Abstract
PROBLEM TO BE SOLVED: To provide a radio communication system capable of feeding back channel quality information suitable for transmission forms from a plurality of transmission points a base station device a user terminal and a channel state information measuring method.
SOLUTION: A radio communication system includes: a base station device equipped with a deciding portion for deciding resource information on a resource assigning a reference signal for estimating a desired signal and a resource for estimating an interference signal and a reporting portion for reporting the resource information to a user terminal; and the user terminal equipped with a receiving portion for receiving the reported resource information an estimating portion for estimating the desired signal and the interference signal on the basis of the resource information; and a measuring portion for measuring a channel state by using an estimation result of the estimating portion.
| 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 | Basis Patent | ||||
| 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Basis Patent | ||||
Specification Information
Specification Information
Technologies
Family Information
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| JP5526165B2 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| JP5526165B2 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| JP5526165B2 | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| JP5526165B2 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Basis Patent | ||||
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Yes | Family Member | |||
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| WO2013115258A1 | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| WO2013115258A1 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
| CA2862094A1 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | No | Family Member | ||||
| CA2862094A1 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| CA2862094A1 | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| CA2862094A1 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
| CN104509189A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC | No | Family Member | ||||
| CN104509189A | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| CN104509189A | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| CN104509189A | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
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| EP2811798A1 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
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| EP2811798A4 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| EP2811798A4 | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| EP2811798A4 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
| KR20140130667A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC |
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No | Family Member | |||
| KR20140130667A | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| KR20140130667A | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| KR20140130667A | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
| US2014369224A1 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC |
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No | Family Member | |||
| US2014369224A1 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| US2014369224A1 | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | Yes | Basis Patent | ||||
| US2014369224A1 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
| RU2014132831A | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC |
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No | Family Member | |||
| RU2014132831A | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| RU2014132831A | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| RU2014132831A | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
| RU2613338C2 | 4G | 03/03/2014 | ISLD-201401-012 | NTT DOCOMO INC |
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No | Family Member | |||
| RU2613338C2 | 4G | 16/06/2019 | ISLD-201906-021 | NTT DOCOMO INC | No | Family Member | ||||
| RU2613338C2 | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| RU2613338C2 | 5G | 31/07/2019 | ISLD-201907-041 | NTT DOCOMO INC | Yes | Family Member | ||||
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| ES2763543T3 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| PT2811798T | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
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Technologies
Resource configuration
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.