Abstract
An important issue in the mobile sink wireless sensor networks (MSWSNs) is sensor energy optimization. In order to alleviate the problem of unbalanced network load and high energy consumption in MSWSNs, we proposed a new data collection protocol in this paper: seamless clustering multi-hop routing protocol based on improved artificial bee colony algorithm (IABCP). Because of limited by the communication sensing range and intelligence of ordinary nodes, routing paths can only be constructed by crude methods. And the movement of the sink node will generate a large amount of energy consumption for locating the sink node. In order to solve this problem, we assign the task of routing table generation to the sink node, which will generate the routing table through the improved artificial bee colony algorithm. In addition, we adopt a new method to select cluster head (CH) nodes; node uses the average energy of the surrounding nodes and its own residual energy to calculate the claimed cluster head time. Moreover, we added a sub cluster head CH-β node. When the CH node reaches the number of replacement rounds, the CH-β node becomes CH directly. The simulation results show that our routing protocol is more robust compared with three other protocols.
Highlights
Wireless sensor networks (WSNs) consist of hundreds or thousands of sensor nodes, it usually includes multiple ordinary nodes and one or more sink nodes
4 Protocol design In mobile sink wireless sensor networks (MSWSNs), routing path failure and routing path extension are often caused by the movement of sink nodes, which leads to data loss and network energy consumption increased
6 Results and discussion A data acquisition protocol IABCP for MSWSNs is proposed in this paper
Summary
Wireless sensor networks (WSNs) consist of hundreds or thousands of sensor nodes, it usually includes multiple ordinary nodes and one or more sink nodes. 4 Protocol design In MSWSN, routing path failure and routing path extension are often caused by the movement of sink nodes, which leads to data loss and network energy consumption increased. In the process of subsequent routing table construction, the sink node can generate the routing table in advance, and the new cluster head does not need to inform the sink node of its location through broadcast and forwarding, which reduces the complexity and energy consumption of network communication.
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