Method and apparatus for dynamic adjustment of uplink...

H - Electricity – 04 – L

Patent

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H04L 1/00 (2006.01)

Patent

CA 2682697

Systems and methods for dynamically adjusting the transmission time interval (TTI) for a communications system are presented. The described aspects provide for dynamically adjusting the TTI in a communication session between a base station or nodeB and a wireless device or user equipment between a shorter TTI, which can provide increased data throughput and lower power consumption, and a longer TTI, which can provide more rugged communication link connections. By dynamically adjusting the TTI, the communications link can be optimized for the given communication channel conditions. Determinations, based on indicia related to the communications system conditions, can be employed in dynamic TTI adjustment. These determinations can be formed centrally at the Radio Network Controller (RNC), at the RNC supplemented with user equipment (UE) available information, or formed in a distributed manner between the RNC and UE across a communications system.

L'invention concerne des systèmes et des procédés pour ajuster de manière dynamique l'intervalle de temps de transmission (TTI) pour un système de communication. Les aspects décrits fournissent un ajustement dynamique du TTI lors d'une session de communication entre une station de base ou nAEud B et un dispositif sans fil ou un équipement d'utilisateur, entre un TTI plus court, qui peut fournir une capacité de traitement de données accrue et une consommation d'énergie inférieure, et un TTI plus long, qui peut fournir des connexions de liaison de communication plus difficiles. En ajustant de manière dynamique le TTI, la liaison de communication peut être optimisée pour les conditions de canal de communication données. Des déterminations, sur la base d'indices liés aux conditions de système de communication, peuvent être utilisées pour un ajustement de TTI dynamique. Ces déterminations peuvent être formées de manière centrale au niveau du contrôleur de réseau radio (RNC), au niveau du RNC complété par des informations disponibles d'équipement d'utilisateur (UE), ou formées de manière répartie entre le RNC et l'UE à travers un système de communication.

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