Indian astronomers have performed multi-frequency observations of a repeating fast radio burst designated FRB 20201124A.

Abstract: As wireless communication technology rapidly develops, multipath channel effects pose a severe challenge to the effectiveness of orthogonal frequency division multiplexing systems. The ...

Abstract: The underwater acoustic channel poses a significant challenge among communication mediums due to its time-varying dynamics, long multipath propagation, and severe Doppler shifts. Ensuring ...