Chul-Keun Park

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This paper describes the detection of an incident wave by using an antenna measurement system with a prototype digital beam forming (DBF) reception system. The operation frequency, the local oscillator frequency, and IF frequency considered in this paper are 2.09 GHz, 2.08 GHz, and 10 MHz, respectively. The transmitting antenna consists of a broadband(More)
In this paper, we discuss the development of wireless and mobile communications in Korea, current technological trends, and the future outlook on technological developments. Since the introduction of the telegraph and the telephone in September 1885, Korea’s wired and wireless communications industry has consistently developed for over 100 years. Since(More)
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