Evolution of Telecommunications Technologies

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the significance of telecommunications networks according to the text?

Telecommunications networks make up the most complicated equipment in the world and have an essential impact on the development of a community.

What is the capability of the telephone network when a call request is made?

The telephone network is able to establish a connection to any other telephone in the world.

How many fixed and cellular telephones are estimated to be part of the telephone network?

More than 2 billion fixed and cellular telephones with universal access.

What is mentioned as interconnected with the telephone network?

Many other networks are interconnected with the telephone network. Signup and view all the answers

What is indicated as a measure of technical and economic development of a country?

Telephone density Signup and view all the answers

What system exceeds the complexity of telecommunications networks?

No other system in the world exceeds the complexity of telecommunications networks. Signup and view all the answers

What was the first digital cellular system put into commercial use?

Global System for Mobile Communications (GSM) Signup and view all the answers

Who proposed the initial idea for a Web-linked document on the World Wide Web (WWW) in 1989?

Tim Berners-Lee (CERN) Signup and view all the answers

What technology started to replace analog broadcast TV around 2001–2005?

Digital TV Signup and view all the answers

What type of services do third-generation cellular systems and WLAN technologies aim to provide for mobile users?

Enhanced data services Signup and view all the answers

As of 2005, what is the direction in which the global telecommunications network is evolving?

Toward a common packet-switched network platform for all types of services Signup and view all the answers

What services are broadband access systems making available to users starting around 2001–2005?

Internet multimedia services Signup and view all the answers

What are the two main directions of development in the telecommunications industry mentioned in the text?

Voice communications becoming mobile and data communications becoming wideband, high-data-rate communications Signup and view all the answers

How do new small manufacturers find a window of opportunity in the telecommunications industry according to the text?

By producing special equipment or systems for rapidly growing services that large vendors are not interested in Signup and view all the answers

What new challenge do public telecommunications network operators face due to the expansion of the Internet as mentioned in the text?

The capability to transmit voice in addition to data over the Internet Signup and view all the answers

How has deregulation impacted subscribers according to the text?

Subscribers can choose their network operator for wideband access to the Internet over ordinary telephone lines Signup and view all the answers

What type of communications are growing most rapidly in volume according to the text?

Mobile and data communications Signup and view all the answers

In the future, what will wideband access to homes be used for in addition to Internet surfing?

Telephone calls Signup and view all the answers

Study Notes

Development of Telecommunications

1985-1990: LAN breakthrough, ISDN standardization finalized, and public data communications services become widely available
1985-1990: Optical transmission systems replace copper systems in long-distance wideband transmission, and SONET is developed
1989: Tim Berners-Lee proposes the World Wide Web (WWW)
1990-1997: Global System for Mobile Communications (GSM) is put into commercial use and becomes widely adopted worldwide
1990-1997: Deregulation of telecommunications in Europe and satellite TV systems become popular

Expansion of Telecommunications

1997-2001: Telecommunications community is deregulated, and business grows rapidly
1997-2001: Digital cellular networks, especially GSM, expand worldwide
1997-2001: Internet usage and services expand rapidly, and a share of conventional speech communications is transferred from public switched telephone network (PSTN) to Internet
1997-2001: Performance of LANs improves with the advance of gigabit-per-second Ethernet technologies

Future Developments

2001-2005: Digital TV starts to replace analog broadcast TV, and broadband access systems make Internet multimedia services available to all
2001-2005: Telephony service turns to personal communication service as penetration of cellular and PCS systems increases
2001-2005: Second generation cellular systems are upgraded to provide higher rate packet-switched data service
2005 and beyond: Digital TV will replace analog service and provide interactive services in addition to broadcast service
2005 and beyond: Third generation cellular systems and WLAN technologies will provide enhanced data services for mobile users

Importance of Telecommunications

Telecommunications networks are designed to serve a wide variety of users with equipment from many different vendors
Telecommunications services have an essential impact on the development of a community
Telephone density of a country can estimate its level of technical and economical development
Deregulation allows subscribers to choose which network operator they want to use to get wideband access to the Internet over ordinary telephone lines
The provision of developing multimedia services in the future will be especially interesting

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Description

Explore the key developments in telecommunications technologies from 1985 to 1990, including digital cellular systems, LAN breakthroughs, ISDN standardization, optical transmission systems, and the beginnings of the World Wide Web. Test your knowledge on these advancements in communication technology.