Invention Grant
- Patent Title: Uplink time synchronization in a communication system
- Patent Title (中): 通信系统中的上行链路时间同步
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Application No.: US12758140Application Date: 2010-04-12
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Publication No.: US08213406B2Publication Date: 2012-07-03
- Inventor: Yehuda Y. Luz , Gregory M. Agami , Vincent M. Sciascia
- Applicant: Yehuda Y. Luz , Gregory M. Agami , Vincent M. Sciascia
- Applicant Address: US IL Libertyville
- Assignee: Motorola Mobility, Inc.
- Current Assignee: Motorola Mobility, Inc.
- Current Assignee Address: US IL Libertyville
- Main IPC: H04J3/06
- IPC: H04J3/06

Abstract:
An apparatus and method for uplink time synchronization in a communication system includes a first step 602 of receiving uplink data from a user equipment. A next step 604 includes storing a time error of the uplink data along with a time stamp. A next step 620 includes integrating the time error to provide an accumulated time error. A next step 606, 626 includes dumping the accumulated time error upon the time stamps of the accumulated data meeting a timing condition. A next step 610 includes comparing the accumulated time error against a threshold. A next step 616 includes scheduling a time advance with the user equipment if the accumulated time error exceeds the threshold.
Public/Granted literature
- US20110249550A1 UPLINK TIME SYNCHRONIZATION IN A COMMUNICATION SYSTEM Public/Granted day:2011-10-13
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