此文章关注RFID射频标签的定位功能。坐标标签的概念，以及LANDMARC方案，在此文章被提出，用来提高定位精度。

-Object locating, tracking, direction find and speed estimating may be fulfilled by RFID technology, for the aim of locating and tracking.

Reference tag or pilot tag concept is introduced in LANDMARC.