Cable modem technology

Cable TV network's ability to provide fast data transmission using cable modems is receiving much attention these days. A cable modem (or cable TV modem) is a device that connects your computer to the cable TV network. The cable television (CATV) industry was born in 1948 as a way to provide TV...

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Bibliographic Details
Published in:IEEE potentials 2000-10, Vol.19 (4), p.26-27
Main Authors: Sadiku, M.N.O., Aduba, C.
Format: Article
Language:English
Subjects:
Access protocols
Bandwidth
Cable television
Cable TV
Cables
Communication cables
Devices
High speed
Internet telephony
IP networks
Joints
Modems
Multimedia systems
Receiving
Telecommunication traffic
Television
Web and internet services
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Summary:Cable TV network's ability to provide fast data transmission using cable modems is receiving much attention these days. A cable modem (or cable TV modem) is a device that connects your computer to the cable TV network. The cable television (CATV) industry was born in 1948 as a way to provide TV reception to remote viewers. However, CATV's marriage to television basically obscured the fact that it can provide high-speed two-way data communication services. A cable modem is a modem in the sense that it MOdulates and DEModulates signals. However, a cable modem is far more complex than a typical telephone dial-up modem. A cable modem is partly modem, partly bridge, partly router, partly encryption/decryption device, partly NIC card, and partly Ethernet hub. A single cable modem connection speed is about 500 kbp-1.5 Mbps, and is used for point-to-point. The distance can be 100 km or even more.
ISSN:0278-6648
1558-1772
DOI:10.1109/45.877862