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    • 24. 发明申请
    • MULTIPLE FREQUENCY BAND INFORMATION SIGNAL UNIVERSAL FRONT END WITH ADJUSTABLE ANALOG SIGNAL PATH COMPONENTS
    • 多路频带信息信号通用可调模拟信号路径组件
    • US20100261443A1
    • 2010-10-14
    • US12550532
    • 2009-08-31
    • John WalleyDavid RosmannBrima B. IbrahimArya Reza BehzadJeyhan KaraoguzVinko Erceg
    • John WalleyDavid RosmannBrima B. IbrahimArya Reza BehzadJeyhan KaraoguzVinko Erceg
    • H04B1/04H04B15/00H04W84/02
    • H04B1/005H04B1/0003
    • A wireless device includes processing circuitry, a receiver section, a transmitter section, and an antenna. The processing circuitry determines a set of information signals of a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal. The receiver section down-converts a portion of the RF MFBMS signal by one or more respective shift frequencies to produce a corresponding baseband/low Intermediate Frequency (BB/IF) information signal from which the processing circuitry extracts data. The transmitter section converts a respective BB/IF information signal received from the processing circuitry by a respective shift frequency to produce a corresponding RF information signal and a combiner that combines the RF information signals to form a RF MFBMS signal. Each of the receiver section and the transmitter section may include analog signal path elements that are adjustable based upon characteristics of the RF MFBMS signal, the BB/IF MFBMS signal, and/or based upon signals carried therein, e.g., modulation type, SNR requirements, etc.
    • 无线设备包括处理电路,接收机部分,发射机部分和天线。 处理电路确定RF多频带多标准(MFBMS)信号的一组信息信号。 接收器部分将RF MFBMS信号的一部分下变频一个或多个相应的移位频率,以产生相应的基带/低中频(BB / IF)信息信号,处理电路从该信号信号中提取数据。 发射机部分将从处理电路接收到的相应BB / IF信息信号转换相应的移位频率,以产生对应的RF信息信号和组合RF信号信号以形成RF MFBMS信号的组合器。 每个接收机部分和发射机部分可以包括可以基于RF MFBMS信号,BB / IF MFBMS信号的特性和/或基于其中携带的信号来调节的模拟信号路径元件,例如调制类型,SNR要求 等等