Patents by Inventor Lingfang Wang

Lingfang 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).

  • Publication number: 20210067443
    Abstract: A ICN packet forwarding method, including: step 1) maintaining, by a network forwarding device, a network entity ID association state table, which is used for recording a state of the binding relationship between a network entity ID and a network address to which the network entity is associatively bound; after a network address binding relationship of the network entity changes due to location movement thereof, adding or updating, by the network forwarding device, a record of the network entity in the network entity ID association state table according to notification information of the network entity; and step 2) upon receipt of an ICN packet, by the network forwarding device, determining whether the ICN packet needs to be processed, according to information of the current network entity ID association state table; if yes, forwarding after processing the ICN packet; otherwise, directly forwarding the packet.
    Type: Application
    Filed: December 17, 2018
    Publication date: March 4, 2021
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING HILI TECHNOLOGY CO., LTD
    Inventors: Jinlin WANG, Jun CHEN, Gang CHENG, Xiaozhou YE, Haojiang DENG, Lingfang WANG, Weining QI
  • Publication number: 20200367019
    Abstract: A fast query method for a mobile network entity dynamic location information, using a distributed container hierarchical nested structure to process registration and queries for location information, includes: after a network entity connects to a network attachment point after moving and obtains a new network address assignment, determining a series of a registered container, and then registering new location information corresponding to where the network entity is currently located, the location information containing at least current network address information; when a network forwarding device learns that the network entity is currently un-reachable, querying the new location information of the network entity from the container where the network entity was located before moving; and the container where the network entity was located before moving, after receiving the query request, obtains the new location information of the network entity by searching in the container and in a peer neighboring container s
    Type: Application
    Filed: December 21, 2017
    Publication date: November 19, 2020
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING HILI TECHNOLOGY CO. LTD
    Inventors: Jinlin WANG, Jun CHEN, Gang CHENG, Xiaozhou YE, Haojiang DENG, Lingfang WANG, Weining QI
  • Publication number: 20200358692
    Abstract: A programmable network technology-based multi-homed network routing and forwarding method includes a data packet performing address-to-port matching a forwarding flow table address matching method; classifying addresses to matched ports corresponding to a destination address group; selecting a link information table and a port selection function, an appropriate port and a corresponding destination address group; cropping destination address groups of the remaining ports using an address filtering function and previous hop information carried in data to further crop the remaining destination address groups and addresses in the destination address group, a single destination address can be determined using a single address selection method, taking the single destination address using a universal routing and forwarding method to forward a packet to the destination address; otherwise, packaging the destination address group, and using a single address selection method to determine the single destination address h
    Type: Application
    Filed: December 21, 2017
    Publication date: November 12, 2020
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING HILI TECHNOLOGY CO., LTD
    Inventors: Jinlin WANG, Jiali YOU, Pufang MA, Lingfang WANG, Xiaozhou YE, Gang CHENG
  • Publication number: 20200351634
    Abstract: A mobile signaling management method uses a distributed container with a hierarchical nested structure to process the registration and query of location information of user equipment, including: first user equipment connected to a first network device, to obtain a first network address allocated by the first network device; the first user equipment registering to a first mobility management node binding information between the name of the first user equipment and the first network address, the first mobility management node being a node where the first user equipment is located after movement; the first user equipment updating to a second network device the binding information between the name of the first user equipment and the first network address; and the first user equipment updating to second user equipment at the communication peer end the binding information between the name of the first user equipment and the first network address.
    Type: Application
    Filed: December 17, 2018
    Publication date: November 5, 2020
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING HILI TECHNOLOGY CO. LTD
    Inventors: Weining QI, Jun CHEN, Lingfang WANG
  • Publication number: 20200167182
    Abstract: A method for generating a nested container with no intersection and same layer full coverage, including: giving a right undirected graph G(V, E, W) and network measurement index set {Ti} for dividing nodes in G, each network measurement index Ti corresponding to a Ci layer container set {Ci k}; deleting an edge weighing greater than Ti, and segmenting G into subgraphs, each a connected component; setting all nodes in the subgraph Gcm not in the Ci layer container as set L; selecting one node from set L as current anchor aj; starting with anchor aj, performing breadth-first search on all nodes in L and Ci+1 layer container containing aj with the path communicated therewith less than Ti forming a Ci layer container with anchor aj; setting j?=j+1, determining whether L is a null set; setting m=m+1, determining whether all subgraphs are processed; setting i=i-1, and determining whether i=1 is satisfied.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 28, 2020
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING HILI TECHNOLOGY CO., LTD
    Inventors: Yiqiang SHENG, Jinlin WANG, Yi LIAO, Xiaozhou YE, Gang CHENG, Haojiang DENG, Lingfang WANG
  • Publication number: 20200167357
    Abstract: A query enhancement system for constructing an elastic field based on a time delay, including: dividing a network node to obtain a set of containers composed of several containers, wherein the containers are nested and each container includes a management node for performing node organization, neighbor maintenance and query services within the container. Further, a query enhancement method for constructing an elastic field based on a time delay includes: carrying out same-layer non-intersection full-coverage division on a network node to obtain a set of containers that are nested, and execute a query flow without a given low time delay requirement which uses an existing query technique and a nearby query flow with a given low time delay requirement which uses a distributed nearby querying method to carry out a nearby query; with an actual query time delay index Ti less than the requirement of an upper time delay limit Ts.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 28, 2020
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING HILI TECHNOLOGY CO., LTD.
    Inventors: Jinlin WANG, Yiqiang SHENG, Gang CHENG, Xiaozhou YE, Haojiang DENG, Lingfang WANG
  • Patent number: 10523771
    Abstract: A data collection method, a device, and a system are provided for automatically obtaining a user's movement interests. The data collection method includes: a movement information collection device obtaining a user's movement data; analyzing said user's movement data and determining the user's movement preferences according to said movement data; sending the user's information of the movement preference to a server, so that the server determines according to the user's information of the movement preference other users corresponding to said movement preferences. It is thus possible to automatically obtain a user's movement preferences.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: December 31, 2019
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Chao Wang, Xiao Guo, Lingfang Zhong
  • Patent number: 10334084
    Abstract: The present invention provides a communication method based on an assembled communication protocol stack. The method comprises: construct protocols to form protocol modules, and place the protocol modules into a protocol module library; extract required protocol modules from the protocol module library, and assemble the extracted protocol modules to form a communication protocol stack; install the assembled communication protocol stack into a protocol stack running device; and an application on the protocol stack running device implements data communication by using the installed protocol stack. The specific process of constructing protocol modules comprises: constructing execution codes of protocols corresponding to an operating system to form protocol modules; and defining PDUs, that is, defining a corresponding data length and a data structure when each protocol module is in a mutual input/output relationship with other protocol modules in the protocol module library.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: June 25, 2019
    Assignee: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Lingfang Wang, Jinlin Wang
  • Publication number: 20170310676
    Abstract: The present invention relates to a method for accessing a switch external memory from a control plane and a data plane. A control module issues information about an authorized entity and an authorized operation to a switch, and the switch receives and stores the authorized information; the switch receives a file I/O operation instruction and determines whether an operation entity has the authority of the file I/O operation instruction according to the instruction and the authorized information; and for the operation entity having the authority of the file I/O operation instruction, the switch extracts an instruction index and parameter from the file I/O operation instruction and executes a file I/O operation.
    Type: Application
    Filed: March 12, 2015
    Publication date: October 26, 2017
    Applicants: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES, BEIJING INTELLIX TECHNOLOGIES CO. LTD.
    Inventors: Lingfang WANG, Jinlin WANG, Weining QI
  • Publication number: 20170302563
    Abstract: The present invention relates to a content-centric network on-demand distance vector route method, comprising: a request source node of a required request route broadcasts a route request packet CCN_RREQ to other nodes in a network, and starts a route discovery process; after a target node receives the route request packet CCN_RREQ, replying with a route reply packet CCN_RREP; after the request source node receives the route reply packet CCN_RREP returned by the target node, establishing a path between the request source node and the target node according to the content of the route reply packet CCN_RREP.
    Type: Application
    Filed: December 10, 2014
    Publication date: October 19, 2017
    Applicant: INSTITUTE OF ACOUSTICS,CHINESE ACADEMY OF SCIENCES
    Inventors: Jinlin WANG, Weining QI, Jiali YOU, Lingfang WANG
  • Publication number: 20170223147
    Abstract: The present invention provides a communication method based on an assembled communication protocol stack. The method comprises: construct protocols to form protocol modules, and place the protocol modules into a protocol module library; extract required protocol modules from the protocol module library, and assemble the extracted protocol modules to form a communication protocol stack; install the assembled communication protocol stack into a protocol stack running device; and an application on the protocol stack running device implements data communication by using the installed protocol stack. The specific process of constructing protocol modules comprises: constructing execution codes of protocols corresponding to an operating system to form protocol modules; and defining PDUs, that is, defining a corresponding data length and a data structure when each protocol module is in a mutual input/output relationship with other protocol modules in the protocol module library.
    Type: Application
    Filed: December 10, 2014
    Publication date: August 3, 2017
    Applicant: INSTITUTE OF ACOUSTICS,CHINESE ACADEMY OF SCIENCES
    Inventors: Lingfang WANG, Jinlin WANG
  • Patent number: 9692694
    Abstract: The present invention relates to a multi-protocol routing system, comprising a route determining module and a forwarding module which are located in network layer, wherein the route determining module is used for determining, based on the related information of applications and networks, the types of routable protocols and the next-hop path which are to be selected in the current routing phase; the forwarding module, including different routable protocols and corresponding routing information, is used for periodically calculating the newest remaining network resources and the state of link during a routing process and updating the forwarding table in current state. By integrating various characteristics and states of applications as well as different routable protocols, the present invention realizes real-time protocol selection and dynamic routing. Moreover, the present invention is easy to be expanded to other protocols, thus being adaptive to the continuous development and evolution of network services.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: June 27, 2017
    Assignee: Institute of Acoustics, Chinese Academy of Sciences
    Inventors: Jinlin Wang, Jiali You, Lingfang Wang
  • Publication number: 20170078430
    Abstract: A system includes a named data networking and a content delivery network, and a joint processing gateway. The named data networking is used for providing data content to a node in the content delivery network or sending a content request command to the content delivery network. The named data networking is a network formed by devices supporting a named data networking protocol. The content delivery network is used for providing data content to a node in the named data networking network or sending a content request command to the named data networking network. The content delivery network is a content delivery network set up over an IP network. The joint processing gateway is used for converting content data and transmitting the converted data from the named data networking to the content delivery network; and used for converting content data and transmitting the converted content data from the content delivery network to the named data networking.
    Type: Application
    Filed: December 10, 2014
    Publication date: March 16, 2017
    Inventors: Lingfang Wang, Jiali You, Jinlin Wang
  • Patent number: 9584410
    Abstract: The present invention relates to a Layer 2 adapter selecting system, including a Layer 3 packet requirements extracting module, a destination Layer 2 address acquiring module, a Layer 2 adapter metric acquiring module, an appropriate Layer 2 adapter identifier selecting module, a packet caching module and a packet scheduling module; wherein the packet caching module is configured to cache a received Layer 3 packet; the Layer 3 packet requirements extracting module is configured to read the Layer 3 packet and extract the type and a parameter value of the requirements; the Layer 2 adapter metric acquiring module is configured to acquire instant metric parameter values of each of the adapters; the appropriate Layer 2 adapter identifier selecting module calculates an adapter identifier and a Layer 3 packet metric; the destination Layer 2 address acquiring module is configured to acquire a Layer 2 address of each of the adapters associated with a destination Layer 3 address; and the packet scheduling module calls
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: February 28, 2017
    Assignee: Institute of Acoustics, Chinese Academy of Sciences
    Inventors: Jinlin Wang, Lingfang Wang, Jiali You, Feng Deng
  • Publication number: 20150180770
    Abstract: The present invention relates to a Layer 2 adapter selecting system, including a Layer 3 packet requirements extracting module, a destination Layer 2 address acquiring module, a Layer 2 adapter metric acquiring module, an appropriate Layer 2 adapter identifier selecting module, a packet caching module and a packet scheduling module; wherein the packet caching module is configured to cache a received Layer 3 packet; the Layer 3 packet requirements extracting module is configured to read the Layer 3 packet and extract the type and a parameter value of the requirements; the Layer 2 adapter metric acquiring module is configured to acquire instant metric parameter values of each of the adapters; the appropriate Layer 2 adapter identifier selecting module calculates an adapter identifier and a Layer 3 packet metric; the destination Layer 2 address acquiring module is configured to acquire a Layer 2 address of each of the adapters associated with a destination Layer 3 address; and the packet scheduling module calls
    Type: Application
    Filed: December 28, 2012
    Publication date: June 25, 2015
    Applicant: Institute of Accoustics, Chinese Academy of Sciences
    Inventors: Jinlin Wang, Lingfang Wang, Jiali You, Feng Deng
  • Publication number: 20150074287
    Abstract: The present invention relates to a multi-protocol routing system, comprising a route determining module and a forwarding module which are located in network layer, wherein the route determining module is used for determining, based on the related information of applications and networks, the types of routable protocols and the next-hop path which are to be selected in the current routing phase; the forwarding module, including different routable protocols and corresponding routing information, is used for periodically calculating the newest remaining network resources and the state of link during a routing process and updating the forwarding table in current state. By integrating various characteristics and states of applications as well as different routable protocols, the present invention realizes real-time protocol selection and dynamic routing. Moreover, the present invention is easy to be expanded to other protocols, thus being adaptive to the continuous development and evolution of network services.
    Type: Application
    Filed: January 7, 2013
    Publication date: March 12, 2015
    Inventors: Jinlin Wang, Jiali You, Lingfang Wang
  • Patent number: 8394901
    Abstract: An isoprene or butadiene cis 1,4-selective polymerization catalyst system together with its polymerization method is provided. This catalyst system is composed of NCN-imine pincer type rare earth metal complex of formula [2,6-(CH?N—R1)2-4-R2-1-C6H2]LnX2(THF)n and alkylating reagent. In an hydrocarbon solvent or under bulk conditions, at a polymerization temperature in a range of ?20-120° C., the conjugated diene is polymerized by using the catalyst system, to produce polyisoprene and polybutadiene having controllable number-average molecular weight, molecular weight distribution of 3.0 or less than, and cis 1,4-content of 95% or more, even 99% or more. The crude rubber and vulcanized rubber of the polyisoprene have high strength, stretching crystallization capability and transparency.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: March 12, 2013
    Assignee: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
    Inventors: Dongmei Cui, Xinli Liu, Dongtao Liu, Wei Gao, Shihui Li, Lingfang Wang, Zhichao Zhang
  • Publication number: 20120179870
    Abstract: A data storing method of a (d, k) Moore graph-based network storage structure is provided. The method arranges a number of formula(I) storing nodes in a wide area network (WAN) environment in accordance with a (d, k) Moore graph to form a strongly regular network structure, and utilizes implementation methods of different separate redundant array of independent disks (RAID) techniques of multiple degrees of reliability, thereby enabling data storing supported by network-RAIDs (NRAID) of multiple degrees of reliability in a network environment; said network structure of a strongly regular graph makes an arbitrarily accessed storing node as a controlling node, and uses other d+d(d?1) storing nodes as neighboring nodes of the controlling node, wherein d is the number of one-hop neighboring nodes; and d(d?1) are the number of two-hop neighboring nodes; the controlling node stores metadata of stored data, and sends information of accessing data; the neighboring nodes provide data storing services.
    Type: Application
    Filed: November 20, 2011
    Publication date: July 12, 2012
    Inventors: Jinlin Wang, Lingfang Wang, Jiali You, Haojiang Deng
  • Patent number: 8219707
    Abstract: A storage network structure comprises a primary distributed storage network (a cluster distributed storage network or a DHT (Distributed Hash Table)-based peer-to-peer storage network) and a Peterson graph-based storage network. The storage network structure provides different reliability classes for applications and combines the advantages of a peer-to-peer based distributed network storage with Peterson graph-based network storage, solve the problem of a large quantity of data migrating by utilizing the better media data migrating non-movable property from the Peterson graph-based network storage, and screen the single failure of the cluster storage structure and avoid performance degradation of peer-to-peer wide area storage by combining with the availability and robustness of Distributed Hash Table.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: July 10, 2012
    Assignees: Institute of Acoustics, Chinese Academy of Sciences, Beijing Acell Technology Co., Ltd.
    Inventors: Jinlin Wang, Lingfang Wang, Jiali You, Tingyi Li, Xiangdong Qi
  • Publication number: 20100286350
    Abstract: An isoprene or butadiene cis 1,4-selective polymerization catalyst system together with its polymerization method is provided. This catalyst system is composed of NCN-imine pincer type rare earth metal complex of formula [2,6-(CH?N—R1)2-4-R2-1-C6H2]LnX2(THF)n and alkylating reagent. In an hydrocarbon solvent or under bulk conditions, at a polymerization temperature in a range of ?20-120° C., the conjugated diene is polymerized by using the catalyst system, to produce polyisoprene and polybutadiene having controllable number-average molecular weight, molecular weight distribution of 3.0 or less than, and cis 1,4-content of 95% or more, even 99% or more. The crude rubber and vulcanized rubber of the polyisoprene have high strength, stretching crystallization capability and transparency.
    Type: Application
    Filed: April 28, 2009
    Publication date: November 11, 2010
    Inventors: Dongmei Cui, Xinli Liu, Dongtao Liu, Wei Gao, Shihui Li, Lingfang Wang, Zhichao Zhang