Volume : II, Issue : V, May - 2013

Rapid Data Collection in Wireless Sensor Networks Organized as Trees

N. B. S Vijay Kumar, D. Venkatesh, K. Ramesh

Abstract :

To increase the data collection in WSN organized as trees there are different techniques. One of the technique is evaluating many to one communication model known as converge cast with realistic simulations .First time scheduling on a single frequency channel is considered. The main aim of this scheduling is to minimize the number of time slots (or) schedule lengths to complete converge cast. Next scheduling is combined with transmission power control to reduce the effects of interference .It also shows that power control which helps in reducing the schedule length, under single frequency is less efficient compared with scheduling transmissions using multiple frequencies. As interference effects are reduced, lower bounds on schedule length are given and algorithms are proposed in order to achieve efficient data collection. The performance of various channels is evaluated and found that, the use of multi–Frequency scheduling is enough to eliminate interference in moderate size networks (min 100 nodes). As interference is removed, data collection is very easy now using the tree topology. By the end, a degree constrained spanning trees & capacitated minimal spanning trees are constructed. Scheduling performance is also improved over different deployment densities. Finally, the impact of different interferences and channel models on the schedule length is evaluated

Keywords :

Article: Download PDF   DOI : 10.36106/ijsr  

Cite This Article:

N. B. S Vijay Kumar, D. Venkatesh, K. Ramesh Rapid Data Collection in Wireless Sensor Networks Organized as Trees International Journal of Scientific Research, Vol.II, Issue.V May 2013

Number of Downloads : 289

References :