Page 232 - From Smart Grid to Internet of Energy

Emerging wireless communication for smart grid applications Chapter 5 205

Since the WiMAX technology was primarily designed for the WMANs, it can
be regarded as a promising technology for SG WANs [45, 62]. This technology is
regarded as a promising technology for Advanced Metering Infrastructure (AMI)
applications because of low latency, lower costs, enhanced security and scalabil-
ity advantages. If the AMI system is conducted via this technology, real time pric-
ing services may effectively serve. In addition, this technology can be exploited
for remote monitoring applications in SG systems. To sum up, the duty of this
technology will change according to requirements, system background, infra-
structures and environmental conditions. The deployment of WiMAX technology
in the SG applications is illustrated in Fig. 5.15. The duties of the WiMAX tech-
nology in SG implementations can be classified into four groups as backhaul, last-
mile connectivity, mobility and emergency [63]. In backhaul scenario, the tech-
nology can supply connections between base stations and network operating cen-
ter (NOC) where the WiMAX ensures interoperability among several wired and
wireless communication methods utilized in terminal devices. One of the most
important advantage of this technology is mobility provided in the wide coverage
areas. This advantage allows supporting mobile units and services at the same
network infrastructure. Last-mile connectivity case is related to connection of
technology directly to terminal devices available in the network, which is an
important requirement for remote monitoring applications. When an emergency
occurs, mobile base stations and related devices can be transferred to emergency
area for establishing a tentative network that may exploit WiMAX or other com-
munication technologies as backhaul.

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