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    • 28. 发明公开
    • METHOD AND APPARATUS FOR DETERMING SEARCH SPACE AND CANDIDATE CONTROL CHANNEL RESOURCES
    • 方法和设备建立的搜寻区域和适当控制渠道资源
    • EP2458908A1
    • 2012-05-30
    • EP10811277.2
    • 2010-08-26
    • Huawei Technologies Co., Ltd.
    • LI, ChaojunXUE, LixiaQU, BingyuGUAN, LeiYU, Zheng
    • H04W16/00
    • H04W48/16H04L1/0027H04L1/003H04L5/001H04L5/0042H04L5/0053H04W48/12H04W72/042
    • A method and a device for determining a search space and for determining candidate control channel resources are provided in present invention. The method for determining the search space includes: determining the number of downlink control information bits of each type of control channel currently required to be monitored by a User Equipment (UE; determining a temporary search space corresponding to each type of control channel currently required to be monitored by the UE according to a mapping relationship between a component carrier for carrying a data channel and a component carrier for carrying a control channel, where the mapping relationship is currently used by the UE; and determining that an actual search space corresponding to a selected type of control channel is all or a part of CCEs of a union of temporary search spaces corresponding to all or a part of control channels with the same number of the downlink control information bits, for control channels that are currently required to be monitored by the UE and are of a same CCE aggregation level, when the DCI bit number of one or more other control channels is the same as the DCI bit number of the selected type of control channel. By using the solution, in a carrier aggregation system, the blocking probability of PDCCH scheduling can be decreased.
    • 在本发明提供一种方法和用于确定性采矿的搜索空间和用于确定性采矿候选控制信道资源的装置。 确定性采矿的方法,所述搜索空间包括:确定性采矿每种类型的当前需要由用户设备(UE被监视的控制信道的下行链路控制信息的位的数目;确定采掘一个临时搜索空间对应于控制信道的每个类型当前需要 由UE雅丁用于执行数据信道和用于携带控制信道,其中,所述对应关系是目前使用由UE的分量载波的分量载波之间的映射关系来监测;以及确定性采矿实际搜索空间对应于一个没有 控制信道的选择类型是临时搜索空间对应于所有或具有相同编号的下行链路控制信息比特的控制信道的部分的并集的CCE的全部或一部分,也正在要求的控制信道以由被监控 UE和是相同的CCE聚合水平的,DCI当一个或多个其它控制信道的比特数是 相同的控制信道的选择的类型的DCI比特数。 通过使用在载波聚合系统中的溶液中,PDCCH调度的阻塞概率可以降低。
    • 30. 发明公开
    • METHOD FOR MAPPING CONTROL CHANNEL, METHOD FOR DETECTING CONTROL CHANNEL AND DEVICE THEREOF
    • 方法用于分配控制信道的方法检测控制渠道及其装置的
    • EP2445289A1
    • 2012-04-25
    • EP10788928.9
    • 2010-06-13
    • Huawei Technologies Co., Ltd.
    • XUE, LixiaQU, BingyuGUAN, Lei
    • H04W72/04
    • H04W72/0406H04L5/001H04L5/0053H04L5/0094H04W72/04
    • A method for mapping a control channel, a method for detecting a control channel and devices thereof are provided. The method for mapping a control channel includes: for the same aggregation level, according to a signaling length of a control channel corresponding to a component carrier, determining a corresponding search space for at least two control channels that have the same signaling length, so as to enable the at least two control channels that have the same signaling length to use the same search space, and mapping the at least two control channels that have the same signaling length to the determined corresponding search space; and/or, determining corresponding search spaces for at least two control channels that have different signaling lengths respectively, so as to enable the at least two control channels that have different signaling lengths to use the different search spaces in at least one time transmission unit, and respectively mapping the at least two control channels that have different signaling lengths to the determined corresponding search spaces. Therefore, conflicts between the control channels are reduced, and the number of times of blind detection of the control channels is also reduced.
    • 一种用于映射控制信道,用于检测被提供它们的控制通道和装置的方法的方法。 用于映射控制信道,该方法包括:对于同一聚合水平,雅丁到控制信道对应的分量载波的信令长度,确定性采矿用于至少两个控制信道对应的搜索空间thathave相同的信令长度,从而 以使所述至少两个控制信道thathave相同的信令长度使用相同的搜索空间,并映射该至少两个控制信道thathave相同的信令长度与确定性开采对应的搜索空间; 和/或,确定性采矿对应的搜索空间用于至少两个控制信道分别thathave不同的信令的长度,以便使所述至少两个控制信道thathave不同的信令的长度,以使用不同的搜索空间中的至少一个时间传输单元, 和分别映射在所述至少两个控制信道thathave不同信令的长度,以确定性开采对应的搜索空间。 因此,控制信道之间的冲突减少,并因此减少了的控制信道的盲检测的次数。