Pinching-Antenna Systems with LoS Blockages
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866918091106025472 |
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| author | Wang, Kaidi Ouyang, Chongjun Liu, Yuanwei Ding, Zhiguo |
| author_facet | Wang, Kaidi Ouyang, Chongjun Liu, Yuanwei Ding, Zhiguo |
| contents | The aim of this letter is to explore the capability of pinching-antenna systems to construct line-of-sight (LoS) links in the presence of LoS blockages. Specifically, pinching antennas are pre-installed at preconfigured positions along waveguides and can be selectively activated to create LoS links for enhancing desired signals and non-line-of-sight (NLoS) links for eliminating inter-user interference. On this basis, a sum-rate maximization problem is formulated by jointly optimizing waveguide assignment and antenna activation. To solve this problem, a matching based algorithm is proposed using two distinct preference designs. Simulation results demonstrate that the considered pinching-antenna system and proposed solutions can dynamically establish LoS links and effectively exploit LoS blockages to mitigate interference, thereby significantly improving system throughput. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_10173 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Pinching-Antenna Systems with LoS Blockages Wang, Kaidi Ouyang, Chongjun Liu, Yuanwei Ding, Zhiguo Signal Processing The aim of this letter is to explore the capability of pinching-antenna systems to construct line-of-sight (LoS) links in the presence of LoS blockages. Specifically, pinching antennas are pre-installed at preconfigured positions along waveguides and can be selectively activated to create LoS links for enhancing desired signals and non-line-of-sight (NLoS) links for eliminating inter-user interference. On this basis, a sum-rate maximization problem is formulated by jointly optimizing waveguide assignment and antenna activation. To solve this problem, a matching based algorithm is proposed using two distinct preference designs. Simulation results demonstrate that the considered pinching-antenna system and proposed solutions can dynamically establish LoS links and effectively exploit LoS blockages to mitigate interference, thereby significantly improving system throughput. |
| title | Pinching-Antenna Systems with LoS Blockages |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2507.10173 |