Wireless Sensor Networks, From Theory to Applications by Ibrahiem M. M. El Emary, S. Ramakrishnan PDF

By Ibrahiem M. M. El Emary, S. Ramakrishnan

ISBN-10: 1466518103

ISBN-13: 9781466518100

Even though there are numerous books to be had on WSNs, such a lot are low-level, introductory books. The few to be had for complicated readers fail to show the breadth of data required for these aiming to increase next-generation suggestions for WSNs.

Filling this void, instant Sensor Networks: From idea to functions provides accomplished insurance of WSNs. so as to give you the wide-ranging tips required, the publication brings jointly the contributions of area specialists operating within the quite a few subfields of WSNs worldwide.

This edited quantity examines contemporary advances in WSN applied sciences and considers the theoretical difficulties in WSN, together with concerns with tracking, routing, and tool keep watch over. It additionally info methodologies which could offer strategies to those difficulties. The book’s 25 chapters are divided into seven parts:

Data Collection
Physical Layer and Interfacing
Routing and shipping Protocols
Energy-Saving Approaches
Mobile and Multimedia WSN
Data garage and Monitoring
Applications

The booklet examines purposes of WSN throughout a number fields, together with health and wellbeing, army, transportation, and mining. Addressing the most demanding situations in utilizing WSNs throughout all levels of our existence, it explains how WSNs may help in neighborhood development.

Complete with a listing of references on the finish of every bankruptcy, this e-book is perfect for senior undergraduate and postgraduate scholars, researchers, students, teachers, commercial researchers, and training engineers engaged on WSNs. The textual content assumes that readers own a starting place in laptop networks, instant communique, and easy electronics.

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Extra resources for Wireless Sensor Networks, From Theory to Applications

Sample text

Every sensor still has a fixed transmission range r such that the necessary condition for vj to correctly receive the signal from vi is ||vi − vj|| ≤ r. However, ||vi − vj|| ≤ r is not the sufficient condition for an edge vivj ∈ E. Some links do not belong to G because of physical barriers or the selection of routing protocols. Thus, G is a subgraph of a disk graph. Under this model, the network topology G can be any general graph (for example, setting r = ∞ and putting a barrier between any two nodes vi and vj if vivj ∉ G).

10b, there are four branches in T: B1 is from v1 l l l to va, B2 is from v 2 to s, B3 is from v3 to vb, and B4 is from v 4 to s. Notice that the union of all branches is the whole tree T. 11) shows the detailed branch scheduling algorithm. 10c through j gives an example of scheduling on T. 10c), all nodes on P1 participate in the collection using the scheduling method for a single path (for every Δ1 slot, sink s receives one unit of data). 10d). Then step 2 collects data on path P2. 10j). 3 Capacity Analysis We now analyze the achievable capacity of our data collection method by counting how many time slots the sink needs to receive all data in one snapshot.

Note that one selected sink may ( R + r )2 still cause interference with other selected sinks in an adjacent block. However, the number of such adjacent selected sinks is bounded by eight. Thus, a simple scheduling can avoid the interference and the capacity of data collection is still in the order of the theoretical bound. 6 shows 14 ◾ Wireless Sensor Networks R+r Sink Selected sink Active sink 1 subareas. Each subarea selects ( R + r )2 one sink as its selected sink (shown as a gray triangle).

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Wireless Sensor Networks, From Theory to Applications by Ibrahiem M. M. El Emary, S. Ramakrishnan


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