Abstract
Certain aspects of the present disclosure provide methods and apparatus for linear precoding in full-dimensional MIMO (FD-MIMO) systems. According to aspects, an eNB may compress a larger number of antenna elements to a smaller number of antenna ports. The eNB may use a port precoding matrix to transmit reference signals to a UE, receive feedback regarding CSI based on the reference signals, and transmit data to the UE, based on a mapping of multiple data layers and mapping of antenna ports to the physical antenna elements. Further, aspects include performing elevation beamforming by dynamically forming one or more vertical sectors based on UE feedback in the elevation domain.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 09/03/2016 | ISLD-201606-001 | QUALCOMM INC | Yes | Basis Patent | ||||
| 5G | 15/03/2018 | ISLD-201806-030 | QUALCOMM INC | Yes | Basis Patent | ||||
| 5G | 24/06/2020 | ISLD-202006-044 | QUALCOMM INC |
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Specification Information
Specification Information
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Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| EP3005599A1 | 4G | 09/03/2016 | ISLD-201606-001 | QUALCOMM INC | Yes | Family Member | ||||
| EP3005599A1 | 5G | 15/03/2018 | ISLD-201806-030 | QUALCOMM INC | No | Family Member | ||||
| EP3005599A1 | 5G | 24/06/2020 | ISLD-202006-044 | QUALCOMM INC |
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No | Family Member | |||
| EP3005599A4 | 4G | 09/03/2016 | ISLD-201606-001 | QUALCOMM INC | Yes | Family Member | ||||
| EP3005599A4 | 5G | 15/03/2018 | ISLD-201806-030 | QUALCOMM INC | No | Family Member | ||||
| EP3005599A4 | 5G | 24/06/2020 | ISLD-202006-044 | QUALCOMM INC |
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No | Family Member | |||
| WO2014190903A1 | 4G | 09/03/2016 | ISLD-201606-001 | QUALCOMM INC | No | Family Member | ||||
| WO2014190903A1 | 5G | 15/03/2018 | ISLD-201806-030 | QUALCOMM INC | No | Family Member | ||||
| WO2014190903A1 | 5G | 24/06/2020 | ISLD-202006-044 | QUALCOMM INC |
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No | Family Member | |||
| JP2016524405A | 4G | 09/03/2016 | ISLD-201606-001 | QUALCOMM INC | No | Family Member | ||||
| JP2016524405A | 5G | 15/03/2018 | ISLD-201806-030 | QUALCOMM INC | No | Family Member | ||||
| JP2016524405A | 5G | 24/06/2020 | ISLD-202006-044 | QUALCOMM INC |
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No | Family Member | |||
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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.