Abstract
A method and apparatus for transmitting a downlink reference signal in a wireless communication system supporting multiple antennas are discussed. A method for transmitting Channel State Information-Reference Signals (CSI-RSs) for eight or less antenna ports includes selecting one of a plurality of CSI-RS Resource Element (RE) groups defined on a data region of a downlink subframe and mapping CSI-RSs for the eight or less antenna ports to the selected CSI-RS RE group and transmitting the downlink subframe in which the CSI-RSs for the eight or less antenna ports are mapped.
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| Not Available | 22/10/2012 | ISLD-201209-015 | LG | No | Family Member | ||||
| 4G | 12/10/2014 | ISLD-201410-024 | LG | No | Family Member | ||||
| 4G | 01/12/2016 | ISLD-201612-004 | LG |
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Yes | Family Member | |||
| 4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
| 5G | 09/10/2018 | ISLD-201810-022 | LG | No | Family Member | ||||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
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| US2011194551A1 | Not Available | 22/10/2012 | ISLD-201209-015 | LG | Yes | Family Member | ||||
| US2011194551A1 | 4G | 12/10/2014 | ISLD-201410-024 | LG | Yes | Family Member | ||||
| US2011194551A1 | 4G | 01/12/2016 | ISLD-201612-004 | LG |
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Yes | Basis Patent | |||
| US2011194551A1 | 4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
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Yes | Basis Patent | |||
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Yes | Family Member | |||
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Yes | Family Member | |||
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| US2013286880A1 | 4G | 12/10/2014 | ISLD-201410-024 | LG | Yes | Family Member | ||||
| US2013286880A1 | 4G | 01/12/2016 | ISLD-201612-004 | LG |
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Yes | Family Member | |||
| US2013286880A1 | 4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
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Yes | Family Member | |||
| US9345034B2 | 4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
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| US9577806B2 | 4G | 12/10/2014 | ISLD-201410-024 | LG | No | Family Member | ||||
| US9577806B2 | 4G | 01/12/2016 | ISLD-201612-004 | LG |
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Yes | Family Member | |||
| US9577806B2 | 4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
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| US2017134134A1 | 4G | 12/10/2014 | ISLD-201410-024 | LG | No | Family Member | ||||
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No | Family Member | |||
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| US2017134134A1 | 5G | 09/10/2018 | ISLD-201810-022 | LG | No | Family Member | ||||
| US9780936B2 | Not Available | 22/10/2012 | ISLD-201209-015 | LG | No | Family Member | ||||
| US9780936B2 | 4G | 12/10/2014 | ISLD-201410-024 | LG | No | Family Member | ||||
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No | Family Member | |||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
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Technologies
Resource configuration Channel State Information – Reference Signal(CSI-RS)
Product
Base Station (eNB/gNB)User Equipment (UE/Terminal)Access point
Use Cases
Wireless communication
Services
Channel Quality Measurement/Estimation
Claim
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