Description
This seminar presents the techniques that have introduced mobility into our daily lives: GSM, GPRS, and EDGE. It details the GSM standard and its evolution towards packet mode and broadband. It also examines the challenges posed by new applications running on mobile networks.
Who is this training for ?
For whom ?
Network engineers wishing to specialize in mobile networks. Mobile network managers and study managers.
Prerequisites
Knowledge of telecommunications networks is a plus.
Training objectives
Training program
- The cellular concept
- Analog/digital transmission.
- Propagation.
- Cellular planning.
- Duplexing and multiplexing techniques.
- The GSM system
- The architecture of GSM.
- Its growth throughout the world.
- Its advantages and disadvantages.
- The different elements making up GSM: MS, BTS, BSC, MSC, HLR, VLR, etc.
- The interfaces connecting these elements together.
- Detailed study of the Um interface, i.e. the radio interface.
- Definition of the physical channel in GSM.
- Its different rates.
- The maximum capacity of the access network in GSM.
- The messages.
- The protocols existing between the terminal and the network to establish a communication.
- Study of intercellular transfer (handover) and call establishment.
- Authentication and encryption.
- What are the American systems? IS136 and IS95.
- How are they different from GSM? ? Overview of the innovations brought by the IS95: soft handoff and discontinuous transmission.
- The GPRS system
- GSM and packet mode.
- What type of traffic in packet mode is GPRS suitable for? Traffic study www.
- L 'GPRS architecture.
- The elements of packet mode and the gateway to the Internet: GGSN and GGSN.
- Example of GPRS routing.
- Allocation radio resources by GPRS.
- Static and dynamic allocations.
- GPRS multi-frame.
- Classes of service.
- The logical channels of GPRS.
- Cohabitation with GSM.
- Terminal management: active and idle.
- The EDGE system
- Broadband.
- How can we improve GSM speed? 8-PSK modulation.
- EDGE speeds.
- Adaptation of the link.