A mobile electronic device includes a wireless communications interface configured to receive, from a remote device, a sequence of remote device proximity indicators. The sequence of remote device proximity indicators indicate positions of the remote device. A mobile proximity detector of the mobile electronic device is configured to monitor a current position and a current velocity of the mobile electronic device; determine, from the sequence of remote device proximity indicators, a current remote device position and current remote device velocity; and determine, using at least the current remote device position and velocity, and the current position and the current velocity of the mobile electronic device, a likelihood of close contact between a user of the mobile electronic device and the remote device. A notification manager of the mobile electronic device is configured to notify the user of the likelihood of close contact.

The disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as long-term evolution (LTE). A method performed by a first terminal in a wireless communication system supporting sidelink is provided. The method comprises receiving from at least one second terminal location information of the second terminal and reliability information for the location information of the second terminal, selecting at least one second terminal to be used for location measurement of the first terminal based on the reliability information, and determining a location of the first terminal based location information of at least one second terminal selected based on the reliability information.

An object monitoring system including a plurality of location beacons, each location beacon being configured to generate a location broadcast message indicative of a beacon location and a tag associated with a respective object in use. The includes a tag memory configured to store object rules, a tag transceiver configured to transmit or receive messages and a tag processing device configured to determine context data at least partially indicative of a tag context by at least one of determining a tag location in accordance with at least one location broadcast message received via the tag transceiver from at least one of a plurality of location beacons and using stored context data, use the object rules and the context data to identify a trigger event, determine an action associated with the trigger event and cause the action to be performed.

Techniques are disclosed for predictive media streaming using microlocation. Microlocations of a mobile device can be determined by measuring one or more sensor values at one or more times, the one or more sensor values are determined from one or more signals emitted by a corresponding one or more signal sources. Streaming events can be stored at the mobile device. Each streaming event may include a destination device for playing media and a cluster location, the cluster location corresponding to sensor values that are spatially near each other. A selection of a media item is detected and one or more current sensor values are measured. A current cluster location can be identified using the one or more current sensor value. The current cluster location and the streaming events can identify a particular destination device for playing the selected media item.

A method and a system for ultra high frequency communication with and location of a portable device for “hands-free” access to a motor vehicle, the motor vehicle having an on-board communication device comprising an ultra high frequency transceiver, an electrical power supply source and at least one antenna, the motor vehicle including a first arrangement, in which the transceiver is connected to the antenna, and a second arrangement, in which the transceiver is disconnected from the antenna. The transceiver is connected to an attenuation module located at a predetermined distance from the transceiver. The attenuation module includes an impedance of predetermined value connected to ground. The predetermined distance between the transceiver and the attenuation module, as well as the predetermined value of the impedance, defining a locating area of the portable device in and around the motor vehicle.

According to one embodiment of the present disclosure, provided is a method in which a first device performs sidelink communication. The method may comprise: a step for determining at least one PRS resource for transmitting at least one PRS for sidelink positioning; a step for transmitting, to a second device, the at least one PRS on the basis of the at least one PRS resource; a step for receiving, from the second device, a PSCCH and a PSSCH associated with the PSCCH; a step for determining at least one PSFCH resource for transmitting the PSCCH or at least one PSFCH related to the PSSCH to the second device; and a step for transmitting, to the second device, the at least one PSFCH on the basis of the at least one PSFCH resource.

An example method of determining a position of a mobile device includes, for each of a plurality of anchor points, receiving respective relative position information between the respective anchor point and the mobile device such that the received relative position information for the plurality of anchor points forms a set of position information, each relative position information including at least one of: a direction between the respective anchor point and the mobile device, a distance between the respective anchor point and the mobile device, or a direction and a distance between the respective anchor point and the mobile device. The method includes determining an estimated position of the mobile device based on the set of position information; defining a set of loci, each locus of the set of loci being based on one or more of the relative position information from the set of position information; determining, for each locus of the set of loci, a distance value between the estimated position of the mobile device and the respective locus; determining, for each locus of the set of loci, a weight factor as a function of the determined distance values; and determining a refined position of the mobile device based on the set of position information and the determined weight factors. A positioning engine for determining a position of a mobile device is disclosed as well.

A computing system receives data indicating signal strength of signals transmitted between a plurality of beacons and a mobile device. The system determines a location of the mobile device within a vehicle coordinate system, wherein the beacons have known locations within the coordinate system, the determination being based in part on the signal strength. The system also determines that the location of the mobile device is proximate to a predefined vehicle element location and instructs issuance of an alert responsive to the proximity

Methods and apparatus for display of digital content associated with a location in a radio transmission area. A user interface is generated with a digital representation of energy levels received into an energy receiving sensor, such as a CCD or CMOS sensor. The user interface includes interactive portions based upon positions in the radio transmission area. The interactive portions may be activated to display the digital content in a user interface.

A method including: wirelessly transmitting and receiving data packets between first and second apparatuses; determining first and second angles of arrival at each apparatus for electromagnetic waves of the received data packets; providing first and second directions of arrival corresponding to the angles of arrival; converting the first and second directions into a global frame; projecting the first and second converted directions onto a horizontal plane; and computing a first drift estimate for a gyroscope or IMU of the first apparatus relative to the second apparatus, and/or computing a second drift estimate for a gyroscope or IMU of the second apparatus relative to the first apparatus, the first drift estimate being based on a difference between the projected second direction and a mirrored projected first direction, and the second drift estimate being based on a difference between the projected first direction and a mirrored projected second direction.