2G / 3G / LTE differences and similarities at layer 1 ...

[John Case]

On Fri, 5 Oct 2012, Mh wrote:

> i am not aware of a single doc covering this and perhaps suggesting you 
> to go read all the specs is not even funny . i've read a WCDMA book long 
> time ago and it helped me doing many different stuff over the years 
> having the correct big picture in details at background . sounds very 
> general , but take a look . certainly helps .


How similar (roughly) are 2G GSM, 3G GSM, and LTE at the layer 1 level ?