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does google make their own modems? how many ways can you really communicate with a cell tower?
Analog encoding assigns each device in a cell its own frequency range.
Time-domain multiplexing assigns each device a fraction of a second to transmit.
Quadrature phase-shift keying alters the timing of a signal to convey data.
Orthogonal frequency-division multiplexing has each device transmit the same signal over P out of Q bands, such that each device's signal can be reconstructed by knowing which bands it transmitted on.
There's a fucking reason your phone is faster now than in 2010.
So, many fucking ways, got it.
They bought Motorola back in the day. I always assumed it was for the patent portfolio.
Yes it was, that's why they kept the patents when they sold Motorola.