In an announcement at Mobile World Congress 2014 in Barcelona, Hong Kong cellco CSL and Chinese vendor ZTE claimed Hong Kong’s first deployment of a 300Mbps LTE Advanced (LTE-A) cell site in a commercial network. CSL has combined its licensed 20MHz LTE spectrum block in the 2600MHz range with a 20MHz block in the 1800MHz range to achieve a maximum theoretical speed of 300Mbps using ZTE’s carrier aggregation (CA) technology. Christian Daigneault, CTO at CSL, noted: ‘The activation of LTE Advanced at 300Mbps in our network can be done quickly since we already have deployed dual-band LTE Software Definable Radio (SDR) hardware at both 1800MHz and 2600MHz at our cell sites, and the upgrade requires a software change in most cases. This makes us one step closer to the introduction of full commercial service in the second half of 2014 when devices are expected to be available’. CSL also revealed it is collaborating with Qualcomm and ZTE on testing a new LTE-A CAT-6 modem using the Qualcomm Gobi 9×35 chipset, supporting download speeds up to 300Mbps, which is expected to be available commercially by the second half of this year.
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