Method for transmitting and receiving reference signal for radio link monitoring in unlicensed band and device therefor
AssigneeLG Electronics Inc.
InventorsSukhyon Yoon, Seonwook Kim, Joonkui Ahn, Kijun Kim
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Abstract
The present invention discloses a method for a base station to transmit a radio link monitoring-reference signal (RLM-RS) in an unlicensed band. In particular, the method may divide a frequency band for the RLM-RS into a plurality of sub-bands, perform a channel clearance assessment (CCA) for each of the plurality of sub-bands, and transmit the RLM-RS via each of the plurality of sub-bands on the basis of the result of performing the CCA.
Claims9
A method for receiving a Channel State Information-reference signal (CSI-RS) by a user equipment (UE) in wireless communication system, the method comprising:
- receiving information for receiving the CSI-RS in a plurality of frequency bands;
- confirming whether each of the plurality of frequency bands is available;
- and
- receiving, in the plurality of frequency bands, the CSI-RS based on all of the plurality of frequency bands being confirmed to be available,
- wherein the CSI-RS is not received based on any frequency band, from the plurality of frequency bands, being confirmed to be not available, and
- wherein, based on (i) the any frequency band being confirmed to be not available in a first time resource and (ii) the all of the plurality of frequency bands being confirmed to be available in a second time resource after the first time resource:
- CSI-RS is received in the second time resource.
A user equipment (UE) for receiving a Channel State Information-reference signal (CSI-RS) in wireless communication system, the UE comprising:
- at least one 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:
- receiving, through the at least one transceiver, information for receiving the CSI-RS in a plurality of frequency bands;
- confirming whether each of the plurality of frequency bands is available;
- and
- receiving, through the at least one transceiver in the plurality of frequency bands, the CSI-RS based on all of the plurality of frequency bands being confirmed to be available,
- wherein the CSI-RS is not received based on any frequency band, from the plurality of frequency bands, being confirmed to be not available, and
- wherein, based on (i) the any frequency band being confirmed to be not available in a first time resource and (ii) the all of the plurality of frequency bands being confirmed to be available in a second time resource after the first time resource:
- CSI-RS is received in the second time resource.
An apparatus for receiving a Channel State Information-reference signal (CSI-RS) in 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 information for receiving the CSI-RS in a plurality of frequency bands;
- confirming whether each of the plurality of frequency bands is available;
- and
- receiving, in the plurality of frequency bands, the CSI-RS based on all of the plurality of frequency bands being confirmed to be available,
- wherein the CSI-RS is not received based on any frequency band, from the plurality of frequency bands, being confirmed to be not available, and
- wherein, based on (i) the any frequency band being confirmed to be not available in a first time resource and (ii) the all of the plurality of frequency bands being confirmed to be available in a second time resource after the first time resource:
- CSI-RS is received in the second time resource.
Dependencies are inferred from the claim text.