Literature Database Entry


Ghadir Dogim, Engy A. Maher, Ahmed El-Mahdy and Falko Dressler, "Joint Active Precoding for RIS-aided Cell-free MIMO Networks," Proceedings of 12th IFIP/IEEE International Conference on Performance Evaluation and Modeling in Wired and Wireless Networks (PEMWN 2023), Berlin, Germany, September 2023, pp. 1–6.


In the future communications, cell-free networks are considered very promising, owing to their robustness against inter-cell interference which degrades the user signal-to-interference-plus-noise-ratio (SINR). For an efficient network to achieve an enhanced capacity at a minimized power consumption, reconfigurable intelligent surfaces (RIS) are promoted as a key candidate 6G technology. In this paper, a joint precoding RIS aided cell-free Multiple-Input-Multiple-Output (MIMO) network is considered, where a weighted sum rate (WSR) maximization problem is formulated and decoupled into subproblems. A feasible solution is then obtained using fractional programming (FP). Finally, the performance of passive RIS and active RIS is then compared.

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Ghadir Dogim
Engy A. Maher
Ahmed El-Mahdy
Falko Dressler

BibTeX reference

    author = {Dogim, Ghadir and Maher, Engy A. and El-Mahdy, Ahmed and Dressler, Falko},
    doi = {10.23919/PEMWN58813.2023.10304912},
    title = {{Joint Active Precoding for RIS-aided Cell-free MIMO Networks}},
    pages = {1--6},
    publisher = {IEEE},
    isbn = {978-3-903176-60-7},
    address = {Berlin, Germany},
    booktitle = {12th IFIP/IEEE International Conference on Performance Evaluation and Modeling in Wired and Wireless Networks (PEMWN 2023)},
    month = {9},
    year = {2023},

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Last modified: 2024-07-21