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    • 4. 发明申请
    • METHOD AND APPARATUS FOR DUAL MODE POWER CONTROL
    • 双模式功率控制方法与装置
    • WO2006025922A1
    • 2006-03-09
    • PCT/US2005/022207
    • 2005-06-23
    • MOTOROLA INC.SCHWENT, Dale, G.KIRSCHENMANN, Mark, A.TROCKE, Robert, S.
    • SCHWENT, Dale, G.KIRSCHENMANN, Mark, A.TROCKE, Robert, S.
    • H04B7/005
    • H04W52/52H03G3/3047H04B2001/0416
    • An apparatus and method for dual mode power control. A transmitter is capable of operating in a first mode of operation and a second mode of operation, the first mode of operation and the second mode of operation including a closed loop control mode and an open loop control mode, the first mode of operation being different from the second mode of operation. The transmitter can be operated in the first mode of operation. A transmitter output power characteristic of the first mode of operation can be read back. The transmitter output power characteristic of the first mode of operation can be correlated to a transmitter output power characteristic of the second mode of operation. The first mode of operation can be switched to the second mode of operation based on the transmitter output power characteristic of the second mode of operation.
    • 一种用于双模式功率控制的装置和方法。 发射机能够在第一操作模式和第二操作模式下操作,第一操作模式和第二操作模式包括闭环控制模式和开环控制模式,第一操作模式是不同的 从第二种操作模式。 发射机可以在第一种操作模式下工作。 可以回读第一操作模式的发射机输出功率特性。 第一操作模式的发射机输出功率特性可以与第二操作模式的发射机输出功率特性相关。 可以基于第二操作模式的发射机输出功率特性将第一操作模式切换到第二操作模式。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR REDUCING TRANSMITTER INTERFERENCE
    • 减少发射机干扰的方法和装置
    • WO2013003107A1
    • 2013-01-03
    • PCT/US2012/043059
    • 2012-06-19
    • MOTOROLA MOBILITY LLCSCHWENT, Dale, G.CHANCE, Gregory, W.NAGODE, Thomas, D.
    • SCHWENT, Dale, G.CHANCE, Gregory, W.NAGODE, Thomas, D.
    • H04B1/04
    • H04L27/2691H04L27/2626H04L27/2657H04L27/362
    • A method (700) and apparatus (200) mitigates spurious transmissions. An offset local oscillator signal (266) is generated that is at a frequency that is offset from a nominal transmit channel carrier frequency by a spurious mitigation offset (203). An information signal (206) is generated that comprises a series of modulation symbols and has a transmission bandwidth (212) at baseband. A configured offset information signal (226) is generated from the information signal, wherein the spectrum of the configured offset information signal is offset from DC by a channel configuration offset (218), and is further offset by a negative of the spurious mitigation offset (202). The offset local oscillator signal and the configured offset information signal are combined using a mixing technique. The spurious mitigation offset is zero when a spurious condition does not exist and is non-zero when the spurious condition does exist.
    • 方法(700)和装置(200)减轻杂散传输。 产生偏移本地振荡器信号(266),该偏移本地振荡器信号处于与标称发射信道载波频率偏移假消除偏移(203)的频率处。 产生包括一系列调制符号并且在基带处具有传输带宽(212)的信息信号(206)。 从信息信号生成配置的偏移信息信号(226),其中配置的偏移信息信号的频谱通过信道配置偏移(218)从DC偏移,并进一步被寄生减轻偏移的负值 202)。 偏移本地振荡器信号和配置的偏移信息信号使用混合技术进行组合。 当杂散条件不存在时,杂散减轻偏移为零,当杂散条件确实存在时,杂散缓解偏移为零。