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of the operation and experiments of WINDS is shown in Fig. 1.en, the Fundamental Experiments were performed by the two satellite developers, NICT and JAXA. First of all, the basic communication properties were obtained. en, application experiments adopted by the Ministry of Internal Aairs and Communications through solicitation started from October 2008. ere were 53 proposals for application experiments and they were scheduled and promoted by forming the Association for Application Experiments of WINDS.NICT implemented fundamental experiments [1] dur-ing the Regular operation phase. Fundamental experiments consist of verication of the performance of onboard de-vices, basic transmission, high-speed satellite network, and network application, ranging from basic properties of the satellite communication network to applications.Since April 2013, when WINDS surpassed its design life of 5 years, it shied to the Post-operation phase and the application experiments were completed. During the Post-operation phase, JAXA has been implementing Utilization demonstration experiments and NICT has been performing post-operation experiments.Since April 2013, the Post-operation phase started and NICT has been performing experiments according to the Post-operation fundamental experiment plan with funda-mental experiments that have been performed since the Regular operation phase and new experiments such as Satellite communication experiments for disaster counter-measures.e framework of the Post-operation experiments is shown in Fig. 2. e schedule of the experiments is ar-ranged by an Experiments coordination meeting between NICT and JAXA. e experiment plan and the results are reported to the Satellite Application Experiment Promotion Conference organized by the Ministry of Internal Aairs and Communications and the experiment is promoted based on the evaluation and advice by the Conference.3NICT Post-operation fundamental experimentsthe items of the Post-operation fundamental experi-ments that NICT planned and performed are summarized in Table 1.Here, we introduce them although some of them have already been completed aer more than 4 years since the Post-operation fundamental experiments started.3.1Function verification experiment of Fully-automatic transportable stationAer the Great East Japan earthquake occurred in March 2011, we have developed a Fully-automatic trans-portable station that persons other than specialists can easily set up and acquire a satellite link with it.We veried the function and performance of the earth terminal.3.2Function verification experiment of Small-sized vehicle stationWe have developed an earth station that enables com-munication with a base station of a rescue party by track-ing a satellite while moving by car to the disaster area, which is a lesson learned by the experience of the Great East Japan earthquake.We veried the function and performance of this earth station such as the tracking property and basic propagation characteristics.FiF2Implementation system of experiments during the Post-operation phasereportEvaluation/adviceSatellite Application Experiment Promotion ConferenceJAXAUtilization Demonstration Experiments NICTFundamentalExperimentsinpost-operationphaseExperimentscoordinationmeetingreportEvaluation/adviceNo. of experimentItem of experimentN-L-01Function verification experiment of Fully-automatic transportable earth stationN-L-02Function verification experiment of Small-sized vehicle stationN-L-03Function verification experiment of small station on vesselN-L-04Satellite network experimentN-L-05Satellite communication experiments for disaster countermeasuresN-L-06Connection experiment with ground networksN-L-07Medical ICT satellite communications experimentN-L-08Basic experiments for future satellite technologyTabT1Items of fundamental experiments in Post-operation phase3 Ultra-High-Speed Satellite Communication Technology72　　　Journal of the National Institute of Information and Communications Technology Vol. 64 No. 2 (2017)