FPGA-Based Experimental Analysis of Fixed-Point Precision Impact on SOP Estimation in Coherent Communications Receivers
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
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| _version_ | 1866911692111216640 |
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| author | Gomes, Geraldo Vieira, Rafael Kbashi, Hani Donodin, Aleksandr Saxena, Shekhar Sygletos, Stylianos Phillips, Ian Prilepsky, Jaroslaw E. Mazur, Mikael Turitsyn, Sergei K. Freire, Pedro |
| author_facet | Gomes, Geraldo Vieira, Rafael Kbashi, Hani Donodin, Aleksandr Saxena, Shekhar Sygletos, Stylianos Phillips, Ian Prilepsky, Jaroslaw E. Mazur, Mikael Turitsyn, Sergei K. Freire, Pedro |
| contents | We experimentally evaluated the sensing-communication trade-off from the fixed-point precision MIMO equalizer using FPGA. At 7-bit, noise floor drops 100x and angular error 63%, but the communication performance saturates while the hardware complexity rises. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_17521 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | FPGA-Based Experimental Analysis of Fixed-Point Precision Impact on SOP Estimation in Coherent Communications Receivers Gomes, Geraldo Vieira, Rafael Kbashi, Hani Donodin, Aleksandr Saxena, Shekhar Sygletos, Stylianos Phillips, Ian Prilepsky, Jaroslaw E. Mazur, Mikael Turitsyn, Sergei K. Freire, Pedro Signal Processing We experimentally evaluated the sensing-communication trade-off from the fixed-point precision MIMO equalizer using FPGA. At 7-bit, noise floor drops 100x and angular error 63%, but the communication performance saturates while the hardware complexity rises. |
| title | FPGA-Based Experimental Analysis of Fixed-Point Precision Impact on SOP Estimation in Coherent Communications Receivers |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2605.17521 |