Abstract: Various solutions for Internet of Things (IoT) signal transmission with respect to an apparatus, a network node and an IoT device are described. An apparatus may receive a configuration from a network node. The apparatus may transmit a command to an IoT device according to the configuration. The apparatus may receive a backscattered signal from the IoT device. The backscattered signal is generated based on a carrier wave (CW). The CW may be provided by the apparatus or an emitter.

Abstract: Various solutions for determining a channel information based on synchronization signal with respect to an apparatus in mobile communications are described. The apparatus may receive a synchronization signal. The apparatus may decode the synchronization signal based on a cyclic shifted sequence generated by cyclically shifting a root sequence. The root sequence may include a plurality of non-zero values and a plurality of zero values, and any two different cyclic shifted sequences generated from the root sequence may have at most one coincidence of positions of the plurality of non-zero values. The apparatus may determine a channel information based on the synchronization signal.

Abstract: Various solutions for Internet of Things (IoT) signal transmission with respect to reader apparatus and an IoT device are described. A reader apparatus may transmit a message to an IoT device through an in-band frequency or a guard band frequency in a frequency spectrum for an orthogonal frequency division multiplexing (OFDM) signal. A start of the transmission is aligned with a boundary of an OFDM symbol of the OFDM signal. The reader apparatus may receive a backscattered IoT signal from the IoT device through the in-band frequency or the guard band frequency.

Abstract: Various solutions for on-off keying (OOK) signal generation with respect to reader apparatus and an Internet of Things (IoT) device are described. A reader apparatus may generate an OOK signal with a discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) waveform or with a cyclic prefix-OFDM (CP-OFDM) waveform. The reader apparatus may transmit the OOK signal to an IoT device.

Abstract: Various solutions for on-off keying (OOK) signal generation with respect to reader apparatus and an Internet of Things (IoT) device are described. A reader apparatus may generate an OOK signal with an orthogonal frequency-division multiplexing (OFDM) waveform, wherein a start of an OOK signal transmission is aligned with a boundary of a symbol of the OFDM waveform. The reader apparatus may transmit the OOK signal to an IoT device.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device transmits, to an ambient Internet of Things (A-IoT) device, a downlink (DL) signal and validation information. The reader device receives, from the A-IoT device, a unique electronic product code (EPC) after the A-IoT device has validated the validation information. The reader device transmits, to the A-IoT device, a confirmation message in response to successful reception of the EPC from the A-IoT device.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device sends a communication initiation signal to an ambient Internet of Things (A-IoT) device. The reader device receives charging status information from the A-IoT device. The reader device adjusts a behavior based on the charging status information.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device transmits an incident signal to an ambient internet of things (A-IoT) device. The reader device receives a response from the A-IoT device. The reader device adjusts a power of the incident signal based on a status of the response such that the power of the incident signal is at a level sufficient for communication with the A-IoT device while controlling interference with other devices.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader. The reader broadcasts a radio signal indicating an available slot set. The reader transmits an acknowledge (ACK) signal including a decoded sequence to an ambient internet of things (A-IoT) device. The reader receives an identifier from the A-IoT device. The identifier is a reply of the A-IoT device when there is a match between the decoded sequence and a chosen sequence, and the chosen sequence is a random sequence that responds to the radio signal in a random slot chosen from the available slot set.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader. The reader receives a response signal set that responds to a radio signal, from an ambient internet of things (A-IoT) device set, a response signal in the response signal set being modulated by a corresponding A-IoT device in the A-IoT device set to include an identification of the corresponding A-IoT device. The reader identifies the corresponding A-IoT device based on the identification of the corresponding A-IoT device, and performs measurement for a positioning parameter. The reader executes a positioning related operation based on the identified A-IoT device and the measurement for the positioning parameter.

Abstract: A method of forming a layer of glue on a work piece includes: spraying the glue on the work piece; obtaining specification data of the glue by measuring a weight of the glue being sprayed on the work piece; and adjusting the spraying amount of the glue in real time according to the specification data of the glue.

Abstract: A detection apparatus for light-emitting diode chips comprises a transparent chuck with the light-concentration capability, a probing device and a light-sensing device. The transparent chuck comprises a light-incident plane and a light-emitting plane. The light-incident plane is used to bear a plurality of light-emitting diode chips under detection. The probing device comprises two probe pins and a power supply. The two ends of each probe pin is electrically connected to one of the light-emitting diode chips and the power supply, respectively, to make the light-emitting diode chip emit a plurality of light beams. The light beams penetrate through the transparent chuck by emitting into the incident plane of the transparent chuck. The light-sensing device is disposed on one side of the light-emitting plane of the transparent chuck to receive the light beams which penetrate through the transparent chuck.

Abstract: A detection apparatus for light-emitting diode chip comprising a substrate with the function of photoelectric conversion and a probing device is disclosed. The substrate is designed to bear at least one light-emitting diode chip. The probing device comprises a power supply and at least two conductive elements. The two ends of the conductive elements are respectively electrically connected to the light-emitting diode chip and the power supply to enable the light-emitting diode chip to emit light beams. Some of the light beams are emitted from the light-emitting diode chip toward the substrate such that the light beams emitted by the light-emitting diode chip are converted into an electric signal by the substrate.

Abstract: A package structure and a manufacturing method thereof are disclosed. The package structure includes: a substrate; at least one light emitting diode disposed on the substrate by eutectic bonding; and at least one Zener diode disposed on the substrate by at least one silver glue. The method of manufacturing the package structure includes: providing a substrate; performing a eutectic bonding process to dispose at least one light emitting diode on the substrate; and performing a silver glue bonding process at room temperature to dispose at least one Zener diode on the substrate.

Abstract: A wavelength converting structure suitable for covering a carrier carrying at least one light-emitting diode (LED) chip is provided. The wavelength converting structure includes a base film and a fluorescent layer. The base film has a first bending portion and a first flat portion connected to the first bending portion. The first flat portion is disposed on the carrier, and an accommodating space is defined by the first bending portion and the carrier. The LED chip is disposed in the accommodating space. The fluorescent layer is disposed on the base film and has a second bending portion and a second flat portion connected to the second bending portion. The second bending portion is conformal to the first bending portion, and the second flat portion is conformal to the first flat portion.

Abstract: A spray coating apparatus including a containing tank, a spray nozzle, and a detection unit is provided. The containing tank contains a glue. The spray nozzle is connected to the containing tank to spray and coat the glue on a work piece. The detection unit detects specification data of the glue on the work piece.

Abstract: A detection apparatus comprising a chuck, a probe device, a light-sensing device and a light-concentrating unit is disclosed. The chuck bears light-emitting diode chips. The probe device includes two probes and a power supply. The end point of the probes respectively electrically connects with one of the light-emitting diode chips and the power supply to make the light-emitting diode chip emits a plurality of light beams. The light-sensing device is disposed on one side of a light-emitting surface of the light-emitting diode chip so as to receive the light beams emitted by the light-emitting diode chip. The light-concentrating unit is disposed between the light-emitting diode chip and the light-sensing device to concentrate the light beams emitted by the light-emitting diode chip.

Abstract: A splitting apparatus suitable to split a work piece along at least one cutting line formed on the work piece is provided. The splitting apparatus includes a chopper, a detector, a controller and an adjustor. The chopper is disposed above the work piece. The detector is disposed above the work piece for transmitting a signal to the work piece so as to get a specification data of the work piece. The controller connects the detector and receives the specification data and generates an adjustment data. The adjustor connects the controller and the chopper. The adjustor receives the adjustment data and adjusts a parameter data of the chopper according to the adjustment data so that the chopper splits the work piece for once along the cutting line formed on the work piece.

Abstract: A working machine includes a work piece, at least one signal generator and a detector. The signal generator is disposed beside the work piece for transmitting a signal. The detector is disposed beside the work piece so as to detect the signal transmitted by the signal generator and get a location information of the work piece.

Abstract: A detection apparatus for light-emitting diode chip comprising a substrate with the function of photoelectric conversion and a probing device is disclosed. The substrate is designed to bear at least one light-emitting diode chip. The probing device comprises a power supply and at least two conductive elements. The two ends of the conductive elements are respectively electrically connected to the light-emitting diode chip and the power supply to enable the light-emitting diode chip to emit light beams. Some of the light beams are emitted from the light-emitting diode chip toward the substrate such that the light beams emitted by the light-emitting diode chip are converted into an electric signal by the substrate.