How successfully will Mitsubishi Electric and Toshiba, two key domestic companies selected by Japanese utilities to facilitate smart metering rollouts, be able to deploy wireless mesh communication on such a large scale? And will connectivity rates be viable for smart metering and smart grid applications?
The results aren't in yet but the process that these Japanese technology giants are going through to achieve cellular connectivity will be one that other countries with high urban density will be keen to replicate.
One alternative solution offered by US metering solutions company Sensus is to use long range radio frequency technology on 280MHz.
The company told Metering.com today that it's trial of long range RF in a densely populated part of Tokyo kicks off next month.
Sensus hopes the results will persuade the government regulator to allocate a piece of the connectivity pie to its FlexNet communications system.
And what of metering rollouts? Only when utilities can be assured of good connectivity, can we expect to hear 'rollouts' as the talk of Japan's smart metering community.
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