Base station apparatus and communication control method

Details Base station apparatus and communication control method Base station apparatus and communication control method

H - Electricity

04

W

H04W 72/00 (2009.01) H04W 24/10 (2009.01)

Patent

CA 2685462

A base station device which performs communication by transmitting an L1/L2 control channel to a user device can use a combination of a modulation method and a channel encoding method including a plurality of types of encoding ratios. The user device reports downlink feedback information. The base station device includes: means for collecting the downlink feedback information; means for calculating a statistic amount according to the collected feedback information; means for judging whether the cell covered by the local base station device is an isolated cell or a cellular cell according to the obtained statistic amount; and means for setting a combination of a modulation method and a channel encoding method to be applied to the L1/L2 control channel according to the judgment result.

L'invention concerne un dispositif de station de base établissant une communication en transmettant un canal de commande L1/L2 à un dispositif utilisateur qui peut utiliser une combinaison d'un procédé de modulation et d'un procédé de codage de canal incluant plusieurs types de rapports de codage. Le dispositif utilisateur rend compte des informations de rétroaction descendante. Le dispositif de station de base inclut : des moyens permettant de collecter les informations de rétroaction descendante ; des moyens permettant de calculer un montant statistique conformément aux information de rétroaction collectées ; des moyens permettant d'évaluer si la cellule couverte par le dispositif de station de base local est une cellule isolée ou une cellule cellulaire conformément au montant statistique obtenu ; et des moyens pour établir une combinaison d'un procédé de modulation et d'un procédé de codage de canal destinée à être appliquée au canal de commande L1/L2 conformément au résultat d'évaluation.

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