A method and apparatus for uplink scheduling

Details A method and apparatus for uplink scheduling A method and apparatus for uplink scheduling

H - Electricity

04

W

H04W 72/12 (2009.01)

Patent

CA 2387094

The present invention relates to methods for performing uplink scheduling of packet data when using adaptive antennas. In the solution according to the invention the uplink scheduling information is transmitted in an antenna beam towards the mobile for which the scheduling information is intended and by allocating mobile stations with similar position to the same packet data channel. All other data packets are transmitted in an antenna beam towards the mobile station for which the data are intended. By adopting the proposed solution it is possible to efficiently use adaptive antennas in a system carrying e.g. GPRS/EGPRS traffic. The carrier to interference gain introduced by adaptive antennas produces a pronounced increase in system performance.

La présente invention concerne des procédés permettant de réaliser l'ordonnancement montant de données par paquets lors de l'utilisation d'antennes adaptatives. Dans la solution proposée par l'invention, les informations d'ordonnancement montant sont transmises dans un faisceau d'antenne vers la station mobile à laquelle elles sont destinées, attribuant aux stations mobiles ayant une position similaire le même canal de données par paquets. Tous les autres paquets de données sont transmis dans un faisceau d'antenne vers la station mobile à laquelle elles sont destinées. Par l'adoption de la solution proposée, on peut utiliser efficacement les antennes adaptatives dans un système portant, par exemple, les trafics GPRS/EGPRS. Le gain porteuse-brouillage introduit par les antennes adaptatives produit une augmentation prononcée des performances du système.

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