Abstract: The present invention regards performing RF-based sensing in RF system (100) comprising multiple nodes (10, 27, 28, 29, 30) of which at least two nodes (10) are included a dense node arrangement (26). A first group of nodes including at least one node (10) of the dense node arrangement (26) and a second group including the at least one node of the first group and at least one additional node of the dense node arrangement are formed. RF-based sensing is performed by the first group in a first sensing area for detecting a first sensing event indicating a presence of an object (32) in the first sensing area. If the first sensing event is detected, RF-based sensing is performed by the second group in a second sensing area (60) at least partially overlapping with the first sensing area for recognizing a second sensing event indicating an activity of the object.

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: The invention refers to a system that allows to improve a detection accuracy in network RF sensing. A system (150) for controlling a re-baselining of a network device (110) is presented, wherein a new baseline is determined based on a detection signal detected by the network device and/or detected by other network devices (130, 120), wherein the system comprises a detection signal providing unit (151) for providing a detection signal detected by the network device and/or by other network devices in the detection area, a quality criterion checking unit (152) for checking if a predetermined quality criterion for a re-baselining is fulfilled based on the provided detection signal, and a re-baselining unit (156) for controlling the network device to re-baseline if the predetermined quality criterion is fulfilled. Thus, the long term detection accuracy in detecting the presence or absence of a subject in the detection area can be improved.

Abstract: The invention relates to a luminaire system (100) comprising a lighting unit (101), a housing (102) containing at least a part of the lighting unit, wherein the lighting unit and the housing are parts of a luminaire, and a sensing means (103) positioned at or within the housing, wherein the sensing means is adapted to sense a functional parameter indicative of a functional characteristic of the luminaire that is influenced by water ingress into at least a part of the luminaire. Further, the luminaire system comprises a water ingress determination unit (104) being adapted to determine water ingress into at least a part of the luminaire based on the sensed functional parameter. Thus, a luminaire system is provided that allows to determine water ingress into a luminaire before the water can damage the luminaire such that the persistence and safety of the luminaire is improved.

Abstract: The present invention relates to servicing devices (10, 10?, 10?) requiring to be serviced. The devices (10, 10?, 10?) are included in a connected system (100). A respective operation right is assigned to each of the devices (10, 10?, 10?). An operation mode of each of the devices (10, 10?, 10?) depends on its assigned respective operation right. When a respective one of the devices (10, 10?, 10?) requiring to be serviced is serviced, an updated operation right is assigned at least to the respective device (10, 10?, 10?) in dependence of how the respective device (10, 10?, 10?) is serviced. Access to the device (10, 10?, 10?) for servicing it may be dependent on an authorization. A functionality of the serviced device (10, 10?, 10?) may be limited if an unauthorized user serviced the device (10, 10?, 10?).

Abstract: A method for enforcing contact tracing is provided including: associating, via a processor associated with a plurality of connected sensors, a first person with a first mobile device based in part on a first distance between the first person and the first mobile device; determining, via the processor, that the first person and the first associated mobile device are separated from each other by a second distance; notifying, via at least one light effect provided by an illumination device in communication with the processor, the first person that the first person and the first associated mobile device are separated from each other by the second distance. The method can further include: determining, via the processor, that a second person is positioned within predetermined proximity to the first person, and receiving, via the illumination device, contact tracing data on behalf of the first mobile device from the second mobile device.

Abstract: According to one aspect disclosed herein, there is provided an optical wireless charging and data transmission system (100), the system comprising: a plurality of transmitter nodes (102,2020) operable to perform a first function of emitting a beam of light (104) to charge a receiver device (106) and a second function of emitting a beam of light (206) to transmit data to the receiver device (106); and a controller (108) configured, for each of the transmitter nodes, to perform a selection by selecting between performing the first function and the second function; wherein the controller is configured to perform the selection for each of the plurality of transmitter nodes based on one or more properties of the system comprising the spatial configuration of the system (100) and one or more properties of the receiver device (106) comprising the location of the receiver device relative to the system, by selecting a first transmitter node (202) of the plurality of transmitter nodes (102, 202) for transmitting data t

Abstract: A method for selecting a subset of devices from a plurality of devices in a wireless network to perform: a first function comprising transmitting, receiving and/or processing a first radio frequency signal in a first frequency band for detecting atmospheric conditions; and a second function comprising transmitting, receiving and/or processing a second radio frequency signal in a second frequency band, at least partially overlapping with the first frequency band, for performing network communications; wherein the first and the second function are performed during a time period; and wherein the time period comprises a first subset of timeslots and a second subset of timeslots; wherein the method comprises: selecting the subset of devices based on a physical location of the devices relative to an area in which atmospheric conditions are to be monitored; assigning the first subset of timeslots to each of the selected devices to perform the first function, wherein the first subset of timeslots is assigned based on

Abstract: The invention relates to a system, a light unit, a sensor device and a method for disinfection applications. The system (100) comprises a) a light unit (110) comprising i) a light source (111), e.g. LED, adapted to emit at least disinfectant light (115), and ii) a controller (112) for controlling the light source such that at least a part of the light is encoded with information on light characteristics of the disinfectant light, and b) a sensor device (120) comprising i) a detection surface (121) adapted to be arranged on an object (130) and to detect the encoded light, and ii) a disinfection status deriving unit (122) adapted to derive a disinfection status of the object based on the light characteristics encoded in the encoded light. This allows for providing a good estimate of a disinfection status of an object treated with the disinfection light.

Abstract: The present invention is particularly directed to a signal-quality determination device (300) that comprises a transceiver unit configured to provide a wireless beacon-request signal as a single-hop broadcast signal indicative of a request to any wireless communication device (312.1, 312.2, 340) within a single-hop distance from the signal-quality determination device and belonging or not to a wireless communication network 350 to which the signal-quality determination device belongs, to provide a respective beacon-response signal upon reception of the beacon-request signal, and to receive the beacon-response signals. The signal-quality determination device is configured to determine beacon signal-quality data (SQ) indicative of a received-signal quality, e.g. RSSI of the beacon-response signal, or a channel-state CSI of a respective wireless communication link.

Abstract: The invention refers to a control module (130) for controlling a radio frequency sensing. The control module comprises a) a sensing area defining unit (131) for defining two sensing areas (110, 120) by assigning a network device (111, 121) to each area, wherein the assigned network devices contribute to the radio frequency sensing in the respective sensing area, and b) a sensitivity controlling unit (132) for controlling an assigned network device in one of the sensing areas based on a status of a network device and/or based on a sensing result of a sensing area such that a sensing sensitivity and/or sensing mode in a sensing area is configured. Thus, a control module is provided that allows to improve the sensing performance of a radio frequency sensing network (100) without increasing the processing capabilities of the network devices of the radio frequency sensing network.

Abstract: The invention is directed to a water-detection device (100) for detecting a change in an amount of water (W) with respect to a baseline-condition. The water-detection device is configured to compare signal-quality values to baseline-values. The signal-quality values are indicative of a signal-quality metric that is correlated to the amount of water present in a signal-propagation path (S). The baseline-values are indicative of the signal-quality value obtained from the radio-frequency wireless communication signal at the baseline-condition. The water-detection device is configured to provide a water-detected signal (WD) indicative of a possible change of the amount water in the respective signal-propagation path upon determining that respective signal-quality value has been outside a tolerance-range of the baseline-value for a predetermined amount span, without the need of any dedicated water sensor.

Abstract: The invention relates to performing sensing in a wireless network based on detecting changes in received radio frequency signals and in particular to performing such sensing based on analyzing channel state information. The wireless network comprises at least one node of a first type arranged for performing analysis of channel state information related to wireless signals transmitted in the wireless network, and a plurality of nodes of a second type. One or more wireless signals are transmitted between the plurality of nodes of the second type, and at least one of these nodes determines channel state information, related to the one or more wireless signals, and transmits at least part of the determined channel state information to a node of the at least one node of the first type. This node of the first type receives the at least part of the determined channel state information and analyzes it to determine a sensing value.

Abstract: The invention provides a horticulture system (1) comprising a plurality of repeating horticulture system units (100) and a control system (300), wherein: each horticulture system unit (100) comprises (i) a horticulture unit space (110) and (ii) a radio transmission pair (120) arranged to monitor the horticulture unit space (110), wherein the radio transmission pair (120) comprises a radio transmitter and a radio receiver arranged in radio signal receiving relationship; the control system (300) is configured to execute in a unit sensing stage (230) a measurement in at least one of the horticulture unit spaces (110) with the respective radio transmission pair (120); the control system (300) is further configured in an operational mode to: (i) execute a first signal sensing stage (231), wherein the first signal sensing stage (231) comprises the unit sensing stage (230) with a first radio transmission pair (121) related to first horticulture unit space (111) thereby providing a first signal (241) to the control s

Abstract: A configuration module for configuring a network device of a radiofrequency sensing network is provided. The control module comprises a network information providing unit for providing network information, wherein the network information includes information indicative of a deviation between a current sensitivity of the sensing network and a desired sensitivity of the sensing network.

Abstract: The present invention relates to providing a mobile ephemeral gateway (12). The ephemeral gateway (12) is configured for configuring wireless network devices (40, 42, 44) of a wireless network (200) in its proximity, for acting as a gateway of the wireless network, and for making available for at least one other gateway (30) configuration information of the wireless network obtained during configuring the wireless network devices (40, 42, 44). The mobile ephemeral gateway (12) can be replaced or augmented by the at least one other gateway (30). The wireless network (200) can be controlled based on the configuration information made available by the ephemeral gateway (12). This may allow a more reliable and faster configuration of wireless networks with reduced data traffic during configuration as well as an improved operation of the wireless network as multiple GWs (12, 30) may perform functions in the wireless network sequentially or in parallel.

Abstract: The invention relates to a control device for controlling radio frequency sensing in a network (100), e.g. Zigbee or Wi-Fi network, comprising a detection area (120). The control device (110) comprises a neighboring network information providing unit (111), wherein the neighboring network (150) comprises a neighbor network device (154) neighboring a network device of the network (100), and a network controlling unit (112) for controlling a network device (103) based on the provided neighboring network information such that the network device of the network is enabled to detect a signal usable for radio frequency sensing in a detection area (170) extending outside of the detection area of the network (100) and/or for radio frequency sensing in the detection area of the network (100), wherein the detected signal is transmitted by at least one neighbor network device. This allows to improve the radio frequency detection in peripheral areas of a network.

Abstract: A method (600) of determining disinfection levels of a lighting device (130) is disclosed. The lighting device (130) is configured to emit disinfection light.

Abstract: A detection system (100) is disclosed herein. The system includes a sensor system (120) positioned to obtain image sensor data at different times of a live cannabis plant and a data storage system (130) configured to store the image sensor data. The system further includes a processor (140) coupled to the data storage system to receive the image sensor data. The processor includes a target region selection module (160) configured to determine a region of the live cannabis plant that contains a flower and generate a feature indicative of a characteristic of the flower. The processor further includes a grade estimation module (170) configured to estimate a qualitative assessment for the flower based on the feature and a temporal aggregation module (540) configured to combine the estimated qualitative assessments to output a final aggregated assessment.

Abstract: The invention relates to a node-control unit (100) for setting an operation mode of one or more network nodes (102) of a wireless communication network (150). It comprises a network-service-detection unit (104), for ascertain that a network-service device (106) is currently available for communicating with the wireless communication network, and to provide a respective service-availability signal (SA) indicative thereof, and an operation-mode setting unit (108) configured to receive the service-availability signal (SA) and, to generate and provide based thereon, a first switch-mode signal (SM1) to at least one network node indicative of an instruction to switch the operation mode from a first operation mode where the network node acts as a node of the wireless communication network to a second operation mode wherein the network node is in communication with the respective external network-service device thereby enabling an ad-hoc adjustment of the functionality of the network node.