Optimal satellite constellation spare strategy using multi-echelon inventory control with stochastic demand and lead times. - Pauline C. M. Jakob; Koki Ho; Seiichi Shimizu; Shoji Yoshikawa (CoRR, 2018)

Satellite Constellation Design Methodology for Optimal Regional Coverage. - Hang Woon Lee; Seiichi Shimizu; Shoji Yoshikawa; Koki Ho (CoRR, 2019)