METHOD AND APPARATUS FOR RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM SUPPORTING COOPERATIVE TRANSMISSION
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Abstract
The present invention relates to a wireless communication system. A method for receiving data by a user equipment (UE) in a cooperative multi-point (CoMP) wireless communication system includes receiving information indicating a transmission base station (BS) that actually transmits data among a plurality of BSs that participate in CoMP, receiving information about zero-power channel state information-reference signal (CSI-RS) of each of the plural BSs, and assuming that data is not mapped to a resource element of zero-power CSI-RS corresponding to the transmission BS and receiving the data through a physical downlink control channel (PDSCH).
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Citations
29 Claims
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1-14. -14. (canceled)
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15. A method of receiving a physical downlink shared channel (PDSCH) by a user equipment (UE), the method comprising:
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receiving information on multiple zero power channel state information-reference signal (ZP CSI-RS) resources; receiving, via a physical downlink control channel (PDCCH), downlink control information (DCI) scheduling a PDSCH; determining a PDSCH resource based on the DCI by assuming that the PDSCH is not mapped to one of the multiple ZP CSI-RS resources; and obtaining data from the PDSCH resource, wherein in determining the PDSCH resource, the one ZP CSI-RS resource to which the PDSCH is not mapped is identified by a field of the DCI. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A user equipment (UE) for receiving a physical downlink shared channel (PDSCH), the UE comprising:
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a receiver configured to receive information on multiple zero power channel state information-reference signal (ZP CSI-RS) resources, and to receive, via a physical downlink control channel (PDCCH), downlink control information (DCI) scheduling a PDSCH; and a processor configured to determine a PDSCH resource based on the DCI by assuming that the PDSCH is not mapped to one of the multiple ZP CSI-RS resources, and to obtain data from the PDSCH resource, wherein in determining the PDSCH resource, the one ZP CSI-RS resource to which the PDSCH is not mapped is identified by a field of the DCI. - View Dependent Claims (24, 25, 26, 27, 28, 29)
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Specification