According to network structure, a
sensor network can be nonhierarchical, hierarchical or location based.
In this paper, we assume that sensor nodes are evenly deployed in the
sensor network and do not move after being deployed.
Different from the general wireless
sensor networks (WSNs) [2], a wireless
sensor network deployed on a coal mine robot consists of a number of small sensor nodes.
2013 [4] developed a wireless
sensor network for outdoor air pollution monitoring and tested the designed prototype on the real-time basis.
Du, "Improving wireless
sensor network lifetime through power aware organization," Wireless Networks, vol.
To enhance the lifetime of network, a good MAC protocol for the wireless
sensor network must be energy efficient.
In this special issue, we concentrate mainly on security and privacy as well as the emerging applications of wireless
sensor network. It aims to bring together researchers and practitioners from wireless and sensor networking, security, cryptography, and distributed computing communities, with the goal of promoting discussions and collaborations.
Therefore, wireless
sensor network has the sensor and micro-electromechanical and wireless communications in one of three technologies (Yang, 2016).
Libelium is a wireless
sensor network platform provider that delivers, open-source, low-power consumption devices that are easy to program and implement for Smart Cities solutions and a wide range of M2M and sensor projects.