37 results about "Mobile relay" patented technology

Provided are a method of a source donor base station for controlling controls operation of a mobile relay, and an apparatus thereof. The method may include: transmitting a handover request message to a target donor base station; receiving, from the target donor base station, a handover response message which contains radio resource configuration information for at least one of a mobile relay and terminals served by the mobile relay; and controlling to indicate the radio resource configuration information to at least one of the mobile relay and the terminals.

To provide an automatic control signal transmission system based on a mobile repeater in which a repeater for each of a plurality of mobile devices is arranged, and a signal for controlling a light emitting device within a preset distance from the repeater according to set information is automatically transmitted to the light emitting device.SOLUTION: A method for automatically transmitting a control signal includes a step (S101) of generating a scenario including at least one or more libraries, a step (S105) of transmitting the generated scenario to an interlocked repeater, and a step (S109) of controlling the automatic transmission of a control signal including command data for activating a first library out of the transmitted scenario via the repeater such that the first library is executed. At least one repeater is placed on a predetermined mobile device and its position changes depending on the mobile device.SELECTED DRAWING: Figure 5

The application discloses a remote device screen projection interaction system, and relates to the technical field of interaction control. The system comprises a remote execution device, a control relay server, a mobile relay terminal and a display terminal. The remote execution device collects and encodes screen audio and video data, establishes a long connection with the control relay server and executes control instructions. The control relay server manages sessions, generates connection information, relays data and instructions. The mobile relay terminal scans a code to establish a two-way connection, collects near-end voice instructions and converts the voice instructions into structured control instructions, and relays audio and video data streams. The display terminal displays connection information and screen projection content. The scheme realizes convenient screen projection and natural interaction across networks through mobile relay and voice control, and improves remote collaboration experience.

The invention relates to the technical field of health monitoring, in particular to a foot multi-area temperature and humidity cooperative monitoring system and method for diabetic foot ulcer risk prediction.The intelligent sensing terminal is integrated with a distributed temperature and humidity sensor array, a motion sensing unit, a microprocessor and a first wireless communication module through a flexible circuit; the mobile relay terminal is internally provided with a second wireless communication module and a terminal application program, the cloud analysis platform is deployed with a time sequence database, an artificial intelligence analysis engine and a message push service, and the medical interaction terminal provides a visual interface for medical staff and patients. According to the system and the method, real early warning is realized, the accuracy and the reliability of risk assessment are improved, a complete collaborative closed-loop system is constructed, efficient energy management and excellent user experience are realized, long-term self-optimization and self-adaptive evolution capabilities are also realized, and the clinical value of the system and the method is continuously improved.

The invention provides a mobile relay protection state maintenance device and method, belongs to the technical field of circuit maintenance equipment, and solves the technical problems that an existing relay protection state maintenance device cannot supply power when used outdoors, and the relay protection state maintenance device is poor in convenience and safety during mobile power connection work. The mobile relay protection state maintenance device comprises a frame plate and a machine body fixedly installed on the surface of the frame plate. According to the invention, the machine body is arranged on the surface of the frame plate, so that the machine body can move through the moving wheels, and under the action that the bottom of the frame plate is connected with the power supply block through the bottom frame, the machine body and the power supply block move integrally, so that a user can move and use conveniently; under the effect that the machine body and the power supply block are in transmission connection with the power connection unit through the sliding block and the wedge-shaped block, when the sliding block drives the magnetic block to be connected with the fixed magnetic plate, accurate power connection of the machine body and the power supply block can be synchronously achieved.

The invention belongs to the technical field of high-speed rail communication, and discloses a method for optimizing an intelligent reflecting surface in high-speed rail communication based on discrete phase shift, which comprises the following steps of: constructing a high-speed rail millimeter wave communication system comprising a base station, the intelligent reflecting surface and a plurality of mobile relays; establishing a channel model of each channel in the high-speed rail millimeter wave communication system; deducing a received signal expression of each mobile relay by combining the channel model and the discrete phase shift of the intelligent reflecting surface, and calculating the reachable rate of each mobile relay; establishing a target function by taking minimization of the transmitting power of the base station as a target, and meanwhile, setting constraint conditions to construct an optimization problem; and jointly optimizing the transmission covariance matrix of the base station and the discrete phase shift of the intelligent reflecting surface, and solving an optimization problem through an alternate optimization algorithm to reduce the transmission power of the base station. By adopting the method provided by the invention, the power consumed by the base station is reduced on the premise of ensuring the communication quality of the mobile relay.

Provided are a communication method and a communication device. The method comprises: a core network device or an access network device determining that the load of a first mobile relay exceeds a first preset threshold, determining that the load of a second mobile relay is lower than a second preset threshold, and determining that the movement trajectory of the second mobile relay in a first time period is the same as the movement trajectory of the first mobile relay in the first time period; and controlling a terminal device to migrate from the first mobile relay with a larger load to the second mobile relay with a smaller load, so as to achieve load balancing between the mobile relays. Through load balancing between the mobile relays, the pressure of an individual mobile relay with an excessively large load can be relieved, and part of the pressure is transferred to a mobile relay with a smaller load, which is conducive to improving the performance of the mobile relay and the system throughput, and can avoid the terminal device frequently initiating cell reselection due to the change in the position of the mobile relay, thereby reducing the impact on normal communication of the terminal device.

The purpose of the present disclosure is to provide a relay control device capable of determining a movement position of a mobile relay station such that relay communication quality is improved. A relay control device according to the present disclosure controls a mobile relay station that relays wireless communication between first and second wireless stations. The relay control device executes: processing for acquiring position information of the first and second wireless stations; processing for selecting a plurality of positions as candidates for a movement position of the mobile relay station on the basis of the position information; processing for calculating, for the plurality of positions, a first communication quality between the first wireless station and the mobile relay station on the basis of the antenna pattern of the first wireless station; processing for calculating, for the plurality of positions, a second communication quality between the second wireless station and the mobile relay station on the basis of the antenna pattern of the second wireless station; processing for extracting, on the basis of calculation results for the plurality of positions, an area in which each of the first and second communication qualities satisfies a required value; processing for determining the movement position of the mobile relay station as a position within the area; and processing for moving the mobile relay station to the determined movement position.

To provide a communication controller and a mobile relay device for appropriately controlling a position of the mobile relay device.SOLUTION: A radio communications system for covering a non-sensitive area and an area in which satisfactory radio communication is impossible by using a relay device comprises a mobile relay device for relaying radio communication between a base station device and a terminal device at a position to which the mobile relay device is moved. The mobile relay device acquires radio quality information from respective terminal devices, acquires positional information from a reference terminal device, estimates a position of a target terminal device, estimates a position of the reference terminal device, compares the estimated position of the reference terminal device with an acquired actual measurement position to calculate a difference between the estimated positions, calculates an error of the estimated position of the target terminal device, corrects the estimated position of the target terminal device by using the error of the estimated position of the target terminal device, estimates average transmission rates of the target terminal device and the reference terminal device for each movement destination candidate position, decides a movement position, and moves to the decided movement position.SELECTED DRAWING: Figure 3

The utility model relates to the technical field of relay equipment, in particular to multifunctional industrial instrument relay equipment, which comprises a shell and two plugs, the side wall of the shell is rotatably connected with a rotating block, and the side wall of the rotating block is rotatably connected with an antenna. According to the utility model, through the interaction of the clamping rod and the clamping block, the plug can be fixed through the fixing structure after being inserted, the situation that the plug loosens or falls off in the process of moving the relay equipment and further affects the amplification condition of signals is avoided, the fan is driven to rotate through the micro motor in the shell, an air channel is formed in the shell, and the power consumption of the relay equipment is reduced. And through cooperation with the ventilation opening in the side wall of the shell, heat generated by operation of the relay equipment can be well transmitted out, so that the situation that the relay equipment cannot work due to high temperature is avoided.

A user equipment (UE) configured to transmit a registration request to a base station of a network, the registration request including access node (AN) parameters comprising an indication of whether the UE intends to operate as a mobile base station relay and receive a response to the registration request from the network. An access and mobility management function (AMF) configured to receive a message from a radio access network (RAN), the message comprising an indication of whether a user equipment (UE) intends to operate as a mobile base station relay and transmit a response to the message to the RAN.

A mobile relay station that moves in the air, the mobile relay station comprising: a waveform sampling unit that receives a signal transmitted from each of one or more transmission devices located on the ground and samples the received signal to thereby generate waveform data of the signal; a control unit that determines a down-sampling rate on the basis of predetermined criteria; a waveform data compression unit that down-samples, at the down-sampling rate determined by the control unit, the waveform data generated by the waveform sampling unit or waveform data obtained by frequency-shifting the waveform data; and a communication unit for a base station that transmits the waveform data down-sampled by the waveform data compression unit to the base station.　

This invention discloses a continuous data backhaul system and method based on a multi-node mobile relay network, comprising: acquiring the status information of each node and the link status information between nodes in the multi-node mobile relay network; dividing the continuous data stream into continuous data windows, and further dividing them into anchor data units and enhanced data units; constructing an encoding seed chain to generate encoded data symbols, and establishing a corresponding rank fingerprint for each data window; constructing a dual-track responsibility token to determine the primary responsible node and witness nodes, and triggering responsibility takeover upon failure; constructing a network topology map and inputting it into an improved EvolveGCN, determining the responsible node combination and performing token migration; generating data based on the token seed chain and rank fingerprint, and reassembling and restoring the data window at the receiving end. This invention achieves continuity and takeover capability in the data backhaul process in a multi-node mobile relay network by constructing an encoding seed chain, rank fingerprint, and dual-track responsibility token mechanism.

The invention relates to the technical field of electrical digital data processing, in particular to a non-contact information acquisition system for a moving target in a mine, which comprises a multi-mode sensing terminal layer, a self-adaptive communication networking layer and an intelligent data fusion processing center. In combination with dynamic networking of a multi-system base station and a mobile relay node, multi-source data fusion and target trajectory reconstruction are realized. The reliability, the coverage range and the positioning precision of underground moving target information acquisition can be improved, and meanwhile, the system power consumption and the deployment cost are reduced.

The application discloses a kind of cooperative monitoring adaptive step-by-step sprinkling irrigation control method, step one, topography gradient, slope direction are regarded as rigid constraint condition, the three-dimensional mapping relationship between remote sensing image pixel and ground sensor measuring point is established;Step two, unmanned aerial vehicle keeps relative ground fixed height flight along topographic contour line, while completing the real-time splicing and exponential calculation of multispectral image at airborne end, uploads the grid level data after fusion;Step three, slope direction radiation difference, evapotranspiration difference caused by mountain wind are regarded as model input feature, using online learning mechanism to update model parameters in real time, carry out adaptive adjustment of irrigation decision;Step four, upper layer carries out global path planning based on digital chassis, lower layer uses terrain adaptive synchronous control law to carry out local trajectory tracking;Step five, four-legged robot dog is used as mobile relay node, and moves to optimal position to forward instruction automatically in communication blind area.

This invention belongs to the field of emergency communication technology, specifically an integrated earthquake emergency communication and response system, comprising: a housing with a through-hole at the bottom and a protective mechanism inside; communication equipment mounted on top of the shock-absorbing mechanism; and an integrated air-ground communication and response platform, with the communication equipment serving as the core node and intelligent gateway on-site, integrated within the housing. This invention overcomes the unreliability of single-link communication by integrating multi-dimensional air-ground communication methods, significantly improving the robustness of communication support in complex and harsh environments. It can utilize drones as mobile relays and reconnaissance nodes to dynamically extend network coverage, effectively solving the "last mile" access problem and enhancing the perception and communication capabilities at the rescue site. It seamlessly integrates on-site information collection, communication transmission, intelligent analysis, and decision support, significantly improving the decision-making speed and response efficiency of earthquake emergency rescue.

A communication control method according to one aspect is used in a cellular communication system. The communication control method comprises a step of a user equipment transmitting a first connection request notification, indicating a request to connect to a mobile integrated access and backhaul (IAB) cell, to a base station. The communication control method also comprises a step of the base station, in response to receiving the first connection request notification, transmitting to the user device a first message including a first measurement configuration which allows the user equipment to designate the mobile IAB cell as a measurement target.

The invention provides a method for configuring a mobile relay node in a communications system wherein the method comprises the mobile relay node requesting location dependent configuration data from an infrastructure node of the communications system; the mobile relay station receiving from the infrastructure node said location dependent configuration data; and configuring radio transmission characteristics of the mobile relay node in accordance with the received location dependent configuration data.

This application discloses a sensor bandwidth allocation method, system, and device based on the Industrial Internet of Things (IIoT), relating to the technical field of IIoT. The method includes: acquiring the status information of each static sensor node, planning a movement path for a mobile relay device based on the status information, configuring a dedicated channel for the mobile relay device, and determining a reference service time window; during movement, generating a channel trigger command based on the real-time location and real-time movement speed of the mobile relay device and the reference service time window of the target service segment; generating a global network time slot scheduling strategy based on the activation timing of the dedicated channel; distributing the global time slot scheduling strategy to the static sensor nodes, and distributing the movement path and the reference service time window to the mobile relay device. This application improves the accuracy of response to spatially dynamic unbalanced loads.

The invention discloses a joint resource optimization method for enhancing communication and positioning services under the assistance of a relay. The method comprises the following steps: deploying communication and sensing integrated mobile relay equipment between a base station and a user; the relay device obtains state information in each scheduling period and quantifies the positioning performance index of each user; thirdly, constructing a joint optimization problem according to fairness or function guidance so as to maximize the comprehensive positioning performance of the system, and solving to obtain a power and spectrum resource allocation scheme; then, the relay equipment respectively completes data transmission and positioning parameter measurement in a communication stage and a sensing stage in a scheduling period; and finally, solving the position information of the relay and the user by adopting a cascade positioning mode based on a measurement result, and applying the position information and the like as key state information to resource optimization of the next period. The above steps are repeated, and the communication and positioning service is stably and efficiently enhanced.

A mobile relay apparatus includes a first signal reception unit, a storage unit, and a second signal transmission unit. The first signal reception unit receives a first signal transmitted by a first communication apparatus. The storage unit stores waveform data indicating a waveform of the first signal. The second signal transmission unit transmits a second signal indicating the stored waveform data at a timing at which communication with the second communication apparatus is possible. The second communication apparatus includes a second signal reception unit, a second signal reception processing unit, and a first signal reception processing unit. The second signal reception unit receives a second signal. The second signal reception processing unit receiving the second signal to acquire waveform data. The first signal reception processing unit receiving the first signal indicated by the waveform data to acquire data set in the first signal by the first communication apparatus.

The invention discloses a mobile relay auxiliary target positioning method based on semi-definite programming optimization, which relates to the technical field of high-precision positioning and mainly comprises the following steps: after a signal transmitted by a sensor in a positioning period is forwarded to a target through a mobile relay, the target reflects the signal and reversely returns the signal to the corresponding sensor through the same signal link; extracting the time delay of signal propagation and the measured value of the angle of arrival; reconstructing the time delay measurement model into a distance conversion model, and obtaining a linearization expression of the angle of arrival; constructing a constraint weighted least square problem including the position and speed of the mobile relay and the distance offset through a joint distance conversion model and a linearization expression; an auxiliary variable is added and finally converted into a semi-definite programming problem, and a preliminary estimation value is solved; and constructing a joint refined weighted least square problem based on the initial estimation value, and solving a final estimation value. According to the method, the target and the relay state are decoupled, and the positioning precision is improved by combining an SDP optimization algorithm with a combined refining process.

There is are provided methods and apparatus relating to layer 2 relaying and mobility using a sidelink interface, including a remote user equipment (UE) for use in a wireless communication network, the UE comprising: a device to network (D2N) entity, a device to device (D2D) entity, and control logic to: receive a service data unit derived from an IP packet direct the service data unit to the D2N entity for communication with an eNB using a Uu interface in a first mode of operation, and direct the service data unit to the D2D entity for communication with the eNB via a first relay UE using a sidelink interface in a second, relay, mode of operation.

A mobile relay device includes a first signal receiving section, a storage section, and a second signal transmitting section. The first signal receiving section receives a first signal wirelessly transmitted by a first communication device. The storage section stores waveform data showing a waveform of the first signal. The second signal transmitting section wirelessly transmits a second signal showing the waveform data stored in the storage section at a timing at which communication with a second communication device is possible. The second communication device includes a second signal receiving section, a second signal receiving processing section, and a first signal receiving processing section. The second signal receiving section receives the second signal. The second signal receiving processing section performs reception processing of the second signal to acquire the waveform data. The first signal receiving processing section performs reception processing of the first signal shown by the waveform data to acquire data set as the first signal by the first communication device.

A terrestrial UE may receive at least one of a PEI or a paging indication based on a configuration for a search space associated with the at least one of the PEI or the paging indication and transmit a message to a network node via an aircraft-based relay node based on the at least one of the PEI or the paging indication. The relay node may transmit the at least one of the PEI or the paging indication to the terrestrial UE or receive the at least one of the PEI or the paging indication from an NTN device. The relay node may receive the message from the terrestrial UE based on the at least one of the PEI or the paging indication and relay the message to the network node after receiving the message from the terrestrial UE.

The invention provides a disaster emergency communication system and a disaster emergency communication method. The system comprises a user equipment sensing layer, a ground relay network layer and a space-based backhaul link layer. The user equipment sensing layer comprises a plurality of user terminal equipment; the ground relay network layer is used for receiving user information sent by user terminal equipment; the ground relay network layer comprises a fixed relay station and a mobile relay station, both the fixed relay station and the mobile relay station are provided with dual-mode LoRa communication modules, and each dual-mode LoRa module has a single-hop mode and a multi-hop mode; the single-hop mode is used for communicating with user terminal equipment; the multi-hop mode is used for communicating with other relay stations in the ground relay network layer; the space-based backhaul link layer comprises a gateway relay station and a communication satellite, and the gateway relay station is configured to receive the user information transmitted by the ground relay network layer and send the user information to the command and dispatch platform through the communication satellite. Therefore, the problem of'information isolated island 'can be solved, and the communication reliability can be improved.

In an aspect, a communication control method is a communication control method used in a cellular communication system. The communication control method includes, at a parent node, broadcasting mobile relay node support information indicating that a mobile relay node that is movable is supported, and legacy relay node support information indicating both that the mobile relay node is supported and that a legacy relay node that is not movable is supported.

This invention belongs to the field of wireless communication technology, specifically relating to an integrated air-space-ground intelligent communication monitoring system for areas without public network signals. The system includes: ground-based sensing nodes deployed in specific areas for data acquisition and preprocessing; an airborne mobile relay platform mounted on an unmanned aerial vehicle (UAV) for monitoring, data aggregation, and wireless power replenishment; a space-based constellation backbone network composed of low-Earth orbit (LEO) satellites for constructing backhaul links; and a remote integrated control terminal. The airborne platform dynamically plans its path and performs wireless beam replenishment based on parameters such as the power levels of the ground nodes. When the airborne platform's power is insufficient, it can switch to a fixed base station to enhance coverage. This invention improves the system's lifespan and monitoring flexibility through three-layer air-space-ground collaboration and an on-demand wake-up power replenishment mechanism, achieving reliable backhaul of high-value information and flexible resource reuse in complex environments.

The invention discloses a multifunctional physiological parameter monitor based on Bluetooth. A blood oxygen monitoring module, a blood pressure monitoring module, a blood sugar monitoring module, a body temperature monitoring module and a PPG signal enhancement module communicate with a data processing unit through IO ports, an electrocardiogram monitoring module and a motion state monitoring module communicate with the data processing unit through SPI interfaces, and the data processing unit communicates with a mobile relay unit through Bluetooth. And the mobile relay unit communicates with the mobile phone client. Data collection of blood oxygen, blood pressure, blood sugar, body temperature, motion state and electrocardio is achieved through the blood oxygen monitoring module, the blood pressure monitoring module, the blood sugar monitoring module, the body temperature monitoring module, the motion state monitoring module and the electrocardio monitoring module, and PPG signals of the blood oxygen, the blood pressure and the blood sugar are enhanced in the PPG signal enhancement module, so that the measurement result is more accurate.

The invention discloses an unmanned aerial vehicle assisted Internet of Vehicles congestion control method based on a branch dual-depth Q network, and belongs to the technical field of Internet of Vehicles communication. According to the method, the load state of a network is sensed in real time through a Monitor module deployed in a base station, progressive intelligent switching is carried out between a traditional TCP Cubic algorithm and a branch double-depth Q network algorithm according to a congestion threshold, and both quick response during light load and accurate regulation and control during congestion are considered. According to the BD3QN algorithm, an action space is decomposed into two independent branches, i.e., a power regulation branch and an association decision branch, so that the decision complexity is greatly reduced, and the combined efficient optimization of the vehicle sending power and the association node is realized. Meanwhile, the unmanned aerial vehicle is introduced to serve as a mobile relay node, and local burst flow is dynamically shunted to relieve congestion. According to the method, the problem of network congestion caused by frequent topology change and burst traffic in a high dynamic environment of the Internet of Vehicles is effectively solved, the system throughput is remarkably improved, the transmission delay is reduced, and the utilization rate of network resources is optimized.