Abstract: A wireless communication system includes: a first sub-system including a first radio and a second radio, each including a transceiver or a receiver; and a second sub-system coupled to the first sub-system and including: a first antenna configured to convey signals; a first tuner coupled to the first antenna; and a controller coupled to the first tuner, the controller being configured to cause the first tuner to adjust a characteristic of the first tuner; where the controller and/or the first tuner is configured to provide, to the first sub-system, an indication of an effect on operational performance of a portion of the second sub-system coupled to the second radio based on operation of the first tuner or the first antenna, or a combination thereof; where the first sub-system is configured to modify operation of the second radio based on the indication of the effect on operational performance.

Abstract: An alternative polyurethane composition is provided which comprises a reaction product of an azidated polyol and a poly(alkynyl carbamate) prepolymer, wherein reaction occurs at a temperature of from 20° C. to 200° C., optionally in the presence of a CuI-containing catalyst and wherein the poly(alkynyl carbamate) prepolymer comprises a reaction product of a polyisocyanate, an alkynol, and a glycol ether, wherein from 1 mol % to 33 mol % of isocyanate groups are reacted with glycol ether and the remaining isocyanate groups are reacted with the alkynol. The inclusion of glycol ethers into the polyisocyanate chain of the poly(alkynyl carbamate) prepolymer at a level of from 1 mol % to 33 mol %, is efficient in reducing the viscosity of the composition without compromising its performance in coatings, adhesives, sealants, films, elastomers, castings, foams, and composites made with the inventive alternative polyurethane compositions.

Abstract: An antenna and a method for manufacturing the same are provided. The antenna includes a first substrate, a second substrate opposite to the first substrate, a plurality of radiation units on a side of the first substrate distal to the second substrate, and a waveguide power division structure between the first substrate and the second substrate. The waveguide power division structure has a waveguide cavity, includes an input opening and a plurality of output openings, and divides a signal input through the input opening into a plurality of sub-signals. The plurality of sub-signals are output from the plurality of output openings, respectively, and each of the plurality of output openings outputs one of the plurality of sub-signals to at least one of the plurality of radiation units.

Abstract: The subject matter disclosed herein relates to determining a background location of a mobile device using one or more signal metrics.

Abstract: A planar insulating spacer layer can be formed over a substrate, and a combination of a semiconducting material layer, a thin film transistor (TFT) gate dielectric layer, and a gate electrode can be formed over the planar insulating spacer layer. A dielectric matrix layer is formed thereabove. A source-side via cavity and a drain-side via cavity can be formed through the dielectric matrix layer over end portions of the semiconducting material layer. Mechanical stress can be generated between the end portions of the semiconducting material layer by changing a lattice constant of end portions of the semiconducting material layer. The mechanical stress can enhance the mobility of charge carriers in a channel portion of the semiconducting material layer.

Abstract: An antenna structure and a modulation method therefor are provided. The antenna structure includes a radiation patch, a radio-frequency port, a first signal line, a second signal line, a power divider, and a first phase modulator. The radiation patch includes a first feed point and a second feed point. One end of the first signal line is connected to the first feed point. One end of the second signal line is connected to the second feed point. The power divider is separately connected to the radio-frequency port, the other end of the first signal line, and the other end of the second signal line, and is configured to allocate electromagnetic waves of the radio-frequency port to the first signal line and the second signal line; and the first phase modulator is configured to modulate the phase of the electromagnetic waves of the first signal line.

Abstract: There is provided a substrate integrated waveguide filter having a central region and a peripheral region surrounding the central region, and including: a first substrate; a second substrate opposite to the first substrate; a plurality of conductive support pillars between the first substrate and the second substrate, within the peripheral region, and surrounding the central region, wherein a distance between at least one pair of adjacent two of the plurality of conductive support pillars is less than a wavelength of an electromagnetic wave to be transmitted by the substrate integrated waveguide filter; and a dielectric layer between the first substrate and the second substrate, wherein a permittivity of the dielectric layer is configured to be changed as a strength of an electric field formed between the first substrate and the second substrate is changed to adjust a frequency of the substrate integrated waveguide

Abstract: The present disclosure provides an antenna, an antenna device, a fabricating method of the antenna, and a fabricating method of the antenna device, and relates to the field of antenna technology. The antenna includes a first substrate; a base material layer on the first substrate and having a plurality of antenna cavities arranged in an array therein; and a conductive layer on an inner side of each of the plurality of antenna cavities, each of the plurality of antenna cavities and the conductive layer on the inner side thereof forming an antenna unit, wherein each of the plurality of antenna cavities includes a first opening, and an aperture of the first opening at a position of the antenna cavity close to the first substrate is smaller than an aperture of the first opening at a position of the antenna cavity away from the first substrate.

Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.

Abstract: Systems, methods, devices, instructions, and media are described for generating suggestions for connections between accounts in a social media system. One embodiment involves storing connection graph information for a plurality of user accounts, and identifying, by one or more processors of the device, a first set of connection suggestions based on a first set of suggestion metrics. A second set of connection suggestions is then identified based on a second set of suggestion metrics, wherein the second set of connection suggestions and the second set of suggestion metrics are configured to obscure the first set of connection suggestions, and a set of suggested connections is generated based on the first set of connection suggestions and the second set of connection suggestions. The set of connection suggestions is then communicated to a client device method associated with the first account.

Abstract: A waterborne alternative polyurethane composition is provided which comprises a reaction product of: an azidated polyol; and a waterborne poly(alkynyl carbamate) prepolymer comprising a reaction product of a polyisocyanate and from 1 wt. % to 20 wt. % of an alkynol-polyether having a formula (I), R1—R2—O—R3—OH??(I), wherein, R1=a monovalent group selected from either HC?C— or HC?C—CO—, R2=a divalent alkylene group from 1 to 8 carbon atoms, and may be straight chain or branched and may contain cyclic moieties, and R3=a polyethylene glycol with number average molecular weight from 300-1,200 g/mol, wherein the wt. % is based on the weight of the prepolymer, wherein reaction of the azidated polyol and the waterborne poly(alkynyl carbamate) occurs at a temperature of from 20° C. to 200° C. and optionally in the presence of a catalyst.

Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.

Abstract: A light-emitting diode display device and a light-emission control method thereof are provided. The light-emitting diode display device includes a timing controller, multiple display pixels, and a scanning circuit. The display pixels form multiple display rows. The scanning circuit generates multiple scan signals and multiple light-emission signals that respectively drive the display rows. During a first data-writing time period of a first frame period, the timing controller provides multiple writing data to be respectively written into the display rows. During a light-emitting time period, the scanning circuit drives each of the light-emission signals to generate multiple pulses periodically according to a set period to drive the corresponding display rows. The light-emitting time period is after the first data-writing time period and before a second data-writing time period of a second frame period ends.

Abstract: A liquid crystal phase shifter and an antenna are provided. The liquid crystal phase shifter includes: first and second substrates opposite to each other, a liquid crystal layer, a first electrode, and a second electrode that are between the first and second substrates, a first shielding electrode on a side of the first substrate distal to the liquid crystal layer, and a second shielding electrode on a side of the second substrate distal to the liquid crystal layer. The first and second electrodes generate an electric field when being provided with different voltages, respectively, to change a dielectric constant of the liquid crystal layer so as to adjust a phase shifting degree of a microwave signal. The first and second shielding electrodes shield radiation generated by the first and second electrodes when the different voltages are applied to the first and second electrodes, respectively.

Abstract: A feeding structure is provided. The feeding structure includes a feeding unit, which includes: a reference electrode, first and second substrates opposite to each other, and a dielectric layer between the first and second substrates. The first substrate includes a first base plate and a first electrode thereon. The first electrode includes a first main body and a plurality of first branches connected to the first main body and spaced apart from each other. The second substrate includes a second base plate and a second electrode thereon. The second electrode includes a second main body and a plurality of second branches, which are connected to the second main body, spaced apart from each other, and in one-to-one correspondence with the plurality of first branches. Orthographic projections of each second branch and a corresponding first branch on the first base plate partially overlap each other.

Abstract: Systems and methods for optical communication are provided. For instance, a method for optical communication can include receiving, by a first coupling module, a power-on signal from a first electronic device coupled to the first coupling module. The method can also include relaying, by the first coupling module, a first optical signal to a second coupling module coupled to a second electronic device. The method can also include relaying, by the second coupling module, in response to receipt of the first optical signal, a second optical signal to the first coupling module. The method can also include activating, by the first coupling module, in response to receipt of the second optical signal, a data transfer circuit for relaying data via an optical communication interface between the first coupling module and the second coupling module.

Abstract: A system for controlling overlapping in single-layer laser cladding of a shaft-like workpiece includes an acceleration time calculation module, a feed shaft displacement calculation module and a module for adjusting an initial zero position of a laser head in a feed direction. Using the system, the motions of the spindle and the feed shaft are planned based on an S-curve acceleration and deceleration method. The motion planning is dynamically adjusted considering the overlapping rate and the clamping allowance of the workpiece to be cladded in a feed direction.

Abstract: A component for a cage is for holding electronic devices in a computing system. The component includes a cover with a hook, an emboss, and a main panel. The cover may be couplable to the cage by the hook and emboss. The component also includes a partition with a primary panel. The partition may be couplable to the cage by the primary panel. The cover is detachable from the partition. After the cover is detached from the partition, the cover may be rotated approximately 180 degrees and reinstalled into the cage. The cover may also include another emboss to fix the cover into the cage when the cover is installed in a rotated position. The cage may also include a top portion and a bottom portion. The top and bottom portions of the cage may include features that assist the partition and the cover to maintain a fixed position.

Abstract: Methods, systems, computer-readable media, and apparatuses for to managing use of a satellite positions system (SPS) receiver in conjunction with one or more radio access technology (RAT) transmitters. In certain embodiments, a controller can be used to prioritize reception by the SPS receiver over transmission by the one or more RAT transmitters.

Abstract: A software-defined data center, and a deployment method for a service cluster are described therein. An SDN controller manages a cluster by using a shared IP address. The SDN controller obtains an online virtual machine event that is sent by an edge switch accessed by a new online virtual machine; obtains a MAC address of the new online virtual machine, and identifies the new online virtual machine; then identifies whether an IP address of the new online virtual machine is a shared IP address; and if the IP address of the new online virtual machine is the shared IP address, deploys the new online virtual machine to a service cluster corresponding to the shared IP address. The SDN controller automatically completes creation, capacity expansion of the service cluster, so that no manual intervention from a tenant is required, and tenant experience is good.