Abstract
Routing protocol is an important topic in the wireless sensor networks. For MultiSink wireless sensor networks, the routing protocol designs and implementations are more difficult due to the structure complexity. The paper deals with the problem of a multiple-dimensional tree routing protocol for multisink wireless sensor networks based on ant colony optimization. The proposed protocol is as follows: (1) listening mechanism is used to establish and maintain multidimensional tree routing topology; (2) taking into consideration hops, packet losses, retransmission, and delay account, a distributed ant colony algorithm is proposed. When nodes select routes in the data transmission, the algorithm is utilized to realize the real-time optimization by coordination between nodes. The simulation results show that the proposed protocol can realize the QoS optimization for multisink wireless sensor networks, and its performance is better than the routing protocol of minimum hop numbers.
Highlights
Multisink wireless sensor architecture networks have received more and more attention due to their advantages such as improving network throughput, balancing energy consumption, and prolonging network lifetime
According to routing establishment and maintenance process given in Algorithm 2, the ACOMSR routing topology structure at the moment of 60 s simulation time shown by Figure 3 is obtained, where red represents the routing to sink 0, orange the routing to sink 1, blue the routing to sink 2, and green the routing to sink 3
A multiple dimensional tree routing protocol for multisink WSNs based on listening and ant colony optimization has been proposed in this paper
Summary
Multisink wireless sensor architecture networks have received more and more attention due to their advantages such as improving network throughput, balancing energy consumption, and prolonging network lifetime. Due to multiple sink nodes in multisink wireless sensor networks (multisink WSNs), the network topology is complex, which brings many difficulties to design and implement the network protocols. (i) Section 2 states the related works about the multisink WSNs routing researches and the applications of the ant colony optimization in WSNs. (iii) Section 4 introduces the routing establishment of the listening-based routes for the multisink WSNs and the routing selection based on the distributed ant colony optimization.
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