www.WirelessFederation.com/news: Successful tests of HSPA+ technology with the capability to deliver downlink speeds of up to 28Mbps was completed by Sri Lankan mobile operator Mobitel, a subsidiary of wireline incumbent Sri Lanka
Telecom.

Installation of Multiple-Input-Multiple-Output (MIMO) technology which effectively uses multiple antennas in both the handset helped to achieve the speed. Besides, HSPA network is also used, that splits the radio signal into multiple streams, providing an ideal platform to offer faster mobile broadband access and enhanced data-based services.

Mobital carried out the tests of HSPA+ in partnership with China’s Huawei Technologies. Commercial 3.5G network services under the ‘M3’ banner was launched by Mobitel in December 2007 based on HSDPA/HSUPA technology, enabling maximum theoretical speeds of 14.4Mbps (downlink) and 2Mbps (uplink).