List of basic telecommunication topics

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For a more comprehensive list, see the Category:Telecommunications.

Telecommunication is the transmission of signals over a distance for the purpose of communication. In modern times, this process almost always involves the sending of electromagnetic waves by electronic transmitters but in earlier years it may have involved the use of smoke signals, drums or semaphore lines.

The following list of topics is provided as an overview of and introduction to telecommunication:

Contents 1 Essence of telecommunication 2 Types of telecommunication networks 3 Aspects of telecommunication transmission 3.1 Telecommunication technology 3.2 Media Types 3.3 Relationship between Media and Transmitters 3.4 Multiple Access to Media 4 History of telecommunication 5 Basic telecommunication concepts 6 Telecommunication scholars 7 Leaders in telecommunication 8 Telecommunication lists 9 See also 10 External links

[edit] Essence of telecommunication

Main article: Telecommunication

[edit] Types of telecommunication networks

Main article: Telecommunications network

• Computer networks
• Public telephone networks
• Radio networks
• Television networks
• Internet

[edit] Aspects of telecommunication transmission

Main article: Telecommunication

• Analog
• Digital
• Optical

[edit] Telecommunication technology

• Modulation
  • Amplitude modulation
  • Frequency modulation
  • Quadrature amplitude modulation
• Nyquist rate
• Nyquist ISI criterion
• Pulse shaping
• Intersymbol interference

[edit] Media Types

• Physical media for Telecommunication
  • Twisted pair
  • Coaxial cable
  • Optical fiber
• Telecommunication through Free Space
  • Broadcast radio frequency including television and radio
  • Line-of-sight
    • Communications satellite
    • Terrestrial Microwave
    • Wireless local area network (WLAN) repeaters

[edit] Relationship between Media and Transmitters

• Physical access to media
  • Simplex
  • Half-duplex
  • Full-duplex
• Logical relationships
  • One-way
  • Two-way alternating
  • Two-way simultaneous

[edit] Multiple Access to Media

• Multiplexing
  • Analog
  • Digital
    • Time-division multiplexing
    • Statistical multiplexing and Packet-switching
  • Media Access Control
    • Contention
    • Token-based
      • Centralized token control
      • Distributed token control

[edit] History of telecommunication

Main article: History of telecommunication

• History of the telephone, Timeline of the telephone
• History of radio
• History of telegraphy
• History of television
• History of mobile phones
• History of computing hardware
• History of the Internet

[edit] Basic telecommunication concepts

• E-mail
• Instant messaging
• Radio
• Telephone
• Television

[edit] Telecommunication scholars

[edit] Leaders in telecommunication

BT Group plc, Alcatel-Lucent, AVAYA, Aricent, CISCO, NEC, NORTEL and Many others.

[edit] Telecommunication lists

Main article: Category:Telecommunications and its sub-categories

[edit] See also

[edit] External links

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