Abstract: A method can include, by operation of a first wireless device, in response to detecting a user input at the first wireless device, transmitting a first wireless message. In response to receiving a second wireless message, a determination can be made that an intermediate device is within a predetermined proximity. A sharing message can be received that includes a secret value. In response to receiving an exchange message, a determination can be made that a second wireless device stores the secret value. An operation can be executed to add the first or second wireless device to a wireless network that includes transmission of provisioning messages having the address corresponding to the second wireless device. Corresponding devices and systems are disclosed.

Abstract: A method can include, by operation of wireless circuits of an ambient powered (AMP) device, receiving at least a provision request frame having at least a source address (AA), a first nonce (ANonce), and a key identification (ID) value (PMK_ID). In addition, by operation of processor circuits and using ambient power, generating a second nonce (SNonce), computing a pairwise transient key (PTK) using at least ANonce, SNonce, AA, an address for the AMP device (SA), and a pre-shared key (PSK), deriving at least an encryption key (KEK) from the PTK, and computing a pairwise master key (PMK) using PMK_ID and a secret value (P). By operation of wireless circuits and using ambient power, a provision response frame can be transmitted that includes at least SNonce and the encrypted PMK. Corresponding devices and systems are also disclosed.

Abstract: A control circuit with a slow-start switch includes a power supply, a post-stage load and an MCU for outputting a control voltage for activating the control circuit. The power supply is a constant-voltage power supply and is controllably coupled to the post-stage load through a delay switch and a current limiting module. The delay switch is a normally-open switch. The current limiting module is configured to be enabled when the control voltage is outputted by the MCU under power-on of the power supply and to be automatically disabled when the delay switch is turned on. A limiting current I3 of the current limiting module to the post-stage load is less than or equal to a minimum value of an anti-surge current I1 of the power supply and an anti-surge current I2 of the delay switch.

Abstract: A method can include transmitting a request with a request integrity code (IC), receiving a first message at a time t2, executing a validation operation on the first measurement message that includes an operation on at least a portion of the first measurement message with a key. In response to the first measurement message being determined invalid, indicating time t2 as invalid. A second measurement message can be transmitted at a time t3. A third measurement message can be received that includes two remote time values t1 and t4. In response to times t1 to t4 being determined to be valid, a first distance value can be calculated with the times t1 to t4. First and second messages can include ICs generated by executing the operation on the corresponding messages with the key. Corresponding devices and systems are also disclosed.

Abstract: A method can include, by operation of a first wireless device, storing a first passphrase comprising a common password and a specific password, transforming the common password into a first finite field (FF) element and the specific password into a second FF element. A first key can be generated using a received third scalar value and third FF element. A commit message can be transmitted with a portion encrypted with the first key. In response to receiving a fourth scalar value and a fourth FF element, generating a second key using at least the fourth scalar value and the fourth FF element, and transmitting a second wireless message with a portion encrypted with the second key. In response to validating a received confirmation message using the second key, establishing encryption keys for a wireless connection using at least the second key. Corresponding devices and systems are also disclosed.

Abstract: A light fixture having a multi-target temperature detection circuit includes a light source assembly for generating a light path, a light outgoing lens, a plurality of temperature-controlled elements inside the light head of the light fixture, and at least one heat dissipation assembly for dissipating heat from the temperature-controlled elements. A single-chip microcomputer and a plurality of temperature sensors located at various positions inside the light head are included. The single-chip microcomputer is connected to, via an integrated communication serial port, the plurality of temperature sensors connected in parallel and send corresponding address signals and temperature detection signals to the single-chip microcomputer via the integrated communication serial port, and the single-chip microcomputer receives and processes the plurality of temperature detection signals.

Abstract: Authenticated encryption algorithms may function in both a data encryption and authentication operational mode as well as an authentication only operational mode. A first circuit may generate encrypted data and generate a first authentication tag. The first circuit may output for transmission as part of an MPDU, the first authentication tag and either the encrypted data or plaintext data based a control flag. A receiver device may receive the MPDU and a second encryption circuit of the receiver device may receive the first authentication tag and, based on a control flag, receive either the plaintext data or the encrypted data and from the MPDU and generate a second authentication tag by encrypting the plaintext data or decrypting the encrypted data depending on which is received. The second circuit may verify that management frames of the MPDU are valid/have not been tampered with if the first and second authentication tags match.

Abstract: A method can include, by operation of a supplicant device, transmitting at least server identification data to an authenticator device over a wireless supplicant—authenticator connection. A tunnel connection can be established with an authentication server that includes messages relayed between the authentication server and the supplicant device by the authenticator device. An authentication operation can be executed with the authentication server over the tunnel connection using a PDC that remains encrypted with respect to the authenticator device. At least one encryption base value can be received from the authentication server via the tunnel connection. Authentication operation can be executed with the authenticator device using the at least one encryption base value over the supplicant—authenticator connection. A PDC can be essentially unique to the supplicant device. Corresponding devices and systems are also disclosed.

Abstract: A method includes broadcasting, by a powered wireless device, an identification (ID) request frame to a plurality of ambient power (AMP) devices that harvest environmental energy, wherein the ID request frame includes a first plurality of cleartext fields and a first hash value generated from a combination of a content of the first plurality of cleartext fields and an identifier of an AMP device of the plurality of AMP devices. The method includes using, by the powered wireless device within the ID request frame, a first random address as a source media access control (MAC) address and one of a broadcast address or a group address as a destination MAC address. The ID request frame is useable to establish an encrypted wireless session with the AMP device.

Abstract: A method includes determining, by an ambient power (AMP) device that harvests environmental energy, a secret that is shared with a powered wireless device. The method includes determining, by the AMP device, using the secret, one or more first authentication and key management (AKM) parameters. The method includes transmitting, by the AMP device, to the powered wireless device, an ID response frame comprising an identifier (ID) of the AMP device, a session ID, and the one or more first AKM parameters. The method includes receiving, by the AMP device, from the powered wireless device, a data request frame comprising one or more second AKM parameters and an encrypted command. The method includes decrypting the encrypted command, by the AMP device, using the one or more first AKM parameters and the one or more second AKM parameters.

Abstract: A method of improving autoscaling for bursty traffic. A performance metric is received and used by an autoscaling controller to scale a number of deployed processes. The performance metric is compared to a pre-existing target. When the performance metric exceeds the pre-existing target, the number of deployed processes is determined to be increased based on a curved metric. The curved metric is generated by applying a curve function to the performance metric, which prescales the number of deployed processes. The autoscaling controller then increases the number of deployed processes based on the curved metric.

Abstract: A control circuit with a slow-start switch includes a power supply, a post-stage load and an MCU for outputting a control voltage for activating the control circuit. The power supply is a constant-voltage power supply and is controllably coupled to the post-stage load through a delay switch and a current limiting module. The delay switch is a normally-open switch. The current limiting module is configured to be enabled when the control voltage is outputted by the MCU under power-on of the power supply and to be automatically disabled when the delay switch is turned on. A limiting current I3 of the current limiting module to the post-stage load is less than or equal to a minimum value of an anti-surge current I1 of the power supply and an anti-surge current I2 of the delay switch.

Abstract: The present application discloses an insulating frame, a stator assembly, and a motor. The insulating frame is provided with a plurality of first wire clamp grooves and a plurality of second wire clamp grooves, installation positions are provided between the plurality of first wire clamp grooves and the plurality of second wire clamp grooves, and the installation position is configured to install a welding wire terminal. The technical solution of the present application employs that the insulating frame is provided with the first wire clamp groove and the second wire clamp groove, the welding wire terminal is provided between the first wire clamp groove and the second wire clamp groove, and the wire harnesses is clamped within the first wire clamp groove and the second wire clamp groove respectively.

Abstract: Embodiments can include, by operation of an ambient wireless device, wirelessly receiving a wakeup data frame having a broadcast-type address, a first random number (R1) and a received hash value. Using ambient energy, a hashing operation can be executed using at least a previously stored first device ID and R1 to generate a local hash value to validate the wakeup frame. In response to a validated wakeup frame, an address (Aa), second random value (R2), and an encryption key can be generated, the latter using at least a previously stored secret value (P). Using ambient energy, UL data can be encrypted using the encryption key. A response data frame can be transmitted that includes Aa as a source address, R1, R2, and the encrypted UL data. The ambient energy can be derived from radio frequency signals present in an operating environment. Corresponding devices and systems are also disclosed.

Abstract: A method can include at a first station in a wireless network, receiving path loss (PL) transmissions from at least a second station, dynamically changing power for transmissions from the first station to the second station based on the received PL information, determining PL values for transmissions received at the first station from other stations, and sending PL transmissions from the first station that include the determined PL values for at least one other station. The PL transmissions are configured to be received by stations of the same wireless network and stations of a different wireless network. Corresponding devices and systems are also disclosed.

Abstract: A full range boosting device includes two sheave intermittent mechanisms installed alternately in an up-down direction and a central gear. The two sheave intermittent mechanisms each include a dial gear, a driving dial fixed coaxially with the dial gear with no contact in axial direction, a dial round pin, a driven sheave having a radial slot, and a boosting plate fixedly connected to the driven sheave. Two dial gears are driven by the same central gear. When the driving dial of one of the sheave intermittent mechanisms rotates an angle of ?1, its boosting plate rotates an angle to be boosted by a cooperation of the dial round pin and the radial slot. When the driving dial of the other sheave intermittent mechanism rotates an angle of (360°??1), its dial round pin is exactly located at a notch of the radial slot.

Abstract: A method can include, by operation of a wireless device, determining at least one set of wireless channel candidates from available wireless channels of at least one wireless standard; determining a network information value accessible to devices of a wireless network; generating a selection value with an arithmetic-logic operation on the network information value; selecting a plurality of wireless channels from the at least one set of wireless channel candidates with the selection value to determine a discovery wireless channel set; and transmitting or receiving on all channels of the discovery wireless channel set in a wireless network discovery operation for the wireless network. Corresponding devices and systems are also disclosed.

Abstract: A method includes determining, by an ambient power (AMP) device that harvests environmental energy, one or more first authentication and key management (AKM) parameters. The method includes broadcasting, to powered wireless devices, an initialization request frame including one or more frame-exchange parameters, the one or more first AKM parameters, and encrypted content with which a powered wireless device of the powered wireless devices is to establish an encrypted wireless communication session with the AMP device. The content that was encrypted can include an identifier of the AMP device that is also known to the powered wireless device. The method includes using, by the AMP device within the initialization request frame, a first random address as a source media access control (MAC) address and one of a broadcast address or a group address as a destination MAC address.