Directional Flooding Scheme with Data Aggregation for Energy-Efficient Wireless Sensor Networks
Information Networking. Towards Ubiquitous Networking and Services
NEC: node energy based clustering protocol for wireless sensor networks with guaranteed connectivity
ICDCIT'04 Proceedings of the First international conference on Distributed Computing and Internet Technology
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One of the principal characteristics of large scale wireless sensor networks is their distributed, multi-hop nature. Due to this characteristic, applications such as query propagation rely regularly on network-wide flooding. Besides consuming energy and bandwidth resources, the flooded packet may keep the transmission medium within the network busy for too long, reducing overall network throughput. We analyze the impact of the transmission radius on the average settling time 驴 the time at which all nodes in the network finish transmitting theflooded packet. We show that for large wireless networks there exists a transmission range which minimizes the settling time 驴 corresponding to an optimal tradeoff between reception and contention times.