Abstract
PROBLEM TO BE SOLVED: To provide a technique for allowing a terminal of a 4-antenna system to efficiently precode and transmit an uplink signal and a technique for allowing a base station to efficiently receive the signal which is thus transmitted.
SOLUTION: Four antennas of a terminal can be grouped two by two and precoding using an antenna selection/DFT matrix in antenna group units can be performed while such antenna groups are taken into consideration. Further a rank-3 codebook can be configured to include a precoding matrix configured taking electric power balance by antenna into consideration and a precoding matrix including only components except one 0 in one line so as to maintain improved CM characteristics.
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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 | ||||
| Not Available | 16/09/2012 | ISLD-201209-003 | LG | No | Family Member | ||||
| Not Available | 22/10/2012 | ISLD-201209-016 | LG | No | Family Member | ||||
| 5G | 20/10/2018 | ISLD-201810-045 | 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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S1
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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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