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1. 发明申请

WO2008150908A3 METHOD AND APPARATUS FOR IMPLEMENTING SEEK AND SCAN FUNCTIONS FOR AN FM DIGITAL RADIO SIGNAL 审中-公开
标题翻译：用于实现FM数字无线电信号的查询和扫描功能的方法和装置
公开(公告)号：WO2008150908A3
公开(公告)日：2009-06-11
申请号：PCT/US2008065143
申请日：2008-05-29
申请人： IBIQUITY DIGITAL CORP , KROEGER BRIAN W , PEYLA PAUL J
发明人： KROEGER BRIAN W , PEYLA PAUL J
IPC分类号： H04H20/30 , H04B1/707
CPC分类号： H04H20/30 , H04H2201/18
摘要： A method for detecting a digital radio signal includes the steps of receiving the digital radio signal, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, calculating a peak value of the normalized correlation waveform, and dwelling on the received digital radio signal when the peak value exceeds a predetermined threshold. A receiver that performs the method is also provided.
摘要翻译：一种用于检测数字无线电信号的方法包括以下步骤：接收数字无线电信号，开发具有对应于符号边界的峰值的相关波形，对相关波形进行归一化，计算归一化相关波形的峰值，以及驻留在当峰值超过预定阈值时接收的数字无线电信号。还提供了执行该方法的接收器。

2. 发明申请

WO2012177690A9 METHOD AND APPARATUS FOR IMPLEMENTING SIGNAL QUALITY METRICS AND ANTENNA DIVERSITY SWITCHING CONTROL 审中-公开
标题翻译：实施信号质量测量和天线多样性切换控制的方法与装置
公开(公告)号：WO2012177690A9
公开(公告)日：2013-03-07
申请号：PCT/US2012043239
申请日：2012-06-20
申请人： IBIQUITY DIGITAL CORP , KROEGER BRIAN W , PEYLA PAUL J
发明人： KROEGER BRIAN W , PEYLA PAUL J
IPC分类号： H04B17/00 , H04B7/08 , H04L1/20
CPC分类号： H04B7/0814 , H04B7/02 , H04B7/0805 , H04B17/29 , H04B17/309 , H04H2201/12 , H04H2201/18 , H04H2201/19 , H04H2201/20 , H04L1/20 , H04L27/2663 , H04L27/2678
摘要： A method for detecting the digital quality of a radio signal includes: receiving a radio signal including a digital portion modulated by a series of symbols each including a plurality of samples; computing correlation points between endpoint samples in cyclic prefix regions of adjacent symbols; and using the correlation points to produce a digital signal quality metric. Receivers that implement the method are also provided.
摘要翻译：一种用于检测无线电信号的数字质量的方法包括：接收包括由包括多个采样的一系列符号调制的数字部分的无线电信号; 计算相邻符号的循环前缀区域中的端点样本之间的相关点; 并使用相关点来产生数字信号质量度量。还提供了实现该方法的接收器。

3. 发明申请

WO2008150910A3 METHOD AND APPARATUS FOR IMPLEMENTING A DIGITAL SIGNAL QUALITY METRIC 审中-公开
公开(公告)号：WO2008150910A3
公开(公告)日：2008-12-11
申请号：PCT/US2008/065145
申请日：2008-05-29
申请人： IBIQUITY DIGITAL CORPORATION , PEYLA, Paul J. , KROEGER, Brian W.
发明人： PEYLA, Paul J. , KROEGER, Brian W.
IPC分类号： H04L1/20
摘要： A method for detecting a digital radio signal includes the steps of receiving the digital radio signal including a series of symbols, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, and calculating a peak value of the normalized correlation waveform, wherein the peak value represents the quality of the received digital radio signal. A receiver that performs the method is also provided.

4. 发明申请

WO2008150910A2 METHOD AND APPARATUS FOR IMPLEMENTING A DIGITAL SIGNAL QUALITY METRIC 审中-公开
标题翻译：实现数字信号质量标准的方法和装置
公开(公告)号：WO2008150910A2
公开(公告)日：2008-12-11
申请号：PCT/US2008065145
申请日：2008-05-29
申请人： IBIQUITY DIGITAL CORP , PEYLA PAUL J , KROEGER BRIAN W
发明人： PEYLA PAUL J , KROEGER BRIAN W
IPC分类号： H04H20/30
CPC分类号： H04L5/06 , H04H2201/186 , H04L1/20
摘要： A method for detecting a digital radio signal includes the steps of receiving the digital radio signal including a series of symbols, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, and calculating a peak value of the normalized correlation waveform, wherein the peak value represents the quality of the received digital radio signal. A receiver that performs the method is also provided.
摘要翻译：一种用于检测数字无线电信号的方法包括以下步骤：接收包括一系列符号的数字无线电信号，产生具有对应于符号边界的峰值的相关波形，对相关波形进行归一化，以及计算正规化相关波形，其中峰值表示所接收的数字无线电信号的质量。还提供了执行该方法的接收器。

5. 发明申请

WO2012177690A1 METHOD AND APPARATUS FOR IMPLEMENTING SIGNAL QUALITY METRICS AND ANTENNA DIVERSITY SWITCHING CONTROL 审中-公开
标题翻译：实施信号质量测量和天线多样性切换控制的方法与装置
公开(公告)号：WO2012177690A1
公开(公告)日：2012-12-27
申请号：PCT/US2012/043239
申请日：2012-06-20
申请人： IBIQUITY DIGITAL CORPORATION , KROEGER, Brian W. , PEYLA, Paul J.
发明人： KROEGER, Brian W. , PEYLA, Paul J.
IPC分类号： H04B17/00 , H04B7/08 , H04L1/20
CPC分类号： H04B7/0814 , H04B7/02 , H04B7/0805 , H04B17/29 , H04B17/309 , H04H2201/12 , H04H2201/18 , H04H2201/19 , H04H2201/20 , H04L1/20 , H04L27/2663 , H04L27/2678
摘要： A method for detecting the digital quality of a radio signal includes: receiving a radio signal including a digital portion modulated by a series of symbols each including a plurality of samples; computing correlation points between endpoint samples in cyclic prefix regions of adjacent symbols; and using the correlation points to produce a digital signal quality metric. Receivers that implement the method are also provided.
摘要翻译：一种用于检测无线电信号的数字质量的方法包括：接收包括由包括多个采样的一系列符号调制的数字部分的无线电信号; 计算相邻符号的循环前缀区域中的端点样本之间的相关点; 并使用相关点来产生数字信号质量度量。还提供了实现该方法的接收器。

6. 发明申请

WO2012102935A1 PEAK-TO-AVERAGE POWER RATIO REDUCTION FOR HYBRID FM HD RADIO TRANSMISSION 审中-公开
标题翻译：用于混合FM高清无线电传输的峰值平均功率比降低
公开(公告)号：WO2012102935A1
公开(公告)日：2012-08-02
申请号：PCT/US2012/021855
申请日：2012-01-19
申请人： IBIQUITY DIGITAL CORPORATION , KROEGER, Brian W.
发明人： KROEGER, Brian W.
IPC分类号： H04L27/26
CPC分类号： H04L27/2623
摘要： A method for reducing PAPR in a hybrid IBOC FM radio system, wherein the FM symbol and OFDM symbol are combined in time domain before PAPR reduction using clipping. Then the FM symbol is removed from the combined, clipped symbol in frequency domain before applying masking on inactive subcarriers of the radio system.
摘要翻译：一种用于降低混合IBOC FM无线电系统中的PAPR的方法，其中在使用削波的PAPR减少之前，FM符号和OFDM符号在时域中组合。然后，在对无线电系统的无效子载波进行掩蔽之前，将频率符号从组合的剪辑符号中删除。

7. 发明申请

WO2008150908A2 METHOD AND APPARATUS FOR IMPLEMENTING SEEK AND SCAN FUNCTIONS FOR AN FM DIGITAL RADIO SIGNAL 审中-公开
标题翻译：用于实现FM数字无线电信号的查询和扫描功能的方法和装置
公开(公告)号：WO2008150908A2
公开(公告)日：2008-12-11
申请号：PCT/US2008/065143
申请日：2008-05-29
申请人： IBIQUITY DIGITAL CORPORATION , KROEGER, Brian W. , PEYLA, Paul J.
发明人： KROEGER, Brian W. , PEYLA, Paul J.
IPC分类号： H04H20/30
CPC分类号： H04H20/30 , H04H2201/18
摘要： A method for detecting a digital radio signal includes the steps of receiving the digital radio signal, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, calculating a peak value of the normalized correlation waveform, and dwelling on the received digital radio signal when the peak value exceeds a predetermined threshold. A receiver that performs the method is also provided.
摘要翻译：一种用于检测数字无线电信号的方法包括以下步骤：接收数字无线电信号，开发具有对应于符号边界的峰值的相关波形，对相关波形进行归一化，计算归一化相关波形的峰值，以及驻留在当峰值超过预定阈值时接收的数字无线电信号。还提供了执行该方法的接收器。

8. 发明申请

WO2007059028A3 EQUALIZER FOR AM IN-BAND ON-CHANNEL RADIO RECEIVERS 审中-公开
标题翻译：用于AM带内通道无线电接收器的均衡器
公开(公告)号：WO2007059028A3
公开(公告)日：2007-09-20
申请号：PCT/US2006043983
申请日：2006-11-13
申请人： IBIQUITY DIGITAL CORP , KROEGER BRIAN W , WANG KUN
发明人： KROEGER BRIAN W , WANG KUN
IPC分类号： H04L5/02 , H04H1/00 , H04H20/30 , H04H40/18 , H04L25/03 , H04L27/26
CPC分类号： H04L27/01 , H04H20/30 , H04H40/18 , H04L5/023 , H04L25/03159 , H04L27/2601 , H04L27/2647 , H04L2025/03414 , H04L2025/03439
摘要： A method is provided for equalizing OFDM symbol vectors received on AM in-band on-channel radio signal including a main carrier and first and second BPSK modulated subcarriers. The method comprises the steps of: computing a BPSK magnitude signal; filtering the BPSK magnitude signal; filtering complex samples received on the main carrier; using the filtered BPSK magnitude signal and the filtered complex samples received on the main carrier to compute a plurality of flat fade equalization coefficients; and multiplying the OFDM symbol vectors by the flat fade equalization coefficients. A receiver that includes an equalizer, which operates in accordance with the method is also provided.
摘要翻译：提供了一种用于均衡在包括主载波和第一和第二BPSK调制副载波的AM带通上信道无线电信号上接收的OFDM符号向量的方法。该方法包括以下步骤：计算BPSK幅度信号; 滤波BPSK幅度信号; 过滤在主载波上接收的复杂样本; 使用滤波的BPSK幅度信号和在主载波上接收的经滤波的复数样本来计算多个平坦衰落均衡系数; 并且将OFDM符号向量乘以平坦衰落均衡系数。还提供了包括根据该方法操作的均衡器的接收器。

9. 发明申请

WO2007059029A3 SYMBOL TRACKING FOR AM IN-BAND ON-CHANNEL RADIO RECEIVERS 审中-公开
标题翻译：符号跟踪用于AM带内通道无线电接收机
公开(公告)号：WO2007059029A3
公开(公告)日：2007-07-19
申请号：PCT/US2006043984
申请日：2006-11-13
申请人： IBIQUITY DIGITAL CORP , KROEGER BRIAN W , WANG KUN
发明人： KROEGER BRIAN W , WANG KUN
IPC分类号： H04L7/02
CPC分类号： H04L27/2662 , H04H20/36
摘要： A method for symbol tracking in AM in-band on-channel radio receivers comprises the steps of: receiving a stream of time domain samples; assembling a set of the time domain samples equal to a symbol time plus a half symbol delay in response to a symbol timing adjustment value for each symbol period; interpolating the time domain samples; partitioning the interpolated time domain samples into a first group of samples representing half-off symbols and a second group of samples representing on-time symbols; processing the first and second groups of samples to produce the symbol timing adjustment value; and outputting the second group of samples representing on-time symbols at a symbol rate. An apparatus that performs the method is also included.
摘要翻译：一种用于AM带内信道上无线电接收机中的符号跟踪的方法包括以下步骤：接收时域采样流; 响应于每个符号周期的符号定时调整值，组合等于符号时间加上半符号延迟的一组时域样本; 内插时域采样; 将内插的时域样本划分成表示半关码元的第一组样本和表示准时码元的第二组样本; 处理所述第一和第二组样本以产生所述符号定时调整值; 以及以码元速率输出代表准时符号的第二组样本。还包括执行该方法的设备。

10. 发明申请

WO2007059029A2 SYMBOL TRACKING FOR AM IN-BAND ON-CHANNEL RADIO RECEIVERS 审中-公开
标题翻译： AM带内无线电接收器的符号跟踪
公开(公告)号：WO2007059029A2
公开(公告)日：2007-05-24
申请号：PCT/US2006/043984
申请日：2006-11-13
申请人： IBIQUITY DIGITAL CORPORATION , KROEGER, Brian, W. , WANG, Kun
发明人： KROEGER, Brian, W. , WANG, Kun
IPC分类号： H04L7/02
CPC分类号： H04L27/2662 , H04H20/36
摘要： A method for symbol tracking in AM in-band on-channel radio receivers comprises the steps of: receiving a stream of time domain samples; assembling a set of the time domain samples equal to a symbol time plus a half symbol delay in response to a symbol timing adjustment value for each symbol period; interpolating the time domain samples; partitioning the interpolated time domain samples into a first group of samples representing half-off symbols and a second group of samples representing on-time symbols; processing the first and second groups of samples to produce the symbol timing adjustment value; and outputting the second group of samples representing on-time symbols at a symbol rate. An apparatus that performs the method is also included.
摘要翻译：一种用于AM带内在线无线电接收机中的符号跟踪的方法包括以下步骤：接收时域样本流; 响应于每个符号周期的符号定时调整值，组合一组等于符号时间加上半符号延迟的时域样本; 内插时域样本; 将内插时域样本划分为表示半时间符号的第一组样本和表示准时间符号的第二组样本; 处理第一和第二组样本以产生符号定时调整值; 并以符号率输出表示准时间符号的第二组采样。还包括执行该方法的装置。

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