Abstract: Provided are an aromatic compound having immunoregulatory effect, a preparation method thereof, and a use of the same in regulating immune responses or inhibiting PD-1/PD-L1.

Abstract: Disclosed herein are methods, systems, and media for verifying authenticity of cross-border transactions. One of the methods herein comprises: obtaining transaction information of a transaction submitted by a transaction platform in a blockchain network; obtaining, from the blockchain network, remittance information provided by a payment institution for the transaction, wherein the payment institution is in the blockchain network; generating, based on the transaction information and the remittance information, a first result of authenticity of the transaction; and generating authenticity confirmation of the transaction based on the first result.

Abstract: The present disclosure provides a transmission apparatus that comprises a first payload generator configured to generate payload of a packet of a first signal type; a second payload generator configured to generate payload of a packet of a second signal type; a packet scheduler that controls the transmission timings of the first and the second packet; and a transmitter which, in operation, transmits, under the timing control of the packet scheduler, the packet of the first signal type followed by the packet of the second signal type.

Abstract: A customs clearance confirmation information generation computer-implemented method, medium, and system are disclosed. In one computer-implemented method, transaction order information, payment order information, and logistics order information for a first transaction are received from a blockchain network. The blockchain network includes a merchant, a payment institution, a logistics enterprise, and a supervision institution. A determination is made as to whether the transaction order information, the payment order information, and the logistics order information are consistent. Customs clearance confirmation information is generated in response to determining that the transaction order information, the payment order information, and the logistics order information are consistent. The customs clearance confirmation information includes an indication that the supervision institution permits passage of a product corresponding to the first transaction.

Abstract: Disclosed are a method and an apparatus for game interference processing and a mobile terminal. The method includes: determining whether a SIM card in the mobile terminal is registered in an IMS network when the mobile terminal is in a game mode; sending, by a protocol stack of the mobile terminal, a response message of no expectation to fallback to a network side after receiving a CS paging from the network side, when the SIM card is not registered in the IMS network; and sending, by the protocol stack, to the network side a notification message indicating that the current SIM card does not expect to continue to respond to a CS service when receiving paging of the CS service in the current network from the network side, and controlling the mobile terminal to stay in the game mode all the time.

Abstract: A method and system of automatically identifying topics of a conversation are provided. An electronic data package comprising a sequence of utterances between conversation entities is received by a computing device. Each utterance is classified to a corresponding social action. One or more utterances in the sequence are grouped into a segment based on a deep learning model. A similarity of topics between adjacent segments is determined. Upon determining that the similarity is above a predetermined threshold, the adjacent segments are grouped together. A transcript of the conversation including the grouping of the adjacent segments is stored in a memory.

Abstract: Systems, methods, and non-transitory computer-readable media can receive a set of video frames associated with a video. For each video frame of the set of video frames, a plurality of interest points are identified based on an interest point detector. For each video frame of the set of video frames, it is determined whether the video frame depicts the same static image as a next video frame in the set of video frames based on the plurality of interest points identified in each video frame.

Abstract: The present disclosure provides an optical fiber and a method of fabricating an optical fiber. The method includes providing an optical fiber, the optical fiber defining a length having a proximal end and a distal end. The optical fiber includes a first core profile zone defining a first core diameter, and a second core profile zone defining a second core diameter different from the first core diameter. The optical fiber includes a first transition zone connecting the first core profile zone to the second core profile zone. The first core profile zone, the second core profile zone, and the first transition zone are formed as a single, continuous fiber.

Abstract: The present disclosure provides apparatuses and methods for establishing an initial access. The apparatuses include a terminal which comprises a receiver which, in operation, is configured to receive candidate synchronization signal/physical broadcast channel blocks (SSBs) in a synchronization signal (SS) burst set, the candidate SSBs being transmitted within one or more SSB channel occupancy time (SSB COT) from a base station. The terminal further comprises a transmitter which, in operation, is configured to transmit a physical random access channel (PRACH) preamble on a PRACH occasion (RO) to the base station, the RO being associated with one SSB among the received candidate SSBs.

Abstract: This document discusses, among other things, a signal receiving circuit, configured to receive an input voltage signal. The signal receiving circuit can comprise an input voltage regulating circuit and a comparing circuit. The input voltage regulating circuit can carry out a waveform pre-regulation for the input voltage signal to obtain a first voltage signal, and the comparing circuit can compare the first voltage signal with a second voltage signal, and output a comparison voltage signal having a pulse width that satisfies a first predetermined condition indicative that the input voltage signal is correctly identifiable. The present document further discusses a signal detecting circuit and a signal receiving method.

Abstract: A transmission apparatus of the present disclosure comprises a transmission signal generator which, in operation, generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field for a first subband channel and, when the transmission signal occupies more than one subband channel, the second signal field further comprising a second channel field for a second subband channel different from the first subband channel, each of the first channel field and the second channel field comprising a user-specific field that includes a plurality of user fields, each user field carrying per-user allocation information for corresponding one of one or more terminal stations, and wherein the plurality of user fields are split equitably between the first channel field and the second channel field when a full bandwidth that covers the first subb

Abstract: A communication apparatus of the present disclosure includes a receiver which, in operation, receives a signal that includes a non-legacy preamble and a data field, the non-legacy preamble comprising a first field for indicating a number of spatial streams (Nss) in the data field and a second field for indicating one of a plurality of modulation and coding schemes (MCSs), wherein two or more frequency diversity transmission schemes are supported and one of the two or more frequency diversity transmission schemes is applied based on a value of the Nss; and circuitry which, in operation, decodes the signal.

Abstract: The present disclosure relates to the prioritization of devices taking part in a multi-user random access wireless communication. Based on some known conditions, devices that comply with the conditions are given preferential treatment during the random access period. The preferential treatment may refer to the eligible devices being allowed to access more resource units during the random access, or it may also mean faster access to the medium during the random access. By taking advantage of the methods described in the present disclosure, it is possible to assign higher priority to selected frame types and/or device categories in a multi-user random access wireless communication system.

Abstract: Embodiments of this application provide a signal transmission method and a device. The method includes: performing, by a network device, idle carrier sense in a downlink beam direction when a predefined sending time of each synchronization frame in a synchronization frame set arrives, where the synchronization frame set includes N synchronization frames, and each synchronization frame includes at least one synchronization signal block; and sending a synchronization signal block to a terminal in the downlink beam direction in a synchronization frame in which idle carrier sense succeeds, where the synchronization signal block includes a synchronization signal. The network device performs idle carrier sense in the downlink beam direction when the predefined sending time of each synchronization frame arrives, and sends the synchronization signal block including the synchronization signal in the downlink beam direction in the synchronization frame in which idle carrier sense succeeds.

Abstract: An communication apparatus of the present disclosure comprises a receiver that receives a Trigger frame for allocating resource units (RUs) for random access and another frame including Random Access parameter element that comprises a first field indicating an OFDMA contention window (OCW) minimum value (OCWmin) and a second field indicating an OCW maximum value (OCWmax); and control circuitry that controls Uplink OFDMA-based Random Access (UORA) procedure using the OCWmin and the OCWmax.

Abstract: A blood vessel anastomosis set for anastomosing a blood vessel cut of a blood vessel is provided. The blood vessel anastomosis set includes: a blood vessel anastomosis device having a plurality of anastomosis needles and a plurality of anastomosis needle holes; and a blood vessel fixation device including: a blood vessel widening portion for widening the blood vessel cut; and a blood vessel fixation portion for fixing the blood vessel cut to the blood vessel anastomosis device, wherein the blood vessel anastomosis set has a protection mechanism whereby the blood vessel fixation device is not in contact with the plurality of anastomosis needles when the blood vessel cut is fixed to the blood vessel anastomosis device.

Abstract: A communication apparatus of the present disclosure comprises a first receiver which, in operation, receives a downlink data frame from a base station; a decoder which, in operation, decodes data included in the received downlink data frame; a signal generator which, when the decoded data indicates that there is no buffered traffic for the communication apparatus, generates an uplink frame that includes acknowledgement information and a wake-up radio (WUR) mode request indicating a request to transit to the WUR mode from a primary connectivity radio (PCR) mode; and a transmitter which, in operation, transmits the uplink frame to the base station.

Abstract: According to an aspect of the present invention, a communication apparatus is provided. The communication apparatus may include: a Wake Up Receiver (WURx) which, in operation, receives Wake-Up Radio (WUR) Physical Layer Protocol Data Units (PPDU) from an Access Point (AP); determination circuitry which, in operation, determines an unexpected event related to the reception of the WUR PPDU; and a Primary Connectivity Radio (PCR) transmitter which, in operation, transmits to an access point (AP) information based on the determined unexpected event.

Abstract: A synchronization processing method, including sending, in a first time unit, by a network device, a first synchronization signal having one or more first beams to a terminal device, and sending, in a second time unit, a second synchronization signal having one or more second beams to the terminal device. The first synchronization signal and the second synchronization signal cause the terminal device to determine, according to the first synchronization signal and the second synchronization signal, an optimal transmit beam of the network device for the terminal device from the one or more first beam and the one or more second beams, and further to determine a time sequence in which the optimal transmit beam is located. A time offset corresponding to each first beam and second beams is different, and is a difference between a time sequence of the beams and a time sequence of the second beams.

Abstract: A nonwoven web that contains a plurality of fibers formed from a polyolefin composition is provided. The polyolefin composition contains a rigid propylene polymer that has a relatively high melting temperature and modulus of elasticity, which can provide good strength and durability to the nonwoven web. The polyolefin composition also contains a ductile propylene polymer that has a relatively high melt flow index, which can help achieve relatively fine fibers that minimize the stiffness of the web. In addition to a rigid and ductile polymer, the polyolefin composition also contains a slip additive (e.g., fatty acid derivative). Among other things, such an additive can even further enhance the overall softness of the composition.