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Connectivity for the Internet of Things, and the role of 5G
The Internet of Things depends on three pillars, the silicon (in the device itself), the software (in the application that uses it) and the communication (providing the connectivity that allows it all to work). A look at the used cases across industry verticals reveals large areas of similarity in the communication requirements. In this paper, we will discuss how communication is essential for the Internet of Things.
This paper does not dwell deep into wired connectivity, short range radio or satellite services. Instead, it will discuss what we think is the ‘baseline’ device — a battery-powered one that lives close to us humans in our technological ‘cocoon’, but is neither tethered nor has a reliable local gateway to talk through.
This paper also discusses:
The Science (Theory) which explains how today’s digital receivers have the capability to receive digitized signal and the resulting bit-rate is proportional to the bandwidth of the signal and thus larger bandwidth directly results in higher processing workload.
The Incumbent 2G, 3G & 4G cellular The ‘2nd Generation’ GSM/GPRS/EDGE networks are rapidly becoming unfashionable today as their more advanced descendants, ‘3rd Generation’ (3G) UMTS/HSPA and ‘4th Generation’ (4G) LTE networks, appear.
Where 5G Fits into all This? In reality, every device in every ‘IoT’ use case occupies its own coordinates in the three inter-dependent dimensions of data traffic, power consumption and mobility and thus what the industry should expect from 5G.
For IoT, required data rate is minuscule thus lower loss of battery power
Unlicensed spectrum is good enough, as it is free to use
4 Billion connected people, 26+ Million Apps and 60 Trillion GBs of data predicted by 2020
5G predicted to be 1000 times faster than the current 4G
Wireless Spectrum above 5 GZ: Less than 1 Millisecond latency