KDDI Deploys Nokia Gigabit G.fast Solution to Bring New Services to Customers in Japan

  • Nokia
TOKYO — KDDI, a telecommunications operator in Japan, is deploying Nokia's G.fast solution to apartments and multi-dwelling units (MDU) buildings to deliver ultra-broadband services to customers. Reducing the need to install new fiber, Nokia's technology will enable KDDI to use existing copper lines in MDU buildings to deliver 830Mbps combined uplink and downlink speeds to customers.

To support customers' ultra-broadband needs, Japanese operators are using fiber where possible along with new technologies like G.fast for a large number of MDU locations where copper is already installed. Developed by Nokia Bell Labs, G.fast uses vectoring technology to effectively reduce cross-talk interference that typically impacts data speeds over copper networks. Providing support for Japan's VDSL2 specifications, Nokia's G.fast solution will minimize the impact to existing VDSL systems and enable operators to quickly upgrade their high-speed internet service to gigabit class through a simple CPE (customer premises equipment) replacement.

KDDI has been Deploying Nokia's G.fast Solution and has Started its Rollout of 'au Hikari MDU Type G'.

Teresa Mastrangelo, principal analyst at Broadband Trends said, "G.fast continues to be a preferred choice for operators seeking to deliver gigabit broadband services to MDUs as it eliminates many of the issues found with FTTH deployments such as building types and access. However, in Japan, deploying G.fast can be just as challenging as fiber due to the unique VDSL ecosystem and standards in place. As one of the few vendors capable of supporting both the global and local Japanese VDSL standard, Nokia has been able to help KDDI capitalize on the benefits of G.fast and seamlessly scale and migrate their network with minimal disruption. This win is another great example for how G.fast technology is being used to quickly address customers need for greater broadband speeds."

Shigenari Saito, administrative officer, general manager, network technology development division, technology sector, at KDDI said, "KDDI already provides 10 Gbps service for our 'au Hikari' FTTH customers, but the speed we can provide has been limited to 100 Mbps service for MDUs where fiber is difficult to deploy. Nokia's G.fast solution enables us to connect existing 100 Mbps users and new G.fast users under the same DPU (distribution point unit). This gives us the flexibility and economical path to meet the customer's demands for higher speed. Our decision to deploy Nokia G.fast is based on our long-term relationship, Nokia continues to be our long-term partner for delivering technology innovations."

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