Abstract: A method for use in a lighting system for rendering emergency lighting comprises detecting (101) a switch from a normal mode of the lighting system to an emergency mode of the lighting system and a switch from the emergency mode to the normal mode and activating (103) an emergency radio frequency-based sensing function upon detecting the switch from the normal mode to the emergency mode. The radio frequency-based sensing comprises detection of disturbances to a radio frequency field. The method further comprises deactivating (105) the emergency radio frequency-based sensing function upon detecting the switch from the emergency mode to the normal mode.

Abstract: A system (1) for controlling message routing within a wireless network, which comprises a plurality of nodes (1,11-15), is configured to determine a first subset of the plurality of nodes. The first subset comprises one or more devices (12,15) that are assigned a radio frequency-based presence and/or location detection function. The system is further configured to determine a plurality of routes from a source node (1) to a destination node (12). At least one of the plurality of routes comprises one or more intermediate nodes (11,13,14,15). The system is further configured to select one of the plurality of routes based on how many of the intermediate nodes of each of the plurality of routes are part of the first subset of the plurality of nodes and transmit one or more messages to cause the wireless network to perform message routing according to the selected route.

Abstract: The invention provides a device for providing an action upon detecting an object in a space, the device comprising a processor configured to: obtain sensor data recorded by a portable sensor associated with the object; determine a first movement pattern from said sensor data; obtain communication data comprising wireless communication signals exchanged between electronic devices of a wireless network within said space; determine a second movement pattern from said communication data; determine whether said first movement pattern matches with said second movement pattern, so as to detect the object in said space; and perform an action upon determining a match.

Abstract: The invention relates to detecting commissioning errors in a commissioned sensor system, wherein the sensor system comprises a plurality of sensor devices installed so as to cover an area. The sensor devices capture sensor data from the area whilst at least one entity moves through the area. A computer system of the sensor system processes the sensor data to generate a set of location data, which identifies locations traversed by the at least one moving entity. A discrepancy in the set of location data in detected, the discrepancy caused by at least one of the sensor devices having been incorrectly commissioned. Based on this detection, a modification can be made to the sensor system to compensate for or correct the incorrect commissioning of the at least one sensor device.

Abstract: The invention provides a controller, system, method, and computer program product for controlling a wireless network to perform radiofrequency-based motion detection. Thereto, the invention provides a controller for controlling a wireless network comprising a plurality of nodes to perform radiofrequency-based motion detection, wherein each unique pair of the plurality of nodes forms a respective node pair and collectively results in a plurality of node pairs, wherein the controller is configured to: select a reference node pair from the plurality of node pairs; obtain at least one reference characteristic of the reference node pair; select a subset of node pairs from the plurality of node pairs, wherein each respective node pair in the subset of node pairs comprises a respective characteristic matching the at least one reference characteristic; perform the radiofrequency-based motion detection with said subset of node pairs.

Abstract: An electronic device is configured to use a first protocol to transmit and/or receive a radio frequency signal during a first part (291) of each of a plurality of periods (281-285). The radio frequency signal is used for presence and/or location detection. The electronic device is further configured to obtain network messages transmitted wirelessly using a second protocol during a second part (292-294) of each of the plurality of periods. The second part does not overlap with the first part. A duration of the first part varies between at least two of the plurality of periods and/or a duration of the second part varies between at least two of the plurality of periods.

Abstract: The invention is directed to a signal-strength compensating unit (100) for providing a temperature-compensated received-signal-strength indication value of a wireless signal (W) received by an external wireless receiver from an external wireless transmitter (106).

Abstract: A controller (102) for configuring a lighting system (100, 200, 300) is disclosed.

Abstract: The invention relates to an electronic device (1) for determining a reachability of a further electronic device (15-18) over a wireless connection. The further electronic device is part of a wireless network. The electronic device is configured to determine whether the further electronic device is reachable using a first wireless communication protocol (31), determine whether the further electronic device is reachable using a second wireless 5 communication protocol (33), and provide an indication of a status of the further electronic device based on the reachability of the further electronic device using the first wireless communication protocol and the reachability of the further electronic device using the second wireless communication protocol.

Abstract: Apparatus for controlling a plurality of lighting devices to emit light, the controller comprising: a lighting interface for transmitting control commands to each of the plurality of lighting device in order to control the plurality of lighting devices; and a controller configured to: obtain orientation information indicative of an orientation of a user device and based thereon determine the orientation of the user device; obtain location information indicative of a location of the user device and based thereon determine the location of the user device; process the determined orientation of the user device and the determined location of the user device to determine one or more lighting settings for one or more of the plurality of lighting devices; and selectively control, via the lighting interface, the one or more lighting devices to emit light in accordance with the one or more determined lighting settings.

Abstract: The invention provides a device for providing an action upon detecting an object in a space, the device comprising a processor configured to: obtain sensor data recorded by a portable sensor associated with the object; determine a first movement pattern from said sensor data; obtain communication data comprising wireless communication signals exchanged between electronic devices of a wireless network within said space; determine a second movement pattern from said communication data; determine whether said first movement pattern matches with said second movement pattern, so as to detect the object in said space; and perform an action upon determining a match.

Abstract: A controller (102) for configuring a lighting system (100, 200, 300) is disclosed.

Abstract: A system (1) for selecting one or more devices in a wireless network for transmitting, receiving and/or processing a radio frequency signal for presence and/or location detection comprises at least one processor (5) configured to determine a suitability of each of a plurality of devices (11-15) for transmitting, receiving and/or processing a radio frequency signal for presence and/or location detection, select a subset of devices from the 5 plurality of devices based on the suitability determined for each of the plurality of devices, and instruct at least one of the subset of devices to act as a device for transmitting, receiving and/or processing a radio frequency signal for presence and/or location detection.

Abstract: The invention provides a controller, system, method, and computer program product for controlling a wireless network to perform radiofrequency-based motion detection. Thereto, the invention provides a controller for controlling a wireless network comprising a plurality of nodes to perform radiofrequency-based motion detection, wherein each unique pair of the plurality of nodes forms a respective node pair and collectively results in a plurality of node pairs, wherein the controller is configured to: select a reference node pair from the plurality of node pairs; obtain at least one reference characteristic of the reference node pair; select a subset of node pairs from the plurality of node pairs, wherein each respective node pair in the subset of node pairs comprises a respective characteristic matching the at least one reference characteristic; perform the radiofrequency-based motion detection with said subset of node pairs.

Abstract: A lighting control system is configured to implements steps of: receiving lighting control inputs from a user; controlling light emitted by illumination sources of a lighting system according to the lighting control inputs; determining from the user inputs a user engagement level for at least one of the illumination sources; randomly generating control triggers for the at least one illumination source based on the user engagement level, wherein the probability of a control trigger being generated within a time interval increases as the user engagement level decreases; and responding to randomly generated control triggers for the at least one illumination source, when generated, by autonomously controlling the at least one illumination source to render a lighting effect or autonomously suppressing a lighting effect for the at least one illumination source.

Abstract: A controller for controlling a battery-powered luminaire in a lighting network comprises: a network interface for communicating with the lighting network; and control logic for controlling at least one illumination source of the battery-powered luminaire; wherein the control logic is configured to: detect a failure of at least one mains-powered luminaire in the lighting network, determine that the mains-powered luminaire was emitting or had been instructed to emit a visual alert when the failure occurred, and control the at least one illumination source of the battery-powered luminaire to emit a version of that visual alert in response, the failure being detected based on a loss of communication, within the lighting network, with the mains-powered luminaire.

Abstract: A presence detection system (10) is disclosed comprising a camera module (20) comprising an image sensor (21) having a plurality of pixels (22) for capturing an image of a space (1) and a signal processor (23) arranged to process signals from each pixels in accordance with one or more configuration parameters for said pixel; and generate a setting for the image sensor from the processed signals. The system further comprises a controller (30) communicatively coupled to the signal processor and arranged to provide the signal processor with configuration parameters for the pixels based on an expected presence in a region of said image such that the pixels corresponding to said region have at least one different configuration parameter to pixels outside said region; periodically receive the setting from the signal processor; and detect a change in said presence in the space from a change in the received setting.

Abstract: Apparatus for controlling a plurality of lighting devices to emit light, the controller comprising: a lighting interface for transmitting control commands to each of the plurality of lighting device in order to control the plurality of lighting devices; and a controller configured to: obtain orientation information indicative of an orientation of a user device and based thereon determine the orientation of the user device; obtain location information indicative of a location of the user device and based thereon determine the location of the user device; process the determined orientation of the user device and the determined location of the user device to determine one or more lighting settings for one or more of the plurality of lighting devices; and selectively control, via the lighting interface, the one or more lighting devices to emit light in accordance with the one or more determined lighting settings.

Abstract: A method and apparatus for controlling a lighting system for providing illumination of a space, in which detected inputs or triggers give rise to updated illumination settings or patterns of illumination. A determination is made as to whether such an update should be applied automatically, or whether confirmation from a user should be sought before making any changes.

Abstract: A presence detection system (10) is disclosed comprising a camera module (20) comprising an image sensor (21) having a plurality of pixels (22) for capturing an image of a space (1) and a signal processor (23) arranged to process signals from each pixels in accordance with one or more configuration parameters for said pixel; and generate a setting for the image sensor from the processed signals. The system further comprises a controller (30) communicatively coupled to the signal processor and arranged to provide the signal processor with configuration parameters for the pixels based on an expected presence in a region of said image such that the pixels corresponding to said region have at least one different configuration parameter to pixels outside said region; periodically receive the setting from the signal processor; and detect a change in said presence in the space from a change in the received setting.