Abstract: A method comprises using a first directional transceiver (14A) to determine a first angle (?1) between a first vector (V1) from the first directional transceiver to a second directional transceiver (14B) and a second vector (V2) from the first directional transceiver to a third directional transceiver (14C), using the second directional transceiver to determine a second angle (?2) between a third vector (V3) from the second directional transceiver to the first directional transceiver and a fourth vector (V4) from the second directional transceiver to the third directional transceiver, calculating a location, relative to a local coordinate system, of the third directional transceiver using the first and second angles and locations in the local coordinate system of the first and second directional transceivers, the local coordinate system being defined relative to the locations of the first, second, and third directional transceivers, and calculating an orientation relative to the local coordinate system of the

Abstract: Method, apparatus, and computer program product example embodiments provide short-range communication based location finding. According to an example embodiment of the invention, a method comprises receiving, by a first transceiver of an apparatus mounted on a moveable platform, from a remote device, one or more wireless packets including information packets containing angle of arrival information from the remote device, wherein the moveable platform is in motion relative to the remote device; determining in the apparatus, at least a first angle of arrival from the received angle of arrival information; and generating distance estimation data in the apparatus relative to the remote device, based on the determined first angle of arrival.

Abstract: A method comprises using a first directional transceiver (14A) to determine a first angle (?1) between a first vector (V1) from the first directional transceiver to a second directional transceiver (14B) and a second vector (V2) from the first directional transceiver to a third directional transceiver (14C), using the second directional transceiver to determine a second angle (?2) between a third vector (V3) from the second directional transceiver to the first directional transceiver and a fourth vector (V4) from the second directional transceiver to the third directional transceiver, calculating a location, relative to a local coordinate system, of the third directional transceiver using the first and second angles and locations in the local coordinate system of the first and second directional transceivers, the local coordinate system being defined relative to the locations of the first, second, and third directional transceivers, and calculating an orientation relative to the local coordinate system of the

Abstract: An apparatus comprising: radio frequency circuitry; an electrical energy storage device configured to provide electrical energy to the radio frequency circuitry; and an antenna configured to receive signals from the radio frequency circuitry and comprising a first antenna portion and a second antenna portion, the first antenna portion and the second antenna portion being oriented in different directions, the antenna being configured to transmit signals received from the radio frequency circuitry to enable a hand portable device to determine a location of the apparatus from the transmitted signals.

Abstract: Apparatus (30) comprises a battery power supply, a radio-frequency transceiver, a multi-element antenna, and processor and memory. Software causes the apparatus (30): when in an idle mode, to broadcast positioning service advertisements and to refrain from broadcasting positioning packets, when in a positioning mode to broadcast positioning packets from each of the elements of the antenna (32A-C) such as to allow a mobile device (10) to determine a bearing to the mobile device (10) from the apparatus (30), and to transition from the idle mode to the positioning mode in response to receiving either a) a wake-up command or b) a positioning packet, from another apparatus including a multi-element antenna.

Abstract: Method, apparatus, and computer program product example embodiments provide short-range communication based location finding. According to an example embodiment of the invention, a method comprises receiving, by a first transceiver of an apparatus mounted on a moveable platform, from a remote device, one or more wireless packets including information packets containing angle of arrival information from the remote device, wherein the moveable platform is in motion relative to the remote device; determining in the apparatus, at least a first angle of arrival from the received angle of arrival information; and generating distance estimation data in the apparatus relative to the remote device, based on the determined first angle of arrival.

Abstract: A method for topology map determination comprises detecting at least one remote apparatus by a first apparatus, wherein each of the at least one remote apparatus and the first apparatus is identified by an identification information. The method further comprises determining a local distance information between the first apparatus and at least one of the at least one remote apparatus and receiving at least one distance measurement report from any one or each one of the at least one remote apparatus. The at least one distance measurement report comprises at least one peer identification information of at least one peer apparatus and an associated peer distance information between the remote apparatus and the at least one peer apparatus, and the method further comprises determining a topology map.

Abstract: A system for indicating the relative direction of a target object or location as determined from the current position of a wireless communication device. The system employs Direction of Arrival determination using an antenna array for indicating the direction of a target device and includes facilities to activate a location-indicating transmission in a target device, the ability to request that a location-indicating transmission be activated in a remote target device, relevant information reception from a target device and the display of all potential target devices within effective transmission range of the wireless communication device.

Abstract: The invention relates to an apparatus and method for estimating the distance between a transmitter and a receiver. A method comprising obtaining a signal from a receiver; determining whether the signal more likely propagated through a line-of-sight (LOS) radio channel or a non lme-of-sight (NLOS) radio channel; using a model including parameters selected according to the radio channel to estimate the distance between the receiver and a transmitter which sent the signal.

Abstract: A system for indicating the relative direction of a target object or location as determined from the current position of a wireless communication device. The system employs Direction of Arrival determination using an antenna array for indicating the direction of a target device and includes facilities to activate a location-indicating transmission in a target device, the ability to request that a location-indicating transmission be activated in a remote target device, relevant information reception from a target device and the display of all potential target devices within effective transmission range of the wireless communication device.

Abstract: A system for enhancing the performance of a wireless communication device (WCD) while executing a direction of arrival (DoA) estimation. The performance may be improved through device management, and may include the collection of information from one or more sensors installed within the WCD. The sensor information may initially be used to determine an appropriate configuration for the device. Further, the sensor information may also be used to affect the behavior of the device while performing the DoA estimation.

Abstract: The invention relates to an apparatus and method for estimating the distance between a transmitter and a receiver. A method comprising obtaining a signal from a receiver; determining whether the signal more likely propagated through a line-of-sight (LOS) radio channel or a non lme-of-sight (NLOS) radio channel; using a model including parameters selected according to the radio channel to estimate the distance between the receiver and a transmitter which sent the signal.

Abstract: A system for indicating the relative direction of a target object or location as determined from the current position of a wireless communication device. The system employs Direction of Arrival determination using an antenna array for indicating the direction of a target device and includes facilities to activate a location-indicating transmission in a target device, the ability to request that a location-indicating transmission be activated in a remote target device, relevant information reception from a target device and the display of all potential target devices within effective transmission range of the wireless communication device.

Abstract: An automatic personal warning system including: a first moving radio frequency transmitter apparatus; a first movable radio frequency receiver apparatus configured to receive first radio frequency signals originating from the first moving radio frequency transmitter apparatus and thereby obtain an indication of a kinematic parameter of the first moving radio frequency transmitter apparatus and configured to automatically generate a personal warning alert to a user of the first movable radio frequency receiver apparatus if the kinematic parameter of the first moving radio frequency transmitter apparatus satisfies a defined criterion.

Abstract: A system for indicating the relative direction of a target object or location as determined from the current position of a wireless communication device. The system employs Direction of Arrival determination using an antenna array for indicating the direction of a target device and includes facilities to activate a location-indicating transmission in a target device, the ability to request that a location-indicating transmission be activated in a remote target device, relevant information reception from a target device and the display of all potential target devices within effective transmission range of the wireless communication device.

Abstract: A system, including: an electrical network fitted to a building, for distributing electrical power within the building to make the building operational, the network comprising a plurality of nodes for outputting the electrical power each node comprising a receptacle for receiving a lighting element; and a plurality of radio devices, retrofitted to the operational building, wherein each of the radio devices is operable, when powered via a respective node of the network, to transmit data relating to positioning.

Abstract: A system for indicating the relative direction of a target object or location as determined from the current position of a wireless communication device. The system employs Direction of Arrival determination using an antenna array for indicating the direction of a target device and includes facilities to activate a location-indicating transmission in a target device, the ability to request that a location-indicating transmission be activated in a remote target device, relevant information reception from a target device and the display of all potential target devices within effective transmission range of the wireless communication device.

Abstract: A system for enhancing the performance of a wireless communication device (WCD) while executing a direction of arrival (DoA) estimation. The performance may be improved through device management, and may include the collection of information from one or more sensors installed within the WCD. The sensor information may initially be used to determine an appropriate configuration for the device. Further, the sensor information may also be used to affect the behavior of the device while performing the DoA estimation.

Abstract: A system, including: an electrical network fitted to a building, for distributing electrical power within the building to make the building operational, the network comprising a plurality of nodes for outputting the electrical power each node comprising a receptacle for receiving a lighting element; and a plurality of radio devices, retrofitted to the operational building, wherein each of the radio devices is operable, when powered via a respective node of the network, to transmit data relating to positioning.

Abstract: The invention relates to an apparatus and method for estimating the distance between a transmitter and a receiver. A method comprising obtaining a signal from a receiver; determining whether the signal more likely propagated through a line-of-sight (LOS) radio channel or a non lme-of-sight (NLOS) radio channel; using a model including parameters selected according to the radio channel to estimate the distance between the receiver and a transmitter which sent the signal.