Open AccessReduction of sidelobe levels in multicarrier radar signals via the fusion of hill patterns and geometric progression
Author(s) -
Gopalkrishna Raghavendra Channapatna,
Marasandra Prakash Raghu Srivatsa,
Nayak Panemangalore Vignesh
Publication year - 2021
Publication title -
etri journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 46
eISSN - 2233-7326
pISSN - 1225-6463
DOI - 10.4218/etrij.2020-0158
Subject(s) - radar , computer science , electronic engineering , orthogonal frequency division multiplexing , waveform , envelope (radar) , algorithm , artificial intelligence , engineering , telecommunications , channel (broadcasting)
Multi‐carrier waveforms have several advantages over single‐carrier waveforms for radar communication. Employing multi‐carrier complementary phase‐coded (MCPC) waveforms in radar applications has recently attracted significant attention. MCPC radar signals take advantage of orthogonal frequency division multiplexing properties, and several authors have explored the use of MCPC signals and the difficulties associated with their implementation. The sidelobe level and peak‐to‐mean‐envelope‐power ratio (PMEPR) are the key issues that must be addressed to improve the performance of radar signals. We propose a scheme that applies pattern‐based scaling and geometric progression methods to enhance sidelobe and PMEPR levels in MCPC radar signals. Numerical results demonstrate the improvement of sidelobe and PMEPR levels in the proposed scheme. Additionally, autocorrelations are obtained and analyzed by applying the proposed scheme in extensive simulation experiments.