GPRS from A - Z

Course Duration: 2 days (appr. 16 hours)

Content Description:


First Day

 

Part 1 Þ Introduction to GSM

  • The GSM Network / Architecture of BSS and NSS / Subsystem Functions
  • The GSM Air-Interface / GMSK / Frame Hierarchy / Logical Channels ó Physical Channels
  • Transmission over the Air-Interface / Bursts
  • Layer 1 Functions on the GSM Air Interface / Timing Advance Control / Channel Coding / Interleaving / Authentication / Ciphering

 

2 hours

 

Part 2 Þ Introducing GPRS to the GSM World

  • The Business Perspective / Service Options of GPRS / Performance of GPRS / Applications of GPRS
  • Obstacles of Packet-Switched Mobile Networks / Packet Routing in the Mobile Environment / Slotted Aloha / Overhead / Frequent Seizures and Releases / Instantaneous Access.
  • Network Architecture / Function and Design of PCU, SGSN, GGSN and BG / The GPRS Mobile Station Class A, B, C
  • The 52-Multiframe / Description and Function / Radio Blocks / Idle and TA Frames
  • Description of PDCH‘s / Dynamic Allocation of PDCH‘s / Unidirectional Character of PDCH’s
  • Timing Advance Control in GPRS / Continuous TA Control / Other Options

 

3 hours

 

Part 3 Þ Network Access and Packet Transmission in GPRS

  • Network Access Mechanisms / One-Phase-Access ó Two-Phase-Access / Description / Differences
  • Identification of an Ongoing Packet Transaction / TBF / TFI
  • MAC Resource Allocation Methods (Uplink / Downlink) / Fixed Allocation / Dynamic Allocation / Extended Dynamic Allocation
  • PACCH Operation (Uplink / Downlink)
  • Resource Release (Uplink / Downlink) / Countdown Procedure
  • Acknowledged ó Unacknowledged Operation / Differences / Error Correction Options
  • Quality of Service (QoS) / Throughput / Precedence Classes / Subscription Options

 

3 hours


Second day

 

Part 4 Þ More Details of GPRS

  • The Coding Schemes CS-1 to CS-4 / Description / Selection Principles / Puncturing / Liabilities / The Meaning of the Stealing Flags
  • Mobility and Session Management in GPRS / TLLI / P-TMSI / Routing Area (RA) / Function of RA-Update / READY Timer / GMM- and SM-Message Format / Summary

 

2 hours
 

Part 5 Þ The GPRS Protocol Stack

  • RLC/MAC (Radio Link Control / Medium Access Control) / Functions / Information Elements / Block Format and Coding
  • LLC (Logical Link Control) / Function / Acknowledged Û Unacknowledged / Ciphering in GPRS / Message Format and Coding
  • SNDCP (SubNetwork Dependent Convergence Protocol) / Function / Compression / Message Format and Coding
  • Frame Relay / Network Service and BSSGP (Base Station Subsystem GPRS Protocol) / Introduction to Frame Relay / Overload Defense / BVCI / Function of NS and BSSGP
  • GTP (GPRS Tunneling Protocol) / Function / Message Format and Coding

 

2.5 hours
 

Part 6 Þ Scenarios in GPRS

  • GPRS Attach on CCCH / PCCCH
  • Intra-SGSN Routing Area Update
  • PDP-Context Activation and Packet Data Transfer (Two-Phase Access) / Mobile Originating / Mobile Terminating
  • Inter-SGSN Cell / Routing Area Update in Active State

 

2 hours

 

Part 7 Þ Alternative High Speed Data Options

  • HSCSD / Description / Comparison to GPRS
  • EDGE / Description / GMSK ó 8PSK / ECSD ó EGPRS

 

1 hour


Comprehension Test

0.5 hours