TY - GEN
T1 - Direction-of-Arrival Estimation with Efficient Graph Spatial Spectrum Construction
AU - Shen, Jiaxin
AU - Ying, Taojun
AU - Zhang, Zongyu
AU - Wei, Yingchen
AU - Liu, Wei
AU - Shi, Zhiguo
N1 - Publisher Copyright:
© 2024 IEEE.
PY - 2024/8
Y1 - 2024/8
N2 - Existing graph signal processing (GSP) based direction-of-arrival (DOA) estimation methods suffer from high computational complexity due to the way of graph spatial spectrum construction. In this paper, an efficient GSP-based DOA estimation method is proposed by incorporating a new cost function to construct the graph spatial spectrum. By per-forming the graph Fourier transform on the received signals that are represented with a weighted directed graph, the graph frequency spectrum are obtained and analyzed, from which a cost function is developed allowing efficient graph spatial spectrum construction. Then, the DOA is estimated by searching for peaks in the constructed graph spatial spectrum. Simulation results demonstrate improved estimation accuracy and efficiency compared to existing GSP-based DOA methods.
AB - Existing graph signal processing (GSP) based direction-of-arrival (DOA) estimation methods suffer from high computational complexity due to the way of graph spatial spectrum construction. In this paper, an efficient GSP-based DOA estimation method is proposed by incorporating a new cost function to construct the graph spatial spectrum. By per-forming the graph Fourier transform on the received signals that are represented with a weighted directed graph, the graph frequency spectrum are obtained and analyzed, from which a cost function is developed allowing efficient graph spatial spectrum construction. Then, the DOA is estimated by searching for peaks in the constructed graph spatial spectrum. Simulation results demonstrate improved estimation accuracy and efficiency compared to existing GSP-based DOA methods.
KW - DOA estimation
KW - Graph Fourier transform
KW - Graph signal processing
KW - Graph spatial spectrum
UR - http://www.scopus.com/inward/record.url?scp=85207658473&partnerID=8YFLogxK
U2 - 10.1109/ICCCWorkshops62562.2024.10693740
DO - 10.1109/ICCCWorkshops62562.2024.10693740
M3 - Conference article published in proceeding or book
AN - SCOPUS:85207658473
T3 - International Conference on Communications in China, ICCC Workshops 2024
SP - 413
EP - 417
BT - International Conference on Communications in China, ICCC Workshops 2024
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2024 IEEE/CIC International Conference on Communications in China, ICCC Workshops 2024
Y2 - 7 August 2024 through 9 August 2024
ER -