Advanced Technologies in Ad Hoc and Sensor Networks: by Xue Wang, Li Cui, Zhongwen Guo (eds.) PDF

By Xue Wang, Li Cui, Zhongwen Guo (eds.)

ISBN-10: 3642541739

ISBN-13: 9783642541735

ISBN-10: 3642541747

ISBN-13: 9783642541742

Advanced applied sciences in advert Hoc and Sensor Networks collects chosen papers from the seventh China convention on instant Sensor Networks (CWSN2013) held in Qingdao, October 17-19, 2013. The publication positive factors state of the art stories on Sensor Networks in China with the topic of “Advances in instant sensor networks of China”. the chosen works can assist advertise improvement of sensor community expertise in the direction of interconnectivity, source sharing, flexibility and excessive potency. Researchers and engineers within the box of sensor networks can enjoy the book.

Xue Wang is a professor at Tsinghua collage; Li Cui is a professor at Institute of Computing expertise, chinese language Academy of Sciences; Zhongwen Guo is a professor at Ocean college of China.

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Message TTL is set to 1,300 s. With the same settings, we compare RIPVO with classic algorithm Epidemic, Prophet, Spay, and Wait on delivery rate and accumulative delay rate. On delivery rate, as shown in Fig. 3 (left), RIPVO is better than Spay and Wait while not as Epidemic and Prophet; on accumulative delay rate, as shown in Fig. 3 (right), RIPVO is better than Epidemic and Prophet while not as Spay and Wait. Overall, RIPVO has its advantage as a new route algorithm but still has room for improvement.

To evaluate the performance of the proposed algorithm, we conduct extensive simulations under scenarios with different shapes (see Fig. 3), and compare our algorithm with MAP [4], which serves as a ground truth. 1 Simulation Settings In our simulations, we randomly deployed the sensors in the sensing region. The communication radio range r of each sensor is assumed to be the same, and the communication radio model is Unit Disk Graph (UDG) model by default. That is, two nodes are connected if their separation is no greater than r .

With these observations, we then present a series of lemmas and theorems as follows. Lemma 1. 1) then D( p, r ) is a MID. Lemma 2. 2) r2 λ(D(q, r + δ) (r + δ)2 D) then D(q, r ) is an inscribed disk with radius r . 3) 30 D. Zhu et al. Lemma 2 provides a necessary (but not sufficient) condition for skeleton point. That is, for a skeleton point p, there is a positive real r satisfying Eqs. 3). Lemma 3. If D( p, r ) is an inscribed disk with one tangent point q √ ∂ D, then the inscribed disk centered at any point on the chord pq must be tangent with the object at point q.

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Advanced Technologies in Ad Hoc and Sensor Networks: Proceedings of the 7th China Conference on Wireless Sensor Networks by Xue Wang, Li Cui, Zhongwen Guo (eds.)

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