Research-based learning is an important way of education in college. It is necessary to acquire knowledge and information effectively, and a user-friendly learning support system could guarantee students' efficiency in research-based learning. This paper makes an investigation about students' demands of knowledge and information, and about their demands of learning support system in research-based learning on "Mobile Communication" course. The content of investigation include students' awareness of the knowledge and information's acquirement, affordable capacity of information consumption, demands on learning support system, and so on. Through the survey, we find that it is necessary to provide personalized learning support by exploring learners' characteristics fully so as to improve their efficiency in research-based learning. In addition, learning support system of mobile-phone-newspaper mode can further enhance learning support services in real time.