Abstract: In this paper, an affine frequency division multiplexing aided grant-free random access (AFDM-GF-RA) system is designed for low Earth orbit (LEO) satellite Internet of Things (SIoT) networks ...
Abstract: The Zak transform can directly map signals from the delay-Doppler domain to the time domain, which has a relatively low complexity for orthogonal time frequency space (OTFS) signal ...
The fund has returned 17.42 percent over the past year, 11.95 percent over the past three years, 7.89 percent over the past five years, and 10.25 percent over the past decade.
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