Patents by Inventor Jiun-Hung Yu
Jiun-Hung Yu 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: 20240143791Abstract: The invention introduces an apparatus for detecting errors during data encryption. The apparatus includes a search circuitry and a substitution check circuitry. The key generation circuitry is arranged operably to convert a first value of one byte corresponding to a plaintext, an intermediate encryption result, or a round key into a second value of a K-bit according to an 8-to-K lookup table, where K is an integer ranging from 10 to 15 and the second value comprises (K minus 8) bits of a Hamming parity. The substitution check circuitry is arranged operably to employ check formulae corresponding to the 8-to-K lookup table to determine whether an error is occurred during a conversion of the first value of the one byte into the second value of the K-bit, and output an error signal when finding the error, where a total amount of the formulae is K minus 8.Type: ApplicationFiled: May 30, 2023Publication date: May 2, 2024Applicant: Silicon Motion, Inc.Inventors: Wun-Jhe WU, Po-Hung CHEN, Chiao-Wen CHENG, Jiun-Hung YU, Chih-Wei LIU
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Publication number: 20230198755Abstract: The invention introduces an apparatus for detecting errors during data encryption. The apparatus includes an encoding circuitry and an error detection circuitry. The encoding circuitry is arranged operably to realize an encryption algorithm including multiple rounds, in which of each round encodes plaintext or an intermediate encryption result with a round key. The error detection circuitry is arranged operably to: calculate redundant data corresponding to the intermediate encryption result; and output an error signal to a processing unit when finding that the intermediate encryption result does not match the redundant data at a check point during an encryption process.Type: ApplicationFiled: December 7, 2022Publication date: June 22, 2023Applicant: Silicon Motion, Inc.Inventors: Wun-Jhe WU, Po-Hung CHEN, Chiao-Wen CHENG, Jiun-Hung YU, Chih-Wei LIU
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Publication number: 20230198754Abstract: The invention introduces an apparatus for detecting errors during data encryption. The apparatus includes a key generation circuitry and a key-error detection circuitry. The key generation circuitry is arranged operably to realize a key expansion operation for generating multiple round keys based on a root key in an encryption algorithm, where the encryption algorithm encodes plaintext or an intermediate encryption result with one round key in a corresponding round. The error detection circuitry is arranged operably to: calculate redundant data corresponding to each round key; and output an error signal to a processing unit when finding that any round key does not match corresponding redundant data at a check point during the key expansion operation.Type: ApplicationFiled: December 7, 2022Publication date: June 22, 2023Applicant: Silicon Motion, Inc.Inventors: Wun-Jhe WU, Po-Hung CHEN, Chiao-Wen CHENG, Jiun-Hung YU, Chih-Wei LIU
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Patent number: 9136963Abstract: A wireless transmission method for broadcasting packets to a plurality of receiving devices includes: broadcasting a plurality of packets to the receiving devices, receiving signals transmitted from the receiving devices, generating a plurality of estimation results according to the signals transmitted from the receiving devices where each of the estimation results corresponds to a receiving quality while each of the receiving devices receives the packets, determining whether each of the receiving devices is suitable for receiving the packets according to each of the estimation results and a recipient condition and storing information of at least one of the receiving devices suitable for receiving the packets, and determining whether the at least one of the receiving devices needs to receive a broadcasted packet again according to the information and signals transmitted from the at least one of the receiving devices suitable for receiving the packets.Type: GrantFiled: January 22, 2008Date of Patent: September 15, 2015Assignee: REALTEK SEMICONDUCTOR CORP.Inventors: Kuang-Yu Yen, Jiun-Hung Yu, Der-Zheng Liu, Chung-Yao Chang
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Patent number: 8792575Abstract: A multiple-antenna receiver can enable and disable receive radio frequency front-end and analog front-end circuits of specific antenna receiving routes according to a predetermined scheme during the receive data phase. The predetermined scheme calculates signal quality indices of the receiving route antennas according to a preamble sequence, and derives the modulation and coding scheme and the number of spatial streams via the information provided by a header sequence. Indications of the signal quality indices are compared with threshold values to determine which receiving routes are to be turned on and which receiving routes are to be turned off.Type: GrantFiled: September 9, 2009Date of Patent: July 29, 2014Assignee: Realtek Semiconductor Corp.Inventors: Der-Zheng Liu, Jiun-Hung Yu, Kuang-Yu Yen
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Patent number: 7969162Abstract: The present invention is to provide a method and device of dynamically adjusting the operating voltage of a network integrated circuit including the steps of detecting and ranking the signal-to-noise ratio of N ports to single out a port for arbitration, dynamically controlling the operating voltage according to the signal-to-noise ratio of the port for arbitration, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a first threshold, increasing the operating voltage to a default operating voltage when the signal-to-noise ratio of the port for arbitration is smaller than the first threshold, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a second threshold, and increasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is smaller than the second threshold.Type: GrantFiled: October 28, 2010Date of Patent: June 28, 2011Assignee: Realtek Semiconductor Corp.Inventors: Chieh-Sheng Lee, Liang-Wei Huang, Jiun-Hung Yu, Shieh-Hsing Kuo
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Patent number: 7920656Abstract: The present invention relates to a method for searching a solution point of maximum-likelihood detection. The solution point locates at a symbol constellation. The method includes the following steps: determining a central point and a norm by a zero-forcing detection method; determining a searching range according to the central point and the norm; determining at least one qualified solution point according to the searching range; and determining the solution point of maximum-likelihood detection from the qualified solution points.Type: GrantFiled: December 16, 2005Date of Patent: April 5, 2011Assignee: Realtek Semiconductor Corp.Inventor: Jiun-Hung Yu
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Publication number: 20110043221Abstract: The present invention is to provide a method and device of dynamically adjusting the operating voltage of a network integrated circuit including the steps of detecting and ranking the signal-to-noise ratio of N ports to single out a port for arbitration, dynamically controlling the operating voltage according to the signal-to-noise ratio of the port for arbitration, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a first threshold, increasing the operating voltage to a default operating voltage when the signal-to-noise ratio of the port for arbitration is smaller than the first threshold, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a second threshold, and increasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is smaller than the second threshold.Type: ApplicationFiled: October 28, 2010Publication date: February 24, 2011Applicant: REALTEK SEMICONDUCTOR CORP.Inventors: Chieh-Sheng Lee, Liang-Wei Huang, Jiun-Hung Yu, Shieh-Hsing Kuo
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Patent number: 7839152Abstract: The present invention is to provide a method and device of dynamically adjusting the operating voltage of a network integrated circuit including the steps of detecting and ranking the signal-to-noise ratio of N ports to single out a port for arbitration, dynamically controlling the operating voltage according to the signal-to-noise ratio of the port for arbitration, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a first threshold, increasing the operating voltage to a default operating voltage when the signal-to-noise ratio of the port for arbitration is smaller than the first threshold, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a second threshold, and increasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is smaller than the second threshold.Type: GrantFiled: January 12, 2007Date of Patent: November 23, 2010Assignee: Realtek Semiconductor Corp.Inventors: Chieh-Sheng Lee, Liang-Wei Huang, Jiun-Hung Yu, Shieh-Hsing Kuo
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Publication number: 20100061489Abstract: A multiple-antenna receiver can enable and disable receive radio frequency front-end and analog front-end circuits of specific antenna receiving routes according to a predetermined scheme during the receive data phase. The predetermined scheme calculates signal quality indices of the receiving route antennas by means of a preamble sequence, and derives the modulation and coding scheme and the number of spatial streams via the information provided by a header sequence. Indications of the signal quality indices are compared with threshold values to determine which receiving routes are to be turned on and which receiving routes are to be turned off.Type: ApplicationFiled: September 9, 2009Publication date: March 11, 2010Inventors: Der-Zheng Liu, Jiun-Hung Yu, Kuang-Yu Yen
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Publication number: 20080280566Abstract: The invention provides a wireless communication apparatus with performance simulation function. The wireless communication apparatus includes a channel emulator and at least one noise generator; therefore a real transmission environment can be simulated inside the wireless communication apparatus to thereby accelerate the testing process. Moreover, as this invention sets a random noise generator in front of the FFT, an approximate AWGN effect will be generated when the wireless communication apparatus is under test.Type: ApplicationFiled: May 7, 2008Publication date: November 13, 2008Inventors: Kuang-Yu Yen, Jiun-Hung Yu, Der-Zheng Liu, Tsung-Chun Cheng, Yung-Ting Chen
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Publication number: 20080176509Abstract: A wireless transmission method for broadcasting packets to a plurality of receiving devices includes: broadcasting a plurality of packets to the receiving devices, receiving signals transmitted from the receiving devices, generating a plurality of estimation results according to the signals transmitted from the receiving devices where each of the estimation results corresponds to a receiving quality while each of the receiving devices receives the packets, determining whether each of the receiving devices is suitable for receiving the packets according to each of the estimation results and a recipient condition and storing information of at least one of the receiving devices suitable for receiving the packets, and determining whether the at least one of the receiving devices needs to receive a broadcasted packet again according to the information and signals transmitted from the at least one of the receiving devices suitable for receiving the packets.Type: ApplicationFiled: January 22, 2008Publication date: July 24, 2008Inventors: Kuang-Yu Yen, Jiun-Hung Yu, Der-Zheng Liu, Chung-Yao Chang
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Publication number: 20070167184Abstract: The present invention is to provide a method and device of dynamically adjusting the operating voltage of a network integrated circuit including the steps of detecting and ranking the signal-to-noise ratio of N ports to single out a port for arbitration, dynamically controlling the operating voltage according to the signal-to-noise ratio of the port for arbitration, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a first threshold, increasing the operating voltage to a default operating voltage when the signal-to-noise ratio of the port for arbitration is smaller than the first threshold, decreasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is greater than a second threshold, and increasing the operating voltage by a voltage unit when the signal-to-noise ratio of the port for arbitration is smaller than the second threshold.Type: ApplicationFiled: January 12, 2007Publication date: July 19, 2007Applicant: REALTEK SEMICONDUCTOR CORP.Inventors: Chieh-Sheng Lee, Liang-Wei Huang, Jiun-Hung Yu, Shieh-Hsing Kuo
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Publication number: 20060198470Abstract: The present invention relates to a method for searching a solution point of maximum-likelihood detection. The solution point locates at a symbol constellation. The method includes the following steps: determining a central point and a norm by a zero-forcing detection method; determining a searching range according to the central point and the norm; determining at least one qualified solution point according to the searching range; and determining the solution point of maximum-likelihood detection from the qualified solution points.Type: ApplicationFiled: December 16, 2005Publication date: September 7, 2006Inventor: Jiun-Hung Yu