Patents by Inventor Wenjun Zhang

Wenjun Zhang 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).

  • Publication number: 20190007066
    Abstract: An interleaving and mapping method and a deinterleaving and demapping method for an LDPC codeword are provided. The interleaving and mapping method comprises: performing first bit interleaving on a parity bits part of the LDPC codeword to obtain interleaved parity bits; splicing an information bit part of the codeword and the interleaved parity bits into a codeword after the first bit interleaving; dividing the codeword after the first bit interleaving into multiple consecutive bit subblocks in a predetermined length, and changing the order of the bit subblocks according to a corresponding permutation order (bit-swapping pattern) to form a codeword after second bit interleaving; dividing the codeword after the second bit interleaving into two parts, and writing the two parts into storage space in a column order respectively and reading the two parts from the storage space in a row order respectively to obtain a codeword after third bit interleaving.
    Type: Application
    Filed: September 6, 2018
    Publication date: January 3, 2019
    Inventors: Wenjun ZHANG, Yijun SHI, Dazhi HE, Yunfeng GUAN, Yin XU, Xufeng GUO
  • Publication number: 20190007067
    Abstract: An interleaving and mapping method and a deinterleaving and demapping method for an LDPC codeword are provided. The interleaving and mapping method comprises: performing first bit interleaving on a parity bits part of the LDPC codeword to obtain interleaved parity bits; splicing an information bit part of the codeword and the interleaved parity bits into a codeword after the first bit interleaving; dividing the codeword after the first bit interleaving into multiple consecutive bit subblocks in a predetermined length, and changing the order of the bit subblocks according to a corresponding permutation order (bit-swapping pattern) to form a codeword after second bit interleaving; dividing the codeword after the second bit interleaving into two parts, and writing the two parts into storage space in a column order respectively and reading the two parts from the storage space in a row order respectively to obtain a codeword after third bit interleaving.
    Type: Application
    Filed: September 6, 2018
    Publication date: January 3, 2019
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Yunfeng Guan, Yin Xu, Xufeng Guo
  • Patent number: 10148476
    Abstract: Provided are a preamble symbol generation method and receiving method, and a relevant frequency-domain symbol generation method and a relevant device, characterized in that the method comprises: generating a cyclic prefix according to a partial time-domain main body signal truncated from a time-domain main body signal; generating a modulation signal based on a portion or the entirety of the partial time-domain main body signal; and generating time-domain symbols based on at least one of the cyclic prefix, the time-domain main body signal and the modulation signal, wherein the preamble symbol contains at least one of the time-domain symbols.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: December 4, 2018
    Assignee: Shanghai National Engineering Research Center of Digital Television Co., Ltd.
    Inventors: Wenjun Zhang, Guanbin Xing, Ge Huang, Hongliang Xu, Dazhi He, Yunfeng Guan
  • Publication number: 20180335239
    Abstract: Seawater fluidized ice manufacturing equipment is disclosed, comprising a compressor; a condenser, connected with the compressor, the condenser being internally provided with a condensing agent; a heat exchanger, connected with the condenser, the heat exchanger being provided with a hydrophobic material coating; and an ultrasonic generator, connected with the heat exchanger. A seawater fluidized ice manufacturing method is also disclosed, comprising the following steps: compressing low-temperature and low-pressure condensing agent vapor in an ice making barrel into high-temperature and high-pressure condensing agent vapor by the compressor; driving the seawater to enter the ice making barrel and the liquefied condensing agent into a cooling pipe, condensing the seawater into fluidized ice, wherein when the seawater is condensed in the ice making barrel, the ultrasonic generator generates ultrasonic waves to drive the seawater to crystallize into fluidized ice.
    Type: Application
    Filed: December 11, 2017
    Publication date: November 22, 2018
    Inventors: Libiao ZHOU, Zhi HAN, Zhen WANG, Roujia ZHANG, Pengfei ZHANG, Yaying ZHANG, Wenqi ZHAO, Tao JIANG, Wei WANG, Binju WANG, Yu WANG, Sheng'ao SHI, Yang CHEN, Binhui JIN, Yiying DONG, Hongwei GUI, Zhihao DU, Jiawei ZHENG, Ronglian WEI, Tianle XU, Wanglai KUANG, Hongli SHAN, Tianwen LU, Xiaowen SHANG, Xin LI, Kening SUN, Wenjun ZHANG
  • Patent number: 10097209
    Abstract: An interleaving and mapping method and a deinterleaving and demapping method for an LDPC codeword are provided.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 9, 2018
    Assignee: Shanghai National Engineering Research Center of Digital Television Co., Ltd.
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Yunfeng Guan, Yin Xu, Xufeng Guo
  • Publication number: 20180262799
    Abstract: A dynamic time window and cache method under the heterogeneous network transmission is provided, including adding Available_Time and Asset_Size attributes of the media content in the signaling or other places for the existing signaling at a MMT, so that the client terminal gets the time when the corresponding media content is available and the size of the media content; at the same time determining the network bandwidth and the network delay of the content from the broadband to the client under the current broadband network by the client; wherein the client terminal calculates the time interval for transmitting a request for caching in advance and the size of a cache window required by the terminal through the available time of the content of a broadband source and the delay of a broadband channel.
    Type: Application
    Filed: February 2, 2016
    Publication date: September 13, 2018
    Inventors: Yiling Xu, Wenjun Zhang, Chengzhi Wang, Jun Sun, Yunfeng Guan, Dazhi He, Ning Liu
  • Patent number: 10000775
    Abstract: The present disclosure relates to the biosynthesis of 1-undecene and related terminal olefins. Specifically, the present disclosure relates to methods of using proteins to produce 1-undecene and related terminal olefins.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: June 19, 2018
    Assignee: The Regents of the University of California
    Inventors: Zhe Rui, Wenjun Zhang
  • Publication number: 20180095082
    Abstract: Methods, systems, compositions, and thermochemical processes for inactivating proteinaceous binding entities (PBEs) such as antibodies in between staining cycles for preventing cross-reactivity in subsequent staining cycles. The thermochemical methods, compositions, or systems may feature incubating a sample in a solution comprising a buffer at a temperature sufficient to reduce or eliminate further detectability of the PBE. The methods, compositions, and systems may be beneficial for automated assays in automated staining devices that are adapted to dispense buffers and reagents and to heat samples to various temperatures.
    Type: Application
    Filed: October 9, 2017
    Publication date: April 5, 2018
    Inventors: Antony Hubbard, Tobin Jones, Lei Tang, Wenjun Zhang
  • Patent number: 9934948
    Abstract: It is provided a magnetron-sputtering coating system including a sputtering chamber. The sputtering chamber therein includes: a set of target, formed by concatenating a plurality pieces of target; a substrate carrier, arranged to be opposite to the target set, and support a substrate to be coated with a film; and a driving device, arranged to drive the substrate carrier to reciprocate in a direction of the arrangement of the target.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: April 3, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaokun Wang, Sangsoo Park, Xunze Zhang, Zhaobo Wang, Lei Sha, Guanjie Cheng, Wenjun Zhang, Hualu Wang, Qingliang Wen, Leilei Lv
  • Publication number: 20180076926
    Abstract: Provided are a signaling coding and modulation method and a demodulation and decoding method and device, characterized in that the method comprises the steps of: extending signaling which has been subjected to first predetermined processing according to an extension pattern table to obtain an extended codeword, and conducting predetermined coding on the extended codeword to obtain a encoded codeword; conducting parity bit permutation on a parity bit portion in the encoded codeword and then splicing the permutated parity bits to the end of information bits in the encoded codeword, to obtain a permutated encoded codeword; according to the length of the signaling, punching the permutated encoded codeword according to a predetermined punching rule to obtain a punched encoded codeword; and conducting second predetermined processing on the punched encoded codeword to obtain a tuple sequence, which is used for mapping, and then mapping the tuple sequence, which is used for mapping, into a signaling symbol according
    Type: Application
    Filed: March 11, 2016
    Publication date: March 15, 2018
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Ge Huang, Hongliang Xu, Yao Wang
  • Publication number: 20180069654
    Abstract: The invention provides an FEC (Forward error correction) mechanism based on media content. The mechanism classifies the media content, and endows it with different importance, and then changes the coding scheme according to the packets belonging to frames of different importance in combination with channel conditions and user experience, to conduct protection according to the importance of corresponding frames. By using the technical scheme of the invention, for the data congestion caused by excessive coding in the current FEC system, the media content is able to be classified and endowed with different importance, and controlled by signaling and indicating bit; different FEC coding strengths is able to be adopted; the duplication-expanding window fountain code with the unequal error protection performance is able to be further adopted, to achieve the maximum guarantee of media content quality and reduce the large amount of data caused by FEC.
    Type: Application
    Filed: January 8, 2016
    Publication date: March 8, 2018
    Applicant: Shanghai Jiao Tong University
    Inventors: Yiling Xu, Wenjun Zhang, Jun Sun, Xuguo Tang, Wei Huang, Bo Li, Yunfeng Guan, Ning Liu
  • Publication number: 20180041820
    Abstract: An implementation method and an application of a personalized presentation of associated multimedia content are provided. The method includes steps of: by a multimedia content provider, uniformly completing full file content when producing a multimedia file, and classifying segments of the content through a marking method according to an importance and/or an association degree of the content, so as to produce different versions of the multimedia file; and selectively previewing and/or playing by a user according to the different versions. The present invention is a flexible and efficient method for scalable organization, storage and transmission in an Internet on-demand system, thereby adding a flexible organization mechanism for the media content that an existing multimedia protocol lacks, and solving problems of an existing multimedia system, such as low transmission efficiency, waste of storage resources and poor user experience.
    Type: Application
    Filed: February 2, 2016
    Publication date: February 8, 2018
    Applicant: Shanghai Jiao Tong University
    Inventors: Yiling Xu, Wenjun Zhang, Wenjie Zhu, Lianghui Zhang, Hao Chen, Bo Li, Jun Sun, Ning Liu
  • Patent number: 9807036
    Abstract: A method of communication between an Ethernet Media Access Controller (MAC) and a physical interface (PHY) is disclosed. The method includes establishing communication between the MAC and the PHY via a first serial link in accordance with a Serializer Deserializer (SERDES) protocol. In a data transfer mode, data is transferred along the first serial link. Idle frames are transferred within an idle time gap along the link in an idle mode. The PHY is managed by encoding Management Data Input/Output (MDIO) information in one or more MDIO frames, and transferring the one or more MDIO frames within the idle time gap along the first serial link.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: October 31, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Hongchun Yu, Honglu Chen, Chi Huang, Wenjun Zhang
  • Patent number: 9800902
    Abstract: This invention discloses a digital TV broadcast system coordinated with a broadband communication network, an information transmission network in which the broadcast system is applied, a digital TV heterogeneous network architecture, and a client terminal used in each of the above network systems. The various broadcast system architectures of the invention adopt the design concept of heterogeneous network which integrates a broadcast network with other networks, for example, a communication network, the Internet and the like, to form a heterogeneous network architecture coordinating various networks. Meanwhile, the usage in bad conditions are taken into account, and a broadcast TV system which enables uplink transmission by using a broadcast link is designed. The terminal of the invention is a terminal applicable in these heterogeneous network architectures, is capable of receiving signals transmitted from various networks, and can enable flexible receiving and access modes with a series of control means.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: October 24, 2017
    Assignee: SHANGHAI NATIONAL ENGINEERING RESEARCH CENTER OF DIGITAL TELEVISION CO., LTD.
    Inventors: WenJun Zhang, DaZhi He, Yin Xu, Yunfeng Guan, Yanfeng Wang, Yao Wang, Jun Sun, Yang Dai, Weiqiang Liang, Ge Huang
  • Patent number: 9745596
    Abstract: The invention provides a wheat cell, part, tissue culture or whole plant comprising at least one disrupted KRP gene of the present invention. The present invention also provides methods of increasing weight, size, and/or number of one or more organs, and/or yield of a wheat plant by utilizing the disrupted KRP genes of the present invention. Furthermore, methods of breeding wheat plants to produce new wheat plants having increased weight, size, and/or number of one or more organs, and/or yield are provided. The present invention provides isolated Kinase Inhibitor Protein (KIP) Related Protein (KRP) polynucleotide sequences and isolated KRP polypeptide sequences and methods of their use.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: August 29, 2017
    Assignees: Targeted Growth, Inc., The Regents of the University of California
    Inventors: Jean Paul Olivier, Tom Todaro, Jorge Dubcovsky, Wenjun Zhang
  • Publication number: 20170245231
    Abstract: Provided are a preamble symbol receiving method and device, characterizing in that the method comprises the following steps: processing a received signal; judging whether the processed signal obtained contains the preamble symbol desired to be received; and if a judgement result is yes, determining the position of the preamble symbol and resolving signalling information carried by the preamble symbol, wherein the received preamble symbol comprises at least one time-domain symbol generated by a transmitting end using a free combination of any number of first three-segment structures and/or second three-segment structures according to a predefined generation rule, the first three-segment structure containing: a time-domain main body signal, a prefix generated based on the entirety or a portion of the time-domain main body signal, and a postfix generated based on the entirety or a portion of a partial time-domain main body signal, and the second three-segment structure containing: the time-domain main body signa
    Type: Application
    Filed: April 16, 2015
    Publication date: August 24, 2017
    Inventors: Ge Huang, Hongliang Xu, Guanbin Xing, Wenjun Zhang, Xufeng Guo
  • Publication number: 20170230061
    Abstract: An interleaving and mapping method and a deinterleaving and demapping method for an LDPC codeword are provided.
    Type: Application
    Filed: August 19, 2016
    Publication date: August 10, 2017
    Inventors: Wenjun Zhang, Yijun Shi, Dazhi He, Yunfeng Guan, Yin Xu, Xufeng Guo
  • Publication number: 20170205399
    Abstract: Polymers and conjugates comprising polymers are disclosed herein. In some embodiments, the conjugates disclosed are suitable for use as detection probes in immunohistochemical assays, including multiplex immunohistochemical assays.
    Type: Application
    Filed: March 31, 2017
    Publication date: July 20, 2017
    Inventors: Lei Tang, Wenjun Zhang
  • Publication number: 20170207943
    Abstract: Provided are a preamble symbol generation method and receiving method, and a relevant frequency-domain symbol generation method and a relevant device, characterized in that the method comprises: generating a cyclic prefix according to a partial time-domain main body signal truncated from a time-domain main body signal; generating a modulation signal based on a portion or the entirety of the partial time-domain main body signal; and generating time-domain symbols based on at least one of the cyclic prefix, the time-domain main body signal and the modulation signal, wherein the preamble symbol contains at least one of the time-domain symbols.
    Type: Application
    Filed: April 16, 2015
    Publication date: July 20, 2017
    Inventors: Wenjun ZHANG, Guanbin XING, Ge HUANG, Hongliang XU, Dazhi HE, Yunfeng GUAN
  • Publication number: 20170201405
    Abstract: Provided are a preamble symbol receiving method and a relevant device, characterized in that: the received preamble symbol contains a time-domain symbol which is generated from a single three-segment structure by a transmitting end according to a predefined generation rule, the single three-segment structure containing: a time-domain main body signal, a prefix generated based on the entirety or a portion of the time-domain main body signal, and a postfix or a hyper prefix generated based on the entirety or a portion of the time-domain main body signal.
    Type: Application
    Filed: April 16, 2015
    Publication date: July 13, 2017
    Inventors: Ge Huang, Hongliang Xu, Guanbin Xing, Wenjun Zhang, Yunfeng Guan, Dazhi He