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IPTV / Home Networking Forums

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March 22, 2010

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JonHusen

The point of connection to the grid, the meter, would be the logical starting point for monitoring a building's electrical usage. By monitoring the source of power one would ensure collection of all electrical usage data. Communication modules that go between the existing meter and building exist, but they are still considered a subset of Smart Meter device.
Any other management tools I can think of consist of some sort of communication/information hub (ie. in-home display) and modules, either built into or retrofitted to appliances, to enable logging of usage info. These modules would have to be on every device from which you would want energy usage data. But, this would only give you data on select appliances and not total usage. In order to attribute usage data to specific devices, these modules would also be needed to communicate with a SM, but you have more aggregate data using a SM solution than a hub device. Please, expand my scope of thinking if you have another solution.

Rich Nesin

No question the SM has to communicate the information that only it knows (or that it knows best). Similarly data has to be reliably communicated to the SM. My point is that the SM doesn't have to be the primary gateway or the data processing device. There are already very capable processing devices on both ends of a building's broadband access line that can do this. How the SM sends and receives data should be standards based however the PHY technology itself shouldn't be mandated.

The bandwidth requirements seem comparitively low and there are already several widely deployed technologies - Zigbee, HomePlug, WiFi, etc. that would serve well with more like Zigbee 2.0 and G.hn in the works. A standard interface for a hardened communication module that would plug into the SM might be a good start. The various home networking manufacturers would supply the modules in the various technology flavors based on market demand. For that matter why limit yourself to one home networking technology? Many residential gateways deployed today by telcos already offer both wired and wireless home networking.

affordable property management

Great Post! It's very nice to read this info from someone that actually knows what they are talking about

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