A Novel Frequency Domain Narrowband Interference Suppression Algorithm Based on Noncoherent Accumulation
Bingxiang Shen, Xuesen Shi · 2020
This paper proposes a novel narrowband interference suppression algorithm used in the direct sequence spread spectrum system. The proposed algorithm locates interference and forms the notch band based on the spectrum after noncoherent accumulation, which can reduce the impacts of noise on interference detection. Simulation results show that the proposed algorithm can locate interference accurately and have a better bit error rate performance than conventional algorithms, especially when the interference power is close to the anti-interference tolerance of the system.