Method and apparatus for determining reference signals in mobile communication system
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United States of America Patent
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Issued Date -
Sep 29, 2011
app pub date -
Mar 25, 2011
filing date -
Mar 26, 2010
priority date (Note) -
Abandoned
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Abstract
Embodiments of the present invention provide a method and an apparatus for determining reference signals. A User Equipment (UE) obtains group hopping information and/or sequence hopping information of a UE-specific reference signal from cell-specific system information broadcasted by an eNB. The UE receives UE-specific control information transmitted by the eNB to the UE. The UE generates a UE-specific reference signal of a first slot according to the group hopping information and/or sequence hopping information of the broadcasted cell-specific reference signal. If the UE-specific control information indicates that group hopping and/or sequence hopping of UE-specific reference signals is disabled, the UE generates a UE-specific reference signal of a second slot in a same frame with the first slot according to the UE-specific reference signal of the first slot. The UE is able to determine the reference signals when multiple UEs share physical resource blocks.
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