Implementation of the Addressable Broadcast System

• Main Authors: Jhen-Hong Liao, 廖振宏
• Other Authors: Jenn-Shing Wang
• Format: Others
• Language: zh-TW
• Published: 2011
• Online Access: http://ndltd.ncl.edu.tw/handle/3q5rxa

碩士 === 景文科技大學 === 電腦與通訊研究所 === 99 === The campus broadcast system is a commonly being used system such that its stability is most essential. The traditional campus broadcast system often operates to the entire campus, which in turn affects irrelevant classes, staffs and students. This paper proposes an addressable broadcast system which can send message to selected class without interfering with others. This system replaces the traditional broadcast system with network communication, which is easy to install and repair, and also improves the controllability and scalability. This system provides a main station and several subsidiary stations for system management. The main station can broadcast directly to every selected point through controlling the addressing decoder belonging to certain subsidiary station. The subsidiary station can broadcast to every selected point of its jurisdiction as well. The system can be easily handled via graphical human-machine interface and features the functions of regional broadcasting, group broadcasting, two-way communication between main and subsidiary stations, and priority control. In addition, the main and each subsidiary station possess the abilities of connection detection, reconnecting, and recording the scan log file. By which, the system can monitor the connection status at all times to provide various broadcasts with the least class interference and the most convenient operation.