CAJ | 학술논문

针对可见光室内定位问题，该文基于接收信号强度(RSS)定位技术，提出一种利用多个 LED 发射端实现室内定位的方法，即MLED-RSS定位算法。该方法在充分考虑LED拓扑结构对定位性能影响的基础上，利用部署在室内的多个LED，合理选择其中3个LED作为发射节点，采用改进的三边定位法获得定位目标位置信息。定位算法可以有效地解决可见光定位存在的遮挡效应。仿真实验表明，MLED-RSS算法可以实现高定位精度。
침대가견광실내정위문제，해문기우접수신호강도(RSS)정위기술，제출일충이용다개 LED 발사단실현실내정위적방법，즉MLED-RSS정위산법。해방법재충분고필LED탁복결구대정위성능영향적기출상，이용부서재실내적다개LED，합리선택기중3개LED작위발사절점，채용개진적삼변정위법획득정위목표위치신식。정위산법가이유효지해결가견광정위존재적차당효응。방진실험표명，MLED-RSS산법가이실현고정위정도。
In order to apply Visible Light Communication (VLC) to indoor positioning, based on the Received Signal Strength (RSS) positioning technology, a scheme namely MLED-RSS positioning algorithm, utilizing multiple LED transmitters to achieve indoor positioning is proposed in this paper. In the proposed scheme, the impact of topology on positioning performanceis fully considered, three LEDsarereasonably selected from the multiple LEDs deployed in the room as transmitted nodes to provide position coordinates, and then the improved trilateration method is used to obtain the target location information. MLED-RSS positioning algorithm can effectively solve the block or shadow effect existing in indoor visible location. Simulation results show thatthe MLED-RSS positioning algorithm can achieve highlocalization accuracy.