Overview of IOT Networks

There are many choices for transmitting information in between IOT sensing units and a web/ mobile application, through an IoT platform. Each has its benefits and drawbacks. There is no universal solution.


Wired & Short Range wireless networks
The first option is to wire the sensing units. Or utilize short-range wireless networks. However obviously, it does not offer a worldwide scope and is therefore really limiting. In the context of wireless networks, we can point out:

  • WIFI: huge consumer of energy, it does not allow a realistic operation on battery, and is not well adjusted to an industrial environment.
  • Bluetooth, ZigBee, Z-Wave


M2M-- 2G, 3G, 4G & 5G networks
Until now, when it comes to linking a thing (a device, an automobile ...) to understand its status, its place, or engage with it, the only international service-- a worldwide geographical coverage, national, even global-- included equipping it with a SIM card, and using the GPRS/ 3G network of a telecom operator. The issues of this technology, commonly called M2M (Machine to Machine), are known:

  • Pricey devices: challenging to discover a 3G modem for less than 20-30 Euro ...
  • Very high energy usage, requiring either a permanent power source (and therefore a wiring) or an effective battery, making the size of the sensing unit incompatible with many use cases
  • Large footprint
  • A subscription expense, for connectivity, is not unimportant, related to the need for a radio network (antennas operators) is dense and expensive.
It is therefore hard, with the M2M, to link small things, or not have an electric source. Or to accept that the sensing unit costs more than the linked item itself ... Not to mention that it is unfavorable for health, provided the power of emissions, to carry a linked object in 3G, 24 hr a day.

LPWAN-- Low Power Wide Location Networks
It is in this context that LPWAN-- Low Power Wide Area Network-- innovations have actually emerged. The goals of this technology are to propose sensors

  • Inexpensive-- in the end just a few euros ...
  • Little sizes-- a few centimeters away, or less ...
  • Can operate on battery, with excellent autonomy (5-10years!).
  • Optimized to communicate for really small data rates, for a couple of Euro cents a month.




Click this link:- IoT SIM Card

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