Patents by Inventor Zongyou Zhang

Zongyou 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).

  • Patent number: 9749878
    Abstract: A system, method and device for adjusting communication parameters for networks communicating with a communication device are provided. The method comprises: when the communication device is linked to a first communication network and a second communication network, comparing a strength of received signals from the second network against a threshold; and when the strength of the received signals is less than the threshold, adjusting a network parameter of signals received from the second communication network by the communication device.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: August 29, 2017
    Assignee: BLACKBERRY LIMITED
    Inventors: Lizhong Zhu, Fei He, Yan Wu, Qingmai Zhou, Jun Xu, Michael Peter Montemurro, Zongyou Zhang
  • Patent number: 9538436
    Abstract: An electronic device monitors a quality of a wireless connection between the electronic device and a first access point. Based on the monitoring and a collection of parameters relating to controlling handover between access points, a determination is made regarding whether the electronic device should be handed over to a second access point from the first access point, where the parameters differ for different combinations of the first access point and candidate destination access points for handover of the electronic device from the first access point.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: January 3, 2017
    Assignee: BlackBerry Limited
    Inventors: Lizhong Zhu, Khaled Lakhdhar, Michael Peter Montemurro, Fei He, Qingmai Zhou, Jun Xu, Dong Wang, Zongyou Zhang, Mohammed Mahdi Hasan, Libo Zhu, Cristian Lambiri, Goran Hageltorn, Yan Wu, Daniel Fischer
  • Publication number: 20160066225
    Abstract: An electronic device monitors a quality of a wireless connection between the electronic device and a first access point. Based on the monitoring and a collection of parameters relating to controlling handover between access points, a determination is made regarding whether the electronic device should be handed over to a second access point from the first access point, where the parameters differ for different combinations of the first access point and candidate destination access points for handover of the electronic device from the first access point.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 3, 2016
    Inventors: LIZHONG ZHU, KHALED LAKHDHAR, MICHAEL PETER MONTEMURRO, FEI HE, QINGMAI ZHOU, JUN XU, DONG WANG, ZONGYOU ZHANG, MOHAMMED MAHDI HASAN, LIBO ZHU, CRISTIAN LAMBIRI, GORAN HAGELTORN, YAN WU, DANIEL FISCHER
  • Publication number: 20150036514
    Abstract: A system, method and device for adjusting communication parameters for networks communicating with a communication device are provided. The method comprises: when the communication device is linked to a first communication network and a second communication network, comparing a strength of received signals from the second network against a threshold; and when the strength of the received signals is less than the threshold, adjusting a network parameter of signals received from the second communication network by the communication device.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 5, 2015
    Applicant: BlackBerry Limited
    Inventors: Lizhong Zhu, Fei He, Yan Wu, Qingmai Zhou, Jun Xu, Michael Peter Montemurro, Zongyou Zhang