Wireless devices, systems and approaches or methods having the capability of determining the location of a given wireless device. An example system includes a wireless device that generates at least one pulse as a part of an output signal, and the at least one pulse is captured by anchor devices and...http://www.google.com/patents/US20070076638?utm_source=gb-gplus-sharePatent US20070076638 - LOCALIZATION FOR LOW COST SENSOR NETWORK
