Abstract: Mobile communication stations (STA) and a method for position estimation in a wireless network having access points (APs) are disclosed. The STA is configured to perform position estimation operations, with respect to the APs, based on a position latency parameter, a rate parameter, a power parameter, and an accuracy parameter. An upper layer of the STA may send the parameters to a position provider that generates the position estimation measurements and transmits the results back to the upper layer wherein the results include the position of the STA prior to the present time and the length of time from the present time to the time that the STA was at that particular position.

Abstract: Systems and methods are directed to securely identifying positioning information and include a plurality of APs configured to facilitate wireless communications within a servicing area, an infrastructure entity, communicatively coupled to each of the APs, and configured to store and process subscription information, positioning information, QoS information indicative of resolution levels of the positioning information, and encryption/decryption information specific to each of a plurality of subscribing member wireless devices. As a wireless device enters the servicing area, the wireless device establishes a first level of communication with the infrastructure entity via at least one AP, and requests positioning information to the at least one AP which is then forwarded to the infrastructure entity.

Abstract: The disclosure generally relates to an enhanced positioning system and method using a combination or hybrid filter. In one embodiment, Time-Of-Flight (ToF) measurements are used to determine an approximate location for a mobile device in relationship to one or more Access Points. The ToF combined with known and unknown variables are then processed through a hybrid filter system to determine location of the mobile device. The hybrid filter system may include a Kalman Filter (KF) for processing linear models and generally Gaussian noise distribution. The KF assumes that the state probability of mobile device location is Gaussian. Such variables include, for example, WiFi ToF bias. The hybrid filter system may include a Bayesian Filter (BF) for processing variables having non-Gaussian noise distribution and non-linear models. Such variables include, for example, the coordinates of the mobile device. A probability determination from each of the KF and BF is then applied to estimate the mobile device location.

Abstract: An apparatus, a system and a method of waking up a station in a wireless local area network (WLAN) to perform time of flight (ToF) measurements. A wake-up signal for waking the station may be configured for a low energy signaling.

Abstract: A method and system for time-of-flight (ToF) positioning in an IEEE 802.11 network comprises a responder station to transmit samples of preambles as the preambles are received. The samples represent channel information. The preambles comprise extension high-throughput long training fields (HT-LTFs). An initiator station is arranged to perform a time-of-arrival calculation based at least in part on an analysis of the channel information.

Abstract: A system for time-of-flight (ToF) positioning in an IEEE 802.11 network comprises an initiating station that transmits a request frame over a channel to a responding station for a ToF position measurement. The responding station may respond with an offloading of the channel information, request frame receipt time, and response frame transmit time back to the initiating station to enable the initiating station to calculate the ToF position with respect to the responding station.

Abstract: Some demonstrative embodiments include devices, systems and/or methods of estimating a location of a mobile device. For example, an apparatus may include a wireless communication unit to communicate a message between an access point and a mobile device, the message including a group identifier to indicate the access point belongs to a group of two or more access points having local coordinates measured with respect to a common origin point.

Abstract: Navigation systems for use in indoor environments may include a navigation system that can calculate a time of flight of signals between a navigation device and a WiFi® Access Point. Such a calculation can be more accurate not just by using more accurate oscillators in devices, but by correcting a relative error between two devices. This relative error may be found by determining a timing offset correction, a difference in accuracy between the navigation device and the WiFi® Access Point. This may be performed by performing a fine frequency estimation on a long training field or by receiving a parts per million (ppm) offset from another device. Once the ppm offset is determined, the accuracy of the navigation device can be improved by a factor of 50 using a series of equations described in the disclosure.

Abstract: The disclosure relates to a method, apparatus and system for optimized indoor position estimation. Specifically, the disclosure relates to indoor position estimation by considering the likelihood that an access point may be an outlier. In one embodiment, the disclosure relates to a system to determine a device location.

Abstract: Systems and methods are directed to use of a neighbor list for wireless indoor navigation. The neighbor list may include related information regarding all neighboring access points (APs). The neighbor list can be transmitted, at least partially, to include the related information of a desired number of or all APs in the neighbor list from one AP to a wireless device. The neighbor list can be transmitted in a Neighbor Report Response (NRR) or a time-of-flight (ToF) Response and allow the wireless device to scan for minimal number of APs for ToF measurements. By using the neighbor list, power consumption and time can be significantly reduced during wireless indoor navigation.

Abstract: A system for time-of-flight (ToF) positioning in an IEEE 802.11 network comprises an initiating station that transmits a request frame over a channel to a responding station for a ToF position measurement. The responding station may respond with an offloading of the channel information, request frame receipt time, and response frame transmit time back to the initiating station to enable the initiating station to calculate the ToF position with respect to the responding station.

Abstract: A method and system for time-of-flight (ToF) positioning in an IEEE 802.11 network comprises a responder station to transmit samples of preambles as the preambles are received. The samples represent channel information. The preambles comprise extension high-throughput long training fields (HT-LTFs). An initiator station is arranged to perform a time-of-arrival calculation based at least in part on an analysis of the channel information.

Abstract: Some demonstrative embodiments include devices, systems and/or methods of calibrating a radio delay. For example, a radio delay calibrator may calibrate at least one radio delay of a radio of a wireless communication device based on one or more calibration messages received by the wireless communication device from one or more other wireless communication devices, the calibration messages including calibration information, which is based on radio delays of the one or more other wireless communication devices.

Abstract: Systems and methods are directed to information exchange between a location point (LP) and a wireless device. A LP may include a network access point (AP) and/or a dedicated location entity. In one embodiment, supplemental location-related information of a LP including, but not limited to, a geographic location source, geographic location accuracy, geographic location update time, LP type, distance from another LP, and/or timing offset calibration accuracy, may be wirelessly transmitted from a LP to a wireless device.

Abstract: Systems and methods that provide positional data with a variable level of precision may be implemented on positional systems of electronic devices by associating a position profile to application software running on the electronic devices.

Abstract: Apparatus and techniques are described, such as for providing indoor location services. Embodiments include active, passive or independent time-of-flight (ToF) responders that are adapted to provide a device with fine time measurement information to a device in order to determine a distance between the device and the network equipment or a responder. Embodiments may include network equipment coupled to one or more active ToF responders such that the active ToF responders provides ToF information to a device when the network equipment does not support a ToF protocol. Embodiments may include a server coupled to the network equipment, the server being arranged to receive location information from a plurality of devices over a network connection provided by an access point other than the network equipment, and to determine the location of the network equipment and one or more ToF responders coupled to the network equipment based on the location information.

Abstract: Some demonstrative embodiments include devices, systems and/or methods of estimating a location of a mobile device. For example, an apparatus may include a wireless communication unit to communicate Time of Flight (ToF) accuracy information corresponding to a location area. The ToF accuracy information may include at least one accuracy indicator corresponding to at least one wireless communication device. The accuracy indicator may indicate an accuracy of a ToF measurement at the location area with the wireless communication device.

Abstract: Embodiments of a communication station and method for time-of-flight (ToF) positioning in a wireless network are generally described herein. In some embodiments, a ToF cooperation table may be received by a positioning station from an access point. The ToF cooperation table may identify one or more cooperating stations and may include information about each cooperating station for ToF positioning. A ToF positioning protocol may be performed with at least some of the cooperating stations identified in the ToF cooperation table using the information in the ToF cooperation table. During the ToF positioning protocol, a current position and a station positional accuracy may be received from each cooperating station. The current position may be a position when ToF is measured. A location of the positioning station may be determined based on the current positions and the ranges to each of the cooperating stations determined from the ToF positioning protocol.

Abstract: Devices, systems, and methods are directed to the determination of current location information of a wireless communication device. Such devices, systems, and methods include a plurality of sensor elements configured to provide orientation parameter information, velocity and/or acceleration parameter information, and directional heading parameter information; a camera mechanism configured to capture images at predetermined intervals of a user's body as the user handles the wireless communication device; orientation logic configured to determine orientation change information attributable to the user's handling, based on the captured images, and provide orientation correction information; and location estimation logic configured to provide current location information based on previous location information, the velocity and/or acceleration parameter information, the directional heading parameter information and/or the orientation parameter information, and the orientation correction information.

Abstract: Some demonstrative embodiments include devices, systems and/or methods of calibrating a radio delay. For example, a radio delay calibrator may calibrate at least one radio delay of a radio of a wireless communication device based on one or more calibration messages received by the wireless communication device from one or more other wireless communication devices, the calibration messages including calibration information, which is based on radio delays of the one or more other wireless communication devices.