一种基于RDS单向广播信道的文件分发方法(英文)  

A Document Distribution Method Based on the RDS One-way Broadcast Channel

作　　者：庄逸众[1] 田野[1] 

机构地区：[1]北京邮电大学网络与交换技术国家重点实验室,北京100876

出　　处：《软件》2012年第12期197-200,共4页Software

摘　　要：RDS即无线数据广播系统,应用在范围在87.5MHz到108.0MHz的VHF/FM声音广播频带上,可进行立体声或单声道广播。RDS主要目标是扩展并改进FM接收器的功能功能,通过少量数字信息的传输,增强F电台的广播功能,使之对用户更加友好。使用RDS数据传输的优点是信号覆盖范围大,拥有丰富的终端设备支持和价格低廉,本文将提出一种基于RDS单向广播信道的文件分发方法。该方法包括文件分片,数据压缩和解压缩,分发和断电续传。此方法利用富余的FM广播频带,提供一种廉价的数据传输方案。The Radio Data System, RDS, is intended for application to VHF/FM sound broadcasts in the range 87.5 MHz to 108.0 MHz which may carry either stereophonic （pilot-tone system） or monophonic sound broadcasts. The main objectives of RDS are to enable improved fimctionality for FM receivers and to make them more friendly by using feature of embedding small amounts of digital information in conventional FM radio broadcasts. The advantage of using RDS for data transmission are wide signal coverage, rich terminal support and low prices. In this paper, a new document distribution method is put forward, based on the RDS one-way broadcas channel. This method includes file fragmentation, compression and decompression, distribute and resuming of file transfers. This method take advantage of the surplus FM broadcast band to provide an inexpensive data transmission scheme.

关 键 词：计算机应用 RDS 文件分发 FM广播 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]