906 results about "Data rate" patented technology

The present disclosure relates to a communication scheme and system therefor for converging an Internet of things (IoT) technology with a 5th generation (5G) communication system for supporting a higher data rate after a 4th generation (4G) system. The present disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, or the like) based on 5G communication technology and IoT-associated technology. The present disclosure discloses a method of measuring and reporting interference in a wireless communication system.

The invention provides a multi-modal data feature alignment and optimization system and method based on an FPGA, and the system comprises an input buffer module which is used for receiving multi-modal data, carrying out the data processing, and optimizing the buffer depth configuration based on the modal number and the data rate; the space-time perception scheduler is used for extracting space-time characteristics of the multi-modal data and fusing the space-time characteristics according to dynamic weights; the self-adaptive matching kernel is used for mapping the multi-modal feature codes to a unified semantic space and ensuring semantic consistency; the reconfigurable feature compression unit is used for dynamically adjusting a compression ratio through tensor CP decomposition and controlling a reconstruction error based on a rank parameter; a self-calibration optimization mechanism is adopted, feature alignment errors are monitored in real time, mapping matrix parameters are dynamically adjusted through a gradient descent algorithm, and calibration frequencies are switched according to data distribution changes. Through the FPGA pipeline architecture and self-adaptive resource allocation, the calculation delay is reduced, and the throughput is improved.

The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method performed by an E2 node is provided. The method includes receiving a radio access network (RAN) intelligent controller (RIC) subscription request message from an RIC via an E2 interface, and the RIC subscription request message may include information indicating a network interface type.

Methods and apparatuses are described herein for configuration of background data transfers (BDTs) between local area data networks (LADNs). An apparatus may receive a message indicating a request from a user equipment (UE) for a data transfer of data originating from the UE. The apparatus may send, to a database, a request for subscription information associated with the UE and a policy profile associated with the UE to determine whether there is an existing BDT policy. The apparatus may receive, from the database, a response indicating whether there is an existing BDT policy that can be re-used. The apparatus may determine, based on the received response, a BDT policy for the data transfer and a LADN to service the data transfer. The apparatus may send, to the LADN via a radio access network (RAN) node, a notification message of an arrival time and data rate for the data transfer.

Disclosed is an LED driver circuit, a multi-wire communication device and a method for an LED display system. The device comprises a controller providing at least one of a configuration data packet, a brightness data packet, and a display data packet; the LED driver circuits, wherein the LED driver circuits are cascaded to provide a first data channel using first data ports and second data ports, the LED driver circuits are connected in parallel to provide a second data channel using third data ports. The device relays an enable signal or an address data packet stage by stage using the first data channel, transmit at least one of the configuration data packet, the brightness data packet and the display data packet in parallel using the second data channel. The number of the cascaded LED driver circuits can be infinite, the number of data wires is reduced, data rate is increased.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method and device for determining timing information.

The invention discloses a multi-antenna joint precoding Gbit wireless transmission system, which relates to the technical field of wireless communication and comprises a frequency spectrum channel acquisition module, a signal preprocessing module, a precoding joint optimization module, a transmission performance evaluation module and a closed-loop parameter control module. The spectrum channel acquisition module acquires signal data and evaluates a transmission bit error rate and a signal-to-noise ratio by using a spectrum analyzer; the signal preprocessing module performs denoising and normalization and constructs a channel model; the precoding joint optimization module dynamically adjusts precoding and suppresses bit error diffusion; the transmission performance evaluation module calculates a data rate and optimizes protocol design; and the closed-loop parameter control module dynamically configures system parameters to guarantee closed-loop optimization. According to the method, the transmission efficiency and the stability of a Gbit wireless transmission system are remarkably improved, a complex channel environment is effectively dealt with, the bit error rate is reduced, the data rate is improved, a transmission protocol is optimized, intelligent dynamic adjustment of system parameters is realized, and the optimal performance of a multi-antenna joint precoding technology is ensured to be exerted.

The invention relates to the technical field of antenna control, and discloses a control method for a leaky-wave antenna and a communication device. The method comprises the following steps: measuring the dispersion characteristic of the leaky-wave antenna, establishing a second-order nonlinear mapping relation between a propagation constant and a control voltage, and obtaining a dispersion control parameter group; reversely deducing the target beam directional angle to obtain a target propagation constant, and calculating an initial voltage value of each control unit in combination with the parameter group to form a voltage gradient control sequence; correcting the propagation constant of each unit by adopting a distance compensation algorithm, and recalculating to obtain distance self-adaptive voltage distribution data; and detecting a beam quality factor in real time, updating voltage distribution data through a gradient descent algorithm when the beam quality factor deviates from a target value, and outputting a control voltage sequence to drive each control unit. The leaky-wave antenna control method and device solve the problems that in an existing leaky-wave antenna control technology, the beam quality is reduced and the data rate is sharply attenuated during long-distance transmission, and the beam control precision and the long-distance transmission performance of the leaky-wave antenna in the terahertz frequency band are improved.

The disclosure relates to a communication technique that converges a 5th generation (5G) communication system for supporting a higher data rate after a 4th generation (4G) system with Internet of things (IoT) technology, and a system thereof. The disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart or connected car, healthcare, digital education, retail, security and safety related services, etc.) based on 5G communication technology and IoT-related technology. The disclosure relates to a wireless communication system and, more particularly, to a method and an apparatus wherein a User Equipment (UE) transmits Hybrid Automatic Repeat request Acknowledgement (HARQ-ACK) information to multiple transmission points, panels, or beams through an uplink for cooperative communication between multiple transmission points, panels, or beams.

A 5th generation (5G) or pre-5G communication system for supporting a higher data rate than previous 4th generation (4G) communication systems is provided. A switching circuit in a wireless communication system is provided. The switching circuit includes a first coil, a second coil electrically coupled to the first coil, a first switch electrically connected to the second coil, a third coil electrically coupled to the first coil, a second switch electrically connected to the third coil, and a control unit configured to control the opening or closing of the first switch and the second switch. The control unit can be configured to close the first switch and open the second switch to form a first path using the first coil and the second coil, and open the first switch and close the second switch to form a second path using the first coil and the third coil.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and equipment for handover are provided. The method includes informing, by a source base station, a source core network whether a direct data forwarding path is available, determining, by the source core network, whether to use direct data forwarding or indirect data forwarding, informing, by the source core network, a target core network of information of direct data forwarding, indirect data forwarding or data forwarding being not possible, informing, by the target core network, a target base station of the information of direct data forwarding, indirect data forwarding or data forwarding being not possible, and allocating, by the target base station, tunnel information for data forwarding.

The present invention relates to a system and method for audio, video and data communication using the human body or any other medium as a channel using techniques which benefits from the presence of the human body or the medium. The system comprises a transmitter and a receiver that communicate with each other by utilizing the properties of the human body to enhance signal strength and data rate. The frequencies used for communication may range from 0.1-200 MHz and may employ a variety of modulation schemes, including pulse-based, spread-spectrum, time-domain, and amplitude, phase, and frequency modulation. The communication may be digital or analog and may use single or multi-bit / symbol modulation. The system provides for efficient, secure, and reliable communication that does not require line-of-sight transmission or the use of traditional communication channels. The system finds applications in various fields, including, but not limited to healthcare, military, and entertainment industries.

Systems and methods for supporting multiple data rates are presented. A method includes generating a clock signal from a clock source, serializing, by an analog serializer, a data stream in response to the clock signal to output N data in parallel, coupling a pulse generation circuit to the clock signal, wherein a first switch and a second switch electrically communicate with the pulse generation circuit, and coupling a multiplexer to the pulse generation circuit, wherein the multiplexer receives the N data from the analog serializer and selects a subset of the N data when switching operation of the electronic circuit from a first mode to a second mode.

A display driving device includes a low-speed communication circuit configured to receive configuration data at a first data rate in a first mode; a high-speed communication circuit configured to train a communication clock signal for communication at a second data rate in a second mode, to receive image data and first control data using the communication clock signal in a third mode, and to receive second control data using the communication clock signal in a fourth mode; a control circuit configured to switch the first mode to the second mode upon completion of the first mode, to switch the second mode to the third mode upon completion of the second mode, to switch the third mode to the second mode when an abnormal state is detected in the third mode, and to switch the fourth mode to the first mode when an abnormal state is detected in the fourth mode; and a circuit configured to control pixels of a display panel to be driven according to the image data, thereby easily managing operation modes of a data driving device and a data processing device and minimizing a recovery time when an error occurs.

A 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data rate than a beyond 4th generation (4G) communication system, such as long-term evolution (LTE) is provided. An electronic device performs interleaving on codeword bits, according to a polar code sequence corresponding to the codeword bits, allocates the interleaved codeword bits respectively to blocks, and transmits at least one symbol generated as a result of performing modulation on the interleaved codeword bits for each block, based on the allocation, on at least one resource block corresponding to each of the blocks.

The invention discloses a transmission type communication system and method based on low-frequency carrier waves and high-frequency modulation. The transmission type communication system and method are suitable for complex medium environments such as deep sea, strata and biological tissues. Aiming at the contradiction that the traditional low-frequency communication bandwidth is insufficient and the high-frequency communication penetrating power is poor, according to the scheme, a low-frequency carrier wave (30Hz-100kHz) and a high-frequency modulation signal (such as OFDM (Orthogonal Frequency Division Multiplexing) and 256QAM (Quadrature Amplitude Modulation)) are fused through a nonlinear signal superposition technology to generate a composite carrier wave signal, long-distance penetration is realized by utilizing the low attenuation characteristic of the low-frequency carrier wave, and meanwhile, the data rate is improved through high-frequency modulation. Application scenes comprise deep sea detection (300-meter high-definition video return), a brain-computer interface (implantable antenna transmission neural signal) and an intelligent power grid (underground pipe network monitoring). Through the physical layer-information layer collaborative design, the physical boundary limitation of traditional communication is broken through, and high penetrability, high bandwidth and strong anti-interference capability are achieved.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment of the present disclosure, a method of a terminal in a wireless communication system includes: receiving system information including a first parameter set for a random access of a type 1 terminal, a second parameter set for a random access of a type 2 terminal, and an indicator indicating whether the type 2 terminal is supported; in case that the terminal is the type 2 terminal, identifying whether a cell on which the system information is transmitted is available to access based on the indicator; and in case that the cell is identified to be available to access, transmitting a random access preamble based on the second parameter set, wherein a bandwidth supported by the type 2 terminal is less than a first threshold value and a data rate supported by the type 2 terminal is less than a second threshold value.

A mobile communication device includes a first physical layer circuit powered by a first power supply and configured to communicate first frames of data over a first serial bus to a display controller in a high-speed mode and to refrain from communicating over the first serial bus when the display controller is operated in a low-power mode, a second physical layer circuit powered by a second power supply and configured to communicate second frames of data at a second data rate over a second serial bus to the display controller in the low-power mode, a first processor powered by the first power supply and configured to generate the first frames of data, and a second processor powered by the second power supply and configured to provide the second frames of data to the second physical layer circuit when the display controller is operated in the low-power mode.

Methods, systems, and apparatus for mobile satellite beam resource allocation are described. Communication services may be provided to a mobile terminal via respective beamformed spot beams that track movement of the mobile terminal. The central server may perform resource element allocation by determining, for a repetitive period of time, an interference event associated with a beam for a current period of time; determining a resource element to be associated with an interference beam for a next time period; and directing the beam to a reallocation of the resource elements for the next time period. Each beam may be allocated to one or more resource elements based on a number of mobile terminals within a coverage of the beam or a desired data rate of the mobile terminals. The power associated with the resource element may be adjusted based on a data rate or user demand associated with the mobile terminal.

A communication device with a dynamic data rate adjusting mechanism and a dynamic data rate adjusting method thereof are provided. The communication device includes a first transceiver path circuit, a second transceiver path circuit and a controller. The controller executes first determination to determine whether one or more channel interference effects exist between a first signal transmitted on a first channel and a second signal transmitted on a second channel, and generate an interference determination result. The controller further executes second determination to determine whether communication between the communication device and the second linked device on the second channel should be executed through the first transceiver path circuit or the second transceiver path circuit, and whether to adjust the data rate of any of the first channel and the second channel according to the interference determination result, and executes corresponding controls according to a result of the second determination.

This application relates to a physical layer protocol data unit (PPDU) transmission method and an apparatus. The method includes: sending a PPDU with a physical layer header (PHR) field including two parts, one part indicates a data rate of the other part. According to embodiments of this application, demodulation performance of the PHR field can be improved, and transmission duration can be reduced. This application is applied to a ultra-wideband (UWB)-based wireless personal area network (WPAN) system, a sensing system, and the like, including 802.15 series protocols, for example, the 802.15.4a protocol, the 802.15.4z protocol, or the 802.15.4ab protocol. This application is further applied to a wireless local area network system that can support 802.11 series protocols such as a next-generation Wi-Fi protocol of 802.11ax like 802.11be, Wi-Fi 7, or EHT, and a next generation of 802.11be like Wi-Fi 8.

The disclosure relates to a communication technique for fusing a 5G communication system with IoT technology to support higher data rate after the 4G system and a system thereof. The disclosure may be applied to an intelligent service (e.g., smart home, smart building, smart city, smart or connected car, healthcare, digital education, retail, security and safety related services, etc.) based on 5G communication technology and IoT-related technology. The disclosure discloses a method for allowing a UE to normally receive a MBS service in various scenarios.

The invention provides a single-photon detector gating signal generation system and generation method. The system comprises a bias voltage source; the gating circuit is provided with a first sine branch and a second sine branch, the first sine branch is configured to output a first sine voltage signal, and the second sine branch is configured to output a second sine voltage signal; the frequency of the first sinusoidal voltage signal is greater than that of the second sinusoidal voltage signal; the second sinusoidal voltage signal, the first sinusoidal voltage signal and the bias voltage signal are matched to generate a gating signal acting on the avalanche photodiode; based on the period of the first sinusoidal voltage signal, the gating signal has an amplitude greater than a preset value in a continuous first number of periods, and the gating signal does not have an amplitude greater than the preset value in a subsequent continuous second number of periods. The generated gating signal can accelerate the carrier removal process from the physical mechanism level, the post-pulse probability is suppressed, the required dead time is effectively shortened, and the data rate of the detector is further improved.

A method of operating an optical Fourier transform 'OFT' apparatus, the OFT apparatus comprising N input channels and K output channels, the method comprising: quantising the light at the input channels to form a quantised output at each output channel.

The disclosure relates to a communication technique and system for combining an IoT technology with a 5G communication system for supporting a higher data rate than a 4G system. The disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail business, security and safety-related service, and the like) on the basis of a 5G communication technology and an IoT-related technology. The disclosure provides a method and apparatus for effectively performing a header compression or decompression procedure in a next-generation mobile communication system.

A clock circuit, a receiver, and a passive optical communication network system are disclosed. The clock circuit is applied to a receiver in a passive optical communication network and is configured to adjust the clock frequency of an output clock signal based on a transmission protocol, the clock circuit comprises at least one clock path and a frequency divider, and the at least one clock path comprises a first clock path; wherein the first clock path receives a reference clock signal from the first phase-locked loop circuit and a control signal from the clock data recovery circuit, and interpolates a conversion signal of the reference clock signal by using the reference clock signal so as to output a multi-phase clock signal; and the frequency divider receives the multi-phase clock signal and performs frequency division on the multi-phase clock signal based on a preset frequency division value, and the preset frequency division value is determined based on a transmission protocol. The clock circuit can be compatible with fast clock switching schemes of data rates of different PON protocols, so that the adaptability and the locking performance of a receiver in a burst mode are improved.

Described apparatuses and methods provide automated error correction with memory refresh. Memory devices can include error correction code (ECC) technology to detect or correct one or more bit-errors in data. Dynamic random-access memory (DRAM), including low-power double data rate (LPPDR) synchronous DRAM (SDRAM), performs refresh operations to maintain data stored in a memory array. A refresh operation can be a self-refresh operation or an auto-refresh operation. Described implementations can combine ECC technology with refresh operations to determine a data error with data that is being refreshed or to correct erroneous data that is being refreshed. In an example, data for a read operation is checked for errors. If an error is detected, a corresponding address can be stored. Responsive to the corresponding address being refreshed, corrected data is stored at the corresponding address in conjunction with the refresh operation. Alternatively, data being refreshed can be checked for an error.

The disclosure provides a link equalization training method for a mobile device, comprising: setting to start-up link; performing a first power mode change to change a link rate to a first data rate; performing link equalization training on a receiver of a second node in response to a plurality of training sequences from a first node; when link equalization training in the receiver of the second node is not completed and there is no any error event, making a decision mechanism to perform link equalization training in the receiver of the second node; when link equalization training in the receiver of the second node is not completed and there is any error event, making the decision mechanism to reset for start-up link; and when link equalization training in the receiver of the second node is completed, setting link-up in the first data rate for data transfer.

The invention provides a 200GE service data transmission method based on 224G high-speed SerDes, a chip and a communication system, and the method comprises the steps that a PCS sending module carries out PCS sending processing on obtained upstream data to obtain first PCS data; the PCS sending module sends first PCS data to the PMA sending module through the rate increasing module according to the first PCS clock rate and the first PCS data bit width; the rate increasing module determines first clock information according to the first PMA data bit width, the first PMA clock rate, the first PCS clock rate, the first PCS data bit width and the set bandwidth so as to increase the first PCS clock rate; the PCS sending module sends first PCS data according to the first PMA data bit width and the improved first PCS clock rate; the PMA sending module processes the first PCS data and sends the first serial data. The method can be applied to the fields of internet access and related services, the alignment mark insertion process is avoided so as to improve the sending rate of the PCS layer, and the PMA state frame is introduced so as to accelerate link convergence and improve link stability.

The invention discloses an SERDES verification method and device, and the method comprises the steps: obtaining a protocol type and a configuration mode supported by a to-be-tested SERDES, generating a first compiling simulation script according to the protocol type, and enabling the script to comprise the clock frequency, the data rate, the parameter configuration of a coding mode, the generation rule of simulation excitation, and a result output path; based on the test requirement and the protocol type, a test top layer file and a file list are determined, and the file list comprises paths of the to-be-tested design file and the test excitation file; calling a script, executing first compiling simulation, and generating a waveform file and a log file; switching to a second protocol type, updating the test top layer file and the file list, and generating a second compiling simulation script; executing secondary compiling simulation to generate a waveform file and a log file corresponding to the second protocol; the log file is analyzed, the bit error rate, the function coverage rate and the time sequence violation are counted, and a comprehensive test report is generated. The method can accelerate the verification speed and reduce the development time.