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IIT Delhi engineer built India’s sonar in 1971: How his MIMO changed 4G, 5G

Times of India

ScienceTimes of India·Aug 20, 2026·1 min read

IIT Delhi engineer built India’s sonar in 1971: How his MIMO changed 4G, 5G

Indian engineer and scientist Arogyaswami Paulraj’s journey from developing indigenous sonar for the Indian Navy to pioneering MIMO technology illustrates the far-reaching impact of research. His APSOH sonar project strengthened India’s…

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