Method of dynamic random network coding in DTN environment
With the dynamical features of mobility, intermittent connectivity and dynamic topology in delay tolerant net-work (DTN), the static random network coding methods become difficult to adapt to the applications in DTN environ-ment. For working out this problem, a dynamic random network coding transfer...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2014-02-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.02.011/ |
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| _version_ | 1841539709380067328 |
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| author | Guang-hong DENG Wan-hua CAO Jian ZHANG Li FENG Xiong CHENG |
| author_facet | Guang-hong DENG Wan-hua CAO Jian ZHANG Li FENG Xiong CHENG |
| author_sort | Guang-hong DENG |
| collection | DOAJ |
| description | With the dynamical features of mobility, intermittent connectivity and dynamic topology in delay tolerant net-work (DTN), the static random network coding methods become difficult to adapt to the applications in DTN environ-ment. For working out this problem, a dynamic random network coding transfer method (DRNC) was proposed. Based on the Markov channel model, it first computed the transmit speeds of every network channel according to the receive data states of nodes, and then constructed the network flow graphic with channel capacities at the source node, calculated and forecasted the current network multicast capacity, after that, the random network coding scenario was extended and tailored according to the multicast capacity to transmit data packages under DTN environment. The simulation results show that, compared with the traditional random network coding method with fixed multicast rate, the dynamic random network coding method has reduced the average latency of data packages and increased the delivery probability. |
| format | Article |
| id | doaj-art-1a38a20230734b58ab80ac23b0acb805 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2014-02-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-1a38a20230734b58ab80ac23b0acb8052025-01-14T06:42:43ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2014-02-0135768659679424Method of dynamic random network coding in DTN environmentGuang-hong DENGWan-hua CAOJian ZHANGLi FENGXiong CHENGWith the dynamical features of mobility, intermittent connectivity and dynamic topology in delay tolerant net-work (DTN), the static random network coding methods become difficult to adapt to the applications in DTN environ-ment. For working out this problem, a dynamic random network coding transfer method (DRNC) was proposed. Based on the Markov channel model, it first computed the transmit speeds of every network channel according to the receive data states of nodes, and then constructed the network flow graphic with channel capacities at the source node, calculated and forecasted the current network multicast capacity, after that, the random network coding scenario was extended and tailored according to the multicast capacity to transmit data packages under DTN environment. The simulation results show that, compared with the traditional random network coding method with fixed multicast rate, the dynamic random network coding method has reduced the average latency of data packages and increased the delivery probability.http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.02.011/delay tolerant networkrandom network codingmulticast rate multicast capacity |
| spellingShingle | Guang-hong DENG Wan-hua CAO Jian ZHANG Li FENG Xiong CHENG Method of dynamic random network coding in DTN environment Tongxin xuebao delay tolerant network random network coding multicast rate multicast capacity |
| title | Method of dynamic random network coding in DTN environment |
| title_full | Method of dynamic random network coding in DTN environment |
| title_fullStr | Method of dynamic random network coding in DTN environment |
| title_full_unstemmed | Method of dynamic random network coding in DTN environment |
| title_short | Method of dynamic random network coding in DTN environment |
| title_sort | method of dynamic random network coding in dtn environment |
| topic | delay tolerant network random network coding multicast rate multicast capacity |
| url | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.02.011/ |
| work_keys_str_mv | AT guanghongdeng methodofdynamicrandomnetworkcodingindtnenvironment AT wanhuacao methodofdynamicrandomnetworkcodingindtnenvironment AT jianzhang methodofdynamicrandomnetworkcodingindtnenvironment AT lifeng methodofdynamicrandomnetworkcodingindtnenvironment AT xiongcheng methodofdynamicrandomnetworkcodingindtnenvironment |