Samsung Electronics has deployed what it claim is the world's first tri-band carrier aggregation (CA) technology in an LTE commercial network, increasing download speeds to 300Mbps - four times faster than an LTE network.
The LTE-A Tri-Band CA networks will be initially available to mobile customers in Seoul, with the service to be rolled out nationwide in 2015.
"As people increasingly demand data heavy applications such as HD video on their mobile devices, the telecommunications industry needs innovative technologies that enable significant performance enhancements over existing network infrastructure, said Justin Hume, director of product marketing, integrated mobility at Samsung Electronics SA. "Our LTE-A Tri-Band CA technology lets people enjoy the best possible mobile experience, while allowing operators to seize an opportunity to differentiate the capabilities of their networks."
Samsung says it commercialised the world's first dual-band CA network in June 2013, in Korea. Samsung leveraged the experience gained from this to develop a tri-band CA solution, which further cements the capabilities of LTE-A and brings the industry one step closer to the 5G era, says the company.
Samsung explains that while tri-band CA is considered to significantly improve throughput capacity of mobile networks, particularly in densely populated areas, its ability to aggregate heavily fragmented spectrum brings important spectral efficiency to operators with limited spectrum availability. "With tri-band CA, operators can provide a truly advanced LTE experience to their customers, by allowing fragmented blocks of data across multiple spectrums to function as a single, larger unified block."
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