Apparatus and method locating a mobile communication unit

Briefly, in accordance with one embodiment of the invention, a method ascertaining location of a mobile communication unit with respect to at least one fixed access point, each respective location of each respective access point of the at least one fixed access point being known, may include: (a) transmitting a first message from the mobile communication unit; (b) transmitting a second message from at least one responsive fixed access point, the second message being responsive to the first message; (c) measuring at selected stations among the mobile communication unit and the at least one fixed access point time intervals between noting the first message and noting the second message; and (d) employing the measured time intervals at the selected stations for calculating at least one line of position locating the mobile communication unit.