Patents Assigned to Astrapi Corporation
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Publication number: 20210144033Abstract: Systems, devices, and methods of the present invention facilitate secure communication by altering the set of symbol waveforms that may be in use in particular symbol times defined herein as Symbol Waveform Hopping. SWH may be enabled by selecting two or more modulation formats that have sufficiently comparable communication performance (e.g., occupied bandwidth and signal power efficiency), but characterized by symbol waveform alphabet that include different symbol waveform, so that the overall transmission/communication performance of data stream in a signal transmission channel of the system is not significantly affected by switching between modulation formats. Some or all of the symbol waveforms in each alphabet may not be present in other alphabets.Type: ApplicationFiled: November 18, 2020Publication date: May 13, 2021Applicant: Astrapi CorporationInventor: Jerrold PROTHERO
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Publication number: 20210123959Abstract: Systems, devices, software, and methods of the present invention enable frequency-based signal power analyses in software suitable for signal with either stationary and non-stationary spectrums. The methods that may be used throughout various systems including transmitters receivers, repeater, controllers, monitors, etc. and in software simulators to enable various signal power calculations and analyses, such as frequency spectrum analysis, throughout operating systems and that may be consistently applied in system design and operation simulations in a wide range of applications, such as interference and spectrum monitoring or clearance, object tracking, transmission channel and noise analyses, radiated power analysis, signal boundary interference, satellite downlink signal identification, pulsed radar monitoring, audio detection and identification, etc.Type: ApplicationFiled: November 16, 2020Publication date: April 29, 2021Applicant: Astrapi CorporationInventors: Jerrold PROTHERO, Tanay Bhatt
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Patent number: 10979271Abstract: A method for waveform bandwidth compression (WBC) and a system configured to perform the method, which may include the steps of: processing information to produce an input sequence of real-valued amplitude signals; fitting a polynomial to the input sequence covering at least one transmission time interval; converting the polynomial to a transmission signal comprising a sum of sinusoids with continuously time-varying amplitudes; transmitting the transmission signal; and receiving the transmission signal as a time-amplitude sequence. This method may significantly improve the spectral efficiency of existing transmission systems, while at the same time requiring only minimal modification to traditional radio architecture design.Type: GrantFiled: May 23, 2017Date of Patent: April 13, 2021Assignee: Astrapi CorporationInventor: Jerrold Prothero
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Patent number: 10972322Abstract: Systems, devices, methods, and computer readable medium for transmitting data using polynomial-based signals. Data may be represented as a message polynomial and convolved with a reference polynomial to generate a transmission polynomial. The transmission polynomial may be converted in a set of sinusoidals with continuously-varying amplitude in a plurality of frequencies prior to transmission of a signal to a receiver. Following transmission, the signal is received and the amplitude values are mapped into bit sequences to recover the data.Type: GrantFiled: May 20, 2020Date of Patent: April 6, 2021Assignee: Astrapi CorporationInventor: Jerrold Prothero
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Patent number: 10931403Abstract: Systems, devices, and methods of the present invention facilitate secure communication by altering the set of symbol waveforms that may be in use in particular symbol times defined herein as Symbol Waveform Hopping. SWH may be enabled by selecting two or more modulation formats that have sufficiently comparable communication performance (e.g., occupied bandwidth and signal power efficiency), but characterized by symbol waveform alphabet that include different symbol waveform, so that the overall transmission/communication performance of the system is not significantly affected by switching between modulation formats. Some or all of the symbol waveforms in each alphabet may not be present in other alphabets.Type: GrantFiled: March 15, 2020Date of Patent: February 23, 2021Assignee: Astrapi CorporationInventor: Jerrold Prothero
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Publication number: 20210021453Abstract: Systems, devices, and methods of the present invention enhance data transmission through the use of polynomial symbol waveforms (PSW) and sets of PSWs corresponding to a symbol alphabet is here termed a PSW alphabet. Methods introduced here are based on modifying polynomial alphabet by changing the polynomial coefficients or roots of PSWs and/or shaping of the polynomial alphabet, such as by polynomial convolution, to produce a designed PSW alphabet including waveforms with improved characteristics for data transmission.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: Astrapi CorporationInventors: Jerrold PROTHERO, James J. STERLING
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Patent number: 10848364Abstract: Systems, devices, and methods of the present invention enhance data transmission through the use of polynomial symbol waveforms (PSW) and sets of PSWs corresponding to a symbol alphabet is here termed a PSW alphabet. Methods introduced here are based on modifying polynomial alphabet by changing the polynomial coefficients or roots of PSWs and/or shaping of the polynomial alphabet to produce a designed PSW alphabet including waveforms with improved characteristics for data transmission. In various embodiments, transmitter and receivers utilizing symbol waveforms based on a PSW alphabet designed may be in wireless and/or wired data transmission systems that may or may not include transmitters and receivers employing traditional modulation formats.Type: GrantFiled: January 6, 2020Date of Patent: November 24, 2020Assignee: Astrapi CorporationInventors: Jerrold Prothero, James J. Sterling
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Publication number: 20200366389Abstract: Systems, devices, software, and methods of the present invention enable frequency-based signal power analyses in software suitable for signal with either stationary and non-stationary spectrums. The methods that may be used throughout various systems including transmitters receivers, repeater, controllers, monitors, etc. and in software simulators to enable various signal power calculations and analyses, such as frequency spectrum analysis, throughout operating systems and that may be consistently applied in system design and operation simulations.Type: ApplicationFiled: March 15, 2020Publication date: November 19, 2020Applicant: Astrapi CorporationInventors: Jerrold PROTHERO, Tanay Bhatt
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Publication number: 20200366414Abstract: Systems, devices, and methods of the present invention facilitate secure communication by altering the set of symbol waveforms that may be in use in particular symbol times defined herein as Symbol Waveform Hopping. SWH may be enabled by selecting two or more modulation formats that have sufficiently comparable communication performance (e.g., occupied bandwidth and signal power efficiency), but characterized by symbol waveform alphabet that include different symbol waveform, so that the overall transmission/communication performance of the system is not significantly affected by switching between modulation formats. Some or all of the symbol waveforms in each alphabet may not be present in other alphabets.Type: ApplicationFiled: March 15, 2020Publication date: November 19, 2020Applicant: Astrapi CorporationInventor: Jerrold PROTHERO
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Publication number: 20200322205Abstract: A method for waveform bandwidth compression (WBC) and a system configured to perform the method, which may include the steps of: processing information to produce an input sequence of real-valued amplitude signals; fitting a polynomial to the input sequence covering at least one transmission time interval; converting the polynomial to a transmission signal comprising a sum of sinusoids with continuously time-varying amplitudes; transmitting the transmission signal; and receiving the transmission signal as a time-amplitude sequence. This method may significantly improve the spectral efficiency of existing transmission systems, while at the same time requiring only minimal modification to traditional radio architecture design.Type: ApplicationFiled: May 23, 2017Publication date: October 8, 2020Applicant: Astrapi CorporationInventor: Jerrold PROTHERO
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Publication number: 20200304353Abstract: Systems, devices, methods, and computer readable medium for transmitting data using polynomial-based signals. Data may be represented as a message polynomial and convolved with a reference polynomial to generate a transmission polynomial. The transmission polynomial may be converted in a set of sinusoidals with continuously-varying amplitude in a plurality of frequencies prior to transmission of a signal to a receiver. Following transmission, the signal is received and the amplitude values are mapped into bit sequences to recover the data.Type: ApplicationFiled: May 20, 2020Publication date: September 24, 2020Applicant: Astrapi CorporationInventor: Jerrold PROTHERO
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Publication number: 20200287772Abstract: Systems, devices, and methods of the present invention enhance data transmission through the use of polynomial symbol waveforms (PSW) and sets of PSWs corresponding to a symbol alphabet is here termed a PSW alphabet. Methods introduced here are based on modifying polynomial alphabet by changing the polynomial coefficients or roots of PSWs and/or shaping of the polynomial alphabet, such as by polynomial convolution, to produce a designed PSW alphabet including waveforms with improved characteristics for data transmission.Type: ApplicationFiled: January 6, 2020Publication date: September 10, 2020Applicant: Astrapi CorporationInventors: Jerrold PROTHERO, James J. STERLING
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Publication number: 20200220766Abstract: Systems, methods and devices for communicating comprise one or more of a computer-readable media, a computer, a satellite communication device and a mobile device, wherein the at least one of a computer-readable media, a computer, a satellite communication device and a mobile device to perform at least one of supplying data as input communication symbols to an encoder, which converts the input communication symbols into transmittable waveforms having a head function and a tail function, which are different. A transmitter transmits transmittable waveforms over a communication channel, which is received by a receiver, then demodulated and output communication symbols carrying the data to at least one of a user, a secondary computer-readable media, a secondary computer, a secondary satellite communication device and a secondary mobile device.Type: ApplicationFiled: March 19, 2020Publication date: July 9, 2020Applicant: Astrapi CorporationInventors: Jerrold PROTHERO, Nigel JONES
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Patent number: 10686635Abstract: A method for communicating using polynomial-based signals. In such a method, a set of basis polynomial functions used to generate waveforms may be identified, wherein each of the basis polynomial functions in the set of basis polynomial functions is orthogonal to each of the other basis polynomial functions in the set of basis polynomial functions in a coordinate space. The set of basis polynomial functions may be combined into a message polynomial. The message polynomial may be convolved with a reference polynomial to produce a transmission polynomial. From the transmission polynomial, a sequence of amplitude values may be generated. Finally, a signal may be transmitted based on the sequence of amplitude values, which may be further modified based on, for example, instantaneous spectral analysis. In some embodiments, orthogonal polynomials may include Chebyshev or Cairns polynomials.Type: GrantFiled: August 29, 2018Date of Patent: June 16, 2020Assignee: Astrapi CorporationInventor: Jerrold Prothero
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Patent number: 10250429Abstract: Methods for communicating are disclosed. A method includes obtaining at least one input communication symbol selected from a set of communication symbols, converting the at least one input communication symbol into at least one transmittable waveform using at least one defined spiral waveform function, and transmitting the at least one transmittable waveform over a communication channel. Example spiral waveform functions include spline-based piecewise functions and Archimedes spiral functions.Type: GrantFiled: January 12, 2018Date of Patent: April 2, 2019Assignee: Astrapi CorporationInventor: Jerrold Prothero
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Publication number: 20190013974Abstract: A method for communicating using polynomial-based signals. In such a method, a set of basis polynomial functions used to generate waveforms may be identified, wherein each of the basis polynomial functions in the set of basis polynomial functions is orthogonal to each of the other basis polynomial functions in the set of basis polynomial functions in a coordinate space. The set of basis polynomial functions may be combined into a message polynomial. The message polynomial may be convolved with a reference polynomial to produce a transmission polynomial. From the transmission polynomial, a sequence of amplitude values may be generated. Finally, a signal may be transmitted based on the sequence of amplitude values, which may be further modified based on, for example, instantaneous spectral analysis. In some embodiments, orthogonal polynomials may include Chebyshev or Cairns polynomials.Type: ApplicationFiled: August 29, 2018Publication date: January 10, 2019Applicant: Astrapi CorporationInventor: Jerrold PROTHERO
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Patent number: 10069664Abstract: A method for communicating using polynomial-based signals. In such a method, a set of basis polynomial functions used to generate waveforms may be identified, wherein each of the basis polynomial functions in the set of basis polynomial functions is orthogonal to each of the other basis polynomial functions in the set of basis polynomial functions in a coordinate space. The set of basis polynomial functions may be combined into a message polynomial. The message polynomial may be convolved with a reference polynomial to produce a transmission polynomial. From the transmission polynomial, a sequence of amplitude values may be generated. Finally, a signal may be transmitted based on the sequence of amplitude values, which may be further modified based on, for example, instantaneous spectral analysis. In some embodiments, orthogonal polynomials may include Chebyshev or Cairns polynomials.Type: GrantFiled: September 2, 2016Date of Patent: September 4, 2018Assignee: Astrapi CorporationInventor: Jerrold Prothero
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Publication number: 20180205592Abstract: Methods for communicating are disclosed. A method includes obtaining at least one input communication symbol selected from a set of communication symbols, converting the at least one input communication symbol into at least one transmittable waveform using at least one defined spiral waveform function, and transmitting the at least one transmittable waveform over a communication channel. Example spiral waveform functions include spline-based piecewise functions and Archimedes spiral functions.Type: ApplicationFiled: January 12, 2018Publication date: July 19, 2018Applicant: Astrapi CorporationInventor: Jerrold PROTHERO
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Patent number: 9942080Abstract: One exemplary embodiment can describe a method for communicating. This can include identifying a set of nonlinear functions used to generate waveforms; generating, a plurality of waveforms having substantially identical amplitudes and substantially identical phases, and designating this plurality of waveforms as a plurality of reference signals; encoding at least one bit of traffic data in an attribute of a waveform; selecting a reference symbol (“refbol”) that encodes the at least one bit of traffic data; transmitting the refbol as a waveform from a transmitter; receiving the refbol at a receiver; and decoding the refbol.Type: GrantFiled: November 18, 2015Date of Patent: April 10, 2018Assignee: Astrapi CorporationInventors: Jerrold Prothero, Nigel Jones
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Patent number: 9906395Abstract: Methods for communicating are disclosed. A method includes obtaining at least one input communication symbol selected from a set of communication symbols, converting the at least one input communication symbol into at least one transmittable waveform using at least one defined spiral waveform function, and transmitting the at least one transmittable waveform over a communication channel. Example spiral waveform functions include spline-based piecewise functions and Archimedes spiral functions.Type: GrantFiled: April 29, 2016Date of Patent: February 27, 2018Assignee: Astrapi CorporationInventor: Jerrold Prothero