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40 results about "Multipath communication" patented technology

Dynamic multi-pathing (DMP) is a type of communication path control software application. Path control is an approach to optimizing configuration and routing management for storage networks; DMP is used to automate these processes for storage network data backup and restoration.

Techniques to reduce latency spikes in multipath communication systems

A method for increasing the efficiency of a multipath (MP) communication network includes: providing at least a first communication path and a second communication path for exchanging data packets between a sender entity and a receiver entity; determining timing information about the first communication path and about the second communication path; calculating a latency difference ΔL by using the timing information of the first communication path and of the second communication path; and delaying data packets sent over the communication path with the shorter latency value by a time interval TDelay that has at least the length of the latency difference ΔL.
Owner:DEUTSCHE TELEKOM AG

Multi-path communication system and method based on full duplex

The invention relates to the technical field of communication, in particular to a multi-path communication system and method based on full duplex, which comprises at least two communication nodes, each node is provided with a full duplex communication module, and signals can be simultaneously transmitted and received at the same time and frequency; the multi-path selection module is connected with the full-duplex communication module and can select an optimal or combined path from a plurality of available paths to transmit data according to the real-time state information of a communication link; the interference elimination module is used for eliminating or suppressing self-interference and external interference signals; the control and coordination module uniformly controls and coordinates all the modules to guarantee stable operation of the system. According to the invention, the communication efficiency can be improved, the stability and reliability of data transmission are ensured, the anti-interference capability is enhanced, and high-real-time scene requirements in power grid application and power grid unmanned aerial vehicle application can be met.
Owner:CONSTR BRANCH OF STATE GRID XINJIANG ELECTRIC POWER CO LTD +1

Power line carrier communication acceleration method, system and device and storage medium

The invention discloses a power line carrier communication acceleration method, system and device and a storage medium, and the method comprises the steps: carrying out the multipath communication transmission through employing an MIMO structure, and collecting the multipath channel state data in real time; according to the collected multi-path channel state data, utilizing a machine learning algorithm to predict multi-path channel state data of the next time period; according to a preset state evaluation index, state evaluation is carried out on the predicted channel state data of each path in the next time period, a channel state evaluation value is correspondingly obtained, and a corresponding path transmission optimization strategy is determined; and adjusting the corresponding path transmission mode of the next time period according to each determined path transmission optimization strategy, and completing multi-path communication transmission of the next time period in the adjusted corresponding path transmission mode. According to the invention, the communication rate and stability of power line carrier communication in long-distance transmission can be improved, and it is ensured that high acceleration cost does not need to be consumed.
Owner:JIANGSU HIMARK TECH

Adaptive packet routing

A computer-implemented method includes encoding a packet in a source endpoint of a multipath communication network, the packet having a hash seed for use by a router to route the packet to a destination endpoint over the multipath communication network. Network performance for packets is tracked at a source endpoint. The hash seed is modified as a function of network performance. The packet is retransmitted such that the modified hash seed is used to route the packet to the destination endpoint.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC

Data multipath transmission disguise method based on protocol and sending rate

The invention discloses a data multipath transmission camouflage method based on a protocol and a sending rate, and the method comprises the following steps: 1, carrying out the fragmentation of original data through an entrance node according to a predefined protocol rule based on the obtained original data, and obtaining a plurality of data segments; step 2, disguising the encrypted data segment by using a protocol disguising module to obtain a disguising message; step 3, forwarding the rate camouflage message to a multipath communication network in parallel on each path through a plurality of communication paths by adopting an entrance node; step 4, the exit node decapsulates and verifies the rate camouflage message to obtain a plurality of data segments; step 5, the exit node sends the plurality of data segments to a receiver server according to the serial numbers of the exit node; and step 6, the exit node and the entrance node are mutually exchanged, and then the step 1 is returned to continue. And the anti-analysis capability and the concealment of the communication system are enhanced while the transmission reliability is improved.
Owner:XIAN UNIV OF TECH

Method executed by user equipment and user equipment

Provided are a method executed by a user equipment (UE) and the UE, the method executed by the UE being executed in a process of communication between the UE and a base station based on a multipath communication mode, comprising: the UE receiving an RRC reconfiguration message carrying configuration information of an indirect path from the base station, the configuration information at least comprises a UE identifier of a target UE for an indirect path; the UE starts to establish the connection with the target UE under the condition that the UE does not establish the connection with the target UE; and the UE sends an NR side link UE information message to the base station, and in the NR side link UE information message, the UE sets information in a cell sl-Destination Identity as the UE identifier of the target UE. Therefore, the UE can enable the base station to clearly determine the address information associated with the reported SL BSR MAC CE in a multi-path working mode, so that resource allocation can be properly carried out in a network, and the utilization efficiency of resources is improved.
Owner:SHARP KK

Quasi-static intelligent reflecting surface three-dimensional forming beam forming design method based on subarray activation

The invention discloses a quasi-static intelligent reflecting surface three-dimensional forming beam forming design method based on subarray activation, and relates to wireless communication. For a broadband multipath communication scene assisted by the QS-IRS, maximization of the minimum average RSRP of users in a target area is taken as an optimization target, subarray division and arrangement are carried out on the QS-IRS by adopting an OFDM-like mode, multipath parameter information of each user in the target area needing beam coverage is acquired through a ray tracing method, and the multipath parameter information of each user in the target area needing beam coverage is acquired. And designing a two-stage iterative equalization forming beamforming algorithm based on sub-array activation. The minimum average RSRP of the users in the specific target area is improved, and the minimum average RSPR close to the exhaustion search algorithm is achieved. And the complexity is greatly reduced. And obtaining sub-array combination configuration parameters based on the algorithm, including the beam direction # imgabs0 # of each sub-array and the common phase factor epsilon n, and completing the phase design of the whole QS-IRS reflection unit. And a new method is provided for QS-IRS three-dimensional forming beam design.
Owner:XIAMEN UNIV +1

Methods and apparatuses relating to wireless communication

This specification describes an apparatus comprising: means for receiving, at a target user equipment, UE, a signal including information indicative of supporting UE measurements of signals transmitted from the target UE to a supporting UE via a multipath communications channel, the supporting UE measurements including delay and angle measurements of the signals transmitted from the target UE to the supporting UE via the multipath communications channel; means for time-aligning the supporting UE measurements with target UE measurements of signals transmitted from the supporting UE to the target UE via the multipath communications channel, the target UE measurements including delay and angle measurements for the signals transmitted from the supporting UE to the target UE via the multipath communications channel; means for determining, based on the time-aligned measurements, an association between a component of the target UE measurements and at least one respective component of the supporting UE measurements, wherein the associated components are determined to correspond to a particular reflector in an environment of the target UE; and means for determining, based on the associated components, location information for the particular reflector.
Owner:NOKIA TECHNOLOGIES OY

Multi-path communication method and device

The embodiment of the invention provides a multi-path communication method and device. And the remote terminal equipment receives first indication information sent by the relay terminal equipment or second indication information sent by network equipment, and triggers or sends a first PC5-RRC message to the relay terminal equipment according to the first indication information or the second indication information, and the first PC5-RRC message is used for enabling the relay terminal equipment to enter an RRC connection state. Therefore, the relay terminal equipment can provide relay service for the remote terminal equipment.
Owner:1FINITY INC

Multipath communication for user devices in centralized unit and distributed unit partitioning architectures

Presented is a system, method, apparatus, or computer-readable medium for multipath communication. A centralized unit (CU) may send multipath configuration information to a distributed unit (DU). The CU may receive multipath configuration response information from the DU. In some embodiments, the multipath configuration information comprises mapping information that may identify an association between an F1-U tunnel of a data radio bearer (DRB) for a remote wireless communication device and a Uu radio link control (RLC) channel for a relay wireless communication device, or an association between an F1-U tunnel of a data radio bearer (DRB) for an anchor wireless communication device and a Uu radio link control (RLC) channel for an aggregated wireless communication device.
Owner:ZTE CORP

Securing multi-path TCP (MPTCP) with WireGuard protocol

A method of a server to establish secure multipath communications between the server and a user device includes establishing a WireGuard connection with the user device, establishing a first sub flow of a multipath transmission control protocol (MPTCP) connection with the user device using a first WireGuard virtual private network (VPN) tunnel, the first sub flow having a first path, sending a message to initiate a second path between the server and the user device, the message including a WireGuard interface address, public key for the server, and WireGuard indicator, receiving a reply message with a public key for the user device, and establishing a second sub flow of the MPTCP connection with the user device using a second WireGuard VPN tunnel, the second sub flow having the second path.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Life jacket alarm method based on Beidou positioning and wireless communication

The invention discloses a life jacket alarm method based on Beidou positioning and wireless communication, and particularly relates to the field of Beidou communication positioning of life jackets, which comprises the following steps: acquiring and forming a track point data sequence through a Beidou positioning device and a posture sensing component of a life jacket, and performing segmentation, traversal and coding operation on the track point data sequence to obtain a track point data sequence; generating a track redundancy coding segment and establishing an index corresponding relation; collecting communication link state data, calculating a shielding probability value and a shielding duration estimation value, generating a shielding trigger state mark, then combining with a track uploading timestamp to form a shielding label, and establishing a time corresponding relation between the shielding label and the communication link state data. Through constructing a shielding situation identification and frequency hopping relay cooperation mechanism, dynamic track perception and multipath communication compensation of the drowning life jacket in a shielding state are realized.
Owner:FAN YUE TECH (SHANGHAI) CO LTD

Multi-path communication for user equipment in centralized unit and distributed unit splitting architectures

Systems, methods, apparatus, or computer-readable media for multipath communication are presented. A centralized unit (CU) may send multipath configuration information to a distributed unit (DU). The CU may receive multipath configuration response information from the DU.
Owner:ZTE CORP

Multipath communication method, device and system

The embodiments of the present application provide a multi-path communication method, device and system, which relate to the field of communication technology and can solve the technical problem in the prior art that the sending device identifies the delay fluctuations caused by the inherent delays between the paths as delay fluctuations caused by network congestion, and therefore believes that there is network congestion and exits the slow start process early, resulting in a slow growth of the congestion window and low path utilization. The method includes: the path source device determines the waiting delay of the first path and the waiting delay of the second path according to the inherent delay of the first path and the inherent delay of the second path; wherein the sum of the inherent delay of the path and the waiting delay of the path is the transmission delay of the path; the difference between the transmission delay of the first path and the transmission delay of the second path is less than or equal to the preset time difference; the waiting delay of the path is used for when a message needs to be sent through the path, the link source device sends the message through the path after the waiting delay of the path ends.
Owner:HUAWEI TECH CO LTD

Techniques for beam failure recovery in multipath communications

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may communicate with a network entity using one or more directional beams. The UE may detect a beam failure associated with at least one of the one or more directional beams, and the UE may calculate a duration between the detected beam failure and a subsequent random access occasion. The UE may send a beam failure recovery (BFR) message to the network entity or to a second UE indicating the detected beam failure based on whether the calculated duration satisfies a threshold duration. For example, when the calculated duration is greater than or equal to the threshold duration, the UE may send the BFR message to the second UE. Alternatively, when the calculated duration is less than the threshold duration, the UE may send the BFR message to the network entity.
Owner:QUALCOMM INC

Spatially consistent multi-user multiple input, multiple output (MU-MIMO) spatial support modeling and prediction

A method is provided that includes defining a target user equipment (UE) in a clustered delay line (CDL) channel model of a multipath communication environment between a base station and the UE, where the target UE is defined in the CDL channel model by channel model parameters. The method includes defining inter-user interference UEs for multi-user multiple input, multiple output (MU-MIMO) in the CDL channel model, one of which is more closely located to the target UE than another that is located farther away from the target UE. The method includes generating channel model parameters for the inter-user interference UEs in the CDL channel model based on the channel model parameters for the target UE. In this regard, a spatial consistency procedure is used by which the channel model parameters for the inter-user interference UEs are spatially consistent with the channel model parameters for the target UE.
Owner:NOKIA TECHNOLOGIES OY

Multi-path adaptive communication switching power distribution network intelligent monitoring method, system, equipment and medium

The invention relates to the technical field of power system power distribution network monitoring, and discloses a multi-path adaptive communication switching power distribution network intelligent monitoring method, system and device and a medium. And establishing a multi-dimensional quality evaluation model covering signal strength, time delay and packet loss rate and a link health degree prediction mechanism, and performing intelligent path decision by adopting a deep reinforcement learning algorithm. The system monitors the state of each link in real time, triggers millisecond-level fast switching based on a Markov decision process when detecting quality degradation or predicting a fault risk, and avoids a multi-node switching conflict by using a distributed collaborative mechanism. Through resource pooling management and service priority scheduling, the reliability of high-priority services such as remote control and remote signaling is ensured, and safe and stable operation of the power distribution network is effectively ensured.
Owner:GUIZHOU POWER GRID CO LTD

Multipath communication method and apparatus

Embodiments of the present invention provide a multi-path communication method and apparatus. A remote terminal device receives first instruction information transmitted by a relay terminal device or second instruction information transmitted by a network device, and triggers or transmits a first PC5-RRC message to the relay terminal device according to the first or second instruction information, the first PC5-RRC message is used to transition the relay terminal device to a wireless resource control connection state. This enables the relay terminal device to provide relay services to the remote terminal device.
Owner:1FINITY INC

Methods and systems for managing multipath communication

A method managing multipath communication includes acquiring a plurality of network addresses respectively corresponding to a plurality of servers associated with a domain, sending a data request to at least one server of the plurality of servers based on the acquired plurality of network addresses, receiving a first data packet transmitted from a first server of the plurality of servers in response to the data request, the first data packet being received first in order among a plurality of data packets received from the plurality of servers in response to the data request, accepting the first data packet, and rejecting data packets transmitted from each server of the plurality of servers other than the first server.
Owner:SAMSUNG ELECTRONICS CO LTD

Executing multipath communication

A method for executing multipath communication at a target communication device includes obtaining, from a source communication device, data packets via two or more different paths, where a header of each data packet includes packet information, which is indicative of an association among the plurality of data packets. The packet information in each data packet at a source communication device is the same as packet information in each data packet at a target communication device irrespective of different radio access technologies, communication protocols, or radio links used in the two or more different paths. The plurality of data packets includes different data packets having different payload or duplicate data packets having a copy of the same payload. The method further includes identifying a first set of data packets received via a first path and a second set of data packets received via a second path based on the packet information.
Owner:HUAWEI TECH CO LTD

Link-adaptive heterogeneous network routing networking method

The invention discloses a link-adaptive heterogeneous network routing networking method, which is applied to heterogeneous network nodes and comprises the following steps: acquiring link state information of a current communication interface in real time through a cross-layer detection mechanism; calculating a comprehensive routing weight of the current link according to the link state information; dynamically adjusting an interaction strategy of the routing message based on the comprehensive routing weight and the link type; the link type comprises a high-priority link and a low-priority link, and the interaction strategy comprises the sending frequency and format version of the routing message; and carrying out data transmission according to the interaction strategy, and carrying out link switching and routing table updating according to the priority of the link and the real-time link state under the multipath communication condition. According to the method, the routing message strategy can be dynamically optimized in a self-adaptive manner under different link conditions, a rapid sensing and instant routing re-calculation mechanism is introduced in the multipath switching process, continuous convergence of the routing can still be kept under the scene of relatively low bandwidth or rapid topology change, and the stability of network communication is improved.
Owner:WUHAN ZHONGYUAN COMM CO LTD

Multipath communication and control

Disclosed are improvements in communication methods and techniques where more than one communication path is available. The methods include determining a first throughput of the first path. The first throughput may be based on a first path of a connection, a mode selection, and analysis of a first packet configured to determine a parameter of the first path. The methods may include determining a second throughput, and the methods may further include sending a third packet comprising data of an application. The third packet may be based on the first throughput and the second throughput.
Owner:COMCAST CABLE COMM LLC

Near space large dynamic strong multipath communication access switching system

The invention discloses a near space large dynamic strong multipath communication access switching system, which comprises a communication master node and communication slave nodes, the communication main node comprises a physical layer processing module, a trigger detection module, a rapid scheduling processing module, a smooth optimization processing module and an exit monitoring module. The communication slave node comprises a physical layer processing module and a control management module. According to the method, in deep space exploration activities such as the lunar surface, a large dynamic strong multipath scene is quickly and accurately identified through a trigger detection algorithm, and blind switching to a strong multipath resistant lowest rate gear is realized by adopting quick scheduling processing on the premise of confirming that an effective signal still meets the capability of a receiver; the problem of large communication waste caused by switching failure-return-switching re-failure in a traditional communication system protocol switching mechanism is solved.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Method for establishing multipath communication

Methods, apparatuses, and systems for second path addition in communications are disclosed. The method comprises: triggering, by a base station, a relay of a second path to enter a state for connection with the base station; transmitting a first configuration message indicating the addition of the second path to the relay, the first configuration message comprising information related to the UE; receiving, from the relay, a first response message indicating a configuration of the relay-to-base station portion of the second path; receiving, from the relay, a notification indicating establishment of sidelink communication between the relay and the UE, the notification including a status of the UE; transmitting a second configuration message indicating the addition of the second path to the UE; and receiving, from the UE, a second response message indicating a state of configuration of the first path in a case where the second path is added.
Owner:TOYOTA JIDOSHA KK

A multipath communication method and device

This application discloses a multipath communication method and device applied in D2D communication scenarios. In this method, a source terminal sends a request message including multipath indication information to indicate the establishment of multiple transmission paths with a destination terminal. The source terminal receives a response message from at least one terminal, which is either the destination terminal or at least one of one or more relay terminals. The source terminal sends data for the target service to the destination terminal through the multiple transmission paths, including: transmission paths established between the source terminal and the destination terminal through one or more relay terminals, and / or transmission paths directly established between the source terminal and the destination terminal. Establishing multiple transmission paths helps improve data transmission reliability or increase data transmission rate; moreover, the above method avoids repeatedly executing the PC5 connection establishment process to establish multiple transmission paths, simplifying the process and helping to shorten the establishment time of multiple transmission paths.
Owner:HUAWEI TECH CO LTD

Resilience against unknown denial-of-service attacks via multipath communications

Presented herein is an effective protection method against unknown and unanticipated denial-of-service attacks and guarantee mission critical message delivery. Multipath communication may be leveraged as a preventive device-centric mechanism to ensure message deliveries in the event of unknown denial-of-service attacks. The mechanism may complement other device-centric mitigation techniques as the mechanism does not wait for the detection of adversaries in the network and is attack-agnostic. In particular, the technique may be effective against a wide range of denial-of-service attacks at any protocol layer.
Owner:THE WICHITA STATE UNIV +1

Methods for establishing multipath communication

A method, apparatus, and system for adding a second path in a communication is disclosed. The method includes a base station triggering a relay device for the second path to a state for connection with the base station; transmitting a first configuration message to the relay device indicating the addition of the second path and including information about the UE; receiving a first response message from the relay device indicating the configuration of the portion of the second path between the relay device and the base station; receiving a notification from the relay device indicating the establishment of sidelink communication between the relay device and the UE and including the state of the UE; transmitting a second configuration message to the UE indicating the addition of the second path; and receiving a second response message from the UE indicating the status of the configuration of the first path with the second path added.
Owner:TOYOTA JIDOSHA KK