07DI1100, 견마형 로봇을 위한 원격 통제장치 및 WiBro 무선통신장치 개발,
Kim Sung Hoon
Abstract
견마로봇의 통신시스템은 견마로봇이 경계작전을 통해 얻은 멀티미디어 데이터를 지휘국으로 전송하는 상향링크 위주의 시스템으로, 현재의 하향링크 위주의 와이브로 시스템을 견마로봇 통신시스템에 이용하기 위해서는 많은 데이터를 전송하는 상향링크 위주의 전송변수를 갖는 시스템으로 재설계해야 한다. 본 논문은 상향링크에 중점을 둔 견마로봇 시스템에 적합한 전송변수를 결정하였다. WiBro 프레임 내의 슬롯의 개수는 하향링크시 6개 상향링크시 30개로 하였고, AMC, PUSC 전송방식등을 이용하여 견마로봇의 요구 데이터율을 만족하는 변조율과 부호화율에 맞는 Nep(실효부호패킷의 크기)를 결정하였다. 전산모의실험은 ITU-R. M1225 채널모델을 기반으로 각 전송방식별 Nep와 견마로봇의 이동속도에 따른 전산모의실험을 하였고 설계한 통신변수의 성능분석을 하였다.
KSP Keywords
International telecommunications union radiocommunication(ITU-R)
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