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Method of acquiring uplink synchronization for mobile WiMax system analyzer
Method of acquiring uplink synchronization for mobile WiMax system analyzer
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机译:移动WiMax系统分析仪获取上行同步的方法
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摘要
Disclosed herein is a method of acquiring Uplink (UL) synchronization for a mobile WiMax system analyzer. When a DL sub-frame is received, the method is performed on a Portable Subscriber Station (PSS) having a test mode function of creating a UL sub-frame through the mobile WiMax system analyzer having signal generating means configured to store the CID information in advance and signal analyzing means configured to receive and analyze the DL sub-frame. The method includes step (a) of the signal generating means continuously D/A converting, RF-modulating and outputting the DL sub-frame, step (b) of the signal analyzing means receiving the UL sub-frame, step (c) of the signal analyzing means continuously demodulating, A/D-converting and capturing the modulated UL sub-frame, and step (d) of the signal analyzing means acquiring UL synchronization by comparing the UL sub-frame with the data captured at step (c) using a time correlation technique.
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