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    • 2. 发明授权
    • Chirp communications
    • 啁啾通信
    • US08817843B2
    • 2014-08-26
    • US13525244
    • 2012-06-15
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/00
    • H04B1/713
    • A method for receiving a chirp signal at a receiver, the chirp signal communicated over a link from a transmitter, the chirp signal comprising at least one symbol, each symbol comprising a plurality of identical chirps, each chirp encoding a symbol value, the method comprising: determining a measure indicative of error in the received chirp signal; determining the number of coherent integrations and non-coherent integrations to apply per symbol in dependence on the indicated error; for each symbol, coherently and non-coherently integrating the plurality of chirps in accordance with the determined numbers so as to form an integrated symbol; and for each symbol, decoding the symbol value from the integrated symbol.
    • 一种用于在接收机处接收啁啾信号的方法,所述啁啾信号通过来自发射机的链路传送,所述啁啾信号包括至少一个符号,每个符号包括多个相同的啁啾,每个啁啾编码符号值,所述方法包括 :确定指示接收到的啁啾信号中的误差的度量; 根据指示的误差确定每个符号应用的相干积分和非相干积分的数量; 对于每个符号,根据确定的数字相干和非相干地整合多个啁啾,以便形成一个集成符号; 并且对于每个符号,从集成符号解码符号值。
    • 3. 发明授权
    • Chirp communications
    • 啁啾通信
    • US08718117B2
    • 2014-05-06
    • US13451493
    • 2012-04-19
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/00
    • H04B1/713H04L27/10H04L27/103
    • A transmitter configured to communicate a data chirp signal to a receiver, the chirp signal comprising at least one symbol, each symbol comprising one or more identical chirps, each symbol having a different gradient to another symbol in the chirp signal, each chirp encoding a symbol value, the transmitter comprising: an address encoding module configured to encode an address associated with the communication via the sequence of gradients of the symbols in the chirp signal; a data encoding module configured to encode data in the chirp signal via the symbol value of each chirp; and a transmitting module configured to transmit the data chirp signal to the receiver.
    • 一种被配置为将数据线性调频信号传送到接收机的发射机,所述啁啾信号包括至少一个符号,每个符号包括一个或多个相同的线性调频脉冲,每个符号具有与线性调频信号中的另一个符号不同的梯度,每个啁啾编码符号 所述发射机包括:地址编码模块,被配置为经由所述线性调频信号中的符号的梯度序列对与所述通信相关联的地址进行编码; 数据编码模块,被配置为经由每个啁啾的符号值对所述啁啾信号中的数据进行编码; 以及发送模块,被配置为将数据线性调频信号发送到接收机。
    • 4. 发明授权
    • Encrypting communications
    • 加密通信
    • US09319098B2
    • 2016-04-19
    • US13451512
    • 2012-04-19
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04L29/06H04B1/713H04L27/10
    • H04B1/713H04L27/10H04L27/103
    • A method of securely communicating a data chirp signal from a transmitter to a receiver, the chirp signal comprising at least one symbol, each symbol comprising one or more identical chirps, each chirp encoding a symbol value, the method comprising: negotiating between the transmitter and the receiver encryption parameters of the chirp signal, the encryption parameters defining at least one property of each symbol of the chirp signal; at the transmitter, encrypting the chirp signal as negotiated; at the transmitter, encoding data in the chirp signal via the symbol value of each chirp; and transmitting the encrypted and encoded chirp signal from the transmitter to the receiver.
    • 一种将数据线性调频信号从发射机安全地传送到接收机的方法,所述啁啾信号包括至少一个符号,每个符号包括一个或多个相同的啁啾,每个啁啾编码符号值,所述方法包括:在发射机和 啁啾信号的接收机加密参数,加密参数定义啁啾信号的每个符号的至少一个属性; 在发射机处,协商加密啁啾信号; 在发射机处,通过每个啁啾的符号值对啁啾信号中的数据进行编码; 并将加密和编码的啁啾信号从发射机发射到接收机。
    • 5. 发明授权
    • Chirp communications
    • 啁啾通信
    • US09065548B2
    • 2015-06-23
    • US13596435
    • 2012-08-28
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/00H04B1/69
    • H04B1/69H04B2001/6912H04J13/0062H04L1/0002H04L27/2607
    • A method of communicating a data chirp signal from a transmitter to a receiver, the data chirp signal including a sequence of symbols, each symbol encoding a first symbol value and a second symbol value such that the data chirp signal includes a first symbol value sequence and a second symbol value sequence, the first and second symbol values being encoded via different properties of the symbol, the first symbol value sequence being selected from values in a primary predetermined sequence and a secondary predetermined sequence, the method including: selecting consecutive values of the first symbol value sequence from values in consecutive sequence positions of the primary predetermined sequence and the secondary predetermined sequence; encoding first data in the chirp signal via the selected first symbol value sequence; encoding second data in the chirp signal via the second symbol value sequence; and transmitting the data chirp signal to the receiver.
    • 一种将数据线性调频信号从发射机传送到接收机的方法,所述数据线性调频脉冲信号包括码元序列,编码第一符号值的每个符号和第二符号值,使得数据线性调频信号包括第一符号值序列, 第二符号值序列,所述第一和第二符号值通过所述符号的不同属性进行编码,所述第一符号值序列选自主要预定序列和次要预定序列中的值,所述方法包括:选择所述第一符号值序列的连续值 第一符号值序列来自主要预定序列和辅助预定序列的连续序列位置中的值; 经由所选择的第一符号值序列对所述啁啾信号中的第一数据进行编码; 通过第二符号值序列对啁啾信号中的第二数据进行编码; 并将数据线性调频信号发送到接收机。
    • 6. 发明授权
    • Chirp data channel synchronisation
    • 啁啾数据通道同步
    • US08867588B2
    • 2014-10-21
    • US13602081
    • 2012-08-31
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/00H04B1/69
    • H04B1/69H04B2001/6912
    • An aspect of the invention is directed to a method for maintaining the synchronization of a receiver with a chirp signal sent over a link from a transmitter. The chirp signal comprises at least a first chirp having a gradient greater than one. The transmitter may encode data on to the signal by varying the properties of the chirps it transmits. The receiver correlates the received first chirp with an expected reference chirp to produce a set of correlation results. Should the gradient of the received chirp match the gradient of the expected reference chirp, then a distinct large “prompt” peak will be present having a greater magnitude than any other correlation peaks present in the correlation results. Transmitted data symbols may be inferred from properties of this prompt peak, for example its position in samples in the correlation results.
    • 本发明的一个方面涉及一种用于通过来自发射机的链路发送的啁啾信号来维持接收机的同步的方法。 啁啾信号至少包括具有大于1的梯度的第一啁啾声。 发射机可以通过改变其发射的啁啾的属性来将数据编码到信号上。 接收器将接收的第一啁啾与预期的参考线性调频相关联,以产生一组相关结果。 如果接收到的啁啾的梯度与期望的参考线性调频脉冲的梯度相匹配,则将存在具有比在相关结果中存在的任何其它相关峰值更大的幅度的不同大的“提示”峰值。 传输的数据符号可以从该提示峰的属性推断,例如其在相关结果中的样本中的位置。
    • 7. 发明授权
    • Chirp receiver
    • 啁啾接收器
    • US08675710B2
    • 2014-03-18
    • US13597062
    • 2012-08-28
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/00
    • H04B1/69H04B2001/6912
    • A method of synchronizing the frequency and timing of a receiver with a synchronization chirp signal from a transmitter, comprising: receiving the synchronization chirp signal, the synchronization chirp signal comprising a sequence of symbols, the sequence of symbols including at least a first symbol having a first gradient g1 and a second symbol having a second gradient g2, wherein the magnitudes of the first gradient and the second gradient are both greater than one, and the magnitude of the first gradient is different to the magnitude of the second gradient; correlating the sequence of received symbols with expected symbols to form a correlator output; determining timing and frequency offsets between the transmitter and the receiver from the correlator output; and adjusting the timing and frequency of the receiver by the determined timing and frequency offsets.
    • 一种使接收机的频率和定时与来自发射机的同步线性调频信号同步的方法,包括:接收所述同步线性调频信号,所述同步线性调频脉冲信号包括符号序列,所述符号序列至少包括具有 第一梯度g1和具有第二梯度g2的第二符号,其中第一梯度和第二梯度的大小都大于1,并且第一梯度的幅度不同于第二梯度的幅度; 将接收符号的序列与预期符号相关联以形成相关器输出; 从相关器输出确定发射机和接收机之间的定时和频率偏移; 以及通过确定的定时和频率偏移来调整接收机的定时和频率。
    • 8. 发明申请
    • Chirp Communications
    • 啁啾通讯
    • US20120320950A1
    • 2012-12-20
    • US13525244
    • 2012-06-15
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/69
    • H04B1/713
    • A method for receiving a chirp signal at a receiver, the chirp signal communicated over a link from a transmitter, the chirp signal comprising at least one symbol, each symbol comprising a plurality of identical chirps, each chirp encoding a symbol value, the method comprising: determining a measure indicative of error in the received chirp signal; determining the number of coherent integrations and non-coherent integrations to apply per symbol in dependence on the indicated error; for each symbol, coherently and non-coherently integrating the plurality of chirps in accordance with the determined numbers so as to form an integrated symbol; and for each symbol, decoding the symbol value from the integrated symbol.
    • 一种用于在接收机处接收啁啾信号的方法,所述啁啾信号通过来自发射机的链路传送,所述啁啾信号包括至少一个符号,每个符号包括多个相同的啁啾,每个啁啾编码符号值,所述方法包括 :确定指示接收到的啁啾信号中的误差的度量; 根据指示的误差确定每个符号应用的相干积分和非相干积分的数量; 对于每个符号,根据确定的数字相干和非相干地整合多个啁啾,以便形成一个集成符号; 并且对于每个符号,从集成符号解码符号值。
    • 10. 发明申请
    • Chirp Communications
    • 啁啾通讯
    • US20120269233A1
    • 2012-10-25
    • US13451505
    • 2012-04-19
    • Paul Dominic Hiscock
    • Paul Dominic Hiscock
    • H04B1/69
    • H04B1/713H04L27/10H04L27/103
    • A method for receiving chirp signals at a receiver device according to a protocol in which each chirp signal has a gradient known to the receiver device, the method comprising: receiving a chirp signal having a first gradient g; generating a reference chirp signal having a second gradient g′, wherein the second gradient g′ differs from the first gradient g by a fixed value v; multiplying the reference chirp signal and the received chirp signal so as to form a mixed chirp signal; and detecting the received chirp signal by correlating the mixed chirp signal with a fixed gradient correlating chirp signal.
    • 一种用于根据协议在接收机设备处接收啁啾信号的方法,其中每个啁啾信号具有接收机设备已知的梯度,该方法包括:接收具有第一梯度g的线性调频信号; 生成具有第二梯度g'的参考线性调频信号,其中第二梯度g'与第一梯度g不同固定值v; 乘以基准线性调频脉冲信号和接收线性调频脉冲信号,形成混合啁啾信号; 以及通过将混合啁啾信号与固定梯度相关啁啾信号相关联来检测接收到的啁啾信号。