In wireless communication we use the above services to access the internet. What are the differences between the above technologies. I know that there are differences in speeds but I expect some statistical information or technology definition like thing. I mean a good comparison :)
I am adding the thing I realized..
HSPA is a common term that used to group 2 technologies. HSDPA and HSUPA. They are operated in UMTS networks.
GPRS works in GSM networks