V2X-Based Mobile Localization in 3D Wireless Sensor Network
Iram Javed,Xianlun Tang,Kamran Shaukat,Muhammed Umer Sarwar,Talha Mahboob Alam,Ibrahim A. Hameed,Muhammad Asim Saleem +6 more
TLDR
In this article, a range-free localization algorithm for sensors in a three-dimensional (3D) wireless sensor networks based on flying anchors is presented. And the authors used the setup much similar to vehicle-to-infrastructure (V2I-) based positioning algorithm.Abstract:
In a wireless sensor network (WSN), node localization is a key requirement for many applications The concept of mobile anchor-based localization is not a new concept; however, the localization of mobile anchor nodes gains much attention with the advancement in the Internet of Things (IoT) and electronic industry In this paper, we present a range-free localization algorithm for sensors in a three-dimensional (3D) wireless sensor networks based on flying anchors The nature of the algorithm is also suitable for vehicle localization as we are using the setup much similar to vehicle-to-infrastructure- (V2I-) based positioning algorithm A multilayer C-shaped trajectory is chosen for the random walk of mobile anchor nodes equipped with a Global Positioning System (GPS) and broadcasts its location information over the sensing space The mobile anchor nodes keep transmitting the beacon along with their position information to unknown nodes and select three further anchor nodes to form a triangle The distance is then computed by the link quality induction against each anchor node that uses the centroid-based formula to compute the localization error The simulation shows that the average localization error of our proposed system is 14 m with a standard deviation of 121 m The geometrical computation of localization eliminated the use of extra hardware that avoids any direct communication between the sensors and is applicable for all types of network topologiesread more
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