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    • 4. 发明申请
    • INTRA-FREQUENCY AND INTER-RAT RECEIVER
    • 内频和间接收器
    • WO2015021285A2
    • 2015-02-12
    • PCT/US2014/050160
    • 2014-08-07
    • QUALCOMM INCORPORATED
    • LUO, TaoYERRAMALLI, SrinivasMALLADI, Durga, Prasad
    • H04B1/7107
    • H04B1/006H04B1/12H04B1/7107H04J11/004
    • Techniques are described for wireless communications. In one example, multiple signals including at least a wireless local area network (WLAN) signal and a cellular signal may be received over a bandwidth of an unlicensed radio frequency spectrum band. Digital samples of the signals may be stored in a buffer. At least a portion of the WLAN signal may be reconstructed from the stored digital samples and removed from the stored digital samples before the contents of the buffer are converted to the frequency domain for demodulation and decoding of the cellular signal by a cellular receiver. In another example, multiple signals may be received over a bandwidth of an unlicensed radio frequency spectrum band, and it may be determined whether to apply codeword-level interference cancelation (CWIC) or symbol-level interference cancelation (SLIC) to remove an interference signal in the multiple signals.
    • 描述了用于无线通信的技术。 在一个示例中,可以在无执照射频频谱带的带宽上接收包括至少无线局域网(WLAN)信号和蜂窝信号的多个信号。 信号的数字样本可以存储在缓冲器中。 在缓冲器的内容被转换到频域以便蜂窝接收机对蜂窝信号进行解调和解码之前,可以从存储的数字样本中重建至少一部分WLAN信号并将其从存储的数字样本中移除。 在另一个示例中,可以在无执照无线电频谱频带的带宽上接收多个信号,并且可以确定是否应用码字级干扰消除(CWIC)或符号级干扰消除(SLIC)来移除干扰信号 在多个信号中。
    • 6. 发明申请
    • BLIND DETECTION OF MODULATION CONFIGURATION FOR INTERFERING SIGNALS
    • 用于干扰信号的调制配置的BLIND检测
    • WO2013158011A2
    • 2013-10-24
    • PCT/SE2013050243
    • 2013-03-14
    • ERICSSON TELEFON AB L M
    • JONSSON ELIASUESAKA KAZUYOSHI
    • H04L1/00
    • H04B1/7115H04B1/7107
    • Techniques are disclosed for determining which channelization codes are used for an interfering HS-PDSCH transmission without knowing whether a neighboring UE targeted by that transmission has had its 64QAM capability activated by higher layer signaling. The average amplitude is measured for each of several possible groups of channelization codes for each of one or more nearby UEs that might be the targets of interfering HS-PDSCH messages. Testing whether the amplitude is approximately the same across the codes in a possible combination of channelization codes yields a metric value that indicates whether that particular combination of codes is likely to be transmitted to a given UE. A second metric that detects the most likely modulation for possible groups of channelization codes is also calculated. The metrics are combined to determine which combination of channelization codes and modulation scheme is most likely being used for addressing the neighboring UE.
    • 公开了用于确定哪些信道化码用于干扰HS-PDSCH传输的技术,而不知道该传输所针对的相邻UE是否具有由较高层信令激活的其64QAM能力。 对于可能是干扰HS-PDSCH消息的目标的一个或多个附近的UE中的每一个,测量平均幅度中的每一个信道化码的每一个。 在信道化码的可能组合中,测试码之间的振幅是否大致相同,产生指示代码的特定组合是否可能被发送给给定UE的度量值。 还计算了针对可能的信道化码组可能调制的第二个度量。 组合度量以确定信道化码和调制方案的哪个组合最可能用于寻址相邻UE。