[time] 2020-11-30T10:23:05+01:00 [team_name] yonayona [team_institution] keio university [logolink] [system_name] [website] [track] 5 [reference_person] yoshitomo yonamoto [email] yonayona@keio.jp [description] My main method is to emphasis on absolute positioning technology. In a certain of time, I use more than 3 detected beacons, try various approaches such as average weighted and trilateration. and choose best estimation. I also tackle to decrease negative check points by implementing prevent-intersect-wall algorithm. [references]