Sk Telecom Company, Ltd.

Seung Yoon Baek

Chang Seok Lee

Chae Hwan Cho

Suk Yon Kang

Hye Jin Lee

Jong Tae Ihm

Hye Min Lee

Hye Joo Lee

The present disclosure provides in some aspects a method for positioning by a positioning access point, and an apparatus, system and access point for the same. A positioning system includes an AP including a positioning AP for delivering a positioning WLAN signal containing a dedicated positioning information and a telecom AP for delivering a telecom WLAN signal; database for storing an identification information of the access point and a location information belonging to the AP and matching the identification information; terminal for communicating with the AP; and WLAN-based positioning server responsive to a positioning request from the terminal for comparing a parameter of a WLAN signal received from the terminal with an identification information of the positioning AP on a priority basis, and when there is a match of information, granting the location information of the relevant access point the highest priority to determine the location of the terminal.

Method for measuring position using a positioning access point, and device, system, and access point for same

Embodiments of the disclosure concern a mobile terminal positioning apparatus, method for establishing wireless LAN information of the apparatus, mobile terminal positioning server, and method for operating the server wherein mobility of access point is determined by using positioning information provided at the request of mobile terminal positioning, updating wireless LAN information in wireless LAN server based on stationary access point to make it available to providing mobile terminal positioning service. Exemplary positioning apparatus includes access point for performing local wireless communications; node information-based server for managing wireless environment information of a node in charge of the mobile terminal communications; wireless LAN server; positioning server for calculating distance between the access point and node or between access point and mobile terminal, and if a certain distance is exceeded, determining the access point to be transportable and deletable, and providing the positioning result on stationary access point basis.

Positioning device of mobile communication terminal, method for constructing wireless LAN information of device, positioning server of mobile communication terminal, and method for driving server

A mobile terminal device for positioning, includes: a wireless local area network (WLAN)/wireless personal area network (WPAN) communication unit to acquire identification information of one or more WLAN/WPAN communication modules of one or more adjacent other terminal devices; a request unit to transmit the identification information of the WLAN/WPAN communication modules to a service server to inquire about service subscription/unsubscription and request location and state information of the adjacent other terminal devices that are service subscribers; and a user interface unit to receive location and state information of the adjacent other terminal devices from the service server and display the location and state information on a screen.

Location and state information providing/inquiring system using WLAN/WPAN communication, log information providing/inquiring system and method, service server and customer terminal, location and state providing/inquiring method

An apparatus for updating a database for wireless LAN based positioning includes a database for storing grid cells divided by pCell ID and base station-derived environment information and wireless LAN environment information matched to the grid cells; a grid cell determining unit for determining an information-unmeasured grid cell among the grid cells, the information-unmeasured grid cell being a grid cell that has unmeasured information among parameters of the wireless LAN environment information matched to the grid cells; an unmeasured parameter checking unit for checking an unmeasured parameter in the information-unmeasured grid cell; a radiowave environment estimating unit for generating radiowave environment estimation information by estimating the unmeasured information based on the unmeasured parameter checked; and a database updating unit for reflecting the radiowave environment estimation information in the information-unmeasured grid cell determined.

Method and device for updating a database for wireless LAN based positioning

A location and state information providing/inquiring system using WLAN/WPAN communication, log information providing/inquiring system, service server, customer terminal, location and state information providing/inquiring method, and log information providing/inquiring method are disclosed. System for providing/inquiring location and state information by using WLAN/WPAN communication includes: mobile terminal including WLAN/WPAN communication module for acquiring and transmitting identification information of one or more WLAN/WPAN communication modules of one or more adjacent other terminals; service server for storing identification information of subscriber terminals, receiving identification information of WLAN/WPAN communication modules from mobile terminal, and transmitting list of service subscribers; and positioning server for positioning subscriber terminals of service subscribers, and if one or more service subscribers are selected by mobile terminal based on list received from service server, transmitting location and state information of terminals corresponding to service subscribers selected to mobile terminal.

The present disclosure concerns a method and apparatus for estimating AP position using WLAN radiowave environment map. An embodiment includes filter for generating filtering radiowave map with data selected exclusively for having common MAC address from collected WLAN radiowave environment maps; grid-cell divisor for generating grid radiowave map with arbitrary grid cells from dividing the filtering radiowave map; representative-coordinate mapper for calculating centroid of each of grid cells constituting grid radiowave map and mapping each centroid as representative coordinate to each grid cell; representative-signal-strength mapper for calculating representative signal strengths based on data in grid cell and mapping each representative signal strength to grid cell; weight-value sorter for sorting out weight value corresponding to a range covering representative signal strength as received; and position estimator for estimating positional information of APs having common MAC address based on one or more of representative coordinate, representative signal strength, and weight value.

Method and device for estimating AP position using a map of a wireless LAN radio environment

Apparatus for determining a positioning error includes: database for storing grid cells separated by each pCell ID and WLAN environment information matched to grid cells; information receiving unit for receiving terminal WLAN environment information from mobile communication terminal; identification information checking unit for checking AP identification information included in terminal WLAN environment information; triangulating unit for calculating triangulation coordinate value by performing triangulation with AP position estimation information corresponding to AP identification information; grid cell positioning unit for selecting one or more grid cells corresponding to AP identification information and calculating grid cell coordinate value based on coordinate value corresponding to grid cell selected; and error determining unit for comparing triangulation coordinate value and grid cell coordinate value and determining whether there is positioning error in any one of triangulation coordinate value and grid cell coordinate value.

Growing community of inventors

Seoul, South Korea

Seung Yoon Baek