Cingular's 3G network, therefore, runs on a combination of High Speed Data Packet Access
(HSDPA) and Universal Mobile Telephone Service (UMTS), which shares its common core network and is backwards compatible with other data technologies in the GSM family: general packet radio service (GPRS) and enhanced data rates for global evolution (EDGE).
High Speed Data Packet Access
(HSDPA) technology is being introduced to the mobile communications network of mobile operator T-Mobile, beginning with Austria and Germany.
Swedish telecomms solutions provider Ericsson said on Tuesday (18 October) that it had successfully upgraded the US wireless operator Cingular Wireless' UMTS infrastructure in the Dallas/Fort Worth market to High Speed Data Packet Access
A fully commercial High Speed Data Packet Access
(HSDPA) service has been introduced by SK Telecom, a mobile services provider in South Korea.