GSM, GPRS, & EDGE Engineering Training

شارك الآن


التدريب تابع لقسم

مكان التدريب : اسطنبول


This training course provides a good background in GSM, GPRS, & EDGE engineering and RF engineering. Propagation, antenna systems, and traffic engineering are thoroughly presented and explained.

Training time: 5 days

Who should attend?

Engineers, managers, and technicians.


Signal Principles: Modulation, Bandwidth, Interference, Performance

GSM Radio Propagation Principles

  • Frequency and Wavelength
  • The Physics of Propagation: Free Space, Reflection, Diffraction
  • Local Variability: Rayleigh fading and multipath cancellation
  • Area Propagation Models: Okumura, HATA, Cost 231
  • Point-to-Point Models: techniques and commercial software
  • Analyzing measured data to produce models
  • Reliability of Service: using statistics to design for reliability
  • Macro-cell Indoor Penetration Considerations and reliability
  • Micro-cellular systems and techniques

Air Interface

  • GSM Air Interface Basics and Signal RF Characteristics
  • How it all works: decoding GSM signals
  • Capacity Implications of the Air Interface
  • CM, MM, RR (Layer 3 messages)
  • LAPDm (Layer 2)
  • Radio channel (Layer 1)
  • Logical and Physical Channels
  • Handover

Antennas for GSM

  • Basic Antennas: Isotropic and Dipole radiators
  • Concept of Antenna Gain and gain references
  • Effective Radiated Power
  • Antenna Patterns and Pattern Features
  • How Antennas achieve Gain
  • Reflector techniques, array techniques
  • Families of Antennas used in Wireless: architecture, characteristics
  • Collinear vertical antennas
  • Horizontal arrays: Yagi, log-periodic, etc.
  • Implications of propagation driving antenna selection
  • Multipath scattering in mobile clutter environment
  • Beam width and tilt considerations for base station antennas

GSM Traffic Engineering

  • Terms and Basic Concepts
  • Traffic Units (Erlangs, CCS, Minutes)
  • Trunks, Circuits, Voice Paths
  • Offered Traffic vs. Carried Traffic
  • Blocking Probability, Grade of Service
  • Basic Operational Concepts
  • Using Traffic Tables
  • Principle of Trunking Efficiency

Link Budgets

  • Link Budget basics and application principles
  • Traffic Considerations
  • Determining Number of Cells Required

Optional Background Material for GSM

  • Calculating levels in decibels
  • Receiver Basics
  • Super-heterodyne architecture, frequency conversion, images
  • Sensitivity: noise basics
  • Dynamic range and intermodulation considerations
  • Transmitter Basics
  • Linear vs. non-linear amplifier

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