| 发明名称 | Uplink synchronization in multiple carrier system | ||
| 摘要 | A method and apparatus of uplink synchronization in a multiple carrier system is provided. After establishing Uplink synchronization for a primary carrier, a secondary carrier based on activation information via the primary carrier is activated. A periodic ranging via the secondary carrier is performed to adjust uplink synchronization for the secondary carrier. | ||
| 申请公布号 | US8885579(B2) | 申请公布日期 | 2014.11.11 |
| 申请号 | US200913128403 | 申请日期 | 2009.11.10 |
| 申请人 | LG Electronics Inc. | 发明人 | Ryu Ki Seon;Lee Eun Jong;Yuk Young Soo;Kim Yong Ho |
| 分类号 | H04W4/00;H04J3/06;H04W56/00;H04L27/26;H04L5/00 | 主分类号 | H04W4/00 |
| 代理机构 | Lee, Hong, Degerman, Kang & Waimey | 代理人 | Lee, Hong, Degerman, Kang & Waimey |
| 主权项 | 1. A method of uplink synchronization in a multiple carrier system, performed by a mobile station, the method comprising: establishing uplink synchronization for a primary carrier; activating a secondary carrier based on activation information received via the primary carrier; and if the activation information includes an indicator indicating whether a periodic ranging is needed to be performed, performing the periodic ranging over the secondary carrier to adjust uplink synchronization for the secondary carrier. | ||
| 地址 | Seoul KR | ||