Augmented reality and location determination methods and apparatus are disclosed according to some aspects of the description. In one aspect, a location determination method includes accessing first location information regarding a location of a user interaction device in a physical world, wherein the user interaction device is configured to generate an augmented reality representation with respect to the physical world, using the first location information, identifying a plurality of wireless communication devices which are proximately located with respect to the user interaction device, initiating wireless communications between the user interaction device and the wireless communications devices, after the initiating, accessing information regarding the wireless communications of the user interaction device and the wireless communication devices, and using the information regarding the wireless communications, determining second location information regarding the location of the user interaction device, and wherein the second location information has increased accuracy with respect to the location of the user interaction device in the physical world compared with the first location information.