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 A Study on Self-Interference Cancellation Algorithms under Jamming Conditions Using a Synchronous Signal-Based Phase-Inverse Modulation Technique 


Vol. 51,  No. 4, pp. 825-828, Apr.  2026
10.7840/kics.2026.51.4.825


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  Abstract

This paper addresses the problem of self-interference (SI) cancellation in Full-duplex (FD) electronic warfare (EW) systems under jamming conditions. When jamming signals overlap with the received channel, errors accumulate during phase, amplitude, and delay estimation, leading to severe degradation in cancellation performance. To address this issue, we investigate gradient-based, non-gradient-based, and decoupled estimation algorithms that employ a synchronous signal-based phase-inverse modulation technique applicable in the analog domain. Simulation results demonstrate that the proposed decoupled estimation method achieves stable and consistent cancellation performance across CW, Multi-CW, and QPSK environments, thereby validating its effectiveness for real-time interference mitigation in FD-based EW systems.

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  Cite this article

[IEEE Style]

H. Kim, B. Kim, S. Kim, D. Kim, S. Jo, J. Ko, C. Chae, "A Study on Self-Interference Cancellation Algorithms under Jamming Conditions Using a Synchronous Signal-Based Phase-Inverse Modulation Technique," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 4, pp. 825-828, 2026. DOI: 10.7840/kics.2026.51.4.825.

[ACM Style]

Hyewon Kim, Bitchan Kim, Sungmin Kim, Doohwan Kim, Sangwang Jo, Jaeheon Ko, and Chan-Byoung Chae. 2026. A Study on Self-Interference Cancellation Algorithms under Jamming Conditions Using a Synchronous Signal-Based Phase-Inverse Modulation Technique. The Journal of Korean Institute of Communications and Information Sciences, 51, 4, (2026), 825-828. DOI: 10.7840/kics.2026.51.4.825.

[KICS Style]

Hyewon Kim, Bitchan Kim, Sungmin Kim, Doohwan Kim, Sangwang Jo, Jaeheon Ko, Chan-Byoung Chae, "A Study on Self-Interference Cancellation Algorithms under Jamming Conditions Using a Synchronous Signal-Based Phase-Inverse Modulation Technique," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 4, pp. 825-828, 4. 2026. (https://doi.org/10.7840/kics.2026.51.4.825)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880