| Song Jiaying (宋甲英),Li Xu,Zhong Zhangdui.[J].高技术通讯(英文),2011,17(1):80~85 |
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| Available capacity and robust connectivity of TDD-based wireless mesh networks |
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| DOI： |
| 中文关键词: |
| 英文关键词: wireless mesh networks (WMNs)， TDD/TDMA， performance analysis， available capacity， robust connectivity |
| 基金项目: |
| Author Name | Affiliation | | Song Jiaying (宋甲英) | | | Li Xu | | | Zhong Zhangdui | |
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| 中文摘要: |
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| 英文摘要: |
| This paper addresses the available capacity and robust connectivity of time division duplex based wireless mesh networks (TDD-based WMNs). A stochastic model is presented for TDD-based WMNs. Considering the parameters that affect the network performance like ratio of control slots number to data slots number, collision probability, node density and average hopcounts, the available capacity for each node is inferred. Meanwhile, the order of transmission range for robust connectivity of large scale WMNs is derived. With the stochastic model and inferred available capacity per node, the performance of TDD-based WMNs using IEEE 802.16 standard is analyzed under various conditions. Simulation results indicate that the available capacity of IEEE 802.16-based TDD-based WMNs and the theoretical result have the same increasing and decreasing trend as the node density increases. Simulation results also illustrate the optimal value of the ratio of control slots number to data slots number that maximizes the available capacity. |
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