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INFR ASTRUC TURE
RAILWAY COMMUNICATIONS – LIVING IN EXCITING TIMES!
©Huawei Technologies
TO ENHANCE THEIR OPERATIONS, THE RAILWAYS ARE EYEING THE NEXT GENERATION OF COMMUNICATIONS TECHNOLOGIES. GIVEN ITS HIGH SPEED, SECURITY AND BANDWIDTH STRENGTHS, NOT TO MENTION LOW LATENCY AND OTHER APPEALING FEATURES, LONG TERM EVOLUTION (LTE), THE 4TH GENERATION OF WIRELESS NETWORKS, IS MAKING, A NAME FOR ITSELF IN THE SECTOR. NORMAN FRISCH, SENIOR MARKETING DIRECTOR TRANSPORT SOLUTIONS, HUAWEI TECHNOLOGIES, CO., LTD, GIVES HIS VIEWS ON THE STATE OF PLAY. READ ON…
I
n the 1990s, when we had
voice and more data for a better
of something we have seen in
data services to permit high
the GSM networks, principal
Quality of Service (QoS).
the telecoms industry for quite
quality Voice over LTE services.
telecommunications servic-
some time. For modern telecom
es were voice and 2G was well
With the subsequent devel-
systems, voice is nothing more
When 4G was implemented,
specified for this function. Then
opment of 4G, a different
than data treated with ‘spe-
public mobile network opera-
as data started to become more
approach was adopted by mak-
cial’ attention vis-à-vis QoS. So
tors (MNO) were unenthusiastic
important, 2G was enhanced to
ing data the priority, and then
the development of 4G start-
about having dedicated 2G, 3G,
allow more data throughput.
to add voice services to com-
ed with defining data, and all
and 4G infrastructures since it
As technology moved on, 3G
plete the package. In fact, this
the necessary QoS and priority
would mean building a lot of
was introduced, which enabled
approach is the consequence
parameters, to enable ‘special’
hardware. Consequently the
ISSUE 32 / / / EURAILmag Business & Technology