Abstract: A downlink data transmission method and apparatus, a storage medium, and an electronic device are disclosed. The method may include: determining a transmission delay, where the transmission delay includes a sum of an optical fiber transmission delay and a downlink processing delay from a Media Access Control (MAC) exit to an air interface (S102); determining a frame starting time of the MAC exit according to the transmission delay (S104); and transmitting downlink data according to the frame starting time (S106).

Abstract: Disclosed are a downlink signal processing method and apparatus, a base station, and a non-transitory computer-readable medium. The downlink signal processing method may includes performing resource element mapping on an unmodulated downlink signal, and performing modulation on the downlink signal that has been subjected to the resource element mapping to obtain modulated data.

Abstract: An LAA-based wireless transmission access method is disclosed including: acquiring, by a BBU, a signal format corresponding to an LBT startup indication, and delivering a corresponding LBT startup indication message; distributing, by a bridge unit, the startup indication message to an RRU; performing, by the RRU, spectrum scanning according to the signal format to obtain idle/busy state information of an unlicensed spectrum in the signal format, and reporting the same to the BBU via the bridge unit; determining, by the BBU, a preemptable unlicensed spectrum in the signal format according to the idle/busy state information, and delivering an occupancy message; delivering, by the bridge unit, the occupancy message to the RRU; determining, by the RRU, a signal source of the signal format in the occupancy message; if the signal source is a different manufacturer, switching to an intermediate radio frequency processing channel of a different manufacturer for transmission.

Abstract: A time synchronization method, a programmable logic device, a single board and a network element are provided. In the method, a programmable logic device receives a request message from a terminal, generates a time synchronization message according to the request message, and sends the time synchronization message to the terminal.

Abstract: A time synchronization method, a programmable logic device, a single board and a network element are provided. In the method, a programmable logic device receives a request message from a terminal, generates a time synchronization message according to the request message, and sends the time synchronization message to the terminal.

Abstract: Provided are a data transmission method and device, which relate to the field of communications. The method includes: when data is transmitted between an REC and one or more REs, arranging extended control words of the one or more REs in a plurality of superframes, wherein connotations of the extended control words at a same position in different superframes are different, and sending the plurality of superframes to an opposite end. By arranging extended control words of one or more REs in a plurality of superframes and different connotations of the extended control words at the same position in different superframes, the solution solves the problem that the requirements cannot be satisfied due to the limited number of control words in the protocol, and has the beneficial effect of increasing control words in the protocol.

Abstract: The present disclosure provides a clock synchronization method and a clock synchronization apparatus. Herein the method includes: a physical layer device acquires a synchronization message used for a device to be synchronized to implement clock synchronization; and the physical side device transmits the synchronization message to the device to be synchronized. By means of the abovementioned technical solution provided by the present disclosure, the problems of small user capacity of the load and high synchronization cost resulted from the clock synchronization method in existing technologies are solved, the insufficient user capacity of the load caused by the limit of the CPU architecture is avoided, and the bandwidth resource of the Ethernet is utilized to the maximum extent.

Abstract: The present disclosure relates to a pixel arranging method. A repeating unit consists of a first structural unit and a second structural unit that are repeatedly arranged in the horizontal direction respectively, and are alternately arranged in the vertical direction; the first structural unit and the second structural unit respectively comprises seven sub-pixels, the seven sub pixels includes two sub-pixels of a first color, two sub-pixels of a second color, two sub-pixels of a third color and one sub-pixel of a fourth color; or two sub-pixels of the first color, one sub-pixel of the second color, two sub-pixels of the third color and two sub-pixels of the fourth color. The present disclosure also relates to a sub-pixel rendering method and an image display device. In case of limited manufacturing processes, the resolution can still be increased, while power consumption can be lowered.

Abstract: A time synchronization method and apparatus for network devices and a time synchronization server are disclosed, which relates to the field of communication technology, to solve the problem of failing to perform high-capacity and centralized time synchronization due to less timely processing of a time synchronization message in the related art. The method includes: a programmable logic device receiving and parsing a time synchronization message from a to-be-synchronized device in a physical layer, wherein the time synchronization message carries a synchronization parameter; the programmable logic device generating a reply message for the time synchronization message according to local reference time and update configurations of the synchronization parameter; and the programmable logic device sending the reply message and a link establishment and communication message from a CPU to the to-be-synchronized device in a preset order.

Abstract: The present disclosure relates to a pixel arranging method. A repeating unit consists of a first structural unit and a second structural unit that are repeatedly arranged in the horizontal direction respectively, and are alternately arranged in the vertical direction; the first structural unit and the second structural unit respectively comprises seven sub-pixels, the seven sub pixels includes two sub-pixels of a first color, two sub-pixels of a second color, two sub-pixels of a third color and one sub-pixel of a fourth color; or two sub-pixels of the first color, one sub-pixel of the second color, two sub-pixels of the third color and two sub-pixels of the fourth color. The present disclosure also relates to a sub-pixel rendering method and an image display device. In case of limited manufacturing processes, the resolution can still be increased, while power consumption can be lowered.

Abstract: The present disclosure discloses a method and device for receiving and sending a message, a channel unit and communication equipment. The method for receiving and sending the message of the present disclosure specifically includes that: a channel unit receives a message sent by equipment born by an equipment network interface; the channel unit judges whether the received message is a message required to be processed by a CPU or not; when a judgment result is that the received message is the message required to be processed by the CPU, the channel unit sends the message to the CPU, receives a response message returned by the CPU, and directly forwards the response message to the equipment; and when the judgment result is that the received message is not the message required to be processed by the CPU, the channel unit generates and sends a corresponding response message to the equipment.

Abstract: The present disclosure provides a clock synchronization method and a clock synchronization apparatus. Herein the method includes: a physical layer device acquires a synchronization message used for a device to be synchronized to implement clock synchronization; and the physical side device transmits the synchronization message to the device to be synchronized. By means of the abovementioned technical solution provided by the present disclosure, the problems of small user capacity of the load and high synchronization cost resulted from the clock synchronization method in existing technologies are solved, the insufficient user capacity of the load caused by the limit of the CPU architecture is avoided, and the bandwidth resource of the Ethernet is utilized to the maximum extent.

Abstract: Provided are a data transmission method and device, which relate to the field of communications. The method includes: when data is transmitted between an REC and one or more REs, arranging extended control words of the one or more REs in a plurality of superframes, wherein connotations of the extended control words at a same position in different superframes are different, and sending the plurality of superframes to an opposite end. By arranging extended control words of one or more REs in a plurality of superframes and different connotations of the extended control words at the same position in different superframes, the solution solves the problem that the requirements cannot be satisfied due to the limited number of control words in the protocol, and has the beneficial effect of increasing control words in the protocol.