12 results about "Channel rate" patented technology

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a control message indicating a coding rate value corresponding to a downlink control information (DCI) format. The coding rate value may indicate a coding rate of the DCI format. The UE may receive a DCI message in a DCI format via a number of resource elements (REs) based on a payload size and a coding rate value, the DCI message including scheduling information associated with a data message, and the UE may receive the data message according to the scheduling information. In some examples, the UE may receive the DCI message via a physical downlink control channel (PDCCH) multiplexed with a physical downlink shared channel (PDSCH) carrying the data message.

The invention discloses a short message sending method and device, equipment, a storage medium and a program product, and the method comprises the steps: segmenting short message service flow according to preset time slice configuration, and obtaining short message data under a plurality of time slices; performing rate segmentation on the plurality of channel resources according to a preset rate arrangement strategy and a thread concurrency number to obtain rate configuration of a plurality of threads of each channel resource; wherein the rate arrangement strategy is used for indicating rate configuration of each channel resource; binding the short message data with a plurality of threads so as to enable the threads to execute sending on the bound short message data in each time slice according to own rate configuration; according to time arrangement and careful division of the channel rate, the sending efficiency of a multi-short-message service large-batch sending scene can be improved, sudden surge short message data can be effectively dealt with, multi-short-message service channel blockage caused by short message backlog is avoided, and the success rate of short message service sending loss is improved.

This invention relates to the field of optical signal demodulation, specifically to a parallel optical signal modulation and demodulation method and system based on MicroLED array optical interconnects, comprising: a data acquisition module for acquiring raw data from the external environment or equipment and converting it into a form suitable for subsequent processing; a data processing module for receiving information from the data acquisition module and preprocessing it; and a data analysis module. The overall architecture of high-speed DSP+MicroLED channels breaks away from the traditional approach of "hundreds of channels, DSP-free, wide but slow." By introducing SerDes and DSP modulation and demodulation, the single-channel rate is increased by an order of magnitude, achieving a total bandwidth of ≥120Gbps with ≤32 channels. Simultaneously, single-channel 10–20Gbps OOK / PAM4 modulation is achieved: clearly defining high-order modulation of MicroLED under GHz-level bandwidth conditions, overcoming the carrier lifetime limitations of MicroLED, and ensuring low bit error rate through pre-emphasis, equalization, and FEC.

The present application relates to the technical field of optical communication and optoelectronic integration, and particularly relates to a multi-wavelength transmission system for MicroLED wide and slow data interconnection, which is based on the inherent RGB three-primary color light emitting characteristics of MicroLED, realizes parallel transmission of multi-wavelength signals in a single optical fiber transmission channel, dynamically coordinates and allocates the transmission throughput speed of each wavelength by monitoring the quality state of each wavelength channel in real time, realizes high-bandwidth, high-reliability and low-power wide and slow data interconnection at a low single-channel rate, and fills the gap in resource optimization and dynamic adaptation in the prior art.

The application provides a controllable capacity scalable optical communication device, which comprises a cascaded Mach-Zehnder interferometer optical switch, a parallel modulator array, an on-chip optical interface array and an optical fiber array connected in sequence; the cascaded Mach-Zehnder interferometer optical switch is composed of a plurality of Mach-Zehnder interferometer optical switches with the same structure, and optical signals input into the cascaded Mach-Zehnder interferometer optical switch are branched into a plurality of independent optical signals; the plurality of optical signals are input into the parallel modulator array for modulation, and then input into the on-chip optical interface array and coupled to the optical fiber array for transmission. The application can realize low-power consumption control of channel selection, channel number and channel rate, and obtain a dynamic capacity scalable photonic integrated interconnection by using the cascaded Mach-Zehnder interferometer optical switch in the optical communication system; meanwhile, the phase modulation efficiency of the Mach-Zehnder interferometer arm is improved by using a mode conversion structure, the control voltage required for capacity scaling is reduced, and thus the power consumption is reduced.

The present application belongs to the technical field of oil and gas field development, and particularly relates to a channel fracturing parameter optimization method, comprising the following steps: obtaining fracturing parameters through a channel fracturing design method, and taking the obtained fracturing parameters as current optimal fracturing parameters; calculating a ratio of proppant mass concentration and fiber mass concentration in the fracturing parameters, under the ratio, using a mass of proppant and fiber mixed into a mass block with different diameters and different quantities to carry out a conductivity experiment, and obtaining an ideal channel rate; under the condition of the current optimal fracturing parameters, taking the ideal channel rate as an experimental target, constantly changing the fiber mass concentration to carry out a proppant migration experiment, and obtaining a current optimal fiber mass concentration; and determining an optimal proppant mass concentration according to the ratio and the current optimal fiber mass concentration. Through the above steps, the present application solves the problems of imperfect channel fracturing construction parameter design method, low fracturing parameter precision, and single experimental evaluation parameter and evaluation mode.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a control message indicating a coding rate value corresponding to a downlink control information (DCI) format. The coding rate value may indicate a coding rate of the DCI format. The UE may receive, via a quantity of resource elements (REs) that is based on a payload size and the coding rate value, a DCI message of the DCI format that includes scheduling information associated with a data message, and the UE may receive the data message in accordance with the scheduling information. In some examples, the UE may receive the DCI message via a physical downlink control channel (PDCCH) multiplexed with a physical downlink shared channel (PDSCH) that carries the data message.

Methods, systems, and devices for wireless communications are described. A network entity may provide an indication of which parts of a control resource set (CORESET) may be utilized for control information, and which parts may be utilized for data transmissions. For example, a network entity may communicate configuration information indicating multiple parts of a CORESET resource set to a user equipment (UE), along with an indication to monitor for a wake-up signal (WUS). During a wakeup occasion, the network entity may transmit a WUS to the UE. The WUS may indicate to the UE whether one or more of the parts of the CORESET may be active and may thus be utilized for the communication of control information. In response to receiving the WUS, the UE may monitor for a transmission of control information, data information, or a combination thereof, from the network entity.

A system and method for LTE-V receiving end CCH channel rate dematching based on FPGA, comprising: a state machine control unit, an input control unit, a block random memory unit and an output control unit, wherein: the state machine control unit transmits information of data count to the input control unit and the output control unit respectively according to a start signal to control the input and output of data; the input control unit receives and fills the descrambled data to 432 bits and then outputs to the BRAM unit; the output control unit reads the data in the BRAM unit by generating a read address and a read enable signal, and outputs the data after bit rearrangement while reading the data from the BRAM unit. The application utilizes the same rule of bit transformation of CCH channel rate dematching each time to avoid the calculation of interleaving and deinterleaving and significantly simplify the system structure.

The invention relates to the technical field of video communication, and provides a video code rate estimation method and device under a synchronous satellite channel, equipment and a medium, and the method comprises the steps: constructing an N-element parameter set; acquiring K neighbor node landmarks of the current landmark point from the N-element parameter set; estimating the satellite channel rate of the current landmark point based on the satellite channel rates of the K neighbor node landmarks; and adjusting video code rate parameters by using the satellite channel rate of the current landmark point. By constructing the satellite channel parameter set, the satellite channel rate of the current position can be quickly estimated, and video code rate parameters can be timely and accurately adjusted. Therefore, the problem that dynamic adjustment of video parameters is not easy to converge or time-consuming for convergence is long due to frequent fluctuation of a network state of a conventional video service system under a synchronous satellite channel can be avoided, and support is provided for always keeping optimal video fluency and definition under the synchronous satellite channel; therefore, a good user video communication effect and application experience are achieved.

The present disclosure provides an uplink service channel rate matching method and device, a storage medium and an electronic device, and relates to the technical field of communication. The uplink service channel rate matching method comprises the following steps: sending resource occupation information to a terminal device, wherein the resource occupation information comprises time-frequency resources occupied by a physical uplink control channel (PUCCH); when receiving a physical uplink shared channel (PUSCH) sent by the terminal device, performing PUSCH rate matching on the PUCCH in the middle frequency band of a spliced frequency band, and regarding time-frequency resources in the spliced frequency band that are not occupied by the PUCCH as NR PUSCH information transmission. The present disclosure achieves the purpose of improving the uplink rate of the terminal device.