Cognitive routing optimization protocol based on multiple channels in wireless sensor networks

Author:

Deng Shuguang1,Cao Buwen1ORCID,Xiao Xiang1,Qin Hua1,Yang Bing1

Affiliation:

1. College of Information and Electronic Engineering, Hunan City University, Yiyang, China

Abstract

With the development of modern communication, available spectrum resources are becoming increasingly scarce, which reduce network throughput. Moreover, the mobility of nodes results in the changes of network topological structure. Hence, a considerable amount of control information is consumed, which causes a corresponding increase in network power consumption and exerts a substantial impact on network lifetime. To solve the real-time transmission problem in large-scale wireless mobile sensor networks, opportunistic spectrum access is applied to adjust the transmission power of sensor nodes and the transmission velocity of data. A cognitive routing and optimization protocol based on multiple channels with a cross-layer design is proposed to study joint optimal cognitive routing with maximizing network throughput and network lifetime. Experimental results show that the cognitive routing and optimization protocol based on multiple channels achieves low computational complexity, which maximizes network throughput and network lifetime. This protocol can be also effectively applied to large-scale wireless mobile sensor networks.

Funder

National Natural Science Foundation of China

natural science foundation of hunan province

education department of hunan province

Publisher

SAGE Publications

Subject

Computer Networks and Communications,General Engineering

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