DTN中基于RLNC的高效数据传输 |
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引用本文: | 秦爽,冯钢.DTN中基于RLNC的高效数据传输[J].电子科技大学学报(自然科学版),2013,42(5):672-677. |
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作者姓名: | 秦爽 冯钢 |
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作者单位: | 1.电子科技大学通信抗干扰技术国家级重点实验室 成都 611731 |
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基金项目: | 国家自然科学基金(61071098,61101099) |
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摘 要: | 建立了一个有效的理论模型来分析延迟容忍网络(DTN)中基于随机线性网络编码(RLNC)的Epidemic路由传输协议下的数据传输性能。该模型较准确地描述了传输带宽有限的DTN中的数据传输过程,反映了采用RLNC后的数据传输特点和性能优势,为分析DTN中基于RLNC的数据传输性能提供了有效的理论工具。通过与传统Epidemic协议数据传输性能的比较,证明了RLNC能有效地提高DTN中的数据传输性能。该模型为设计DTN中具有良好传输性能的基于RLNC的路由传输协议提供了理论依据。
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关 键 词: | 延迟容忍网络 网络编码 性能分析 理论建模 |
收稿时间: | 2011-11-03 |
Efficient Data Transmission Using RLNC in DTN |
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Affiliation: | 1.National Key Laboratory of Electronic Science and Technology,University of Electronic Science and Technology of China Chengdu 611731 |
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Abstract: | In this paper, a theoretical model is developed to evaluate the data transmission performance of RLNC-based Epidemic routing in DTNs. This model can trace the data transmission process under transmission bandwidth limitation and provides an insight about the characters of RLNC-based data transmission in DTNs. The data transmission delay of RLNC-based routing protocol is compared with that of conventional routing protocol. The results demonstrate the significant performance improvement for data transmission in DTNs brought by RLNC. The proposed model provides a general tool for performance evaluation and useful guidelines for designing RLNC based routing protocols in DTNs. |
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