Patents by Inventor Mohammad Javad Abdoli
Mohammad Javad Abdoli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9853770Abstract: System and method embodiments are provided for a receiver for circularly convolved signals. In an embodiment, a universal decoder for a circularly convolved signal includes a first decoder configured to decode the circularly convolved signal; a second decoder configured to decode a plurality of symbol lengths signal from a first portion of the circularly convolved signal, wherein the plurality of symbol lengths signal is time aligned with the circularly convolved signal before passing through the second decoder; and an adder component configured to sum a first decoder output coming from the first decoder and a second decoder output coming from the second decoder to produce a symbol value from which a log likelihood ratio (LLR) output is obtained.Type: GrantFiled: November 19, 2015Date of Patent: December 26, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ming Jia, Mohammad Javad Abdoli, Jianglei Ma
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Patent number: 9544032Abstract: In one embodiment, a method for transmitting data in a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM)-offset quadrature amplitude modulation (OQAM) system includes selecting a precoding matrix in accordance with a projection of the precoding matrix on a precoding space and generating a precoded modulated pulse shape by applying the precoding matrix to a data vector and a pulse shape. The method also includes transmitting, by a first device to a second device, the precoded modulated pulse shape.Type: GrantFiled: November 20, 2014Date of Patent: January 10, 2017Assignee: Huawei Technologies Canada Co., Ltd.Inventors: Ioannis Psaromiligkos, Ivan Tinjaca, Mohammad Javad Abdoli
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Publication number: 20160269212Abstract: Embodiments are provided for guard band utilization for synchronous and asynchronous communications in wireless networks. A user equipment (UE) or a network component transmits symbols on data bands assigned for primary communications. The data bands are separated by a guard band having smaller bandwidth than the data bands. The UE or network component further modulates symbols for secondary communications with a spectrally contained wave form, which has a smaller bandwidth than the guard band. The spectrally contained wave form is achieved with orthogonal frequency-division multiplexing (OFDM) modulation or with joint OFDM and Offset Quadrature Amplitude Modulation (OQAM) modulation. The modulated symbols for the secondary communications are transmitted within the guard band.Type: ApplicationFiled: May 20, 2016Publication date: September 15, 2016Inventors: Usa Vilaipornsawai, Mohammad Javad Abdoli, Jianglei Ma, Ming Jia
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Publication number: 20160149623Abstract: In one embodiment, a method for transmitting data in a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM)-offset quadrature amplitude modulation (OQAM) system includes selecting a precoding matrix in accordance with a projection of the precoding matrix on a precoding space and generating a precoded modulated pulse shape by applying the precoding matrix to a data vector and a pulse shape. The method also includes transmitting, by a first device to a second device, the precoded modulated pulse shape.Type: ApplicationFiled: November 20, 2014Publication date: May 26, 2016Inventors: Ioannis Psaromiligkos, Ivan Tinjaca, Mohammad Javad Abdoli
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Publication number: 20160105258Abstract: System and method embodiments are provided for a receiver for circularly convolved signals. In an embodiment, a universal decoder for a circularly convolved signal includes a first decoder configured to decode the circularly convolved signal; a second decoder configured to decode a plurality of symbol lengths signal from a first portion of the circularly convolved signal, wherein the plurality of symbol lengths signal is time aligned with the circularly convolved signal before passing through the second decoder; and an adder component configured to sum a first decoder output coming from the first decoder and a second decoder output coming from the second decoder to produce a symbol value from which a log likelihood ratio (LLR) output is obtained.Type: ApplicationFiled: November 19, 2015Publication date: April 14, 2016Inventors: Ming Jia, Mohammad Javad Abdoli, Jianglei Ma
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Patent number: 9209936Abstract: System and method embodiments are provided for a receiver for circularly convolved signals. In an embodiment, a universal decoder for a circularly convolved signal includes a first decoder configured to decode the circularly convolved signal; a second decoder configured to decode a plurality of symbol lengths signal from a first portion of the circularly convolved signal, wherein the plurality of symbol lengths signal is time aligned with the circularly convolved signal before passing through the second decoder; and an adder component configured to sum a first decoder output coming from the first decoder and a second decoder output coming from the second decoder to produce a symbol value from which a log likelihood ratio (LLR) output is obtained.Type: GrantFiled: October 10, 2014Date of Patent: December 8, 2015Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ming Jia, Mohammad Javad Abdoli, Jianglei Ma
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Publication number: 20150349996Abstract: Embodiments are provided for guard band utilization for synchronous and asynchronous communications in wireless networks. A user equipment (UE) or a network component transmits symbols on data bands assigned for primary communications. The data bands are separated by a guard band having smaller bandwidth than the data bands. The UE or network component further modulates symbols for secondary communications with a spectrally contained wave form, which has a smaller bandwidth than the guard band. The spectrally contained wave form is achieved with orthogonal frequency-division multiplexing (OFDM) modulation or with joint OFDM and Offset Quadrature Amplitude Modulation (OQAM) modulation. The modulated symbols for the secondary communications are transmitted within the guard band.Type: ApplicationFiled: August 7, 2015Publication date: December 3, 2015Inventors: Usa Vilaipornsawai, Mohammad Javad Abdoli, Jianglei Ma, Ming Jia
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Patent number: 9172577Abstract: A method for performing orthogonal frequency division multiplexing (OFDM)/offset quantization amplitude modulation (OQAM) includes obtaining a data burst. The method includes performing weighted circularly convolved filtering modulation on the data burst to produce an output signal. The method further includes a first wireless device transmitting the output signal to a second wireless device. The second wireless device receives an input signal from the first wireless device, and the second wireless devices performs weighted circularly convolved demodulation filtering on the input signal to produce the data burst.Type: GrantFiled: September 24, 2013Date of Patent: October 27, 2015Assignee: Futurewei Technologies, Inc.Inventors: Mohammad-Javad Abdoli, Ming Jia, Jianglei Ma
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Publication number: 20150280886Abstract: Various disclosed embodiments include methods and systems for communication in a wireless communication system. A method comprises receiving a signal corresponding to a plurality of modulated signals, each of the plurality of modulated signals corresponding to a unique electronic device. The method comprises filtering the received signal with a plurality of filters, each of which is matched to a corresponding filter in a respective electronic device to obtain a filtered signal for the respective electronic device. The method comprises performing a fast Fourier transform (FFT) operation on the filtered signal to obtain demodulated data corresponding to the respective electronic device.Type: ApplicationFiled: March 31, 2014Publication date: October 1, 2015Applicant: Futurewei Technologies Inc.Inventors: Mohammad Javad Abdoli, Ming Jia, Jianglei Ma
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Publication number: 20150282008Abstract: A method for operating a machine-type device (MTD) includes determining communications requirements for a machine-type device (MTD), and assigning a first signal waveform selected from a plurality of signal waveforms to the MTD in accordance with the determined communications requirements, wherein each signal waveform has an associated characteristic signal bandwidth.Type: ApplicationFiled: March 27, 2014Publication date: October 1, 2015Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventors: Yu Cao, Ming Jia, Jianglei Ma, Mohammad Javad Abdoli
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Publication number: 20150270827Abstract: A method of designing a truncated filter includes designing a prototype filter with a target frequency response, and selecting a soft truncation function with a roll-off parameter specifying a rate in which the soft truncation function transitions to zero. The method also includes applying the soft truncation function to the prototype filter to produce a truncated filter, and storing the truncated filter to a memory.Type: ApplicationFiled: March 21, 2014Publication date: September 24, 2015Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventors: Mohammad Javad Abdoli, Ming Jia, Jianglei Ma
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Publication number: 20150263822Abstract: A method for operating a receiving device includes determining reliability ratings for undecoded data streams in a received transmission, selecting an undecoded data stream in the received transmission in accordance with the determined reliability ratings, thereby producing a selected data stream, and decoding the selected data stream with a decoding trellis, thereby producing a data symbol. The method also includes updating the decoding trellis in accordance with the data symbol, and repeating the selecting, the decoding, and the updating for remaining undecoded data streams in the received transmission.Type: ApplicationFiled: March 14, 2014Publication date: September 17, 2015Applicant: FutureWei Technologies, Inc.Inventors: Mohammad Javad Abdoli, Ming Jia
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Patent number: 9137074Abstract: Embodiments are provided for guard band utilization for synchronous and asynchronous communications in wireless networks. A user equipment (UE) or a network component transmits symbols on data bands assigned for primary communications. The data bands are separated by a guard band having smaller bandwidth than the data bands. The UE or network component further modulates symbols for secondary communications with a spectrally contained wave form, which has a smaller bandwidth than the guard band. The spectrally contained wave form is achieved with orthogonal frequency-division multiplexing (OFDM) modulation or with joint OFDM and Offset Quadrature Amplitude Modulation (OQAM) modulation. The modulated symbols for the secondary communications are transmitted within the guard band.Type: GrantFiled: February 13, 2014Date of Patent: September 15, 2015Assignee: Futurewei Technologies, Inc.Inventors: Usa Vilaipornsawai, Mohammad Javad Abdoli, Jianglei Ma, Ming Jia
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Publication number: 20150229502Abstract: Embodiments are provided for guard band utilization for synchronous and asynchronous communications in wireless networks. A user equipment (UE) or a network component transmits symbols on data bands assigned for primary communications. The data bands are separated by a guard band having smaller bandwidth than the data bands. The UE or network component further modulates symbols for secondary communications with a spectrally contained wave form, which has a smaller bandwidth than the guard band. The spectrally contained wave form is achieved with orthogonal frequency-division multiplexing (OFDM) modulation or with joint OFDM and Offset Quadrature Amplitude Modulation (OQAM) modulation. The modulated symbols for the secondary communications are transmitted within the guard band.Type: ApplicationFiled: February 13, 2014Publication date: August 13, 2015Applicant: FutureWei Technologies, Inc.Inventors: Usa Vilaipornsawai, Mohammad Javad Abdoli, Jianglei Ma, Ming Jia
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Patent number: 9100255Abstract: A unified frame structure for filter bank multi-carrier (FBMC) and orthogonal frequency division multiplexed (OFDM) waveforms may allow FBMC and OFDM frames to be communicated over a common channel without significant inter-frame gaps. The unified frame structure may set an FBMC frame duration to an integer multiple of an OFDM frame element duration to enable alignment of FBMC frames and OFDM frames in the time domain. The unified frame structure may also map control channels in the FBMC and OFDM frames to common resource locations so that the respective control channels are aligned in the time and/or frequency domains. The unified frame structure may also share synchronization channels between FBMC and OFDM frames. Additionally, overhead in an FBMC time division duplexed (TDD) communications channel can be reduced by overlapping time windows appended to FBMC blocks.Type: GrantFiled: February 19, 2014Date of Patent: August 4, 2015Assignee: Futurewei Technologies, Inc.Inventors: Mohammad Javad Abdoli, Ming Jia, Jianglei Ma
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Publication number: 20140233437Abstract: A unified frame structure for filter bank multi-carrier (FBMC) and orthogonal frequency division multiplexed (OFDM) waveforms may allow FBMC and OFDM frames to be communicated over a common channel without significant inter-frame gaps. The unified frame structure may set an FBMC frame duration to an integer multiple of an OFDM frame element duration to enable alignment of FBMC frames and OFDM frames in the time domain. The unified frame structure may also map control channels in the FBMC and OFDM frames to common resource locations so that the respective control channels are aligned in the time and/or frequency domains. The unified frame structure may also share synchronization channels between FBMC and OFDM frames. Additionally, overhead in an FBMC time division duplexed (TDD) communications channel can be reduced by overlapping time windows appended to FBMC blocks.Type: ApplicationFiled: February 19, 2014Publication date: August 21, 2014Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventors: Mohammad Javad Abdoli, Ming Jia, Jianglei Ma
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Publication number: 20140233664Abstract: A method for performing orthogonal frequency division multiplexing (OFDM)/offset quantization amplitude modulation (OQAM) includes obtaining a data burst. The method includes performing weighted circularly convolved filtering modulation on the data burst to produce an output signal. The method further includes a first wireless device transmitting the output signal to a second wireless device. The second wireless device receives an input signal from the first wireless device, and the second wireless devices performs weighted circularly convolved demodulation filtering on the input signal to produce the data burst.Type: ApplicationFiled: September 24, 2013Publication date: August 21, 2014Applicant: FutureWei Technologies, Inc.Inventors: Mohammad-Javad Abdoli, Jia Ming, Jianglei Ma