane Latency (State Changes) in LTE
- State Characteristics of RRC (E-UTRAN)
- Characteristics of RRC_IDLE, Characteristics of RRC_CONNECTED
- Characteristics of RRC_IDLE, Characteristics of RRC_CONNECTED
- E-UTRAN Signaling Radio Bearers (SRB's)
- Overview
- Overview
- E-UTRA States and Inter RAT Mobility Procedures
- RRC_IDLE, RRC_CONNECTED:, Mobility Control in RRC_IDLE and RRC_CONNECTED, Mobility in RRC_IDLE mode, Mobility in RRC_Connected mode , Connection Re-Establishment Procedure, Handover to LTE, Mobility from LTE
- RRC_IDLE, RRC_CONNECTED:, Mobility Control in RRC_IDLE and RRC_CONNECTED, Mobility in RRC_IDLE mode, Mobility in RRC_Connected mode , Connection Re-Establishment Procedure, Handover to LTE, Mobility from LTE
- Reduced User Plane Latency in E-UTRAN
- RRC Messaging
- End to End Protocol Stack Overview (AS + NAS)
- System Information Broadcasting & Acquisition
- Paging Procedure in E-UTRAN for PS and CS Domain
- Example Message Flows (AS + NAS)
- RRC Establishment Procedure including Attach and PDN Connectivity Request , Default EPS Bearer Activation on RRC
- RRC Establishment Procedure including Attach and PDN Connectivity Request , Default EPS Bearer Activation on RRC
- Inter RAT RRC Procedures
- Handover to E-UTRA (incoming HO from other RAT), Mobility from E-UTRA (Outgoing - towards other RAT's), Reception of the MobilityFromEUTRACommand by the UE, Inter-RAT cell change order from GERAN to E-UTRAN
- Handover to E-UTRA (incoming HO from other RAT), Mobility from E-UTRA (Outgoing - towards other RAT's), Reception of the MobilityFromEUTRACommand by the UE, Inter-RAT cell change order from GERAN to E-UTRAN
- End to End Protocol Stack Overview (AS + NAS)
- Handover in LTE
- UTRAN and E-UTRAN differences in mobility UTRAN
- Measurements
- Report Configuration of Inter-RAT Neighbors (GERAN/UTRAN)
- Example of E-UTRAN Measurement Control
- Example for Intra-Frequency Hard HO
- Example for Intra-Frequency Hard HO
- Measurement Events in E-UTRAN
- Event Triggered (Periodical) Reporting
- Intra Frequency ANR (Automatic Neighbor Reporting), Intra Frequency ANR Definition
- Intra Frequency ANR (Automatic Neighbor Reporting), Intra Frequency ANR Definition
- UTRAN and E-UTRAN differences in mobility UTRAN
- NAS Message Transfer (EMM, ESM) and SMS
- RRC Procedure Delay
- Introduction
- Fixed Procedure Delay Values for eNB originated RRC
- Conditionally mandatory Release 9 features
- Conditionally mandatory Release 9 features
- Introduction
- Measurement Gaps and Compressed Mode
- Measurement Gaps in LTE
- Compressed Mode in UMTS for E-UTRAN Measurements
- Measurement Gaps in LTE
- Rel. 8 Access Stratum Feature Handling & Group Indicator -Early UE Handling
- First Part of Feature Group Table
- Second Part of Feature Group Table
- Rel. 9 Features supposed to be tested
- Rel. 9 Features supposed to be tested
- UMTS Rel. 8 – LTE FGI for Mobility to E-UTRAN
- UMTS - UE Multi-mode/Multi-RAT Capability
- UMTS - UE Multi-mode/Multi-RAT Capability
- Mobility from LTE towards other RAT's & Inter-frequency HO
- First Part of Feature Group Table
- Layer 1 and Layer 2 Drops in LTE
- Layer 1 Drop – Radio Link Failure
- Intra LTE Handover Event A3 – Drop in case of Slow HO, Radio Link Failure – N310 consecutive out of Sync's, Radio Link Monitoring Testing – SNR levels for Qin & Qout
- Intra LTE Handover Event A3 – Drop in case of Slow HO, Radio Link Failure – N310 consecutive out of Sync's, Radio Link Monitoring Testing – SNR levels for Qin & Qout
- Cell Selection after Drop – Call Re-Establishment
- RRC Re-establishment Success or Reject
- Re-Establishment Failure Cases
- Re-Establishment Failure Cases
- Layer 1 Drop – Radio Link Failure
- Intra LTE HHO
- X2-based Handover Scenario
- Initial Conditions, Detailed Description, Seamless Handover
- X2-based Handover Scenario
RLC/MAC Layer
- Features of MAC
- Overview
- Data transfer logical channels ?? transport channels, Radio resource allocation, Special procedures
- Data transfer logical channels ?? transport channels, Radio resource allocation, Special procedures
- Radio Network Temporary Identifiers (RNTI's) in E-UTRAN
- Usage of RNTI's, RNTI Values
- Usage of RNTI's, RNTI Values
- MAC Random Access Procedure
- Contention Based Random Access Procedure, Non-contention based random access procedure
- Contention Based Random Access Procedure, Non-contention based random access procedure
- Structure of MAC-PDU
- MAC control element, Normal (non-transparent) MAC SDU, Transparent MAC SDU
- MAC control element, Normal (non-transparent) MAC SDU, Transparent MAC SDU
- MAC Control Elements
- Contention resolution ID, Timing Advance, DRX, Padding, Power headroom report, C-RNTI, Short, long and truncated buffer status reports
- Contention resolution ID, Timing Advance, DRX, Padding, Power headroom report, C-RNTI, Short, long and truncated buffer status reports
- Practical Exercise: MAC Operation
- Practical Exercise: DL MAC PDU Construction
- MAC Configuration
- MAC Configuration in the Standard
- MAC Configuration in the Standard
- Overview
- Features of RLC
- Overview
- Data transfer, Error detection and recovery, Reset
- Data transfer, Error detection and recovery, Reset
- Structure of RLC PDU
- Structure of RLC AM with PDCP PDU Segments
- RLC Configuration
- RLC Configuration in the Standard
- RLC Configuration in the Standard
- Overview
- How a TCP/IP MTU is reaching the UE / the Internet
- TCP/IP layer, PDCP layer, RLC layer, MAC layer, PHY layer
- TCP/IP layer, PDCP layer, RLC layer, MAC layer, PHY layer
Differences between LTE-FDD and LTE-TDD
- Basic Layer 1 Details of TDD
- Frame Structure Type 2
- UL and DL time slots, Downlink Pilot Timeslot (DwPTS) – downlink part of special subframe, Uplink Pilot Timeslot (UpPTS) – uplink part of special subframe, Guard Period (GP)
- UL and DL time slots, Downlink Pilot Timeslot (DwPTS) – downlink part of special subframe, Uplink Pilot Timeslot (UpPTS) – uplink part of special subframe, Guard Period (GP)
- The Special Subframe in LTE-TDD (DwPTS, GP, UpPTS)
- Configuration of special subframe (lengths of DwPTS/GP/UpPTS, Details on Special Subframe S, Frame structure Type 2 – UpPTS structure (SRS), Frame structure Type 2 – UpPTS structure (P-RACH)
- Configuration of special subframe (lengths of DwPTS/GP/UpPTS, Details on Special Subframe S, Frame structure Type 2 – UpPTS structure (SRS), Frame structure Type 2 – UpPTS structure (P-RACH)
- DL/UL Configurations of LTE-TDD
- LTE TDD Downlink Physical Channels
- UE Specific Reference Signals
- LTE-TDD Synchronization Signals
- LTE-TDD Random Access Channels
- Coexistence between TD-SCDMA and LTE
- TDD Portions in major 3GPP LTE Specifications
- Frame Structure Type 2
- Radio Resource Management – Beam Forming
- GOB (GridOfBeam) and EBB (Eigenvalue Based Beamforming)
- Dual-polarized 4+4 Antenna
- Calculation of Antenna Weights for Beam Forming, Long Term Beamforming – Beamforming Antennas , Antenna Ports – Virtual Antennas
- Calculation of Antenna Weights for Beam Forming, Long Term Beamforming – Beamforming Antennas , Antenna Ports – Virtual Antennas
- Beamforming Transmission Schemes for various Channels
- LTE Beamforming and MIMO Evolution In 3GPP
- GOB (GridOfBeam) and EBB (Eigenvalue Based Beamforming)
- Other Differences between FDD and TDD
- Max Number of DL HARQ Processes for TDD
- HARQ Feedback for Downlink PDSCH Transmissions, ACK/NACK Multiplexing, ACK/NACK Bundling
- HARQ Feedback for Downlink PDSCH Transmissions, ACK/NACK Multiplexing, ACK/NACK Bundling
- Number of Synchronous UL HARQ Processes for TDD
- eNodeB's HARQ Indicator for Uplink Transmission , PHICH Assignment Procedure, PHICH/PDCCH Detection - UE needs to do New/Retransmissions
- Max Number of DL HARQ Processes for TDD
v1.200
ℹ️ Try out the updated search below!
Search:
More Info:
General Information about this course
Schedule of this training course
Buy this book
INACON eBooks
Please have a look at our full offer
