Abstract: A display method of an electronic identification device, a controller, an electronic identification device and a system are provided. The display method includes: controlling the electronic identification device to enter a working state from a sleep state, and obtaining to-be-displayed data; power consumption corresponding to the electronic identification device in the sleep state being lower than power consumption corresponding to the electronic identification device in the working state; and refreshing the to-be-displayed data to an electronic ink screen for display through a serial peripheral interface bus, and controlling the electronic identification device to enter the sleep state again after the refreshing is completed.

Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.

Abstract: An electronic label and an electronic label system are disclosed. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller including a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.

Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a repeater configured to receive content data to be displayed on the plurality of display screens and distribute the content data to a communicator according to a signal strength between the repeater and the communicator; the communicator configured to receive the content data from the repeater; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: A power supply circuit and a display device are provided, belonging to the field of display technologies. The power supply circuit includes a boosting sub-circuit and a driving sub-circuit. The boosting sub-circuit may boost the voltage of the power signal provided by the power source; the driving sub-circuit may drive the load to work normally while ensuring that the capacitance of the capacitor in the driving sub-circuit is small when supplying power to the load with the power signal of which the voltage is boosted.

Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.

Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.

Abstract: An electronic label is provided, including: a first power supply unit, which is configured to supply power to the electronic label; a first control unit, which is configured to monitor at least one of a power supply voltage and a remaining power of the first power supply unit. The first power supply unit includes a first booster circuit, and is configured to turn on the first booster circuit to boost the power supply voltage when at least one of the following conditions is met: the power supply voltage is lower than a first preset voltage threshold; and, the remaining power is lower than a first preset power threshold. The invention also provides a method for monitoring an electronic label, an electronic label monitoring device, and an electronic label system.

Abstract: A power supply circuit and a display device are provided, belonging to the field of display technologies. The power supply circuit includes a boosting sub-circuit and a driving sub-circuit. The boosting sub-circuit may boost the voltage of the power signal provided by the power source; the driving sub-circuit may drive the load to work normally while ensuring that the capacitance of the capacitor in the driving sub-circuit is small when supplying power to the load with the power signal of which the voltage is boosted.

Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.

Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a repeater configured to receive content data to be displayed on the plurality of display screens and distribute the content data to a communicator according to a signal strength between the repeater and the communicator; the communicator configured to receive the content data from the repeater; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.

Abstract: The present disclosure provides an electronic label and a method for driving the same. The electronic label includes: a plurality of display screens; a communicator configured to receive content data to be displayed on the plurality of display screens; and a controller comprising a serial data interface and configured to transmit, through the serial data interface, the content data to be displayed on the plurality of display screens and a control signal generated by the controller for controlling the plurality of display screens to the plurality of display screens respectively, so as to control the plurality of display screens to display the respective content data received according to the control signal.

Abstract: A method for receiving a signal in a wireless communication system includes: receiving and demodulating a signal transmitted by using a quadrature spatial modulation technology to obtain a complex symbol; and decoding the complex symbol with a spherical decoding detection algorithm. Decoding includes, for the ith layer of a constellation symbol, discarding the constellation symbol if a calculated radius of the ith layer is greater than a minimum radius of the ith layer; otherwise updating the minimum radius of the ith layer according to the calculated radius; where i is a natural number in a range between Nr and 1; Nr is the number of receiving antennas; and for each constellation symbol that is not discarded, taking a sum of the radii of respective layers of the constellation symbol as the radius of the constellation symbol, and selecting a constellation symbol with the smallest radius as a symbol obtained from the decoding.

Abstract: A method for receiving a signal in a wireless communication system includes: receiving and demodulating a signal transmitted by using a quadrature spatial modulation technology to obtain a complex symbol; and decoding the complex symbol with a spherical decoding detection algorithm. Decoding includes, for the ith layer of a constellation symbol, discarding the constellation symbol if a calculated radius of the ith layer is greater than a minimum radius of the ith layer; otherwise updating the minimum radius of the ith layer according to the calculated radius; where i is a natural number in a range between Nr and 1; Nr is the number of receiving antennas; and for each constellation symbol that is not discarded, taking a sum of the radii of respective layers of the constellation symbol as the radius of the constellation symbol, and selecting a constellation symbol with the smallest radius as a symbol obtained from the decoding.