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Everything posted by PaulD

  1. But then doesn't that lead to using a lot more power as you need to keep polling for the change in those conditions rather than the scheduled transmission?
  2. If you can get LP satellite comms is there any reason you would use LP wan? Thanks Paul Answer transcribed from webinar response by Rian Sullings (WaterGroup P/L): Yes. The low power wide area networks over ground may be better in instances where the meter is indoors or doesn't have good visibility to the sky (for example if it is located in abasement car parks or a city like Canberra and Adelaide where there is a metal checker plate over the top of the meter itself). It may also come down to a question of power consumption. The satellite communication for smart metering applications is something that I intend to explore a little bit more, and if there's anybody else out there who's an expert on that or has a cool LP satellite Arduino shield or something like that, feel free to reach out and let me know about it.
  3. Hi Tim and Ryan, In rural areas are there any other solutions rather than having a repeater every 10km or so? Thanks Paul Answer transcribed from webinar response by Rian Sullings (WaterGroup P/L): Yes, absolutely. Depending on the geography of the rural area, some of the LPWANs can exceed 10 km reliably, so therefore you'd have a base station that might provide 20 or 30 km if you've got nice flat land. If it's more hilly, then you might have some challenges. Another technology that's starting to emerge and looking like it might be a really viable option for remote smart metering or anything IoT is satellite communications. We've gone from having quite high-powered wireless communication across the land, to the LPWAN or low power overland communication. In the past year or so, there's been a few leaps and bounds made in the low-power satellite communication space where you can, in theory, have one or two D cell batteries on a device, and it can be sending its data up once or twice a day and bouncing it off a satellite and lasting 10, 15 years on those batteries.
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