A wireless positioning terminal includes a wireless receiver receiving reception signals from a wireless transmitter via multiple communication links. A multi-link-base reception informational item is determined by evaluating reception signals via the communication links. The multi-link-base reception informational item, which has a value varying with a position of the wireless positioning terminal, varies with the position differently from an informational item of a reception signal via one of the communication links. A base trajectory is stored which represents correspondence relation about points between (i) a position of the wireless positioning terminal and (ii) the multi-link-base reception informational item. A measured trajectory is generated which represents correspondence relation about points between (i) a calculated position variation and (ii) the multi-link-base reception informational item. A current position of the wireless positioning terminal is estimated based on a matching between the base trajectory and the measured trajectory.