21 results about "Transmission throughput" patented technology

Embodiments are provided wherein a mobile device that is associated with a cellular system is configured to communicate with a second device that is associated with the cellular system subject to a time-varying, dispersive, multipath fading environment. The mobile device comprises an antenna system comprising a plurality of polarizations and a processor that is configured to reduce a cross-polarization interference caused by said time-varying, dispersive, multipath fading environment while the mobile device uses a first polarization and a second polarization of the plurality of polarizations to increase a transmission throughput of information and / or a reception throughput of information. The mobile device is further configured to perform operations including processing first and second signals received respectively on the first and second polarizations and to use a plurality of receive channel coefficients to perform first and second mathematical operations on the first and second signal, respectively.

This application belongs to the field of direct memory access control technology, specifically providing a direct memory access control method and system to reduce CPU interrupt handling load. The method mainly includes: acquiring the device list and historical transfer data of DMA devices, and establishing an initialization parameter set; performing feature extraction and classification sorting on real-time arriving direct memory access requests according to the initialization parameter set to obtain an ordered request group sequence; performing address continuity analysis and dynamic aggregation processing on the ordered request group sequence to obtain a transfer parameter set; and performing transfer progress prediction and interrupt sharing management based on the transfer parameter set to obtain an interrupt trigger control signal. This application effectively solves the problem in the prior art where, with the increase in the number of peripherals and the growth in transmission demand, a large number of independent requests directly lead to a surge in CPU interrupt handling load, ultimately significantly restricting data transfer throughput. It significantly reduces the CPU interrupt handling load, reduces its resource consumption, and makes the data transfer process more efficient.

The present application relates to a communication device, a control method of a communication device, a program product, and a storage medium, and provides a technique for appropriately allocating throughput. A communication device capable of relaying data acquired via a network to one or more other communication devices, the data communication device comprising: an acquisition mechanism that acquires information of a maximum throughput of the communication device; a connection mechanism that connects with the one or more other communication devices; and a decision mechanism that decides a transmission throughput of transmitting data to each of the one or more other communication devices based on the number of connections of the one or more other communication devices and the information of the maximum throughput.

To suppress deterioration in accuracy of prediction of a communication throughput. A video image distribution apparatus includes: a pixel shifting unit for changing pixel values of pixels in a captured video image when a volume of data after encoding the captured video image is small; an encoding unit for encoding the captured video image; a transmission unit for transmitting the encoded captured video image; and a prediction unit for predicting a communication throughput using an effective throughput of transmission of the captured video image.

Embodiments are provided wherein a mobile device that is associated with a cellular system is configured to communicate with a second device that is associated with the cellular system subject to a time-varying, dispersive, multipath fading environment. The mobile device comprises an antenna system comprising a plurality of polarizations and a processor that is configured to reduce a cross-polarization interference caused by said time-varying, dispersive, multipath fading environment while the mobile device uses a first polarization and a second polarization of the plurality of polarizations to increase a transmission throughput of information and / or a reception throughput of information. The mobile device is further configured to perform operations including processing first and second signals received respectively on the first and second polarizations and to use a plurality of receive channel coefficients to perform first and second mathematical operations on the first and second signal, respectively.

This invention discloses an adaptive multipath real-time streaming media transmission method based on LinUCB, comprising: constructing a real-time streaming media multipath transmission system; establishing a two-layer session message handshake and establishing multipaths; loading and initializing a model; transmitting streaming media data; adaptive transmission adjustment; calculating rewards and updating the model; and completing real-time streaming media transmission. The online learning method based on LinUCB in this invention can switch real-time video stream transmission strategies in a lightweight adaptive manner according to the dynamic network environment; the adaptive real-time streaming media transmission platform based on MPQUIC aggregates the bandwidth of multiple transmission paths, which can effectively improve transmission throughput and reduce the initial latency and rebuffering time of real-time streaming media transmission.

The present disclosure relates to an information processing method and device, a communication device, a communication system and a storage medium. The method is performed by a terminal and includes: receiving first information sent by a network device, the first information being used to indicate a first code word in a codebook, the codebook being a codebook corresponding to a number of antenna ports of the terminal for sending an uplink channel, and the number of antenna ports of the terminal for sending the uplink channel being 3; pre-coding the uplink channel according to the first code word; and sending the pre-coded uplink channel to the network device. The uplink transmission throughput is effectively ensured, and the problems of excessive complexity and cost are avoided.

This application discloses a method, device, and medium for multi-task UAV swarm spectrum resource allocation, relating to the field of UAV swarm spectrum resource allocation. The method divides the UAV swarm into multiple UAV groups, each group performing one task. The objective is to maximize the minimum transmission throughput of all UAV groups. A joint optimization algorithm for spectrum resources is applied to solve the objective function of spectrum resource allocation, yielding the optimal channel allocation and transmission power allocation solutions for the cluster leader UAV and each member UAV in each group. This invention simultaneously optimizes the channel allocation of the cluster leader UAV and member UAVs using a genetic algorithm within the joint optimization algorithm, and optimizes the transmission power of the cluster leader UAV and member UAVs using a convex optimization method within the joint optimization algorithm. This effectively improves the spectrum efficiency of the UAV swarm and ensures the fairness of UAV swarm transmission.

According to an embodiment, an electronic device may comprise at least one communication processor. The at least one communication processor may be configured to: establish, based on dual connectivity, a first connection based on a first radio access technology (RAT) and a second connection based on a second RAT; transmit first uplink data based on the first connection and transmit second uplink data based on the second connection, wherein a throughput corresponding to the second connection may be a first value; identify at least one first parameter associated with the first connection and at least one second parameter associated with the second connection; perform at least one operation for transmitting, based on the second connection, uplink (UL) data with a throughput less than the first value, based on the at least one first parameter satisfying a first condition indicating a good uplink channel state and that the at least one second parameter satisfying a second condition indicating a poor uplink channel state; and based on performing the at least one operation, transmit third uplink data based on the first connection and transmit fourth uplink data based on the second connection, wherein a throughput corresponding to the second connection may be less than the first value.

This invention provides a LoRa system based on intelligent reflective surface beamforming and index modulation, and a LoRa physical layer enhancement method. In this system, the transmitter includes at least: N k A LoRa node equipped with a single transmit antenna and a RIS with N passive reflective elements. The RIS is used to improve the wireless propagation environment by controlling the phase of each passive reflective element to achieve beamforming, maximizing the instantaneous signal-to-noise ratio under the active antenna combination, and improving bit error rate performance; the receiver includes at least N... R A LoRa gateway with multiple receiving antennas, where multiple receiving antennas at the LoRa gateway are used for indexed modulation, activating N antennas in each symbol period. R N of the receiving antennas k By using these individual antennas as information transmission entities to carry additional information, the transmission throughput is significantly improved. The LoRa physical layer enhancement method applied to this LoRa system improves the quality of received signals by controlling the wireless propagation environment through RIS beamforming, and cleverly utilizes the IM principle of multi-receiver antenna indexing to improve spectral efficiency, thus achieving both high transmission rate and high reliability.

The application provides a kind of unmanned aerial vehicle multi-hop relay covert communication method based on trajectory and power joint design, method includes: step 1: determine the definition of transmission rate of each hop relay link;Step 2: set the concealment constraint of each hop communication link from the perspective of monitoring unmanned aerial vehicle;Step 3: set the concealment constraint of each hop communication link from the perspective of communication unmanned aerial vehicle;Step 4: set the initial optimization problem of multi-hop relay unmanned aerial vehicle covert communication based on trajectory and power joint determination;Step 5: give more strict concealment constraint condition, rewrite initial optimization problem;Step 6: construct communication and optimization problem as discrete time Markov decision process, use C-MAPPO method to solve optimization problem.The covert relay algorithm based on multi-agent reinforcement learning proposed in the application can significantly improve the system covert transmission throughput under the condition of meeting the concealment constraint.

The present disclosure relates to an information processing method and device, a communication device, a communication system and a storage medium. The method is performed by a terminal and includes: receiving first information sent by a network device, the first information being used to indicate a first code word in a codebook, the codebook being a codebook corresponding to a number of antenna ports of the terminal for sending an uplink channel, and the number of antenna ports of the terminal for sending the uplink channel being 3; pre-coding the uplink channel according to the first code word; and sending the pre-coded uplink channel to the network device. The uplink transmission throughput is effectively ensured, and the problems of excessive complexity and cost are avoided.

A SPARK data locality optimization system in a KUBERNETES environment comprises a Spark driver module and a Kubernetes network plug-in module, wherein: the Spark driver module, according to a computing task request of a client, calls a system instruction to obtain a network address IP of HDFS and cluster related information and calculates data locality according to the network address IP information and then performs node allocation on the computing task; the Kubernetes network plug-in module receives the call of the Spark driver module and specifies the IP network address of the container where the computing task is located. The application improves the data locality of Spark in the Kubernetes environment by optimizing the Spark driver module and adjusting the network plug-in in the Kubernetes, can realize the identification of the HDFS data IP address by the Spark job, significantly reduces the network transmission throughput cost in the Spark task execution process, and further optimizes the job execution performance of Spark in the Kubernetes environment.

It provides technology for appropriately distributing throughput. [Solution] A communication device capable of relaying data acquired via a network to one or more other communication devices, comprising: acquisition means for acquiring information on the maximum throughput of the communication device; connection means for connecting to one or more other communication devices; and determination means for determining the transfer throughput for transferring data to each of the one or more other communication devices based on the number of connected devices and the information on the maximum throughput.

This disclosure relates to a method, apparatus, and storage medium for determining terminal capability information, and pertains to the field of communication technology. It is used to improve uplink transmission quality and system transmission throughput. The method includes: determining that the terminal supports simultaneous uplink multi-antenna panel transmission (STxMP); determining that the sum of the transmit powers of different antenna panels of the terminal under STxMP transmission is higher than the maximum transmit power determined based on the terminal's power level; determining the terminal's capability information, wherein the capability information indicates that the maximum transmit power of each antenna panel among the multiple antenna panels supports full-power transmission under STxMP transmission, the full power being determined based on the PA capability or power level of each antenna panel among the multiple antenna panels; and transmitting the capability information to a network device.

The application belongs to the technical field of data communication, and particularly relates to a packet loss retransmission and receiving method based on SACK. The method comprises a packet loss inference mechanism based on explicit notification and a packet loss positioning mechanism based on selective retransmission. The packet loss inference mechanism based on explicit notification is applied to a switch and aims to optimize packet loss processing in a data transmission process. The core of the mechanism is to adopt a solution of explicit packet loss notification to ensure that packet loss reporting is only performed under specific conditions. The packet loss positioning mechanism based on selective retransmission is applied to a receiving end and realizes effective management of lost data packets through accurate positioning. The application introduces the packet loss inference mechanism based on explicit notification and the packet loss positioning mechanism based on selective retransmission, avoids inaccurate packet loss detection and inefficient batch retransmission of a traditional scheme, realizes adaptive accurate retransmission and fast selective acknowledgement retransmission, and greatly increases network transmission throughput.

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.

This invention discloses an image protection method based on a parallel pixel fusion architecture and dynamic fractals. Addressing the technical pain points of existing solutions, such as high computational overhead and difficult hardware deployment, this method extracts image hash features to dynamically update the key, driving a discrete fractional-order dynamic system to generate random sequences. A parallel pixel fusion architecture is employed to achieve lossless dimensionality reduction and stitching of multi-channel pixels, completely overcoming the bottlenecks of computational frequency and execution efficiency from the ground up. Combined with sequence-driven fractal dragon curve execution for dynamic global scrambling, it achieves nonlinear anti-reconstruction for each image and track. Bidirectional cyclic XOR diffusion is used to completely truncate error propagation at the decryption end. This invention's fully discrete mechanism is natively compatible with hardware architecture logic, fully supporting edge computing, IoT terminals, and FPGA / ASIC chip-level parallel acceleration. While ensuring extremely high robustness in extreme environments, it significantly improves transmission throughput, providing a plug-and-play lightweight core security foundation for high-speed communication, medical imaging, and industrial interconnection scenarios.

The application relates to the technical field of quantum encryption communication, and discloses a data transmission security encryption system of a quantum encryption switch. A quantum channel characteristic acquisition module of the system acquires channel attenuation parameters and noise interference parameters of a quantum channel in real time; a quantum behavior prediction module generates quantum key distribution strategy parameters and quantum state modulation parameter ranges according to the parameters; a quantum state sequence generation module generates an optimized basic quantum state sequence by adopting quantum state compression coding technology in combination with real-time data transmission throughput requirements and channel load states; a quantum key stream adjustment module determines a key stream updating direction and an updating proportion coefficient, and recombines the basic quantum state sequence; and an entanglement phase synchronization module corrects an entanglement phase offset, so that the quantum key generation rate and the data transmission rate are dynamically matched. The system can improve the security, efficiency and stability of data transmission of the quantum encryption switch, and meets the high-security-level data transmission requirements.

The present disclosure provides a wireless connection method suitable for a multi-device system, where the multi-device system includes a first electronic device and a second electronic device, and the wireless connection method includes: determining, by the first electronic device, whether a network access device is available for single-band communication or multi-band communication; establishing a first wireless connection with the network access device in a first frequency band through the first electronic device; and when the network access device can be used for multi-band communication, establishing a second wireless connection with the network access device in a second band through the second electronic device, the transmission bandwidth of the first band being greater than the transmission bandwidth of the second band. By monitoring a plurality of data transmission quantities of a plurality of wireless connections between a plurality of electronic devices and a network access device, the multi-device system can arrange the plurality of wireless connections in appropriate frequency bands respectively when the plurality of data transmission quantities are changed. Therefore, the multi-device system and the wireless connection method have the advantages of optimizing system transmission flux and the like.

A communication device capable of relaying data acquired via a network to at least one another communication device, the communication device comprising: an acquisition unit configured to acquire information of a maximum throughput of the communication device; a connection unit configured to connect with the at least one another communication device; and a determination unit configured to determine a transfer throughput for transferring data to each of the at least one another communication device, based on a connected number of the at least one another communication device and the information of the maximum throughput.