Adding indoor location capabilities to an IEEE 802.11 WLAN using real-time RTT measurements Export

@proceedings{citeulike:6095410, abstract = {An accurate real-time application which locates mobile users in an indoor environment is highly demanded in hospitals, warehouses, etc., provided that minor changes in their infrastructure are required. Most present-day location techniques require a great calibration effort, or special devices which are not cost-effective. Avoiding these needs, this paper implements an autonomous positioning technique based on IEEE 802.11 RTS/CTS two-frame exchange in a real scenario. Two estimators of the delay profile measured are analyzed and a linear regression of them at each distance is performed from which the distance between a mobile user and an access point is estimated. Experimental results, without any tracking information nor nonline-of-sight mitigation, reveal the effectiveness of the proposed method.}, author = {Prieto, J. and Bahillo, A. and Mazuelas, S. and Lorenzo, R. M. and Blas, J. and Fernandez, P.}, citeulike-article-id = {6095410}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/WTS.2009.5068948}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5068948}, day = {05}, doi = {10.1109/WTS.2009.5068948}, journal = {Wireless Telecommunications Symposium, 2009. WTS 2009}, keywords = {localization, round-trip-time, rts, rts\_cts, rtt, source-localization, time-of-arrival, time-of-flight, toa}, month = {June}, pages = {1--7}, posted-at = {2009-11-10 16:34:23}, priority = {2}, title = {Adding indoor location capabilities to an IEEE 802.11 WLAN using real-time RTT measurements}, url = {http://dx.doi.org/10.1109/WTS.2009.5068948}, year = {2009} }

TY - CONF ID - citeulike:6095410 L3 - citeulike-article-id:6095410 N2 - An accurate real-time application which locates mobile users in an indoor environment is highly demanded in hospitals, warehouses, etc., provided that minor changes in their infrastructure are required. Most present-day location techniques require a great calibration effort, or special devices which are not cost-effective. Avoiding these needs, this paper implements an autonomous positioning technique based on IEEE 802.11 RTS/CTS two-frame exchange in a real scenario. Two estimators of the delay profile measured are analyzed and a linear regression of them at each distance is performed from which the distance between a mobile user and an access point is estimated. Experimental results, without any tracking information nor nonline-of-sight mitigation, reveal the effectiveness of the proposed method. JF - Wireless Telecommunications Symposium, 2009. WTS 2009 EP - 7 TI - Adding indoor location capabilities to an IEEE 802.11 WLAN using real-time RTT measurements SP - 1 KW - localization KW - round-trip-time KW - rts KW - rts_cts KW - rtt KW - source-localization KW - time-of-arrival KW - time-of-flight KW - toa AU - Prieto, J AU - Bahillo, A AU - Mazuelas, S AU - Lorenzo, RM AU - Blas, J AU - Fernandez, P PY - 2009/06/05/ UR - http://dx.doi.org/10.1109/WTS.2009.5068948 ER -