Analytical Expression of Maximum Throughput for Long-Frame Communications in One-way String Wireless Multihop Networks |
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Authors: | Hiroo Sekiya Yoshihiro Tsuchiya Nobuyoshi Komuro Shiro Sakata |
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Affiliation: | 1.Graduate School of Advanced Integration Science,Chiba University,Chiba,Japan |
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Abstract: | It is important to obtain analytical expressions of the maximum throughput in IEEE 802.11 Distributed Coordination Function multi-hop networks. In the previous works, the analytical expressions of the maximum throughput for one-way string multi-hop networks taking into account the signal capture effect were obtained. In other researches, the analytical expressions of the maximum throughput for one-way string multi-hop networks were also obtained, which are, however, valid only for short-frame communications. There is no analytical expression for maximum throughput, which is valid for long-frame communications. This paper presents an analytical expression of the maximum throughput for long-frame communications. For the long-frame-communication analysis, we make different assumptions from those in the previous-analyses. In the short-frame-communication analyses, it is assumed that all nodes always have frames. In the long-frame-communication analysis, however, it should be assumed that every equal to or more than three nodes in a string-topology network have frames. The comprehension of this behavior is the most important progression in this paper. The assumptions and the analytical expression are validated by the simulation results. |
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