862 results about "Channel resource" patented technology

The invention discloses a multi-beam cooperative scheduling method and a multi-beam cooperative scheduling system for low-orbit satellite communication, which mainly solve the problems of poor beam scheduling flexibility and difficulty in adapting to time-varying requirements in a high-dynamic environment in the prior art, and the implementation scheme of the multi-beam cooperative scheduling method comprises the following steps of: collecting online user information by a low-orbit satellite through a wide beam; a hopping beam position is generated by using adaptive clustering under the constraint of channel resources; a hopping beam scheduling algorithm based on deep reinforcement learning outputs an optimal scheduling strategy according to the real-time environment variable; and optimizing a beam hopping time frame structure in each scheduling period, covering accessed users in a beam position through spot beams, and sending service data and control information to complete efficient service transmission. The method can adapt to changes of user distribution and service requirements in low-orbit satellite communication, the utilization rate of spectrum resources is improved, communication delay is reduced, the overall performance and service quality of the system in a high-dynamic environment can be enhanced, and the method can be used for dynamic beam position division, hopping beam scheduling and hopping beam resource allocation in a multi-beam low-orbit satellite communication scene.

The invention relates to the technical field of data processing, in particular to a backtracking analysis model construction method based on an attack chain, which comprises the following steps that: a kernel layer security agent acquires process, file and network behavior characteristics in a hardware isolation environment, and generates an event tuple; the tensor network pipeline performs three-dimensional decoupling mapping on the tuple into a behavior fingerprint vector, an orthogonalization noise feature and an asymmetric adjacent tensor, and compresses the behavior fingerprint vector, the orthogonalization noise feature and the asymmetric adjacent tensor into a space-time topology tensor block; the reinforcement learning controller constructs a directed acyclic graph based on the tensor blocks, calculates connectivity loss and outputs an event risk score; the dynamic routing engine constructs a decision tree model according to the risk mark, the burst frequency and the correlation entropy, and implements three-level shunting and a multiple simulation system to generate an anti-interference index; and when the deviation between the physical trajectory and the digital model exceeds the tolerance, the closed-loop feedback weight coefficient updates the loss function parameter and adjusts the channel resource weight. And the problem of threat discovery delay caused by attack chain breakage under massive events is solved.

The invention belongs to the technical field of computer communication, and particularly relates to a communication link dynamic channel allocation method based on a swan gap system. The method comprises the implementation steps that a cooperative communication monitoring module is established at a gap communication node, multi-dimensional link state parameters such as channel idle degree are collected in a distributed mode, and the collection period is dynamically adjusted along with state changes; constructing an evaluation model by using an improved LSTM algorithm, fusing the space coordinate frequency domain features and the time sequence parameters, and generating a channel state evaluation matrix; dynamically allocating channels in combination with channel stability, task priorities and data types; and a rapid re-evaluation mechanism is set, and when the channel score deviates from a threshold value, re-allocation is performed, so that the communication stability is guaranteed. Through dynamic monitoring, intelligent evaluation and self-adaptive distribution, the channel resource utilization rate and communication stability are improved, the method is suitable for a distributed internet of things scene of the swan mongolian system, and the problems of channel competition and real-time scheduling under high-density deployment are solved.

During a random access (“RA”) procedure associated with a network node of a new radio (“NR”) communications network, a communication device can determine information associated with at least one of the communication device and a channel between the communication device and the network node. The communication device can further determine a number of physical RA channel (“PRACH”) transmissions to transmit to the network node prior to receiving a random access response as part of the RA procedure based on the information. The communication device can further transmit the number of PRACH transmissions to the network node as part of the RA procedure.

Embodiments of the present disclosure relate to mechanisms for identifying and overcoming overlaps in LTE-V2X and NR-V2X sidelink resources for sidelink communications. In example embodiments, a user equipment performs sensing of reserved resources in both a first sidelink radio access technology resource pool and a second sidelink radio access technology resource pool. Based on the sensing, forming at least one candidate resource set identifying all resources that are free to be used by the first radio access technology resource pool, based on the indication that these are not being used for transmission by at least one other user equipment of the first sidelink radio access technology resource pool and identifying for each of the resources in the at least one candidate resource set corresponding resources to be used for a physical sidelink feedback channel of the first sidelink radio access technology resource pool. Based on the sensing, exclude from the at least one candidate resource set all the resources for which the physical sidelink feedback channel resource is identified to be reserved for the transmission by the at least one other user equipment of the first sidelink radio access technology resource pool and select a resource to be used for the transmission of a physical sidelink control channel and physical sidelink shared channel from the at least one candidate resource set.

A base station and / or a wireless device may communicate for an access procedure. One or more uplink channel resources of an access procedure of a first type may be reserved and / or guaranteed for one or more uplink transmissions. One or more downlink symbols may not be configured for the one or more uplink channel resources.

The invention relates to the technical field of wireless communication, in particular to a production line wireless communication system and method. The system comprises a multi-dimensional feature sensing module, an interference intelligent cognition and decision-making module, a communication opportunity decision-making module and a channel resource arrangement module. An expected action sequence, transient current features and spatial position topology of an interference source are collected through a multi-dimensional feature sensing module, and an interference source multi-dimensional feature set is generated through fusion; the interference intelligent cognition and decision-making module performs space-time spectrum joint modeling of an interference field based on the feature set, generates a workshop electromagnetic environment situation map, constructs a whole network link toughness map in parallel, and generates a conflict-free communication scheduling table through fusion analysis and multi-dimensional cost optimization; the communication opportunity decision module converts the dispatch table into an executable instruction; and the channel resource arrangement module executes the instruction and realizes closed-loop feedback. According to the method, the problem of communication uncertainty caused by industrial electromagnetic interference is solved, and reliable transmission of key services such as automatic guided vehicle scheduling and man-machine interaction is ensured.

Disclosed are a signal receiving method, a signal sending method, a device and storage medium. The signal receiving method comprises: in response to N control channels at a same time instance colliding, determining a priority of a quasi-co-location reference signal set of the N control channels according to a resource index of a control channel resource where each control channel of the N control channels is located and a feature of each control channel of the N control channels, wherein N is an integer greater than or equal to 2, the feature of each control channel indicates whether the control channel is a shared control channel or a dedicated control channel; and receiving one or more of the N control channels according to the determined priority of the quasi co-located reference signal set.

The invention relates to the technical field of computers and the technical field of intelligent monitoring of forest resources, and particularly discloses a multi-level forest resource monitoring method and system. The method comprises the following steps: collecting computing power of edge nodes, storing and communicating state information, performing normalization processing, and constructing task resource mapping in combination with a forest resource monitoring task set; constructing a scheduling optimization model based on the mapping, executing multi-constraint scoring and iterative optimization, and generating a task-node matching structure; compressing the central graph neural network model according to a matching result and deploying the central graph neural network model to edge nodes; selecting a communication mode in combination with the communication state, and configuring channel resources; executing local reasoning and asynchronously returning data; and finally, extracting features to complete data aggregation, feeding back task weights and node scores, and updating a scheduling strategy in a closed loop. According to the method, the global monitoring scheduling efficiency and the system stability under the environment of uneven resource distribution and communication fluctuation are effectively improved.

The invention discloses a method for improving channel traffic volume based on an underwater map, and belongs to the technical field of water transportation traffic, and the method comprises the following steps: S1, constructing an underwater high-precision map, deploying an unmanned ship and an underwater robot, and collecting underwater topographic data by using a multi-beam sounding technology to construct a high-precision underwater map; s2, establishing a dynamic channel planning model, collecting hydrological data and ship traffic data of different time and places of a channel by using a big data analysis and machine learning algorithm, and generating a dynamic channel use scheme; and S3, integrating a ship navigation and management system, developing ship navigation terminal equipment, and integrating the dynamic channel planning model with a monitoring system of a channel management department. According to the invention, channel resource utilization is optimized, intelligent dynamic planning is realized, ship passing efficiency, navigation autonomy, navigation safety and system stability and reliability are improved, channel management scientificity is enhanced, and cooperation of ships and management departments is enhanced.

According to the WIFI mesh channel dynamic allocation method and device provided by the invention, the size and position allocation of the RU are intelligently adjusted by monitoring the network flow, the equipment density and the channel interference in real time, so that the channel resource utilization rate is improved; a four-dimensional candidate channel scoring model and a decision engine are adopted for channel allocation and interference prediction, millisecond-level RU dynamic scheduling is achieved, and the low-delay service requirements of AR / VR, 4K videos and the like are met; a global channel state is determined through signaling interaction and collaborative decision among Mesh nodes, and conflicts and performance bottlenecks caused by local optimization are avoided; and a Wi-Fi 6 / 6E / 7 RU flexible division mechanism is supported, different frequency bands and bandwidth configurations are adapted, and efficient access of heterogeneous equipment is ensured. In a word, according to the scheme disclosed by the invention, the problems of static property, low efficiency and interference in RU allocation in the existing WiFi Mesh network are solved, and high-reliability and low-delay intelligent channel resource management is realized through dynamic priority layering, service type adaptation and interference avoidance technologies.

The invention discloses a communication network bandwidth resource visualized dynamic allocation method and system based on an SDN, and relates to the technical field of communication networks, and the method comprises the steps: obtaining the channel interference intensity, the spectrum occupancy rate and the service flow priority data of each node in a wireless network based on a southbound interface of an SDN controller, and obtaining the channel interference intensity, the spectrum occupancy rate and the service flow priority data of each node through a channel resource dynamic allocation table; generating a multi-dimensional resource view; according to the multi-dimensional resource view, multi-level coverage domains of the wireless network are divided, the service load level of each coverage domain is identified, and a pre-allocation scheme of cross-domain bandwidth resources is generated; and executing a pre-allocation scheme of cross-domain bandwidth resources by using a northbound interface of the SDN controller, and adjusting bandwidth allocation parameters of each coverage domain. According to the invention, visual monitoring, accurate division and flexible scheduling of the network resource state are realized, and the utilization efficiency of network bandwidth resources is remarkably improved.

Methods, systems, and devices for wireless communications are described. The network may configure a packet delay budget for wireless communications over a logical channel and delay status reporting for a user equipment (UE) in accordance with a triggering condition for transmitting a delay status report. If the UE identifies that the triggering condition has been satisfied for a logical channel, the UE may transmit a delay status report indicating a residual delay budget for the logical channel. The UE may transmit the delay status report via a physical uplink shared channel resource or via a physical uplink control channel resource.

The invention belongs to the technical field of wireless communication networks, and discloses a multi-modal adaptive routing equipment network optimization method based on artificial intelligence, which comprises the following steps of: extracting network flow metadata in a data link layer by adopting deep packet inspection, and analyzing and predicting bandwidth requirements in n periods of time in the future based on a time sequence; planning channel resources by adopting a Nash equilibrium algorithm according to the bandwidth requirement, and generating a channel allocation instruction; synchronously acquiring multi-band channel state data, and constructing a three-dimensional radio frequency environment signal spectrum; analyzing the three-dimensional radio frequency environment signal spectrum, searching a frequency band combination with the minimum interference, and generating a frequency band switching instruction; integrating the channel allocation instruction and the frequency band switching instruction, generating a network QoS optimization strategy, and issuing the network QoS optimization strategy to the routing equipment for execution; and the network transmission efficiency, the security and the adaptive capacity of the routing equipment are improved.

The invention relates to a resource allocation method and system for dynamic load balancing of a data center elastic optical network, and belongs to the technical field of communication. Comprising the following steps: initializing data center elastic optical network parameters, and generating a connection request; judging whether the residual computing power resources of the source node and the destination node meet the request requirement or not, if so, calculating K working paths, selecting the shortest path, calculating the number of required spectrum slots, and judging whether the paths have residual spectrum resources or not; if yes, layered traffic grooming evaluation parameters are calculated, and the optimal spectrum layer is selected for grooming traffic; if not, selecting the highest-price modulation format; judging whether bandwidth and optical channel resources on the path are enough, if so, allocating spectrum resources, otherwise, returning to select the next shortest path; judging whether the spectrum resources meet constraint conditions or not, if yes, allocating computing power resources, and requesting successfully; if not, returning to reselect the path; and after success, updating the network transmission path weight. According to the invention, the network resource waste and blocking rate are effectively reduced, and the optical network energy consumption is reduced.

The invention relates to the technical field of channel allocation, in particular to a WiFi channel multiplexing-based synchronous transmission system, which comprises the following steps of: acquiring a user QoS (Quality of Service) demand normalization generation priority level, acquiring channel resource density to calculate a difference matching relationship, generating a channel allocation result, generating a sorting sequence and a mapping table to construct a scheduling structure; counting interference fluctuation, identifying high-interference sections, screening out the high-interference sections, matching available time slots to complete synchronous scheduling, analyzing occupation and idle rate, adjusting a distribution structure, and generating a resource optimization result. According to the method, user service parameters are normalized into priority levels, difference matching is carried out in combination with resource density, channel allocation precision is improved, a scheduling sequence is constructed through sorting weight, resource scheduling flexibility is enhanced, high-interference sections are identified and eliminated through coupling fluctuation statistics, communication stability is guaranteed, resource conflicts are avoided through time slot matching, and user experience is improved. The monopolizability and the timeliness control are improved, the distribution structure is adjusted according to the occupancy rate, and the resource load balancing and the system stability are optimized.

A user equipment (UE) is configured to share sub-channel resources from among available sidelink channel resources with second UEs. The device transmits a sidelink channel occupancy sharing indicator that enables at least two devices to transmit data utilizing available sidelink channel resources within a channel occupancy duration. The sidelink channel occupancy sharing indicator includes a value for a selected listen before talk (LBT) type from among multiple LBT types for channel sensing. The LBT type signals, to a second UE receiving the sidelink channel occupancy sharing indicator, which LBT procedure to utilize before accessing resources identified by the sharing indicator. The UE allocates the available sidelink channel resources to the at least two second UEs to enable multiple devices to cooperatively share available sidelink channel resources via non-overlapping time or frequency domain usage in order to achieve a channel occupancy threshold level of resource utilization in an unlicensed spectrum.

Wireless communication is performed by: receiving downlink control information including by a user equipment in an inactive state, a cyclic redundancy check scrambled by a radio network with at least one base-station with paging-Radio Network Temporary Identifier at least one user equipment, user equipment monitors paging message in inactive state and uses paging-Radio Network Temporary Identifier to decode reception of paging message, wherein the user equipment receives more than one random-access channel resources from the network and the indication of Small Data transmission and user equipment selects the random-access channel resources.

The present invention relates to a method of transmitting a scheduling request (SR) by a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of: receiving an uplink shared channel (UL-SCH) resource; based on the UL-SCH resource being overlapped with another resource and the UL-SCH resource being deprioritized, triggering an SR for informing that the UL-SCH resource is deprioritized while having data available for transmission on the UL-SCH resource; and transmitting the SR to a network.

Systems and methods for two-step random access procedure are described. According to embodiments, a user equipment (UE) transmits a random access preamble on a random access channel. The UE also transmits data on an uplink data channel using a particular uplink data channel resource. The particular uplink data channel resource is selected by the UE based on the random access preamble.

The invention discloses an underwater acoustic signal communication and positioning integrated method. The existing method does not jointly consider the problem of channel resource occupation caused by integration of communication and positioning. According to the method, mutually orthogonal Chirp subcarriers are used as communication signals, meanwhile, long Chirp signals are used as pilot frequency, and the pilot frequency and the communication signals are overlapped together to be sent at a sender, so that extra channel overhead caused by additional pilot frequency is saved, and the signal sending time interval is shortened. A receiver uses a plurality of pilot signals to perform joint Doppler estimation and compensation and time of arrival estimation, and the result of the time of arrival estimation is used for a positioning system and a communication system on the one hand. According to the demodulation mode, correlation calculation is carried out by using different Chirp subcarriers, and symbol demodulation is carried out according to correlation values. According to the communication and positioning integrated waveform design method, the signal sending time interval can be shortened, the system complexity can be reduced, and good communication performance is achieved.

The invention discloses a data transmission method of a vehicle-mounted controller, relates to the technical field of data transmission, and effectively relieves the transmission conflict between OTA upgrade and a real-time control instruction through a multi-dimensional cooperation mechanism. A dynamic bandwidth allocation mechanism based on a vehicle running state breaks through a traditional fixed resource reservation mode, and precise adaptation of channel resources and safety requirements is achieved; performing semantic-level criticality analysis to deeply analyze the underlying logic association of the instruction, and constructing dynamic priority mapping; the fragment recombination and redundancy transmission technology significantly reduces the influence of upgrade interruption on the system, and ensures reliable delivery of key instructions; and the compensation transmission mechanism balances the timely recovery of the security instruction and the transmission efficiency of the non-critical data through a differential strategy.

The invention discloses a data link transmission method for a memory, relates to the technical field of data transmission, and solves the technical problems of resource mismatching, transmission delay increase and throughput reduction caused by mixed transmission of large-capacity data and small-capacity data. Small-capacity data are matched with fast and slow channels according to requirements, the problem of mismatching of data and channel resources is solved, the channels are screened and sorted based on dynamic indexes such as channel real-time loads, transmission speed mean values and periodic bandwidth utilization rates, the data are distributed in combination with a load balancing principle, the channels are prevented from being overloaded or idle, the overall channel utilization rate is improved, and the data transmission efficiency is improved. Secondly, through link optimization of combined packaging, repeated data replacement and priority scheduling, the control overhead and repeated transmission quantity of small data are reduced; meanwhile, a cache mechanism is introduced to multiplex high-frequency data, invalid transmission is further reduced, and delay is reduced.

The invention discloses a hybrid multiple access method which comprises the following steps: constructing an unmanned aerial vehicle cluster networking system which comprises an unmanned aerial vehicle cluster network; an unmanned aerial vehicle sending node in an unmanned aerial vehicle cluster network divides channel resource contention and a data packet receiving and transmitting process according to a unified clock, and channel time domain resources are divided into a control channel time interval (CCHI) stage and a service channel time interval (SCHI) stage through time division multiplexing; wherein in the CCHI stage, service channel resource negotiation is performed according to a preset MAC protocol frame structure, time-frequency multiplexing access is performed on a shared service channel, and preliminary hybrid multiple access is completed; the SCHI stage is used for sending a data packet; the unmanned aerial vehicle sending node increases the length of an avoidance window of the unmanned aerial vehicle sending node in the next round according to a preset backoff process in the service channel access process on the premise that a to-be-sent data packet does not suddenly change if the unmanned aerial vehicle sending node encounters the collision conflict of the data packet on the premise that the to-be-sent data packet does not suddenly change; and if the sending is smooth, reducing the length of the receding window.

This application relates to the field of wireless communication technologies, and provides a communication method and a communication apparatus. The method includes: A first terminal device performs first channel access, to obtain first COT of a first channel resource, where the first COT includes n first time units and a first time period in an (n+1)th first time unit, the first COT is continuous in time, a length L of the first time period is less than a length of the first time unit, L may be determined based on a channel access priority class p, and n is an integer greater than or equal to 0. The first terminal device sends data to a second terminal device in the first COT by using the first channel resource.

The invention provides a polarization diversity and frequency diversity combined low-altitude communication anti-interference system and a channel allocation method, and relates to the technical field of low-altitude communication, and the system is composed of a multi-polarization antenna array, a broadband radio frequency front end, a digital signal processing unit, a self-adaptive controller and an environment sensing module. The core of the invention is a polarization-frequency joint channel allocation method, and global optimal allocation of channel resources is realized by constructing a polarization-frequency two-dimensional channel quality matrix. The system adopts a multi-layer adaptive architecture and comprises a quick response layer and a deep optimization layer, so that the real-time performance and the optimization degree are balanced. In addition, the invention also provides an anti-intelligent interference diversity parameter dynamic adjustment mechanism and an interference identification method based on polarization characteristics, so that the communication reliability and the anti-interference capability of the system in a complex electromagnetic environment are remarkably improved. And communication with an extremely low bit error rate can still be kept in a strong interference environment.

The invention provides a unified converged communication platform integrating various communication protocols and a communication method thereof, and the platform comprises a dynamic resource scheduling management module which is used for selecting a corresponding call route for a user terminal and optimizing channel resources; the multi-protocol conversion module is used for converting different communication protocols when the call of the user terminal is successfully established, so that the user terminals of various communication protocols are fused and intercommunicated; and the security control module is used for carrying out identity authentication and authority distribution on the user terminal logging in the unified converged communication platform, and carrying out data encryption on data transmission on the unified converged communication platform by adopting a TLS / SSL encryption algorithm. Fusion and intercommunication of various types of protocol terminals are achieved through the multi-protocol conversion module, the utilization efficiency of network resources is optimized through the dynamic resource scheduling management module, the safety performance of the system is improved through the safety control module, and the communication efficiency and reliability of the communication industry are improved.

The invention relates to a low-power-consumption Bluetooth adaptive communication method and device, communication equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: a master device receives Bluetooth channel data and determines quality detection results of a plurality of channels; according to a quality detection result, adaptively selecting a frequency hopping channel, and forming a frequency hopping channel mapping graph based on the selected frequency hopping channel; according to a quality detection result, adaptively adjusting a working mode or transmitting power of a physical layer; and synchronizing the adjusted frequency hopping channel mapping graph and the physical layer working mode, or the adjusted frequency hopping channel mapping graph and the transmitting power to the slave device. By adopting the method, the frequency hopping channel is adaptively selected, the interfered channel is dynamically eliminated, and the communication reliability and the anti-interference capability are improved; by adjusting the PHY mode or the transmission power, the communication performance and the energy efficiency ratio are optimized, and the overall channel quality and the channel resource utilization rate of the low-power-consumption Bluetooth can be improved.

The invention discloses a feedback method of a channel state information report, a terminal and network side equipment, and belongs to the technical field of wireless communication, the feedback method of the channel state information report in the embodiment of the invention comprises the following steps: the terminal determines a plurality of uplink channel resources associated with at least one target CSI (Channel State Information) report, under the condition that the number of the target CSI reports is multiple, at least one target CSI report in the multiple target CSI reports is associated with multiple uplink channel resources; and the terminal feeds back the at least one target CSI report based on the plurality of determined uplink channel resources.

The invention discloses a complex electromagnetic environment construction method based on real-time pulse synchronization. Pulse sorting and output channel distribution are carried out according to radar priority and pulse arrival time; the radar signal simulator sends the corresponding pulse control word sequence to the corresponding radio frequency feed channel of the antenna array according to the channel distribution result of each radar pulse; each radio frequency feed channel of the antenna array calculates the control word required by each radar pulse in real time according to the received radar pulse related control word and caches the control word; each signal simulation channel of the radar signal simulator generates a corresponding radar pulse signal according to a corresponding radar pulse control word, the radar pulse signal is sent to a corresponding radio frequency feed channel of the antenna array through the real-time pulse synchronization device, and the antenna array inquires and obtains an array control word corresponding to the radar pulse according to a radar number. State switching control is carried out on the radio frequency feed channel; the maximum utilization of channel resources is realized, and the radar signal simulation number and the complex environment pulse density are improved.