Abstract
A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member |
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EP2536058A1 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | Yes | Basis Patent | ||||
EP2536058A1 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | Yes | Basis Patent | ||||
EP2536058A1 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | Yes | Basis Patent | ||||
EP2536058A4 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | Yes | Basis Patent | ||||
EP2536058A4 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | Yes | Basis Patent | ||||
EP2536058A4 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | Yes | Basis Patent | ||||
CN102158263A | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
CN102158263A | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
CN102158263A | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
CN102158263B | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
CN102158263B | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
CN102158263B | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
JP2013520047A | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
JP2013520047A | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
JP2013520047A | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
JP5534039B2 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
JP5534039B2 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
JP5534039B2 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
US9007995B2 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
US9007995B2 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
US9007995B2 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
WO2011098015A1 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
WO2011098015A1 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
WO2011098015A1 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
JP2014171241A | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
JP2014171241A | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
JP2014171241A | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
US2015200719A1 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
US2015200719A1 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
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US9490888B2 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
US9490888B2 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
US9490888B2 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
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CN105337648A | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
US2016119049A1 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
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US9847825B2 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
US9847825B2 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
US9847825B2 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
EP2536058B1 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | Yes | Basis Patent | ||||
EP2536058B1 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | Yes | Basis Patent | ||||
EP2536058B1 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | Yes | Basis Patent | ||||
CN105337648B | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
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