Wireless Sensor Networks are changing our lives by making all objects around us “smart” and thus creating an Internet-of-Things (IoT). Location information is indispensable for all these things to be really “smart”. GPS and some other hardware based techniques can provide good location information but GPS signal availability, cost, and energy consumption limit their adoption. Location information can also be estimated accurately without hardware support if accurate distance information between nodes is available. Many distance measurement techniques are being investigated. In this paper, a transitional region based distance estimation method for neighboring nodes is proposed. Inside the sender's transitional region, the receiver receives packets reversible to the distance to the sender. Intuitively, the further away, the lower chance to receive. Our mathematical analysis shows that the distance from sender is close to linearly related to receivers' packet reception ratio for most of the transitional region. Our simulation shows that our proposed approach is viable and is superior to RSSI based approach.
Transitional Region Based Distance Estimation for Wireless Sensor Networks
2018-08-01
356501 byte
Conference paper
Electronic Resource
English
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