Data buffer structure for physical and transport channels in...

Details Data buffer structure for physical and transport channels in... Data buffer structure for physical and transport channels in...

H - Electricity

04

J

H04J 13/00 (2011.01)

Patent

CA 2424257

A buffer structure for storing symbols received via a number of (e.g., physical or transport) channels. Each channel is associated with a particular time interval (e.g., a radio frame period or a transmission time interval (TTI)) over which the received symbols are processed (e.g., interleaved). The buffer structure includes a buffer and an address generator. The buffer is partitioned into a number of sections. One section is assigned to each channel being processed. Each section can be operated as a circular buffer. The address generator provides addresses for writing symbols to the assigned sections. If the buffer structure is used for the transport channels, the sections can be assigned to the transport channels based on the associated TTIs (e.g., in descending order of TTIs). For each coded composite transport channel (CCTrCH), the transport channels in the CCTrCH can be assigned to sections defined starting from a respective initial location (e.g., the top or bottom of the buffer) and continuing along a respective direction of the buffer (e.g., downward or upward).

L'invention concerne une structure tampon pour l'enregistrement des symboles reçus via un certain nombre de canaux (par exemple, physiques ou de transport). Chaque canal est associé à un intervalle de temps particulier (par exemple, intervalle de trame radioélectrique ou intervalle de temps de transmission (TTI)) durant lequel les symboles reçus sont traités (par exemple, entrelacement). La structure comprend un tampon et un générateur d'adresse. Le tampon est divisé en sections. Une section est attribuée à chaque canal en traitement. Chaque section peut tenir lieu de tampon circulaire. Le générateur d'adresse fournit des adresses pour l'élaboration de symboles à l'intention des sections attribuées. Si la structure est utilisée pour les canaux de transport, il est possible d'attribuer les signaux aux canaux de transport sur la base des TTI associés (par exemple, en ordre décroissant). Pour chaque canal de transport composite codé (CCTrCH), les canaux de transport du CCTrCH peuvent être attribués à des sections définies à partir d'un emplacement initial respectif (par exemple, partie supérieure ou inférieure du tampon) et en continuant selon une direction respective du tampon (par exemple, vers le bas ou vers le haut) .

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