TY - GEN
T1 - Research on Variance-Based FCME Anti-Jaming Algorithm in Spaceborne OFDM System
AU - Wang, Wei
AU - Huang, Yin
AU - Wu, Zhijie
AU - Liu, Yongqing
AU - Han, Hangcheng
N1 - Publisher Copyright:
© 2022 IEEE.
PY - 2022
Y1 - 2022
N2 - In recent years, Chinese low-orbit satellite communication system has developed rapidly. As a mature waveform transmission technology, OFDM technology is widely used in low-orbit satellite communication systems with the advantages of outstanding resistance to inter-symbol interference, free spectrum and resource allocation, etc. However, for the spaceborne OFDM system, the transmission performance of the system will be seriously affected, whether it is in a civil scenario with unintentional interference or in a complex military confrontation environment with intentional interference. Anti-interference ability is an important factor to ensure the security and stability of the system. Aiming at the problem of narrowband interference in OFDM systems, this paper proposes a variance-based FCME anti-jamming algorithm, which adopts the frequency domain notch structure framework of DFT windowing and overlapping, and uses the variance-based FCME algorithm to detect and notch the interference in the frequency domain. Simulation shows that the algorithm can effectively resist single-tone interference, the bit error rate is lower than 10-6 when EbN0=12dB, and the system performance under narrowband interference can be effectively improved.
AB - In recent years, Chinese low-orbit satellite communication system has developed rapidly. As a mature waveform transmission technology, OFDM technology is widely used in low-orbit satellite communication systems with the advantages of outstanding resistance to inter-symbol interference, free spectrum and resource allocation, etc. However, for the spaceborne OFDM system, the transmission performance of the system will be seriously affected, whether it is in a civil scenario with unintentional interference or in a complex military confrontation environment with intentional interference. Anti-interference ability is an important factor to ensure the security and stability of the system. Aiming at the problem of narrowband interference in OFDM systems, this paper proposes a variance-based FCME anti-jamming algorithm, which adopts the frequency domain notch structure framework of DFT windowing and overlapping, and uses the variance-based FCME algorithm to detect and notch the interference in the frequency domain. Simulation shows that the algorithm can effectively resist single-tone interference, the bit error rate is lower than 10-6 when EbN0=12dB, and the system performance under narrowband interference can be effectively improved.
KW - DFT-s-OFDM system
KW - frequency domain interference detection
KW - frequency domain interference suppression
KW - partial frequency band interference
UR - http://www.scopus.com/inward/record.url?scp=85171770045&partnerID=8YFLogxK
U2 - 10.1109/ICSPS58776.2022.00120
DO - 10.1109/ICSPS58776.2022.00120
M3 - Conference contribution
AN - SCOPUS:85171770045
T3 - Proceedings - 2022 14th International Conference on Signal Processing Systems, ICSPS 2022
SP - 651
EP - 656
BT - Proceedings - 2022 14th International Conference on Signal Processing Systems, ICSPS 2022
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 14th International Conference on Signal Processing Systems, ICSPS 2022
Y2 - 18 November 2022 through 20 November 2022
ER -