Uplink pilot multiplexing in su-mimo and sdma for sc-fdma...

H - Electricity – 04 – L

Patent

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H04L 27/26 (2006.01)

Patent

CA 2663258

Systems and methodologies are described that facilitate adaptive uplink pilot multiplexing schemes. In various embodiments, frequency position and pilot channel bandwidth can be adaptively varied in a block over time based on the uplink channel data, such as the number of streams to be multiplexed. Thus, the provided adaptive uplink pilot multiplexing schemes provide flexible uplink pilot allocation schemes while maintaining single carrier waveform for improved transmit power efficiency and orthogonality of pilots within blocks for improve channel estimation and suppression of interference.

L'invention concerne des systèmes et des méthodologies qui facilitent des schémas de multiplexage pilote en liaison montante adaptatifs. Dans diverses modes de réalisation, la position de fréquence et la largeur de bande de canal pilote peuvent être modifiées de manière adaptative dans un bloc au cours du temps sur la base des données de canal de liaison montante, telles que le nombre de flux à multiplexer. Ainsi, les schémas de multiplexage pilote en liaison montant adaptatif fournissent des schémas souples d'attribution de pilote de liaison montante tout en maintenant une seule forme d'onde porteuse simple pour une efficacité de puissance de transmission améliorée, et une orthogonalité des pilotes dans des blocs, pour améliorer l'évaluation de canal et la suppression d'interférence.

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