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LORA, LTE-M and SIGFOX

2016-08-22

The technology of the IOT is being staged, the focus of controversy is the Sigfox, LoRa and LTE-M. Because GPRS network can not be covered everywhere, so people pay more attention to Sigfox, LoRa, LE-M. Search LPWAN, the three can be seen everywhere.

  * Sigfox- Become a global IOT operators

  * LoRa- Provide a technology that allows other companies a global network.

  * LTE-M- Improve present technology for network operators to gain more benefits.

  IOT consumption patterns and mobile phones are not the same. Consumers are willing to pay more for mobile phones, will often replace the phone. At the same time, they want to get more data at the same price. The network becomes the source of the data, but the IOT consumers only need a small amount of data. Prior to the idea of connecting 50 billion devices are based on a few minutes to send and receive a few hundred bytes of data. At the same time, the value of each data is very high, so the business model must ensure that input and continuous operating costs can be received in return.

  The best part of the controversy is the cost of data transmission - data from the device to the cloud.

Low rate, cellular data in many countries have a substantial decline in the cost, some are willing to lower to $0.3/ months, of course, some operators trying to reach $100/ years. If you want to access ten billion equipments, the cost of data transmission must be free. The reasons are as follows.

1 once tens billions of devices access, most of the value of the data is zero. Installing a sensor on the street can improve the value of the application, but the value of each sensor is small. If you want to pay for this, it is not cost-effective.

2 when the data gain is a few dollars a year, you pay (monitor, charge costs) will be higher than the income. t is best not to charge.

3 consumers are not accustomed to buying a number of similar equipment.

  1 once tens of billions of devices access, most of the value of the data is zero. Installing a sensor on the street can help improve the value of the application, but the value of each sensor is small and small. If you want to pay for this, it is not cost-effective.

2 when the data gain is lower than a few dollars a year, you pay (monitor, charge costs) will be higher than the income. At this time it is best not to charge.

3 consumers are not accustomed to buying a number of similar equipment.

In short, for the transmission of small data, the distribution of the cost contains the data. The network only needs to be the least cost to the cloud. It is better to contain this part of the function in the chip.

 

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