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    • 5. 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。