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    • 2. 发明申请
    • SYSTEMS AND METHODS FOR SENDING POWER CONTROL INFORMATION
    • 发送功率控制信息的系统和方法
    • WO2010148034A1
    • 2010-12-23
    • PCT/US2010/038734
    • 2010-06-15
    • QUALCOMM INCORPORATEDMALLADI, Durga PrasadWEI, YongbinLUO, Tao
    • MALLADI, Durga PrasadWEI, YongbinLUO, Tao
    • H04W52/58H04W52/14
    • H04W52/58H04W52/146
    • Systems and methodologies are described that facilitate sending a power control command in a wireless communication environment. A base station can send a power control command to a UE through resource elements reserved for at least one Physical Downlink Control Channel (PDCCH). Thus, the power control command can be punctured into a control channel element (CCE) reserved for the at least one PDCCH. Further, the base station can convey an indicator that specifies the resource elements reserved for the at least one PDCCH used for sending the power control command to the UE. Moreover, the base station can use a structure similar to a conventional (e.g., Release 8, ) PHICH structure for sending the power control command using the resource elements reserved for the at least one PDCCH. For example, the power control command can be spread using one or more Walsh codes assigned to the UE.
    • 描述了便于在无线通信环境中发送功率控制命令的系统和方法。 基站可以通过为至少一个物理下行链路控制信道(PDCCH)保留的资源元素向UE发送功率控制命令。 因此,功率控制命令可以被打孔到为至少一个PDCCH保留的控制信道单元(CCE)中。 此外,基站可以向UE发送指定用于向用于发送功率控制命令的至少一个PDCCH所保留的资源元素的指示符。 此外,基站可以使用类似于常规(例如,版本8)PHICH结构的结构,以使用为至少一个PDCCH保留的资源元素来发送功率控制命令。 例如,可以使用分配给UE的一个或多个沃尔什码扩展功率控制命令。
    • 3. 发明申请
    • SUBFRAME-SPECIFIC SEARCH SPACE DESIGN FOR CROSS-SUBFRAME ASSIGNMENTS
    • 子帧特定搜索空间设计用于跨子帧分配
    • WO2011140354A1
    • 2011-11-10
    • PCT/US2011/035378
    • 2011-05-05
    • QUALCOMM INCORPORATEDLUO, TaoWEI, YongbinMALLADI, Durga Prasad
    • LUO, TaoWEI, YongbinMALLADI, Durga Prasad
    • H04L5/00H04W72/04
    • H04L5/0094H04L5/0044H04L5/0062H04L5/0073H04W72/042H04W84/045
    • In release 8 of the LTE standard ("Rel-8"), a control channel and its associated data channel for downlink may be found in the same subframe. However, decoding of the control channel may be difficult if there is strong interference from different cells (e.g., due to interference from strong/dominant interfering cells). Communication in a dominant interference scenario may be supported by performing inter-cell interference coordination (ICIC). For example, cells may partition subframes to avoid interference. For some embodiments, allocating resources for a downlink data channel on one subframe may come from a PDCCH on a different subframe, which can be referred to as a cross-subframe assignment. Certain aspects of the present disclosure provide subframe-specific search spaces that may be used when there is at least one cross-subframe assignment in a subframe.
    • 在LTE标准(“Rel-8”)的版本8中,可以在同一子帧中找到用于下行链路的控制信道及其相关联的数据信道。 然而,如果存在来自不同小区的强干扰(例如,由于来自强/主导干扰小区的干扰),则控制信道的解码可能是困难的。 可以通过执行小区间干扰协调(ICIC)来支持主要干扰场景中的通信。 例如,单元可以分割子帧以避免干扰。 对于一些实施例,在一个子帧上为下行链路数据信道分配资源可以来自不同子帧上的PDCCH,其可以被称为跨子帧分配。 本公开的某些方面提供了子帧专用的搜索空间,其可以在子帧中存在至少一个跨子帧分配时使用。