Chapter 2 wireless and personal communication systems 01
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This document presents an overview of cellular systems in a lecture by Dr. Arshad A. Khan. It outlines the essential elements of cellular networks, including low power transmitters, frequency reuse, handoff, and cell splitting, and discusses the evolution from first to second generation cellular networks. Key technologies mentioned include TACS, NMTS, NTT, AMPS, TDMA, and CDMA.
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Chapter 2 wireless and personal communication systems 01
- 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)