Wireless Networks

Sky Link, Lucent expand mobile voice/data in new markets

Sky Link, the telecoms holding company established to develop a nationwide CDMA450 network in Russia , has selected Lucent to expand and upgrade Sky Link's network within ten new regions in Russia , thereby supporting additional services...

Sky Link, the telecoms holding company established to develop a nationwide CDMA450 network in Russia , has selected Lucent to expand and upgrade Sky Link's network within ten new regions in Russia , thereby supporting additional services.

By this summer, Sky Link plans to expand the coverage of its Lucent-supplied CDMA2000 1.EV-DO network to the Belgorod , Volgograd , Vologda , Vladimir , Kursk , Lipetsk , and Tver regions, to the Krasnodar and Altai territories, and to the North Ossetia-Alania Republic.

The network supports mobile high-speed data services at speeds of up to 2.4 Mb/s, and this project continues the establishment of the unified federal CDMA450 network under the Sky Link brand. It also includes both the regional expansion and technical upgrade of the network. Following the deployment, both local and roaming subscribers in these regions will be able to access reliable, high-quality, secure voice and data services, including mobile video, mobile office solutions, and other broadband applications.

Sky Link's EV-DO technology was deployed in Moscow and St Petersburg in 2005. The experience of customers in other countries that have deployed 1xEV-DO networks demonstrates a clear demand for mobile high-speed data services. For this year's project Lucent is supplying its CDMA2000 solution for the 450Hz frequency band, including its Mobile Switching Centre (MSC) and new Modular Cell 4.0 Compact base stations, which offer a smaller footprint and more cost-efficient power consumption. The Lucent CDMA2000 1xEV-DO Radio Network Controller (RNC) is intended to ensure the flexibility and scalability of network radio resources management. Lucent Worldwide Services will provide network deployment, training and support services.

In the near future, Sky Link is planning a migration to an enhanced version of CDMA2000 1xEV-DO called Revision A, which increases the efficiency, data speeds and capacity of existing EV-DO networks. CDMA2000 1xEV-DO Revision A enables users to receive data (forward link) at speeds of theoretically up to 3.1Mb/s and to send data (reverse link) at speeds of theoretically up to 1.8Mb/s. These increased reverse link data speeds reduce data latency and will enable mobile operators to deliver VoIP and other multimedia services on CDMA2000 networks in the future.

* Sky Link is the largest CDMA operator in Russia , operating an IMT-MC 450 network supporting CDMA2000 1X and 1xEV-DO technology. Its licensed territory covers 65 regions of the Russian Federation and more than 72% of the country's population. Sky Link is implementing a large- scale modernisation policy to migrate the regional NMT-450 operators to advanced digital technology. In 2006, Sky Link plans to extend its services to cover the whole licensed territory.

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