15 results about "Single hop" patented technology

The invention discloses a heterogeneous networking architecture and method based on an electric red-hong system distributed soft bus, the heterogeneous networking architecture comprises an equipment grading module, a hybrid topology networking module, a main / standby path configuration module and a communication protocol adaptation module, the equipment grading module divides equipment into a rich type and a thin type according to capability, the rich equipment takes the core role of relay and calculation, and the thin equipment takes the core role of relay and calculation; the thin device focuses on the basic function, accurate resource allocation is achieved, and computing power waste is avoided; the hybrid topology networking module enables rich equipment to construct a mesh topology through a high-speed link, and multi-path transmission of key data is guaranteed; the thin device is connected with the rich device in a single-hop mode to form a star topology, connection is simplified, the communication range is expanded by means of the rich device, and efficiency and coverage are both considered; the main and standby path configuration module is used for configuring double paths for equipment, and automatic switching is realized when a main path fails, so that the anti-fault capability is greatly improved, and equipment disconnection caused by a single link fault is completely eradicated; the communication protocol adaptation module dynamically selects a protocol according to needs, breaks the protocol barrier, reduces the conversion delay, and improves the overall communication efficiency and compatibility.

A destination node, which is a node (2) included in a communication system comprising a sink node and a plurality of nodes (2), and capable of establishing a multi-hop wireless communication network, comprises a communication control unit (22) and a transmission and reception unit (21). Upon receiving transfer data transmitted from a source node (2) to the sink node and indicating an update value corresponding to a hop number from the source node to the destination node, the communication control unit (22) updates a first update value, which is the update value indicated by the received transfer data, to an updated first update value.If the updated first update value has not reached a transfer end value, the transmitting and receiving unit (21) transmits the transfer data in which the first update value has been updated to the updated first update value to an environment of the destination node. A difference between the first update value and the updated first update value corresponds to a single hop, and an initial value of the update value indicated by the transfer data is a value corresponding to a hop count from the source node to the sink node.

The invention discloses a heterogeneous data link interconnection and intercommunication method based on a unified identifier and multi-layer address mapping, which comprises the following steps: on the basis of a network layer, endowing each network device with a unified IP (Internet Protocol) communication address, and realizing heterogeneous identification of an address level by only establishing mapping between the address HA of each network device and the IP; in an isomorphic data link, an ARP module is added in a network layer, and an ARP cache table is directly established by using a broadcast form existing in a wireless network and network sensing information propagated in a single hop mode in the network; different network areas are identified by Area IP, and the network is divided into a plurality of sub-networks; and the node autonomously enters a new subnet and establishes connection with the node in the new subnet by taking the cross-region Area IP self-switching as a reference, and the communication connection in the node region switching process is kept based on the home agent. According to the invention, interconnection and intercommunication of heterogeneous data chains can be stably and reliably realized.

The present invention relates to an OFDMA-based on-vehicle ad hoc network communication system, belonging to the field of mobile communication technology. The system includes fixed nodes and mobile nodes, and each communication cycle is divided into a control time slot, a sensing time slot, and a data time slot. The system adopts a regional routing protocol, and each node only maintains a routing table within the regional radius, which is within a single hop. A table-driven routing method is used within the regional area, and an active routing method is used between regional areas. Route discovery between source and destination nodes is completed through route discovery at boundary nodes. The present invention can improve communication reliability and significantly reduce the maintenance scale of the routing network.

According to at least one of the embodiments disclosed in the present specification, a method by which a terminal transmits a sounding reference signal (SRS) in a wireless communication system comprises: receiving configuration information on an SRS for positioning through higher layer signaling; and transmitting the SRS for positioning in a frequency band of each of a plurality of hops on the basis of configuration information including a frequency hopping configuration for the SRS for positioning, the frequency hopping configuration can include i) information on a starting position of each hop and ii) information on a length of each hop in a time domain, and the terminal does not expect that a single hop among a plurality of hops configured based on the frequency hopping configuration is configured beyond a single time slot.

The application discloses a heterogeneous data chain interconnection and intercommunication method based on unified identification and multi-layer address mapping, which comprises the following steps: giving each network device a unified IP communication address based on a network layer, and each network device address HA only needs to establish a mapping with the IP to realize heterogeneous identification at the address layer; adding an ARP module in the network layer in a homogeneous data chain, directly establishing an ARP cache table by using a broadcast form existing in a wireless network and network perception information propagated in a single hop in the network; identifying different network areas by using an Area IP, and separating the network into multiple subnets; taking cross-area Area IP self-switching as a benchmark, realizing self-entry into a new subnet and establishing a connection with nodes in the new subnet, and keeping a communication connection during a node area changing process based on a home agent. The application can stably and reliably realize the interconnection and intercommunication of heterogeneous data chains.

The invention discloses a heterogeneous multimode multi-hop covert communication method based on cooperation of single-hop opportunistic interference and an intelligent reflecting surface. The method comprises the following steps: establishing a covert communication system model; for each candidate single hop, dynamically controlling the on / off of a jammer according to a set interference threshold and an instantaneous channel state; in a single hop of starting interference, a reflection signal and a direct signal are superposed in the same phase at a receiving end through intelligent reflection surface phase matching, so that the receiving signal power is maximized; transmitting and interference power are jointly optimized, and the single-hop throughput is maximized under the condition that the concealment constraint is met; screening available single hops meeting the concealment requirement in the network and communication modes of the available single hops, and selecting the optimal mode of each single hop; and constructing a directed graph based on the available single hops, and selecting an end-to-end transmission path which enables the minimum throughput of the path to be maximum by taking the throughput of the single hops as an edge weight. According to the invention, the overall optimization of end-to-end throughput performance and low detectability is realized.

A method trains an inference model on two-hop NLI problems that include a first and second premise and a hypothesis, and further includes generating, by the model using hypothesis reduction, an explanation from an input premise and an input hypothesis, for an input single hop NLI problem. The learning step determines a distribution over extraction starting positions and lengths from within the first premise and hypothesis of a two-hop NLI problem. The learning step k extraction output slots with combinations of words from the first premise of the two-hop NLI problem and fills another extraction output slots with combinations of words from the hypothesis of the two-hop NLI problem. The learning step trains a sequence model by using the extraction output slots and the other extraction output slots together with the second premise as an input to a single-hop NLI classifier to output a label of the two-hop NLI problem.

This invention discloses a heterogeneous multimode multi-hop covert communication method based on single-hop opportunistic jamming and intelligent reflector collaboration, comprising the following steps: establishing a covert communication system model; for each candidate single hop, dynamically controlling the activation and deactivation of the jammer according to a set jamming threshold and instantaneous channel state; in the single hop with jamming enabled, using intelligent reflector phase matching to ensure that the reflected signal and the direct signal are superimposed in phase at the receiving end to maximize the received signal power; jointly optimizing the transmission and jamming power to maximize single-hop throughput while satisfying the covertness constraint; screening available single hops and their communication modes that meet the covertness requirements in the network, and selecting the optimal mode for each single hop; constructing a directed graph based on available single hops, using single-hop throughput as the edge weight, and selecting the end-to-end transmission path that maximizes the throughput while minimizing the path length. This invention achieves overall optimization of end-to-end throughput performance and low detectability.

A network virtualization device receives a storage request from a compute instance executed by a host machine separate from the network virtualization device, the storage request comprising data to be stored. Responsive to receiving the storage request, the network virtualization device divides the data to be stored into a set of one or more data stripes. For a first data stripe in the set of data stripes, the network virtualization device determines, from a plurality of extent servers, a first extent server to which the first data stripe is to be sent for storing the first data stripe, transmits the first data stripe to the first extent server, wherein the first extent server stores the first data stipe to a first physical storage device, and receives, from the first extent server, an acknowledgement confirming that the first data stripe was stored.

The application discloses a satellite hybrid hop-beam allocation method and device and a storage medium, and relates to the technical field of satellite communication. The method comprises the following steps: determining a regular beam and a wandering beam corresponding to a target cluster in a current hop-beam period; defining a wave position allocation variable and a power allocation variable corresponding to the wave position of different hop-beam time slots of the wandering beam in the current hop-beam period; defining a chromosome vector according to the wave position allocation variable and the power allocation variable, and initializing the chromosome vector to obtain a chromosome population; constructing a fitness function; iteratively optimizing the chromosome population by using a genetic algorithm to determine an optimal chromosome vector; and determining an optimal joint allocation mode of the wave position and the power of the wandering beam of the target cluster in the current hop-beam period according to the optimal chromosome vector. Thus, the application realizes time slot-beam-power three-dimensional cooperative joint allocation of the target cluster in a single hop-beam period under a low-orbit satellite hybrid hop-beam architecture.

The invention is particularly directed to a signal quality determining device (300) comprising a transceiver unit configured to provide a wireless beacon request signal as an indication request to any wireless communication device (312.1, 312.2, 340) within a single hop distance of the signal quality determining device and belonging or not belonging to a wireless communication network 350 to which the signal quality determining device belongs, to provide a corresponding beacon response signal upon reception of the beacon request signal, and to receive the beacon response signal. The signal quality determining device is configured to determine a beacon signal quality data (SQ) indicative of a received signal quality, e.g. a RSSI of the beacon response signal, or a channel state CSI of the corresponding wireless communication link. The signal quality determining device is adapted to reduce the complexity of a radio frequency based presence or motion sensing functionality.

The embodiment of the invention provides a communication and sensing integrated channel modeling method and device, and relates to the technical field of communication, and the method comprises the steps: determining a target cluster of at least one target, the target comprises at least one of the following items: a sensing target, an environment object, and clutter interference, the target cluster comprises at least one of the following items: a sensing target cluster, an environment object cluster and a clutter interference cluster, and the sensing target cluster is a cluster signal that a sensing signal reaches a sensing receiving end from a sensing sending end through single hop or two hops of a sensing target; the environment object cluster is a cluster signal that the sensing signal reaches the sensing receiving end from the sensing sending end through environment object single hop, and the clutter interference cluster is a cluster signal that the sensing signal reaches the sensing receiving end in a multi-hop manner; wherein the environmental objects are uniformly distributed in a preset range of the sensing target; and based on each target cluster, constructing a communication and sensing integrated channel.

The present disclosure provides a measurement and reporting method, device and communication device, which solve the problem of optimal beam information of single hop links in the RIS system or relay system cannot be obtained through relevant technologies. The measurement and reporting method in the embodiment of the present disclosure includes: obtaining, by a first node device, first information, where the first node device is used for transmission with a terminal and / or a network side device; performing, by the first node device, measurement and reporting according to the first information. The first information includes at least one of first measurement and reporting configuration information, first measurement resource configuration information, and first predefined information.

This disclosure relates to large-scale networks with high port utilization. A data communication system includes multiple disjoint sets of switches, each set comprising multiple disjoint subsets of switches within that set. Local links interconnect the switches in each subset in a fully connected topology, such that no switch in any given subset is connected in a single hop to any switch in any other subset within the same set. Global links interconnect the sets of switches, each global link connecting a switch in one set to another switch in another set, such that each subset of switches in any given set is connected in a single hop to at least one subset in every other set of switches via at least one global link.