1037 results about "Transmission performance" patented technology

The invention provides a data processing priority scheduling method for high-speed satellite communication and related equipment, which can effectively improve the transmission performance of a high-speed satellite communication system so as to adapt to differentiated requirements of various communication scenes. The method comprises the following steps: acquiring cross-layer state information; calling a strategy matrix, wherein the strategy matrix is used for defining weight coefficients of different data types under different network states and channel qualities; calculating a target priority score for the to-be-transmitted data stream according to the cross-layer state information and the strategy matrix; sequencing the target priority scores from high to low to obtain a sequencing result; scheduling transmission queues of the data streams for transmission according to a sorting result, and allocating cache transmission queues for the data streams with high priority scores; when it is monitored that the priority score of the new data stream exceeds a preset emergency threshold value, the new data stream is inserted into a cache transmission queue of the transmission queue, and back pressure control is carried out on data streams of other priorities.

According to the automatic driving data transmission scheduling method and device, the equipment and the readable storage medium, dynamic priority weights are generated in a mode of combining reinforcement learning and a rule engine, and bandwidth demand changes, historical transmission performance and queue occupation states of all sensors can be adapted in real time; the problem that a low-priority sensor cannot acquire the bandwidth at a high load is effectively avoided, and meanwhile, efficient utilization of bandwidth resources can be realized through dynamic weight adjustment when a high-priority sensor is idle, so that the bandwidth utilization rate in a vehicle-mounted multi-sensor data transmission process is remarkably improved; the real-time performance and reliability of data transmission required by automatic driving decision making are guaranteed, and then the overall performance of an automatic driving system is improved.

The embodiment of the invention provides a congestion control method and device, an RDMA network card and electronic equipment, and is applied to the RDMA network card of a sending end, and the method comprises the steps: responding to the received WQE, and based on the current sending rate, sending a data packet to a receiving end through an RDMA communication link; transmission performance characterization information of the RDMA communication link in a time window is determined, the transmission performance characterization information comprises the minimum round-trip time and the maximum transmission bandwidth, and the time window is set based on the determined last minimum round-trip time; updating the current sending rate based on the transmission performance characterization information; and sending the data packet to the receiving end through the RDMA communication link based on the updated current sending rate. By applying the scheme provided by the embodiment of the invention, the packet loss rate during data transmission between equipment based on the RDMA technology can be reduced.

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 invention discloses a cloud edge cooperative multi-channel converged communication control method and system, belongs to the technical field of wireless communication networks, and aims to improve the high efficiency, reliability and real-time performance of multi-channel converged communication in a complex scene. The method specifically comprises the following steps: constructing a hierarchical collaborative architecture of a cloud end and an edge end; the edge end collects network state parameters of various communication channels, outputs a channel quality evaluation value based on a time sequence prediction model, and performs multi-channel data transmission through an extended communication protocol when triggering channel switching; the edge end executes network parameter configuration, flow priority scheduling and running state data acquisition operation, and the cloud end generates a soft routing optimization instruction based on running state data and issues the soft routing optimization instruction to the edge end to execute and adjust network transmission performance parameters; and monitoring the container operation state and the equipment state of the edge end in real time, when a monitoring result is matched with a preset abnormal rule, generating alarm information by the edge end, returning the alarm information to the cloud end to generate a global security policy, and issuing the global security policy to the edge end to update the preset abnormal rule.

A broadband low-transmittance and high-absorption wave absorption and transmission integrated frequency selection surface comprises three wave absorption layers and two wave transmission layers which are sequentially stacked from top to bottom, and the three wave absorption layers are sequentially divided into an upper wave absorption layer, a middle wave absorption layer and a lower wave absorption layer from top to bottom; the two wave-transparent layers are sequentially divided into an upper wave-transparent layer and a lower wave-transparent layer from top to bottom; the multi-layer composite structure design is adopted, collaborative optimization of the wave absorbing performance and the wave transmitting performance is achieved by combining the two wave transmitting layers on the lower portion and the three wave absorbing layers on the upper portion, through organic combination of the upper layer structure and the lower layer structure, dual performance improvement of broadband wave absorbing and broadband wave transmitting is achieved, and a transition zone between a wave absorbing zone and a wave transmitting zone is greatly reduced.

The invention relates to the technical field of coal mine automation control, and discloses a coal flow windscreen wiper multi-device cooperative control method and system. The method comprises the following steps: obtaining an original environment data set of each sensor node in an underground environment, processing the original environment data set to obtain a communication quality index, calculating bandwidth demand change of each node in combination with historical transmission records of the nodes, and predicting a resource allocation proportion; when the current available network resources cannot meet the requirements, sorting the key data packets to obtain a priority transmission sequence; extracting high-priority data from the sequence, temporarily storing the high-priority data to a local cache unit, and determining the state of a buffer area; dynamically adjusting bandwidth allocation by adopting an intelligent optimization model, and updating communication resource configuration; and judging whether the resource configuration meets a load balance requirement, if so, sending a data packet through a wireless channel, determining a transmission performance index, and generating a resource management scheme of a next period. The cooperative work efficiency of multiple devices of the coal flow windscreen wiper in the high-dust and high-humidity environment is improved.

The invention relates to a movable disc pay-off system with a precise tension control function and a using method thereof, and belongs to the technical field of cable manufacturing equipment. The movable disc pay-off system comprises a rack, a tension system arranged on the rack, a winding displacement system, a centering device, a movable disc pay-off system and a control host; the tension system comprises a servo motor, a tension swing rod, a tension wheel, a balancing weight, a limiting roller, a tension detection guide wheel and a tension detector, an output shaft of the servo motor is in transmission connection with the tension wheel through the tension swing rod, the conductor sequentially bypasses the tension wheel and the tension detection guide wheel of the centering device to form an S-shaped path, and the tension detector is a wheel type pressure sensor. And the bearing seat is arranged on the tension detection guide wheel. According to the invention, high-precision tension control can be realized, the torque is dynamically adjusted through a closed-loop control algorithm and a servo motor according to the feedback of a tension detector, constant-tension pay-off is realized, stretching or outer diameter fluctuation of a superfine conductor is prevented, and the quality consistency and transmission performance of the cable are ensured.

The invention provides a link determination method and device, electronic equipment and a storage medium, and relates to the field of mobile communication. The method comprises the following steps: determining a target service type corresponding to service data of a terminal; determining a first prediction result based on the terminal state parameter and the network performance parameter of the first link, the first prediction result being used for indicating the transmission performance which can be reached when the first link transmits the service data of the target service type; determining a second prediction result based on the terminal state parameter and the network performance parameter of the second link, the second prediction result being used for indicating the transmission performance which can be reached when the second link transmits the service data of the target service type; and determining a target link from the first link and the second link based on the first prediction result and the second prediction result. According to the application, the selected target link can meet the service requirement of the target service type, so that the network service quality can meet the service requirement.

The invention discloses an autonomous management method for an optical network, and the method comprises the steps: collecting the physical layer state data of an optical channel through a plurality of sensing nodes in an optical transmission system; synchronizing the physical layer state data to a digital twin, and constructing and updating virtual mapping corresponding to the physical optical transmission system; in the digital twin, the transmission performance of the optical channel is evaluated and the future state of the optical channel is predicted based on the physical layer state data; according to the autonomous management method and system of the optical network provided by the embodiment of the invention, the operation and maintenance efficiency can be effectively improved by constructing an intelligent network management closed loop, and the manual intervention demand is reduced. The system has a prospective risk assessment capability, can avoid potential faults in advance, and significantly enhances the reliability of network operation. Meanwhile, the resource utilization efficiency is continuously improved through an autonomous optimization mechanism, and a powerful guarantee is provided for long-term stable operation of the optical network.

The invention provides a differentiated gating and resource reservation method and device for a 5G-TSN system. The differentiated gating and resource reservation method and device for the 5G-TSN system are used for solving the problem that end-to-end deterministic transmission performance cannot be guaranteed due to wireless air interface fluctuation and service competition in a 5G and TSN fusion network. The method comprises the following steps: a TSN controller identifies key network resources, performs gating compression and phase offset processing on the key network resources, generates an end-to-end plan containing a TSN stream expected transmission time slot, and sends the end-to-end plan to a 5G base station; after receiving, the base station reserves a protection TTI and pre-configures a resource block in TTIs outside the planned time slot; and when transmission abnormity occurs in the planned time slot, immediately starting the resource block to carry out remedial transmission on the TSN flow. According to the scheme, through cross-domain collaborative differentiated scheduling and redundant resource reservation, the end-to-end delay and jitter are remarkably reduced while the resource utilization efficiency is improved, and a reliable deterministic transmission guarantee is provided for high-priority services.

The invention discloses a rectangular waveguide sealing window structure for realizing broadband transmission, which belongs to a microwave signal detection device and comprises a first rectangular waveguide cavity, a second rectangular waveguide cavity and a rectangular dielectric block arranged between the first rectangular waveguide cavity and the second rectangular waveguide cavity, the first rectangular waveguide cavity comprises a first rectangular waveguide shell and two first stepped transition structures embedded into an inner cavity of the first rectangular waveguide cavity, and the second rectangular waveguide cavity comprises a second rectangular waveguide shell and two second stepped transition structures embedded into the second rectangular waveguide shell. The opposite side faces of the two first stepped transition structures and the two second stepped transition structures are provided with identical tooth-shaped steps, the second rectangular waveguide shell is further internally provided with an installation cavity communicated with the second I-shaped sliding groove, the two waveguide cavities are connected through screws, and the rectangular dielectric block is fixedly installed in the installation cavity. The vertically symmetrical multi-stage stepped impedance matching network provided by the invention realizes excellent transmission performance with low voltage standing-wave ratio in a wide frequency band, and is suitable for a millimeter wave system with high power and wide frequency band.

Methods and apparatus of monitoring artificial intelligence (AI) model in radio access network (RAN) are disclosed. The apparatus includes a receiver that receives a first configuration signalling for monitoring performance of one or more Artificial Intelligence (AI) models that are activated, and a second configuration signalling for reporting a result of the performance monitoring; a processor that generates a performance report of the AI models according to the first configuration signalling and the second configuration signalling; and a transmitter that transmits the performance report.

The invention discloses a cross-domain information distribution method and system for multi-link cooperative networking, and relates to the technical field of network communication, and the method applied to an information sending end comprises the following steps: obtaining a link quality prediction result of each data transmission link based on the computing power level of an information receiving end and the link quality prediction result of each data transmission link; and dynamically selecting a main transmission path and at least one backup path of cross-domain information from all data transmission links. And based on the link quality of the main transmission path, performing fragmentation processing and coding processing on the to-be-distributed data to obtain a plurality of to-be-distributed data packets. And transmitting the to-be-distributed data packet to an information receiving end through the main transmission path and the backup path, so that the information receiving end decodes and recombines the to-be-distributed data packet. According to the method, the stability, the real-time performance and the resource utilization efficiency of cross-domain information distribution for multi-link cooperative networking are effectively improved, and the transmission performance of cross-domain data transmission is remarkably improved.

The invention discloses an emergency communication system and method, and belongs to the field of emergency communication. The emergency communication method comprises the following steps of: acquiring a link performance parameter of a satellite communication link associated with an adjacent station node; based on the state information and the satellite communication link state of the local station node, executing at least one of the following scheduling operations on the service data: determining a first transmission performance index for transmitting data through the satellite communication link of the local station node, determining a first transmission performance index of a composite path from a wireless ad hoc network to the adjacent station node based on the state information, determining a second transmission performance index of a composite path from the wireless ad hoc network to the adjacent station node and transmitting data through a satellite communication link of the adjacent station node based on the state information, and selecting a forwarding path according to a comparison result of the first transmission performance index and the second transmission performance index; or, when the flow of the data to be transmitted meets the preset bandwidth aggregation condition, dividing the data to be transmitted into the first data part and the second data part.

The invention discloses a packaging structure, a packaging method and an electronic component, and relates to the technical field of semiconductors, and the packaging structure comprises a first chip, a second chip, a first electric connection part, a second electric connection part and a rewiring layer. Through the superposition cross layout of the first chip and the second chip, while the integration level is ensured, the wiring space is expanded by using the radial distribution of the non-overlapping area, and the coverage connection of the re-wiring layer is matched, so that the high-density interconnection is realized, and the parasitic inductance and parasitic capacitance are reduced; meanwhile, the signal transmission path is shortened through the combination of the cross layout and the rewiring layer, and the parasitic inductance and the parasitic capacitance are further reduced; besides, paths of different signals can be physically isolated through independent distribution of the non-overlapping areas, parasitic inductance and parasitic capacitance are further reduced, signal delay, reflection and coupling interference are reduced, and the problem of poor signal transmission performance caused by wiring limitation in traditional packaging is effectively solved.

Embodiments of this application are applied to the communication field, and provide a communication method and an electronic device. In a scenario in which operating frequency bands of Wi-Fi communication and Bluetooth communication overlap, an electronic device may obtain a first communication indicator threshold after determining that the electronic device meets a first preset condition, and then compare a latest communication indicator obtained in real time with the first communication indicator threshold, to determine whether the latest communication indicator meets a second preset condition. When the latest communication indicator meets the second preset condition, the electronic device may perform Wi-Fi communication through a first antenna and perform Bluetooth communication through a second antenna. In this way, interference between the Wi-Fi communication and the Bluetooth communication can be reduced, and good transmission performance can be maintained. This not only improves system flexibility, but also improves communication quality of the electronic device.

The invention provides a return difference measuring method and device of a gear transmission mechanism in a motor driving system. According to the return difference measurement method, the return difference measurement value is indirectly determined by identifying the critical point that the gear transmission mechanism starts to respond to the driving signal, the critical point marks that the gear transmission mechanism completes the change from the idle stroke state to the effective transmission state, and the return difference measurement value is calculated based on the position data before the critical point. The return difference measurement value is a comprehensive index which contains the comprehensive influence of the gear backlash, the elastic deformation of the transmission shaft and the static friction force and reflects the overall transmission performance of the system, so that the return difference measurement value which reflects the overall transmission performance of the system and is real and comprehensive is obtained through measurement according to the technical scheme of the invention. According to the method, the transmission lag characteristic of the system under the actual working condition can be represented more accurately, and a more reliable data basis is provided for subsequent high-precision motion control.

The invention discloses a smart city-oriented multi-modal data transmission optimization method. The method comprises the following steps of collecting and preprocessing multi-modal original data generated in a city; performing joint feature extraction by using an improved CorrNet network and outputting an importance label; collecting operation data and carrying out regular analysis on the urban network to generate network state information; the multi-modal features, the importance labels and the network state information are associated and analyzed, and a coding control instruction is generated; performing differential compression and coding processing on the multi-modal data to generate a to-be-transmitted data queue; path calculation and resource allocation analysis are carried out, and a scheduling control instruction is generated and implemented through a tabu search method; and generating and uploading a transmission performance evaluation result based on the feedback index and the network state information. According to the method, multi-modal feature extraction, differential coding and intelligent scheduling technologies are fused, efficient and reliable transmission of urban data is realized, and the method has the advantages of high accuracy, controllable time delay and high resource utilization rate.

The invention provides a satellite communication method and device, computer equipment and a storage medium, the method is applied to a satellite communication system, the satellite communication system comprises user equipment, a first modem, a second modem and a target server, and the method comprises the following steps: responding to a communication connection request of the user equipment to the target server; creating a satellite communication link between the user equipment and the target server through the first modem and the second modem; and performing data transmission control on the satellite communication link based on a dynamic bandwidth delay product window model and a BBRv2 congestion control algorithm. Based on the scheme of the invention, the transmission performance in a high-delay and high-error-code environment is remarkably improved while the transparent proxy of a satellite link is realized.

The invention discloses a special inspection device and method for the performance of a reactor core measurement cable, and the device comprises a detection box which is internally provided with a cable which can be connected with transmission detection equipment and is of a J-shaped structure; the method comprises the following steps: S1, installing a cable in a detection box, opening environment endowing equipment, and providing a high-temperature, high-pressure and high-radiation independent environment or composite environment for the cable in the detection box; according to the invention, the equipment simulates a reactor core composite environment by setting an environment, applies bending, torsion and tensile / compressive stress to the cable in cooperation with the mechanical strength detection structure, detects the mechanical strength dynamic characteristics of the cable in the composite environment, and detects the transmission performance of the cable in combination with the transmission detection equipment. The performance of the reactor core measuring cable can be comprehensively and truly detected, the reliability and the residual service life of the cable can be more accurately evaluated, and a reliable basis is provided for quality control and use of the reactor core measuring cable.

The embodiment of the invention provides a wafer-level chip packaging structure and electronic equipment, relates to the field of semiconductors, and aims to improve the transmission performance between chips. The wafer-level chip packaging structure comprises an adapter plate and a wafer-level chip. The adapter plate comprises a first rewiring layer and a second rewiring layer which are arranged in a stacked mode, the first rewiring layer comprises an optical interconnection channel, and the second rewiring layer comprises an electric interconnection channel. The wafer level chip is arranged on the adapter plate. The wafer level chip includes a plurality of device regions, each device region including at least one chip. Along a first direction parallel to the adapter plate, the chips in the two adjacent device regions are connected through an electric interconnection channel, and the chips in the two device regions at the two ends are connected through an optical interconnection channel. Along a second direction parallel to the adapter plate, the chips in the two adjacent device regions are connected through an electric interconnection channel, the chips in the two device regions at the two ends are connected through an optical interconnection channel, and the first direction and the second direction are crossed.

The invention relates to a hollow-core anti-resonance optical fiber with a polygonal supporting structure, which comprises an outer cladding and an inner cladding, the inner cladding is composed of anti-resonance structure units, the anti-resonance structure units are arranged at intervals along the circumferential direction of the inner wall of the outer cladding and are connected with the inner wall of the outer cladding, a fiber core is formed by a central cavity coated by the inner cladding, and the fiber core is connected with the inner cladding. The anti-resonance structure unit comprises at least two layers of anti-resonance tubes including an outer anti-resonance tube and at least one inner anti-resonance tube, and is characterized in that at least one polygonal supporting piece is arranged at the joint of the outer anti-resonance tube and the inner anti-resonance tube and the joint of the inner anti-resonance tubes and is used for adjusting the distance and the orientation between the anti-resonance structure unit and the fiber core. By adjusting and limiting the radial occupied distance of the polygonal supporting piece, the interval between the inner anti-resonance tube and the outer anti-resonance tube can reach a better interval, the hollow-core optical fiber keeps good structural characteristics after being drawn, and therefore the transmission performance of the hollow-core optical fiber is improved and optimized.

A ribbon fiber optic cable, comprising a cable core, a water blocking layer (4), a steel tape (5) and an outer jacket (6) which are sequentially arranged from inside to outside. The cable core comprises a flexible foamed subunit (1) and tight-buffered subunits. Each tight-buffered subunit comprises a TPU loose tube (2) and optical fiber ribbons (3). A gap is formed between the water blocking layer (4) and the steel tape (5). By using the TPU loose tubes (2), due to a tight-buffered thin-wall structure, the tight-buffered subunits have a small size, thereby increasing the space utilization of optical fibers in the loose tubes and the fiber packing density of optical fibers in the fiber optic cable, and achieving a large core diameter ratio. The cable core uses the flexible foamed subunit (1), and when the tight-buffered subunits and the flexible foamed subunit (1) are stranded, the flexible foamed subunit (1) made of a soft material provides protection for the tight-buffered subunits when the fiber optic cable is in use, thereby ensuring the transmission performance of the fiber optic cable. A gap is formed between the water blocking layer (4) and the steel tape (5), so that there is certain spacing inside the fiber optic cable, and a loose structure is achieved, reducing the impact of outer jacket shrinkage of the fiber optic cable on the TPU loose tube (2) and the optical fiber ribbons (3), and solving the problem of additional fiber attenuation during loose coiling and thermal cycling of the fiber optic cable.

The invention relates to a method for predicting nutation transmission time-varying meshing thermal stiffness of a double-arc spiral bevel gear, which comprises the following steps of: setting convective heat transfer coefficients of a gear meshing surface, a non-meshing surface and a gear end surface in an interaction module according to boundary conditions, and applying surface heat flow in a load module according to an obtained meshing area, so as to predict the nutation transmission time-varying meshing thermal stiffness of the double-arc spiral bevel gear. A heat transfer DC3D8R grid is selected as a grid type, and according to a boundary formula, a temperature field during meshing of the double-arc spiral bevel gear is finally calculated; in a Model of ABAQUS software structure simulation, a load module applies a predefined temperature field, a temperature field odb file is loaded into the Model, and structure simulation is carried out; according to the method, temperature field distribution and meshing characteristics can be combined, the time-varying meshing thermal stiffness of the nutation transmission double-arc spiral bevel gear can be accurately predicted, a theoretical basis can be provided for transmission performance evaluation and service life prediction of a gear pair, and important engineering value is provided for design and optimization of a high-performance gear transmission system.

The application discloses a kind of high-efficiency adaptive dynamic wireless power supply systems for wheel hub motor, battery is connected adaptive coupling transmission unit by vehicle-mounted power supply unit, the adaptive coupling transmission unit includes transmitting end and receiving end, the transmitting end dynamically adjusts output impedance according to control instruction, to match the load and coupling state of receiving end variation, the receiving end converts and outputs electric energy to wheel hub motor.The application completely cancels the physical high-voltage cable connection from the vehicle body to the rotating wheel, helps to improve the safety performance of vehicle, and improves the dynamic transmission performance and stability, can ensure the long-term reliable operation of power electronic elements in harsh environment, realizes prospective power regulation, avoids unnecessary energy waste, so as to improve the cruising range of whole vehicle.

The utility model relates to the field of moxibustion instruments, in particular to a self-control thread moxibustion device which is characterized by comprising a positioning frame, a rotating power output mechanism, a rotating rod, a pull rod and a moxa stick bracket, the rotating power output mechanism is arranged on the positioning frame, and one end of the rotating rod is fixedly connected with a power output shaft of the rotating power output mechanism; the moxa stick bracket can be arranged on the positioning frame in a horizontal sliding mode, the two ends of the pull rod are hinged to the other end of the rotating rod and the moxa stick bracket respectively, and the rotating power output mechanism can drive the moxa stick bracket to horizontally slide on the positioning frame in a reciprocating mode through the rotating rod and the pull rod. The power transmission structure is not prone to abrasion, aging and deformation affecting transmission performance after being used for a long time, and therefore it can be guaranteed that power transmission keeps high accuracy and stability for a long time, and then it can be guaranteed that moxibustion keeps high quality for a long time; and the components of the automatic-control first-line moxibustion device do not need to be disassembled and maintained frequently, so that the trouble of a user can be solved.

A double-lane millimeter wave vehicle networking safety transmission method, system, device and medium based on STAR-RIS, the method comprising: constructing a STAR-RIS assisted double-lane millimeter wave vehicle networking communication scene; based on the propagation characteristics of millimeter wave signals, combining the channel fading characteristics under the conditions of line-of-sight and non-line-of-sight transmission and the transmission and reflection functions of STAR-RIS, calculating the channel gain of the cascaded channel of the STAR-RIS assisted link; based on the random geometry theory, respectively calculating the probability density functions of the associated distances of the direct link, the STAR-RIS reflection link and the STAR-RIS transmission link; constructing a dynamic link association strategy supporting ternary selection; establishing a signal-to-interference-and-noise ratio model under three association modes; combining the physical layer security performance index definition, calculating the closed-form analytical expressions of the connection interruption probability and the secrecy interruption probability, and verifying the security gain of STAR-RIS; the present application has the advantages of effectively overcoming the half-space coverage blind area of the traditional reflective RIS, and improving the link connection reliability and physical layer safety transmission performance under the double-lane complex shielding environment.

The application relates to an optical signal transmission device. The optical signal transmission device comprises an optical emission module, an optical fiber connection module and an optical receiving module; the optical emission module is integrated on a silicon optical chip; the optical emission module comprises a modulator and a plurality of lasers; the modulator couples received electrical signals and optical signals emitted by the lasers; the modulated optical signals are sent to the optical fiber connection module; the optical fiber connection module sends the modulated optical signals to the optical receiving module; and the optical receiving module outputs to-be-recovered electrical signals based on the modulated optical signals. The optical signal transmission device can save chip manufacturing costs, realize high-bandwidth transmission, and balance transmission performance and costs.

The invention relates to an auxiliary information reporting method and system, a terminal and a computer readable storage medium. The auxiliary information reporting method comprises the steps that auxiliary information is reported to network side equipment based on a control element MAC-CE of a media access control layer, the auxiliary information is used for reference of uplink waveform switching of the network side equipment, and the auxiliary information comprises power related information. The terminal disclosed by the invention can report the terminal auxiliary information to the network in real time, so that the network equipment correctly schedules the waveform of the PUSCH, thereby ensuring the uplink transmission performance and improving the network coverage capability.