CAJ | 학술논문

介绍了VSAT数据网原理、卫星通信系统宽带化的发展趋势及DVB-RCS开放标准。通过介绍基于DVB-RCS的VSAT宽带卫星通信系统在工程中的应用实例,其中包括系统业务与特点,以及各子系统的基本配置等,可以得出,随着网络和业务的宽带化,VSAT卫星通信系统正在从传统的窄带向宽带系统转变。在现有技术中,基于DVB-RCS标准因其开放性和较高性价比,在VSAT宽带卫星通信系统中的应用将具有广泛的市场前景,尤其在广大偏远农村地区,将成为解决我国农村通信问题的主要手段之一。
개소료VSAT수거망원리、위성통신계통관대화적발전추세급DVB-RCS개방표준。통과개소기우DVB-RCS적VSAT관대위성통신계통재공정중적응용실례,기중포괄계통업무여특점,이급각자계통적기본배치등,가이득출,수착망락화업무적관대화,VSAT위성통신계통정재종전통적착대향관대계통전변。재현유기술중,기우DVB-RCS표준인기개방성화교고성개비,재VSAT관대위성통신계통중적응용장구유엄범적시장전경,우기재엄대편원농촌지구,장성위해결아국농촌통신문제적주요수단지일。
This paper describes the principles of VSAT data networks,satellite communication systems and the development trend of the broadband DVB-RCS open standard.Through the introduction of VSAT DVB-RCS based broadband satellite communication system in an engineering application examples,including system operations and characteristics,and the basic configuration of the subsystem,it can be concluded that along with broadband networks and services,VSAT satellite communication systems are transforming from the narrowband to broadband system.In the existing technology,based on DVB-RCS standard which has the advantages of openness and low cost,the VSAT broadband satellite communications system will have broad market prospects,especially in the vast remote rural areas.It will be one of the major solutions to the communication problem of the rural areas.