15 results about "Wireless broadband" patented technology

The invention discloses a wireless broadband ad hoc network method and system, and belongs to the technical field of wireless communication. The method comprises the following steps: acquiring position information, communication capability and moving characteristics of nodes, and dynamically fusing to obtain comprehensive capability information of the nodes; performing multi-dimensional relay evaluation on the nodes based on the node comprehensive capability information, and generating a network topology construction basis; performing dynamic topology optimization and link allocation on the candidate nodes according to the topology construction basis to generate an optimal topology structure; establishing multi-link two-way communication connection among the nodes to form a preliminary communication network; performing hierarchical link detection and bandwidth feedback evaluation on the preliminary communication network to obtain a hierarchical link state; and carrying out dynamic path negotiation and reconstruction based on a hierarchical link state to form a stable communication path and realize a self-repairing communication network. The method has high adaptability and robustness under the scenes of node high-speed movement, channel time varying and multi-service concurrency, and is suitable for the scenes of emergency communication, unmanned cluster cooperation and the like.

The invention relates to a wireless broadband ad hoc network communication mode switching method and system based on a cluster unmanned scene, belongs to the technical field of unmanned aerial vehicle control, and solves the problem that an unmanned cluster system cannot safely and efficiently adapt to a wireless ad hoc network communication mode according to a task scene in the prior art. The method comprises the following specific steps: presetting a plurality of communication modes of an ad hoc network in a task life cycle of the cluster unmanned system; the cluster master control node receives the multi-mode sensing data collected by the slave control nodes respectively, and predicts a target communication mode by using a pre-trained graph neural network based on the multi-mode sensing data to obtain a to-be-switched target communication mode and a corresponding confidence value; whether mode switching is triggered or not is decided based on the confidence value, if the decision is triggered, the ad hoc network executes mode switching, the communication parameters corresponding to the preset target communication mode are configured, and efficient adaptation to the wireless ad hoc network communication mode is achieved.

The invention relates to the technical field of electric power communication, in particular to an electric power scene-oriented wireless broadband and narrowband cooperative anti-interference method, which is based on a WAPI protocol adapter and a micro-power wireless protocol adapter, and comprises the following steps of: respectively converting real-time acquired equipment operation state data into a UCI standard format, and uploading the data to a cooperative scheduling module through UCI; and analyzing and generating an optimal channel decision based on spectrum sensing and a decision engine, packaging the optimal channel decision into a UCI standard format, issuing the optimal channel decision to a WAPI protocol adapter or a micro-power wireless protocol adapter, converting the optimal channel decision into a corresponding WAPI native protocol command and a micro-power native protocol command, and synchronizing the command to WAPI equipment and micro-power wireless equipment for channel switching. Therefore, by establishing a unified control interface and a protocol adaptation mechanism, centralized sensing, joint decision and cooperative scheduling of broadband and narrowband systems are realized, and the problem of asymmetric interference is effectively relieved; and moreover, the 2.4 GHz frequency band interference state can be sensed in real time, and bidirectional collaborative interference avoidance of a wide and narrow band system is realized.

Systems and methods for a dual-functional modular system for providing Internet Protocol (IP) phones with wireless broadband capabilities and a handoff from public cellular networks to a private business system. The method may include providing a plurality of IP phones with one or more modular Long-Term Evolution (LTE) upgrade units, wherein the plurality of IP phones gain LTE endpoint features; configuring the one or more units to connect to a private IP network; continuously monitoring signal strength of a public LTE network and the private IP network; detecting a mobile device with an active call; when the private IP network provides a more stable connection, initiating a handoff from the public LTE network to the IP network; transferring the active call data to an available LTE-equipped IP phone; monitoring the IP network; and when the IP network becomes unstable, reverting service of the active call to the public LTE network.

This utility model discloses an online monitoring system for confined space operations, including a confined mine shaft, a command center, and a control terminal. The confined mine shaft is equipped with ventilation ducts and multiple integrated detection devices, a wireless broadband self-organizing network, and ventilation openings. Negative pressure fans are installed at the air outlets of the ventilation ducts. Multiple wireless broadband self-organizing networks form a mesh network controlled by the command center. The integrated detection devices are wirelessly connected to the wireless broadband self-organizing network. The command center receives and transmits signals from the integrated detection devices through the mesh network. This online monitoring system for confined space operations achieves wireless transmission by establishing a mesh network controlled by the command center through multiple wireless broadband self-organizing networks. It controls the opening of electric air valves at each ventilation opening by controlling the composition of the circulating airflow, promoting circulation in zones to expel hazardous gases, and treating common flammable and toxic gases.

Aspects of the subject disclosure may include, for example, a device including a processing system that evaluates a need for additional data streaming resources at the device, and determines that a set of cooperating devices, located within a predetermined distance, is configured for sharing data streaming resources. The device receives the requested data from the cooperating devices in simultaneous streams, each stream including a segment of the requested data. The data source sends the requested data in parallel streams to the set of cooperating devices respectively, in accordance with addresses provided to the data source for each of the cooperating devices. The processing system assembles the requested data from the simultaneous streams. Other embodiments are disclosed.

The invention discloses a wireless broadband ad hoc network and a signal transmission method, and belongs to the technical field of wireless communication. A wireless broadband ad hoc network comprises a physical layer processing module, an intelligent antenna module, a network layer control module and a security encryption module. And the physical layer processing module adopts a coding orthogonal frequency division multiplexing technology and is combined with adaptive modulation and coding to suppress multipath interference. The intelligent antenna module realizes beam forming and spatial multiplexing based on multiple input multiple output. And the network layer control module realizes self-organizing multi-hop and dynamic topology reconstruction by optimizing a routing algorithm, and inhibits bandwidth attenuation in combination with a frequency reuse-space time division multiplexing technology. The security encryption module provides information source and channel dual encryption. All the modules are deeply coordinated, an integrated system with space-frequency coordination, multi-hop stable transmission and anti-interference is constructed, the transmission distance, networking flexibility and anti-interference capability are effectively improved, and the requirements of emergency communication, unmanned systems and other scenes for high bandwidth, low time delay and reliable and safe communication are met.

Embodiments of the present application disclose a wireless broadband device, a control method and apparatus thereof, and a storage medium. The control method of the wireless broadband device can comprise: receiving a wake-up instruction sent by a terminal device through a low-power communication module of the wireless broadband device when a first Wi-Fi module of the wireless broadband device is in a closed state; and switching the first Wi-Fi module from the closed state to a started state in response to the wake-up instruction. Through implementation of the method, automatic wake-up of a Wi-Fi module of the wireless broadband device can be realized.

1. Name of the product in this design: Portable Broadband Wireless Device. 2. Purpose of this design: for wireless broadband transmission and coverage of mobile communication terminals. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses an ad-hoc network radio station portable monitoring laying method, device and equipment and a storage medium, and the method comprises the steps: laying a video recording host as a monitoring system control center, and connecting a wireless broadband ad-hoc network radio station A to the video recording host through a network cable; a plurality of wireless broadband ad hoc network radio stations B and POE switches are arranged in a monitoring area, and monitoring cameras are connected to the wireless broadband ad hoc network radio stations B through the POE switches; the wireless broadband ad-hoc network radio station A and each wireless broadband ad-hoc network radio station B are adjusted to the same frequency band, so that the wireless broadband ad-hoc network radio station A and each wireless broadband ad-hoc network radio station B are automatically networked to form a Mesh network, and a camera channel is added through scanning of a video host to realize centralized management and control of the monitoring system, so that the monitoring system does not depend on a mobile communication public network and does not need deployment of a central station / relay station; the arrangement process is convenient and efficient, the deployment cost is remarkably reduced, the installation efficiency is greatly improved, and meanwhile centralized management and control of the monitoring cameras are achieved.

The application discloses a kind of hybrid beamforming method and device for ITS assisted satellite communication, belong to high frequency wireless broadband beamforming technical field, the method includes: according to the angle information in the system configuration information and channel state information of ITS assisted satellite communication system, obtain the ITS phase shift matrix based on center subcarrier;Utilize the virtual ITS phase shift matrix and the illumination matrix corresponding to the mth subcarrier to construct the virtual equivalent channel matrix of the mth subcarrier, and then solve its virtual digital precoding matrix;Utilize the ITS phase shift matrix corresponding to center subcarrier, the virtual ITS phase shift matrix and the virtual digital precoding matrix of the illumination matrix corresponding to the mth subcarrier determine the target digital precoding of the mth subcarrier, and then obtain the hybrid beamforming matrix of each subcarrier, to carry out hybrid beamforming.Therein, using virtual digital precoding inverse, effectively suppresses the serious beam squint problem of phased array in high frequency broadband large-scale MIMO communication.

A wireless television device includes at least one circuit board with one or more SIM card slots. The SIM card slots are configured to store at least one SIM card containing unique identification numbers and providing security codes for authentication. The wireless television includes a wireless module for capturing and processing wireless broadband connection signals according to wireless communication standards. A processor communicates with the wireless module to establish network links, obtain transmitted data, determine multiply sourced data traffic, and output appropriate audio and video signals to a display panel. The wireless television utilizes SIM card authorization from wireless service providers to enable wireless broadband connectivity and content delivery.

1. The name of the design product: picture transmission module (A33-1400). 2. The use of the design product: the design product is a picture transmission module used in a wireless broadband picture and data integrated communication system. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a network access processing method, a wireless broadband terminal and a system, and particularly relates to the technical field of network access, and the method comprises the following steps: a multi-dimensional perception and information collection step: collecting and reporting multi-dimensional context information of equipment; an intention analysis and strategy binding step: inferring a service intention of the equipment based on the information and automatically generating and issuing a fine-grained network strategy; a safety evaluation and strategy correction step: continuously monitoring the safety state of the equipment and automatically triggering strategy correction according to the dynamic score; a flow self-learning and elastic scheduling step: analyzing and predicting a device flow mode, and dynamically adjusting the network bandwidth resource quota; and a session termination and resource cleaning step: automatically cleaning related strategies and recycling resources after the equipment is offline. According to the invention, by constructing an intelligent closed loop, the fundamental transformation from static configuration to dynamic scheduling based on intention and context is realized, and the automation, security and resource utilization efficiency of network access are remarkably improved.