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    • 88. 发明申请
    • METHOD AND APPARATUS FOR SENDING CONTROL INFORMATION WITH ENHANCED COVERAGE IN A WIRELESS NETWORK
    • 用于在无线网络中发送具有增强覆盖的控制信息的方法和装置
    • WO2011112681A1
    • 2011-09-15
    • PCT/US2011/027693
    • 2011-03-09
    • QUALCOMM INCORPORATEDVAJAPEYAM, Madhavan, SrinivasanLUO, TaoXU, Hao
    • VAJAPEYAM, Madhavan, SrinivasanLUO, TaoXU, Hao
    • H04W72/04
    • H04L1/0041H04L1/0038H04L1/0072H04L1/08H04L1/189H04L5/0007H04L5/0053H04L5/0092H04L2001/0096H04W84/047
    • Techniques for sending control information in a manner to improve reliability are described. In an aspect, control information may be sent on multiple control channels, which may be independently configured and operated, in order to improve reliability. In one design, a base station may send signaling to instruct at least one UE to receive control information on both a first control channel (e.g., a Physical Downlink control Channel (PDCCH)) and a second control channel (e.g., a Relay PDCCH (R-PDCCH)). The base station may send control information for the at least one UE on the first and second control channels, e.g., in different time and/or frequency regions of a subframe. In another aspect, control information may be sent on a control channel in multiple subframes with bundling to improve reliability. A user equipment (UE) may perform the complementary processing to recover the control information sent by the base station on multiple control channels or with bundling.
    • 描述了以提高可靠性的方式发送控制信息的技术。 在一方面,控制信息可以在多个控制信道上发送,这些控制信道可以被独立地配置和操作,以便提高可靠性。 在一种设计中,基站可以发送信令以指示至少一个UE在第一控制信道(例如,物理下行链路控制信道(PDCCH))和第二控制信道(例如,中继PDCCH( R-PDCCH))。 基站可以在第一和第二控制信道上发送至少一个UE的控制信息,例如在子帧的不同时间和/或频率区域中。 在另一方面,控制信息可以在具有捆绑的多个子帧中的控制信道上发送以提高可靠性。 用户设备(UE)可以执行补充处理以恢复基站在多个控制信道上发送的控制信息或者捆绑。
    • 90. 发明申请
    • CELL SEARCH BASED ON BEACON IN A WIRELESS COMMUNICATION SYSTEM
    • 基于无线通信系统中的信标的小区搜索
    • WO2008058150A2
    • 2008-05-15
    • PCT/US2007/083821
    • 2007-11-06
    • QUALCOMM INCORPORATEDLUO, TaoMALLADI, Durga PrasadXU, Hao
    • LUO, TaoMALLADI, Durga PrasadXU, Hao
    • H04L5/02
    • H04L27/2613H04J11/0069H04L5/023H04L27/2608H04L27/2656H04W48/16
    • Techniques for transmitting beacon signals to assist user equipments (UEs) perform cell search and techniques for detecting for beacon signals are described. In an aspect, cells may be assigned beacon patterns defined based on orthogonal grouping of subcarriers. U subcarriers usable for beacon may be arranged into G orthogonal groups, with each group including S subcarriers. different beacon patterns may be defined based on the G groups of S subcarriers. In another aspect, the cells may transmit their beacon signals at configurable transmit power levels, which may be determined based on target beacon detection performance. In yet another aspect, a UE may perform overlapping DFTs in order to capture more received power when symbol timing at the UE is not aligned with symbol timing of cells being detected. In yet another aspect, the UE may perform beacon detection with maximal likelihood decoding.
    • 描述用于发送信标信号以辅助用户设备(UE)执行小区搜索和用于检测信标信号的技术的技术。 在一个方面,可以为基站分配基于子载波的正交分组定义的信标模式。 可用于信标的U个子载波可以被布置成G个正交组,每个组包括S个子载波。 可以基于S个子载波的G组来定义不同的信标模式。 在另一方面,小区可以以可配置的发射功率电平发送它们的信标信号,这可以基于目标信标检测性能来确定。 在另一方面,当UE处的符号定时不与检测到的小区的符号定时对准时,UE可以执行重叠的DFT以便捕获更多的接收功率。 在另一方面,UE可以以最大似然解码来执行信标检测。