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    • 1. 发明申请
    • Method And System For Determining Channel Spacing And Configuring An FM Transmitter
    • 确定通道间距和配置FM发射机的方法和系统
    • US20080233907A1
    • 2008-09-25
    • US11846989
    • 2007-08-29
    • Brima Babatunde IbrahimScott BibaudSiukai MakJohn WalleyBojko Marholev
    • Brima Babatunde IbrahimScott BibaudSiukai MakJohn WalleyBojko Marholev
    • H04B1/18
    • H03L7/085H03L7/181
    • In a wireless communication system which may include a mobile device having an integrated FM radio transmitter and a FM radio receiver, a geographic location of the mobile device may be determined. A FM channel map may be determined based on the location and the FM radio transmitter may be configured for transmitting FM signals based on the FM channel map, which may include a list of ranked FM channels. The geographic location may be acquired from received RDS or RBDS signals, received GPS signals, other received wireless signals, and/or from user data. Channel spacing, channel offset and/or frequency band may be determined for the FM channel map. A frequency for transmitting FM signals via the FM radio transmitter may be selected based on the determined FM channel map. The FM radio receiver may also be configured for receiving FM signals based on the determined FM channel map.
    • 在可以包括具有集成FM无线电发射机和FM无线电接收机的移动设备的无线通信系统中,可以确定移动设备的地理位置。 可以基于该位置来确定FM频道映射,并且FM无线电发射机可以被配置为基于可以包括排列的FM频道的列表的FM频道映射来发送FM信号。 可以从接收的RDS或RBDS信号,接收的GPS信号,其他接收的无线信号和/或从用户数据获取地理位置。 可以为FM频道映射确定信道间隔,信道偏移和/或频带。 可以基于所确定的FM频道映射来选择经由FM无线电发射机发送FM信号的频率。 FM无线电接收机还可以被配置为基于所确定的FM频道映射来接收FM信号。
    • 2. 发明申请
    • METHOD AND SYSTEM FOR SIMULTANEOUS FM TRANSMISSION ON A SELECTED CHANNEL AND ITS CORRESPONDING IMAGE FREQUENCY
    • 选择频道上同步FM传输的方法和系统及其相关图像频率
    • US20080233897A1
    • 2008-09-25
    • US11855217
    • 2007-09-14
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • H04B1/02
    • H03L7/085H03L7/181
    • Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation. The signals resulting from the intermediate frequency modulation and the radio frequency modulation may be filtered to preserve the radio frequency signal and the corresponding image frequency signal.
    • 用于在多个选定频率上同时进行信号传输的方法和系统的方面可以包括:从单个基带信号生成各自在不同射频上的多个射频传输信号,其中单个基带信号包括同相信号分量, /或正交信号分量。 用于产生所述多个射频传输信号的单基带信号可以在单个射频传输链中进行调制,射频传输链包括中频调制和射频调制。 多个射频发送信号可以是基于中频调制和射频调制的射频信号和对应的图像频率信号。 可以对由中频调制和射频调制产生的信号进行滤波以保持射频信号和对应的图像频率信号。
    • 3. 发明授权
    • Method and system for simultaneous signal transmission on multiple selected frequencies
    • 用于在多个选定频率上同时进行信号传输的方法和系统
    • US07974590B2
    • 2011-07-05
    • US11855217
    • 2007-09-14
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • H04B1/04
    • H03L7/085H03L7/181
    • Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation. The signals resulting from the intermediate frequency modulation and the radio frequency modulation may be filtered to preserve the radio frequency signal and the corresponding image frequency signal.
    • 用于在多个选定频率上同时进行信号传输的方法和系统的方面可以包括:从单个基带信号生成各自在不同射频上的多个射频传输信号,其中单个基带信号包括同相信号分量, /或正交信号分量。 用于产生所述多个射频传输信号的单基带信号可以在单个射频传输链中进行调制,射频传输链包括中频调制和射频调制。 多个射频发送信号可以是基于中频调制和射频调制的射频信号和对应的图像频率信号。 可以对由中频调制和射频调制产生的信号进行滤波以保持射频信号和对应的图像频率信号。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR SIMULTANEOUS SIGNAL TRANSMISSION ON MULTIPLE SELECTED FREQUENCIES
    • 多种选择频率同时信号传输的方法与系统
    • US20120021706A1
    • 2012-01-26
    • US13176664
    • 2011-07-05
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • H04B1/02
    • H03L7/085H03L7/181
    • Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation. The signals resulting from the intermediate frequency modulation and the radio frequency modulation may be filtered to preserve the radio frequency signal and the corresponding image frequency signal.
    • 用于在多个选定频率上同时进行信号传输的方法和系统的方面可以包括:从单个基带信号生成各自在不同射频上的多个射频传输信号,其中单个基带信号包括同相信号分量, /或正交信号分量。 用于产生所述多个射频传输信号的单基带信号可以在单个射频传输链中进行调制,射频传输链包括中频调制和射频调制。 多个射频发送信号可以是基于中频调制和射频调制的射频信号和对应的图像频率信号。 可以对由中频调制和射频调制产生的信号进行滤波以保持射频信号和对应的图像频率信号。
    • 5. 发明授权
    • Method and system for simultaneous signal transmission on multiple selected frequencies
    • 用于在多个选定频率上同时进行信号传输的方法和系统
    • US08467745B2
    • 2013-06-18
    • US13176664
    • 2011-07-05
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • Brima Babatunde IbrahimJohn WalleyBojko MarholevSiukai Mak
    • H04B1/04
    • H03L7/085H03L7/181
    • Aspects of a method and system for simultaneous signal transmission on multiple selected frequencies may include generating from a single baseband signal, a plurality of radio frequency transmission signals each at a different radio frequency, wherein the single baseband signal comprises an in-phase signal component and/or a quadrature signal component. The single baseband signal, to generate said plurality of radio frequency transmission signals, may be modulated in a single radio frequency transmission chain, the radio frequency transmission chain comprising intermediate frequency modulation and radio frequency modulation. The plurality of radio frequency transmission signals may be a radio frequency signal and a corresponding image frequency signal, based on the intermediate frequency modulation and the radio frequency modulation. The signals resulting from the intermediate frequency modulation and the radio frequency modulation may be filtered to preserve the radio frequency signal and the corresponding image frequency signal.
    • 用于在多个选定频率上同时进行信号传输的方法和系统的方面可以包括:从单个基带信号生成各自在不同射频上的多个射频传输信号,其中单个基带信号包括同相信号分量, /或正交信号分量。 用于产生所述多个射频传输信号的单基带信号可以在单个射频传输链中进行调制,射频传输链包括中频调制和射频调制。 多个射频发送信号可以是基于中频调制和射频调制的射频信号和对应的图像频率信号。 可以对由中频调制和射频调制产生的信号进行滤波以保持射频信号和对应的图像频率信号。
    • 8. 发明授权
    • Method and system for detecting channels suitable for FM transmission in an integrated FM transmit/receive system
    • 用于在集成FM发射/接收系统中检测适合于FM发射的信道的方法和系统
    • US08027641B2
    • 2011-09-27
    • US11832844
    • 2007-08-02
    • Brima IbrahimJohn WalleyScott BibaudBojko MarholevPrasan PaiSiukai Mak
    • Brima IbrahimJohn WalleyScott BibaudBojko MarholevPrasan PaiSiukai Mak
    • H04B1/00
    • H03L7/085H03L7/181
    • A method and system is provided processing channel information may include in a mobile FM radio system including an integrated FM radio transmitter and FM radio receiver, dynamically generating a list of local FM channels, ranking local FM channels in the generated list, and selecting one of the ranked local FM channels for use by the FM transmitter based on neighboring channel interference. The FM radio receiver may detect FM channels being transmitted or not being transmitted, detect a pilot signal or a channel transmission pause. A tuning frequency of the FM radio receiver may be adjusted for scanning and detecting the local FM channels based on knowledge of a location of the FM radio receiver, received signal strength indicator (RSSI), dynamically scanning for local FM channel based on received RDS/RDBS data or country code, and/or carrier error of a related FM signal.
    • 提供了一种方法和系统,处理频道信息可以包括在包括集成FM无线电发射机和FM无线电接收机的移动FM无线电系统中,动态地生成本地FM频道的列表,对生成的列表中的本地FM频道进行排序,并且选择 基于相邻信道干扰的FM发射机使用的排名本地FM频道。 FM无线电接收机可以检测正在发送或未被发送的FM信道,检测导频信号或信道传输暂停。 FM调频无线电接收机的调谐频率可以根据FM无线电接收机的位置,接收信号强度指示符(RSSI)的知识,基于接收到的RDS / RDBS数据或国家代码,和/或相关FM信号的载波误差。