Evolved EDGE & GERAN Evolution

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

Assessment

Course Description

Comparison of GSM 1991 with GERAN 2007
- Applications
- Network Layout
- PHY Layer Layout
- Coverage Area and Subscriber Numbers
  - GSM Coverage Map
On the Way to 4G
- Technology Overview
- Protocol Stack Comparison 3G / 4G at the CPE
  - Details of the 4G-Protocol Stack
- Shaping the Target Network Architecture
  - Operation within this Environment
Summary & Conclusions for GERAN-Evolution
- Conclusions
  - GERAN Penetration, IP-Centric all the Way, Mobile Networks as IP-CAN's
- Consequences

Summarizing the proposed Changes of TR 45.912

The Original Objectives and Requirements ...
- ... and the related Ideas of Improvement
  - Techniques to “Increase Spectral Efficiency”, Techniques to “Improve Coverage”, Techniques to “Increase Data Rates”, Techniques to “Reduce Latency between MS and GERAN”, Techniques to “Enhance Service Continuity with other RAT”
Mobile Station Receive Diversity (MSRD)
- Overview
Multi-Carrier Operation
- Downlink Multicarrier / Concept and Realization
  - Performance Considerations (Constraints), Operation Example and Multislot Configuration, Increased Uplink Throughput because of Downlink Multicarrier Operation
- Uplink Multicarrier
  - Implementation Options (More Facts about Option A, More Facts about Option B, More Facts about Option C), Practical Exercise: Constraints and Implementation Problems
Higher Order Modulation and Turbo Code Usage (HOMTC)
- Relationship between CIR, FEC and Modulation Scheme
  - Relationship between Modulation Scheme, CIR and potential BER
- Considered new Modulation Schemes
  - Overview, Details of the selected 16-QAM Modulation, Details of the selected 32-QAM Modulation, Details of the considered 16-APK Modulation (16-APK (12, 4), 16-APK (8, 8)), Blind Modulation Detection (Rotation Angles)
- Turbo Coding
  - Performance Considerations, Principles of Turbo Encoding, Principles of Turbo Decoding (Reliability Information and Extrinsic Information)
Increased Symbol Rates
- Normal Symbol Rate and Dual Symbol Rate
- Modified Dual Symbol Rate and Higher Symbol Rate
- Important Characteristics
  - Dual Symbol Rate, Modified Dual Symbol Rate, Higher Symbol Rate
- Performance Considerations
Latency Enhancements
- Latency Contributing Factors
  - Network Node related Latency Contributors, Related to Block Building, Related to Processing, Related to Queuing, Link related Latency Contributors, Related to Throughput Rate, Related to Distance, BEC related Latency Contributors
- The Impact of Latency on the Performance
  - Download Time with Static Latency / var. Throughput Rate, Download Time with var. Latency / static Throughput Rate
- Practical Exercise: Determine the One-Way Latency within GERAN between MS and BSC/PCU
- Suggested Improvements
  - Improved Ack/NACK-Reporting, Reduced Transmission Time Interval (RTTI), Variable Sized Radio Blocks (VSRB), High Speed HARQ (HS-HARQ)
- Implementation Options of RTTI
  - Timeslot Combination, Frequency Combination
- Description of VSRB
  - Operation, Burst Mapping (2 Burst Solution), Constraints & Conditions (Restricted to short data packets, Requires different interleaving and burst mapping, Indication of VSRB-operation e.g. through stealing flags, Can be extended to 1 or 3 burst solutions)
- More Details about HS-HARQ
  - Introduction, Stop & Wait Operation, Practical Exercise: Implementation Implications of HS-HARQ
New Slot and Burst Formats
- Overview and Introduction
- Details and Performance of the different Combinations
  - The 2-Burst Combination (Performance Gain),
  - The 3-Burst Combination (Performance Gain),
  - The 4-Burst Combination (Performance Gain)
Liabilities

Integration of MSRD, Downlink Dual Carrier and Flexible Timeslot Assignment

Overview and Applicability
Indication of Support for DARP II and MSRD
Understanding Multislot Capabilities for Dual Carrier Mobile Stations
- Introduction and Defined Multislot Classes
- Interpretation of the "Multislot Capability Reduction" IE
Flexible Timeslot Assignment
- Detailed Description
  - Difference Allocation / Assignment, Allocation Example 1, Allocation Example 2, Advantage of Flexible Timeslot Assignment

Integration of RED HOT and HUGE

Overview & Introduction
- From 3GTR 45.912 to RED HOT and HUGE
- HUGE
- RED HOT
Introducing Enhanced GPRS phase 2 (EGPRS2)
- EGPRS2 - Important Characteristics
- EGPRS2-A Downlink
- EGPRS2-A Uplink
- EGPRS2-B Downlink
- EGPRS2-B Uplink
- Indicate Support for EGPRS2 (MS-Radio Access Capability)
Burst Formats of EGPRS2
- Normal Symbol Rate
  - GMSK, Stealing Flag Setting, 8-PSK, Stealing Flag Setting, 16-QAM and 32-QAM (Stealing Flag Setting 16-QAM, Stealing Flag Setting 32-QAM)
- Higher Symbol Rate (HSR)
  - QPSK, Stealing Flag Setting, 16-QAM (Stealing Flag Setting), 32-QAM (Stealing Flag Setting)
- EGPRS2 Gross Throughput Rates (per Timeslot)
  - Normal Symbol Rate, Higher Symbol Rate
Bit Swapping
- Operation
- Practical Exercise: Does it also work with 8-PSK?
Channel Coding in EGPRS2
- Overview
- EGPRS2-A (Normal Symbol Rate)
  - Downlink: DAS-5 - DAS-12, Uplink: UAS-7 - UAS-11
- EGPRS2-B (Higher Symbol Rate)
  - Downlink: DBS-5 - DBS-12, Uplink: UBS-5 – UBS-12

Integration of Reduced Latency- and RLC-Non Persistent Mode-Operation

Overview and general Characteristics of RL-TBF
- Description of FANR, Description of RTTI and BTTI
- Indicating Support for RL-TBF-Operation and RLC Non-Persistent Mode
More Details about FANR
- Fast Polling while in BTTI
- Fast Polling while in RTTI
- PAN-and PANI-Fields
  - SSN-based PAN-Field, Time-based PAN-Field
- Channel Coding of the PAN-Field
USF-Allocation during RTTI-Operation
- Option 1: Downlink Block in RTTI-Mode
- Option 2: Downlink Block in BTTI-Mode
- MCS-0
RLC Non-Persistent Mode
- Overview & Introduction
- Procedure Description
  - NPM-Timer, Behavior of NPM in case of Retransmissions

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