Patents by Inventor Jiangchuan Liu

Jiangchuan Liu 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).

  • Patent number: 7489653
    Abstract: A framework and method for quality of service (QoS) aware resource discovery in mobile ad hoc networks are presented. Self-organized discovery agents manage the directory information that describes the network resources available for use by clients. In one embodiment, hash indexing of available resources is utilized. The discovery agents also partition the network into domains and collect intra- and inter-domain QoS information. This information is used to allow clients to select appropriate resource providers. This framework and method has low discovery latency and cost in terms of the number of packets for each resource discovery query.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: February 10, 2009
    Assignee: Microsoft Corporation
    Inventors: Qian Zhang, Wenwu Zhu, Jiangchuan Liu
  • Patent number: 7194002
    Abstract: A network performance (e.g., latency and bandwidth) measurement infrastructure for large scale networks based on self-organized probing groups of devices. Each group of devices has a lead device that measures network characteristics, and then shares the measurement information with other devices. This grouping method reduces the amount of network bandwidth needed for adequate measurements, while still providing necessary information to individual devices. The system utilizes a novel multicast-based algorithm that is adopted for both intra-group and inter-group performance measurement. The measurement groups (MeGroups) are dynamic and self-forming, and use a set of heuristic algorithms to optimize the dynamic groupings.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: March 20, 2007
    Assignee: Microsoft Corporation
    Inventors: Qian Zhang, Wenwu Zhu, Jiangchuan Liu, XinYan Zhang
  • Patent number: 7113796
    Abstract: A framework and method for quality of service (QoS) aware resource discovery in mobile ad hoc networks are presented. Self-organized discovery agents manage the directory information that describes the network resources available for use by clients. In one embodiment, hash indexing of available resources is utilized. The discovery agents also partition the network into domains and collect intra- and inter-domain QoS information. This information is used to allow clients to select appropriate resource providers. This framework and method has low discovery latency and cost in terms of the number of packets for each resource discovery query.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: September 26, 2006
    Assignee: Microsoft Corporation
    Inventors: Qian Zhang, Wenwu Zhu, Jiangchuan Liu
  • Publication number: 20050128944
    Abstract: A framework and method for quality of service (QoS) aware resource discovery in mobile ad hoc networks are presented. Self-organized discovery agents manage the directory information that describes the network resources available for use by clients. In one embodiment, hash indexing of available resources is utilized. The discovery agents also partition the network into domains and collect intra- and inter-domain QoS information. This information is used to allow clients to select appropriate resource providers. This framework and method has low discovery latency and cost in terms of the number of packets for each resource discovery query.
    Type: Application
    Filed: January 27, 2005
    Publication date: June 16, 2005
    Applicant: Microsoft Corporation
    Inventors: Qian Zhang, Wenwu Zhu, Jiangchuan Liu
  • Publication number: 20030147386
    Abstract: A network performance (e.g., latency and bandwidth) measurement infrastructure for large scale networks based on self-organized probing groups of devices. Each group of devices has a lead device that measures network characteristics, and then shares the measurement information with other devices. This grouping method reduces the amount of network bandwidth needed for adequate measurements, while still providing necessary information to individual devices. The system utilizes a novel multicast-based algorithm that is adopted for both intra-group and inter-group performance measurement. The measurement groups (MeGroups) are dynamic and self-forming, and use a set of heuristic algorithms to optimize the dynamic groupings.
    Type: Application
    Filed: February 1, 2002
    Publication date: August 7, 2003
    Applicant: Microsoft Corporation
    Inventors: Qian Zhang, Wenwu Zhu, Jiangchuan Liu, XinYan Zhang
  • Publication number: 20030139187
    Abstract: A framework and method for quality of service (QoS) aware resource discovery in mobile ad hoc networks are presented. Self-organized discovery agents manage the directory information that describes the network resources available for use by clients. In one embodiment, hash indexing of available resources is utilized. The discovery agents also partition the network into domains and collect intra- and inter-domain QoS information. This information is used to allow clients to select appropriate resource providers. This framework and method has low discovery latency and cost in terms of the number of packets for each resource discovery query.
    Type: Application
    Filed: January 18, 2002
    Publication date: July 24, 2003
    Applicant: Microsoft Corporation
    Inventors: Qian Zhang, Wenwu Zhu, Jiangchuan Liu
  • Patent number: D1021425
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: April 9, 2024
    Inventor: Jiangchuan Liu