Abstract
In the 4-antenna system, a method in which a UE efficiently performs precoding on an uplink signal and transmits the signal, and a technique in which the base station efficiently receives the transmitted signal will be described. The four antennas of the UE can be grouped into two, and the precoding using the antenna selection / DFT matrix for each antenna group can be performed in consideration of the antenna group. In addition, it is possible to configure a precoding matrix of a rank 3 codebook considering a power balance for each antenna and a precoding matrix including only one non-zero component in one row to maintain a good CM characteristic.
Codebook, Precoding, 4Tx, X-pol, CM
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| 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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| 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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