A method and system for determining a location of a plurality of units using sub-divided unit groupings

Provides a method and system is used to determine in multiple units are position, subdivides multiple units to is more than sub-network packets, wherein comprising two or more device. Each sub-network packet; the sub-network the distance measuring information and one or more reference located between units are collected of the located at least one elected device. The device according the second and estimating each unit position, wherein the estimation bars are corresponding secondary network according any error between the distance measuring.