| 摘要 |
A base station apparatus multiplexes downlink control signals for users depending on user blind detection positions to generate a downlink signal. There are multiple options of radio resource amounts per transmission time interval unit. Letting y=(user specific value) mod (floor(MB×C2/agg)), the user blind detection positions for a reference option are derived from (y) mod (floor(C2/agg)). For an upper option where more radio resources are provided, the user blind detection positions are derived from (y) mod (floor(C3/agg)). C2 and C3 are the numbers of channel elements for the respective options, agg is an aggregation level and floor ( ) is a floor function.
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