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Nokia Siemens Networks drives development of TD-LTE

Following the industry’s first lab based TD-LTE demonstrations last year R&D in Hangzhou is being ramped up to support its commercial roll-out.

Nokia Siemens Networks is gearing up for the launch of next generation Time Division Duplex Long Term Evolution (TD-LTE) technology in China. Following the industry’s first successful lab demonstrations conducted with leading operators in Germany last year, the company has further expanded its team in Hangzhou, China, to support the commercial roll out of TD-LTE.

Nokia Siemens Networks’ Hangzhou R&D center plays a pivotal role for the company. As well as driving innovation across GSM/EDGE, WCDMA/HSPA, LTE, I- HSPA and WiMAX technologies, Hangzhou’s 1,000 strong R&D team is being expanded to focus on supporting China’s home-grown TD-LTE technology through 2009. The company has been cooperating with leading operators in China and Europe to evaluate the performance of TD-LTE technology under various deployment situations and will continue this work with more advanced over the air tests and finally field trials in a pre-commercial multi-cell test network.

The TD-LTE first phase tests were completed in November last year and demonstrated the high throughput performance, in particular peak data rates and low latencies, of TD-LTE under various channel conditions as well as the robustness of the technology. The tests confirm that users will truly enjoy the superior mobile broadband experience promised by the LTE standard even in unpaired frequency spectrum.

“TD-LTE can catapult China to advanced next generation mobile broadband services and we are committed to putting significant resources to support its development and deployment,” said Marc Rouanne, head of the company’s Radio Access business. “In addition to the significant boost in ground resources, our fast rollout service capability and experiences in the region will help us in delivering cost efficient and high quality next generation mobile broadband networks to the benefit of operators and end users.”

Nokia Siemens Networks has played a pioneering role in China’s home grown technology standard TD-SCDMA and has developed a well proven network solution for this technology. In addition, it provides comprehensive delivery capability in related network planning, construction and optimization projects. The company’s expertise in TDD technology gained through deploying credible and competitive TD-SCDMA solutions in China, coupled with our global leadership in LTE puts us in an extremely advantageous position in the region.

A forerunner in LTE, Nokia Siemens Networks has made a long-term commitment through significant financial and R&D investment, across both Frequency Division Duplex (FDD) and Time Division Duplex (TDD) mode of operations. The company was the first to demonstrate LTE technology with data speeds in the 160Mb/s range as well as a successful handover between LTE and HSPA as early as 2006. The company continued breaking records in 2007 by demonstrating multi-user field trials in urban environments with peak data rates of 173 Mb/s. Launched in February 2008, Nokia Siemens Networks’ LTE capable Flexi base station is already shipping since Q3 2008, far ahead of competition. It is also one of the key contributors for standardization of both LTE modes in 3GPP.

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