Invention Grant
US08503401B2 Handover method and user equipment 有权
切换方式和用户设备

  • Patent Title: Handover method and user equipment
  • Patent Title (中): 切换方式和用户设备
  • Application No.: US12673024
    Application Date: 2008-07-21
  • Publication No.: US08503401B2
    Publication Date: 2013-08-06
  • Inventor: Yonggang Wang
  • Applicant: Yonggang Wang
  • Applicant Address: FR Paris
  • Assignee: Alcatel Lucent
  • Current Assignee: Alcatel Lucent
  • Current Assignee Address: FR Paris
  • Agency: Fay Sharpe LLP
  • Priority: CN200710045026 20070815
  • International Application: PCT/CN2008/001344 WO 20080721
  • International Announcement: WO2009/024013 WO 20090226
  • Main IPC: H04W4/00
  • IPC: H04W4/00 H04W36/00
Handover method and user equipment
Abstract:
A method and user equipment for performing a handover between a MBSFN and non-MBSFN areas in a communication network is provided. The communication network comprises a first cell constituting a MBSFN area, a second cell constituting the non-MBSFN area, and a reserved cell between the first and second cells and subordinate to the MBSFN area. Reserved cell indication information being broadcast in the reserved cell. The method including: receiving the reserved cell indication information to learn that a user equipment is located in the reserved cell; measuring in the reserved cell, for a preset service, a first signal strength based on MBMS transmission and a second signal strength based on a single-cell transmission; and selecting the first or second cells as a target cell during a period in which a difference between the first and second signal strengths is lower than a preset threshold.
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