Patents by Inventor Shiwei NIE
Shiwei NIE 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: 12214393Abstract: The present invention provides magnesium or magnesium alloys having high formability at room temperature, the magnesium or magnesium alloys having a grain size ?2 microns. The present invention also provides a method for manufacturing the magnesium or magnesium alloys having high formability at room temperature. The magnesium or magnesium alloys having high formability at room temperature are prepared by simple processing means. The present invention overcomes a problem of poor formability at room temperature.Type: GrantFiled: September 21, 2018Date of Patent: February 4, 2025Assignees: BAOSHAN IRON & STEEL CO., LTD., CHINA BAOWU STEEL GROUP CORP., LTD.Inventors: Jianfeng Nie, Zhuoran Zeng, Shiwei Xu, Nick Birbilis, Christopher H. J. Davies, Weineng Tang
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Patent number: 12149337Abstract: An upstream resource grant method, a device, a passive optical network, and a computer-readable storage medium are provided. The upstream resource grant method includes: obtaining, by an optical line terminal, an upstream grant message on which transformation processing has been performed, wherein a transformation parameter used for the transformation processing includes a physical identity of an optical network unit (ONU); and sending, by the optical line terminal, the upstream grant message on which the transformation processing has been performed, wherein the upstream grant message carries an upstream resource grant indication of the optical network unit, and the upstream resource grant indication indicates an upstream resource granted to the optical network unit. According to this application, an occurrence probability of a rogue ONU phenomenon is reduced, thereby improving service running stability of a PON system.Type: GrantFiled: May 27, 2022Date of Patent: November 19, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xuming Wu, Shiwei Nie, Xiaofei Zeng, Dekun Liu, Gang Zheng, Jun Zhou
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Publication number: 20240283566Abstract: A data processing method and a device, the method including determining, by an optical network unit, in a received data stream, after the optical network unit enters a pre-synchronization state, a position of a forward error correction (FEC) codeword boundary in the data stream based on a position of a physical synchronization sequence (Psync) field, performing an FEC codeword decoding check, where the Psync field is a field that matches a preset Psync, in the data stream, and entering, by the optical network unit, a synchronization state in response to an FEC codeword among N consecutive FEC codewords in the data stream passing the decoding check, where N is an integer greater than or equal to 1.Type: ApplicationFiled: April 30, 2024Publication date: August 22, 2024Inventors: Xuming Wu, Shiwei Nie, Xu Wang
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Patent number: 12009918Abstract: A data processing method and a device, the method including determining, by an optical network unit, in a received data stream, after the optical network unit enters a pre-synchronization state, a position of a forward error correction (FEC) codeword boundary in the data stream based on a position of a physical synchronization sequence (Psync) field, performing an FEC codeword decoding check, where the Psync field is a field that matches a preset Psync, in the data stream, and entering, by the optical network unit, a synchronization state in response to an FEC codeword among N consecutive FEC codewords in the data stream passing the decoding check, where N is an integer greater than or equal to 1.Type: GrantFiled: September 8, 2022Date of Patent: June 11, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xuming Wu, Shiwei Nie, Xu Wang
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Patent number: 11936430Abstract: Embodiments of this application disclose a board, an optical module, a media access control (MAC) chip, a digital signal processor (DSP), and an information processing method. The board in the embodiments of this application includes a MAC chip, a DSP, and an equalizer. The MAC chip is configured to send first information to the DSP at an optical network unit (ONU) online stage, where the first information includes a first ONU identifier. The DSP is configured to receive the first information, and determine a first reference equalization parameter, where the first reference equalization parameter is related to the first ONU identifier. The DSP is further configured to set an equalization parameter of the equalizer to the first reference equalization parameter.Type: GrantFiled: December 13, 2022Date of Patent: March 19, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Zhou, Shiwei Nie, Shengping Li, Bo Gao
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Publication number: 20230155732Abstract: In an embodiment a method includes generating a raw data frame, wherein the raw data frame includes a physical synchronization block (PSB) and raw data, generating a preload pattern based on a target bit, wherein the target bit is a part of bits in a superframe counter (SFC) value corresponding to the raw data frame and scrambling the raw data based on the preload pattern to obtain target data.Type: ApplicationFiled: January 19, 2023Publication date: May 18, 2023Inventors: Xu Wang, Xuming Wu, Shiwei Nie
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Publication number: 20230116204Abstract: Embodiments of this application disclose a board, an optical module, a media access control (MAC) chip, a digital signal processor (DSP), and an information processing method. The board in the embodiments of this application includes a MAC chip, a DSP, and an equalizer. The MAC chip is configured to send first information to the DSP at an optical network unit (ONU) online stage, where the first information includes a first ONU identifier. The DSP is configured to receive the first information, and determine a first reference equalization parameter, where the first reference equalization parameter is related to the first ONU identifier. The DSP is further configured to set an equalization parameter of the equalizer to the first reference equalization parameter.Type: ApplicationFiled: December 13, 2022Publication date: April 13, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Zhou, Shiwei Nie, Shengping Li, Bo Gao
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Patent number: 11558118Abstract: Embodiments of this application disclose a board, an optical module, a MAC chip, a DSP, and an information processing method. The board in the embodiments of this application includes a media access control (MAC) chip, a digital signal processor (DSP), and an equalizer. The MAC chip is configured to send first information to the DSP at an optical network unit (ONU) online stage, where the first information includes a first ONU identifier. The DSP is configured to receive the first information, and determine a first reference equalization parameter, where the first reference equalization parameter is related to the first ONU identifier. The DSP is further configured to set an equalization parameter of the equalizer to the first reference equalization parameter.Type: GrantFiled: April 29, 2021Date of Patent: January 17, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Zhou, Shiwei Nie, Shengping Li, Bo Gao
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Publication number: 20230006766Abstract: A data processing method and a device, the method including determining, by an optical network unit, in a received data stream, after the optical network unit enters a pre-synchronization state, a position of a forward error correction (FEC) codeword boundary in the data stream based on a position of a physical synchronization sequence (Psync) field, performing an FEC codeword decoding check, where the Psync field is a field that matches a preset Psync, in the data stream, and entering, by the optical network unit, a synchronization state in response to an FEC codeword among N consecutive FEC codewords in the data stream passing the decoding check, where N is an integer greater than or equal to 1.Type: ApplicationFiled: September 8, 2022Publication date: January 5, 2023Inventors: Xuming Wu, Shiwei Nie, Xu Wang
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Publication number: 20220294551Abstract: Embodiments of this application provide an upstream resource grant method, a device, a passive optical network, and a computer-readable storage medium. The upstream resource grant method includes: An optical line terminal obtains an upstream grant message on which transformation processing has been performed, where a transformation parameter used for the transformation processing includes a physical identity of an optical network unit (ONU); and the optical line terminal sends the upstream grant message on which the transformation processing has been performed, where the upstream grant message carries an upstream resource grant indication of the optical network unit, and the upstream resource grant indication is used to indicate an upstream resource granted to the optical network unit. The technical solutions provided in the embodiments of this application help reduce an occurrence probability of a rogue ONU phenomenon, and further improve service running stability of a PON system.Type: ApplicationFiled: May 27, 2022Publication date: September 15, 2022Inventors: Xuming WU, Shiwei NIE, Xiaofei ZENG, Dekun LIU, Gang ZHENG, Jun ZHOU
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Publication number: 20220256264Abstract: A communication method, a device, and a system, the method including sending, by an optical line terminal (OLT) of a passive optical network that comprises the OLT and a plurality of optical network units (ONUs), a first downstream frame to the activated ONU using at least one downstream wavelength path, where the OLT and the at least one ONU of the plurality of ONUs communicate with each other using at the least one downstream wavelength path and a plurality of upstream wavelength paths, the plurality of ONUs comprises an activated ONU, wherein the first downstream frame comprises a first path identifier used to identify a first upstream wavelength path, and the first upstream wavelength path is one of the plurality of upstream wavelength paths, and receiving, by the OLT, upstream service data from the activated ONU using the first upstream wavelength path.Type: ApplicationFiled: April 27, 2022Publication date: August 11, 2022Inventors: Xuming Wu, Dekun Liu, Shiwei Nie
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Patent number: 11374674Abstract: The present disclosure relates to passive optical network (PON) systems, an optical line terminal (OLT), and an optical network unit (ONU). One example PON system includes an OLT and at least two ONUs, and the OLT and the ONUs exchange data on one downstream channel and two upstream channels. The OLT sends downstream data to each ONU on the downstream channel, where the downstream data includes an upstream bandwidth grant which is used to control the ONU to send upstream data. Each ONU receives the downstream data on the downstream channel, and sends the upstream data on a first upstream channel or a second upstream channel based on the upstream bandwidth grant included in the downstream data. The OLT receives, on the first upstream channel and the second upstream channel, the upstream data sent by each ONU.Type: GrantFiled: August 7, 2020Date of Patent: June 28, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Huafeng Lin, Jinrong Yin, Dianbo Zhao, Xifeng Wan, Shiwei Nie, Gang Zheng, Zhijing Luo, Xiaofei Zeng, Jun Luo
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Patent number: 11245490Abstract: A data encoding method and apparatus and a data decoding method and apparatus in a passive optical network (PON) system include collecting N data blocks at a physical coding sublayer and generating valid data by combining the N data blocks, generating a payload, where the payload includes the valid data, performing FEC encoding on the payload to generate a check part, and generating a codeword structure. The synchronization header may be located at the head or the tail of the codeword structure.Type: GrantFiled: June 1, 2020Date of Patent: February 8, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei Jing, Bo Gao, Shiwei Nie, Dekun Liu
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Publication number: 20210250096Abstract: Embodiments of this application disclose a board, an optical module, a MAC chip, a DSP, and an information processing method. The board in the embodiments of this application includes a media access control (MAC) chip, a digital signal processor (DSP), and an equalizer. The MAC chip is configured to send first information to the DSP at an optical network unit (ONU) online stage, where the first information includes a first ONU identifier. The DSP is configured to receive the first information, and determine a first reference equalization parameter, where the first reference equalization parameter is related to the first ONU identifier. The DSP is further configured to set an equalization parameter of the equalizer to the first reference equalization parameter.Type: ApplicationFiled: April 29, 2021Publication date: August 12, 2021Inventors: Lei ZHOU, Shiwei NIE, Shengping LI, Bo GAO
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Patent number: 11063783Abstract: A passive optical network communication method, including receiving an Ethernet packet carrying an optical network unit identifier, determining a correspondence between the optical network unit identifier and an optical network unit type according to the optical network unit identifier, determining that an optical network unit that receives the Ethernet packet is a first type of optical network unit, where the optical network unit type includes the first and second type of optical network unit, and a packet receiving rate of the first type is different from that of the second type, determining a correspondence between the optical network unit type and a channel according to the first type, determining a channel corresponding to the first type, encapsulating the Ethernet packet into a gigabit-capable passive optical network encapsulation method (GEM) frame, and sending the GEM frame to the first type of optical network unit using the determined channel.Type: GrantFiled: May 16, 2019Date of Patent: July 13, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guikai Peng, Huafeng Lin, Shiwei Nie, Xuming Wu, Liming Fang, Yinghua Dong
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Patent number: 10855397Abstract: A downstream data frame transmitting method includes: generating, by an optical line terminal (OLT), a downstream data frame, where the downstream data frame includes a frame header and a payload, the frame header includes a physical synchronization sequence (Psync) field, and the Psync field is used to identify the downstream data frame, where when a value of the Psync field is a first value, the Psync field is further used to indicate that payload data is protected by forward error correction (FEC); or when a value of the Psync field is a second value, the Psync field is further used to indicate that payload data is not protected by FEC; and sending, by the OLT, the downstream data frame. Embodiments of the present invention can reduce a bit error rate of a FEC indication status and improve reliability of the FEC indication status.Type: GrantFiled: January 17, 2019Date of Patent: December 1, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Bo Gao, Shiwei Nie, Lei Jing, Zhenping Wang
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Publication number: 20200366400Abstract: The present disclosure relates to passive optical network (PON) systems, an optical line terminal (OLT), and an optical network unit (ONU). One example PON system includes an OLT and at least two ONUs, and the OLT and the ONUs exchange data on one downstream channel and two upstream channels. The OLT sends downstream data to each ONU on the downstream channel, where the downstream data includes an upstream bandwidth grant which is used to control the ONU to send upstream data. Each ONU receives the downstream data on the downstream channel, and sends the upstream data on a first upstream channel or a second upstream channel based on the upstream bandwidth grant included in the downstream data. The OLT receives, on the first upstream channel and the second upstream channel, the upstream data sent by each ONU.Type: ApplicationFiled: August 7, 2020Publication date: November 19, 2020Inventors: Huafeng LIN, Jinrong YIN, Dianbo ZHAO, Xifeng WAN, Shiwei NIE, Gang ZHENG, Zhijing LUO, Xiaofei ZENG, Jun LUO
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Patent number: 10805007Abstract: Embodiments of the present invention disclose an EPON communication method, an ONU, and an OLT. The method includes: generating, by an ONU, a first control frame, where the first control frame includes a first data field, and the first data field includes a bandwidth requirement of the at least one LLID; and sending, by the ONU, the first control frame to an OLT. In addition, the OLT generates a second control frame, where the second control frame includes a second data field, and the second data field includes grant information of the at least one LLID; and the OLT sends the second control frame to the ONU. In the embodiments of the present invention, the first control frame may carry bandwidth requirements of a plurality of LLIDs, so that one first control frame can be used to report bandwidth requirements of a plurality of LLIDs.Type: GrantFiled: March 11, 2019Date of Patent: October 13, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Zhenping Wang, Bo Gao, Shiwei Nie, Lei Jing, Xuming Wu
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Publication number: 20200295870Abstract: A data encoding method and apparatus and a data decoding method and apparatus in a passive optical network (PON) system include collecting N data blocks at a physical coding sublayer and generating valid data by combining the N data blocks, generating a payload, where the payload includes the valid data, performing FEC encoding on the payload to generate a check part, and generating a codeword structure. The synchronization header may be located at the head or the tail of the codeword structure.Type: ApplicationFiled: June 1, 2020Publication date: September 17, 2020Inventors: Lei Jing, Bo Gao, Shiwei Nie, Dekun Liu
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Patent number: 10756841Abstract: The present disclosure relates to passive optical network (PON) systems, optical line terminals (OTLs), and optical network units (ONUs). One example PON system includes an OLT and at least two ONUs. The OLT and the ONUs exchange data on one downstream channel and two upstream channels. The OLT sends downstream data to each ONU on the downstream channel, where the downstream data includes an upstream bandwidth grant used to control each ONU to send upstream data. Each ONU receives the downstream data on the downstream channel, and sends the upstream data on a first upstream channel or a second upstream channel based on the upstream bandwidth grant included in the downstream data. The OLT receives, on the first upstream channel and the second upstream channel, the upstream data sent by each ONU, where a registration function is disabled on the first upstream channel, and enabled on the second upstream channel.Type: GrantFiled: May 21, 2019Date of Patent: August 25, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Huafeng Lin, Jinrong Yin, Dianbo Zhao, Xifeng Wan, Shiwei Nie, Gang Zheng, Zhijing Luo, Xiaofei Zeng, Jun Luo