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Chapter 2  wireless and personal communication systems
Lectures on Wireless 
Networks 
By 
Dr. Arshad A. Khan 
Dated: 14-03-2006
Level MS EE 
Electrical Engineering Department, University of 
Engineering and Technology, Lahore
Lecture # 2 
An Overview of Cellular Systems
Concepts of Cellular Networks 
 There are four essential elements for cellular 
networks 
 Low Power Transmitter and small coverage areas 
or cells 
 Frequency reuse 
 Handoff and central control 
 Cell splitting to increase call capacity
1st Generation Cellular Networks 
 Total Access Communication System (TACS) 
 Nordic Mobile Telephone System (NMTS) 
 Japanese Nippon Telephone and Telegraph 
(NTT)
Chapter 2  wireless and personal communication systems
Chapter 2  wireless and personal communication systems
2nd Generation Cellular Networks 
 Narrowbadn Advanced Mobile Phone Service 
(N-AMPS) 
 Time-Division Multiple Access (TDMA) 
 Extended Time-Division Multiple Access (E-TDMA) 
 Spread Spectrum (SS)  Code-Division 
Multiple Access (CDMA)
Chapter 2  wireless and personal communication systems
Chapter 2  wireless and personal communication systems
Chapter 2  wireless and personal communication systems

More Related Content

Chapter 2 wireless and personal communication systems

  • 2. Lectures on Wireless Networks By Dr. Arshad A. Khan Dated: 14-03-2006
  • 3. Level MS EE Electrical Engineering Department, University of Engineering and Technology, Lahore
  • 4. Lecture # 2 An Overview of Cellular Systems
  • 5. Concepts of Cellular Networks There are four essential elements for cellular networks Low Power Transmitter and small coverage areas or cells Frequency reuse Handoff and central control Cell splitting to increase call capacity
  • 6. 1st Generation Cellular Networks Total Access Communication System (TACS) Nordic Mobile Telephone System (NMTS) Japanese Nippon Telephone and Telegraph (NTT)
  • 9. 2nd Generation Cellular Networks Narrowbadn Advanced Mobile Phone Service (N-AMPS) Time-Division Multiple Access (TDMA) Extended Time-Division Multiple Access (E-TDMA) Spread Spectrum (SS) Code-Division Multiple Access (CDMA)