Flexible RF, Picasso, one paper from SIGCOMM 2012

Hello est, Albert, and all,

I read a paper, ‘Picasso: Flexible RF and Spectrum Slicing’, from
SIGCOMM
2012 recently. And I found it gives a solution to integrate many
spectrum
bands into one antenna and RF chain.

Basically, Picasso uses a very wideband AD/DA and then digitally slices
the
spectrum into many bands for different usages. There are some tricks for
interference cancellation.

I’m not a RF expert. I don’t know whether this solution is really novel.
I
just remember that you mentioned that LTE has a too wide frequency range
and this brings big challenge to mobile chipset design. Picasso is a
possible solution to this problem.

Just FYI
Lin

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