发明授权
- 专利标题: Method and apparatus for call recovery in a wireless communication system
- 专利标题(中): 无线通信系统中呼叫恢复的方法和装置
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申请号: US09738016申请日: 2000-12-15
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公开(公告)号: US07945266B2公开(公告)日: 2011-05-17
- 发明人: Tao Chen , Jun Wang
- 申请人: Tao Chen , Jun Wang
- 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
- 代理商 Rupit M. Patel
- 主分类号: H04W36/00
- IPC分类号: H04W36/00 ; H04W4/00
摘要:
A method and apparatus for call recovery in a wireless communication system (10). When the communication link between a mobile station (38) and a base station (32) is in trouble, the mobile station and the infrastructure prearrange potential rescue base stations (34). The source cell base station contacts all recovery-capable neighbors as potential rescuers. Each rescue base station is instructed to use a default channel for rescue transmissions. The rescue transmission is considered a call recovery operation. The mobile station establishes a soft hand-off with rescue base station, wherein the FL uses the default channel and an alternate channel. Once hand-off is complete the rescue base station discontinues use of the default channel. In one embodiment, the source cell base station provides the mobile station with the list of recovery-capable neighbors as overhead during transmissions and prior to development of the communication link problem.
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