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Method for determining ECCE search space of EPDCCH in case of cross carrier scheduling, and apparatus therefor
Method for determining ECCE search space of EPDCCH in case of cross carrier scheduling, and apparatus therefor
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机译:跨载波调度时确定ePDCCH的ECCE搜索空间的方法及其装置
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摘要
The invention provides a method of and apparatus for determining an ECCE user equipment specific search space of an EPDCCH for cross carrier scheduling. According to an embodiment of the invention, the method includes: determining a distance between candidates of a search space at each aggregation level at least according to total number NCI of carriers that can be scheduled concurrently and a carrier indicator nCI, wherein the carrier indicator nCI indicates respective carriers among the NCI carriers that can be scheduled concurrently; and determining positions, of the candidates of the search space at each aggregation level, in allocated ECCEs at least according to the determined distance. According to the invention, in the situation of cross carrier scheduling, candidates of a search space at each aggregation level can be positioned uniformly in allocated ECCEs, and for a single user equipment, control information over a carrier corresponding to data over different carriers can be spaced apart and use different candidates.
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