Cognitive Radio (CR) is an efficient method to improve the spectrum efficiency. Industry and academic fields have focused on CR in recent years. Plenty of works on standardization of CR are concentrated among different standard organizations such as IEEE and ETSI, etc. This paper mainly introduces the work on standardization of CR in China. The proposals submitted to ITU-R from China is also introduced. Then the paper discusses the application scenarios of CR and overviews the standardization progresses of CR in CCSA. Finally, the testbed of CRS in China is discussed.
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