Indian astronaut Group Captain Shubhanshu Shukla introduces Joy, a soft toy swan, from the International Space Station. More than a Zero-G indicator, Shukla explains the swans profound symbolism of ...

In this paper, we investigate noncoherent detection, i.e. detection assuming the absence of channel state information at the receiver, of on-off keying in an intensity modulation and direct detection ...

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Symbol of India in space: Designer Manish Tripathi creates AXIOM-4 mission badge for Subhanshu Shukla Designer Manish Tripathi creates a unique mission badge for AXIOM-4 astronaut Subhanshu Shukla.