pdf_gross.gifEvolved EDGE & GERAN Evolution

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

backtotop.gif 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

backtotop.gif 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

backtotop.gifIntegration 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

backtotop.gifIntegration 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

backtotop.gifIntegration 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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