Slow adaptation of modulation and coding for packet...

Details Slow adaptation of modulation and coding for packet... Slow adaptation of modulation and coding for packet...

H - Electricity

04

L

H04L 1/00 (2006.01) H04L 1/20 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2681149

Systems and methods for performing MCS adaptation are provided. In some cases, the network performs MCS adaptation based on received NACKs. In other cases, the mobile station determines an MCS based on channel quality measurements, and feeds back the MCS adaptation decision to the network. In either case, NACK-only feedback may be implemented to reduce interference.

L'invention concerne des systèmes et des procédés pour réaliser une adaptation de schéma de modulation et de codage (MCS). Dans certains cas le réseau réalise une adaptation MCS sur la base de non acquittements reçus. Dans d'autres cas, la station mobile détermine un MCS sur la base de mesures de qualité de canal, et renvoie la décision d'adaptation MCS au réseau. Dans chaque cas, une rétroaction uniquement par non acquittement peut être mise en AEuvre pour réduire l'interférence.

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