Abstract
PURPOSE: An aperiodic feedback method of channel state information in a wireless access system supporting multi-carrier aggregation is provided to clearly measure channel quality of any DownLink Component Carrier (DL CC) or a serving cell in a multi-carrier aggregation environment. CONSTITUTION: A base station determines the number of DL CCs to be scheduled depending on Quality of Service (QoS) of a terminal, quality of multi-carrier aggregation, and cell load or/and cross carrier scheduling status, and notifies the decision to the terminal (S1010). The base station notifies a DL CC or a serving cell which is a target of feedback through a UL grant or a carrier indicator field included in a Physical Downlink Control Channel (PDCCH) signal (S1020). The terminal identifies one or more than two DL CCs or serving cells which are targets of aperiodic feedback (S1030), and measures the channel quality of the relevant DL CCs (S1040). The terminal reports the channel state information of the measured channel quality of more than one DL CC to the base station using a PUSH signal (S1050). (Reference numerals) (S1010) Higher level (RRC) signaling; (S1020) PDCCH (UL grant, CIF); (S1030) Check DLCCs or serving cells to be a feedback target; (S1040) Measure channel quality; (S1050) Report non-periodic CSI (PUSCH)
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
4G | 02/10/2014 | ISLD-201409-053 | LG |
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4G | 01/12/2016 | ISLD-201611-011 | LG | Yes | Family Member | ||||
4G | 01/03/2017 | ISLD-201702-022 | LG |
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4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
5G | 20/10/2018 | ISLD-201810-050 | LG |
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Specification Information
Specification Information
Technologies
Family Information
All Granted Patents In Patent Family : | ---- |
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EP2600547A1 | 4G | 02/10/2014 | ISLD-201409-053 | LG |
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JP6273341B2 | 4G | 14/11/2017 | ISLD-201805-021 | LG | Yes | Basis Patent | ||||
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US2018076944A1 | 4G | 01/03/2017 | ISLD-201702-022 | LG |
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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.
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