Abstract: A lighting system, an identification system and an identification device for a lighting system, wherein the lighting system comprises a plurality of components. The identification device comprises a transmitter adapted to receive an identification request, and a signaling apparatus comprising a control unit and one or more signaling devices, wherein the control unit is adapted to control the one or more signaling devices so that, in response to receipt of the identification request, an identification signal is produced that alerts a human to a location or direction of one or more of the components.

Abstract: The present invention relates to a method for configuring a network comprising a maintenance entity and a plurality of nodes, the method comprising at the maintenance entity, the steps of: (a) detecting a potential presence in the network of at least one limited node, said limited node being able to receive data only within time periods; (b) determining that an updated network configuration parameter value is required, said network configuration parameter being common to the at least one limited node and to the plurality nodes of the network; (c) postponing a transmission of a signal for updating the network configuration parameter value at the plurality of nodes, based on the detection of the potential presence of the at least one limited node in the network; (d) transmitting a triggering signal for triggering delivery of the updated network configuration parameter value to the limited device; (e) transmitting the signal for updating the updated network configuration parameter value at the plurality of nodes

Abstract: The invention relates a method and apparatus for distributing power in DC-grid systems, wherein power negotiations are done in a daisy chained system. Multiple mechanisms are presented mitigating the issue of stepwise exploring the power requests along a chain and still keeping the negotiation quick and without many cycles required.

Abstract: A switch device (10) and method for generation of energy for operating the switch device (10), wherein the switch device (10) is provided with a drive unit (120) interacting with an actuation device operable by a user, and with a moving device (130) configured to be set in motion by the drive unit (120), and with an energy harvester (132, 140, 140a) for providing energy to the switch device (10) in dependence on a motion of the moving device (130), such that energy for commands or other operations is provided to the switch device (10). The moving device (130) is configured to be repeatedly repositioned in relation to a defined zero position, as long as it has kinetic energy, in order to provide kinetic energy which can be converted in electric energy by the energy harvester (132, 140, 140a). Such an electromechanical device for generating energy can ensure wireless operation of the switch device (10) without the need of batteries or any other kind of power supply.

Abstract: System for configuring and powering a wireless batteryless device, the system comprising: a wireless batteryless device (A) comprising: a built-in harvester (12) for harvesting energy from a first energy source, for example ambient energy, means for communicating wirelessly, —and an external device (B) comprising: —a second power source (16), —means (17) for converting energy supplied by the second power source into energy suitable for being harvested in the harvester of the batteryless device, means (18) for wirelessly supplying the batteryless device with the converted energy via the built-in harvester, and means for communicating with the batteryless device. The invention also relates to an external device therefore, and a method for configuring and powering a batteryless device.

Abstract: The invention relates to a proxy node comprising means for managing a proxy table, a receiver for receiving a message from a first resource restricted device, said message being intended to at least one corresponding destination device, control means for checking whether an entry for the first resource restricted device is included in the set of entries of the proxy table, the set of entries of the proxy table indicating the set of resource-restricted devices the proxy node is in charge of, a transmitter for forwarding the message depending on the result of the proxy table checking, the means for managing the proxy table being arranged for cleaning the proxy table of the entry relative to the resource-restricted device by monitoring the relative usage of the proxy node for forwarding messages for the resource restricted device with the usage of competitor proxy nodes for forwarding messages for the resource restricted device.

Abstract: The present invention relates to a method for commissioning a resource-restricted device to a network, to link said resource-restricted device to a network sink, the method comprising the steps of receiving at the network sink a commissioning initiation message from the resource-restricted device for initiating a commissioning in accordance with a first commissioning process to link said resource-restricted device to the network sink, if the first commissioning process cannot be supported by the network sink, the network sink triggering a feedback including actuation of an actuator connected to the network for prompting a user to select a fallback commissioning process via a commissioning process selection at the re-source-restricted device.

Abstract: The invention relates to a compiler and a method for compiling control logic for a plurality of devices of a networked control system, particularly to the automated assignment of control logic to devices. The invention provides with a compilation an automatic assignment procedure of an executable runtime code to devices of a networked control system. The assignment process of control logic to the devices may take various optimization criteria into account which include various distribution aspects, e.g. network resources or capabilities, such as available bandwidth or reliability of the network links, and device resources or capabilities, e.g. CPU, memory, power source or sleeping behavior which may influence the observed behavior of the devices, e.g. due to transmission delay or data packet loss.

Abstract: The present invention relates to a method for identifying and/or, authenticating, and/or authorizing a first radio station in a radio network, comprising the steps of (a) at the first radio station, transmitting to a second radio station a first radio station identifier computed from a set of identity parameters based on the identity of the first radio station, comprising at least one identity parameter, (b) at the first radio station, transmitting at least one identity parameter from the set of identity parameters, (c) at the second radio station, comparing an authentication identifier computed on the basis of the transmitted identity parameter to the first radio station identifier for enabling a subsequent communication between the first and second radio stations.

Abstract: This invention relates to a method for transmitting a message to a COM wireless device, the wireless device comprising a set of at least two distinct logical entities, the wireless device being arranged for receiving a message during discontinuous reception opportunities, the method comprising, prior to transmission of the message, the steps of (a) selecting a transmission mode from a set of transmission modes comprising a first transmission mode and a second transmission mode, where, in the first transmission mode, the reception opportunities for the message are limited to the reception opportunities that are associated with a single selected logical entity of the set of at least two logical entities, and in the second transmission mode, the reception opportunities for the message correspond to combined reception opportunities associated with at least two logical entities; and (b) causing the transmission of the message during one of the reception opportunities corresponding to the selected transmission mode

Abstract: The present invention relates to an apparatus and method for interpreting control commands received from a control element, wherein the control element sends control commands indicating start of activation (e.g., press operation) and end of activation (e.g., release operation) separately. Two time thresholds provided by respective timers (T1, T2) are used at the controlled device (20), a lower time threshold for determining the short activation and a higher time threshold for determining the long activation; the difference between the two time thresholds indicates a “dead zone” of no control action.

Abstract: Methods are provided for transmitting and receiving a message to or form a wireless limited node (10) in a wireless network (100) wherein the wireless limited node (10) is related to a coupled device (30) in the wireless network (100) and is able to receive data only within limited reception opportunities following transmission by the wireless limited node (10). The method of transmitting comprises noticing a need for transmitting the message to the wireless limited node (10), preparing the message to be transmitted, the coupled device (30) changing a physical parameter for triggering external activation of the wireless limited node (10), and after receiving a signal transmitted by the wireless limited node (10) upon said external activation, sending the message to be transmitted to the wireless limited node (10) within the limited reception opportunities. The method of receiving does not comprise the steps of preparing the message and transmitting it to the wireless limited node (10).

Abstract: The present invention relates to a system and method for managing proxy device assignment in a wireless communication network where proxy devices operate as relay devices forwarding signals from a resource restricted device to a destination device. The method comprises dividing an identifier space of the resource restricted device into at least two parts, and assigning at least one of the at least two parts of the identifier space to at least one proxy device of the wireless communication network wherein the proxy device assigned to a first part of the identifier space is responsible for the resource restricted device transmitting a signal comprising an identifier falling within the first part of the identifier space.

Abstract: The present invention relates to several techniques for managing the contents of proxy tables in ways that optimize performance, latency, and reliability for communication networks, while ensuring a certain number of early-acting proxies per restricted device. An entity is allowed to keep a required number of proxies per resource-restricted device by removing or adding proxy table entries. Furthermore, the entity is allowed to keep track of early-acting proxies based on forwarding strategies, reporting strategies and/or polling strategies. Thereby, proxy table entries can be controlled to optimize overall system performance and reliability characteristics.

Abstract: An electro-mechanical energy harvesting switch configured to provide at least two different control signals comprises: a generator activating member (9) configured to move between a rest position and a maximum loaded position; at least one spring (11, 13) configured to force the generator activating member towards the rest position; and a unidirectionally rotating protrusion member (17) comprising at least one protrusion (21) configured to move through a protrusion's path during rotation of the protrusion member (17), through a first position of the protrusion (21), in which first position the protrusion (21) is engaged with the generator activating member (9) in the rest position, and through a second position, the protrusion (21) thereby carrying the generator activating member (9) from the rest position to the maximum loaded position against the force of the at least one spring (11, 13).

Abstract: The present invention relates to a method for identifying and/or, authenticating, and/or authorizing a first radio station in a radio network, comprising the steps of (a) at the first radio station, transmitting to a second radio station a first radio station identifier computed from a set of identity parameters based on the identity of the first radio station, comprising at least one identity parameter, (b) at the first radio station, transmitting at least one identity parameter from the set of identity parameters, (c) at the second radio station, comparing an authentication identifier computed on the basis of the transmitted identity parameter to the first radio station identifier for enabling a subsequent communication between the first and second radio stations.

Abstract: The present invention relates to a method for controlling transmissions of a batteryless device (1) operating in a wireless network, the method comprising the following steps: the batteryless device (1) transmitting a frame including elements for controlling operation of a remote device (2a), or controlled device, the batteryless device being configured with a predetermined number of planned retransmissions of the control frame, the batteryless device sensing a change in the physical phenomenon induced by operation of the controlled device (2a), the batteryless device determining, based on the sensing step, the success or failure of the frame transmission, in case the transmission has succeeded, the batteryless device omitting further retransmissions of the control frame. The present invention also relates to a batteryless device carrying out such method.

Abstract: The invention relates to a method for operating a node in a network comprising a resource restricted device, the method comprising the steps of (a) placing an ACK message in a buffer of the node, if said buffer does not contain a buffered message to be transmitted to the resource restricted device; (b) after step (a), detecting a received message transmitted by the resource restricted device; (c) transmitting the ACK message or the buffered message to the resource restricted device after detection of the received message; the method further comprising repeating steps (a) to (c) after the ACK message or the buffered message has been transmitted, so that the buffer always contains a message ready to be sent.

Abstract: The invention relates to a DC power distribution system (1), especially to an EMerge DC power distribution system, for distributing DC power. A power supply (5) supplies DC power to a track (2) to which an electrical load (9, 10) is attached. A communication device (11) is attached to the track (2), which a) wirelessly receives communication signals and transmits the received communication signals via a power line communication provided by the track to the power supply (5) and/or the electrical load (9,), and/or b) receives communication signals via the power line communication from the power supply (5) and/or the electrical load (9, 10) and wirelessly transmits the received communication signals. Thus, a communication setting is provided, which allows for a very simple integration of a control functionality for controlling, for instance, the power supply 10 and/or the electrical load by transmitting control signals via the communication device.

Abstract: Inter-profile commissioning method and apparatus for a network The invention relates to a commissioning apparatus (130, 140) and method for configuring a joining node (150) of a first profile for operation in a network in accordance with a second profile, wherein the commissioning apparatus (130, 140) is arranged to emulate a commissioning process corresponding to the first profile.