Naql El Ilm(TM) Project To help disseminate the knowledge

21st Century Telecom. Seminar Series

 

The 21st Century Telecom. Seminar is a project that falls under the umbrella of Naql El Ilm.Its purpose is to assist in providing researchers and engineers in Algeria with help in terms of tools, methods, projects management and market intelligence in the Area of communication. Currently seminars are being prepared to be hosted in universities and technical institutes in Algeria.

 Presented By

C. Chibane
Sony US Research Labs
Advanced Wireless Technology Lab
Cherif.chibane@am.sony.com
Tel:201-930-7241 Fax:201-930-6397

Seminar Gaol: To give an overview of the state of wireless communication in the world. Upcoming as well as existing technologies and standards will be covered.

Wireless Communication Seminar

 

Introduction

  • Fundamentals and overview

  • Market growth and forecast

Mobile communications environment

  • Free space vs. multipath propagation

  • Log normal (shadowing) and Rayleigh fading
  • Time dispersion and intersymbol interference
  • Interleaving and equalization
  • Indoor propagation and diversity: macrocells,
  • microcells, and picocells

Cellular concepts

  • Hexagon structure and service area

  • C/I ratio and frequency reuse
  • Cellular layout
  • Spectrum resource management
  • Wired line and non-wired line
  • Frequency plan and channel allocation

Analog cellular telephone systems

  • Architecture and networking components

  • Mobile terminals
  • Base stations and cell sites
  • Mobile service switching centers
  • Interconnect technologies
  • Operational characteristics (FDD, TDD, FDMA)
  • Call processing
  • Control channel function-paging and access
  • Mobile location identification
  • Mobile incoming and outgoing call sequences
  • Roaming and handoff
  • Mobile and land-initiated release control sequences

  • Examples of world systems

Transition from analog to digital cellular networks

  • Limitations of analog systems

  • Analog-to-digital conversion
  • Techniques for capacity increase
  • Analog-to-digital migration issues
  • Analog-digital hybrid networks and operational trade-offs
  • Comparison of analog FM, digital FDMA, and digital CDMA

 TDMA-based digital cellular systems

  •  The European global system for mobile communications (GSM) standard

  •  GSM evolutionary objectives
  •  GSM networking elements
  •  Signal processing
  •  Channel concept
  •  Security and privacy issues
  • The U.S. IS-54 standard
  •  Frame structure
  •  Speech and channel encoding
  •  Modulation and multiple access
  •  Mobile call origination and termination
  •  E-TDMA system (United States)
  •  Operations
  •  Improvement over IS-54
  •  Case studies and economics
  •  The Japanese personal digital cellular (PDC) standard
  •  Comparison with U.S. systems

 Application of CDMA technology to cellular

  •  Principles of spread spectrum

  •  The U.S. Qualcomm IS-95 standard

  Future of cellular networks

  •   Microcellular personal communications networks (PCN) and PCS

  •   Fixed wireless systems

  •   Application of low earth orbiting (LEO) satellite systems

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Wireless Communication Enabling Technologies
Presented By

Mohammed Racheddine
Motorola Research
mohr@srl.css.mot.com
Tel: 847-523-7884
Fax: 847-523-2519

 

1. Introduction
  RFIC in Wireless Communication

2. Technology overview
  Bipolar, MOS
  Si, GaAs, SiGe, etc.

3. Simulation and CAD Tools

4. Important Design Issues
  Gain
  Stability
  Impedance Matching
  Distortion
  Noise

5. RF Amplifiers Design
  LNA Design
  Bipolar Example
  CMOS Example

 

6. Mixers
  General Concepts
  Design Examples (Bipolar, CMOS)

7. Oscillators
  Design Concepts (positive feedback, negative resistance)
  Design for Minimum Phase Noise
  Design Examples

8. Power Amplifiers
  Linearity
  Efficiency
  Different Classes (A, B, AB, C, etc.)
  Design Examples

 

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