Pilot structure with multiplexed unicast and sfn transmissions

H - Electricity – 04 – L

Patent

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H04L 27/26 (2006.01)

Patent

CA 2674421

Systems and methodologies are described that facilitate multiplexing unicast reference symbols and multicast transmissions in the same transmission time interval. In particular, mechanisms are provided that enable multiplexing unicast reference symbols to single frequency network transmissions that utilize a longer cyclic prefix duration. Unicast reference symbols are sent in a first symbol of a slot containing both unicast and single frequency network transmissions. The frequency utilized for the unicast reference symbols is staggered between the first symbol and a subsequent symbol in a sub-frame.

L'invention concerne des systèmes et des méthodologies qui facilitent le multiplexage de symboles de référence de diffusion individuelle et de transmissions multi-diffusion dans le même intervalle de temps de transmission. En particulier, l'invention concerne des mécanismes qui permettent le multiplexage de symboles de référence de diffusion individuelle avec des transmissions réseau monofréquence qui utilisent une durée de préfixe cyclique plus longue. Des symboles de référence de diffusion individuelle sont envoyés dans un premier symbole d'un intervalle contenant des transmissions à diffusion individuelle et réseau monofréquence. La fréquence utilisée pour les symboles de référence de diffusion individuelle est décalée entre le premier symbole et un symbole suivant dans une sous-trame.

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