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研究生:陳介文
研究生(外文):Chieh-Wen Chen
論文名稱:藉由實際環境測量模式提升Tmote Sky感測網路的連接品質
論文名稱(外文):Improving Connectivity for Tmote Sky Sensor Networks Based on Measurements
指導教授:斯國峰
指導教授(外文):Kuo-Feng Ssu
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電腦與通信工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2008
畢業學年度:96
語文別:英文
論文頁數:27
中文關鍵詞:感測網路連接品質
外文關鍵詞:transmission performanceenergy consumptionTmote Sky
相關次數:
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  • 下載下載:3
  • 收藏至我的研究室書目清單書目收藏:0
在無線感測器網路中,感測器的電力供應是有限的。考量到節約能源消耗,Tmote Sky 感測器提供可調整的傳輸功率,使用者能夠依照各個感測器所需的傳輸距離來設定。然而在實際環境中,因為障礙物或是其他無線訊號的干擾,感測器的傳輸距離受到影響,因而通訊不時中斷。
為了解決這個問題,本篇論文提出三種改進方法,當感測器偵測到通訊中斷,它們能夠暫時的加大傳輸功率,向備用的感測器請求幫助,或是廣播控制訊息以互相協助。實驗結果顯示以上的改進方法可以提升Tmote Sky 感測器網路的連接品質,同時又不會造成太多額外的電量負擔。
Tmote Sky sensors provide programmable and adjustable output power for transmission. Users can control needed transmission power for each sensor. However, the transmission range for a fixed power changes inconsistently due to the interferences, such as obstacles and other wireless signals. Therefore, the communication between sensors is disconnected sometimes. To solve the problem, this thesis demonstrates the implementation of three recovery schemes. As Tmote Sky sensors detect communication disconnection, sensors will increase their transmission power for a certain of time, ask backup nodes for help, or broadcast control messages for cooperation. Practical experimental results reveal the amount of lost packets can be reduced with a little additional energy.
Chapter
1. Introduction : 1
2. Observation: Intermittent Disconnections : 4
3. System Model : 8
4. Solutions : 11
5. Experiments : 15
5.1 Transmission Performance : 17
5.2 Energy Consumption : 18
6. Conclusion and Future Work : 23
6.1 Conclusion : 23
6.2 Future Work : 24
References : 25
Vita : 27
[1] I. F. Akyildiz, W. Su, Y. Sankarasubramaniam, and E. Cayirci, “A Survey on Sensor Networks,” IEEE Communications Magazine, vol. 40, no. 8, pp. 102–114, Aug. 2002.
[2] Z. J. Hass and T. Small, “A New Networking Model for Biological Applications of Ad Hoc Sensor Networks,” IEEE/ACM Transactions on Networking, vol. 14, no. 1, pp. 27–40, Feb. 2006.
[3] W. R. Heinzelman, A. Chandrakasan, and H. Balakrishnan, “Energy-Efficient Communication Protocol for Wireless Microsensor Networks,” in Proceedings of the
Hawaii International Conference on System Sciences (HICSS), Jan. 2000, pp. 908–918.
[4] M. Busse, T. Haenselmann, and W. Effelsberg, “Energy-Efficient Forwarding Schemes for Wireless Sensor Networks,” in Proceedings of the 2006 International Symposium on World of Wireless, Mobile and Multimedia Networks, June 2006, pp. 125–133.
[5] W. Wang, V. Srinivasan, K. C. Chua, and B. Wang, “Energy-Efficient Coverage for Target Detection in Wireless Sensor Networks,” in Proceedings of the 6th International Conference on Information Processing in Sensor Networks, Apr. 2007, pp. 313–322.
[6] S. Panichpapiboon, G. Ferrari, and O. K. Tonguz, “Optimal Transmit Power in Wireless Sensor Networks,” IEEE Transactions on Mobile Computing, vol. 5, no. 10, pp. 1432–1447, Oct. 2006.
[7] K. Manousakis and A. J. McAuley, “Minimum Necessary Transmission Range Assignments for Network Connectivity,” in IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’07), Sep. 2007, pp. 1-5.
[8] R. Ramanathan and R. Rosales-Hain, “Topology Control of Multihop Wireless Networks Using Transmit Power Adjustment,” in IEEE INFOCOM 2000, vol. 2, Mar. 2000, pp. 404–413.
[9] “Tmote Sky,” http://www.sentilla.com/moteiv transition.html.
[10] “TinyOS,” http://www.tinyos.net/.
[11] D. Gay, P. Levis, and D. Culler, “Software Design Patterns for TinyOS,” in Proceedings of the 2005 ACM SIGPLAN/SIGBED Conference on Languages, Compilers, and Tools for Embedded Systems, vol. 40, no. 7, July 2005, pp. 40–49.
[12] D. Gay, P. Levis, R. von Behren, M. Welsh, E. Brewer, and D. Culler, “The nesC Language: A Holistic Approach to Networked Embedded Systems,” in ACM SIGPLAN Notices, vol. 38, no. 5, May 2003, pp. 1–11.
[13] “Chipcon CC2420,” http://embedded-system.net/chipcon-cc2420-zigbeeieee-802154-rf-transceiver.html.
[14] P. Dutta, J. Hui, J. Jeong, S. Kim, C. Sharp, J. Taneja, G. Tolle, K. Whitehouse, and D. Culler, “Trio: Enabling Sustainable and Scalable Outdoor Wireless Sensor
Network Deployments,” in Proceedings of the Fifth International Conference on Information Processing in Sensor Networks, Apr. 2006, pp. 407–415.
[15] A. Barberis, L. Barboni, and M. Valle, “Evaluating Energy Consumption in Wireless Sensor Networks Applications,” in Proceedings of the 10th Euromicro Conference on Digital System Design Architectures, Methods and Tools, Aug. 2007, pp. 455–462.
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