Patents by Inventor Jiancheng Du

Jiancheng Du 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: 9848429
    Abstract: A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: December 19, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zongquan Tang, Xinfa Wang, Jiancheng Du, Li Chen, Xialing Liu, Limin Xia
  • Patent number: 9572141
    Abstract: A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: February 14, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zongquan Tang, Xinfa Wang, Jiancheng Du, Li Chen, Xialing Liu, Limin Xia
  • Patent number: 9565683
    Abstract: A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: February 7, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zongquan Tang, Xinfa Wang, Jiancheng Du, Li Chen, Xialing Liu, Limin Xia
  • Publication number: 20150071221
    Abstract: A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.
    Type: Application
    Filed: November 12, 2014
    Publication date: March 12, 2015
    Inventors: Zongquan Tang, Xinfa Wang, Jiancheng Du, Li Chen, Xialing Liu, Limin Xia
  • Publication number: 20120033635
    Abstract: A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.
    Type: Application
    Filed: October 14, 2011
    Publication date: February 9, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zongquan Tang, Xinfa Wang, Jiancheng Du, Li Chen, Xialing Liu, Limin Xia
  • Publication number: 20100135215
    Abstract: A method for bearing CS-domain service data over radio bearer is disclosed. The method includes: letting CS-domain service data be borne over a radio high-speed packet data access channel according to a channel mapping relation between CS-domain service data and the radio high-speed packet data access channel. An apparatus and a system are also provided herein.
    Type: Application
    Filed: December 29, 2009
    Publication date: June 3, 2010
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zongquan Tang, Xinfa Wang, Jiancheng Du, Li Chen, Xialing Liu, Limin Xia
  • Patent number: 7283787
    Abstract: The present invention relates to a repeater for positioning mobile station and a method thereof. The repeater according to the present invention is implemented through adding a cell identifier generator module to the downlink circuit structure of a conventional repeater; said cell identifier generator module includes: a synchronization searching unit designed to search for base station synchronization signal, a time delay unit designed to generate a fixed delay between start time of cell identifier signal frame and start time of base station pilot signal frame, and a cell identifier signal generating unit designed to generate cell identifier signal code word.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: October 16, 2007
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xinxi Diao, Jiancheng Du
  • Publication number: 20050153653
    Abstract: “The present invention relates to a repeater for positioning mobile station and a method thereof. The repeater according to the present invention is implemented through adding a cell identifier generator module to the downlink circuit structure of a conventional repeater; said cell identifier generator module includes: a synchronization searching unit designed to search for base station synchronization signal, a time delay unit designed to generate a fixed delay between start time of cell identifier signal frame and start time of base station pilot signal frame, and a cell identifier signal generating unit designed to generate cell identifier signal code word.
    Type: Application
    Filed: January 27, 2003
    Publication date: July 14, 2005
    Inventors: Xinxi Diao, Jiancheng Du