| 重量为3的强避免冲突中心码容量上限 |
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| 引用本文： | 于志华,王金华. 重量为3的强避免冲突中心码容量上限[J]. 南通大学学报(自然科学版), 2012, 11(2): 62-67 |
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| 作者姓名： | 于志华 王金华 |
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| 作者单位： | 南通大学理学院,江苏南通,226007 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 强避免冲突码适用于无反馈异步多址冲突信道,码中所包含的码字的个数称为码的容量,它是系统中所支持的潜在用户的个数.给出了重量为3的强避免冲突中心码容量上限.进一步通过直接构造,证明了某些码类容量能达到上限.
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| 关 键 词： | 避免冲突码 强避免冲突码 中心码 无反馈冲突信道 |
Upper Bound on the Size of Strongly Conflict-Avoiding Centered Codes with Weight Three |
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| YU Zhi-hua,WANG Jin-hua. Upper Bound on the Size of Strongly Conflict-Avoiding Centered Codes with Weight Three[J]. Journal of Nantong University (Natural Science Edition), 2012, 11(2): 62-67 |
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| Authors: | YU Zhi-hua WANG Jin-hua |
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| Affiliation: | (School of Sciences,Nantong University,Nantong 226007,China) |
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| Abstract: | Strongly conflict-avoiding codes are used in the asynchronous multiple-access collision channel without feedback.The number of code words in a strongly conflict-avoiding code is the number of potential users that can be supported in the system.In this paper,an upper bound on the size of strongly conflict-avoiding centered codes is obtained.This bound is further shown to be tight for some cases by direct constructions. |
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| Keywords: | conflict-avoiding codes strongly conflict-avoiding codes centered codes collision channel without feedback |
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