Abstract
A method and apparatus for allowing a UE to transmit uplink signals using a MIMO scheme are disclosed. In order to maintain good Peak power to Average Power Ratio (PAPR) or Cubic Metric (CM) properties when the UE transmits uplink signals using the MIMO scheme the UE uses a precoding scheme based on a precoding matrix established in a manner that one layer is transmitted to each antenna in specific rank transmission.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 08/08/2011 | ISLD-201108-003 | LG | No | Family Member | ||||
| Not Available | 17/09/2012 | ISLD-201209-003 | LG |
S1
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No | Family Member | |||
| Not Available | 23/10/2012 | ISLD-201209-016 | LG | No | Family Member | ||||
| 4G | 13/10/2014 | ISLD-201409-038 | LG | No | Family Member | ||||
| 4G | 09/07/2015 | ISLD-201507-019 | LG | No | Family Member | ||||
| 4G | 02/12/2016 | ISLD-201611-014 | LG | Yes | Family Member | ||||
| 5G | 02/10/2018 | ISLD-201810-007 | LG | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||
| EP2159950A1 | 4G | 08/08/2011 | ISLD-201108-003 | LG | Yes | Basis Patent | ||||
| EP2159950A1 | Not Available | 17/09/2012 | ISLD-201209-003 | LG |
S1
|
No | Family Member | |||
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| EP2159950B1 | 4G | 08/08/2011 | ISLD-201108-003 | LG | Yes | Basis Patent | ||||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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| US10236957B2 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
S1
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Technologies
Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Transmitting/receiving data in uplink Data processing
Claim
1. A method for a transmitting device to transmit signals using SC-FDMA MIMO (Single Carrier-Frequency Divisional Multiple Access Multiple Input Multiple Output) scheme, the method comprising:
precoding signals of 2 layers by using a specific precoding matrix P multiplied by a predetermined constant value, wherein the specific precoding matrix P is selected from a Rank 2 codebook consisting of a first type of
[
1
0
X
0
0
1
0
Y
]
,
?a second type of
[
1
0
0
1
X
0
0
Y
]
,
?and a third type of
[
1
0
0
1
0
Y
X
0
]
,
?where
X
,
Y
?
{
1
,
1
+
j
2
,
j
,
1
-
j
2
,
-
1
,
-
1
-
j
2
,
-
j
,
-
1
+
j
2
}
;
?and
transmitting the precoded signals to a receiving device via 4 transmission antennas.
2. The method of claim 1, wherein the specific precoding matrix P multiplied by the predetermined constant value is represented as P?,
P
?
?
{
k
�
[
1
0
X
0
0
1
0
Y
]
,
k
�
[
1
0
0
1
X
0
0
Y
]
,
k
�
[
1
0
0
1
0
Y
X
0
]
}
,
wherein �k� represents the predetermined constant value.
3. The method of claim 1, wherein �X� and �Y� are selected from among {1, j, ?1,?j}.
4. The method of claim 1, wherein a number of precoding matrixes of the Rank 2 codebook is 16.
5. The method of claim 1, wherein the signals are uplink signals, the transmitting device is a user equipment (UE) and the receiving device is a base station (BS).
6. A device for transmitting signals using SC-FDMA MIMO (Single Carrier-Frequency Divisional Multiple Access Multiple Input Multiple Output) scheme, the device comprising:
multiple transmission antennas for transmitting signals;
a memory for storing codebooks of all ranks; and
a processor connected to the multiple transmission antennas and the memory so as to process transmission of the signals,
wherein a Rank 2 codebook among the codebooks stored in the memory consists of a first type of
[
1
0
X
0
0
1
0
Y
]
,
?a second type of
[
1
0
0
1
X
0
0
Y
]
,
?and a third type of
[
1
0
0
1
0
Y
X
0
]
?
?where
X
,
Y
?
{
1
,
1
+
j
2
,
j
,
1
-
j
2
,
-
1
,
-
1
-
j
2
,
-
j
,
-
1
+
j
2
}
.
7. The device of claim 6, wherein the processor is configured to use the precoding matrix P multiplied by a predetermined constant value for precoding the signals.
8. The device of claim 6, wherein �X� and �Y� are selected from among {1, j, ?1,?j}.
9. The device of claim 6, wherein a number of precoding matrixes of the Rank 2 codebook is 16.
10. The device of claim 6, wherein the device is configured to operate as a user equipment (UE) to transmit uplink signals.
Associated Portfolios
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SUMMARY
ClaimChart-US9800309B2
Patent number:US9800309B2
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent
Implicitly disclosed patent
Basis patent
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