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    • 2. 发明申请
    • Rapidly adjustable local oscillation module and applications thereof
    • 快速可调的本地振荡模块及其应用
    • US20060068721A1
    • 2006-03-30
    • US11274367
    • 2005-11-14
    • Bojan SubasicMathew Rybicki
    • Bojan SubasicMathew Rybicki
    • H04B1/44H04B1/06
    • H04B1/0071
    • A rapidly adjustable local oscillation (LO) module for use in a radio transmitter or a radio receiver includes an oscillation generating module and a high frequency switching module. The oscillation generating module is operably coupled to generate a plurality of local oscillations. The high frequency switching module is operably coupled to, for a first one of a plurality of transmission paths, provide one of the plurality of local oscillations when a first transmission path selection indication is in a first state and provide another one of the plurality of local oscillations when the first transmission path selection indication is in a second state and, for a second one of the plurality of transmission paths, provide the one of the plurality of local oscillations when a second transmission path selection indication is in a first state and provide the another one of the plurality of local oscillations when the second transmission path selection indication is in a second state.
    • 用于无线电发射机或无线电接收机的快速可调的本地振荡(LO)模块包括振荡发生模块和高频切换模块。 振荡发生模块可操作地耦合以产生多个本地振荡。 当第一传输路径选择指示处于第一状态并且提供多个本地振荡中的另一个本地振荡时,高频切换模块可操作地耦合到多个传输路径中的第一传输路径中的第一传输路径中的一个, 当第一传输路径选择指示处于第二状态时,并且当第二传输路径选择指示处于第一状态时,对于多个传输路径中的第二传输路径中的第二传输路径中的第二传输路径提供多个本地振荡中的一个,并且提供 当第二传输路径选择指示处于第二状态时,多个本地振荡中的另一个。
    • 3. 发明申请
    • RF transmitter and receiver front-end
    • 射频发射机和接收机前端
    • US20050136880A1
    • 2005-06-23
    • US10741716
    • 2003-12-19
    • Bojan SubasicMathew Rybicki
    • Bojan SubasicMathew Rybicki
    • H04B1/00H04B1/16
    • H04B1/0071
    • A radio frequency receiver front-end includes a low noise amplifier, a mixing stage, and a selectable channel filter. The low noise amplifier is operably coupled to amplify inbound RF signals to produce amplified inbound RF signals. The mixing stage is operably coupled to mix amplified inbound RF signals with a 1st local oscillation to produce a 1st intermediate frequency (IF) signal. The selectable channel filter is operably coupled to pass a 1st channel of the 1st IF signal when a channel select signal is in a 1st state and to pass a 2nd channel of the 1st IF signal when the channel select signal is in a 2nd state to produce a selected channel.
    • 射频接收机前端包括低噪声放大器,混合级和可选择的通道滤波器。 低噪声放大器可操作地耦合以放大入站RF信号,以产生放大的入站RF信号。 混合级可操作地耦合以将放大的入站RF信号与1μs本地振荡混频以产生中频(IF)信号。 可选择的通道滤波器可操作地耦合,以便当通道选择信号处于第一信号时,通过第一中频信号的第一信道, 状态,并且当通道选择信号处于第二个状态时,通过1 IF信号的2 通道以产生选定的 渠道。
    • 4. 发明申请
    • Radio receiver having a diversity antenna structure
    • 具有分集天线结构的无线电接收机
    • US20050032497A1
    • 2005-02-10
    • US10944509
    • 2004-09-17
    • James GirardeauPaul AstrachanMathew RybickiBojan Subasic
    • James GirardeauPaul AstrachanMathew RybickiBojan Subasic
    • H04B7/08H04B1/00H04B1/06H04B7/00
    • H04B7/0857
    • A radio receiver includes a first diversity antenna structure, a second diversity antenna structure, a first RF receiver section, a second RF receiver section, a combining module, and a baseband processing module. The first diversity antenna structure includes a plurality of first antennas and each of the plurality of first antennas is operably coupled to receive inbound radio frequency (RF) signals, wherein the first diversity antenna structure provides the received inbound RF signals from one of the plurality of first antennas based on a first antenna selection signal to produce first received inbound RF signals. The second diversity antenna structure includes a plurality of second antennas and each of the plurality of second antennas is operably coupled to receive the inbound RF signals, wherein the second diversity antenna structure provides the received inbound RF signals from one of the plurality of second antennas based on a second antenna selection signal to produce second received inbound RF signals. The first RF receiver section is operably coupled to convert the first received inbound RF signals into first inbound baseband signals. The second RF receiver section is operably coupled to convert the second received inbound RF signals into second inbound baseband signals. The combining module is operably coupled to combine the first and second inbound baseband signals to produce inbound baseband signals. The baseband processing module is operably coupled to convert the inbound baseband signals into inbound data and to produce the first and second antenna selection signals based on signal integrity of the first and second diversity antenna structures, respectively.
    • 无线电接收机包括第一分集天线结构,第二分集天线结构,第一RF接收机部分,第二RF接收机部分,组合模块和基带处理模块。 所述第一分集天线结构包括多个第一天线,并且所述多个第一天线中的每一个可操作地耦合以接收入站射频(RF)信号,其中所述第一分集天线结构提供从所述多个 基于第一天线选择信号的第一天线以产生第一接收的入站RF信号。 第二分集天线结构包括多个第二天线,并且多个第二天线中的每一个可操作地耦合以接收入站RF信号,其中第二分集天线结构从多个第二天线之一提供接收的入站RF信号 在第二天线选择信号上产生第二接收的入站RF信号。 第一RF接收机部分可操作地耦合以将第一接收的入站RF信号转换成第一入站基带信号。 第二RF接收机部分可操作地耦合以将第二接收的入站RF信号转换成第二入站基带信号。 组合模块可操作地耦合以组合第一和第二入站基带信号以产生入站基带信号。 基带处理模块可操作地耦合以将入站基带信号转换成入站数据,并且分别基于第一和第二分集天线结构的信号完整性产生第一和第二天线选择信号。