Wireless versus Fixed-line Networks

Real-time, 2-way data collection capabilities are inherent to the success of any AMI grid deployment and there are differing views on which communications solution is best. Some within the industry argue that while an integrated wireless system (two or more discrete wireless platforms combined) can be cheaply and easily installed, broadband over powerline (BPL) is a better way to solve Smart Grid communications problems. However, BPL has its own myriad problems, not the least of which is system unavailability during blackouts and disasters. That fatal flaw alone is enough to warrant using wireless systems, instead of BPL, to build the communications backbone of a Smart Grid. But, there are other benefits to going wireless. Line crews, equipped with wireless capability repair trucks, would be able to communicate directly with substations and meters, eliminating the need to communicate with a central office. Utilizing cellular networks, a utility will be able to fix problems faster at a reduced cost, while providing improved customer service and satisfaction. Superior, reliable service, through M2M applications, makes cellular the premier enabling technology for the AMI powered Smart Grid of tomorrow.

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