能量收集傳感器網絡的廣播通信延遲時間

Bounding Broadcast Communication Delay in Energy Harvesting Sensor Networks

康寗(Ning Kang)

指導教授 ： 蔡憶佳 ； 蔡憶佳

淡江大學/工學院/資訊工程學系碩士班/碩士(2016年)

https://doi.org/10.6846/TKU.2016.00040

摘要

在能量限制的感測器環境中，傳感器節點必須以低佔空比方式運作。也就是說，能量收集傳感器網路裡，大部分時間感測器節點是保持在睡眠狀態，只有在通訊時醒來。在低佔空比的能量收集感測網絡裡，通信延遲時間是一個新的挑戰在傳感器網絡應用（例如，跟踪和警報）。在本文中，我們介紹了節點通訊延遲界限問題在能量收集的解決方案。首先提出「單播」方式的解決方案找出最小的延遲時間，再利用「廣播」的方式縮短延遲時間。最後利用「單播」和「廣播」方法進行模擬比較。「廣播」比「單播」方法還要好，減少更多的延遲時間。

關鍵字

能量收集感測網絡 ； 廣播 ； 低占空比 ； 延遲時間

並列摘要

In Wireless Sensor Network, sensor nodes must operate at a low duty cycle mode in energy restricted sensors environment.
Therefore, the sensor node remained in a dormant state most of the time and only to woke up when communication is needed in energy collected sensor network.
The communication delay time is a new challenge for low duty cycle energy harvesting sensor network applications (for example, tracking and alert).
In this paper, we introduce a delay bound node communication solution in energy harvesting network.First we proposed the "unicast" type of solution to identify the minimum delay time, and then we use "broadcast" approach to shorten the delay time.
Finally, we compare the simulation results of "unicast" and "broadcast" method.
"Broadcast" is better than "unicast" method reduced more delay times.

並列關鍵字

Energy Harvesting Sensor Networks ； Broadcast ； Low Duty Cycle ； Delay Time

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