Abstract: A method includes transmitting one or more segments of a security certificate on a wireless advertising channel of a peripheral device, where at least one of the segments of the security certificate identifies an authentication server, participating in a public key exchange between the peripheral device and a host device by transmitting a signed public key of the peripheral device, where the signed public key is signed in the security certificate, and transmitting one or more encrypted messages from the peripheral device to the host device via a first secure connection established based on the public key.

Abstract: A method can include establishing a wireless encrypted connection; establishing a long term encryption key (LTK) and an anti-tracking (A-T) count value for a peer device; storing the LTK and A-T count value in a nonvolatile memory circuit; receiving a communication that includes an identity value corresponding to the peer device and a peer hashed anti-tracking count (HATC); generating at least one local HATC by executing a predetermined hash function on at least the LTK and a changed A-T count value that varies from the stored A-T count value by a predetermined amount. The received peer HATC can be authenticated with the at least one local HATC. In response to the peer HATC being authenticated, communications can occur with the peer device. In response to the peer HATC not being authenticated, communications may not occur with the peer device. Related devices and systems are also disclosed.

Abstract: Devices, systems and methods use a first communication interface to connect with a local device via a first protocol and use a second communication interface to connect with a server via a second protocol. Embodiments relay secure communications between the local device and the server for authentication of the at least one local device by the server and responsive to authentication of the local device by the server, transmit information for storage in a secure memory of the authenticated local device.

Abstract: Implementations disclosed describe techniques to allow wireless devices to initially connect with randomized MAC addresses and send an encrypted permanent MAC for differentiated services. In one method, a first wireless device connects to an access point (AP) using a randomized MAC address. The first wireless device receives a request for a permanent MAC address from the AP. The first wireless device determines whether to send the permanent MAC address. Responsive to determining to send the permanent MAC address, the first wireless device encrypts the permanent MAC address to obtain an encrypted MAC address and sends a response to the request, including the encrypted MAC address, to the AP.

Abstract: A method can include, by operation of a station wireless device (STA): receiving a plurality of different broadcast transmissions, determining an air time availability of each of a plurality of access point devices (APs) from data included within the broadcasts, for each of the plurality of APs, estimating a data rate for the STA with respect to the AP from traffic data included in at least one broadcast transmission from the AP, selecting one AP from the plurality of APs based on predetermined traffic metrics for the plurality of APs, and associating with the selected AP. Corresponding devices and systems are also disclosed.

Abstract: A flexible substrate is provided, and the flexible substrate includes a second organic layer, a first inorganic layer, a first organic layer, and a second inorganic layer, which are sequentially stacked. A surface, which is in contact with the first organic layer, of the first inorganic layer has a first groove. A surface, which is in contact with the first inorganic layer, of the second organic layer has a second groove. A surface, which is in contact with the second inorganic layer, of the first organic layer has a third groove. In a direction perpendicular to the first inorganic layer, any two of the first groove, the second groove and the third groove at least partially are not aligned with each other. A manufacturing method of the flexible substrate, a panel including the flexible substrate, and an electronic device including the flexible substrate are also provided.

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 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 method includes comparing a first battery life value of a first wireless device with a second battery life value of a second wireless device, and in response to determining, based on the comparing, that the first battery life value is less than the second battery life, adjusting a communication schedule so a duration of awake state operation of the first wireless device is less than a duration of awake state operation of he second wireless device.

Abstract: The disclosure relates to a lifting vehicle frame and an aerial transportation vehicle. The aerial transportation vehicle includes a lifting vehicle frame, which includes an upper vehicle frame (1), a lower vehicle frame (2), a lifting assembly (a) and a locking device (b), wherein the upper vehicle frame (1) and the lower vehicle frame (2) are connected through the lifting assembly (a); at least two lifting assemblies (a) are provided opposite to each other in a first direction; the lower vehicle frame (2) and the upper vehicle frame (1) can move close to or apart from each other by operating the at least two lifting assemblies (a); the locking device (b) is disposed on the lower vehicle frame (2); when the lower vehicle frame (2) and the upper vehicle frame (1) move close to each other, the lower vehicle frame (2) and the upper vehicle frame (1) are locked together by operating the locking device (b).

Abstract: The disclosure relates to an aerial transportation vehicle including a vehicle frame.

Abstract: A tabletop microphone assembly is provided that exhibits improved spatial audio pick-up characteristics, for example for use as an extension microphone for a conference system. In one embodiment, the tabletop microphone assembly comprises at least a housing with a top cover and a bottom cover, wherein the bottom cover is configured for placement on a table surface; a printed circuit board, arranged in the housing; and a microphone, arranged between the printed circuit board and the bottom cover; wherein the microphone is facing the bottom cover.

Abstract: In general, techniques are described by which to perform secure fine time measurement for wireless communication protocols. An initiating station comprising wireless communication circuitry may be configured to perform the techniques. The wireless communication circuitry may be configured to receive, in accordance with a wireless networking protocol for communicating between the initiating station and a responding station, a first fine time measurement specifying a first time. The wireless communication circuitry may also be configured to receive, in accordance with the wireless networking protocol and for the corresponding first time, a first message integrity code. The wireless communication circuitry may next be configured to authenticate, based on the first message integrity code, the responding station to establish that the fine time measurement is from a trusted responding station.

Abstract: A dedicated device for shattering phenolics with mechanochemical synthesis and a shattering method thereof. The dedicated device includes a supporting frame, a primary shattering device, a secondary shattering device, a three-stage shattering device and an automatic regulating device. The primary shattering device includes a shattering box, a first motor, a first transmission rod, a plurality of tool frames, a plurality of blades, at least one screen mesh, a plurality of fixed cutters and a guide hopper. The secondary shattering device includes a first roller, a second roller, a second transmission rod and a set of helical gears. The three-stage shattering device includes a second motor, a set of tapered blade sets and a plurality of strain sensors. This realizes the regeneration of new mixed materials and the chemical properties of materials control of some micro changes such as material morphology.

Abstract: A device may generate network profile data indicating a set of network parameters detected by the device. The device may encrypt the network profile data and may transmit the encrypted network profile data to a network device, such as a router, or a server. The router or server may analyze the encrypted network profile data to determine if the device is secure. The router of server may perform one or more security measures if the device is not secure.

Abstract: Devices, systems and methods use a first communication interface to connect with a local device via a first protocol and use a second communication interface to connect with a server via a second protocol. Embodiments relay secure communications between the local device and the server for authentication of the at least one local device by the server and responsive to authentication of the local device by the server, transmit information for storage in a secure memory of the authenticated local device.

Abstract: A method can include, by operation of a user device, receiving beacon data via a wireless signal. Beacon data can include unencrypted data that includes a key identification (ID) corresponding to a private key/public key pair, a time value, and a location value. Beacon data can also include encrypted data that includes at least a beacon ID, a beacon time value, and a beacon location value. If the unencrypted time value is within a predetermined range of a current time value of the user device, the beacon data can be stored in a user record with a user ID. Periodically, the user record can be uploaded to a tracking system. Corresponding devices and systems are also disclosed.

Abstract: A method can include, in an access point (AP) configured to control data transfers for associated stations (STAs) in time intervals, storing a unique identifier and quality-of-service (QoS) requirement for each STA of a first set in a nonvolatile memory of the AP. In response to a STA associating with the AP, if the associating STA is in the first set, allocating time for the STA in the time intervals to meet the QoS requirement of the STA without receiving transmitted QoS data from the STA, and if the associating STA is not in the first set, establishing a QoS for the STA having a lower priority than any associated STAs of the first set. Corresponding systems and devices are also disclosed.

Abstract: Systems and methods compare a first battery life value associated with a first wireless device with a second battery life value associated with a second wireless device. Based on the comparison, systems and methods adjust a communication schedule by allocating timeslots of the communication schedule to the first wireless device and transmit the adjusted communication schedule to the first wireless device.

Abstract: The present invention discloses a functional polypeptide which is 1) a polypeptide having the amino acid sequence of SEQ ID No. 1; or 2) a polypeptide having a substitution or deletion or addition of one or several amino acids from the sequence shown in SEQ ID No. 1 that has the same or similar function. The invention also discloses the utility of the described functional polypeptide. The functional polypeptide of the present invention can significantly inhibit bleomycin-induced pulmonary fibrosis formation and has a remarkable effect of preventing and treating pulmonary fibrosis.