An approach is provided for dynamic beacons address allocation. The approach involves reporting, by each child node of a beacon tree structure, to a parent node, a load collection packet including a load count of each child node. Each child node is either a leaf node or a parent node. The parent node is either a root node or a child node reporting to another node. The parent node is located on a shortest path from a leaf node to the root node. The load count is a total number of the other nodes reporting to the parent node plus one. The approach also involves receiving, by each child node from the parent node, an address distribution packet that includes a contiguous logical address range and a weighted distance to the root node (WDR). The WDR and/or the tree structure are provided as an input for a drone navigation task.

An automated method is provided for activating a NFC application in a mobile interface device. In this method, the device receives from a beacon a wireless beacon signal comprising at least one beacon identifier. The wireless beacon signal is processed by the mobile interface device to determine the at least one beacon identifier. The mobile interface device determines based on the at least one beacon identifier, whether to activate the NFC application. Responsive to a determination that the NFC application should be activated, the mobile interface device transitions the NFC application from a passive state to an active state. NFC communication is then established between the mobile interface device and at least one NFC transmitting device disposed within a beacon range volume defined by the beacon location and the beacon range.

An automated method is provided for activating a NFC application in a mobile interface device. In this method, the device receives from a beacon a wireless beacon signal comprising at least one beacon identifier. The wireless beacon signal is processed by the mobile interface device to determine the at least one beacon identifier. The mobile interface device determines based on the at least one beacon identifier, whether to activate the NFC application. Responsive to a determination that the NFC application should be activated, the mobile interface device transitions the NFC application from a passive state to an active state. NFC communication is then established between the mobile interface device and at least one NFC transmitting device disposed within a beacon range volume defined by the beacon location and the beacon range.

Provided is a system (10) for remote activation of an emergency radio beacon by a Search and Rescue (SAR) party, the system (10) comprising a controller (12) operatively arranged in signal communication with an emergency radio beacon (14), a positioning module (16) arranged in signal communication with the controller (12) and configured to operatively provide spatial positioning data to the controller (12), and a receiver (18) arranged in signal communication with the controller (12) and configured to operatively receive an activation signal (20). The controller (12) is configured to activate the beacon (14) upon receipt of the activation signal (20) and to provide the spatial positioning data of a potentially lost or distressed party to the beacon (14) for transmission along with an emergency signal (22).

Provided is a system (10) for remote activation of an emergency radio beacon by a Search and Rescue (SAR) party, the system (10) comprising a controller (12) operatively arranged in signal communication with an emergency radio beacon (14), a positioning module (16) arranged in signal communication with the controller (12) and configured to operatively provide spatial positioning data to the controller (12), and a receiver (18) arranged in signal communication with the controller (12) and configured to operatively receive an activation signal (20). The controller (12) is configured to activate the beacon (14) upon receipt of the activation signal (20) and to provide the spatial positioning data of a potentially lost or distressed party to the beacon (14) for transmission along with an emergency signal (22).

A course of a mobile terminal device is estimated. An information processing system (S) includes: a plurality of transmission devices (1a, 1b) capable of transmitting predetermined radio waves; a terminal device (2) capable of receiving the predetermined radio waves; and a management device (3) communicably connected to the terminal device, wherein the terminal device (2) measures an intensity of the radio waves received from each of the plurality of transmission devices (1a, 1b) at intervals of a predetermined time period, and transmits measurement results to the management device (3), and the management device (3) estimates, from the measurement results, a distance from each of the plurality of transmission devices (1a, 1b) to the terminal device (2), and estimates a course of the terminal device (2) from the estimated distances.

A course of a mobile terminal device is estimated. An information processing system (S) includes: a plurality of transmission devices (1a, 1b) capable of transmitting predetermined radio waves; a terminal device (2) capable of receiving the predetermined radio waves; and a management device (3) communicably connected to the terminal device, wherein the terminal device (2) measures an intensity of the radio waves received from each of the plurality of transmission devices (1a, 1b) at intervals of a predetermined time period, and transmits measurement results to the management device (3), and the management device (3) estimates, from the measurement results, a distance from each of the plurality of transmission devices (1a, 1b) to the terminal device (2), and estimates a course of the terminal device (2) from the estimated distances.

A luminaire-based positioning system including a plurality of luminaires, each respective luminaire including a luminaire identifier. The system includes a gateway including a luminaire node map of commissioned luminaires with a commissioned luminaire identifier and commissioned location coordinates of each commissioned luminaire. The gateway includes an undesignated luminaire roster of undesignated luminaires with a set of undesignated location coordinates. Further, the gateway includes a plurality of projected received signal strength indication (RSSI) values. Additionally, the gateway includes programming to determine an association of an uncommissioned luminaire to a safest fit undesignated luminaire of the undesignated luminaire roster. Further, programming to assign to the uncommissioned luminaire the set of undesignated location coordinates of the safest undesignated luminaire. Additionally, programming to adjust the luminaire node map by adding a new set of commissioned location coordinates with the uncommissioned luminaire identifier that most safely fit the determined set of uncommissioned location coordinates.

Systems and methods for a low-frequency radio navigation system are described. The system may include a transmitter comprising a base coded modulator configured to generate a base modulation and a data coded modulator configured to generate a data modulation; wherein the transmitter radiates a continuous, constant-power chirped-FM spread spectrum signal, comprising: the base modulation; and the data modulation, wherein the data modulation is orthogonal to the base modulation. The system may also include a receiver comprising a digital signal processor, wherein at least one matched filter coupled to the digital signal processor, the at least one matched filter configured to decode said base modulation and data-encoded modulation and provide a correlation function for received signals received from at least three geographically-spaced transmitters.

A delivery device includes an image capture device for generating delivery image data of a delivery at a service address. A processor executes a delivery application to bidirectionally communicate delivery data with the delivery data server via the network interface, wherein the delivery data includes a delivery tracking number and the delivery image data. The delivery data server processes the delivery data to provide a delivery confirmation to a customer at the service address, wherein the delivery confirmation includes the delivery tracking number and the delivery image data.