35results about How to "Avoid decoding errors" patented technology

The invention provides a method for transmitting feedback information released by uplink semi-persistent scheduling (SPS), wherein the feedback information of resource release signaling of the uplink SPS, as the feedback information of the physical downlink shared channel, is processed. The invention also provides a method for transmitting feedback information released by SPS, wherein for the same one user terminal, when the resource release signaling of the uplink SPS and the resource release signaling of the downlink SPS are transmitted on the same sub-frame, the sub-frame transmits the resource release signaling of only one type of SPS, and the feedback information of the resource release signaling of the transmitted SPS, as the feedback information of the physical downlink shared channel, is processed. The method for transmitting feedback information released by uplink SPS solves the transmission problem of the feedback information released by uplink SPS and solves the problem of compatibility with the acknowledgement/negative acknowledgement (ACK/NACK) feedback information of existing downlink data, thereby ensuring the receiving stat of the resource release signaling of the uplink SPS, preventing the extra interference and unnecessary decoding error, and further ensuring the system performance.

The invention discloses an MCS-grade determination method and equipment. The method comprises steps that, second SINR of a PUSCH signal is calculated by the base station equipment according to first SINR obtained through SRS signal measurement at the k0 moment; the first MSC grade is determined by the base station equipment according to the second SINR; the really scheduled PRB quantity and the really-used second MCS grade are calculated by the base station equipment according to the first MCS grade and really-needed user transmission data quantity. Through the method, the MCS grade corresponding to PUSCH calling certain PRB quantity can be precisely calculated, the MCS grade of the PUSCH is made to be in matching with the real SINR of the PUSCH channel, PUSCH reception performance is effectively guaranteed, so uplink transmission efficiency of an LTE system is improved, uplink transmission efficiency of district edge users is facilitated to improve, PUSCH transmission performance of the district edge users with large path loss is guaranteed, and the uplink business rate of the edge users is facilitated to improve.

The invention discloses a decoding device and a decoding method, which can effectively avoid the phenomenon of decoding errors easily because the conventional RFID system decodes signals by adopting an association method so as to improve the accuracy of the RFID system in signal decoding. The decoding device is applied to data signals comprising a plurality of bits. The data signals generate a plurality of sampling data after being sampled. The bits have the same bit period. The decoding device comprises a statistical module and a decision module, wherein the statistical module sets a first time section and a second time section of the bit period for a specific bit, generates a first count according to the sampling data corresponding to a first logic level in the first time section, and generates a second count according to the sampling data corresponding to a second logic level in the second time section; and the decision module decides a numerical logic value of the specific bit according to the first count and the second count.

The invention discloses a 3D measurement method based on green-fringe center color coded structured light. The importance development direction of the current vision 3D detection technique includes the structured light method which reflects the advantages in resolution and measuring speed. In the method, color replaces grey level for coding; the color is three basic colors, namely, red, green and blue so as to maximize the difference among the colors. Red and blue fringes in project fringes are coded in Gray code and red fringes are arranged at 0 and blue fringes are arranged at 1 while decoding. A green fringe with a wide pixel is inserted in every neighboring red and blue fringes, selecting the final digit of green pixel projection fringe among all neighboring red and blue fringes, the green fringe code value is not unique while decoding, the code value of the green fringe in pattern j only depends on the code values of the red and blue fringes in the former [1,.....j-1] and is not related to the color value of the neighboring pixel. The method has a wide application trend in industrial production and real life.

The invention provides a laser radar system and a target object recognition method. The laser radar system comprises multiple laser light sources, a light sharing device, a light splitting device, a scanning device, a light branching device, a converging lens and multiple photoelectric detection modules, wherein the multiple laser light sources output laser beams with different wavelengths, and encoding is realized according to difference of optical parameters and/or transmission characteristics. Meanwhile, the multiple photoelectric detection modules receive echo beams with different wavelengths respectively, so that whether a target object is valid or not can be determined according to optical parameters and/or transmission characteristics of the echo beams with different wavelengths. Therefore, the laser beams emitted by the multiple laser light sources are encoded and detected respectively by the laser radar system provided by the embodiment of the invention, anti-jamming capability of the laser radar system is improved, and furthermore, compared with a method for encoding different sequences produced by the same laser light source, the method has the advantages of reducing design difficulty and facilitating implementation and popularization in engineering.

The invention discloses a download instruction self-adaptive decoding method of a rotary steering drilling system. The method comprises the steps of: converting a download instruction into a rotatingspeed signal of a mud generator by an instruction conversion system; acquiring the rotating speed signal of the mud generator, and filtering the rotating speed signal; judging a size relation betweena relevancy and a preset relevancy to obtain a gradient value of a wake-up sequence in a download instruction within a certain time range, and automatically adjusting thresholds h1 and h2 of a data sequence gradient value in a subsequent download instruction according to the gradient value of the wake-up sequence in the download instruction; determining a pulse sequence edge of a data sequence inthe download instruction; and determining the pulse width of the data sequence according to the judgment result, and determining a download signal according to the pulse width. The method has the advantages that the wake-up sequence is detected through related algorithms, the recognition accuracy of the wake-up sequence is improved, the thresholds h1 and h2 of the gradient value of the recognitiondata sequence are adaptively adjusted according to the gradient value of the wake-up sequence, and decoding errors caused by unreasonable threshold setting are avoided.

The embodiment of the invention discloses a germanium-silicon photoelectric detector, which is characterized by comprising a silicon slab waveguide layer, and a germanium absorption layer and a ridgewaveguide layer which are positioned on the silicon slab waveguide layer, wherein the germanium absorption layer comprises a first germanium absorption region and a second germanium absorption regionwhich are arranged at an interval; the ridge waveguide layer comprises a first waveguide region located between the first germanium absorption region and the second germanium absorption region; the ridge waveguide layer is used for receiving an optical signal and transmitting the received optical signal to the first germanium absorption region and the second germanium absorption region through thefirst waveguide region; and the width of the first waveguide region is narrowed along the transmission direction of an optical signal.

The present invention relates to an improved additive spread spectrum watermarking method, belonging to the field of multimedia security. Digital watermarking is an important tool for protecting multimedia copyright. The spread spectrum method is the most promising watermarking technology at present. Due to channel noise and main signal interference, existing watermarking algorithms have high bit error rate, failing to meet the requirements. Due to use of a structure characteristic of an Additive Spread Spectrum (ASS) watermarking decoder, a self-adjusting function is introduced to compensate main signal interference. The major innovative content is as follows: the present invention provides an improved ASS watermarking method. The improved ASS watermarking method has the same decoder as a traditional ASS watermarking method. For the noise-free condition, the improved ASS watermarking method generates no error code theoretically. For the noise condition, experiment results show that the improved ASS watermarking method can improve the decoding performance remarkably. The method is applicable to protecting the network platform-based digital multimedia copyright.

The invention discloses a data transmission method and a communication device, which can be applied to scenes such as Internet of Vehicles, unmanned driving, smart power grids, smart cities and the like. The method comprises the following steps: a sending device carries out cascading on all data units included in the transmission block according to the transmission block attribute information of the transmission block to be sent, the sending device sends the transmission block after data unit cascading, the transmission block attribute information comprises the number of times or redundant versions that the transmission block has been sent currently, and the data unit is an encoding block or an encoding block set. Thus, when the number of times that the transmission block is sent or the redundancy version is changed, a cascading sequence among the data units is correspondingly changed, so that diversity effect can be achieved to a certain extent, interference or damage degrees of the same coding block in different transmission processes are different, and retransmission efficiency and decoding performance are effectively improved.

The invention provides a signal capture method and device and a USB key. The signal capture method and device and the USB key are suitable for the technical field of voice communication. The method includes the steps that data streams sent by a mobile terminal are received, wherein the data streams include audio analog signals with different starting phase types; a rising edge capture mode and a falling edge capturing mode are started at the same time, synchronous heads in the audio analog signals are captured through the rising edge capturing mode, the captured synchronous heads are converted to generate first synchronous codes, the synchronous heads in the audio analog signals are captured through the falling edge capturing mode, and the captured synchronous heads are converted to generate second synchronous codes; whether the generated first synchronous codes and a preset synchronous node are the same or not is detected, if yes, the rising edge capturing mode is configured to capture the audio analog signals, or whether the generated second synchronous codes and the preset synchronous node are the same or not is detected, if yes, the falling edge capturing mode is configured to capture the audio analog signals.

The embodiment of the invention relates to an information decoding method and device, equipment and a medium, and the method is applied to a base station, and comprises the steps: obtaining initial scheduling information, decoding to-be-decoded information based on the initial scheduling information, and obtaining first decoding information, wherein the to-be-decoded information is information sent by the user equipment after coding uplink control information based on the initial scheduling information and multiplexing an uplink physical shared channel; if it is determined that both the first decoding information and the initial scheduling information are wrong, repairing the initial scheduling information to obtain target scheduling information; and decoding the to-be-decoded information based on the target scheduling information to obtain second decoding information. By adopting the technical scheme, the decoding error caused by the abnormity of the scheduling information in the existing scheme is solved, the decoding accuracy and reliability are improved, the robustness of the system is improved, lower application layer time delay is realized, and the performance of the system is further improved.

The invention relates to a digital circuit device for demodulation blind area processing of a high-frequency radio frequency identification chip. The device comprises a radio frequency data processingcircuit which uses a radio frequency output clock to carry out sampling processing on radio frequency output data, so that a time sequence relation between the processed data and a clock is relatively fixed; a radio frequency clock processing circuit used for carrying out logic operation on the radio frequency output clock by using the output signal of the radio frequency data processing circuit,and a processed output clock signal which effectively avoids glitch; and a combined output circuit which performs logic operation on the output data and the output clock according to the logic requirements of the demodulation digital circuit on the clock signal and the data signal, so that the output signal of the combined output circuit meets the logic requirements of correct decoding of the demodulation digital circuit. The time sequence relation of the output data and the output clock processed by the device is stable, burrs on the clock can be effectively avoided, the requirement for stable work of a subsequent demodulation digital circuit can be met, and therefore the blind area phenomenon of a high-frequency radio frequency identification chip is effectively avoided.