Method and apparatus for uplink scheduling signaling in a...

H - Electricity – 04 – L

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H04L 12/28 (2006.01)

Patent

CA 2674774

A method and apparatus for efficient uplink scheduling grant and scheduling request signaling for evolved universal terrestrial radio access ( E-UTRA) are disclosed. A wireless transmit/receive unit (103) sends an uplink scheduling request (101) to a Node-B (111) whereby the Node-B sends the uplink scheduling grant (110) in response to the uplink scheduling request. The uplink scheduling request includes a data, buffer occupancy value that indicates the amount of data that needs' to be transmitted in the uplink. The amount of data is quantized to integer factors of the number of bits that may be supported by one RB, and mapped to an index value with N-bit mapping having less than full resolution. The uplink scheduling grant assigns a number of resource blocks to the WTRU for uplink transmission. The number of RBs allocated is mapped to an index value using N-bit mapping having less than full resolution.

La présente invention concerne un procédé et un appareil d'octroi et de requête de planification efficace en liaison ascendante pour accès radio terrestre universel évolué (E-UTRA). Une unité de transmission/réception sans fil (103) envoie une requête de planification en liaison ascendante (101) à un nAEud B (111) ; ce nAEud B (111) envoie l'autorisation de planification en liaison ascendante (110) en réponse à la requête de planification correspondante. Cette requête inclut une donnée, une valeur d'occupation de tampon qui indique la quantité de données à transmettre dans la liaison ascendante. Cette quantité de données est quantifiée en facteurs entiers du nombre de bits qui peuvent être supportés par un RB et mappée en valeur d'indice avec une cartographie N-bits ayant moins que la résolution complète. L'autorisation de planification en liaison ascendante assigne un nombre de blocs de ressources au WTRU pour une transmission en liaison ascendante. Le nombre de RB alloué est mappé sur une valeur d'indice qui utilise un mappage des N-bits ayant moins que la résolution complète.

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