Abstract: A method is proposed for operating a re-configurable reflective device, RRD, the RRD being re-configurable to provide multiple spatial filters, each one of the multiple spatial filters being associated with a respective input spatial direction from which incident signals on a data radio channel are accepted and with a respective output spatial direction into which the incident signals are reflected by the RRD. The method comprises: receiving, by the RRD from a first communication node, CN1, on a positioning radio channel different from the data radio channel, a CN1 reference signal, determining, by the RRD, an estimated CN1 angle of arrival of the CN1 reference signal, and reconfiguring the RRD based on the estimated CN1 angle of arrival.

Abstract: A communication system is provided. The communication system comprises a network node. The communication system comprises one or more aiding wireless devices, such as a plurality of aiding wireless devices. The communication system may comprise a coverage enhancing device, CED, configured to redirect signals according to a predetermined spatial pattern. The network node may be configured to send, to the plurality of aiding WDs, a WD configuration message to configure the plurality of aiding WDs for contemporaneously sending discovery signals. In a first configuration of the CED, the CED may be configured to redirect a first set of discovery signals emitted by the plurality of aiding WDs according to a first predetermined spatial pattern.

Abstract: A display substrate, including: a base substrate; and a metal conductive layer, located at a side of the base substrate, and including a core conductive layer and a functional conductive layer laminated along a direction away from the base substrate; a material of the core conductive layer includes a conductive metal material; a material of the functional conductive layer includes a first diffusion barrier metal material and a first adhesion force enhancing metal material, wherein the first diffusion barrier metal material is configured to block diffusion of the conductive metal material, and the first adhesion force enhancing metal material is configured to enhance an adhesion force between the functional conductive layer and a photoresist used in a patterning process of the functional conductive layer; a surface energy of any of first adhesion force enhancing metal materials is less than or equal to 325 mJ/m2.

Abstract: A method for data erasing of a non-volatile memory device is disclosed. The memory includes multiple memory cell strings each including a select gate transistor and multiple memory cells that are connected in series. The method comprises applying a step erase voltage to one memory cell string for an erase operation, the step erase voltage having a step-rising shaped voltage waveform. The method further comprises, during a period when the step erase voltage rises from an intermediate level to a peak level, raising a voltage of the select gate transistor from a starting level to a peak level, and raising a voltage of a predetermined region from a starting level to a peak level, such that a gate-induced drain leakage current is generated in the one memory cell string. The predetermined region is adjacent to the at least one select gate transistor and includes at least one memory cell.

Abstract: Disclosed in this application are a data packet synchronization method and apparatus, a device, and a storage medium, relating to the field of data communication. The method includes receiving a data packet transmitted by a client, the data packet including a thread identifier and a frame identifier, the thread identifier being added by the client according to a logical operation type required by the data packet, the frame identifier being used for identifying a picture frame triggering the data packet; writing, after the data packet is transmitted to a logical thread corresponding to the thread identifier for a logical operation, a data packet obtained after the operation into a message queue corresponding to the logical thread; and reading the data packet obtained after the operation from the message queue according to the frame identifier, and synchronizing the data packet obtained after the operation to an associated client.

Abstract: Antenna (1), for use in a wireless terminal including a ground plane (11) and a metal frame (12) encompassing the ground plane with a gap (13) between the metal frame and the ground plane; wherein said antenna is configured to form a grounding connection (15) between the ground plane and the metal frame for operation in a first frequency range (FR1); and wherein the antenna comprises an open cavity structure (100) for a second frequency range (FR2).

Abstract: A method for document similarity analysis. The method includes generating a reference document content identifier for a reference document, including identifying frequently occurring terms in reference document content, encoding each frequently occurring term in a term identifier and combining the term identifiers to form the reference document content identifier associated with the reference document. The method also includes obtaining at least one document similarity value by comparing the reference document content identifier to a set of archived document content identifiers stored in a document repository.

Abstract: The present disclosure relates to the field of display technologies, and in particular to a thin film transistor and a method for manufacturing the same, an array substrate and a display device. An active layer of the thin film transistor includes at least two metal oxide semi-conductor layers, the at least two metal oxide semi-conductor layers include a channel layer and a first protection layer, and metals in the channel layer include tin, and at least one of indium, gallium and zinc. The first protection layer includes praseodymium used to absorb photo-generated electrons from at least one of the channel layer and the first protection layer which is under light irradiation and reduce a photo-generated current caused by the light irradiation.

Abstract: A composite antenna device (10) configured for omnidirectional operation, comprising a first antenna system (100) configured for use in a first frequency band of a first frequency range (FR2), comprising multiple first antenna elements (110, 110A) arranged in a cylindrical configuration; a second antenna system (200) configured for use in a second frequency band of a second frequency range (FR1) at a frequency which is lower than the first frequency band; and a housing (11) enclosing the first and second antenna systems, wherein the first and the second antenna systems are configured for omnidirectional operation about an axis (12) of the composite antenna device.

Abstract: The prediction system for predicting an information related to a pedestrian has a tracking module that detects and tracks in real-time a pedestrian in an operating area, from sensor data; a machine-learning prediction module that performs a prediction of information at future times related to the tracked pedestrian using a machine-learning algorithm from input data including data of the tracked pedestrian transmitted by the tracking module and map data of the operating area; a pedestrian behavior assessment module that determines additional data of the tracked pedestrian representative of a real time behavior of the pedestrian, and said additional data of the tracked pedestrian is used by the machine-learning prediction module as another input data to perform the prediction.

Abstract: Disclosed is a method, performed by a transmit node, for transmitting a plurality of groups of symbol sequences comprising a first group of symbol sequences and a second group of symbol sequences. The method comprises obtaining a bit sequence for transmission. The method comprises obtaining, based on the bit sequence, M different coded versions of the bit sequence. The M is a positive integer. The method comprises obtaining the first group of symbol sequences based on modulating the M different coded versions with a first bitmap of a plurality of bitmaps of a modulation scheme. The method comprises obtaining the second group of symbol sequences based on modulating M different coded versions with a second bitmap of the plurality of bitmaps. The second bitmap and the first bitmap are different. The method comprises performing at least one transmissions of the first group of symbol sequences and of the second group of symbol sequences, to a receive node.

Abstract: A method is disclosed performed by a first wireless node, for enabling joint channel estimation in a time domain in a network. The method comprises determining a presence of a repeater node in a transmission path between the first wireless node and a second wireless node. The repeater node is enabled to relay a transmission between the first wireless node and the second wireless node. The method comprises transmitting, to the second wireless node, an indication indicating a condition associated with phase continuity and/or power consistency of the transmission between the first wireless node and the second wireless node.

Abstract: The present disclosure provides a gamma camera imaging method and a gamma camera imaging device. The method includes: selecting, from energy spectrums captured by a gamma camera on one or more radioactive materials, one or more energy ranges of each radioactive material among the one or more radioactive materials as one or more monitored energy regions of the radioactive material; performing image reconstruction on the monitored energy regions of each radioactive material among the one or more radioactive materials; performing normalization on images obtained through the image reconstruction; and performing superimposing on the normalized images to form a composite image.

Abstract: A method is disclosed performed by a transmitter node, for enabling reception beam selection at one or more receiver nodes. The method comprises obtaining a polarization profile, wherein the polarization profile defines a respective polarization for a sequence of probing occasions. The method comprises transmitting a pilot signal in each probing occasion of the sequence of probing occasions according to the polarization profile, in one single transmission beam. The polarization profile defines a first polarization to be used in N probing occasions and a second polarization to be used in M probing occasions in the sequence of probing occasions, where M is smaller than N and M is non-zero.

Abstract: A light-emitting substrate and a display device are disclosed, the light-emitting substrate includes: a base substrate including a light-emitting region; a plurality of first pads on a side of the base substrate and in the light-emitting region, where a material of the first pads includes Cu; and an oxidation protection layer on a side of the first pads away from the base substrate, where the plurality of first pads is used for bonding connection with a plurality of light-emitting units through the oxidation protection layer, a material of the oxidation protection layer includes CuNiX, and X includes one or any combination of Al, Sn, Pb, Au, Ag, In, Zn, Bi, Mg, Ga, V, W, Y, Zr, Mo, Nb, Pt, Co or Sb.

Abstract: A method is provided for predicting respective trajectories of a plurality of road users. Trajectory characteristics of the road users are determined with respect to a host vehicle via a perception system, wherein the trajectory characteristics are provided as a joint vector describing respective dynamics of each of the road users for a predefined number of time steps. The joint vector of the trajectory characteristics is encoded via an algorithm which included an attention algorithm for modelling interactions of the road users. The encoded trajectory characteristics and encoded static environment data obtained for the host vehicle are fused in order to provide fused encoded features. The fused encoded features are decoded in order to predict the respective trajectory of each of the road users for a predetermined number of future time steps.

Abstract: A method is provided for predicting trajectories of a plurality of road users. For each road user, a set of characteristics detected by a perception system of a vehicle is determined, wherein the set of characteristics includes specific characteristics associated with a predefined class of road users. The set of characteristics is transformed to a set of input features for a prediction algorithm via a processing unit of the vehicle, wherein each set of input data comprises the same predefined number of data elements. At least one respective trajectory for each of the road users is determined by applying the prediction algorithm to the input data.

Abstract: A circuit board includes a substrate and a stress neutral layer disposed on a side of the substrate. The stress neutral layer includes one or more first metal layers and one or more second metal layers. The one or more second metal layers and the one or more first metal layers are stacked. At least one of the one or more first metal layers is made of a material for generating a tensile stress, and at least one of the one or more second metal layers is made of a material for generating a compressive stress.

Abstract: Examples provide a method of operating a first communication node (CN), wherein the method comprises obtaining a capability of a coverage enhancing device (CED) to provide reconfigurable frequency filters for incident signals received along one or more input spatial directions on a radio channel and transmitted into one or more output spatial directions. determining a frequency filter to be applied by the CED; and providing, to the CED, a message indicative of the frequency filter to be applied by the CED. Further examples, provide a method of operating a CED and a second CN. Still further examples provide a first CN, a CED and a second CN configured for performing the methods.

Abstract: An ionizable lipid based on cyclohexanediamine and a lipid nanoparticle, and a preparation method therefor and use thereof. The ionizable lipid based on cyclohexanediamine is a compound represented by formula (a), wherein n is independently selected from natural numbers of 0-8; R1, R2, R3 and R4 are independently selected from C8-C24 alkyl, C8-C24 alkyl substituted by a substituent group, C8-C24 alkenyl, C8-C24 alkenyl substituted by a substituent group, and C8-C24 alkynyl and C8-C24 alkynyl substituted by a substituent group. The lipid nanoparticle formed by the ionizable lipid based on cyclohexanediamine has the advantages of biodegradability, high in-vivo and in-vitro transfection efficiency, and the like, and has a good clinical application prospect.