Location measurments using a mesh of wireless tags

摘要

A method for determining a location of a group of wireless tags, the method may include receiving first information indicative of distances between each wireless tag of the group and between at least three other wireless tags of the group; tracking a first movement of a certain tag of the group of wireless tag in relation to other wireless tags of the group to provide first movement information; receiving, after the performing of the first movement, second information indicative of distances between each wireless tag of the group and between at least three other wireless tags of the group; and determining locations of the wireless tags of the group in response to the first information, second information and the first movement information.

主权项

1. A method for determining a location of a group of wireless tags, the method comprising:
receiving first information indicative of distances between each wireless tag of the group and between at least three other wireless tags of the group; wherein the group of wireless tags includes, when receiving the first information, only tags without pre-known location; tracking a first movement of a certain tag of the group of wireless tag in relation to other wireless tags of the group to provide first movement information; wherein the certain tag is attached to a user or to a user device carried by the user; receiving, after the performing of the first movement, second information indicative of distances between each wireless tag of the group and between at least three other wireless tags of the group; and determining, by the user device, locations of the wireless tags of the group in response to the first information, second information and the first movement information.