Low-Complexity Receiver Design for Affine Filter Bank Modulation
Fuente:
arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866915353160843264 |
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| author | Ranasinghe, Kuranage Roche Rayan Chang, Bruno S. de Abreu, Giuseppe Thadeu Freitas |
| author_facet | Ranasinghe, Kuranage Roche Rayan Chang, Bruno S. de Abreu, Giuseppe Thadeu Freitas |
| contents | We propose a low-complexity receiver structure for the recently introduced Affine Filter Bank Modulation (AFBM) scheme, which is a novel waveform designed for integrated sensing and communications (ISAC) systems operating in doubly-dispersive (DD) channels. The proposed receiver structure is based on the Gaussian Belief Propagation (GaBP) framework, making use of only element-wise scalar operations to perform detection of the transmitted symbols. Simulation results demonstrate that AFBM in conjunction with GaBP outperforms affine frequency division multiplexing (AFDM) in terms of bit error rates (BERs) in DD channels, while achieving very low out-of-band emissions (OOBE) in high-mobility scenarios. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_17010 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Low-Complexity Receiver Design for Affine Filter Bank Modulation Ranasinghe, Kuranage Roche Rayan Chang, Bruno S. de Abreu, Giuseppe Thadeu Freitas Signal Processing We propose a low-complexity receiver structure for the recently introduced Affine Filter Bank Modulation (AFBM) scheme, which is a novel waveform designed for integrated sensing and communications (ISAC) systems operating in doubly-dispersive (DD) channels. The proposed receiver structure is based on the Gaussian Belief Propagation (GaBP) framework, making use of only element-wise scalar operations to perform detection of the transmitted symbols. Simulation results demonstrate that AFBM in conjunction with GaBP outperforms affine frequency division multiplexing (AFDM) in terms of bit error rates (BERs) in DD channels, while achieving very low out-of-band emissions (OOBE) in high-mobility scenarios. |
| title | Low-Complexity Receiver Design for Affine Filter Bank Modulation |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2506.17010 |