Talk:High Speed Packet Access

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[edit] HSPA a successor to or a part of UMTS

One day someone will come up with a nice diagram to explain all these technologies and how they compare and relate. Based on UMTS being the successor of GSM and cdmaOne/CDMA2000 being a completely different family:

Is HSPA (HSDPA, HSUPA) a successor to UMTS? Or maybe a subgroup of technologies in the same family/system? ~K