Method and apparatus for receiving downlink signal in wireless communication system
AssigneeLG Electronics Inc.
InventorsInkwon Seo, Hanbyul Seo, Hakseong Kim
Life of this patent
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Abstract
One embodiment of the present invention relates to a method for enabling a terminal to receive a downlink signal through an enhanced physical downlink control channel (EPDCCH), comprising the steps of: decoding fallback downlink control information (DCI) format in an EPDCCH physical resource block set; and receiving a physical downlink shared channel (PDSCH) on the basis of the fallback DCI format, wherein the PDSCH transmission for receiving the PDSCH is determined according to whether the EPDCCH physical resource block set corresponds to localized EPDCCH transmission or distributed EPDCCH transmission.
Claims8
A method for enabling a user equipment to receive a downlink signal through an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, the method comprising:
- decoding a fallback downlink control information (DCI) format in an EPDCCH physical resource block set;
- determining whether the EPDCCH physical resource block set is set to localized EPDCCH transmission or distributed EPDCCH transmission,
- wherein a physical downlink shared channel (PDSCH) transmission scheme for receiving a PDSCH is determined as a single antenna port, when the EPDCCH physical resource block set is determined as the localized EPDCCH transmission, and when a first PDSCH transmission scheme indicator is set to a first value, and
- wherein the PDSCH transmission scheme is determined based on any of a plurality of transmission modes, when the EPDCCH physical resource block set is determined as the distributed EPDCCH transmission, and when a second PDSCH transmission scheme indicator is set to a second value, and
- receiving the PDSCH on a basis of the fallback DCI format and the determined PDSCH transmission scheme.
A user equipment in a wireless communication system, the user equipment comprising:
- a reception module;
- and
- a processor,
- wherein the processor is configured to:
- decode a fallback downlink control information (DCI) format in an EPDCCH physical resource block set,
- determine whether the EPDCCH physical resource block set is set to localized EPDCCH transmission or distributed EPDCCH transmission,
- wherein a physical downlink shared channel (PDSCH) transmission scheme for receiving a PDSCH is determined as a single antenna port, when the EPDCCH physical resource block set is determined as the localized EPDCCH transmission, and when a first PDSCH transmission scheme indicator is set to a first value, and
- wherein the PDSCH transmission scheme is determined based on any of a plurality of transmission modes, when the EPDCCH physical resource block set is determined as the distributed EPDCCH transmission, and when a second PDSCH transmission scheme indicator is set to a second value, and
- control the reception module to receive the PDSCH on a basis of the fallback DCI format and the determined PDSCH transmission scheme.
Dependencies are inferred from the claim text.