Mapping of subpackets to resources in a communication system

H - Electricity – 04 – L

Patent

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H04L 12/56 (2006.01)

Patent

CA 2672317

Techniques for transmitting data in a communication system are described. A packet may be partitioned into multiple subpackets, and each subpacket may be encoded separately. The subpackets may be mapped to resources assigned for transmission of the packet, with at least one subpacket being mapped to a subset of the assigned resources. The assigned resources may include multiple tiles, with each tile corresponding to a block of time frequency resources. The subpackets may be mapped to the tiles such that (i) the subpackets are mapped to equal number of tiles to achieve similar decoding performance, (ii) each subpacket is mapped to at least NMIN tiles, if available, to achieve a certain minimum diversity order for the subpacket, and/or (iii) each subpacket is mapped to a subset of the multiple tiles, if possible, so that the subpacket can be decoded without having to demodulate all of the tiles.

L'invention concerne des techniques pour transmettre des données dans un système de communication. Un paquet peut être partitionné en des sous-paquets multiples, et chaque sous-paquet peut être codé séparément. Les sous-paquets peuvent être mappés sur des ressources attribuées pour transmission du paquet, au moins un sous-paquet étant mappé sur un sous-ensemble des ressources attribuées. Les ressources attribuées peuvent comprendre des pavés multiples, chaque pavé correspondant à un bloc de ressources de fréquence de temps. Les sous-paquets peuvent être mappés sur les pavés de manière à ce que (i) les sous-paquets soient mappés sur un nombre égal de pavés pour atteindre une performance de décodage similaire, (ii) chaque sous-paquet soit mappé sur au moins NMIN pavés, si disponible, pour atteindre un certain ordre de diversité minimal pour le sous-paquet, et/ou (iii) chaque sous-paquet soit mappé sur un sous-ensemble pavés multiples, si possible, de façon que le sous-paquet puisse être décodé sans avoir à démoduler tous les pavés.

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