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This work shows the experiment results about the study of radio wave propagation at 5.8 GHz, under the free line of sight propagation used for air traffic control - ATC communication system as a challenge to discover about the real feasibility of using this C band for air traffic control. The most important results are the evaluation of Rice K factor, and the practical solution to increase the received signal power at the area around the airport by using aluminum reflecting boards putted surround the transmitting antenna. In additional, based on such experimental results, another work was also done. This is the study of OFDMA scheme (orthogonal frequency division multiple access) in both current conventional VHF band and evaluated C band to establish a new wide-band radio communication system that can satisfy the new requirement of air traffic density/airline use in the future.
Ho et al. (Wed,) studied this question.
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