Multi-tiered quantization of channel state information in...

Details Multi-tiered quantization of channel state information in... Multi-tiered quantization of channel state information in...

H - Electricity

04

B

H04B 17/00 (2006.01) H03M 13/01 (2006.01) H04B 7/005 (2006.01) H04B 7/04 (2006.01) H04L 1/20 (2006.01)

Patent

CA 2698370

A multi-tiered CSI vector quantizer (VQ) is provided for time-correlated channels. The VQ operates by quantizing channel state information by reference to both the current channel state information and a prior channel state quantization. A system is also provided that uses multi-tiered CSI quantizers. Enhanced signaling between the transmitter and receivers is provided in order to facilitate the use of multi-tiered CSI quantizers.

La présente invention porte sur un quantificateur vectoriel (QV) des informations d'état du canal (IEC) à plusieurs niveaux qui est utilisé pour les canaux à corrélation temporelle. Le QV procède à la quantification des informations d'état du canal par référence aux informations d'état du canal et à la quantification d'état du canal antérieure. Cette invention concerne également un système qui fait appel à des quantificateurs IEC à plusieurs niveaux. Une signalisation améliorée entre l'émetteur et les récepteurs est assurée pour faciliter ainsi l'utilisation de quantificateurs IEC à plusieurs niveaux.

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