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GPRS: Network Architecture, Operation, and Design Training Class
Course ID: 14901
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GPRS: Network Architecture, Operation, and Design Training Seminar
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, namely, packet switching over the air interface and 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 course, you will learn how GPRS tackles this problem and achieves a reasonable performance. 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 which are 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.
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Agenda |
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- 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 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-??-vis location areas
- Mobile station states: Idle, Ready, Standby and associated transition and triggering mechanisms and parameters
- GPRS vis-??-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
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Audience |
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Engineers experienced in GSM who wish to learn more about GPRS. The standard presentation of this course assumes a bachelor of science in Electrical Engineering, Mathematics, Physics, or a related subject along with an appropriate background in communications.
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Pre-requisites |
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- GSM: Network Architecture, Operation, and Design (GSM-I, 5 days)
- Working knowledge of wireless network structure and operation, RF propagation and fading issues, and link budget analysis
- Working knowledge of packet switching and associated networking problems and solution approaches
- At least two years experience in the design and optimization of a wireless network using any major technology
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GPRS: Network Architecture, Operation, and Design Training Course Dates and Locations
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Course ID: 14901
| Course Duration: 3 Days
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Locations: |
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