Abstract
PURPOSE: An uplink precoding method In a 4 Tx system is provided to properly maintain PAPR(Peak-to-Average Ratio)/CM(Cubic Metric) characteristic in uplink signal transmission by performing transmission control per antenna group. CONSTITUTION: A terminal obtains transmission rank information, and selects one precoding matrix corresponding to a transmission rank from a codebook for 4 antennas. In addition, the terminal performs the precoding for a layer signal corresponding to the transmission rank and transmits a precoded signal to a base station. The 4 antennas are classified into first and second antenna groups.
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 07/08/2011 | ISLD-201108-003 | LG | No | Family Member | ||||
| 4G | 07/08/2011 | ISLD-201108-003 | LG | Yes | Basis Patent | ||||
| Not Available | 16/09/2012 | ISLD-201209-003 | LG | No | Family Member | ||||
| Not Available | 16/09/2012 | ISLD-201209-003 | LG | Yes | Basis Patent | ||||
| Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Basis Patent | ||||
| Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Family Member | ||||
| 5G | 20/10/2018 | ISLD-201810-045 | LG | Yes | Family Member | ||||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
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| KR101644433B1 | 4G | 07/08/2011 | ISLD-201108-003 | LG | No | Family Member | ||||
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| KR101644433B1 | Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Basis Patent | ||||
| KR101644433B1 | Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Family Member | ||||
| KR101644433B1 | 5G | 20/10/2018 | ISLD-201810-045 | LG | Yes | Family Member | ||||
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| US2010208838A1 | Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Family Member | ||||
| US2010208838A1 | 5G | 20/10/2018 | ISLD-201810-045 | LG | Yes | Family Member | ||||
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| WO2010093179A2 | Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Family Member | ||||
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| EP2396905B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Data processing
Claim
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