METHODS AND SYSTEMS FOR TRANSMITTING SFBC SIGNALS WITH CSI-RS TRANSMISSION AND RELATED MUTING IN LTE-ADVANCE SYSTEMS
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Jan 20, 2012
filing date -
Jan 20, 2011
priority date (Note) -
Abandoned
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Abstract
Systems and methods for transmitting a physical downlink shared channel (PDSCH) of spatial-frequency block coding (SFBC) format in a subframe that includes at least one of a channel state information reference signal (CSI-RS) and zero-power muting are disclosed. A processor unit is groups one or more resource elements (REs) available for at least one of CSI-RS and zero-power muting, and the subframe including the group of one or more REs is transmitted. All of the one or more REs in a group may be used for PDSCH rate matching together, or none of the one or more REs in the group may be used for PDSCH rate matching. All REs on one OFDM symbol may not be used for PDSCH rate matching if any two REs per SFBC pair on the OFDM symbol, are separated by at least N REs, where N is equal to 1 or 2.
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