Communications upgrade for Kolkata’s metro system

Asia’s largest railway network operator is upgrading the Kolkata metro line’s communication systems. Indian Railways has commissioned Nokia Siemens Networks to implement its GSM-R (Global System for Mobile Communications – Railway) infrastructure in order to improve the safety and reliability of the Kolkata metro line while lowering operational costs.

While the rail company’s 3500km network is already supported by NSN, the GSM-R deployment will significantly improve the network’s capacity. As part of the deal, NSN will supply operational components such as switching centres, Intelligent Network (IN) platforms, service and management platforms, controller data transmission elements and mobile handsets for drivers.

The firm’s In-Building solution will enhance indoor coverage for the metro. The GSM-R infrastructure significantly enhances communication with trains passing through tunnels, providing far greater security in case of emergencies. Its interoperability improves the safety and speed of all railway operational services, as well as allowing train drivers to communicate freely throughout journeys.

“Reliable railway communications is vital to address the increasing traffic density while ensuring better passenger services and safer operations,” said Sandeep Girotra, head of India Region at Nokia Siemens Networks.

GSM-R ensures a reliable network that allows seamless communications on board trains running at high speeds and in diverse terrains. Nokia Siemens Networks’ GSM-R core network components such as Railway at-Vantage core mobility servers are designed to address railways’ demanding reliability and growing capacity requirements.

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