A Four Architectures to Locate Mobile Users using Statistical Mapping of WLANs in Indoorand Outdoor Environments-Loids

Authors: K. Krishna Naik, M. N. Giri Prasad

Abstract:

These days wireless local area networks has become very popular, when the initial IEEE802.11 is the standard for providing wireless connectivity to automatic machinery, equipment and stations that require rapid deployment, which may be portable, handheld or which may be mounted on moving vehicles within a local area. IEEE802.11 Wireless local area network is a sharedmedium communication network that transmits information over wireless links for all IEEE802.11 stations in its transmission range to receive. When a user is moving from one location to another, how the other user knows about the required station inside WLAN. For that we designed and implemented a system to locate a mobile user inside the wireless local area network based on RSSI with the help of four specially designed architectures. These architectures are based on statistical or we can say manual configuration of mapping and radio map of indoor and outdoor location with the help of available Sniffer based and cluster based techniques. We found a better location of a mobile user in WLAN. We tested this work in indoor and outdoor environments with different locations with the help of Pamvotis, a simulator for WLAN.

Keywords: AP, RSSI, RPM, WLAN.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1072345

References:

[1] Dr. M.N. Giri Prasad and K.Krishna Naik "IAPP for IEEE802.11 WLAN Range Improvements", I-Managers Journal on Software Engineering,Vol. 1 No. 4 April-June 2007.
[2] K.Krishna Naik and B.M.G.Prasad "QoS in IEEE802.11 Wireless Local Area Networks with Enhanced MAC"- I-Manager-s Journal on Engineering & Technology,vol.1 No.3, February 2006.
[3] K.Krishna Naik "Antenna Design Analysis, Construction and Testing for IEEE802.11 WLAN Range Improvements"-M.Tech Thesis at IIITAllahabad- 2004.
[4] Neeli Prasad and Anand Prasad "WLAN System and Wireless IP for next generation communication"
[5] IEEE 802.11b Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, http://standards.ieee.org/getieee802/802.11.html
[6] Luis Felipe M.de Moraes and Bruno Astuto A. Nunes "Calibaration free WLAN location system based on dynamic mapping of signal strength" Mobiwac-06 october 2006.
[7] Paramvir Bhal and Venkata N Padmanabhan" A software system for Locating Mobile Users: Design, Evaluation and Lessons".
[8] P. Bahl, V.N. Padmanabhan, "RADAR: An In-Building RFbased User Location and Tracking System," Proceedings of IEEE Infocom 2000, Tel Aviv, Israel, March 2000.
[9] P. Krishnan, A.S. Krishnakumar, Wen-Hua Ju, C. Mallows, S.Ganu, "A System for LEASE: System for Location Estimation Assisted by Stationary Emitters for Indoor RF Wireless Networks", Proceedings of IEEE Infocom 2004, Hong Kong,March 2004.
[10] Moustafa Youssef, Ashok Agrawala, A. Udaya Shankar, "WLAN Location Determination via Clustering and Probability Distributions," IEEE Intnl. Conf. on Pervasive Comp. andComm. (PerCom) 2003, March 23-26, 2003.
[11] W. Stallings. Wireless Communications and Networks. Prentice Hall, first edition, 2002
[12] K.Krishna Naik and Dr. M.N.Giri Prasad "A system for locating mobile users using dynamic mapping in wlans-loids" unpublished.