| Summary: | 碩士 === 國立交通大學 === 電機資訊學院碩士在職專班 === 92 === An integrated C3I system is not only used for information collection and distribution but is also designed for prevention from being destroyed or rendered useless by enemy offensive operations. In other words, the survivability of the C3I is at least as critical as the other major capabilities of the system. At the strategic level, defense of C3I centers and the associated communications networks is crucial for maintaining an effective second-strike capability. Therefore, satellite links, because of their robustness against jamming if proper designed, has become a critical part of the C3I system for countries with advanced C3I networks.
We are interested in Geostationary Ka band links for they are capable of providing extra protection margin against interference and jamming. Besides its defense applications, Ka Band satellite systems can provide the optimum solution for the distribution of broadband signals when the appropriate applications have been developed and made available at an affordable price. GPS-aided navigation is a useful application for which Ka Band is a natural candidate, especially when coupled with the provision of broadband services to mobile platforms, especially aircrafts. Other civil applications include emergency communications, flood and other natural disaster warning and environmental protection.
For all its usefulness, however, Ka band satellite communication systems still have to address issues like technology feasibility concerning rain-fade compensation, on-board processing, users’ requirements, and cost/performance tradeoff. The purpose of this study is to present solutions to these related issues and investigate the feasibility of having a domestic broadband geostationary Ka-band satellite either as a component of the C3I network or as a standalone communication link and explore its civil applications.
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