Wolfgang S. Rupprecht wrote:
One other hope I have is that the RF chip designers will start making
more flexible radios. Does a GSM/wifi/bluetooth/GPS phone really need
4 different RF chips and associated antennas and cabling? Using
software-radio techniques it might be possible to combine some of the
hardware.
Basically - perhaps at some time in the distant future.
For the moment, basically no.
There are a large number of reasons why not - firstly, 1GHz A/D
converter chips are both large, power-hungry, and expensive.
Secondly, processing the output from them is hard.
Thirdly, the dynamic range and intermodulation between different radio
frequencies mean that it's even harder.
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