Gravitation Theory Based Routing Algorithm for Active Wireless Sensor Networks

In order to guarantee the quality of service of various communication services as much as possible and reduce the energy consumption of the network, this paper proposes a routing algorithm for active wireless sensor networks by merging the spatial relationship and the traffic load of sensor nodes: based on the gravitation theory, the gravitation model of nodes is established, then the “space gravitation” considering the spatial relationship of nodes and the “time gravitation” which takes into account the waiting time of data packets are proposed. The gravitation is the result of the interaction of the two, which depends on the degree of dependence on the space gravitation or the time gravitation, the data packet is sent to the sink node under the influence of gravitation. In order to test the effectiveness of the algorithm, this paper analyzes the performance of the algorithm and compares it with other algorithms. The simulation results show that the algorithm can not only effectively avoid the congestion, but also satisfies the good network time delay and energy consumption demand.