Patents by Inventor Yanwen Wang
Yanwen Wang 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: 20230374272Abstract: A composite polyvinyl alcohol (PVA) preservative film, a preparation method and an application thereof are provided. The film includes PVA of 9-12 parts, modified silicon dioxide nanoparticles of 2-5 parts, antimicrobial of 0.3-2 parts and deionized water of 100 parts. Fruits and vegetables sensitive to sunlight have lower requirements for illumination while preserving. With PVA as matrix and silicon dioxide (SiO2) nanoparticles as modified materials, composite PVA is obtained by controlling a particle size of SiO2 and modifying its surface. The composite PVA preservative film takes advantages of different refractive indexes between PVA and SiO2 and controlling the particle size of SiO2, thereby having a low luminous transmittance. The preservative film has an effect of light-proof on fruits and vegetables suitable for light-proof storage, and improves its gas transmission and water resistance because of adding SiO2, thereby facilitating packaging preservation of the fruits and vegetables.Type: ApplicationFiled: March 24, 2023Publication date: November 23, 2023Inventors: Shuhao Qin, Li Zhang, Shanshan Luo, Juan Li, Chengtao Gao, Yanwen Wang, Lu Song
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Patent number: 9531458Abstract: A method, a device and a system for precoding based on CoMP are provided. The method includes: a serving base station receives an expected PMI of a terminal associated with the serving base station and a leakage PMI of a terminal associated with a cooperation base station, which is sent by the cooperation base station, wherein the expected PMI is corresponding to encoding codeword in an expected terminal direction, and the leakage PMI is corresponding to encoding codeword in an interference direction; the serving base station selects expected encoding codeword according to the expected PMI and selecting leakage precoding codeword according to the leakage PMI; and the serving base station convolve the expected encoding codeword and the leakage precoding codeword to obtain precoding codeword used for signal transmission by the serving base station. In the present invention, by use of the CoMP technology, the accuracy of reducing interference of edge user terminals is improved.Type: GrantFiled: July 26, 2013Date of Patent: December 27, 2016Assignee: ZTE CORPORATIONInventors: Yanwen Wang, Yongqiang Wang, Xi'an Liang, Tao Jin, Saijin Xie
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Patent number: 9124314Abstract: A method and device for sending service data are provided in the present invention, so as to realize simplification of a precoding matrix calculation method. The method includes: a network side executing the following steps: calculating a value space matrix according to a signal channel matrix of a serving cell of a terminal; calculating a null space matrix according to an interference channel matrix of a coordinating cell of the terminal; projecting a vector of the value space matrix to a space on which a vector of the null space matrix is located to obtain a precoding matrix of the terminal; and sending the service data in the serving cell of the terminal according to the precoding matrix.Type: GrantFiled: August 9, 2011Date of Patent: September 1, 2015Assignee: ZTE CorporationInventors: Wenhao Liu, Yanwen Wang
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Publication number: 20150188614Abstract: A method, a device and a system for precoding based on CoMP are provided. The method includes: a serving base station receives an expected PMI of a terminal associated with the serving base station and a leakage PMI of a terminal associated with a cooperation base station, which is sent by the cooperation base station, wherein the expected PMI is corresponding to encoding codeword in an expected terminal direction, and the leakage PMI is corresponding to encoding codeword in an interference direction; the serving base station selects expected encoding codeword according to the expected PMI and selecting leakage precoding codeword according to the leakage PMI; and the serving base station convolve the expected encoding codeword and the leakage precoding codeword to obtain precoding codeword used for signal transmission by the serving base station. In the present invention, by use of the CoMP technology, the accuracy of reducing interference of edge user terminals is improved.Type: ApplicationFiled: July 26, 2013Publication date: July 2, 2015Inventors: Yanwen Wang, Yongqiang Wang, Xi'an Liang, Tao Jin, Saijin Xie
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Patent number: 8895079Abstract: A blood lipid lowering agent that functions through a same mechanism as berberine (e.g. berberine, one or more pharmacologically acceptable salts of berberine or a mixture thereof) and a blood lipid lowering agent that functions through a different mechanism than berberine (e.g. phytosterols, phytostanols, esters thereof or mixtures thereof) act synergistically to improve blood lipid profiles, for example, lowering total cholesterol, LDL-C or nonHDL-C, and triglyceride, and increasing the ratio of HDL-C to nonHDL-C. The two may be used in combination to treat or reduce the chance of contracting cardiovascular disease, hyperlipidemia, atherosclerosis, coronary heart disease, angina, cerebrovascular disease, stroke, overweight or obesity, diabetes, insulin resistance, hyperglycemia, hypertension, arrhythmia, diseases of the central nervous system, diseases of the peripheral nervous system and/or inflammation.Type: GrantFiled: February 9, 2007Date of Patent: November 25, 2014Assignee: National Research Council of CanadaInventors: Yanwen Wang, Jeffrey Zidichouski
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Patent number: 8885741Abstract: A method for implementing precoding includes the following steps: dividing hierarchical data which has passed through layer mapping processing into at least two paths to be received respectively (S10); splitting a precoding matrix according to the divided paths of hierarchical data, and respectively left multiplying the split precoding matrixes with the divided paths of hierarchical data (S11); and adding the data of corresponding bits of the matrixes obtained by respectively left multiplying with the divided paths of hierarchical data, to obtain precoding output data (S12). The present invention also provides an apparatus and a system for implementing precoding. The present invention, by performing the process of splitting firstly and then combining to the precoding, can realize the precoding operation with large bandwidth and multi-antenna by using the existing platform at the transmitter of the base station, thereby saving the costs and enhancing the usage flexibility.Type: GrantFiled: June 30, 2010Date of Patent: November 11, 2014Assignee: ZTE CorporationInventors: Wenhao Liu, Yanwen Wang
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Patent number: 8868009Abstract: A method for multi-beam forming based on joint receiving and transmitting end information is provided. The method includes: a transmitting end decomposing a channel matrix H using a geometric mean decomposition (GMD) way to obtain a unitary matrix P; the transmitting end using the unitary matrix P as a weight matrix of GMD beam forming and executing multi-beam forming processing on an original transmission signal x. The present invention also provides a system for multi-beam forming based on joint receiving and transmitting end information, and a transmitting device and receiving device for supporting multi-beam forming based on joint receiving and transmitting end information. By using geometric mean decomposition way to decompose the channel matrix H, the sub channels corresponding to various beams obtain the equal gain. When the channel is ill-conditioned, the channel equalization will not interfere with searching the perturbation vector, thereby avoiding the performance degradation.Type: GrantFiled: June 30, 2010Date of Patent: October 21, 2014Assignee: ZTE CorporationInventors: Yanwen Wang, Wenhao Liu, Yan Li
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Publication number: 20130279428Abstract: A method and device for sending service data are provided in the present invention, so as to realize simplification of a precoding matrix calculation method. The method includes: a network side executing the following steps: calculating a value space matrix according to a signal channel matrix of a serving cell of a terminal; calculating a null space matrix according to an interference channel matrix of a coordinating cell of the terminal; projecting a vector of the value space matrix to a space on which a vector of the null space matrix is located to obtain a precoding matrix of the terminal; and sending the service data in the serving cell of the terminal according to the precoding matrix.Type: ApplicationFiled: August 9, 2011Publication date: October 24, 2013Applicant: ZTE CORPORATIONInventors: Wenhao Liu, Yanwen Wang
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Patent number: 8515355Abstract: A method of realizing smart antenna based on software radio and system therefore in IMT-2000 CDMA system. Channel conditions are classified according to the features of wireless communication channel conditions, covariance matrix of array receiving signals is step-by-step dimension-reduced and decorrelated using special smoothing differential processing method, obtaining the structure related to the receiving signals by gradually converting correlated signal into independent signal sources and realizing conditions recognition, and respectively calculating receiving weights and transmitting weights using corresponding receiving adaptive beam forming algorithm and transmitting adaptive beam forming algorithm selected according to the result of channel condition classifying.Type: GrantFiled: December 29, 2005Date of Patent: August 20, 2013Assignee: ZTE CorporationInventors: Yanwen Wang, Li Zhang, Qiang Wang
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Publication number: 20130165396Abstract: Pharmaceutical and nutraceutical compositions and methods for treating cardiovascular disease, comprising apple skin extracts which can reduce cholesterol levels and inhibit low density lipoprotein (LDL) oxidation in a subject, are provided.Type: ApplicationFiled: May 26, 2011Publication date: June 27, 2013Applicants: NATIONAL RESEARCH COUNCIL OF CANADA, DALHOUSIE UNIVERSITYInventors: Handunkutti Pathirannehalage Vasantha Rupasinghe, Yanwen Wang, Surangi Kumari Priyadarshani Heenetimulla Thilakarathna
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Publication number: 20120263248Abstract: A method for implementing precoding includes the following steps: dividing hierarchical data which has passed through layer mapping processing into at least two paths to be received respectively (S10); splitting a precoding matrix according to the divided paths of hierarchical data, and respectively left multiplying the split precoding matrixes with the divided paths of hierarchical data (S11); and adding the data of corresponding bits of the matrixes obtained by respectively left multiplying with the divided paths of hierarchical data, to obtain precoding output data (S12). The present invention also provides an apparatus and a system for implementing precoding. The present invention, by performing the process of splitting firstly and then combining to the precoding, can realize the precoding operation with large bandwidth and multi-antenna by using the existing platform at the transmitter of the base station, thereby saving the costs and enhancing the usage flexibility.Type: ApplicationFiled: June 30, 2010Publication date: October 18, 2012Applicant: ZTE CORPORATIONInventors: Wenhao Liu, Yanwen Wang
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Publication number: 20120195390Abstract: The present disclosure discloses a processing method and system, configuring method, and demodulating method of demodulate reference signal, a base station and a UE. The base station configures common reference signals on control symbols and user-dedicated reference signals on service symbols; the UE demodulates control information by using the common reference signals and demodulates service data and broadcast data by using the user-dedicated reference signals, wherein the control symbols are OFDM symbols carrying the control information, and the service symbols are OFDM symbols without carrying the control information. With the application of the present disclosure, the purpose of reducing the overhead of reference signals can be achieved.Type: ApplicationFiled: March 25, 2010Publication date: August 2, 2012Applicant: ZTE CORPORATIONInventors: Wenhao Liu, Yanwen Wang, Jing Jiang, Qinghong Zhang
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Publication number: 20120164951Abstract: A method for multi-beam forming based on joint receiving and transmitting end information is provided. The method includes: a transmitting end decomposing a channel matrix H using a geometric mean decomposition (GMD) way to obtain a unitary matrix P; the transmitting end using the unitary matrix P as a weight matrix of GMD beam forming and executing multi-beam forming processing on an original transmission signal x. The present invention also provides a system for multi-beam forming based on joint receiving and transmitting end information, and a transmitting device and receiving device for supporting multi-beam forming based on joint receiving and transmitting end information. By using geometric mean decomposition way to decompose the channel matrix H, the sub channels corresponding to various beams obtain the equal gain. When the channel is ill-conditioned, the channel equalization will not interfere with searching the perturbation vector, thereby avoiding the performance degradation.Type: ApplicationFiled: June 30, 2010Publication date: June 28, 2012Applicant: ZTE CORPORATIONInventors: Yanwen Wang, Wenhao Liu, Yan Li
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Publication number: 20110299623Abstract: The present invention discloses a device and method for processing beamforming frequency. The device for processing beamforming frequency includes a setting unit, an encoding unit, a mapping unit and a beam grouping generating unit, wherein the setting unit is used for setting an encoding matrix; the encoding unit is used for encoding input initial data according to the encoding matrix; the mapping unit is used for obtaining encoded column data from the encoding unit and mapping the encoded column data to antenna groups corresponding to subspaces; and the beam grouping generating unit is used for generating beam groups corresponding to the antenna groups. The method for processing beamforming frequency includes: setting an encoding matrix; encoding initial data according to the encoding matrix; mapping encoded column data to antenna groups corresponding to subspaces; and generating beam groups corresponding to the antenna groups.Type: ApplicationFiled: December 17, 2009Publication date: December 8, 2011Applicant: ZTE CORPORATIONInventors: Yanwen Wang, Xianming Lu, Li Zhang
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Patent number: 8064407Abstract: A method and device for realizing smart antenna in WCDMA system are disclosed in the invention, including array antenna, radio frequency channel module, beam forming module, channel environment detection and classification module, beam-forming algorithm selection and weight value generation module. After processing the signals received by the antenna array in RF channel, the baseband array data X including multiple components is obtained, then the channel environment is estimated and identified according to the characteristics of said array data, and the channel type which the channel belongs to is determined; the corresponding adaptive beam forming algorithm is selected according to the identification result of the channel type, so as to calculate the uplink weight value W including multiple components; said array data X and weight value W are multiplied so as to form beam Y.Type: GrantFiled: December 29, 2005Date of Patent: November 22, 2011Assignee: ZTE CorporationInventors: Yanwen Wang, Li Zhang, Dongli Chen
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Publication number: 20100239603Abstract: A blood lipid lowering agent that functions through a same mechanism as berberine (e.g. berberine, one or more pharmacologically acceptable salts of berberine or a mixture thereof) and a blood lipid lowering agent that functions through a different mechanism than berberine (e.g. phytosterols, phytostanols, esters thereof or mixtures thereof) act synergistically to improve blood lipid profiles, for example, lowering total cholesterol, LDL-C or nonHDL-C, and triglyceride, and increasing the ratio of HDL-C to nonHDL-C. The two may be used in combination to treat or reduce the chance of contracting cardiovascular disease, hyperlipidemia, atherosclerosis, coronary heart disease, angina, cerebrovascular disease, stroke, overweight or obesity, diabetes, insulin resistance, hyperglycemia, hypertension, arrhythmia, diseases of the central nervous system, diseases of the peripheral nervous system and/or inflammation.Type: ApplicationFiled: February 9, 2007Publication date: September 23, 2010Inventors: Yanwen Wang, Jeffrey Zidichouski
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Publication number: 20090161645Abstract: A method of realizing smart antenna based on software radio and system therefore in IMT-2000 CDMA system. Channel conditions are classified according to the features of wireless communication channel conditions, covariance matrix of array receiving signals is step-by-step dimension-reduced and decorrelated using special smoothing differential processing method, obtaining the structure related to the receiving signals by gradually converting correlated signal into independent signal sources and realizing conditions recognition, and respectively calculating receiving weights and transmitting weights using corresponding receiving adaptive beam forming algorithm and transmitting adaptive beam forming algorithm selected according to the result of channel condition classifying.Type: ApplicationFiled: December 29, 2005Publication date: June 25, 2009Inventors: Yanwen Wang, Li Zhang, Qiang Wang
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Publication number: 20080308197Abstract: A method for processing a metal part includes extruding an Al-RE-TM alloy to form an extruded part, heating the extruded part, and applying a compressive strain greater than about 50% on the heated part.Type: ApplicationFiled: June 15, 2007Publication date: December 18, 2008Applicants: United Technologies Corporation, The Curators of the University of MissouriInventors: Thomas J. Watson, Rajiv S. Mishra, Yanwen Wang
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Publication number: 20080170554Abstract: A method and device for realizing smart antenna in WCDMA system are disclosed in the invention, including array antenna, radio frequency channel module, beam forming module, channel environment detection and classification module, beam-forming algorithm selection and weight value generation module. After processing the signals received by the antenna array in RF channel, the baseband array data X including multiple components is obtained, then the channel environment is estimated and identified according to the characteristics of said array data, and the channel type which the channel belongs to is determined; the corresponding adaptive beam forming algorithm is selected according to the identification result of the channel type, so as to calculate the uplink weight value W including multiple components; said array data X and weight value W are multiplied so as to form beam Y.Type: ApplicationFiled: December 29, 2005Publication date: July 17, 2008Applicant: ZTE CORPORATIONInventors: Yanwen Wang, Li Zhang, Dongli Chen
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Patent number: 7362267Abstract: A beam forming method for a smart antenna and smart antennas configured to employ the method, in which pre-multibeam processing and time delay aligning are implemented to array signals, and then a suboptimum weight is calculated by means of a pilot frequency symbol, and an optimum weight is iteratively calculated with the suboptimum weight as an initial value, and finally the beams are formed by means of the optimum weight.Type: GrantFiled: December 31, 2002Date of Patent: April 22, 2008Assignee: ZTE CorporationInventors: Lidong Chi, Yanwen Wang, Yunkuan Wang