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    • 16. 发明申请
    • METHOD OF AND APPARATUS FOR DETERMINING ECCE SEARCH SPACE OF EPDCCH FOR CROSS CARRIER SCHEDULING
    • 用于确定跨载波调度的EPDCCH的ECCE搜索空间的方法和装置
    • WO2014111805A1
    • 2014-07-24
    • PCT/IB2014/000111
    • 2014-01-13
    • ALCATEL LUCENT
    • JIANG, QiLIU, Zheng
    • H04L5/00
    • H04W72/1263H04L5/001H04L5/0053H04L65/608H04W4/70H04W28/0221H04W40/246H04W48/14H04W52/0209H04W52/0212H04W52/0235H04W52/0258H04W52/04H04W72/0406H04W76/28Y02D70/00
    • 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 N CI of carriers that can be scheduled concurrently and a carrier indicator n CI , wherein the carrier indicator n CI indicates respective carriers among the N CI 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.
    • 本发明提供了一种用于确定用于交叉载波调度的EPDCCH的ECCE用户设备特定搜索空间的方法和装置。 根据本发明的实施例,所述方法包括:至少根据能够同时调度的载波的总数NCI和载波指示符nCI,确定每个聚合级别的搜索空间候选之间的距离,其中载波指示符nCI 表示可以同时调度的NCI载波中的各个载波; 以及至少根据所确定的距离,在分配的ECCE中确定每个聚合级别的搜索空间的候选者的位置。 根据本发明,在跨载波调度的情况下,每个聚合级别的搜索空间的候选可以均匀地定位在所分配的ECCE中,并且对于单个用户设备,对应于不同载波上的数据的载波上的控制信息可以是 间隔开并使用不同的候选人。