Scalability and Implementation Aspects of Cell-Free Massive MIMO for ISAC
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916279200251904 |
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| author | Buzzi, Stefano D'Andrea, Carmen Liesegang, Sergi |
| author_facet | Buzzi, Stefano D'Andrea, Carmen Liesegang, Sergi |
| contents | This paper addresses the problem of scalability for a cell-free massive MIMO (CF-mMIMO) system that performs integrated sensing and communications (ISAC). Specifically, the case where a large number of access points (APs) are deployed to perform simultaneous communication with mobile users and monitoring of the surrounding environment in the same time-frequency slot is considered, and a target-centric approach on top of the user-centric architecture used for communication services is introduced. In the paper, other practical aspects such as the fronthaul load and scanning protocol are also considered. The proposed scalable ISAC-enabled CF-mMIMO network has lower levels of system complexity, permits managing the scenario in which multiple targets are to be tracked/sensed by the APs, and achieves performance levels superior or, in some cases, close to those of the non-scalable solutions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_14874 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Scalability and Implementation Aspects of Cell-Free Massive MIMO for ISAC Buzzi, Stefano D'Andrea, Carmen Liesegang, Sergi Information Theory Signal Processing This paper addresses the problem of scalability for a cell-free massive MIMO (CF-mMIMO) system that performs integrated sensing and communications (ISAC). Specifically, the case where a large number of access points (APs) are deployed to perform simultaneous communication with mobile users and monitoring of the surrounding environment in the same time-frequency slot is considered, and a target-centric approach on top of the user-centric architecture used for communication services is introduced. In the paper, other practical aspects such as the fronthaul load and scanning protocol are also considered. The proposed scalable ISAC-enabled CF-mMIMO network has lower levels of system complexity, permits managing the scenario in which multiple targets are to be tracked/sensed by the APs, and achieves performance levels superior or, in some cases, close to those of the non-scalable solutions. |
| title | Scalability and Implementation Aspects of Cell-Free Massive MIMO for ISAC |
| topic | Information Theory Signal Processing |
| url | https://arxiv.org/abs/2404.14874 |