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Publish Date : 29-Mar-2013

Tango, Luxembourg\'s innovative telco operator, has become the country\'s first to offer 4G mobile broadband services and provide personal mobile data service plans. Nokia Siemens Networks implemented its Liquid Core network and its Circuit Switched FallBack (CSFB) system as the sole core supplier for the launch of the Tango 4G, LTE (long term evolution), services. In addition, Nokia Siemens Networks implemented subscriber data management allowing the operator to provide country\'s first personalized data tariffs.

\"We recently launched two services that are first for Luxembourg: 4G ultra-fast data and personalized data tariffs in addition to providing congestion-free services from our existing GSM and 3G networks,\" said Didier Rouma, CEO, Tango. \"Nokia Siemens Networks helped us to achieve these important goals. The company\'s core network powered the launch of 4G services and to increase overall network capacity to meet the challenge of rising data traffic.\"

\"In addition to implementing our Liquid Core network, we implemented subscriber data management system for Tango. Without differentiating between data services, it becomes difficult for operators to efficiently manage the growth in network traffic,\" said Filip Rommelaere, head of customer team Begacom Group at Nokia Siemens Networks. \"Our packet core network platform and subscriber data management solution help Tango efficiently manage data traffic and offer people greater choice in terms of the service they receive.\"

Nokia Siemens Networks implemented its Liquid Core-based Evolved Packet Core (EPC) platform, including Flexi NS (Network Server) and Flexi NG (Network Gateway) for the operator to replace outdated equipment and launch the LTE services. In addition to providing its Mobile Softswitching (MSS) that manages traditional voice calls, Nokia Siemens Networks implemented its CSFB voice solution. The CSFB solution enabled smartphones of 4G users to fallback to GSM and 3G networks from LTE so that subscribers enjoy voice calls alongside text messaging (SMS) and ultra-fast data services.

The company\'s EPC with unique 4D scaling expanded the packet core network capacity of the existing GSM and 3G networks. This allowed Tango to accommodate the surging data traffic and provide congestion-free data services, ensuring that the quality of service always remains the best. This also helped the operator lower its investments on additional equipment.

In addition, Nokia Siemens Networks implemented its subscriber data management system, including the One-NDS real-time subscriber data repository and data-less Home Location Register, and consolidated Tango\'s subscriber data from across the network. The company also provided its highly scalable Policy Control Server (PCS 5000) that optimizes traffic based on a set of business rules.

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