Waveform Design for ISAC System: A Consensus ADMM Approach
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arXiv
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| Hauptverfasser: | , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866908837686018048 |
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| author | Duong, Ngoc-Son Ta, Huyen-Trang Ngo, Quang-Tang Duong, Thi-Hue Nguyen, Van-Lap Nguyen, Cong-Minh Nguyen, Minh-Tran Dinh, Thai-Mai |
| author_facet | Duong, Ngoc-Son Ta, Huyen-Trang Ngo, Quang-Tang Duong, Thi-Hue Nguyen, Van-Lap Nguyen, Cong-Minh Nguyen, Minh-Tran Dinh, Thai-Mai |
| contents | We study joint transmit-waveform and receive-filter design for a multi-user downlink integrated sensing and communication (ISAC) system under practical constant-modulus and similarity constraints. We cast the design as a unified multi-objective program that balances communication sum rate and sensing signal-to-interference-plus-noise ratio (SINR). To address this, we introduce an efficient algorithm that use consensus alternating direction method of multipliers (ADMM) framework to alternately update the transmit waveform and radar filter. The proposed method effectively handles the non-convex fractional sensing's SINR formulation and ensures fast convergence. Simulation results demonstrate that the proposed approach achieves better trade-offs between communication sum rate and sensing's SINR compared to existing benchmark schemes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_15544 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Waveform Design for ISAC System: A Consensus ADMM Approach Duong, Ngoc-Son Ta, Huyen-Trang Ngo, Quang-Tang Duong, Thi-Hue Nguyen, Van-Lap Nguyen, Cong-Minh Nguyen, Minh-Tran Dinh, Thai-Mai Signal Processing We study joint transmit-waveform and receive-filter design for a multi-user downlink integrated sensing and communication (ISAC) system under practical constant-modulus and similarity constraints. We cast the design as a unified multi-objective program that balances communication sum rate and sensing signal-to-interference-plus-noise ratio (SINR). To address this, we introduce an efficient algorithm that use consensus alternating direction method of multipliers (ADMM) framework to alternately update the transmit waveform and radar filter. The proposed method effectively handles the non-convex fractional sensing's SINR formulation and ensures fast convergence. Simulation results demonstrate that the proposed approach achieves better trade-offs between communication sum rate and sensing's SINR compared to existing benchmark schemes. |
| title | Waveform Design for ISAC System: A Consensus ADMM Approach |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2602.15544 |