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The European IST project C-MOBILE aims at enhancing the Multimedia Broadcast/Multicast Service (MBMS) support in 3G and beyond-3G systems at radio access and core network level. This paper gives an overview of promising candidate concepts for MBMS improvements on RAN (Radio Access Network) level, and for each concept provides a short summary of the main outcomes. Companion papers as referenced throughout the paper explain the considered concepts in more detail. To foster improved MBMS operation, C-MOBILE has been analyzing multi-resolution schemes based on hierarchical modulation, Single Frequency Network (SFN) operation together with advanced receivers, novel algorithms for mobility-aware point-to-point/ point-to-multipoint switching, dynamic scheduling with feedback support, and adaptive relaying for MBMS.
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