Article citationsMore>>

Tsow, F., Forzani, E., Rai, A., Wang, R. and Tsui, R. (2009) A Wearable and Wireless Sensor System for Real-Time Monitoring of Toxic Environmental Volatile Organic Compounds. IEEE Sensors Journal, 9, 1734-1740. http://dx.doi.org/10.1109/JSEN.2009.2030747

has been cited by the following article:

• TITLE: Enhanced Bilinear Approach for Sensor Network Self-Localization Using Noisy TOF Measurements

  AUTHORS: Xue Gao, Le Yang, Li Peng

  KEYWORDS: Self-Localization, Time of Flight (TOF), Global Coordinate System, Least Squares Estimation

  JOURNAL NAME: Journal of Computer and Communications, Vol.2 No.7, May 21, 2014

  ABSTRACT: This paper develops a new algorithm for sensor network self-localization, which is an enhanced version of the existing Crocco’s method in [11]. The algorithm explores the noisy time of flight (TOF) measurements that quantify the distances between sensor nodes to be localized and sources also at unknown positions. The newly proposed technique first obtains rough estimates of the sensor node and source positions, and then it refines the estimates via a least squares estimator (LSE). The LSE takes into account the geometrical constraints introduced by the desired global coordinate system to improve performance. Simulations show that the new technique offers superior localization accuracy over the original Crocco’s algorithm under small measurement noise condition.