Patents by Inventor Rong Wen
Rong Wen 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: 20240099994Abstract: Provided are sustained-release pharmaceutical compositions including a ketamine pamoate salt and a pharmaceutically acceptable carrier thereof. The compositions include aqueous suspension, solution and matrix delivery system, which can provide sustained release for anesthesia, analgesia or treatment of central nervous system and anti-inflammatory diseases.Type: ApplicationFiled: December 18, 2020Publication date: March 28, 2024Applicant: ALAR PHARMACEUTICALS INC.Inventors: Tong-Ho Lin, Yung-Shun Wen, Chai-Hsien Chen, Ying-Ting Liu, Rui-Zhi Hou, Zhi-Rong Wu
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Patent number: 11764925Abstract: A reference signal sending method and a communications device are provided. The reference signal sending method includes: generating, by a first device, a tracking reference signal, where the tracking reference signal corresponds to a DMRS port that is used by the first device when the first device sends data to a second device; mapping, by the first device, the tracking reference signal to a time-frequency resource that is used by the first device when the first device sends the data to the second device through the DMRS port, where the tracking reference signal is mapped to at least two modulation symbols on a same frequency resource in one transmission slot; and sending, by the first device, the tracking reference signal mapped to the time-frequency resource to the second device.Type: GrantFiled: August 2, 2021Date of Patent: September 19, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Lei Chen, Xi Zhang, Rong Wen
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Patent number: 11764928Abstract: The present disclosure provides a method and apparatus for reference signal configuration. The method includes: determining a time domain density of a phase tracking reference signal (PTRS) according to a first modulation and coding scheme (MCS) and correspondence information between MCSs and PTRS time domain densities; determining a frequency domain density of the PTRS according to a first scheduled bandwidth and correspondence information between scheduled bandwidths and PTRS frequency domain densities; and mapping the PTRS to one or more resource elements (REs) according to the time domain density of the PTRS and the frequency domain density of the PTRS when certain conditions are met.Type: GrantFiled: May 26, 2022Date of Patent: September 19, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Xi Zhang, Rong Wen, Lei Chen
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Patent number: 11657105Abstract: The automated social networking graph mining and visualization technique described herein mines social connections and allows creation of a social networking graph from general (not necessarily social-application specific) Web pages. The technique uses the distances between a person's/entity's name and related people's/entities names on one or more Web pages to determine connections between people/entities and the strengths of the connections. In one embodiment, the technique lays out these connections, and then clusters them, in a 2-D layout of a social networking graph that represents the Web connection strengths among the related people's or entities' names, by using a force-directed model.Type: GrantFiled: May 10, 2018Date of Patent: May 23, 2023Assignee: Microsoft Technology Licensing, LLCInventors: Zaiqing Nie, Yong Cao, Gang Luo, Ruochi Zhang, Xiaojiang Liu, Yunxiao Ma, Bo Zhang, Ying-Qing Xu, Ji-Rong Wen
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Publication number: 20220393821Abstract: The present disclosure provides a method and apparatus for reference signal configuration. The method includes: determining a time domain density of a phase tracking reference signal (PTRS) according to a first modulation and coding scheme (MCS) and correspondence information between MCSs and PTRS time domain densities; determining a frequency domain density of the PTRS according to a first scheduled bandwidth and correspondence information between scheduled bandwidths and PTRS frequency domain densities; and mapping the PTRS to one or more resource elements (REs) according to the time domain density of the PTRS and the frequency domain density of the PTRS when certain conditions are met.Type: ApplicationFiled: May 26, 2022Publication date: December 8, 2022Inventors: Xi ZHANG, Rong WEN, Lei CHEN
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Publication number: 20220256615Abstract: This application discloses a resource configuration method and an apparatus. The method includes: obtaining, by a terminal device, configuration information, where the configuration information includes at least one piece of the following information: random access resource configuration information and downlink signal parameter information; and accessing, by the terminal device, a network device based on the configuration information. A corresponding apparatus is also disclosed.Type: ApplicationFiled: February 18, 2022Publication date: August 11, 2022Inventors: Mao Yan, Rong Wen, Lei Chen
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Patent number: 11362781Abstract: The present disclosure provides a method and apparatus for reference signal configuration. The method includes: determining a time domain density of a phase tracking reference signal (PTRS) according to a first modulation and coding scheme (MCS) and correspondence information between MCSs and PTRS time domain densities; determining a frequency domain density of the PTRS according to a first scheduled bandwidth and correspondence information between scheduled bandwidths and PTRS frequency domain densities; and mapping the PTRS to one or more resource elements (REs) according to the time domain density of the PTRS and the frequency domain density of the PTRS when certain conditions are met.Type: GrantFiled: March 3, 2020Date of Patent: June 14, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Xi Zhang, Rong Wen, Lei Chen
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Patent number: 11291054Abstract: This application discloses a resource configuration method and an apparatus. The method includes: obtaining, by a terminal device, configuration information, where the configuration information includes at least one piece of the following information: random access resource configuration information and downlink signal parameter information; and accessing, by the terminal device, a network device based on the configuration information. A corresponding apparatus is also disclosed.Type: GrantFiled: November 5, 2019Date of Patent: March 29, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Mao Yan, Rong Wen, Lei Chen
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Publication number: 20220060299Abstract: A reference signal sending method and a communications device are provided. The reference signal sending method includes: generating, by a first device, a tracking reference signal, where the tracking reference signal corresponds to a DMRS port that is used by the first device when the first device sends data to a second device; mapping, by the first device, the tracking reference signal to a time-frequency resource that is used by the first device when the first device sends the data to the second device through the DMRS port, where the tracking reference signal is mapped to at least two modulation symbols on a same frequency resource in one transmission slot; and sending, by the first device, the tracking reference signal mapped to the time-frequency resource to the second device.Type: ApplicationFiled: August 2, 2021Publication date: February 24, 2022Inventors: Lei CHEN, Xi ZHANG, Rong WEN
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Patent number: 11082179Abstract: A reference signal sending method and a communications device are provided. The reference signal sending method includes: generating, by a first device, a tracking reference signal, where the tracking reference signal corresponds to a Demodulation Reference Signal (DMRS) port that is used by the first device when the first device sends data to a second device; mapping, by the first device, the tracking reference signal to a time-frequency resource that is used by the first device when the first device sends the data to the second device through the DMRS port, where the tracking reference signal is mapped to at least two modulation symbols on a same frequency resource in one transmission slot; and sending, by the first device, the tracking reference signal mapped to the time-frequency resource to the second device.Type: GrantFiled: July 3, 2019Date of Patent: August 3, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Lei Chen, Xi Zhang, Rong Wen
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Patent number: 10952655Abstract: Systems and methods for quantitatively imaging retinal blood vessel oxygen saturation using retinal auto-fluorescence (AF) are provided. One or more excitation sources can be used to provide light to the retina, and retinal AF can be detected by one or more detectors. The quantitative level of oxygen saturation in the blood can be determined based on the intensity of AF.Type: GrantFiled: September 21, 2020Date of Patent: March 23, 2021Assignees: The Florida International University Board of Trustees, University of MiamiInventors: Shuliang Jiao, Rong Wen, Chuanqing Zhou
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Patent number: 10727998Abstract: Embodiments of the present disclosure provide systems, methods and apparatus for reference signal configuration. The method includes: mapping a phase tracking reference signal (PTRS) to one or more OFDM symbols based on information about a correspondence between the PTRS and one or more of a modulation and coding scheme (MCS), a subcarrier spacing, and a bandwidth (BW); and sending the one or more OFDM symbols to which the PTRS is mapped to a receive device. In the embodiments of the present invention, a correspondence between the PTRS and the subcarrier spacing or the modulation and coding scheme or the bandwidth is used to implicitly indicate a time-frequency location of the PTRS. In comparison with the prior art, no explicit indication is required, and signaling overheads are reduced.Type: GrantFiled: August 31, 2018Date of Patent: July 28, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xi Zhang, Rong Wen, Lei Chen
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Publication number: 20200204321Abstract: The present disclosure provides a method and apparatus for reference signal configuration. The method includes: determining a time domain density of a phase tracking reference signal (PTRS) according to a first modulation and coding scheme (MCS) and correspondence information between MCSs and PTRS time domain densities; determining a frequency domain density of the PTRS according to a first scheduled bandwidth and correspondence information between scheduled bandwidths and PTRS frequency domain densities; and mapping the PTRS to one or more resource elements (REs) according to the time domain density of the PTRS and the frequency domain density of the PTRS when certain conditions are met.Type: ApplicationFiled: March 3, 2020Publication date: June 25, 2020Applicant: Huawei Technologies Co.,Ltd.Inventors: Xi Zhang, Rong Wen, Lei Chen
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Patent number: 10615933Abstract: Embodiments of the present disclosure provide systems, methods and apparatus for reference signal configuration. The method includes: mapping a phase tracking reference signal (PTRS) to one or more OFDM symbols based on information about a correspondence between the PTRS and one or more of a modulation and coding scheme (MCS), a subcarrier spacing, and a bandwidth (BW); and sending the one or more OFDM symbols to which the PTRS is mapped to a receive device. In the embodiments of the present invention, a correspondence between the PTRS and the subcarrier spacing or the modulation and coding scheme or the bandwidth is used to implicitly indicate a time-frequency location of the PTRS. In comparison with the prior art, no explicit indication is required, and signaling overheads are reduced.Type: GrantFiled: August 31, 2018Date of Patent: April 7, 2020Assignee: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Xi Zhang, Rong Wen, Lei Chen
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Publication number: 20200068623Abstract: This application discloses a resource configuration method and an apparatus. The method includes: obtaining, by a terminal device, configuration information, where the configuration information includes at least one piece of the following information: random access resource configuration information and downlink signal parameter information; and accessing, by the terminal device, a network device based on the configuration information. A corresponding apparatus is also disclosed.Type: ApplicationFiled: November 5, 2019Publication date: February 27, 2020Inventors: Mao Yan, Rong Wen, Lei Chen
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Patent number: 10485418Abstract: The subject invention provides novel apparatuses and methods for assessing the structure and function of photoreceptors in retina. In a specific embodiment, the assessment is accomplished by imaging rhodopsin, pigmented protein responsible for initiating vision acquisition of the eye, in living subjects. Advantageously, the technologies provided herein can be used for clinical evaluation of retinal photoreceptors for diagnosis, disease staging and follow-up, and outcome measurement for clinical trials of retinal degenerative disorders, including, for example, hereditary retinal degeneration and age-related macular degeneration.Type: GrantFiled: August 3, 2015Date of Patent: November 26, 2019Assignees: THE FLORIDA INTERNATIONAL UNIVERSITY BOARD OF TRUSTEES, UNIVERSITY OF MIAMIInventors: Shuliang Jiao, Rong Wen, Byron L. Lam, Tan Liu
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Publication number: 20190327056Abstract: A reference signal sending method and a communications device are provided. The reference signal sending method includes: generating, by a first device, a tracking reference signal, where the tracking reference signal corresponds to a DMRS port that is used by the first device when the first device sends data to a second device; mapping, by the first device, the tracking reference signal to a time-frequency resource that is used by the first device when the first device sends the data to the second device through the DMRS port, where the tracking reference signal is mapped to at least two modulation symbols on a same frequency resource in one transmission slot; and sending, by the first device, the tracking reference signal mapped to the time-frequency resource to the second device.Type: ApplicationFiled: July 3, 2019Publication date: October 24, 2019Inventors: Lei CHEN, Xi ZHANG, Rong WEN
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Patent number: 10367655Abstract: A networking method including receiving, at an edge router of a cloud data center, a virtual private cloud (“VPC”) network communication from a private network via a dedicated physical connection line to the edge router. The VPC network communication is forwarded to a gateway hardware group via a first connection using Virtual Extensible Local Area Network (“VXLAN”) technology. The VPC network communication is then forwarded from the gateway hardware group to VPC of a user of the private network via a second connection using VXLAN technology to access a virtual machine (“VM”).Type: GrantFiled: January 25, 2016Date of Patent: July 30, 2019Assignee: Alibaba Group Holding LimitedInventors: Gang Cheng, Shunmin Zhu, Jiesheng Wu, Rong Wen
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Patent number: 10320457Abstract: Embodiments of the present application provide a beam tracking method, apparatus, and system, which relate to the communications field, so that a relatively high channel capacity can be obtained, and system spectrum efficiency can be improved. The method includes: obtaining, by a communications device, a channel relevance coefficient, and determining a first radio-frequency weighted matrix of the communications device in an (n+1)th timeslot according to the relevance coefficient, where n is an integer, and n?1; receiving, by the communications device, a first known signal sent by a peer device, and determining an equivalent channel matrix in the (n+1)th timeslot according to the received first known signal; and determining, by the communications device, a digital weighted matrix of the communications device in the (n+1)th timeslot according to the equivalent channel matrix, so as to match a real-time channel and transmit data by using the real-time channel.Type: GrantFiled: March 23, 2017Date of Patent: June 11, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Rong Wen, Kunpeng Liu, Jiguang He, Taejoon Kim
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Patent number: 10313895Abstract: A wireless communications method and a wireless communications system are disclosed. In an embodiment, the system includes a transmit end including a transmit module having at least two antenna units, the transmit module is configured to transmit M narrow beams with different spatial directions according to a quality of service requirement, and switches a transmit mode according to a preset switching rule, wherein a set of the spatial directions of the M narrow beams forms a transmit mode; a receive end including a receive module having at least two antenna units, the receive module is configured to receive N beams according to the QoS requirement, and a transmission channel is formed, wherein the receive end calculates transmission channel quality in different transmit modes, searches for a transmit mode that meets the QoS requirement, and feeds back the transmit mode to the transmit end.Type: GrantFiled: March 24, 2017Date of Patent: June 4, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Rong Wen, Jia He, Huang Huang