Invention Grant
- Patent Title: Mobile radio communications device and related method of operation
- Patent Title (中): 移动无线电通信设备及相关操作方法
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Application No.: US13000851Application Date: 2009-06-18
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Publication No.: US08570890B2Publication Date: 2013-10-29
- Inventor: Weili Ren , Michael Nosley
- Applicant: Weili Ren , Michael Nosley
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Priority: GB0812089.1 20080702
- International Application: PCT/JP2009/061549 WO 20090618
- International Announcement: WO2010/001789 WO 20100107
- Main IPC: H04J1/16
- IPC: H04J1/16 ; H04J3/16
Abstract:
A mobile station establishes UL synchronization by the use of downlink preamble messages, and by monitoring timing drift within the downlink signalling and by updating the UL synchronization value responsive to the magnitude of the timing drift exceeding a threshold value. Tx power values can also be updated as a function of the updated synchronization value.
Public/Granted literature
- US20110116407A1 MOBILE RADIO COMMUNICATIONS DEVICE AND RELATED METHOD OF OPERATION Public/Granted day:2011-05-19
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