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Incremental wireless developments have seen a string of progressively more complex analogue modulation schemes, but no digital systems. Our old analogue technologies are merely interfaced with complex digital modems and we have failed to escape the constraints of bands and channels. But our world has moved on from big towers, high energy, and long distance communication to one dominated by very short range, mW, µW and nW transmissions. Even the mobile device world is migrating to smaller and smaller cells, whilst the IoT may predominately by-pass all our conventional networks by employing mesh nets and/or opportunistic store and forward.
“A world of 250Bn fixed and mobile ‘Things‘ is entirely different to one of 7Bn Mobiles”
In this new paradigm the apparent shortages of wireless bandwidth and capacity are more a manifestation of wrong thinking than actual constraints of a well trodden analogue past. The reality is; we have an infinity of bandwidth and there are no physical or otherwise limitations to wireless communications for short distance applications provided we think and design digitally to exploit all the degrees of freedom to hand. In the extreme, we can operate under the thermal noise to become invisible and beyond regulation and control.
“The IoT will see more things connecting and communicating off the net than on”