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BPL | Broadband Over Powerline
| Powerline Broadband | PowerBand
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BPL (broadband over power line) will compete
with DSL and cable and, through the "broadband-outlet" concept, may prove
even simpler for consumers to buy and install.
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Broadband Over Powerlines (BPL) and
Radio Amateurs
Broadband
over Power Line:
Why Amateur Radio Is Concerned about Its Deployment
Radio amateurs are not opposed to broadband services. On the contrary, they
tend to be early adopters of new technology. However, there are ways to
deliver broadband that do not pollute the radio spectrum as Broadband over
Power Line (BPL) does. These include fiber-to-the-home, cable, DSL, and
wireless broadband. The ARRL--The National Association for Amateur Radio--
is supportive of broadband access for all Americans; however, it opposes BPL
as a way to achieve this goal because of its high potential for causing
interference to radio communication.
Credit:
http://www.arrl.org
click for full article and
more information |
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Broadband Over Powerlines (BPL) |
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Riding the sine wave
Broadband data hitches a ride with an unlikely carrier.
By Maury Wright, Editor at Large -- EDN, 11/10/2005
AT A GLANCE
BPL (broadband over power line) will compete with DSL and cable and,
through the "broadband-outlet" concept, may prove even simpler for
consumers to buy and install.
BPL technologies for various vendors all rely on baseline OFDM
(orthogonal-frequency-division-multiplexing) technology, but no
universal standard exists.
The IEEE P1901 committee is working on power-line networking for access
and in-home applications, but three consortiums are pushing different
technologies.
BPL systems generate real interference that can hinder amateur radio and
other services, but filtering can eliminate the noise.
Proponents of BPL (broadband-over-power-line) technology insist that the
best wires for the last mile were strung and connected long ago. But BPL
still faces technical hurdles, a potentially nasty standards fight, and
angry amateur-radio operators.
To many of us that lived the DSL-versus-cable battles, the broadband
fight is history. But as alternative schemes such as WiMax are
demonstrating, a place still exists for new last-mile broadband
technologies. BPL advocates insist that the power grid is the best
option yet. The technology offers the potential advantage of a
ubiquitous "broadband outlet" on every wall of a house or a business.
Moreover, a smart grid could enable applications such as automatic meter
reading, load balancing, and even remote control of power-hungry
appliances such as air conditioners—in turn subsidizing the Internet
service. Proponents even claim that BPL systems can deliver video and
voice over IP in addition to Internet services. Relatively small
deployments of BPL are under way worldwide. But let's fully examine the
real challenges that BPL still must face to go mainstream.
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Broadband Over Powerlines (BPL)
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