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Registered METHOD AND APPARATUS FOR UPLINK AUTOMATIC FREQUENCY CONTROL USING DOWNLINK IN FAST MOVING ENVRONMENTS

Inventors
Dukhyun You, Kim Il Gyu, Bang Seung Chan
Application No.
14037928 (2013.09.26)
Publication No.
20140086083 (2014.03.27)
Registration No.
9497721 (2016.11.15)
Country
UNITED STATES
Project Code
12PI3100, Development of High-speed Mobile Hotspot Network based on Mobile Wireless Backhaul, Kim Il Gyu
Abstract
Provided are an uplink frequency control method and a terminal apparatus using the same. The uplink frequency control method includes measuring a frequency offset with respect to a downlink, deriving a frequency offset component with respect to an uplink through the measured frequency offset, and correcting an uplink frequency offset using the derived frequency offset component. Therefore, by controlling an uplink frequency through a simple operation in a terminal, baseband design of a base station can be simplified, and uplink SNR performance can be improved.
KSP Keywords
Automatic frequency control, Baseband design, Frequency control, Measured frequency, Offset component, base station(BS), control method, frequency offset
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Status Patent Country KIPRIS
Registered METHOD FOR CONTROLLING UPLINK FREQUENCY AND APPARATUS USING THE METHOD KOREA KIPRIS