Directed Diffusion Routing Method Based on Improved Ant Colony Algorithm in Wireless Sensor Networks
A wireless sensor and ant colony algorithm technology, applied in wireless communication, network topology, electrical components, etc., can solve the problem of node energy consumption not being considered, and achieve the goal of reducing energy consumption and resource waste, prolonging the life cycle, and increasing robustness Effect
Active Publication Date: 2022-05-06
CHONGQING UNIV OF POSTS & TELECOMM +1
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At the same time, because it is only applicable to small-scale networks, the energy consumption of nodes is not considered
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[0036] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.
[0037] The technical scheme that the present invention solves the problems of the technologies described above is:
[0038] The technical scheme that the present invention solves the problems of the technologies described above is:
[0039] Step 1: Flood of interest;
[0040] No changes are made under the original directed diffusion protocol. The sink node periodically floods and broadcasts interest to the entire network, and the target node determines the location of the source node after receiving the corresponding interest message.
[0041] Step 2: gradient establishment;
[0042] According to the special network model of the directed diffusion protocol, the ant colony algorithm is first improved, a...
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The invention claims to protect a directed diffusion routing method based on an improved ant colony algorithm in a wireless sensor network. In this method, an improved ant colony algorithm is mainly introduced for the directed diffusion protocol. The invention introduces the node energy factor and the global average energy factor into the ant colony algorithm, so that the process of finding the optimal path always considers the energy consumption factor of the network. In the gradient establishment stage, the gradient path is established with the pheromone concentration generated by the improved ant colony algorithm as the gradient field. In the path enhancement stage, according to the iterative function of the ant colony algorithm, the optimal paths generated under each iteration are counted and ranked, and the top three paths are enhanced as optional routing paths. Compared with the original protocol, the improved model is more suitable for scenarios with huge network nodes, and improves the life cycle of the network, making the path selection more reasonable.
Description
technical field [0001] The invention belongs to the field of directional diffusion routing algorithms in wireless sensor networks, in particular to a directional diffusion routing method based on improved ant colony algorithm in wireless sensor networks. Background technique [0002] With the advent of the 5G era, it will inevitably promote the development of the Internet of Things industry. As an important part of the Internet of Things, the wireless sensor network's routing protocol is an important part of the WSN network design. The routing protocol mainly guides the data packet from the source The node forwards to the destination node through the network. In different scenarios, WSN routing protocols vary widely. The present invention proposes an improvement for the problem of ignoring the optimization path search strategy and network energy consumption in the directional diffusion protocol. In the wireless sensor network, the directional diffusion protocol is the most ...
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IPC IPC(8): H04W40/02H04W40/04H04W40/20H04W40/24H04W84/18
CPCH04W40/023H04W40/04H04W40/20H04W40/248H04W84/18
Inventor 袁泉方正
Owner CHONGQING UNIV OF POSTS & TELECOMM