Massive Mimo, or massive multiple input multiple output, increases capacity of a base station by five to seven times and reduces interference substantially, in turn boosting the transmission signal to the devices. NEW DELHI: Incumbent telecom operators Vodafone India, Idea Cellularand Reliance Jio have started work to prepare their networks for the futuristic 5G technology, and are now preparing to introduce massive MIMO technology into their respective networks. The technology is considered a key enabler for 5G networks, which are expected to be rolled out after 2020 in India. Bigger rival Bharti Airtel has already started with the first round of deployment in Bangalore and Kolkata and will expand to other cities like Pune, Hyderabad and Chandigarh. “We are in the process of bringing massive MIMO on 4G in India,” Himanshu Kapania, Managing Director, Idea Cellular, told ET. Idea Cellular, which now has a pan-India 4G network, is currently trailing the massive MIMO technology in var...