AUTHOR=She Changyang , Cheng Peng , Li Ang , Li Yonghui 

TITLE=Grand Challenges in Signal Processing for Communications

JOURNAL=Frontiers in Signal Processing

VOLUME=1

YEAR=2021

URL=https://www.frontiersin.org/journals/signal-processing/articles/10.3389/frsip.2021.664331

DOI=10.3389/frsip.2021.664331

ISSN=2673-8198