发明授权
- 专利标题: Conditional access terminal initiation of delayed handover
- 专利标题(中): 条件接收终端启动延迟切换
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申请号: US12618142申请日: 2009-11-13
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公开(公告)号: US09155014B2公开(公告)日: 2015-10-06
- 发明人: Nathan E. Tenny , Parag A. Agashe , Rajat Prakash
- 申请人: Nathan E. Tenny , Parag A. Agashe , Rajat Prakash
- 申请人地址: US CA San Diego
- 专利权人: QUALCOMM INCORPORATED
- 当前专利权人: QUALCOMM INCORPORATED
- 当前专利权人地址: US CA San Diego
- 主分类号: H04W36/24
- IPC分类号: H04W36/24 ; H04W24/08
摘要:
The number of handover-related failures that occur in a communication system may be reduced by taking target access point conditions into account when declaring radio link failure and/or by delaying certain handover operations. In some aspects, criteria for radio link failure detection and access terminal-controlled mobility may take into account access point parameters related to neighboring cells that may be available as mobility targets. For example, filtering mechanisms for detecting radio link failure based on radio layer problem reports may also take into account the availability of various neighbor access points and their measured signal strengths. In addition, a handover command may be sent earlier than in conventional systems (e.g., the handover command may be sent even though the target access point is weaker than the source access point) and include an indication that instructs the access terminal to delay handover until a specified condition is met. For example, handover may be delayed until the target access point becomes stronger than the source access point.
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