55 results about "Wireless backhaul" patented technology

Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable media for communication during inter-donor topology adaptation. A first device transmits, to a second device, first information about a first communication interface between the first device and a third device, receives, from the second device, an indication that context information associated with at least one fourth device and the first communication interface is retained, and uses the context information in communication via a second communication interface between the first device and the second device. The second device receive the first information, transmit, to the third device, a request for obtaining the context information, and receive the context information from the third device. In this way, reestablishment procedure can be simplified, and signaling over Xn interface, F1 interface and wireless backhaul can be minimized Further, latencies and service break for the terminal devices at the change of the IAB-donor can be reduced.

The application provides a wireless backbone communication system of heterogeneous network fusion, and relates to the technical field of communication systems.The system comprises a southward access module, a point-to-point data transmission module and at least one northward output module.The southward access module supports access to multiple first devices.When receiving transmission data sent by the first devices, the southward access module sends the transmission data to the point-to-point data transmission module after protocol conversion.The point-to-point data transmission module determines the destination node of the transmission data after receiving the transmission data, plans a target path of the transmission data according to the destination node, and transmits the transmission data according to the target path.When the destination node is a second device connected to the northward output module, the transmission data is output from the point-to-point data transmission module and then input into the corresponding second device through the corresponding northward output module.The communication system of the application can meet the communication requirements of devices in the power emergency repair scene and can avoid mutual interference of southward data.

A wireless communication system includes a central cloud server that obtains a first type of telemetry information from a plurality of hybrid analog-digital repeater devices and a second type of telemetry information from a master wireless access point device and service wireless access point devices. The central cloud server determines one or more intra-node radio frequency (RF) beam parameters and one or more inter-node RF beam parameters for each of the plurality of hybrid analog-digital repeater devices based on the first type of telemetry information and the second type of telemetry information, causes the plurality of hybrid analog-digital repeater devices to dynamically form a wireless backhaul mesh network among the master WAP device, the plurality of hybrid analog-digital repeater devices, and the one or more service WAP devices, and causes the plurality of hybrid analog-digital repeater devices to establish one or more analog data propagation paths in the wireless backhaul mesh network in one or more intermediate frequencies.

The application provides an access backhaul end-to-end system, comprising a wireless backhaul module, a backhaul base station and a backhaul core network module; the wireless backhaul module is used for obtaining service data and signaling data forwarded by an original access base station, and performing air interface protocol encapsulation on the service data and the signaling data to obtain air interface interaction data packets; the backhaul base station is used for demodulating the air interface interaction data packets, encapsulating demodulated data based on a service interface protocol and a signaling interface protocol, and transmitting signaling data and service data of the backhaul base station obtained to the backhaul core network module; and the backhaul core network module is used for demodulating data of the backhaul base station and transmitting to a target receiving network according to a corresponding destination address. The access backhaul end-to-end system disclosed by the application makes backhaul control more flexible, facilitates mobility control, and can further enhance backhaul quality and control means.

The invention provides a communication method, communication equipment, a communication system and a storage medium, and the method comprises the steps: transmitting first information to a first network function through a backhaul path, and enabling the first network function to determine the backhaul path address information of a mobile base station with wireless backhaul through the address information of a data packet of the first information. According to the method disclosed by the invention, stable communication between the first network function and the mobile base station with wireless backhaul is ensured, and the communication efficiency is improved.

Provided in the embodiments of the present disclosure are communication methods, a first device, a first network function, a fourth network function, a communication system and a storage medium. A method comprises: sending first information to a first network function, wherein the first information is used by the first network function to determine that a mobile gNB user equipment with wireless access backhaul (MWAB-UE) protocol data unit (PDU) session needs to be created for N3 backhaul. In this way, the technical solution provided in the embodiments of the present disclosure realizes communication between an MWAB-UE and a core network.

A method may include obtaining an Ethernet frame. The method may also include determining a first priority for the Ethernet frame based on a quality-of-service classification. The method may further include segmenting the Ethernet frame into two or more segments. The method may also include adding metadata to the Ethernet frame or the two or more segments. The method may further include determining multiple links for transmitting the Ethernet frame. The method may also include obtaining values for each link of the multiple links. The method may further include computing a maximum allowed latency for each link of the multiple links. The method may also include selecting a first link of the multiple links based on the values for each link and the maximum allowed latency for each link. The method may further include queueing the Ethernet frame or the two or more segments for transmission using the first link.

This wireless communication node controls: connection in a wireless control layer with a wireless base station providing wireless backhaul; and / or handover with another wireless communication node of the wireless base station. The wireless communication node transmits, to the other wireless communication node, a handover message including configuration information related to a transport function of a network layer in the wireless base station.

A network device obtains a Physical Layer Cell Identifier (PCI) pool for allocating to ad-hoc mobile Integrated Access and Backhaul (IAB) nodes traversing a wireless network. The network device selects a first PCI for allocation to a first ad-hoc mobile IAB node located in the wireless network based on PCIs contained in the PCI pool, and allocates the first PCI to the first ad-hoc mobile IAB node. The network device pushes the allocated first PCI to the first ad-hoc mobile IAB node for use by the first ad-hoc mobile IAB node to establish User Equipment (UE) wireless access to the wireless network via wireless backhaul.

This network device executes control relating to an interface in a wireless base station that provides a wireless backhaul. The network device receives, from the radio base station, an uplink setting transfer message including identification information that indicates that the type of the wireless base station is a backhaul wireless base station that provides a wireless backhaul, and transmits a downlink setting transfer message including the identification information to another wireless base station.

The invention discloses an IPC analysis and restoration system based on non-inductive shunting, and the system comprises a dual-network-port module which receives an original video stream sent by an IPC, and transmits the original video stream to an NVR through an exchange and mirroring module; the exchange and mirroring module is used for performing mirroring operation on the original video stream to generate an analyzed video stream; the original video stream is transmitted to the NVR, and the analyzed video stream is transmitted to the protocol analysis unit; the protocol analysis unit is used for executing protocol level identification on the analyzed video stream through a local OTA analysis library; if the identification is successful, marking the video stream as an identified video stream and triggering transcoding; if the identification fails, marking the video stream as an unidentified video stream, and reporting the unidentified video stream to the cloud analysis module through the wireless return module; the cloud analysis module is used for receiving the unidentified video streams and transmitting new analysis parameters or library files to the protocol analysis unit; the decoding and transcoding module is used for carrying out hardware decoding and recoding operation on the identified video stream and outputting a transcoded video stream; and the edge calculation packaging module is used for packaging the transcoded video stream into a standard protocol format.

This terminal receives a cell type indication indicating whether a neighboring cell is formed by a wireless base station that provides wireless backhaul, and transmits, to a serving cell or a candidate cell of a transition destination, the cell type indication indicating that the neighboring cell is formed by the wireless base station that provides the wireless backhaul.

The embodiment of the invention provides a communication method and a communication device, relates to the technical field of communication, and can improve the probability that a WAB-MT is authorized and provide wireless backhaul for a WAB-gNB in time. In the method, when registration is rejected, a third message can be sent again to request registration to a core network, or the core network indicates that a slice associated with a WAB node is allowed, or partially allowed, or partially rejected to a WAB-MT, or indicates that the slice associated with the WAB node is partially allowed to the WAB-MT; or, the core network indicates to the WAB-MT that the first slice of the WAB node is registered, the first slice is used for enabling the mobile terminal module to be in the connected state, the first slice is different from the second slice, and the second slice is used for indicating the type of the WAB node. The embodiment of the invention is used for the registration process of the WAB-MT.

Methods for use in managing link status of a wireless backhaul link in a wireless network including a WAB node are disclosed. The WAB node includes a MT component and a gNB component. The method at a

The present subject matter relates to a method for operating a node of a communication system. The node is configured to support wireless backhauling in the communication system and support wireless access in the communication system. The method comprises: receiving from a node first data on a backhaul link and second data on an access link, determining transmit times of the first and second data using the received first data and second data, determining a timing error using the determined transmit times.

A wireless communication system includes a central cloud server that obtains a first type of telemetry information from a plurality of hybrid analog-digital repeater devices and a second type of telemetry information from a master wireless access point device and service wireless access point devices. The central cloud server determines one or more intra-node radio frequency (RF) beam parameters and one or more inter-node RF beam parameters for each of the plurality of hybrid analog-digital repeater devices based on the first type of telemetry information and the second type of telemetry information, causes the plurality of hybrid analog-digital repeater devices to dynamically form a wireless backhaul mesh network among the master WAP device, the plurality of hybrid analog-digital repeater devices, and the one or more service WAP devices, and causes the plurality of hybrid analog-digital repeater devices to establish one or more analog data propagation paths in the wireless backhaul mesh network in one or more intermediate frequencies.

A wireless communication system includes a central cloud server that obtains a first type of telemetry information from hybrid analog-digital repeater devices and a second type from a master wireless access point device and service wireless access point devices, determines a wireless backhaul network topology based on the first type of telemetry information and the second type of telemetry information, determines beam alignment parameters for the hybrid analog-digital repeater devices based on synchronization signal blocks and feedback from the hybrid analog-digital repeater devices, controls the hybrid analog-digital repeater devices to relay downstream signals and upstream signals based on different polarization states in an intermediate frequency band, and causes each of the hybrid analog-digital repeater devices to relay user data in analog form and extract signal metadata from a portion of received radio frequency signals without execution of a decoding operation on the user data.

The invention discloses an electromagnetic ultrasonic fusion sensing RFID (Radio Frequency Identification Device) nondestructive testing system and method. The system comprises an RFID reader-writer and at least one active or semi-active detection tag, and the core of the detection tag is to integrate an RFID antenna, a wireless energy storage unit, a resonance and switching circuit, an electromagnetic excitation / acquisition circuit, an ultrasonic excitation / acquisition circuit, a PZT converter and a microcontroller. And integration of wireless energy supply, communication and bimodal detection is realized. The method comprises the steps that wireless energy supply and initialization are carried out; carrying out multi-mode detection, wherein electromagnetic detection and ultrasonic detection are executed in a serialized manner; data processing and communication are carried out, and collected signals are processed and then wirelessly transmitted back; and performing data fusion and result output, performing data fusion analysis, and outputting a comprehensive diagnosis report. The problems that a traditional nondestructive testing system is tedious in deployment and single in dimension are solved, and integrated and wireless omnibearing intelligent detection is achieved.

The invention belongs to the technical field of bridge detection, and provides a miniaturized bridge disease monitoring device. The device comprises a mounting main block, an infrared distance measurement module, a disease image acquisition part, a data wireless return part and a power supply part, the mounting main block is a PCB (Printed Circuit Board) and is arranged in a bridge anchoring area or a to-be-detected area in a box girder; the infrared distance measuring module comprises two infrared sensors which are respectively mounted on one surface of the mounting main block; the disease image acquisition part comprises a light supplementing camera sensor and is arranged on one surface of the mounting main block; the data wireless backhaul part comprises a backhaul chip; the backhaul chip is mounted on the other surface of the mounting main block; and the power supply part comprises a lithium battery and is mounted on the mounting main block. The device is reasonable in design, accurate in detection, convenient to install, capable of achieving wireless transmission, stable in operation due to the fact that the device is provided with a power source, and meanwhile has the light supplementing function, and therefore the device can be effectively suitable for industrial popularization.

The invention provides a vehicle-road cloud integrated fusion networking system, method and device and a computer medium. The vehicle-road cloud integrated fusion networking system comprises a communication fusion module, a hierarchical networking module, a cloud collaboration module and a redundant link module. The communication fusion module is configured to perform data transmission based on fusion of a fifth-generation mobile communication network and a cellular Internet of Vehicles direct communication technology; the hierarchical networking module comprises access layer switching equipment, convergence layer switching equipment and core layer switching equipment, the access layer switching equipment is deployed at a road fork, the convergence layer switching equipment is used for ring networking, and the core layer switching equipment is connected with an edge cloud server; the cloud collaboration module is connected with a remote cloud server through firewall equipment at the outlet of the core layer switching equipment, so that collaborative interaction between the edge cloud server and the remote cloud server is realized; the redundant link module is configured to be a wired backhaul link and a wireless backhaul link, and the wireless backhaul link serves as a backup channel of the wired backhaul link.

In some implementations, the techniques described herein relate to a system including: a group of one or more base stations; a radio controller communicatively coupled to the group of base stations and configured to self-identify a current location and identify permissible wireless frequencies based on the current location; a channel manager communicatively coupled to the radio controller configured to scan the permissible wireless channels, identify a subset of the permissible wireless channels within the permissible wireless frequencies, select a radio profile based on the subset of the permissible wireless channels, and transmit the radio profile to the base station; and a gateway communicatively coupled to the base station, the gateway configured to receive and transmit data from a satellite via wireless backhaul.

The invention provides a communication method and device and a storage medium, and the method comprises the steps: determining a first core network function; second information is sent to the first core network function, the second information comprises third information, and the third information is used for indicating the first terminal to access the network through the mobile access network. According to the invention, the first terminal can access the network through the mobile access network to inform the first core network function, and the first core network function can perform corresponding processing on the data packets transmitted by the uplink and the downlink based on the third information, so that the availability of the mobile access network with the wireless backhaul function is improved.

The invention relates to the technical field of communication, and discloses a monitoring signal wireless transmission method and system for safety belt online monitoring. The method comprises the following steps: integrating a near-field magnetic induction transceiver unit in a safety belt lock catch, and arranging distributed relay nodes supporting near-field magnetic induction and frequency hopping spread spectrum radio frequency dual-mode communication along a braid; adaptively switching communication modes based on channel quality, and dynamically selecting an optimal frequency hopping point in combination with an environmental electromagnetic characteristic database; original signals of a sensor are locally compressed and coded and then transmitted to a regional convergence gateway hop by hop, and the gateway completes timestamp calibration, integrity verification and redundancy elimination and finally uploads the signals to a central monitoring platform. The system comprises a safety belt body, a miniature near-field magnetic induction unit, a distributed relay node, a regional convergence gateway and a central monitoring platform. According to the technical scheme, high-reliability, low-time-delay and low-cost wireless return of safety belt monitoring signals in the extreme shielding environment is achieved.

The invention belongs to the technical field of aerial cableway detection equipment, and particularly relates to a ray detection device for an aerial cableway based on an unmanned aerial vehicle. Comprising an unmanned aerial vehicle body, an unmanned aerial vehicle control terminal, a cold cathode X-ray detection host, a cold cathode X-ray emission module, a cold cathode X-ray detection module, a first wireless signal transceiver module and a second wireless signal transceiver module, the bottom end of the unmanned aerial vehicle body is fixedly connected with a mounting bracket, and the bottom end of the mounting bracket is fixedly connected with a horizontal moving mechanism. According to the high-altitude ropeway nondestructive testing system, efficient, stable and high-precision nondestructive testing of the high-altitude ropeway is completed through full-process cooperative work of airborne end accurate in-position, high-altitude ropeway rigid limiting, autonomous moving scanning, synchronous cleaning protection, real-time imaging detection, airflow interference protection and data wireless return, and the high-altitude ropeway nondestructive testing system is adaptive to outdoor high-altitude complex working environments; the core problems of tedious operation, weak anti-interference capability, poor imaging stability, incomplete detection coverage and the like in the prior art are solved.

A wireless communication system includes a plurality of master Wireless Access Point (WAP) devices, where each master WAP device is associated with an isolated network slice of one of a plurality of different network service providers. A plurality of hybrid analog-digital repeater devices are interconnected in a mesh topology via point-to-point wireless backhaul links in the wireless backhaul mesh network, where a first analog-digital repeater device receives first data stream in a first intermediate frequency from the first master WAP device and the second data stream in a second intermediate frequency from the second master WAP device. The first analog-digital repeater device then relays the first data stream and the second data stream over the plurality of hybrid analog-digital repeater devices via the point-to-point wireless backhaul links to reach to one or more service WAP devices that serves a plurality of UEs over WLAN signals.

The present invention relates to methods and apparatus for providing backhaul wireless services to wireless base stations. An exemplary embodiment includes the steps of: receiving, at a backhaul management node, user equipment connection information for a first base station, the first base station having a first wireless backhaul connection path to a second base station; determining, by the backhaul management node, whether or not a second wireless backhaul connection path is to be established for the first base station based on the received user equipment connection request information; and in response to determining to establish the second wireless backhaul connection path for the first base station: sending, by the backhaul management node, a message to establish the second wireless backhaul connection from the first base station to a third base station, said second and third base stations being connected to a core network via a wired and / or fiber backhaul connection.

A virtual fiber communication system includes a central cloud server that obtains telemetry information from a plurality of network nodes of a wireless backhaul mesh network. The telemetry information includes a first type of telemetry information from a plurality of hybrid analog-digital repeater devices and a second type of telemetry information from a plurality of wireless access point devices. The central cloud server collects data related to properties of signal blockers in a surrounding area of the plurality of network nodes and trains a neural network model based on the first type of telemetry information and the second type of telemetry information. The central cloud server deploys the trained neural network model to detect a Radio Frequency (RF) signal interference or blockage caused by the signal blockers. The detection is based on the data related to the properties of the signal blockers.

Embodiments of the present application relate to the technical field of communications, and provide a communication method and a communication apparatus, capable of increasing the probability that a WAB-MT is authorized and providing wireless backhaul for a WAB-gNB in a timely manner. In the method, when registration is rejected, a third message may be sent again to a core network to request registration, or the core network indicates to the WAB-MT that a slice associated with a WAB node is allowed, partially allowed or partially rejected, or indicates to the WAB-MT that the slice associated with the WAB node is partially allowed; or, the core network indicates to the WAB-MT that a first slice of the WAB node is accepted for registration, wherein the first slice is used for a mobile terminal module to be in a connected state, the first slice is different from a second slice, and the second slice is used for indicating the type of the WAB node. The embodiments of the present application are used for a registration process of the WAB-MT.

This application discloses a wireless passive fiber optic sensing system, method, and automatic inspection system based on a laser crystal. The wireless passive fiber optic sensing system includes a light source module, a demodulation module, and a wireless passive fiber optic grating sensing module. The light source module and demodulation module are located at the active end, while the wireless passive fiber optic grating sensing module is located at the passive end. The light source module emits a first pump laser. The wireless passive fiber optic grating sensing module is placed on the object under test and wirelessly transmits both invisible light of a specific wavelength related to the measured physical quantity and an indicator laser in the visible light band back to the demodulation module. The demodulation module receives the reflected light from the wireless passive fiber optic grating sensing module and resolves the wavelength of the light to obtain the magnitude of the measured physical quantity on the wireless passive fiber optic grating sensing module. This application solves the problem of alignment difficulties caused by the invisible optical axis at the passive end by using laser crystal end-face pumping and dual visible light assistance, thereby improving alignment efficiency and reducing the dependence on mechanical adjustment precision.

An operation method of a backhaul station in a wireless backhaul system may include: receiving, from a base station, information on a required capacity of a data channel resource; identifying a channel state of the base station; allocating the data channel resource from an available capacity based on the required capacity and the channel state; and transmitting, to the base station, a message including resource allocation information of the data channel resource.