(中國傳媒大學 計算機學院,北京市 朝陽區 100024)
摘要:本文對DRM單頻網系統的體系結構和實施方案做了簡單介紹,提出了一種基于GPS同步的數據緩沖處理的實現方法,并詳細介紹了數據緩沖處理基于FPGA的實現方案。
關鍵詞:DRM;SFN;FIFO;GPS;
中圖分類號:TN934 文獻標識碼:A 文章編號:
Data Buffer Method in DRM SFN Synchronization System
ZHENG Li1,LI Zhengxiang2,HOU Yahui3
。–ommunication University of China,Beijing 100024,China. Zheng Li,zhengli_0927@163.com)
Abstract: In this paper, the architecture and implementation scheme of DRM single frequency network system is introduced. A data buffer method based on GPS synchronization is presented and an implementation with FPGA is also specified.
Key words:DRM;SFN;FIFO;GPS;
參考文獻 (References)
[1]楊領軍,呂銳,楊占昕,DRM單頻網規劃與實現[J],中國傳媒大學學報自然科學版,2008,15:20-24.
Yang Lingjun, Lv Rui, Yang Zhanxin, The Planning and Realization of DRM Single Frequency Network, Journal of Communication University of China(science and technology), 2008, 12:20-24.
[2]周敏,高速異步FIFO的設計與實現[J],計算機工程與科學,2009,31:85-87.
Zhou Min,Design and Implementation of High-Speed Asynchronous FIFO[J],Computer Engineering&Science, 2009,31:85-87.
[3]宋靖濤,陳雪紅,單頻網適配器關鍵技術研究與實現[J],中國有線電視,2007,8:738-740.
Song Jingtao,Chen Xuehong, The Key Technology Research and I mplemen t a tion of the SFN Adaptor [J], China Digital Cable TV, 2007,8:738-740.
[4]楊領軍,數字廣播電視中的單頻網技術[J],中國有線電視,2006,22:2169-2171.
Yang Lingjun, Single Frequency Network Technology in Digital Broadcast and TV, China Digital Cable TV, 2006,22: 2169-2171.
[5] ETSI TS 102 349 V 1-2-1, 2005, European Telecommunications Standard Institute Union, Digital Radio Mondiale (DRM); Receiver Status and Control Interface (RSCI) [S].
[6] ETSI TS 102 821 V1.2.1, 2005, European Telecommunications Standard Institute, Digital Radio Mondial (DRM) Distribution and Communications Protocol (DCP) [S].
作者簡介:
鄭立(1987- ),男,山東鄒城人,中國傳媒大學計算機學院碩士研究生,研究方向:信號與信息處理。