DESIGN AND REALIZATION OF THE HIERARCHICAL BROADCAST SYSTEM BASED ON GNU RADIO

摘要：

In traditional broadcast systems, the video services are broadcasted for all the users whose qualities are determined by the worst channel conditions. To achieve high performance gain for the users with good channel states, hierarchical modulation (HM) and scalable video coding (SVC) are proposed. Specifically, SVC provides base layer and enhancement layer videos so that the system can satisfy various requests of users, while HM improves the system efficiency by delivering both layers. In this paper, we realize the hierarchical broadcast system by the GNU Radio platform with the Universal Software Radio Peripheral (USRP). Then the simulation results, such as bit error rate (BER) and peak signal to noise ratio (PSNR) are presented to show that the hierarchical broadcast system can achieve better performance.

关键词： The Hierarchical Broadcast System HM SVC GNU Radio USRP

作者: Chunfei Zhang Wenbo Wang Dong Liang Mugen Peng

作者单位: Key Laboratory of Universal Wireless Communications,Beijing University of Posts and Telecommunications, Beijing 100876, China

会议类型: 国际会议

会议名称: 2011 4th IEEE International Conference on Broadband Network & Multimedia Technology(第四届IEEE宽带网络与多媒体国际会议 4th IEEE IC-BNMT2011)

会议地点: 深圳

会议语种:英文

页码: 130-135

在线出版日期: 2011-10-28（万方平台首次上网日期，不代表论文的发表时间）