93 results about "Mobile relay" patented technology

The invention discloses a positioning method and system combining mobile relay and backscatter communication, and the method comprises the steps: enabling a mobile relay bidirectional wireless charging source in a mobile high-power radio frequency network to be located on the same straight line with two passive sensor nodes in the high-power radio frequency network, solving a receiving signal of the mobile relay bidirectional wireless charging source; according to the positions of the two passive sensors and the mobile relay two-way wireless charging source, the coordinates of the high-power radio frequency charging source are solved through dimensionality reduction and serve as a positioning point, and the coordinates of a to-be-positioned target are solved based on the positioning point; interference elimination is carried out on a received signal of a mobile relay bidirectional wireless charging source in backscatter communication under the high-power radio frequency network; and a high-power radio frequency charging source is used as a sensing positioning node. According to the invention, the communication quality of backscattering under a high-power radio frequency network can be improved, the positioning of the power supply can be quickly realized, and the sensor coverage range of the mobile relay two-way wireless charging power supply is expanded.

Embodiments herein disclose methods and systems for providing network control for MBSR behaviour in wireless communication networks. Embodiments herein disclose methods and systems for the HPLMN / EHPLMN or the serving / registered PLMN or any PLMN in any of the UE's preferred lists to selectively control the UE behaviour to either act as a normal UE or as a UE (MBSR) based on either the PLMN serving the UE or the location of the UE. Embodiments herein disclose methods and systems for the HPLMN to control / prioritize / restrict certain PLMN(s) for UE, to operate as UE (MBSR), over other PLMN(s). Embodiments herein disclose methods and systems for determining which UEs are allowed or not allowed to operate as a MBSR UE (with mobile relay operation) in specific areas / PLMNs / geographical locations / TACs / TAIs.

A wireless transmit / receive unit (WTRU) may receive configuration information that may indicate one or more parameters for operating as a WTRU-to-network mobile relay. The parameters may include a first reference signal power (RSRP) threshold and / or a second RSRP threshold. The WTRU may perform an RSRP measurement of a serving cell to determine an RSRP value. The WTRU may determine whether to indicate support for one or more of a single-path operation and a multi-path operation in a sidelink discovery message based on the RSRP value. The WTRU may indicate support for the multi-path relay operation based on the RSRP value satisfying the second RSRP threshold. The WTRU may indicate support for the single-path relay operation based on the RSRP value satisfying the first RSRP threshold. The WTRU may transmit a sidelink discovery message indicating support for a single-path relay operation and / or a multi-path relay operation based on the RSRP value.

A method can include sending, by a first wireless device to an access and mobility management function (AMF) via a mobile base station relay (MBSR), a registration request message requesting a first network slice and a second network slice. The MBSR can include a base station distributed unit and a mobile terminal unit connecting to a base station central unit via a Uu interface. The MBSR can support mobility within a network and can broadcast an indication of a mobile relay cell. The method can also include receiving, from the MBSR, a registration accept message indicating the first network slice being allowed and the second network slice being rejected. The method can further include receiving, from the MBSR, one or more messages indicating a tracking area change of the MBSR, the second network slice being supported, and the first network slice being rejected.

Methods, systems, and devices for wireless communications are described. In some examples, a control node may receive, from a movable relay node, a capability message indicating a set of operational parameters for the movable relay node. The control node may determine a location for the movable relay node based on the capability message and may transmit, to the movable relay node, a location message indicating the determined location. The movable relay node may change locations or reconfigure one or more relay devices (e.g., reconfigurable intelligent surfaces) of the movable relay node based on the location message. Accordingly, the control node may use the movable relay node to relay messages between the control node and a second node, which may increase the likelihood of successful communications between the control node and the second node.

Systems, methods, and instrumentalities are disclosed for a WTRU to act as a mobile relay, the method comprising the WTRU connecting to the network, the WTRU receiving a message from the network indicating that the WTRU is to act as a mobile relay for one or more devices outside of the coverage of the network, the WTRU discovering one or more devices outside of the coverage of the network, and the WTRU receiving a message from the out-of-coverage device that indicates that the out-of-coverage device has selected the WTRU to act as a mobile relay.

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.

A communication control apparatus has: a movement information acquisition unit that acquires movement information concerning the movement of a relay station that can communicate with a base station and expand the communication cell provided by the base station; an expansion cell selection unit that selects a communication cell to be expanded by the moving relay station based on the movement information; and a connection control unit that connects the relay station to the base station that provides the selected communication cell. The relay station is installed to a movable vehicle.

A communication method and apparatus, and a computer-readable storage medium are provided. A first access network device sends, to a first relay device, first indication information indicating whether access of a mobile relay device is allowed. When the first relay device is a mobile relay device, the first relay device sends an access request to a second access network device that allows access of a mobile relay device, so that a mobile relay device initiates an access request to an access network device that allows access of a mobile relay device, ensuring normal access of the mobile relay device.

A communication method and a related apparatus are provided. The method includes: An LMF serving a terminal device receives measurement data of a first positioning procedure, where the measurement data includes information about a first cell, the first cell is a cell of a mobile relay with mobility; obtains first information associated with the mobile relay; sends a first request message based on the first information, where the first request message is used to trigger a second positioning procedure for the mobile relay; receives location information of the mobile relay, where the location information of the mobile relay is determined based on the second positioning procedure; and determines a location of the terminal device based on the location information of the mobile relay and the measurement data of the first positioning procedure. This helps accurately calculate the location of the terminal device.

A communication method and a related apparatus are provided. The method includes: after determining that the cell accessed by the terminal device is a cell of the mobile relay, a first access network device proactively reports current location information of the mobile relay to the core network device serving the terminal device, so that the core network device determines the location information of the terminal device based on the location information of the mobile relay. This resolves a problem that cell information of the mobile relay may not match an actual geographical location of the terminal device.

Certain aspects of the present disclosure provide techniques for dynamically updating a forwarding configuration of a mobile relay. An exemplary method for wireless communication at a relay includes modifying forwarding behavior based on a change in channel conditions of a communication link between the relay and a network entity; and forwarding one or more communications between the network entity and a user equipment (UE) according to the modified forwarding behavior.

A communication control method according to one aspect is a communication control method used in a cellular communication system. The communication control method includes transmitting, at a mobile relay node configured to migrate from a source donor node to a target donor node, an F1 setup request message for requesting establishment of F1 connection to the target donor node in response to reception of a predetermined message from the source donor node. Here, the predetermined message is a message representing one of a new establishment request of F1 connection for the target donor node and a migration indication to the target donor node.

The invention discloses a data transmission method for a smart agriculture mobile scene in the technical field of wireless communication, and the method comprises the steps: a ground base station at a base station transmits a signal to an unmanned aerial vehicle cluster relay communication system, and the unmanned aerial vehicle cluster relay communication system receives the signal and forms a virtual antenna array; an unmanned aerial vehicle cluster relay communication system reconstructs an optimized beam, and parameter optimization is performed on the communication system by adopting an APSSA-PSO algorithm, so that stable connection of communication between smart agricultural machinery in an agricultural operation scene is ensured. And the unmanned aerial vehicle cluster relay communication system performs beam reconstruction based on an optimization result, determines the number of nodes and the optimal position of the unmanned aerial vehicle cluster, and then generates distributed cooperative beam forming through a virtual antenna array to transmit data with ground agricultural equipment. According to the invention, the unmanned aerial vehicle is used as a mobile relay node, so that the problems of insufficient long-distance signal coverage in an intelligent agriculture scene and unstable transmission during node movement in a traditional wireless communication technology are solved.

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 invention provides a communication method and a communication device, and the method comprises the steps: releasing a first terminal device to a non-connection state, the first terminal device being a terminal device managed by a mobile relay node, the mobile relay node being connected with a first host node; first information is sent to a first network element, the first information indicates to determine whether the first network element and a second host node are reachable, the second host node is a host node to be connected with the mobile relay node, and indication information indicating to determine whether the first network element and the second host node are reachable is sent to the first network element. According to the embodiment of the invention, the first network element can page the first terminal device in time under the condition that the first network element is determined to be inaccessible to the second host node.

The invention discloses a UWOC system optimal relay position determination method based on an AUV relay in a complex marine environment, and belongs to the technical field of underwater wireless optical communication. According to received signals of a UWOC system at a relay node and a destination node in a complex ocean fading environment with underwater obstacles, an average outage probability mathematical expression Pout (psi s, psi d) of a two-hop UWOC system working in an R-space for AUV relay is solved, namely, the system outage probability is a binary function of a source elevation angle psi s and a destination elevation angle psi d. And calculating a change curve of Pout (psi s, psi D) along with the target elevation angle psi d in a mode of fixing the source elevation angle psi s, and searching the psi d corresponding to the minimum value of the outage probability of the system, so as to obtain the optimal relay position of the AUV corresponding to different source elevation angles psi s. According to the method for determining the optimal relay position of the UWOC system based on the AUV relay provided by the invention, a strategy of optimal position layout can be carried out on the AUV mobile relay node on a communication link with direct path obstacles and complex ocean fading, so that reference is provided for upper network planning of the system.

The present invention discloses a data transmission method for smart agricultural mobile scenarios in the field of wireless communication technology, comprising a ground base station at a base station transmitting a signal to a drone cluster relay communication system, the drone cluster relay communication system receiving the signal and forming a virtual antenna array, the drone cluster relay communication system reconstructing and optimizing the beam, and using the APSSA-PSO algorithm to optimize the parameters of the communication system to ensure a stable connection between smart agricultural machinery in agricultural operation scenarios. The drone cluster relay communication system performs beam reconstruction based on the optimization results, determines the number of nodes and the optimal position of the drone cluster, and then generates distributed collaborative beamforming through the virtual antenna array to transmit data to ground agricultural equipment. The present invention solves the problems of insufficient long-distance signal coverage and unstable transmission when nodes move in traditional wireless communication technologies in smart agricultural scenarios by using drones as mobile relay nodes.

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.

In an aspect, a communication control method is used in a cellular communication system. The communication control method includes transmitting, by a mobile relay node to a target donor node, an F1 setup request message including a first physical cell ID used in the mobile relay node. In addition, the communication control method includes, in response to reception of the F1 setup request message, transmitting, by the target donor node to a neighbor donor node adjacent to the target donor node and other than a source donor node, a PCI request message including the first physical cell ID in order to perform an inquiry as to whether the first physical cell ID is usable.

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

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.

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.

In an aspect, a communication control method is used in a cellular communication system. The communication control method includes broadcasting, by a parent node, migration range support information supporting a migration range of a mobile relay node. The communication control method includes receiving, by the mobile relay node, the migration range support information. The communication control method includes determining, by the mobile relay node, whether access to the parent node is available based on the migration range support information.

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.