Patent Document ID: 9002376
Application ID: 13844662
Patent Flag: 1

Claim One:
1. A method for determining positioning of a wireless terminal comprising: determining positioning of a plurality of receivers capturing a first wireless signal emitted from the wireless terminal; determining a plurality of defined local spaces (DLSs), each DLS defining a volume among four receivers of the plurality of receivers; determining a plurality of points within each DLS, including spatially relating each point to the positioning of the four receivers defining the corresponding DLS; determining a four travel times for each point, each travel time representing time needed for wireless signals to travel from the corresponding point to a corresponding one of the four receivers defining the corresponding DLS; determining a first plurality of first arrival times, each first arrival time representing time for the first wireless signal to reach each of the plurality of receivers; determining the wireless terminal to be positioned within a first DLS of the plurality of DLSs, the first DLS being associated with the point having travel times most closely correlated with the first arrival times.