A Novel Design of Flag Sequences for Low-Complexity Delay-Doppler Estimation

Lingsheng Meng, Yong Liang Guan, Yao Ge, Zilong Liu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper presents a novel design of Flag sequences whose ambiguity functions (AFs) are featured by the peak-curtain property. Such a property can be exploited for efficient identification of the AF peak by first searching the curtain, thus leading to low-complexity delay-Doppler estimation. Motivated by the high AF sidelobes of the existing Flag sequences, we propose to minimize the customized weighted integrated sidelobe level (CWISL) with the aid of an Accelerated Partially Majorization-Minimization Algorithm (APMMA). Numerical results demon-strate that our optimized Flag sequences have lower CWISL and peak sidelobe level (PSL) in the delay-Doppler zone of interest.

Original languageEnglish
Title of host publication2022 10th International Workshop on Signal Design and Its Applications in Communications, IWSDA 2022 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665452984
DOIs
Publication statusPublished - 2022
Externally publishedYes
Event10th International Workshop on Signal Design and Its Applications in Communications, IWSDA 2022 - Colchester, United Kingdom
Duration: Aug 1 2022Aug 5 2022

Publication series

Name2022 10th International Workshop on Signal Design and Its Applications in Communications, IWSDA 2022 - Proceedings

Conference

Conference10th International Workshop on Signal Design and Its Applications in Communications, IWSDA 2022
Country/TerritoryUnited Kingdom
CityColchester
Period8/1/228/5/22

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

ASJC Scopus Subject Areas

  • Artificial Intelligence
  • Computer Networks and Communications
  • Signal Processing

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