Abstract
The invention provides a code book-based channel information feedback method, code book-based channel information feedback equipment and a code book-based channel information feedback system. The code book-based channel information feedback method comprises the following steps of: measuring parameters of a downlink channel between a terminal and a base station of the communication system by using a terminal in a communication system; selecting a plurality of precoding matrixes which can be used for a single-user multiple input multiple output transmission way and a multi-user multiple input multiple output transmission way from a precoding code book by utilizing the parameters of the downlink channel, wherein the precoding code book is a set of the precoding matrixes; and feeding first information for indicating the plurality of precoding matrixes back to the base station.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| 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 | ||||
Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| 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 | ||||
| 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 | ||||
| US2012300656A1 | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
| US2012300656A1 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| US2012300656A1 | 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 | ||||
| US2015200719A1 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| 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 | ||||
| CN105337648A | 4G | 22/04/2014 | ISLD-201404-004 | SONY CORP | No | Family Member | ||||
| CN105337648A | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| 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 | ||||
| US2016119049A1 | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| US2016119049A1 | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| 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 | ||||
| CN105337648B | 4G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| CN105337648B | 5G | 29/07/2021 | ISLD-202106-034 | SONY CORP | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Multiple-Input Multiple-Output(MIMO)/Massive MIMO Feedback
Product
Use Cases
Wireless communication
Services
Claim
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.