Power
Line Communication (PLC) is an emerging communication technology which
enables data exchange over existing power cables. It uses power grids to
communicate between two end-points. PLC technology allow users to control or
retrieve data in a half-duplex manner. Furthermore, in this communication
method, sender modulates the data, and injects in power cables which can be
retrieved by de-modulation at the receiving end. PLC technology is widely used
for home automation purpose, where household electric power wirings are used as
a communication medium for remote control of lighting, appliances, sensors, and
alarm systems in a house. This feature of PLC makes it suitable for home
network (HAN), and near-me area network (NAN). In addition, PLC systems operate
in different frequency bands and provide different data transmission rates. PLC
technology is widely used in smart grid communication applications. In
addition, the application of this technology also includes internet access,
home networking, and radio transmission. Furthermore, this technology also
integrates with alternative current (AC), direct current (DC), and broadband
among others. Companies are often inclined towards AC-PLC solutions however,
DC-PLC solutions are widely used in distribution energy generation,
automobiles, and transportation. Narrowband PLC, a type of PLC is widely used
for applications such as smart grid, micro-inverters, and solar panels.
However, broadband PLC applications are often used for last mile solutions such
as video surveillance.
PLC
reduces the requirement of additional communication paths as it uses existing
wiring network. It helps to reduce the cost of installation as compared to
other communication systems. In addition, PLC technology provides data
transmission at high rates. All these factors are expected to drive the PLC
market over the forecast period. However, PLC technology works with medium and
low voltage power lines due to high rates of data attenuation. Furthermore,
electric noise generation is a major concern, and affects the performance of
PLC. In addition, various standards for the use of PLC, and legal restrictions
on frequency bands limit data rates acting as a restraint to its large scale
adoption. The wide use of PLC technology for both in-house applications, and
last mile applications in various industries are expected to provide
significant growth opportunities to the PLC market.
The PLC
Market can be segmented by component, type, solution, application, and
geography. By component, the PLC market is segmented into hardware, and
services. By type, the PLC market is segmented into narrowband PLC, and
Broadband PLC. Based on solution, the PLC market is segmented into PLC over AC
lines, and PLC over DC lines. By application, the PLC market is segmented into
industrial, lighting, transport, residential, and others. On the basis of
geography, the PLC market is segmented into North America, Europe, Asia
Pacific, Latin America, and Middle East and Africa. Among these regions, North
America and Europe has seen significant growth in the PLC market due to
increased demand for automation in multiple industries. However, the European
region has certain regulations and standards on the frequency use of PLC.
Similarly, in North America, 0 – 500 KHz and part of 2 to 30 kHz unlicensed
spectrum is used for PLC technology. Asia-Pacific, and Middle East and Africa
is anticipated to see large scale adoption of PLC technology due to increasing
technological advancements, and significant improvement in the adoption of PLC
across multiple applications.
The
major players in the global PLC market include Maxim Integrated, Inc., Cypress
Semiconductor Corporation, Atmel Corporation, Echelon Corporation, Enverv,
Inc., Semtech Corporation, Sigma Designs, Inc., Rational Network, Setel
Limited, Marvell International Ltd., Semitech Semiconductor, PLC International,
and Xemex NV.
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