Scheduling method and apparatus for half-duplex transmission

Details Scheduling method and apparatus for half-duplex transmission Scheduling method and apparatus for half-duplex transmission

H - Electricity

04

L

H04L 12/56 (2006.01) H04W 28/02 (2009.01) H04B 7/212 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2488784

The present invention relates to a method and apparatus for scheduling data for transmission via at least two half-duplex time division multiple access connections, wherein for each connection respective capacities of data portions to a transmission frame are allocated so that the total capacity of all data portions of the transmission frame does not exceed a predetermined capacity for each transmission direction, and that the sum of capacities of data portions of each connection of the transmission frame in both transmission directions does not exceed the predetermined capacity. Then, the transmission timing of the data portions within the transmission frame is set in such a manner that transmission and reception intervals of each connection do not overlap. Accordingly, scheduling can be optimised to meet both QoS and half-duplex requirements.

la présente invention concerne un procédé et un dispositif de programmation de données en vue de leur transmission via au moins deux connexions à accès multiple et division dans le temps à semi-duplex. Pour chaque connexion, des capacités respectives de partie de données sont attribuées à une trame de transmission, ceci de telle sorte que la capacité totale de toutes les parties de données de la trame de transmission ne dépasse pas une capacité prédéterminée pour chaque direction de transmission et que la somme des capacités des portions de données pour la trame de transmission dans les deux direction ne dépasse pas un capacité spécifiée. On fixe ensuite, le calage de transmission des portions de données à l'intérieur de la trame de transmission de telle sorte que les intervalles d'émission et de réception de chaque connexion ne se chevauchent pas. Ainsi, il est possible d'optimiser l'ordonnancement afin de satisfaire les exigences tant de qualité de service et de semi-duplex.

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