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GARUDA

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PRADA Hsiung
PRADA Hsiung

The document describes GARUDA, a protocol for achieving reliable downstream communication in wireless sensor networks. GARUDA uses a two-stage negative acknowledgment approach and constructs a virtual infrastructure of core nodes to minimize retransmissions and ensure reliable message delivery with small message sizes. Core nodes are selected using an instantaneous construction based on the first transmitted packet to provide efficient and fair core selection.

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GARUDA: Achieving Effective Reliability for Downstream Communication in Wireless Sensor Networks Seung-Jong Park, Member, IEEE, Ramanuja Vedantham, Member, IEEE, Raghupathy Sivakumar, Senior Member, IEEE, and Ian F. Akyildiz, Fellow, IEEE Report : Hsiung Chun Kuei IEEE TRANSACTIONS ON MOBILE COMPUTING, VOL. 7, NO. 2, FEBRUARY 2008
[object Object],[object Object],[object Object],Abstract http://wshlab2.ee.kuas.edu.tw
Outline http://wshlab2.ee.kuas.edu.tw
Introduction ,[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Introduction http://wshlab2.ee.kuas.edu.tw
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Framework http://wshlab2.ee.kuas.edu.tw
[object Object],[object Object],[object Object],[object Object],[object Object],Framework http://wshlab2.ee.kuas.edu.tw
Framework ,[object Object],http://wshlab2.ee.kuas.edu.tw CS: carrier sensin
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design Element http://wshlab2.ee.kuas.edu.tw
Framework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Framework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Framework ,[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Performance evaluation ,[object Object],http://wshlab2.ee.kuas.edu.tw  
Performance evaluation ,[object Object],http://wshlab2.ee.kuas.edu.tw (100 * 3.14 * 67 * 67) / (650 * 650) = 3.33620355 (800 * 3.14 * 67 * 67) / (650 * 650) = 26.6896284
Performance evaluation ,[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Performance evaluation ,[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Performance evaluation ,[object Object],http://wshlab2.ee.kuas.edu.tw
Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Q & A Thank for your attention
Framework –D? ,[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Performance evaluation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Other reliability semantics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw ,[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Introduction -D http://wshlab2.ee.kuas.edu.tw
Related work -D ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
[object Object],[object Object],[object Object],[object Object],[object Object],Problem definition -D http://wshlab2.ee.kuas.edu.tw
Problem definition -D ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Problem definition -D ,[object Object],http://wshlab2.ee.kuas.edu.tw
GARUDA Design Element -D ,[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
GARUDA Design Element -D ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
GARUDA Design Element -D ,[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw 因為我沒探討其他信賴的題目
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design Element http://wshlab2.ee.kuas.edu.tw ,[object Object],MDS
Design Element -D ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw 重點 !! 詳細了解每個為什麼 建構的 cost G d :upper bound of the ratio
Design Element ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Design Element ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://wshlab2.ee.kuas.edu.tw
Implicit ACK http://wshlab2.ee.kuas.edu.tw 802.11 Implicit ACK Gain

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GARUDA

  • 1. GARUDA: Achieving Effective Reliability for Downstream Communication in Wireless Sensor Networks Seung-Jong Park, Member, IEEE, Ramanuja Vedantham, Member, IEEE, Raghupathy Sivakumar, Senior Member, IEEE, and Ian F. Akyildiz, Fellow, IEEE Report : Hsiung Chun Kuei IEEE TRANSACTIONS ON MOBILE COMPUTING, VOL. 7, NO. 2, FEBRUARY 2008
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  • 19. Q & A Thank for your attention
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  • 35. Implicit ACK http://wshlab2.ee.kuas.edu.tw 802.11 Implicit ACK Gain