Positioning of communication device in region

Abstract

A first communication device transmits a positioning request in a region comprising a plurality of positioning supporting devices distributed in a plurality of sub-regions of the region. The first communication device receives a positioning response indicating an acknowledgement of the positioning request from a second communication device in the region. The positioning response may be received directly from the second communication device and/or via one or more of the plurality of positioning supporting devices. Based on the received positioning response, the first communication device determines a position of the second communication device in the region.

Dependencies are inferred from the claim text.