Abstract
The present invention provides a method of transmitting a channel quality indicator (CQI) in a wireless communication system. The method performed by a user equipment supporting a relatively shorter transmission time interval (S-TTI) than a legacy transmission time interval (L-TTI) includes determining predefined control channel-related overhead depending on whether S-TTI-based communication is performed and transmitting the CQI based on the determined predefined control channel-related overhead. If the S-TTI-based communication is performed, the predefined control channel-related overhead is identically determined between an S-TTI including a legacy physical downlink control channel (PDCCH) region and a S-TTI not including a legacy PDCCH region.
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US10389505B2 | 4G | 17/12/2018 | ISLD-201812-018 | LG | Yes | Basis Patent | ||||
US10389505B2 | 5G | 14/10/2019 | ISLD-201910-024 | LG |
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US2019036671A1 | 4G | 17/12/2018 | ISLD-201812-018 | LG | Yes | Basis Patent | ||||
US2019036671A1 | 5G | 14/10/2019 | ISLD-201910-024 | LG |
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WO2018208053A1 | 4G | 17/12/2018 | ISLD-201812-018 | LG | Yes | Family Member | ||||
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Technologies
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Use Cases
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Claim
1. A method of reporting channel state information (CSI) in a wireless communication system, the method performed by a user equipment (UE), the method comprising:
receiving, in a specific subframe among a plurality of subframes, downlink control information (DCI) related to an short transmission timer interval (S-TTI); and
reporting the CSI based on the DCI set to trigger a report for the CSI,
wherein the CSI is reported based on a transmission mode for the specific subframe in which the DCI is received.
2. The method of claim 1, wherein the UE supports both the S-TTI and a legacy transmission time interval (L-TTI).
3. The method of claim 2, wherein the L-TTI is 1 ms, and the S-TTI is shorter than the L-TTI.
4. The method of claim 1, wherein a type of the specific subframe in which the DCI is received is one of a multicast broadcast single frequency network (MBSFN) subframe type or (a non-MBSFN (NMBSFN) subframe type.
5. The method of claim 4, wherein based on the type of the specific subframe in which the DCI is received being the MBSFN subframe type, the transmission mode is a first transmission mode, and
based on the type of the specific subframe in which the DCI is received being the NMBSFN subframe type, the transmission mode is a second transmission mode different from the first transmission mode.
6. A user equipment (UE) configured to operate in a wireless communication systems, the UE comprising:
a transceiver
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising:
controlling the transceiver to receive, in a specific subframe among a plurality of subframes, downlink control information (DCI) related to an short transmission timer interval (S-TTI); and
controlling the transceiver to report channel state information (CSI) based on the DCI set to trigger a report for the CSI,
wherein the CSI is reported based on a transmission mode for the specific subframe in which the DCI is received.
7. The UE of claim 6, wherein the UE supports both the S-TTI and a legacy transmission time interval (L-TTI).
8. The UE of claim 7, wherein the L-TTI is 1 ms, and the S-TTI is shorter than the L-TTI.
9. The UE of claim 6, wherein a type of the specific subframe in which the DCI is received is one of a multicast broadcast single frequency network (MBSFN) subframe type or (a non-MBSFN (NMBSFN) subframe type.
10. The UE of claim 9, wherein based on the type of the specific subframe in which the DCI is received being the MBSFN subframe type, the transmission mode is a first transmission mode, and
based on the type of the specific subframe in which the DCI is received being the NMBSFN subframe type, the transmission mode is a second transmission mode different from the first transmission mode.
11. An apparatus configured to control a user equipment (UE) to operate in a wireless communication system, the apparatus comprising:
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising:
receiving, in a specific subframe among a plurality of subframes, downlink control information (DCI) related to an short transmission timer interval (S-TTI); and
reporting channel state information (CSI) based on the DCI set to trigger a report for the CSI,
wherein the CSI is reported based on a transmission mode for the specific subframe in which the DCI is received.
12. The apparatus of claim 11, wherein the UE supports both the S-TTI and a legacy transmission time interval (L-TTI).
13. The apparatus of claim 12, wherein the L-TTI is 1 ms, and the S-TTI is shorter than the L-TTI.
14. The apparatus of claim 11, wherein a type of the specific subframe in which the DCI is received is one of a multicast broadcast single frequency network (MBSFN) subframe type or (a non-MBSFN (NMBSFN) subframe type.
15. The apparatus of claim 14, wherein based on the type of the specific subframe in which the DCI is received being the MBSFN subframe type, the transmission mode is a first transmission mode, and
based on the type of the specific subframe in which the DCI is received being the NMBSFN subframe type, the transmission mode is a second transmission mode different from the first transmission mode.
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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:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.