| 講演名 | 2013-08-30 Analysis of Synchronized Multi-Hop Protocol and Proposal of its S_ACK Extension under Time-Variable Multi-Rate and Multi-Hop Wireless Network , |
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| 抄録(英) | A multi-hop wireless network is considered promising for the next-generation communication systems because of its wide applicability to hard-to-wire circumstances. However, the throughput of a multi-hop wireless network based on the widely accepted IEEE 802.11 Standards is so low due to inter-flow and intra-flow collisions that further applications of the network are limited. To solve this problem, Synchronized Multi-Hop Protocol has been proposed in previous papers where the IEEE 802.11 Distributed Coordination Function (DCF) is modified slightly. The protocol has been proved to keep high throughput in practical cases where there are transmission failures and large interference ranges. In this paper, the protocol is applied to the environment where the transmission rate of data packets is time-variable and may be different from node to node. It is shown that, this protocol is capable of providing high and stable throughput even if the link length, transmission rate and data packet size are variable. We also propose a new control packet named S_ACK to further improve the throughput. |
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| キーワード(英) | Time-Variable Multi-Rate and multi-hop wireless network / IEEE 802.11 DCF / synchronized multi-hop protocol |
| 資料番号 | RCS2013-140 |
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| 研究会 | RCS |
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| 開催期間 | 2013/8/22(から1日開催) |
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| 申込み研究会 | Radio Communication Systems (RCS) |
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| 本文の言語 | ENG |
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| タイトル（英） | Analysis of Synchronized Multi-Hop Protocol and Proposal of its S_ACK Extension under Time-Variable Multi-Rate and Multi-Hop Wireless Network |
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| キーワード(1)（和/英） | / Time-Variable Multi-Rate and multi-hop wireless network |
| 第 1 著者 氏名（和/英） | / Xinru YAO |
| 第 1 著者 所属（和/英） | Graduate School of Engineering, The University of Tokyo |
| 発表年月日 | 2013-08-30 |
| 資料番号 | RCS2013-140 |
| 巻番号（vol） | vol.113 |
| 号番号（no） | 194 |
| ページ範囲 | pp.- |
| ページ数 | 6 |
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