1105 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.

The invention relates to an automatic switching method of a terminal and a satellite based on multi-attribute decision, and belongs to the technical field of satellite communication. The objective of the invention is to solve the problems of frequent switching and network performance reduction caused by high-speed movement of satellites in a 5G NTN low-orbit satellite communication scene. The method comprises the following steps: firstly, a terminal collects information of satellites in a visible range, including longitude and latitude, signal strength, serial numbers, channel resources and the like, and reports the information to a service satellite; and the service satellite calculates the remaining coverage time of the current satellite on the terminal according to the reported information, and judges whether to trigger switching. And if switching is triggered, the service satellite screens a candidate satellite set, quantitative evaluation is carried out according to attributes such as a satellite elevation angle, residual service time, the number of channels and switching time delay, and the satellite with the maximum comprehensive quantitative value is selected as a target satellite. And finally, the service satellite initiates a switching request to the target satellite and starts a switching process to complete switching between the terminal and the satellite.

The disclosure relates to methods, devices, and systems for wireless communications. In some wireless communications systems, a base station may transmit a multicast message to a group of user equipment (UEs), and the UEs may provide feedback for the multicast message. In some implementations, the base station may configure the UEs to transmit feedback for multicast messages. In some example, the UEs may transmit group-negative acknowledgment (NACK) feedback information for multicast messages that are not successfully received at the UEs. In some other examples, each UE may be configured with UE-specific uplink control channel resources for transmitting hybrid automatic repeat request (HARQ) feedback for a multicast message. In some implementations, a UE may support feedback for both unicast and multicast messages. The semi-static codebook for unicast, multicast, or both may account for whether the UE is capable of concurrently receiving unicast and multicast messages in a slot.

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 embodiment of the invention provides a data transmission method and device and a storage medium, relates to the technical field of communication, and can realize directional allocation of channel resources to APs in a multi-AP cooperative group. The method comprises the following steps: receiving a first frame sent by a second AP; the second AP and the first AP belong to the same multi-AP collaboration group; the first frame comprises a group member identifier of the first AP in the multi-AP collaboration group; the first frame is used for allocating target channel resources to the first AP based on the group member identifier; and performing data transmission on the target channel resource. The present disclosure may be used in fiber to the room (FTTR) scenarios. According to the FTTR technology, wireless router APs in different rooms or positions in scenes such as families or small and medium-sized enterprises are connected through optical fibers, so that high-bandwidth and high-reliability connection of networking among multiple APs is provided, and connection between a master control AP and slave APs can be achieved through a point-to-multipoint optical distribution network.

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.

A method includes performing channel encoding on a plurality of information bits to obtain a codeword that includes a plurality of code bits; segmenting the codeword into a plurality of segments of code bits; performing the following for each of the plurality of segments of code bits of the codeword: selecting, based on the segment of code bits, a set of channel resources, wherein each set of channel resources is selected among a plurality of sets of channel resources, wherein each of the sets of channel resources includes a unique combination of channel resources including one or more of a selected base sequence, a cyclic shift and a selected set of frequency domain resource elements; mapping the selected base sequence onto the selected set of frequency domain resource elements; and transmitting the selected and frequency mapped base sequence via an OFDM symbol.

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.

Methods, systems, and devices for wireless communication are described. A network can configure a packet delay budget for wireless communication over a logical channel and a delay status report for a user equipment (UE) according to a trigger condition for sending the delay status report. If the UE identifies that a logical channel has satisfied the trigger condition, the UE can send a delay status report indicating a remaining delay budget for the logical channel. The UE can send the delay status report via a physical uplink shared channel resource or via a physical uplink control channel resource.

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.

In accordance with example embodiments of the invention there is at least a method an apparatus to perform determining a vector of uplink sounding channel resources in a cell at a user equipment position, wherein the vector of uplink sounding channel resources is associated with a sounding channel parameters configuration allocated to the user equipment for uplink transmissions; based on the determined vector of uplink sounding channel resources in the cell at the user equipment and a vector of uplink sounding channel resources of a neighboring cell, predicting a set of interference probabilities which forms an interference-based distribution due to uplink sounding channel resources in at least one neighbor cell; and based on the predicted set of interference probability, selecting a radio access network resources configuration vector associated with a sounding channel resource for the user equipment to counteract uplink interference in the radio access network.

The invention discloses an indoor wireless coverage distribution system, relates to the technical field of communication, and solves the problems that the overall indoor communication smoothness cannot be ensured and seamless switching between wireless networks cannot be completed due to the condition that the signal intensity of a part of regions is too high or too low. The wireless coverage distribution system comprises a wireless multi-system access platform, a signal quality evaluation module, a user track prediction module, a channel resource configuration module, an antenna network module and a plurality of indoor communication base stations. And through a channel resource configuration module, calculating comprehensive evaluation values of all base station access points related to the predicted advancing track according to the predicted advancing track, and setting the base station access point with the highest comprehensive evaluation value as an optimal base station access point to which a user prepares to switch. Channel resources are allocated to the corresponding optimal base station access point in advance after the user enters the set range; according to the invention, seamless switching between wireless networks can be completed according to the expected action track of the user, channel resource reservation is carried out in advance, and continuity and stability of network connection are ensured.

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.

Provided are information transmission method and apparatus. The information transmission method includes that: D control channel resource groups are determined, control information is detected in the D control channel resource groups, and transmission of a channel and / or signal is performed according to control information which is detected.

The invention relates to a physical channel resource mapping method for a PDSCH (physical downlink shared channel) of a power wireless private network, which belongs to the technical field of wireless communication, and comprises the following steps of: redesigning resource mapping of mapping a 5GNR PDSCH to the power wireless private network according to an OFDM (orthogonal frequency division multiplexing) symbol and subcarrier distribution mode in a standard 5GNR PDSCH to form a power wireless private network resource grid, and remapping discrete PDSCH resource blocks to form a power wireless private network resource grid; corresponding timing synchronization, frequency synchronization and channel estimation and equalization methods are provided, the requirement that 5GNR PDSCH resources can be transmitted in a power wireless private network is met, and the spectrum utilization efficiency and the system anti-interference capacity are improved.

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.

An apparatus includes means for determining to use a set of transmit antenna arrangements for spatial division multiplexing or single frequency network based simultaneous transmission across multiple antenna arrangement physical uplink shared channel transmission; and means for determining to use the set of transmit antenna arrangements for a physical uplink control channel resource transmission, in response to two different transmission configuration indicator states being indicated and the apparatus being configured to apply physical uplink shared channel precoding for simultaneous transmission across multiple antenna arrangement physical uplink shared channel transmission.