Abstract
The present invention appropriately transmits and receives a CSI-RS even if there is an increased number of CSI-RSs resulting from an increase in antennas. A base station device (20) transmits CSI-RSs to a mobile terminal device (10A) that can receive CSI-RSs for measuring channel states from a plurality of antennas and to a mobile terminal device (10B) that can receive CSI-RSs from fewer antennas than the mobile terminal device. The base station device (20) is provided with: a CSI-RS allocation unit (211) that allocates the CSI-RSs from the number of antennas corresponding to the mobile terminal device (10A) to wireless resources; and a transceiver that reports to the mobile terminal device (10A) the resources to which the CSI-RSs are allocated and reports to the mobile terminal device (10B) some resources as muted resources when reporting the resources to which the CSI-RSs are allocated.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| JP2012169821A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| JP2012169821A | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| JP5092026B2 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| JP5092026B2 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| CN103370977A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| CN103370977A | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| EP2677828A1 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| EP2677828A1 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| EP2677828A4 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| EP2677828A4 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| MX2013009312A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| MX2013009312A | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| TWI458283B | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| TWI458283B | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| US2013336150A1 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| US2013336150A1 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| US9258825B2 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| US9258825B2 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| WO2012111623A1 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Family Member | ||||
| WO2012111623A1 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| KR20140012071A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | No | Family Member | ||||
| BR112013020649A2 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | No | Family Member | ||||
| CN107070614A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | No | Family Member | ||||
| CN107070614B | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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S1
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Technologies
Resource configuration
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Channel Quality Measurement/Estimation
Claim
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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.