Telecommunication & Network

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Telecommunication & Network

Published by: Anu Poudeli

Published date: 18 Jul 2023

Telecommunication & Network

Telecommunication and networking are two interconnected industries that are critical in today's society. Let's dig deeper into each of these topics:

Telecommunication

Telecommunication is the transmission of information, data, and signals over vast distances for a variety of applications such as voice communication, video conferencing, internet access, and more. It entails the use of electronic devices, networks, and technologies to facilitate communication among people, businesses, and machines.

Here are some important features of communication:

 

  • Communication Devices: Telephones, mobile phones, computers, modems, routers, satellites, and other devices are used in telecommunication.
  • Telecommunication uses several communication routes to transport data and signals, including wired (e.g., fiber-optic cables, twisted-pair cables) and wireless (e.g., radio waves, microwaves, infrared).
  • Telecommunication protocols govern how data is delivered, received, and interpreted during communication. TCP/IP (Transmission Control Protocol/Internet Protocol) for internet communication and SS7 (Signaling System No. 7) for telephone networks are two examples.
  • Voice communication (e.g., traditional landline calls, VoIP), messaging (e.g., SMS, instant messaging), video calls, and multimedia services (e.g., video streaming) are all examples of telecommunication services.

 

  • Telecommunication Standards: Organizations that develop worldwide standards, such as the International Telecommunication Union (ITU) and the Institute of Electrical and Electronics Engineers (IEEE), ensure compatibility and efficiency in telecommunication systems.

Networks

A network is a collection of interconnected equipment (such as computers, servers, and routers) that may communicate and share resources. Networks are characterized according to their geographic coverage and the types of connections they employ:

  • Local region Network (LAN): A LAN is a network that covers a small geographical region, such as a house, business, or campus. Devices can use it to share files, printers, and other resources.
  • Wide Area Network (WAN): A WAN connects LANs over long distances. The internet is the most visible example of a WAN, linking networks all over the world.

 

  • Wireless networks use wireless communication technologies (such as Wi-Fi and Bluetooth) to connect devices without the usage of physical connections.
  • The internet is a global network of networks that allows for global communication as well as access to information and services.
  • Intranet vs. Extranet: Intranets are private networks within a company, whereas extranets enable secure communication between a business and its external partners.
  • Topologies of networks: Network topologies determine the layout or structure of a network. The most common topologies are bus, star, ring, and mesh.
  • Network security is putting in place safeguards to keep networks and data safe from illegal access, cyberattacks, and other security threats.


Telecommunication and network technologies have grown tremendously over the years and continue to do so, allowing for worldwide communication and data exchange. They serve as the foundation for critical services and applications ranging from standard phone calls to the Internet of Things (IoT), virtual reality, and artificial intelligence. The breakthroughs and expansion in these sectors have changed the way people communicate, businesses work, and information is exchanged around the world.