The sex difference in balance performance (some of which are significant only in the elderly) and the sex difference in age-related change of balance performance were demonstrated in mediolateral direction. These sex differences may contribute to the sex difference in balance-related problems, such as falls.
Underwater acoustic(UWA) communication has multipath error because of reflection by sea-level and sea-bottom. The multipath of UWA channel causes signal distortion and error floor. In this paper, we proposed split input bits of channel decoder using method of maximum value, average value, LLR value for optimal estimation. Channel coding method is LDPC(N size=16000) standard in DVB-S2. As shown in simulation results, the performance of LLR value method is better than other methods.
키워드수중 음향 통신(UWA), 저밀도 패리티 검사 코드, 다중 경로, LLR
Abstract.With the technological growth of the AV(Audio and Video) equipments and the popularization of video contents, IEEE1394 for the transmission of AV data has spread fast. However, DLNA(Digital Living Network Alliance), which is a standard of the home network middleware, does not consider the transmission of AV data over IEEE1394. In this paper, we propose a scheme for transmission of AV contents over IEEE1394 in DLNA environments. In addition, by the validation test of DLNA compatibility, we show that our proposed scheme can support AV contents sharing without regard to the manufactures and transmission media.
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