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

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

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 gains cutting-edge reviews on Sensor Networks in China with the subject of “Advances in instant sensor networks of China”. the chosen works will help 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 college; Li Cui is a professor at Institute of Computing expertise, chinese language Academy of Sciences; Zhongwen Guo is a professor at Ocean collage of China.

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Extra resources for Advanced Technologies in Ad Hoc and Sensor Networks: Proceedings of the 7th China Conference on Wireless Sensor Networks, 1st Edition

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The same is done to source node as it receives a feedback, in order to find out a better hot area as intermediate area for directed 42 K. Li et al. Fig. 1 Hot area update (left); Transmission with feedback (right) message transmission. Here, we choose the hot area located in the same direction of destination as intermediate area with formula lim = ρ+ Ds-d/Ds-temp. ρ is the number of nodes with the area, and Ds-d is the distance between the source node area (or intermediate area) and destination area.

To address this, for ease of statement, we assume that the sensors are uniformly distributed in the sensing field, and each node has a unique ID. The communication radio range of each node is assumed to be the same, denoted by r . For a sensor node p, let Nk ( p) be its k-hop neighbors, namely, the set of nodes at most k hops from p, and |Nk ( p)| denote the k-hop neighborhood size. Clearly, Nk ( p) is a discrete analog of the circle D( p, kr ) in continuous domain. The larger the value of k, the larger the area of D( p, kr ) is, and thus the larger the k-hop neighborhood size |Nk ( p)|.

Hot Area Every node maintains its own area and includes the real-time nodes link in that area. When a node knows the destination node’s position through quick limited flooding query, it dynamically queries intermediate hot area to transmit messages. 1. n ≤ N _lim, N _lim = 4(n + 1)2 √ (2R √ )2 , R = R + c. 1) For every hot area, we need to maintain relative information as follows: (1) coord: the coordinate of area center; (2) R: radius of hot area; (3) ρ: density of nodes in the area; (4) v:average ¯ speed of nodes in the area; (5) time: occurrence time of hot area; (6) life: existence time of hot area.

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