In 1971, India asked an IIT Delhi engineer to build its own sonar; decades later, his MIMO invention transformed 4G, 5G and Wi-Fi
- Posted on August 20, 2026
- By The Times of India
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- 1 min read
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In 1971, India asked an IIT Delhi engineer to build its own sonar; decades later, his MIMO invention transformed 4G, 5G and Wi-Fi
In 1971, a naval officer was asked to solve a problem that India could not simply buy its way out of. The Indian Navy needed better anti-submarine sonar, but access to advanced foreign systems was restricted.
