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公开(公告)号：US20250080255A1
公开(公告)日：2025-03-06
申请号：US18766082
申请日：2024-07-08
Applicant: Aviat U.S., Inc.
Inventor： Gary Croke , Sergio Licardie , Robert Vilhar , Sreco Plevel , Marius Koegelenberg
IPC: H04B17/345
Abstract: An interference detection system comprises memory storing computer instructions to cause a processor to perform gathering a temporal snapshot of radio parameter values associated with a first site of a point-to-point radio system, the radio parameter values including at least a receive signal level (RSL) value and at least one other radio parameter value correlated with signal degradation; determining whether the RSL value is greater than an RSL threshold; determining whether the other radio parameter value indicates a threshold level of signal degradation; when the RSL is greater than the RSL threshold and the other parameter indicates a threshold level of signal degradation during the temporal snapshot, determining that external interference is present during the temporal snapshot; when the RSL is not greater than the RSL threshold, determining that the external interference is not present; and performing a responsive action to a determination of the external interference being likely present.
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公开(公告)号：US09787338B2
公开(公告)日：2017-10-10
申请号：US14807618
申请日：2015-07-23
Applicant: Aviat U.S., Inc.
Inventor： Sreco Plevel
CPC classification number: H04B1/123 , H04J4/005 , H04L25/0204 , H04L25/022 , H04L25/0228 , H04L25/03159 , H04L27/2613 , H04L27/2647 , H04L27/366
Abstract: An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.
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3.发明申请SYSTEMS AND METHODS FOR ADAPTIVE AVERAGING IN FREQUENCY DOMAIN EQUALIZATION SYSTEMS 有权频域均衡系统中自适应平均的系统与方法公开(公告)号：US20160028426A1
公开(公告)日：2016-01-28
申请号：US14807618
申请日：2015-07-23
Applicant: Aviat U.S., Inc.
Inventor： Sreco Plevel
CPC classification number: H04B1/123 , H04J4/005 , H04L25/0204 , H04L25/022 , H04L25/0228 , H04L25/03159 , H04L27/2613 , H04L27/2647 , H04L27/366
Abstract: An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.
Abstract translation: 示例系统包括第一天线和调制解调器。 第一天线被配置为从发射射频单元接收信号。 信号包括数据和已知序列。 调制解调器被配置为从信号中检索已知序列，将已知序列和数据转换成频域，计算频域中相邻频点的组的平均值，以减少信号中的非线性噪声的影响，相邻 与频域中的前导码相对应的频率点，将计算的平均值与频域中的预期频率响应进行比较，基于比较确定应用于数据的校正滤波器，对频域中的数据应用校正滤波器 创建校正数据，将校正后的数据从频域转换为时域，并提供数据。
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公开(公告)号：US11309978B2
公开(公告)日：2022-04-19
申请号：US17180248
申请日：2021-02-19
Applicant: Aviat U.S., Inc.
Inventor： Gary Croke , Sergio Licardie , Robert Vilhar , Sreco Plevel , Marius Koegelenberg
IPC: H04B17/345 , H04B1/10
Abstract: An interference detection system comprises memory storing computer instructions to cause a processor to perform gathering a temporal snapshot of radio parameter values associated with a first site of a point-to-point radio system, the radio parameter values including at least a receive signal level (RSL) value and at least one other radio parameter value correlated with signal degradation; determining whether the RSL value is greater than an RSL threshold; determining whether the other radio parameter value indicates a threshold level of signal degradation; when the RSL is greater than the RSL threshold and the other parameter indicates a threshold level of signal degradation during the temporal snapshot, determining that external interference is present during the temporal snapshot; when the RSL is not greater than the RSL threshold, determining that the external interference is not present; and performing a responsive action to a determination of the external interference being likely present.
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公开(公告)号：US09166839B2
公开(公告)日：2015-10-20
申请号：US14179477
申请日：2014-02-12
Applicant: Aviat U.S., Inc.
Inventor： Sreco Plevel , Samo Vehovc
CPC classification number: H04L25/063 , H04L25/0204 , H04L25/022 , H04L25/03159 , H04L25/061 , H04L27/34 , H04L27/38 , H04L2025/03414 , H04L2025/03605
Abstract: According to some embodiments, a receiving device: receives a radio frequency (RF) signal from a transmitting device over a wireless channel; performs a channel estimation of the wireless channel based on the RF signal; obtains a direct current (DC) bin measurement based on the channel estimation; determines a direct current (DC) offset correction based on the DC bin measurement; and sending the DC offset correction to the transmitting device via a local transmitter. The transmitting device: receives the DC offset correction information from the receiving device over a first wireless channel; receives data to be transmitted to the receiving device, where the DC offset correction information describing the DC offset correction; applies the DC offset correction to a transient signal that is based on the data; converts the transient signal to an RF signal; and transmits the RF signal to the receiving device over a second wireless channel.
Abstract translation: 根据一些实施例，接收设备：通过无线信道从发射设备接收射频（RF）信号; 基于RF信号执行无线信道的信道估计; 基于信道估计获得直流（DC）箱测量; 基于DC箱测量确定直流（DC）偏移校正; 以及经由本地发射机向发射设备发送DC偏移校正。 发送装置：通过第一无线信道从接收装置接收DC偏移校正信息; 接收要发送到接收设备的数据，其中描述DC偏移校正的DC偏移校正信息; 将DC偏移校正应用于基于数据的瞬态信号; 将瞬态信号转换成RF信号; 并通过第二无线信道将RF信号发送到接收设备。
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Patent Agency Ranking
公开(公告)号：US20130235919A1
公开(公告)日：2013-09-12
申请号：US13798065
申请日：2013-03-12
Applicant: AVIAT U.S., INC.
Inventor： Sreco Plevel
IPC: H04L1/20
CPC classification number: H04L27/3836 , H04L1/206 , H04L7/048 , H04L27/0014 , H04L27/34 , H04L27/366 , H04L2027/0087
Abstract: A receiver may comprise: a symbol receiver configured to receive a first modulated symbol at a first resolution and thereafter a second modulated symbol at a second resolution greater than the first resolution; an output path coupled to the symbol receiver and configured to forward the first modulated symbol; a decision device coupled to the symbol receiver and configured to determine a most probable symbol represented by the first modulated symbol; a phase detector coupled to the decision device and configured to compare the first modulated symbol and the most probable symbol to generate a phase error value; and a phase modifier coupled to the decision device and configured to determine a phase correction value based on the phase error value and to adjust the phase of the second modulated symbol based on the phase correction value.
Abstract translation: 接收机可以包括：符号接收器，被配置为以第一分辨率接收第一调制符号，然后以大于第一分辨率的第二分辨率接收第二调制符号; 输出路径，其耦合到所述符号接收器并且被配置为转发所述第一调制符号; 决定装置，其耦合到所述符号接收器并且被配置为确定由所述第一调制符号表示的最可能符号; 相位检测器，耦合到所述判决装置，并被配置为比较所述第一调制符号和最可能符号以产生相位误差值; 以及相位修改器，其耦合到所述判定装置，并且被配置为基于所述相位误差值确定相位校正值，并且基于所述相位校正值来调整所述第二调制符号的相位。
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公开(公告)号：US11581963B2
公开(公告)日：2023-02-14
申请号：US17724370
申请日：2022-04-19
Applicant: Aviat U.S., Inc.
Inventor： Gary Croke , Sergio Licardie , Robert Vilhar , Sreco Plevel , Marius Koegelenberg
IPC: H04B17/345 , H04B1/10
Abstract: An interference detection system comprises memory storing computer instructions to cause a processor to perform gathering a temporal snapshot of radio parameter values associated with a first site of a point-to-point radio system, the radio parameter values including at least a receive signal level (RSL) value and at least one other radio parameter value correlated with signal degradation; determining whether the RSL value is greater than an RSL threshold; determining whether the other radio parameter value indicates a threshold level of signal degradation; when the RSL is greater than the RSL threshold and the other parameter indicates a threshold level of signal degradation during the temporal snapshot, determining that external interference is present during the temporal snapshot; when the RSL is not greater than the RSL threshold, determining that the external interference is not present; and performing a responsive action to a determination of the external interference being likely present.
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公开(公告)号：US11005510B2
公开(公告)日：2021-05-11
申请号：US16705082
申请日：2019-12-05
Applicant: Aviat U.S., Inc.
Inventor： Sreco Plevel
Abstract: An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.
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公开(公告)号：US20190173504A1
公开(公告)日：2019-06-06
申请号：US16216818
申请日：2018-12-11
Applicant: Aviat U.S., Inc.
Inventor： Sreco Plevel
Abstract: An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.
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公开(公告)号：US10153798B2
公开(公告)日：2018-12-11
申请号：US15728472
申请日：2017-10-09
Applicant: Aviat U.S., Inc.
Inventor： Sreco Plevel
Abstract: An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.
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