General Packet Radio Service (GPRS) Training

General Packet Radio Service (GPRS) Training course with hands-on Exercises (Online, Onsite and Classroom Live)

GPRS is the first technology to introduce packet switching to the world of mobile communications in a meaningful, large scale context.  As such, it adds two major, equally important, elements, viz., (i) packet switching over the air interface and (ii) enhancements to the core to support packet switching on a GSM network.

Implementing packet switching over a highly unreliable and time varying channel, such as is typical in today’s wireless communications, is not an easy task.  In this GPRS Training or General Packet Radio Service (GPRS) Training course, you will learn how GPRS tackles this problem and achieves a reasonable performance using packet switching over the air interface.  You will also learn the new interfaces that were necessary in the fixed portion of the network to support an end-to-end packet switched service.  We will not be shy about highlighting the shortcomings of GPRS, some of them quite serious.  We will go on to learn which of these shortcomings can be mitigated (along with how that’s done) and which are unsolvable within the framework of GPRS.

General Packet Radio Service (GPRS) TrainingDuration: 3 days

  • We can adapt this GPRS Training course to your group’s background and work requirements at little to no added cost.
  • If you are familiar with some aspects of this GPRS Training course, we can omit or shorten their discussion.
  • We can adjust the emphasis placed on the various topics or build the GPRS Training course around the mix of technologies of interest to you (including technologies other than those included in this outline).
  • If your background is nontechnical, we can exclude the more technical topics, include the topics that may be of special interest to you (e.g., as a manager or policy-maker), and present the GPRS Training course in manner understandable to lay audiences.

The target audience for this GPRS Training course:

  • Engineers experienced in GSM who wish to learn more about GPRS.

The knowledge and skills that a learner must have before attending this GPRS Training course are:

  • N/A
General Packet Radio Service (GPRS) Training - COURSE SYLLABUS

Motivation, Background, and GPRS Services

  • General perceptions of GPRS: True and false!
  • Review of existing GSM network architecture and data services: Or Motivation for GPRS
  • GPRS traffic models
  • GPRS-offered data services

GPRS Training – GPRS Network Architecture

  • GPRS mobile station modes and classes
  • Packet Control Unit (PCU) and Channel Codec Unit (CCU)
  • Serving GPRS Support Node (SGSN)
  • Gateway GPRS Support Node (GGSN)
  • Border Gateway (BG)
  • Protocol stacks between the various GPRS network elements

GPRS Air Interface Protocol Structures

  • Mobility management and routing areas vis-à-vis location areas
  • Mobile station states: Idle, Ready, Standby and associated transition and triggering mechanisms and parameters
  • GPRS vis-à-vis GSM RF layer
  • GPRS Medium Access Control (MAC) Sublayer
  • GPRS Radio Link Control (RLC) Sublayer
  • GPRS Logical Link Control (LLC) Layer

GPRS Structures on the TDMA Air Interface

  • New set of logical channels defined by GPRS
  • The GPRS-Introduced 52-frame multiframe
  • Mapping of GPRS logical channels to the physical channel(s)
  • MAC operation and resource allocation schemes in GPRS
  • RLC block structures and associated issues
  • Retransmission strategies used in GPRS and protocol stalling issues

Course Recap and Conclusion

  • Strengths and weaknesses of GPRS
  • Motivation for Enhanced GPRS (EGPRS), or EDGE
General Packet Radio Service (GPRS) Training Course: Recap, Q/A, and Evaluation

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