Positioning integrity is a measure of the trust in the accuracy of position-related data provided by a positioning system. Disclosed is a method of wireless communication including receiving, at a network node, one or more location measurement results, wherein each location measurement result includes a corresponding position estimate of a wireless device, and receiving, at the network node, a corresponding assistance data for each of the plurality of location measurement results; determining, at the network node, from the one or more location measurement results and the corresponding assistance information, a first distribution of the one or more location measurement results information and a second distribution of the corresponding assistance information, wherein an error source determines in part the first distribution or the second distribution; and determining, at a network node, from the first distribution and the second distribution, an integrity value of a position of the wireless device.