Systems and methods for robust CSI feedback

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12149306
APP PUB NO 20230370127A1
SERIAL NO

18359103

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Abstract

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Systems and methods disclosed herein use channel state information (CSI) reports from a user equipment (UE) having additional CSI beyond CSI directly derived according to a current MIMO configuration between a base station and the UE. In some embodiments, a channel quality indicator (CQI) according to a selected layer of a plurality of layers used to receive the MIMO transmission as determined relative to the MIMO transmission is reported. In some embodiments, a precoding matrix indicator (PMI) according to a selected layer of a plurality of layers useable to receive rank 1 transmissions is reported along with a CQI determined according to that layer, or according to a layer used to receive the MIMO transmission as determined relative to the MIMO transmission. In some embodiments, a base station configures a UE to report more fulsome CSI according to each of a plurality of ranks.

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Patent Owner(s)

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APPLE INCCUPERTINO CA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fakoorian, Seyed Ali Akbar San Diego, US 627 2038
Sun, Haitong Cupertino, US 1076 1919
Yang, Weidong San Diego, US 833 2878
Yao, Chunhai Beijing, CN 541 539
Ye, Chunxuan San Diego, US 866 4243
Ye, Sigen San Diego, US 496 1023
Zeng, Wei Saratoga, US 1309 3748
Zhang, Dawei Saratoga, US 1645 3397
Zhang, Yushu Beijing, CN 1077 4063

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