公开(公告)号：US10985962B1

公开(公告)日：2021-04-20

申请号：US16931097

申请日：2020-07-16

Applicant: University of South Carolina

Inventor： Alphan Sahin ,  Safi Shams Muhtasimu Hoque

IPC: H04L27/26 ,  H04B1/69

Abstract: A method, performed at a transmitter, for increasing communication link distance and reliability in a communication channel or dual function radar communication system, is provided. The method includes calculating an information sequence, indices of non-zero elements and corresponding values in the sequence indicating information bits to be transmitted; shaping a Discrete Fourier Transform (DFT) of the information sequence by special frequency-domain spectral shaping (FDSS) in the frequency domain to form a frequency-domain representation of chirp signals; mapping the shaped sequence to orthogonal frequency division multiplexing (OFDM) subcarriers; performing an inverse DFT of the mapped shaped sequence to form chirp signals to be transmitted; and transmitting the chirp signals with a cycle prefix (CP).