Definitions
Broadband access is a high speed connection to the Internet
providing greater than 128 Kbps. Broadband access provides an "always
on," simultaneous up-link and down-link communication channel.
Broadband access helps overcome frustrations in accessing the Internet
and is achieved through digital modems.
Overview
Using an analog modem is almost inconceivable
for most who have adopted digital modems. Digital broadband access
to the home has revolutionized communication providing a speedy,
two-way communication channel. Internet and Email access, and the
ability to transmit real-time video anywhere and anytime, is a revolutionary
concept only possible by broadband access, and digital modems are
helping make this a reality.
A digital modem may be a single chip solution that is incorporated
within the set-top box or a system used together with a PC. This
has excited the consumer, and helped create different islands of
technology such as the PC island, multimedia island, and others
in the home. The digital modem provides Internet access to all these
islands of technology.
Home networking tries to network islands of technology and information
appliances such as PCs, amplifiers, speakers, digital TV, digital-VCRs,
DVD players, gaming consoles, CP/MP3/cassette players, camcorders,
web/kitchen pads, printers, security systems, utility meters, washers-dryers,
and many more to a single device in the home. A single chip modem
solution combined with a home networking chipset (PHY and MAC) will
provide this single device to create your home network. This single
connection medium is called a residential gateway and since today
the digital modem provides a single connection, it is seen to be
evolving into a residential gateway. This single gateway will provide
broadband access and home networking capability.
Market Research
The demand for digital modems is being fueled by the growth
in the number of Internet users. The number of people working from
home and connecting to their corporate LAN from home has been rising.
Telecommuters and day extenders connect to the corporate LAN through
the Internet using Virtual Private Network (VPN) technology to have
equal access to the corporate LAN while being at home. Home businesses
are also requiring faster access to the Internet.
Home networking and Internet services are fueling the demand for
bandwidth because of applications such as streaming video, web browsing
and online shopping that use high resolution images. Applications
such as streaming video, Web browsing, email, MP3 files, Voice over
Internet Protocol (VoIP), digitized photographs, Video-on-Demand
(VOD), and online gaming all require fast Internet access.
Also traditional methods to connect to the Web have hit a technological
barrier. Analog modems using phone lines cannot provide bandwidth
beyond 56 Kbps. Digital modems meanwhile offer much greater bandwidth
with an always-on connection.
Leading Technology
Analog
/ Dial-up
Cable
xDSL
ISDN
Satellite
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