Accurate GSM Indoor Localization Export

@incollection{citeulike:1058387, abstract = {Accurate indoor localization has long been an objective of the ubiquitous computing research community, and numerous indoor localization solutions based on 802.11, Bluetooth, ultrasound and infrared technologies have been proposed. This paper presents the first accurate GSM indoor localization system that achieves median accuracy of 5 meters in large multi-floor buildings. The key idea that makes accurate GSM-based indoor localization possible is the use of wide signal-strength fingerprints. In addition to the 6-strongest cells traditionally used in the GSM standard, the wide fingerprint includes readings from additional cells that are strong enough to be detected, but too weak to be used for efficient communication. Experiments conducted on three multi-floor buildings show that our system achieves accuracy comparable to an 802.11-based implementation, and can accurately differentiate between floors in both wooden and steel-reinforced concrete structures.}, author = {Otsason, Veljo and Varshavsky, Alex and LaMarca, Anthony and de Lara, Eyal}, citeulike-article-id = {1058387}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/11551201_9}, citeulike-linkout-1 = {http://www.springerlink.com/content/b6tbweug7qm91bwk}, doi = {10.1007/11551201_9}, journal = {UbiComp 2005: Ubiquitous Computing}, keywords = {gsm, indoor, positioning}, pages = {141--158}, posted-at = {2009-10-15 14:43:52}, priority = {3}, title = {Accurate GSM Indoor Localization}, url = {http://dx.doi.org/10.1007/11551201_9}, year = {2005} }

TY - CHAP ID - citeulike:1058387 L3 - citeulike-article-id:1058387 N2 - Accurate indoor localization has long been an objective of the ubiquitous computing research community, and numerous indoor localization solutions based on 802.11, Bluetooth, ultrasound and infrared technologies have been proposed. This paper presents the first accurate GSM indoor localization system that achieves median accuracy of 5 meters in large multi-floor buildings. The key idea that makes accurate GSM-based indoor localization possible is the use of wide signal-strength fingerprints. In addition to the 6-strongest cells traditionally used in the GSM standard, the wide fingerprint includes readings from additional cells that are strong enough to be detected, but too weak to be used for efficient communication. Experiments conducted on three multi-floor buildings show that our system achieves accuracy comparable to an 802.11-based implementation, and can accurately differentiate between floors in both wooden and steel-reinforced concrete structures. JF - UbiComp 2005: Ubiquitous Computing EP - 158 TI - Accurate GSM Indoor Localization SP - 141 KW - gsm KW - indoor KW - positioning AU - Otsason, Veljo AU - Varshavsky, Alex AU - LaMarca, Anthony AU - de Lara, Eyal PY - 2005/// UR - http://dx.doi.org/10.1007/11551201_9 ER -