Positioning Social Infrastructures from the Viewpoint of Systems Innovation:Smartphone Positioning Performance Using Wi-Fi

—Smartphone Positioning Performance Using Wi-Fi— Tetsuya MANABE†, Takaaki HASEGAWA†, Tomotaka NAGAOSA††, and Koichi AIHARA††† † Saitama University 255 Shimo–Okubo, Sakura–ku, Saitama, 338–8570 Japan †† Kanto Gakuin University 1-50-1 Mutsuura-higashi, Kanazawa-ku, Yokohama, 236-8501 Japan ††† Panasonic System Networks Co., Ltd. 600 Saedo-cho, Tsuzuki-ku, Yokohama, 224-8539 Japan E-mail: †{manabe,takaaki}@hslab.ees.saitama-u.ac.jp, ††nagaosa@kanto-gakuin.ac.jp, †††aihara.koichi@jp.panasonic.com