Bharti Airtel launched India's first TD LTE / 4G services in Kolkata yesterday ( April 10 , 2012 ). ZTE, the Chinese telecom equipment maker, will be the backbone of its network in Kolkata .
Mr. Cui Liangjun, Chief Executive Officer,
ZTE India said, “We are glad to be a part of Airtel’s foray into LTE services for the first time in India. ZTE is fully determined to build a strong LTE ecosystem that offers a scintillating experience for Internet users.”
TD-LTE ( Time-Division Long-Term Evolution ) is China's home-grown 4-G mobile-telecommunications technology and standard co-developed, since late 2007, by Datang Telecom, China Mobile, Huawei, ZTE, Nokia Siemens Networks, Alcatel Shanghai Bell, Qualcomm, ST-Ericsson, Leadcore.
ZTE is a leader in developing
LTE technologies and till date has applied for 381 essential patents (EPs) for LTE standards, which account for approximately seven percent of the total number of EP applications globally. The organization offers a full range of LTE base stations, including widely distributed macro stations. It has won 30 contracts for LTE commercial application and has deployed test networks in cooperation with more than 100 operators across the globe.
TD-LTE offers asymmetric use of unpaired spectrum.It allocates separate channels for outward and return signals, emulating full-duplex transmission over a half-duplex communication link.