Indian Telco Bharti Airtel has launched 4G  TD-LTE mobile services in Kolkata. Operator plans to roll out 4G services soon in the other three circles of Karnataka, Punjab and Maharashtra (excluding Mumbai). Airtel has selected ZTE to plan, design, supply and deploy its TD-LTE network in Kolkata. 

Indian telecom service provider Bharti Airtel is set to launch 4G services in Kolkata this month. "It will be launched this month in Kolkata," Bharti Airtel CEO Sanjay Kapoor said when asked about launch of 4G services by the company on sidelines of GSMA event here, reports Financial Express.

Saudi Telecom Company (STC) has selected Nokia Siemens Networks to upgrade its nationwide GSM and 3G networks and expand its commercial 4G TD-LTE network. According to company, Nokia Siemens Networks is now responsible for building one-third of STC’s nationwide 4G network.

Hi3G has awarded a contract to ZTE to deliver the next stage of the LTE infrastructure network as it builds out the LTE TDD/FDD dual-mode network in Sweden. Under new contract, ZTE will deliver the SDR-based infrastructure equipment to upgrade the operator's 3G network in Sweden.

UK Broadband (UKB) has switched on its first 4G TD-LTE system in London using 3.5GHz spectrum. UKB is deploying its network using Huawei’s TD-LTE solution.

Indian telecom service provider, Bharti Airtel has selected Nokia Siemens Networks to build and operate its TD-LTE network in Maharashtra, one of the country’s largest telecom circles. The launch of commercial TD-LTE services is planned later this year. Bharti Airtel will deploy its TD-LTE network in the 2.3 GHz frequency band.

ZTE and 3 Sweden today presented a live interactive video demonstration using TD-LTE technology at Mobile World Congress 2012. The ZTE booth at the Barcelona is connected with a 3 Sweden store in Stockholm for this demo.

Alcatel-Lucent and China Mobile have signed a co-creation agreement under which teams from the two companies are conducting joint development and test activities on a series of lightRadio projects at Alcatel-Lucent’s Stuttgart lab. This collaboration will speed the introduction of the lightRadio product prototype to the second half of the year.