Learn About Cellular Communication: Physics, Quality & Modulation

[zenith]

1. Any one have a artcle or reffern about physics study of selular communication?
2. How is qulity of signal from ponsel is the best?
3. What's modulation on HP using?

 

[chroot]

Almost all cell phones use some variation of quadrature amplitude modulation.

I can't understand the rest of your question. There are hundreds of thousands of papers and books about wireless communication; we don't know what you're looking for.

- Warren