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6767 results about "Handover" patented technology

In cellular telecommunications, the terms handover or handoff refer to the process of transferring an ongoing call or data session from one channel connected to the core network to another channel. In satellite communications it is the process of transferring satellite control responsibility from one earth station to another without loss or interruption of service.

Multi-hop communication node intelligent scheduling method and system

The invention discloses a multi-hop communication node intelligent scheduling method and system, and relates to the technical field of communication networks. The method is used for solving the scheduling and switching problems of multi-hop relay nodes in disaster emergency communication. Residual energy, channel fading parameters and link load data of an unmanned aerial vehicle and a ground terminal are collected, a communication potential index is calculated in combination with dynamic weight fusion, and the relay capability of a node in a complex environment is accurately evaluated. A relay node selection threshold is set according to the disaster type, nodes with communication potential indexes higher than the disaster adaptation threshold are preferentially selected, an initial hybrid topology structure with preferential survivability is constructed, and the network stability and survivability are improved. An autonomous game agent model is adopted, a multi-target reward function is designed based on local channel quality, residual energy and task emergency degree, it is ensured that the network achieves collaborative optimization of energy consumption balance, transmission real-time performance and survivability under the condition of dynamic topology and node failure, and efficient and continuous optimization of the disaster emergency communication network is achieved.
Owner:TIANJIN ZHIDAO TECH CO LTD

Construction progress control method in project supervision

The invention discloses a construction progress control method in project supervision, and the method comprises the steps: calculating the current punctual completion rate and process handover delay time of each subpackage provider according to a real-time progress data set and a pre-established project network diagram, recognizing the progress fluctuation modes of different project stages through a time sequence analysis method, and carrying out the construction progress control according to the progress fluctuation modes. Establishing a correlation model of the sub-packaging quotient and the engineering stage; according to the priority scores, taking minimization of overall construction period delay and resource idleness as objective functions, applying an optimization algorithm, dynamically adjusting a construction plan and a resource allocation scheme of each subpackage provider, and generating an optimized project progress plan which comprises specific work arrangement and resource allocation suggestions of each subpackage provider; a successful coordination strategy in a historical project is analyzed, coordination measures are recommended for project management personnel and a set of communication matrix is generated according to characteristics and progress conditions of a current project, and the coordination measures comprise resource allocation suggestions, process optimization schemes and communication strategy templates.
Owner:TAIYU CONSTR ENG TECH CONSULTING CO LTD

Enhanced layer 1-layer 2 (l1 / l2) triggered mobility (LTM) handover (HO) procedure

A Layer 1-Layer 2 (L1 / L2) Triggered Mobility (LTM) handover (HO) procedure, and method. A gNB-Centralized Unit User Plane (gNB-CU-CP) sends Radio Resource Control (RRC) messages with LTM candidate cell configuration of LTM candidate gNB-DUs. Based on the RRC messages, a Layer (L1) Measurement Report is sent to the LTM candidate gNB-DUs. In response, the LTM candidate gNB-DUs determine whether a radio condition of the LTM candidate gNB-DUs meet a predetermined resource reservation criteria. Based on meeting the predetermined resource reservation criteria, the LTM candidate gNB-DUs initiate reservation of radio resources for an LTM candidate cell for a LTM cell switch. The LTM candidate gNB-DUs send to the gNB-CU-CP an updated LTM candidate cell configuration. The gNB-CU-CP sends the updated radio resource configuration to the UE via the serving gNB-DU.
Owner:RAKUTEN SYMPHONY INC +1

Service Link Switching in a Non-Terrestrial Network (NTN)

A wireless device may change from communicating with a first node to communicating with a second node, for example, based on a switch or a handover. A wireless device that receives an indication for a switch (e.g., to a satellite or wireless communication device) and an indication for a handover may determine which to perform based on a time indicated for the switch. For example, the handover may be initiated after receiving an indication to perform the switch if the handover is initiated before the time for the switch.
Owner:COMCAST CABLE COMM LLC

Marine multi-link converged communication method and system

The invention relates to the technical field of ship communication, in particular to a multi-link converged communication method and system for a ship. The method comprises the following steps: receiving navigation information broadcasted by other ships in a preset range, evaluating the availability of a communication frequency band, and generating sea area communication channel state data; acquiring geographic position data of each ship; space communication link potential analysis is carried out according to the geographic position data of each ship and the sea area communication channel state data, and cross-chain space communication potential data is generated; constructing a multi-link ad hoc network topological structure according to the cross-chain space communication potential data; and task adaptation communication link allocation is carried out based on a multi-link ad hoc network topological structure, and a multi-link fusion transmission strategy is constructed, so that real-time communication link safe switching management is realized. According to the invention, on the basis of communication service adaptation and a multi-link fusion transmission strategy, real-time communication safe switching and high-reliability transmission of the marine formation are realized.
Owner:CHANGZHOU FRP SHIPYARD CO LTD

Radio Link Monitoring During Handover

A wireless device receives from a first base station a radio resource control (RRC) message comprising a wireless device capability enquiry and transmits to the first base station an RRC message comprising a first parameter indicating support by the wireless device for recovering from a failure of a first serving cell by performing layer 1 and / or layer 2 triggered mobility (LTM) to a first selected cell based on the first selected cell being a candidate cell for LTM. The wireless device receives from a second base station an RRC message comprising an LTM configuration for cell switching to one or more LTM candidate cells of the second base station, where the LTM configuration indicates that the wireless device performs, after a failure of a second serving cell of the second base station, LTM to a second selected cell based on the second selected cell being a candidate cell for LTM.
Owner:KONINKLIJKE PHILIPS NV

Layer 1 or layer 2 triggered mobility

In wireless communication, a device may change, add, or handover between cells of network access for inter-cell mobility. This may include Layer 1 and / or Layer 2 (L1 / L2) signaling for a user equipment (UE) moving between cells in a network. There may be a configuration message that includes configurations for one or more Layer 1 (“L1”) or Layer 2 (“L2”) Triggered Mobility (“LTM”) candidate cells. A measurement report with L1 measurements for the LTM candidate cells is used for a cell switch command to indicate a target LTM candidate cell to trigger execution of a LTM cell switch to the target LTM candidate cell. The LTM cell switch is from a source cell to the target LTM candidate cell.
Owner:ZTE CORP

Method and apparatus for l1 and l2 triggered mobility in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of performing L1 / L2 triggered mobility (LTM) in a user equipment (UE), communicatively coupled to a telecommunication network, wherein if the UE receives RRCReconfiguration containing LTM target cell information, RRCReconfigurationComplete is sent to a source cell, and upon receipt of a MAC control element (CE) from the source cell, the target cell information is applied, a handover is performed, and a further RRCReconfigurationComplete is generated and sent to the target cell upon completion of the handover.
Owner:SAMSUNG ELECTRONICS CO LTD

Multimode Heterogeneous Cellular Communication with Integrated Multi-Channel Link Diversity, Physical Layer Optimization, and Radio Access Handover

The invention overcomes the constraints imposed by conventional wireless communication standards by introducing a physical-layer optimized architecture that decouples transmission control from any single protocol. Rather than being confined by the predefined behaviors of LTE, 5G NR, Wi-Fi, or NB-IoT, the system implements a unified control system that dynamically manages radio parameters—such as modulation, coding, and power—based on real-time link quality and network context. This cross-standard, multimode capability effectively supersedes traditional standard-driven implementations, enabling adaptive, low-latency, and spectrum-efficient communication in complex heterogeneous environments.The system dynamically controls radio access network (RAN) and physical layer parameters, including carrier aggregation, dynamic spectrum allocation, modulation and coding scheme (MCS) adaptation, beamforming configuration, channel coding, transmit power control, and frequency selection. The system architecture includes multi-mode base stations, relay nodes, and edge access points that support inter-RAT handover, fast radio link recovery, and seamless mobility across diverse wireless technologies.
Owner:CHINA ENTROPY CO LTD (AIOT ENTROPY CO LTD)

Low-orbit satellite resource allocation method and device based on wave beam and frequency domain collaborative optimization

The invention provides a low-orbit satellite resource allocation method and device based on beam and frequency domain collaborative optimization, and the method comprises the steps: dividing the overall bandwidth of a user region into a central sub-band and an edge sub-band through employing a dynamic soft frequency reuse scheme; all ground users are subjected to spatial clustering according to geographic positions and traffic demands, coverage cells are dynamically divided according to clustering results, and balanced service is achieved; on the basis of dynamic cell division, user clusters with high service volume are selected according to priorities, a beam activation set is generated, and a hopping beam matrix is updated; establishing a channel model between a user and a beam and a switching matrix between satellites; constructing a system utility target, and constructing a multi-target optimization problem model by taking the system utility target as a main part and integrating interference, switching overhead and delay penalty; and the multi-dimensional resource collaborative optimization framework based on deep reinforcement learning reconstructs a multi-objective optimization problem model, and outputs a solution of the multi-objective optimization problem model, including an optimal bandwidth and a power allocation result. According to the invention, resource allocation can be carried out on low-orbit satellites.
Owner:UNIV OF SCI & TECH BEIJING

Extended and mixed reality experience adaptation, processing, and handover from one edge node to another

ActiveUS12231483B1Mixed realityEdge node
Methods and systems are described for extended and mixed reality experience adaptation, processing, and handover from one computing or processing entity to another. In response to a change in a condition impacting resource usage, delivery of content is transferred from one edge node to another. One or more changes in a viewing client, a first edge node, a second edge node, a communication network, and content signal a handover. Artificial intelligence systems, including neural networks, and models are trained and developed for improving the adaptation, processing, and handover. Related apparatuses, devices, techniques, and articles are also described.
Owner:ADEIA GUIDES INC

Communication system and method based on low earth orbit satellite

A low earth orbit satellite (LEO)-based communication system and method. The system comprises a low-orbit satellite constellation, a ground station, a user terminal and a network management and control center. The network management and control center comprises a track and link prediction module, a link quality prediction and evaluation module, a predictive resource pre-allocation and dynamic adjustment module and a space-ground cooperative control module. According to the communication system, active resource optimization and dynamic adjustment before actual switching are realized through track and link prediction, link quality prediction, predictive resource pre-allocation and dynamic adjustment and air-ground cooperative control. According to the method, the switching time delay can be greatly reduced, the packet loss rate is remarkably reduced, and the system throughput and the access success rate are also remarkably improved. Through predictive management, the performance, reliability and user experience of LEO communication are comprehensively improved.
Owner:YINHE HANGTIAN (XIAN) TECHNOLOGY CO LTD

Configuration and management of cells for l1 / l2 mobility

A wireless transmit / receive unit (WTRU) may be configured to implement layer 1 / layer 2 (L1 / L2) based inter-cell mobility procedures with reduced latency during handover or other mobility operations. The WTRU may be configured to receive configuration information associated with a plurality of candidate cells. The configuration information may be associated with a physical layer measurement for each candidate cell. The configuration information may include a measurement criteria. The WTRU may be configured to determine a subset of the plurality of candidate cells, with each candidate cell in the subset determined based on the measurement criteria. The WTRU may be configured to send a report indicating the subset. perform a physical layer measurement on the subset, and receive an indication to perform layer handover to a candidate cell of the subset.
Owner:INTERDIGITAL PATENT HOLDINGS INC

Node Configuration Update with Slice Identifier and Closed Access Group Information

A method can include receiving, by a first base station from a second base station, a next generation radio access network (NG-RAN) node configuration update message. The message can include a slice identifier of a first network slice supported by a cell of the second base station; and a second served cell information NR IE indicating that the cell of the second base station is in a second closed access group (CAG). The method can also include sending, to the second base station, an NG-RAN configuration update acknowledge message comprising a first served cell information NR IE indicating that a cell of the first base station is in a first CAG. The method can further include sending, to the second base station, a handover request message to handover a wireless device to the cell of the second base station.
Owner:OFINNO LLC

Satellite land network interswitching method and system for ship

The invention relates to the technical field of network switching, in particular to a satellite land network switching method and system for a ship, and the method comprises the following steps: carrying out the real-time tracking of the current position of the ship based on a GIS system, calculating the distance between the current position of the ship and an adjacent satellite and land network access point, and comparing the distance data with historical network performance data. According to the invention, real-time GIS tracking and BDS verification are used, the ship position is accurately monitored, and the access point distance and network performance data are dynamically analyzed, so that the prediction of the network access opportunity is more accurate and timely, the response speed of traditional network switching is optimized, the timeliness of switching is improved, and the network access time is shortened. Data transmission interruption caused by network delay or instability is avoided, real-time signal intensity monitoring and congestion information analysis are combined, the optimal network can be intelligently selected in multiple network environments, continuity of data service is ensured, experience is remarkably improved, and manual operation is reduced through the automatic network switching process.
Owner:SHISHI FTGMDC COMM EQUIP

Cell Handover Method, User Equipment, and Non-Transitory Readable Storage Medium

A cell handover method includes receiving, by user equipment (UE), a measurement reporting configuration sent by a network-side device, where the measurement reporting configuration includes at least one of the following artificial intelligence (AI) model related information, AI model input information, AI model output information, an AI model inference trigger condition, a cell handover event related configuration, reporting content expected by the network-side device, total duration of an AI model prediction output, the number or interval of time points of the AI model prediction output, or first indication information. The first indication information is used to indicate whether the UE triggers measurement reporting based on a prediction result of an AI model; and performing, by the UE, AI model inference on at least one handover candidate cell based on the measurement reporting configuration to obtain an inference result, and performing a cell handover based on the inference result.
Owner:VIVO MOBILE COMM CO LTD

Handover Uplink Transmission

A wireless device receives one or more radio resource control (RRC) messages indicating a handover from a first cell to a second cell and a synchronization signal block (SSB), of the second cell, for receiving a downlink control information (DCI) from the second cell. The wireless device receives, from the second cell and based on a demodulation reference signal (DMRS) antenna port being quasi co-located with the SSB, the DCI scheduling an uplink transmission, wherein the uplink transmission is an initial uplink transmission, to the second cell, after receiving the one or more RRC messages indicating the handover. The wireless device transmits, to the second cell and based on the SSB indicated by the one or more RRC messages, the uplink transmission.
Owner:OFINNO LLC

Power efficient and robust wake up signaling - relay migration

Systems and methods are disclosed for relay migration. In one embodiment, a method of operation of a network node for handover of one or more remote User Equipments (UEs) from a source relay UE to a target relay UE comprises determining that a triggering condition for handover of one or more remote UEs from a source relay UE to a target relay UE has occurred. The method further comprises, responsive to determining that the triggering condition has occurred, selecting one of a number of candidate target relay UEs as the target relay UE for the handover and causing handover and migration of state information to the target relay UE, the state information comprising state information of the one or more remote UEs.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Apparatus, methods, and computer programs for predicting network performance before triggering handover

An apparatus, method, and computer program for a serving network access node that causes the serving network access node to: provide a first user equipment with access to a network; signal, to a first network access node, a request for a first indication that indicates how at least one load-related parameter of the first network access node would likely be affected if the first network access node were to serve the first user equipment; receive, from the first network access node, the first indication; and make at least one load-related decision for the first user equipment in dependence on the received first indication.
Owner:NOKIA TECHNOLOGIES OY

Method and apparatus for handover associated with usage of a PDU set

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a second node in a communication system is provided. The method includes transmitting, to a third node, a first message including first indication information for indicating whether the second node supports handling of a packet data unit (PDU) set of an extended reality (XR) service and receiving, from the third node, a second message, wherein if the first indication information indicates that the second node supports the handling of the PDU set of the XR service, the second message includes XR service configuration information.
Owner:SAMSUNG ELECTRONICS CO LTD

Method and apparatus for implementing ai-ML in a wireless network

A method, an apparatus, and a computer readable medium for storing instructions are described for a user terminal and a base station for updating an AI / ML configuration in case of a handover. The method performed by a user equipment comprising operating a first AI / ML configuration in a coverage area of a first base station; receiving an AI / ML configuration information indicating a second AI / ML configuration; operating the second AI / ML configuration indicated by the AI / ML configuration information in the coverage area of a second base station. Operating a first AI / ML configuration comprises operating a first AI / ML Model or a first AI / ML Model with a first AI / ML Model configuration in the coverage area of the first base station. The first AI / ML Model is associated with a first AI / ML Model identifier and the first AI / ML Model configuration is associated with a first AI / ML Model configuration identifier. Operating the second AI / ML configuration comprises operating a second AI / ML Model or the first AI / ML Model with a second configuration in the coverage area of the second base station. The second AI / ML Model is associated with a second AI / ML Model identifier and the second AI / ML Model configuration is associated with a second AI / ML Model configuration identifier. Indicating the second AI / ML configuration comprises indicating a second AI / ML Model identifier and / or a second AI / ML Model configuration identifier.
Owner:HARFANG IP INVESTMENT CORP

5G NR Handover Schemes

A user equipment (UE) is configured to receive a handover command from a source cell, wherein the UE is configured to exchange data with the source cell after the reception of the handover command, perform downlink synchronization acquisition with a target cell while the UE is configured to exchange data with the source cell and transmit an uplink signal to the target cell, wherein the UE stops exchanging data with the source cell after transmitting the uplink signal to the target cell.
Owner:APPLE INC

Indicating machine learning functionality and model applicability for mobility scenarios

Methods, systems, and devices for wireless communication are described. A network entity may configure a user equipment (UE) to report applicability information associated with artificial intelligence (AI) and / or machine learning (ML) functionalities and / or models. The applicability information indicates an applicability of a functionality and / or model per AI / ML-enabled feature or feature group. Based on the applicability information and a handover of the UE from a source network entity to a target network entity, the target network entity may configure a functionality and / or model. Additionally, or alternatively, the UE may be configured with a reference configuration and one or more additional configurations corresponding to respective AI / ML functionalities and / or models. The UE may apply an additional configuration based on a handover to the target network entity, the additional configuration satisfying an applicability condition, or both. Based on an indication of the applied configuration, one or more functionalities or models may be activated.
Owner:QUALCOMM INC

Radio resource control recovery method, communication device and storage medium

PCT designated stage expiredWO2025000544A1Connection managementEngineeringHandover
According to the technical solution of the present application, radio resource control (RRC) is recovered in response to meeting preset conditions. Provided is a process of quickly recovering RRC after LTM cell handover fails, so that a network device can know the reason why the LTM cell handover fails, and quickly recover connection on the basis of actual situations, thereby reducing the delay of recovering the connection and / or the duration of service interruption.
Owner:SHANGHAI TRANSSION CO LTD

Signaling for inter-rat handover of redcap ues

Systems and methods are disclosed for signaling Reduced Capability (RedCap) wireless communication device (WCD) capability during inter-Radio Access Technology (RAT) handover. In one embodiment, a method performed by a target network node for inter-RAT handover of a WCD from a source network node of a first RAT to the target network node of a second RAT comprises receiving, at the target network node, a message in association with preparation or execution of a handover of a WCD from the source network node of the first RAT to the target network node of the second RAT, the message comprising information about one or more capabilities of the WCD. The method further comprises determining that the WCD is a RedCap WCD based on the information about the one or more capabilities of the WCD and sending an indication that the WCD is a RedCap WCD to a core network node.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Methods and apparatuses for handling a mobility configuration upon reception of notification message

Embodiments of the present application relate to methods and apparatuses of handling a mobility configuration upon a reception of a notification message in a layer-2 (L2) UE-to-Network (U2N) relay case. According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor: and the processor is configured: to access a serving cell via a direct path or an indirect path, wherein the indirect path is associated with a relay UE; and to receive an radio resource control (RRC) reconfiguration message via the transceiver from the serving cell, wherein the RRC reconfiguration message includes at least one indication of: a measurement configuration; a conditional handover (CHO) configuration associated with at a candidate cell; an indication indicating whether the UE is triggered to report a measurement result of a candidate relay UE in response to identifying a cell change of the candidate relay UE; or a relay operation related configuration used by remote UE in response to accessing the serving cell via the indirect path.
Owner:LENOVO (BEIJING) LTD

Terminal, radio communication system and radio communication method

A terminal can control an execution of a conditional handover and an execution of a procedure for an addition / change of a secondary cell, and transmit a radio resource control layer message. When the conditional handover and the procedure for the addition / change are configured simultaneously, or when an execution condition of the conditional handover and an execution condition of the procedure for the addition / change are met simultaneously, the terminal prioritizes either the conditional handover or the procedure for the addition / change according to a state of the message.
Owner:NTT DOCOMO INC

Positioning handovers for mobile user equipment

A method of wireless communication performed by a user equipment (UE) is disclosed and includes determining a position of the UE based on a first positioning synchronization source; pre-configuring a first sidelink coordination group for use by the UE prior to an occurrence of one or more first triggering events, wherein the first sidelink coordination group uses a second positioning synchronization source that is different than the first positioning synchronization source; and in response to a determination that the one or more first triggering events has occurred, transitioning to use of the first sidelink coordination group for determining the position of the UE.
Owner:QUALCOMM INC

Adaptive anti-interference communication method and system based on star flash-Bluetooth dual mode

The invention relates to the technical field of wireless communication, and particularly discloses a self-adaptive anti-interference communication method and system based on star flash-Bluetooth dual-mode, and the method comprises the steps: monitoring channel interference parameters in real time through a dual-mode radio frequency module on a communication terminal, including the out-of-band radiation power and the pulse interference duty ratio at the switching moment; instantaneous interference intensity features are extracted by using synchronous compression wavelet transform and sparse time-frequency analysis, periodic pulse interference features are identified by combining Hawkes process modeling, and a comprehensive anti-interference feature vector is constructed by fusion; the feature vectors are input into a pre-trained gradient boosting tree model for communication quality evaluation, an optimal communication mode is dynamically selected according to a scoring result, intelligent response to a complex interference environment is achieved, the stability and reliability of a communication system in a high-interference scene are improved, energy efficiency optimization and resource scheduling are considered, and the method is suitable for large-scale popularization and application. The method is suitable for industrial, medical, Internet of Things and other application scenes with strict requirements on communication quality.
Owner:SHENZHEN ZHONGYI TENGDA TECH CO LTD

Non-ground network communication method and related device

The embodiment of the invention provides a non-terrestrial network communication method and a related device, and the method comprises the steps that first network equipment obtains first configuration information of a first cell, and the first cell is a cell in the first network equipment; and the first network device sends first configuration information to the second network device, the first configuration information comprising a first identifier and / or related information of a physical broadcast channel (PBCH) of the first cell, and the first identifier being used for identifying a system message of the first cell. The L3-free signaling switching is realized under the regeneration satellite working scene, the signaling overhead is saved, the signaling storm caused by switching is avoided, and the communication efficiency is improved.
Owner:HUAWEI TECH CO LTD