Efficient unequal error protection for online fountain codes

被引：3
|
作者：
Shi Pengcheng [1 ]
Wang Zhenyong [1 ,2 ]
Li Dezhi [1 ]
Lyu Haibo [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin 150001, Peoples R China
[2] Shenzhen Acad Aerosp Technol, Shenzhen 518057, Peoples R China
来源：
JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS | 2024年 / 35卷 / 02期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
online fountain code; random graph; unequal error protection (UEP); rateless code; DESIGN;
D O I：
10.23919/JSEE.2022.000156
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, an efficient unequal error protection (UEP) scheme for online fountain codes is proposed. In the build-up phase, the traversing-selection strategy is proposed to select the most important symbols (MIS). Then, in the completion phase, the weighted-selection strategy is applied to provide low overhead. The performance of the proposed scheme is analyzed and compared with the existing UEP online fountain scheme. Simulation results show that in terms of MIS and the least important symbols (LIS), when the bit error ratio is 10(-4), the proposed scheme can achieve 85% and 31.58% overhead reduction, respectively.
引用
收藏
页码：286 / 293
页数：8
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