Abstract: There is provided a method of operating an Open Radio Access Network (O-RAN). The method includes (a) communicating from an O-RAN radio unit (O-RU) to an O-RU controller, data informing that the O-RU supports physical random-access channel (PRACH) combining, (b) communicating from the O-RU controller to the O-RU, a parameter to facilitate the PRACH combining, and (c) configuring the O-RU in accordance with the parameter. There is also provided an O-RU and an O-RU controller that perform the method.

Abstract: The present disclosure relates to an acoustic output device. The acoustic output device may include an earphone core, a controller, a power source, and a flexible circuit board. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and the at least one high-frequency acoustic driver configured to output sounds from at least two second guiding holes. The controller may be configured to direct the at least one low-frequency acoustic driver to output the sounds in a first frequency range and direct the at least one high-frequency acoustic driver to output the sounds in a second frequency range. The power source may be configured to provide power supply for the earphone core. The flexible circuit board may be configured to connect the earphone core with the power source.

Abstract: Information transmission and reception methods and apparatuses thereof. The method includes: a terminal equipment being configured with and/or activated at least two configuration grants (CGs), the at least two configuration grants being respectively configured with corresponding HARQ processes, or timers of hybrid automatic repeat request processes of the at least two configuration grants being respectively started or stopped according to configurations of the at least two configuration grants.

Abstract: The present disclosure provides a method and system for hierarchical processing of gas data based on smart gas Internet of Things (IoT). The method is executed via the smart gas IoT. The method includes obtaining gas data sending and receiving information of at least one node in at least one period. The method also includes predicting a gas data communication load of the at least one node in at least one future period based on the gas data sending and receiving information. The method further includes determining a time-sharing processing scheme for the at least one future period based on the gas data communication load of the at least one node in the at least one future period.

Abstract: A method and device for zero-trust fusion computation of multi-party data is provided, which adopts a chip-level based trusted execution environment (TEE) technique, and by improving a development preparation phase of a fusion computation background and improving a calculation phase, enable fusion computation of multi-party data to be performed in a zero-trust secure running environment, guaranteeing that the data is in a secure state without trusting any party during an entire process of transmission, storage and fusion computation, and allowing for enhanced data privacy protection. The solution brings many advantages in terms of data storage security, data transmission security and data use security as well as universality and performance superiority.

Abstract: Methods and apparatuses for information transmission and reception are provided. The method includes: determining a demodulation reference signal in a time-domain resource by a transmitting device at least according to the number of a part of symbols in the time-domain resource; wherein the number of symbols contained in the time-domain resource is less than or equal to the number of symbols contained in a slot or a subframe; and transmitting data information and the demodulation reference signal by the transmitting device to a receiving device by at least using the time-domain resource.

Abstract: The present disclosure discloses a sound signal processing method and apparatus, and a computer-readable storage medium, and belongs to the field of audio processing technologies. A device first obtains first spatial location information of sound pickup space and second spatial location information of a plurality of microphones deployed non-linearly, and then determines, based on first sound signals respectively received by the plurality of microphones and the second spatial location information, a spatial location of a first sound source that emits the first sound signals. If the first sound source is located in the sound pickup space, the device performs enhancement processing on the sound signals emitted by the first sound source. In the present disclosure, sound sources in different space are distinguished, so that only a sound signal emitted by a sound source located in the sound pickup space is enhanced.

Abstract: Described herein are compounds of Formula I, wherein the variables are defined herein, their use as activators from AMPK, pharmaceutical compositions containing such compounds and their use to treat, for example, heart failure or peripheral vascular disease.

Abstract: Embodiments of the present disclosure provide an earphone, comprising a sound production component including a transducer and a housing. The earphone further includes and an ear-hook, wherein the ear-hook places the sound production component at a position near an ear canal but not blocking the ear canal. The sound production component and the ear-hook have a first projection and a second projection, respectively, on a sagittal plane. A first distance exists between a centroid of the first projection and a highest point of the second projection along a vertical axis direction, and a ratio of the first distance to a height of the second projection along the vertical axis direction is in a range of 0.35 to 0.6. A sound outlet is provided on an inner side surface of the housing, other side surfaces of the housing are provided with one or more pressure relief holes.

Abstract: A radiation-resistant laser optical fiber preform core rod at least includes one type of activated ion (Yb3+, Er3+) and one or more types of co-doped ion (Al3+, P5+, Ge4+, Ce3+, F?), and —OD group of 16-118 ppm. Irradiation resistance of core rod glass can be effectively improved by sequentially performing pre-treatments, i.e. deuterium loading, pre-irradiation and thermal annealing on a preform core rod. Electron paramagnetic resonance test shows that, under the same radiation condition, the radiation induced color center concentration in a preform core rod treated by the method above is lower than in an untreated core rod by one or more orders of magnitude. The obtained core rod can be used for preparing a radiation-resistant rare earth-doped silica fiber, and has the advantages of high laser slope efficiency, low background loss, being able to be used stably in a vacuum environment for a long time, for example.

Abstract: A data transmission method and apparatus, wherein a first SSB set corresponding to a transmission window and a second SSB set taken as a subset of the first SSB set are provided, and at least one SSB in the second SSB set is transmitted in the transmission window, which may be adapted to cell coverage of different situations, and improve flexibility of resource scheduling.

Abstract: A method of face anti-spoofing, comprising, receiving a near infra-red facial image, having a near infrared channel, receiving a red-green-blue facial image, having a red channel, a green channel and a blue channel, generating a synthetic three channel image based on the near infrared channel, the red channel, the green channel and the blue channel and training a deep neural network based on the synthetic three channel image.

Abstract: A touch panel, comprising: a substrate, a plurality of touch electrodes and a plurality of traces disposed on the substrate. At least one trace is connected to at least one touch electrode, and comprises a first conducting wire and a second conducting wire. A trace insulating layer is provided between the first and second conducting wires. The second conducting wire is connected to the first conducting wire by at least one via on the trace insulating layer. First conducting wires of at least two adjacent traces both have at least one break point, so that a first short circuit point between the first conducting wire is isolated from a corresponding second conducting wire; or, second conducting wires of at least two adjacent traces both have at least one break point, so that a second short circuit point between the second conducting wire is isolated from a corresponding first conducting wire.

Abstract: The present disclosure provides a method of smart gas pipeline cleaning management for safety management and an Internet of Things system. The method comprises: obtaining operation feature of at least one gas pipeline and inspection data of the at least one gas pipeline; determining an area to be cleaned and an area feature of the area to be cleaned based on the operation feature of the at least one gas pipeline and the inspection data of the at least one gas pipeline; determining a pipeline cleaning solution based on the area feature of the area to be cleaned; evaluating a pipeline cleaning effect of the pipeline cleaning solution based on an implementation of the pipeline cleaning solution. The Internet of Things system comprises a smart gas user platform, a smart gas service platform, a smart gas sensing network platform, and a smart gas object platform.

Abstract: A digital, self-diagnosis, sensing intelligent layer integrating active and passive monitoring, including: a capacitance testing unit, configured to charge a to-be-tested piezoelectric transducer by generating a step signal, and determine a transition moment, to obtain a free capacitance value of the to-be-tested piezoelectric transducer; a frequency testing unit, to charge the to-be-tested piezoelectric transducer by generating sinusoidal signals of different frequencies, and detect a resonant frequency according to the transition moment; an active and passive monitoring module, to obtain analog response signals in an active mode and a passive mode, and convert the analog response signals into digital response signals for transmission; and a main control module, to transmit a self-diagnosis result and the digital response signals to a guided wave host. The intelligent layer integrates active damage scanning and passive impact monitoring while implementing self-diagnosis for a piezoelectric transducer state.

Abstract: The present disclosure provides a printed circuit board with a plated through hole. The through hole covered by a solder pad at both ends of the through hole. At least two pins are plugged into the through hole, one of which with its head end being thermal contacted with one of the solder pads. Another pin's head end being thermal contacted with the other solder pad. The at least two pins are thermal contacted with one another. Thermal dissipation rate is increased with the structure of the through hole.

Abstract: A signal transmission method and apparatus, a signal reception method and apparatus and a communication system. The signal transmission apparatus is provided in a network device and includes: a transmitting unit configured to transmit indication information indicating that one information block of at least one information block transmitted by the network device within a time interval is transmitted at one candidate resource in at least two candidate resources within the time interval. The transmission resources of the information blocks are indicated by the indication information, hence, even though the default correspondence between the information block indices and the transmission resources is to be changed, the transmission resources to which the information blocks correspond may be determined, and the terminal equipment is facilitated in downlink synchronization.

Abstract: The embodiment of the present disclosure provides a method and an Internet of Things system for managing and controlling a risk in a smart gas pipeline network by combining an ultrasonic flowmeter. The method includes: acquiring distributed ultrasonic data for least at one moment, processing at least one group of distributed ultrasonic data with different detection position distributions at at least one moment in a second preset time period through a low-volume leakage prediction model to determine at least one candidate second leakage risk of at least one preset point of the gas pipeline network; performing a weighted summation on the at least one candidate second leakage risk, and determining a second leakage risk of the at least one preset point; and generating warning information based on the second leakage risk, and sending the warning information to the user platform through the service platform for display to a user.

Abstract: The present disclosure provides an earphone including a sound production component, an ear hook, and a microphone assembly. The microphone assembly includes a first microphone and a second microphone. The sound production component or ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and second microphone, respectively. An extension line of a line connecting a projection of the first sound hole on a sagittal plane of the user and a projection of the second sound hole on the sagittal plane has an intersection point with a projection of an antihelix, a ratio of a first distance between the projection of the first sound hole on the sagittal plane and the projection of the second acoustic hole on the sagittal plane to a second distance between the projection of the second acoustic hole on the sagittal plane and the intersection point is 1.8-4.4.