Citation: | Zhendong LI, Weifeng TAN, Chengbin KANG, Jingshuang CHENG. Research on Anti-interference Ability of Direct Sequence Spread Spectrum System[J]. Journal of Electronics & Information Technology, 2021, 43(1): 116-123. doi: 10.11999/JEIT191007 |
When designing a spread spectrum system, it is sometimes necessary to analyze the anti-interference ability of the system. However, the existing literature on the anti-wideband interference capability and the ability to resist partial frequency band interference of the Direct Sequence Spread Spectrum (DSSS) system are different, and the Bit Error Rate (BER) formulas provided are different, the general BER formula of direct sequence spread spectrum system under wideband interference and partial frequency band interference is given by theoretical derivation. The correctness of the formula is verified by computer simulation. Finally, the performance of the DSSS system with the interference frequency and the interference bandwidth is analyzed using the formula given in this paper.
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