Rate Splitting for Multi-Group Multicasting With a Common Message

Yalcin, Ahmet Zahid
Yüksel Turgut, Ayşe Melda
Clerckx, Bruno
In this letter, precoding for max-min fairness (MMF) for multi-group multicasting with a common message is studied. The MMF problem is converted into a weighted mean square error minimization problem. A rate-splitting solution is proposed. In rate-splitting, multicast messages for each group are divided into private and common parts, and these common parts, together with the original common message are combined as a super common message. This super common message is superposed on or concatenated to the private multicast data vector, or it is transmitted via a mixed scheme. Simulations show that RS demonstrates significant gains especially in overloaded systems.


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Citation Formats
A. Z. Yalcin, A. M. Yüksel Turgut, and B. Clerckx, “Rate Splitting for Multi-Group Multicasting With a Common Message,” IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol. 69, no. 10, pp. 12281–12285, 2020, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/96657.