Constrained total least squares Errors 1 Linearisation 1 Linearization 1 Localisation 1 Matrix algebra 1 Mean square error 1 Measurement Noise 1 Modeling uncertainties 1 Newton-Raphson method 1 Optimization 1 Optimization problems 1 Received signal strength 1 Signal strength measurements 1 Source localization 1 Transmit power 1 Uncertainty analysis 1 Wireless sensor networks 1