Many classroom AV systems
can be accommodated by a single
AV source extended to a single
display or projector. This simple
solution reduces complexity,
unplanned maintenance,
and end-user confusion.
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October/November/December 2019 I 25
Wi-Fi and 5G
To keep up with the never-ending need for speed and user
expectations for wireless connectivity, Wi-Fi standards
and technology have also been rapidly advancing. For
HD AV signals, the 60 GHz WiGig protocols promise to
support the kinds of bandwidth needed at 10 to 20 Gb/s.
The initial protocol IEEE 802.11ad—theoretically supporting
about 7 Gb/s—will be surpassed by the proposed
802.11ay standard intended to support at least 20 Gb/s
and longer distances.
While the theoretical bandwidth promises a more
appealing wireless transport system for HD AV signals,
the high-frequency microwave radio signals of 802.11ad
and 802.11ay prove to be extremely limited to line-ofsight
applications. This may not be an issue for AV applications
within a conference room or classroom. However,
5G digital cellular networks may provide an alternative
to Wi-Fi or WiGig in the future, providing the ability to
deliver ubiquitous 10 Gb/s data rates anywhere devices
are taken. With a proposed low 1 millisecond network
latency, future 5G technology could be used in many
environments for streaming HD video signals, although
it may be many years before we see the true promise
of 5G on a large scale.
BIOGRAPHY: Bill Lauby is the senior product manager for
Copper Systems at Leviton Network Solutions. In managing
copper systems, his work includes AV and work area products.
He has an extensive background in technology product development
and program management. Bill has also led the introduction
of new products in a variety of industries. He can be reached
at blauby@leviton.com.
REFERENCES:
1. Main image is attributed to Steve Riot, Pixabay.com.
CONCLUSION
An uncomplicated plug-and-play
AV system is a reliable AV system. By
focusing on simplicity and ease of use,
network installers and IT managers can
provide system longevity, reliable perfor-
mance, and end-user satisfaction. Such
systems offer straightforward installations,
stress-free set-ups with no programming
required, and cost-effective
technology upgrades accomplished via
simple alterations to the signal extenders
with no change to the network infrastructure
needed. These solutions can
even be added to an existing certified
permanent link, reducing labor costs
and installation time.
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/Pixabay.com
link