Design and Analysis of Unequal Error Protection Rateless Spinal Codes

Design and Analysis of Unequal Error Protection Rateless Spinal Codes
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不等差错保护无率脊柱码的设计与分析

DOI:
10.1109/tcomm.2016.2606626
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发表时间:
2016-09
影响因子:
8.3
通讯作者:
Sun Yue
Sun Yue
中科院分区:
计算机科学2区
文献类型:
--
作者:
Yu Xiaopu;Li Ying;Yang Weiqiang;Sun Yue

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本文提出并分析了一种具有不等错误保护(UEP)和不等恢复时间特性的无比率脊髓码。提出的UEP脊码通过不同优先级的排列和不同优先级的不同段大小的设置来实现UEP。此外,提出了一种不等长传输方案,以提高传输速率,其中在每个通道中发送的符号的数量变化。此外,我们分析了所提出的UEP脊髓码的有限长度的性能,这使我们能够提供最大似然解码下的每个优先级的平均错误概率的上限。在此有限长结果的基础上,我们讨论了灵活高效的UEP脊码的设计。进一步的渐近性能分析表明,所提出的UEP脊码结合实际译码器,可以同时达到二进制对称信道和加性白色高斯噪声信道的容量。仿真结果验证了我们的分析。
In this paper, we propose and analyze an unequal error protection (UEP) rateless spinal code, which can provide UEP and unequal recovery time properties. The proposed UEP spinal codes achieve UEP by the permutation of different priority levels and the setup of different segment sizes for different priority levels. In addition, an unequal length transmission scheme to improve the transmission rate is proposed, where the number of transmitted symbols in each pass varies. Moreover, we analyze the finite-length performance of the proposed UEP spinal code, which enables us to provide the upper bound of average error probability for each priority level under maximum likelihood decoding. Based on this finite-length result, we discuss the design of UEP spinal code, which is flexible and efficient. Furthermore, the asymptotic performance analysis shows that the proposed UEP spinal code with a practical decoder can achieve the capacities of both binary symmetric channel and additive white Gaussian noise channel. Simulation results verify our analysis.
DOI: 10.1049/ep.1969.0319
发表时间: 1969
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