Abstract: This application relates to an active current compensation device which actively compensates for a noise occurring in a common mode in each of two or more high-current paths. In one aspect, the active current compensation device includes a sensing unit configured to generate an output signal corresponding to a common-mode noise current on each of the two or more high-current paths, and an amplification unit configured to amplify the output signal to generate an amplified current. The device may also include a compensation unit configured to generate a compensation current on the basis of the amplified current and allow the compensation current to flow to each of the two or more high-current paths, and a malfunction detection unit configured to detect a malfunction of the amplification unit. The malfunction detection unit and at least a portion of the amplification unit may be embedded in one integrated circuit (IC) chip.

Abstract: Provided is a current compensation system for solar generators for compensating for noise using an active electromagnetic interference (EMI) filter. An inverting system for solar generators includes a solar inverter converting DC voltage to AC voltage, an EMI filter unit including an active EMI filter to reduce noise corresponding to the AC voltage, a power grid, and at least two or more through lines passing a second current from the power grid to the solar inverter and passing through the EMI filter unit, wherein the active EMI filter includes a noise sensing unit sensing a first current on the at least two or more through lines and generating an output signal corresponding to the first current, an active circuit unit amplifying the output signal to generate an amplified signal, a compensation unit generating a compensation current based on the amplified signal, and a transmission unit providing a path through which the compensation current flows to each of the at least two large current paths.

Abstract: A method and a device for sensing-related polling in a wireless LAN system. A method by which a first station (STA) responds to sensing-related polling in a wireless LAN system, according to one embodiment of the present disclosure, comprises the steps of: receiving, from a second STA, a polling frame including information related to first type sounding and/or second type sounding; and transmitting, to the second STA, a response frame for the polling frame, wherein the response frame can be triggered by means of the polling frame with respect to one or more STAs including the first STA.

Abstract: A method and a device for performing sensing measurement in a wireless LAN system are disclosed. In an embodiment of the present disclosure, a method for performing sensing measurement by an STA in a wireless LAN system may comprise the steps of: receiving, from a second STA, a sensing measurement element including first information indicating at least one of a TB measurement instance and a non-TB measurement instance; and performing the sensing measurement in at least one of the TB measurement instance and the non-TB measurement instance, wherein the sensing measurement element includes at least one of a parameter set for the TB measurement instance and a parameter set for the non-TB measurement instance on the basis of the first information.

Abstract: A method and a device for performing a sensing procedure in a WLAN system are disclosed. A method of performing a sensing procedure by a first STA in a wireless LAN system comprises the steps of: receiving, from an AP, a first polling frame including first information related to participation in a first type of measurement for the first STA; transmitting, to the AP, a first response frame for the first polling frame; and receiving, from the AP, a second polling frame including the first information, on the basis of a second response frame not being transmitted to the AP from a second STA from among a plurality of STAs including the first STA, wherein the first polling frame may include second information related to participation in a second type of measurement for the second STA, and the second polling frame may not include the second information.

Abstract: Disclosed are a method and apparatus related to a service period (SP)-based sensing procedure in a wireless LAN system. A method by which a first station (STA) performs a sensing procedure in a wireless LAN system, according to one embodiment of the present disclosure, may comprise the steps of: receiving, from a second STA, a target wake time (TWT) element including information indicating one or more SPs related to sensing; and performing a sensing operation on the basis of the one or more SPs.

Abstract: Disclosed are a method and device for communicating in a wireless LAN system. A method for a first station (STA) to communicate in a wireless LAN system comprises the steps of: transmitting, to a plurality of STAs, a first frame for forming a group that is to perform a sensing operation; transmitting a second frame, including information related to a sensing session, to at least one STA that has transmitted a first response frame to the first frame among the plurality of STAs; performing a first sensing operation with the at least one STA in a first sensing burst in the sensing session; and performing a second sensing operation with the at least one STA in a second sensing burst, following the first sensing burst, in the sensing session.

Abstract: Disclosed are a method and device for performing a sensing procedure in a wireless LAN system. A method for a first station (STA) to perform a sensing procedure in a wireless LAN system comprises the steps of: receiving, from a second STA, first information related to the number of LTF symbols repeated for each spatial stream; and receiving at least one NDP based on the first information from the second STA, wherein the total number of the LTF symbols included in each of the at least one NDP may be based on the number of the spatial streams and the first information.

Abstract: A method and a device for performing a sensing procedure in a wireless LAN system are disclosed. A method for performing a sensing procedure by a first station (STA) in a wireless LAN system may comprise the steps of: transmitting a sensing polling frame for identifying whether to participate in sensing measurement to first at least one STA participating in the sensing procedure; receiving a response frame with respect to the sensing polling frame from second at least one STA among the first at least one STA; and transmitting an NDP announcement frame to the second at least one STA on the basis of the response frame.

Abstract: Resonators comprising a single-crystalline semiconductor, and related systems and methods, are generally described.

Abstract: Disclosed are a method and device for performing a sensing procedure in a wireless LAN system. The method for performing a sensing procedure in a wireless LAN system by means of a first station (STA) comprises the steps of: receiving, from a second STA, a first NDP announcement frame including a sounding dialog token field; and transmitting, to the second STA, at least one feedback fragment constituting a first feedback frame, wherein the sounding dialog token field includes a first sounding dialog token number and information that indicates that a modification form of the first NDP announcement frame is a sensing NDP announcement frame, and the at least one feedback fragment can be transmitted on the basis of a first trigger frame including the first sounding dialog token number.

Abstract: Disclosed are a method and device for carrying out or supporting random access in a multi-link operation in a wireless LAN system. A method for a first device carrying out multi-link-based random access in a wireless LAN system, according to one embodiment of the present disclosure, comprises the steps of: receiving random access-related information on a first link among a plurality of links; and carrying out random access on a second link, among the plurality of links, on the basis of the random access-related information, wherein the random access-related information may include one or more among information indicating one or more target link, information on a load at the one or more target link, access allowability information of the one or more target link, or an access parameter for the one or more target link.

Abstract: Disclosed are a method and apparatus for collaborative sensing in a wireless LAN system. A method in which a first station (STA) executes a sensing procedure in a wireless LAN system, according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a second STA, measurement setup information including identification information of one measurement setup related to a plurality of measurement instances for a STA group including a first STA; in a first measurement instance among the plurality of measurement instances, transmitting or receiving a first sensing signal to or from one or more other STAs in the STA group; and, in a second measurement instance among the plurality of measurement instances, receiving or transmitting a second sensing signal from or to one or more other STAs in the STA group.

Abstract: Disclosed are a measurement report method and device with respect to sensing in a wireless local area network (LAN) system. A method for transmitting feedback information by a first station (STA) in a wireless LAN system according to an embodiment of the present disclosure may comprise the steps of: receiving one or more sensing signals on one or more partial frequency units within a frequency bandwidth from a second STA; and transmitting feedback information based on the one or more sensing signals to the second STA, wherein the feedback information includes channel state information (CSI) with respect to the one or more partial frequency units.

Abstract: An aspect of the present invention relates to a method in which an autonomous vehicle generates a virtual lane on the basis of location parameters of road facilities, and travels along the generated virtual lane. According to an embodiment of the present invention, a method of operating an autonomous vehicle configured to autonomously travel along a virtual lane includes: transmitting a request signal through a wireless network; receiving location parameters of nearby road facilities from the road facilities in response to the request signal; generating a virtual lane on the basis of the received location parameters; and autonomously traveling along the generated virtual lane.

Abstract: The present invention is directed to a method and an apparatus for use in a wireless communication system. Specifically, the present invention is directed to a method comprising: receiving a plurality of first battery status information from a plurality of Relay UEs, wherein each first battery status information includes an estimated time length of residual battery life of a respective Relay UE; if a congestion is recognized, transmitting a first request signal for requesting additional information about battery status to the plurality of Relay UEs; as a response to the first request signal, receiving a plurality of second battery status information from the plurality of Relay UEs, wherein each second battery status information includes a charging status of a respective Relay UE; and selecting one of the plurality of Relay UEs based on the first and second battery status information, and an apparatus therefore.

Abstract: Described embodiments provide a Micro-Electro-Mechanical System (MEMS) vibration energy harvester. The energy harvester includes a buckled multi-layer beam that includes a plurality of stacked layers. The plurality of stacked layers includes at least one piezoelectric layer. Each one of the plurality of stacked layers has a determined stress level and a determined thickness. The determined stress level includes at least a compressive stress. The plurality of stacked layers achieves a desired total stress level of the beam to achieve substantial deformation of the beam in at least one direction when a proof mass is added to the beam. In response to applied external vibrations having a vibration frequency and an acceleration amplitude, the beam deflects and deforms to provide strain to the at least one piezoelectric layer, thereby generating an electrical charge to provide a continuous power output in response to the external vibrations.

Abstract: The present invention is directed to a method and an apparatus for use in a cellular communication system. Specifically, the present invention is directed to a method comprising: transmitting, to one of WLAN Terminations (WTs), a first indication to wake up WLAN module of the UE; if no response for the first indication is received from the one of WTs during a first time duration, transmitting, to all of the WTs, a second indication to wake up the WLAN module of the UE; and if no response for the second indication is received from any of the WTs during a second time duration, transmitting, to a mobility management entity (MME), a third indication related with absence of the UE, and an apparatus therefore.

Abstract: The present disclosure is related to energy-harvesting articles of footwear, and associated components and methods. In some embodiments, an energy-harvesting article of footwear comprises a compressible bladder, a pneumatic motor fluidically connected to the compressible bladder, and an electric generator operatively coupled to the pneumatic motor. In some embodiments, energy is harvested by compressing a compressible bladder and flowing fluid from the compressible bladder through a pneumatic motor to generate power. Certain embodiments relate to pneumatic motor designs, and/or to methods of flowing fluid input through pneumatic motors.

Abstract: The present invention is directed to a method and an apparatus for use in a wireless communication system. Specifically, the present invention is directed to a method comprising: transmitting, to a plurality of Relay UEs, a first signal including an amount of data to send; receiving, from the plurality of Relay UEs, a plurality of second signals, each second signal including (a score of a respective Relay UE, a number N of Remote UEs attempting to access to the respective Relay UE) pair; and selecting one of the plurality of Relay UEs based on the received (score, N) pairs, wherein the score of respective Rely UE is determined based on at least (i) the amount of data to send, and (ii) a power availability in the respective Rely UE, and an apparatus therefore.