16 results about "Tactical communications" patented technology

This invention discloses a path selection method for low-altitude wireless networks enhanced by a diffusion model, comprising: constructing a network state representation for the network environment; constructing a virtual network state representation using a diffusion model; combining the network state representation and the virtual network state representation with weights to construct an enhanced perception state representation, inputting it into a path selection decision agent, and outputting a corresponding action; constructing a virtual action using a diffusion model; combining the output action of the path selection decision agent and the virtual action with weights to construct an enhanced action; performing path selection, calculating a reward and feeding it back to the path selection decision agent; and applying the trained path selection decision agent to perform path selection in the network environment. This invention improves the adaptability of path selection algorithms to time-varying network states, providing key support for the effective application of low-altitude wireless network path selection methods in complex time-varying scenarios such as emergency communication and tactical communication.

The application discloses a high-dynamic tactical network link prediction method based on a space-time synchronous attention mechanism, which comprises the following steps: extracting node features and communication links of a communication network to form a feature vector; extracting a network topology graph to build a historical space-time graph sequence; performing standardization processing on the node features and the communication link features, and performing sinusoidal time position coding and fusion on the historical space-time graph sequence; extracting the network topology graph to map nodes to global space edges; building bidirectional time edges between the same nodes at adjacent time steps; forming a supergraph, inputting the supergraph into a graph neural network encoder, and outputting feature vectors of all nodes; splicing the feature vectors of two nodes, inputting the feature vectors into a multilayer perceptron decoder, and obtaining a communication link connectivity probability between the nodes. The application can realize synchronous modeling of network space structure information and time evolution information, thereby improving the accuracy and stability of link state prediction in a high-dynamic and complex environment tactical communication network.

The application discloses a tactical communication intention translation method based on physical driving bimodal Bayesian inference, and belongs to the technical field of information engineering and artificial intelligence fusion. The application constructs a joint feature of tactical communication intention and battlefield environment, respectively establishes semantic guidance physical prior, historical case data likelihood and communication physical hard constraint feasible region; through precision weighted Bayesian fusion, physical constraint truncated projection inhibits large model illusion and guarantees KPI physical compliance, and then constructs normal work and link interruption bimodal mixed distribution, depicts KPI bimodal characteristics and long tail risk; finally, the KPI probability result containing expected value, confidence interval, default probability and comprehensive risk score is output. The application converts the natural language operation intention of commanders into a physical feasible probabilistic KPI index, quantifies cognitive and environmental random uncertainty, and can meet the high reliability requirement of strong confrontation, high dynamic tactical communication network command decision and communication configuration.

This invention discloses an integrated VHF tactical radio based on software-defined radio (SDR), belonging to the field of VHF tactical communication and electronic warfare. It utilizes an AD9361 RF transceiver and a Zynq-7020 SoC chip to construct an SDR hardware platform, supporting full-band signal processing from 30MHz to 1000MHz. The system integrates three major functional modules: communication, reconnaissance, and jamming. The communication software supports AM / FM analog and BPSK / 16QAM digital communication with a hopping rate of up to 1000 hops / second. The reconnaissance software achieves 1GHz / s spectrum scanning through an FFT algorithm, combined with a machine learning model to achieve an identification accuracy of over 95%. The jamming software supports three modes: fixed-frequency suppression, frequency sweeping jamming, and forwarding deception, and possesses 100% friendly signal evasion capability. This invention achieves 20ms periodic spectrum monitoring, automatic identification of friend or foe signals, adaptive selection of jamming patterns, and intelligent power adjustment, forming a closed-loop control system. The device has a volume ≤2L and a weight ≤3kg, suitable for both vehicle-mounted and individual soldier deployments, significantly improving the overall combat effectiveness of tactical communication.

The application discloses a multi-sensory information conversion full perception system and a tactical application method thereof, and belongs to the technical field of perception assistance and tactical communication. The system realizes multi-channel perception by converting environmental information into non-visual sensory signals. The system comprises an information acquisition module (ultrasonic sensor, infrared sensor, camera, etc.), an information processing module (AI algorithm, signal conversion unit) and a multi-sensory output module (audio feedback device, tactile feedback device). The spatial obstacle information is converted into different tones through ultrasonic ranging and tone mapping technology. The target position information is converted into tactile signals through a hydraulic tactile feedback device and wireless transmission technology. The application can be used for blind navigation assistance, night combat, special operation and the like, solves the limitations of traditional visual dependence, realizes zero-light and zero-sound concealed information transmission, and has important social value and military application prospect.

The invention discloses a communication, detection and interference integrated ultrashort wave tactical radio station based on software defined radio, and belongs to the field of ultrashort wave tactical communication and electronic countermeasures. An SDR hardware platform is constructed by adopting an AD9361 radio frequency transceiver and a Zynq-7020 SoC (System on Chip) chip, and the signal processing of the full frequency band of 30MHz to 1000MHz is supported. The system integrates a communication function module, a reconnaissance function module and an interference function module. Communication software supports AM / FM simulation and BPSK / 16QAM digital communication, and the hopping speed reaches 1000 hops per second. The reconnaissance software realizes 1GHz / s frequency spectrum scanning through an FFT algorithm, and realizes more than 95% of identification accuracy by combining with a machine learning model; the interference software supports three types of fixed-frequency suppression, sweep-frequency interference and forwarding deception, and has 100% own-side signal avoidance capability. According to the invention, 20ms period frequency spectrum monitoring, friend or foe signal automatic discrimination, interference pattern adaptive selection and power intelligent adjustment are realized, and closed-loop control is formed. The device is not more than 2L in size and not more than 3kg in weight, is suitable for vehicle-mounted / single-soldier dual-scene deployment, and remarkably improves the comprehensive combat effectiveness of tactical communication.

The present disclosure relates to a communication system configured to be used in a demanding environment, the communication system comprising a first in-ear device (103, 303a, 303b) comprising a tip (323, 323a, 323b, 337), the tip (323, 323a, 323b, 337) having a distal end (331) and a proximal end (333) and being configured to be inserted into an ear canal of a user (101) with the proximal end (333) being closer to an inner ear of the user (101) than the distal end (331) when the user (101) is wearing the in-ear device (103, 303a, 303b), wherein the tip (323, 323a, 323b, 337) comprises a user compressible material (337) and is further configured to be inserted into the ear canal of the user (101) in a compressed state and, to expand over time into a less compressed state where at least a part of an exterior of the tip (323, 323a, 323b, 337) touches and engages with the ear canal of the user (101) thereby attenuating sound from the demanding environment before reaching the inner ear of the user, wherein the user compressible material (323, 323a, 323b, 337) has a predetermined expansion time so that the tip (323) expands from the compressed state at a first point in time (T0) to the less compressed 15 state at a second point in time (T1), where a sound attenuation effect of the tip (323, 323a, 323b, 337), at the second point in time (T1), has reached at predetermined attenuation level, and where the time between the first (T0) and second points in time (T1) is at least greater than 40 seconds.

The invention discloses a diffusion model enhanced low-altitude wireless network path selection method, which comprises the following steps of: aiming at a network environment, constructing network state representation; constructing a virtual network state representation by using a diffusion model, performing weight combination on the network state representation and the virtual network state representation, constructing an enhanced perception state representation, inputting a path selection decision-making agent, and correspondingly outputting an action; constructing a virtual action by using a diffusion model, and performing weight combination on the output action of the path selection decision agent and the virtual action to construct an enhanced action; executing path selection, calculating an award and feeding back the award to the path selection decision agent; and performing path selection in a network environment by applying the trained path selection decision agent. According to the invention, the adjustment adaptability of the path selection algorithm to the time-varying network state is improved, and key support is provided for effective application of the low-altitude wireless network path selection method in complex time-varying scenes such as emergency communication and tactical communication.

The invention relates to the technical field of communication countermeasure simulation, and discloses an intelligent analysis method for tactical communication waveform simulation and interference effect evaluation, and the method comprises the steps: constructing a simulation environment, and loading waveform parameters and an interleaving matrix; transmitting signals and interference signals are superposed and input into a receiver; monitoring the confidence loss of the synchronization state calculation logic domain; constructing a reverse mapping function by using an inverse matrix of the interleaving matrix, and performing backtracking mapping on logic loss to generate physical layer confidence coefficient loss distribution; generating physical layer semantic weight distribution based on the protocol frame structure; and carrying out time domain weighted aggregation on the physical layer confidence coefficient loss distribution and the semantic weight distribution, and outputting an interference assessment result. According to the method, through a reverse mapping and semantic weighting mechanism, accurate backtracking of the physical layer at the interference damage moment is realized, the problem of evaluation interruption in an out-of-step state is solved, and the accuracy and completeness of tactical communication waveform simulation and interference effect evaluation intelligent analysis are remarkably improved.

This invention discloses a software-defined tactical communication network architecture and communication method. The network architecture includes multiple network nodes running controller software within a tactical network. Several of these network nodes form a distributed network using an autonomous routing protocol, while the remaining network nodes form several local area networks (LANs), each controlled by a local controller. This architecture obtains a global resource view through centralized management, enabling flexible resource scheduling and efficient utilization. Distributed autonomous routing networking provides basic communication capabilities for the tactical communication network, enhancing its resilience. Based on this dual-plane network architecture, a lightweight southbound interface protocol, a link-state-based autonomous routing protocol, and a feature-based, efficient programmable forwarding implementation scheme are designed. These features reduce protocol overhead, provide more bandwidth and information resources for core control layer services, and adapt to diverse service requirements.

This invention relates to a graph theory-based method for representing tactical communication network service models, belonging to the field of communication network technology. The method includes: task network construction, task-oriented service network topology modeling, task network node modeling, service modeling of communication links between task network nodes, task network service traffic modeling, and task network topology merging and comprehensive representation. Starting from tactical communication requirements and based on actual task types and scenarios, this invention comprehensively considers factors such as network topology, service characteristics, and service traffic to construct a multi-dimensional tactical communication network service model. This model can reflect the time-varying, diverse, and complex nature of tactical communication networks, facilitating a comprehensive and objective evaluation of tactical communication network performance.

The present invention relates to a communication system configured to be used in a demanding envi- ronment, the communication system comprising at least one communication and hearing protection de-5 vice (103, 303a, 303b), in particular at least one in-ear communication and hearing protection device (103, 303a, 303b), configured to be worn by a user (101), the communication and hearing protection device (103, 303a, 303b) comprising an ambient microphone (315, 315a, 315b) configured to provide an ambient microphone input signal (505a, 505b, 513), and a transmit (Tx) microphone (317, 317a, 317b) configured to provide a transmit microphone input signal (503a, 503b, 511) in response to regis-10 tering speech from the user (101), one or more processors (205, 207) configured to implement and ex- ecute a trained artificial intelligence or machine learning method or component (515, 607) to generate a correction function or signal (517, 609) in response to the ambient microphone input signal (505a, 505b, 513) and the transmit microphone input signal (503a, 503b, 511)

The invention discloses a data communication system and method based on invisible digital watermark encryption monitoring, and the method comprises the steps: superposing and fusing a watermark detection function on a processor platform of a switching node in a tactical communication network, and controlling the stability of digital information through a sliding window mechanism; the real-time performance of digital information transmission is controlled by adopting a multi-thread mechanism of a processor, and fragmentation processing and parallel computing are carried out on a real-time network message based on a sliding window mechanism and the multi-thread mechanism; and carrying out digital watermark embedding processing on carrier data and original watermark information through an improved DWT algorithm, and carrying out watermark extraction processing on the carrier data containing the watermark so as to realize embedding and extraction of the invisible digital watermark. According to the method, the practicability of the DWT algorithm on embedded equipment is improved, the method can be effectively applied to an identification friend or foe system of a tactical communication network, and high-security encryption, high-real-time processing and non-sensitive monitoring of data streams in the tactical communication network are achieved.

The application discloses a high-dynamic tactical network link prediction method based on a space-time synchronous attention mechanism, which comprises the following steps: extracting node features and communication links of a communication network to form a feature vector; extracting a network topology graph to build a historical space-time graph sequence; performing standardization processing on the node features and the communication link features, and performing sinusoidal time position coding and fusion on the historical space-time graph sequence; extracting the network topology graph to map nodes to global space edges; building bidirectional time edges between the same nodes at adjacent time steps; forming a supergraph, inputting the supergraph into a graph neural network encoder, and outputting feature vectors of all nodes; splicing the feature vectors of two nodes, inputting the feature vectors into a multilayer perceptron decoder, and obtaining a communication link connectivity probability between the nodes. The application can realize synchronous modeling of network space structure information and time evolution information, thereby improving the accuracy and stability of link state prediction in a high-dynamic and complex environment tactical communication network.

The application discloses a game information processing method and device, electronic equipment and a computer readable storage medium. The embodiment of the application displays a plurality of setting controls in a graphical user interface, and the plurality of setting controls are respectively used for setting a plurality of dimension attributes of a marker. In response to a selection operation on the plurality of setting controls, a target marker configuration is determined, and the target marker configuration includes at least two dimension attributes of the marker. In response to a marker operation on a target position in a virtual scene, a tactical marker corresponding to the target marker configuration is displayed at the target position in the virtual scene. The tactical marker is used to convey a tactical instruction determined based on the target marker configuration to a friendly virtual character. The embodiment of the application can reduce the time spent on tactical communication between teams.