| タイトル | Feasibility Study of Wi-SUN JUTA Profile-Compliant F-RIT Protocol |
|---|---|
| 著者名 | Ryota OKUMURA, Keiichi MIZUTANI, Hiroshi HARADA, |
| Vo.No. 開始ページ.終了ページ |
Vol.E104-B, No.10, pp.1354-1365 |
| 種別 | B013300 |
| 専門 | |
| キーワード | Wi-SUN,JUTA profile,IEEE 802.15.4,RIT,MAC protocol |
| 公開日 | |
| 要旨 | In this paper, the world's first experimental evaluation of the Wi-SUN Japan Utility Telemetering Association (JUTA) profile-compliant feathery receiver-initiated transmission (JUTA F-RIT) protocol is conducted. Firstly, the transmission success rate in an interference environment is evaluated by theoretical analysis and computer simulations. The analysis is derived from the interference model focusing on the carrier sense. The analysis and simulation results agree as regards the transmission success rate of the JUTA F-RIT protocol. Secondly, we develop the dongle-type prototype that hosts the JUTA F-RIT protocol. Measurement results in a cochannel interference environment show that the transmission success rate at the lower MAC layer is around 94% when the number of terminals is 20. When the waiting time for the establishment of the communication link can be extended to exceed 10 s, the JUTA F-RIT protocol can achieve the transmission success rate of over 90% without the re-establishment of the communication link and re-transmission of data frames. Moreover, the experimental results are examined from two viewpoints of the performance of the frame transmissions and the timeout incident, and the feature of the JUTA F-RIT protocol are discussed. |
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