| 应用于ROHC的窗基LSB编解码修正算法实现机制 |
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| 引用本文： | 张凤翔,洪佩琳,李津生.应用于ROHC的窗基LSB编解码修正算法实现机制[J].电路与系统学报,2004,9(1):153-156. |
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| 作者姓名： | 张凤翔 洪佩琳 李津生 |
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| 作者单位： | 中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027 |
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| 基金项目： | 国家863计划317主题资助课题:“移动IPv6关键技术”(2001AA121041)，国家自然科学基金重大研究计划资助课题:“下一代网络体系结构、协议模型与机制”(90104011) |
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| 摘 要： | 在移动：IPv6中，常常因为数据分组的头标太大而消耗过多的带宽，因而需要使用灵活可靠的鲁棒性头标压缩机制(ROHC)来对分组头标进行压缩。在ROHC中，使用LSB编码方案对分组中那些变化比较小的头标域进行编码。本文将在简要介绍ROHC原理的基础上，深入探讨应用于ROHC的窗基LSB编解码修正算法的实现机制。
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| 关 键 词： | ROHC LSB SN CRC 移动IPv6 鲁棒性 |
| 文章编号： | 1007-0249(2004)01-0153-04 |
| 修稿时间： | 2002年11月7日 |
Implementation Scheme of Window-based LSB Encoding and Decoding in ROHC |
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| ZHANG Feng-xiang,HONG Pei-lin,LI Jin-sheng.Implementation Scheme of Window-based LSB Encoding and Decoding in ROHC[J].Journal of Circuits and Systems,2004,9(1):153-156. |
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| Authors: | ZHANG Feng-xiang HONG Pei-lin LI Jin-sheng |
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| Abstract: | In mobile IPv6, large IPv6 headers can almost exhaust the scarce bandwidth resource if nothing to be done with it. Robust Header Compression (ROHC) technology is used to solve this problem. In ROHC, LSB encoding is employed to deal with IPv6 header fields whose values are usually subject to small changes. On the basic theory of ROHC, implementation scheme of LSB encoding and decoding algorithm is studied extensively. Accordingly, packet headers are compressed using Robust Header Compression (ROHC) algorithm. Principles of the LSB applied to ROHC are also elucidated. Adjustment is made to LSB method in accordance with RFC3095. Finally a practical window-based LSB encoding and decoding implementation scheme is presented. |
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| Keywords: | ROHC LSB SN CRC mobile IPv6 robust |
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