Patents by Inventor Hemanth Palally
Hemanth Palally 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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Publication number: 20240121725Abstract: A method for providing uplink link adaptation in 5G base stations is presented.Type: ApplicationFiled: December 12, 2023Publication date: April 11, 2024Inventor: Hemanth Palally
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Patent number: 11877248Abstract: Methods and computer software are disclosed for determining a power budget for physical channels in a system. The method may include, obtaining a mean and variance of a previously computed power component; determining an estimate of a current power component in a current frame based on the mean and variance of the previously computed power component; and computing a power budget in a current frame using the estimate of the current power component.Type: GrantFiled: November 2, 2021Date of Patent: January 16, 2024Assignee: Parallel Wireless, Inc.Inventors: Hemanth Palally, Biswajeet Kumar
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Patent number: 11863241Abstract: A method and system for performing Over-The-Air (OTA) testing for 5G New Radio (NR) beamforming is presented. In one embodiment the method includes transmitting, by only the User Equipments (UEs) U and Sx, the Orthogonal Frequency Division Multiplexing (OFDM) symbols containing UL Demodulation Reference Signal (DMRS) that are orthogonal to each other during Uplink (UL) subframes; performing, by a gNB, channel estimation in the same UL subframe, precoding matrix computation, and antenna elements weighting coefficient computations; transmitting, by the gNB in a subsequent Downlink (DL) subframe, known data streams to UEs U and Sx using the massive MU-MIMO beamforming coefficients; collecting by the host PC, the IQ samples from the UE U and all the victim UEs Vx in the DL subframe; and evaluating a performance of the beam that was meant for UE U.Type: GrantFiled: April 21, 2021Date of Patent: January 2, 2024Assignee: Parallel Wireless, Inc.Inventor: Hemanth Palally
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Patent number: 11844030Abstract: A method for providing uplink link adaptation in 5G base stations is presented.Type: GrantFiled: April 2, 2021Date of Patent: December 12, 2023Assignee: Parallel Wireless, Inc.Inventor: Hemanth Palally
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Publication number: 20220132437Abstract: Methods and computer software are disclosed for determining a power budget for physical channels in a system. The method may include, obtaining a mean and variance of a previously computed power component; determining an estimate of a current power component in a current frame based on the mean and variance of the previously computed power component; and computing a power budget in a current frame using the estimate of the current power component.Type: ApplicationFiled: November 2, 2021Publication date: April 28, 2022Inventors: Hemanth Palally, Biswajeet Kumar
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Publication number: 20220030535Abstract: Systems, methods and computer software are disclosed for providing high resolution timing advance estimation based on Physical Random Access Channel (PRACH). An example method includes receiving a preamble signal r(n) having a predetermined sampling frequency and a predetermined length; correlating a down sampled version of the received preamble with a reference preamble sequence c(n) using an FFT method to provide correlation output Ryc; using a peak value P of the correlation output Ryc to detect a preamble ID and a timing advance at a resolution of 24 Ts; zero padding sequences Y(k) and C(k) so that they have a predetermined length resulting in sequences Y_hat(k) and C_hat(k), which are 1024-point FFT of y(n) and c(n); performing a maximum likelihood estimation (MLE) to estimate a timing offset; and detecting a peak value out of the R_hat(m) and using a corresponding index Q to provide a timing advance with an accuracy of 2 Ts.Type: ApplicationFiled: October 5, 2021Publication date: January 27, 2022Inventors: Hemanth Palally, Saikat Senapati, Somasekhar Pemmasani
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Patent number: 11166240Abstract: Methods and computer software are disclosed for determining a power budget for physical channels in a system. The method may include, obtaining a mean and variance of a previously computed power component; determining an estimate of a current power component in a current frame based on the mean and variance of the previously computed power component; and computing a power budget in a current frame using the estimate of the current power component.Type: GrantFiled: January 24, 2020Date of Patent: November 2, 2021Assignee: Parallel Wireless, Inc.Inventors: Hemanth Palally, Biswajeet Kumar
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Publication number: 20210328691Abstract: A method and system for performing Over-The-Air (OTA) testing for 5G New Radio (NR) beamforming is presented. In one embodiment the method includes transmitting, by only the User Equipments (UEs) U and Sx, the Orthogonal Frequency Division Multiplexing (OFDM) symbols containing UL Demodulation Reference Signal (DMRS) that are orthogonal to each other during Uplink (UL) subframes; performing, by a gNB, channel estimation in the same UL subframe, precoding matrix computation, and antenna elements weighting coefficient computations; transmitting, by the gNB in a subsequent Downlink (DL) subframe, known data streams to UEs U and Sx using the massive MU-MIMO beamforming coefficients; collecting by the host PC, the IQ samples from the UE U and all the victim UEs Vx in the DL subframe; and evaluating a performance of the beam that was meant for UE U.Type: ApplicationFiled: April 21, 2021Publication date: October 21, 2021Inventor: Hemanth Palally
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Publication number: 20210314880Abstract: A method for providing uplink link adaptation in 5G base stations is presented.Type: ApplicationFiled: April 2, 2021Publication date: October 7, 2021Inventor: Hemanth Palally
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Patent number: 11140647Abstract: Systems, methods and computer software are disclosed for providing high resolution timing advance estimation based on Physical Random Access Channel (PRACH). An example method includes receiving a preamble signal r(n) having a predetermined sampling frequency and a predetermined length; correlating a down sampled version of the received preamble with a reference preamble sequence c(n) using an FFT method to provide correlation output Ryc; using a peak value P of the correlation output Ryc to detect a preamble ID and a timing advance at a resolution of 24Ts; zero padding sequences Y(k) and C(k) so that they have a predetermined length resulting in sequences Y_hat(k) and C_hat(k), which are 1024-point FFT of y(n) and c(n); performing a maximum likelihood estimation (MLE) to estimate a timing offset; and detecting a peak value out of the R_hat(m) and using a corresponding index Q to provide a timing advance with an accuracy of 2Ts.Type: GrantFiled: September 19, 2019Date of Patent: October 5, 2021Assignee: Parallel Wireless, Inc.Inventors: Hemanth Palally, Saikat Senapati, Somasekhar Pemmasani
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Patent number: 11102044Abstract: Systems, methods and computer software are disclosed for providing high resolution timing advance estimation based on Physical Random Access Channel (PRACH). An example method includes receiving a preamble signal r(n); performing signal conditioning on r(n); down sampling the signal and performing antialiasing filtering to provide a y(n) signal; correlating y(n) with a reference preamble with a reference preamble sequence c(n) to provide correlation output Ryc; using a peak value P of the correlation output Ryc to detect a preamble ID and a timing advance; constructing a sequence s(n) by segmenting r_centered(n) for length L around an index P*24; performing time domain interpolation of c(n) around index P to obtain a sequence c_interpolated(n); performing time domain interpolation between sequences s(n) and c_interpolated(n); detecting a peak position Q of the correlation; and deriving TA as P*24?L/2+q in terms of Ts.Type: GrantFiled: September 25, 2019Date of Patent: August 24, 2021Assignee: Parallel Wireless, Inc.Inventors: Hemanth Palally, Saikat Senapati, Somasekhar Pemmasani, Ramesh Annavajjala
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Publication number: 20200245262Abstract: Methods and computer software are disclosed for determining a power budget for physical channels in a system. The method may include, obtaining a mean and variance of a previously computed power component; determining an estimate of a current power component in a current frame based on the mean and variance of the previously computed power component; and computing a power budget in a current frame using the estimate of the current power component.Type: ApplicationFiled: January 24, 2020Publication date: July 30, 2020Inventors: Hemanth Palally, Biswajeet Kumar
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Publication number: 20200099565Abstract: Systems, methods and computer software are disclosed for providing high resolution timing advance estimation based on Physical Random Access Channel (PRACH). An example method includes receiving a preamble signal r(n); performing signal conditioning on r(n); down sampling the signal and performing antialiasing filtering to provide a y(n) signal; correlating y(n) with a reference preamble with a reference preamble sequence c(n) to provide correlation output Ryc; using a peak value P of the correlation output Ryc to detect a preamble ID and a timing advance; constructing a sequence s(n) by segmenting r_centered(n) for length L around an index P*24; performing time domain interpolation of c(n) around index P to obtain a sequence c_interpolated(n); performing time domain interpolation between sequences s(n) and c_interpolated(n); detecting a peak position Q of the correlation; and deriving TA as P*24?L/2+q in terms of Ts.Type: ApplicationFiled: September 25, 2019Publication date: March 26, 2020Inventors: Hemanth Palally, Saikat Senapati, Somasekhar Pemmasani, Ramesh Annavajjala
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Publication number: 20200092835Abstract: Systems, methods and computer software are disclosed for providing high resolution timing advance estimation based on Physical Random Access Channel (PRACH). An example method includes receiving a preamble signal r(n) having a predetermined sampling frequency and a predetermined length; correlating a down sampled version of the received preamble with a reference preamble sequence c(n) using an FFT method to provide correlation output Ryc; using a peak value P of the correlation output Ryc to detect a preamble ID and a timing advance at a resolution of 24Ts; zero padding sequences Y(k) and C(k) so that they have a predetermined length resulting in sequences Y_hat(k) and C_hat(k), which are 1024-point FFT of y(n) and c(n); performing a maximum likelihood estimation (MLE) to estimate a timing offset; and detecting a peak value out of the R_hat(m) and using a corresponding index Q to provide a timing advance with an accuracy of 2Ts.Type: ApplicationFiled: September 19, 2019Publication date: March 19, 2020Inventors: Hemanth Palally, Saikat Senapati, Somasekhar Pemmasani