Nokia Siemens to deploy 5000 km info super-highway in China

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China Unicom subscribers can look forward to a ten-fold increase in their access data rates thanks to a faster information highway across the country. Nokia Siemens Networks is deploying a 5,000 kilometer, 40 Gigabits per second DWDM optical network for China Unicom, paving the way for upgrades to 100Gbps across seven provinces.
The increased uptake of bandwidth-hungry applications requires capacity upgrades in the backbones of the operator's networks to maximize subscriber experience. The dense wavelength division multiplexing (DWDM) network will prepare the operator to handle future IP traffic growth while reducing the number of sites and keeping control of its costs.
“Our 40G DWDM system will ensure a longer life cycle for China Unicom’s network by increasing its network capacity to handle data traffic growth. In fact, since CP-QPSK* technology is being used for the first time in China, it will act as a new benchmark for enhancing transport performance and end-user experience,” said Markus Borchert, head of Greater China region at Nokia Siemens Networks.