399 results about "Wireless communication systems" patented technology

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.

This disclosure is generally directed to wireless communication systems and methods and relates particularly to a mechanism for implementing an artificial intelligence framework for adaptively configure the over-the-air communication interfaces of the wireless communication systems. AI network configuration functions may be provided as services for AI-assisted network configuration (AI configuration services, or AICS). Such AICS may be requested and configured via various messaging and signaling mechanisms. The AI model life cycle management including training, delivery, activation, inference, deactivation, switching, performance evaluation, and the like may be configured, triggered, and otherwise provisioned via control and data messages and signaling communicated between the various network elements in the wireless communication system.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to the present disclosure, MBS services for flexible and dynamic MBS service scenarios become possible in the next-generation wireless communication systems.

This disclosure is generally directed to wireless communication systems and methods, and particularly relates to resource control for wireless transmission with repetitions based on subband full duplex. The various implementations concern determination of conditions under which the various repetitions of an uplink (or downlink) wireless transmission are allowed to be transmitted in a mixed manner across an uplink (or downlink) bandwidth part and an uplink (or downlink) subband within an otherwise downlink (or uplink) bandwidth part. Various mechanisms for determining resources for the transmission of the repetitions based on one or more resource identification fields in a resource control message for scheduling the wireless transmission are further disclosed. Such mechanisms provide consistent resource allocation between the repetitions transmitted in the mixed manner.

Apparatuses, systems, and methods for life cycle management of AI / ML models in wireless communication systems. A wireless device comprising at least one antenna and a processor is configured to: receive a Radio Resource Control (RRC) configuration message from a network device, the RRC configuration message indicating an Artificial Intelligence (AI) model to be used by the wireless device; and transmit an AI-based feedback message generated based on the AI model to the network device.

The disclosure pertains to methods and apparatus for performing positioning of wireless transmit and / or receive units (WTRUs) in wireless communication systems. A WTRU may receive configuration information indicating a time window associated with positioning. The configuration information may indicate any of a duration and a periodicity of the time window. The WTRU may receive (1) first scheduling information indicating to transmit a first uplink transmission including a sounding reference signal (SRS) and (2) second scheduling information indicating to transmit a second uplink transmission including a positioning SRS (SRSp). The first uplink transmission may not include any SRSp. On condition that the second uplink transmission is scheduled for transmission during the time window, the WTRU may transmit the second uplink transmission during the time window and may transmit the first uplink transmission only when the first uplink transmission is scheduled for transmission outside of the time window.

A method for channel estimation includes: receiving, by a first electronic device, a signal indicative of a state of a channel from a second electronic device, the signal being associated with a channel matrix and corrupted by a noise; obtaining a noisy image of the channel in a first domain, the noisy image being a least squares estimate of the channel matrix; transforming the noisy image into a second domain; and performing channel estimation (CE) of the channel based on (i) the transformed noisy image, (ii) a CE model configured to denoise an input signal, and (iii) a sparsity of channel state information (CSI) in the transformed noisy image in the second domain.

Apparatuses and methods include: receiving, by a first electronic device, a signal from a second electronic device on a channel, the received signal modified by a noise, the channel associated with a channel matrix for multiple antennas; buffering antenna data from the multiple antennas; obtaining a noisy channel based on the buffered antenna data and a least squares estimate of the channel matrix; preprocessing the noisy channel jointly across the multiple antennas; inputting the preprocessed noisy channel to a channel estimation model trained to denoise the preprocessed noisy channel; and estimating the channel matrix based on denoising of the preprocessed noisy channel.

Methods, systems, and devices for designing and configuring reference signals in wireless communication systems are disclosed. An example method for wireless communication includes transmitting, by a wireless device to a network node, a sounding reference signal (SRS), where the SRS is determined by a first parameter and a cyclic shift parameter, and a value of the first parameter hops at a level of a first type of time unit and a value of the cyclic shift parameter hops at a level of a second type of time unit. Another example method for wireless communication includes receiving, by a wireless device from a network node, a configuration for an SRS resource, and transmitting an SRS in the SRS resource, where the configuration includes information associated with one or more time-domain orthogonal cover codes (TD-OCC) or a multiplexing type for multiple SRS ports in the SRS resource.

The disclosure relates to a 5th-generation (5G) or 6th-generation (6G) communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a wireless communication system is provided, the method including receiving, from a base station (BS), a radio resource control (RRC) message including configuration information related to cross link interference (CLI), identifying a measured CLI quantity value based on the configuration information and at least one measurement resource received from the BS, and transmitting, to the BS, a medium access control (MAC) control element (CE) including the measured CLI quantity value via a physical uplink shared channel (PUSCH).

Embodiments disclosed herein encompass methods, apparatus, and systems for interference management. First resource elements (REs) are configured to enable measurement of interference that affects communications between a first user equipment (UE) and a first network device in a wireless communication system. The first REs include REs that correspond to a subset of REs in a set of second REs, and the set of second REs includes all REs at a time position in a time-frequency grid that are muted for communications by a second UE. Interference mitigation based on the interference measurement may be applied to manage the interference. The interference may include cross-link interference between links in the same wireless communication system, or links in different wireless communication systems such as a terrestrial network and a non-terrestrial network.

Aspects relate to feedback such as HARQ-ACK / NACK feedback in wireless communication systems. A predetermined condition, such as a timeout condition, is configured for a user equipment (UE) to determine whether a HARQ-less feedback should be implemented in the UE. In a particular aspect, the predetermined condition may be a timeout period or some other condition where a UE will cancel or discard feedback if the UE is unable to respond within the timeout period or meet the condition imposed. Various conditions may be imposed and are communicated through either radio resource control (RRC) signaling or downlink control information (DCI) parameters, or a combination thereof.

The present application relates to devices and components including apparatus, systems, and methods to provide processing of multicast data via user equipment while the user equipment is in an inactive state in wireless communication systems.

A user equipment (UE) may establish a radio resource control (RRC) connection with a network node and receive a RRC reconfiguration message from the network node. The UE may determine, based on the RRC reconfiguration message, at least one of one or more clean resources or one or more non-clean resources, wherein the one or more non-clean resources may correspond to at least one in-device coexistence (IDC) conflict. The UE may transmit uplink assistance information (UAI) to the network node and the UAI may include information corresponding to one or more starting points and one or more ending points of at least one of the one or more clean resources or one or more non-clean resources.

First resource elements (REs) are configured for determination of different components of interference that affects communications between a first user equipment (UE) and a first network device in a wireless communication system. The first REs include REs that correspond to a subset of REs in a set of second REs, and the set of second REs includes all REs at a time position in a time-frequency grid that are muted for communications by a second UE. The first REs further include an RE that corresponds to an RE at a time position in the time-frequency grid, different from the time position of the REs that are muted. The interference may include cross-link interference between links in the same wireless communication system, or links in different wireless communication systems such as a terrestrial network and a non-terrestrial network.

Methods and apparatuses for transmission timing in full-duplex wireless communication systems. A method for transmitting an uplink (UL) signal or channel associated with a transmission timing procedure includes receiving first information for first parameters of a first transmission timing configuration associated with a first subset of slots from a set of slots on a cell, second information for second parameters of a second transmission timing configuration associated with a second subset of slots from the set of slots on the cell, and third information for a condition. The method further includes determining whether the condition is valid for transmission in a slot from the second subset of slots and transmitting the UL signal or channel in the slot based on the first transmission timing configuration when the condition is valid and the second transmission timing configuration when the condition is not valid.

A wireless communication system configured for providing wireless communication is adapted to provide a first radio channel in a radio propagation channel and in a first frequency interval and to provide a second radio channel in the radio propagation channel and in a second frequency interval differing from the first frequency interval. The wireless communication system is to obtain first radio channel information indicating a behaviour of the first radio channel and to manage beamforming for the second radio channel based on the first radio channel information.

A base station configured to perform a power scaling in a wireless communication system includes at least one processor configured to receive signals from one or more user equipment (UE), the signals including at least one parameter indicative of corresponding operating conditions at the one or more UEs, determine an initial channel state information-reference signal (CSI-RS) transmission power, determine, based on the at least one parameter, that the initial CSI-RS transmission power is to be adjusted to affect the corresponding operating condition, responsive to determining that the initial CSI-RS transmission power is to be adjusted, compute a scaling value, compute a scaling factor, adjust the initial CSI-RS transmission power based on the scaling value and the scaling factor to compute an adjusted transmission power, and transmit the CSI-RS based on the adjusted transmission power.

Method for enhancing handover performance in wireless communication systems, characterized by, receiving measurement configuration for AI / ML enabled feature / functional groups (FGs) for data collection and logging of measurements, and measuring RSRP / RSRQ values of serving cell and the neighboring cells according to its measurement configuration; predicting the occurrence of measurement events based on internal statistics, history of measurement results, and configured prediction models; if the UE predicts that a measurement event will occur within a configured prediction horizon, the UE selecting a Time-To-Trigger (TTT) value from a mapping table, and using the selected TTT for measurement reporting.

When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement / negative acknowledgement (ACK / NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.

Apparatuses, methods, and systems are disclosed for determining parameters for multiple models for wireless communication systems. One method (600) includes determining (602), at a first device, using a first set of information, a set of parameters including first information corresponding to a first model and a second model. The method (600) includes transmitting (604), to a second device, a second set of information including second information for the first model or the second model.

A high-iron karst geological section comprehensive parameter fine automatic exploration system, including walking wheels, drill bit electrodes, drill bit detectors, drill bit magnetic excitation systems, electrode rotation systems, detector rotation systems, magnetic excitation rotation systems, liquid injection systems, control systems, multi-parameter interpretation systems, power systems, and wireless communication systems; the present application is based on the resistivity method and the wave velocity method, and can be used to explore any depth stratum that can be reached, independent of each other and mutually corroborating to reduce the karst geological multiple solutions, Rayleigh waves and electrical signals can transmit the most suitable signal type and strength according to the geological conditions at the set depth, which can realize the fine and automatic exploration of karst geology and improve the exploration efficiency. The present application also corrects the geological classification method in karst areas, and the corrected method can fully consider the development and particularity of karst, providing a method for the automation of high-iron geological exploration in karst areas and avoiding human errors.

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). Apparatuses and methods include: receiving, by a first electronic device, a signal from a second electronic device on a channel, the received signal modified by a noise, the channel associated with a channel matrix for multiple antennas; buffering antenna data from the multiple antennas; obtaining a noisy channel based on the buffered antenna data and a least squares estimate of the channel matrix; preprocessing the noisy channel jointly across the multiple antennas; inputting the preprocessed noisy channel to a channel estimation model trained to denoise the preprocessed noisy channel; and estimating the channel matrix based on denoising of the preprocessed noisy channel.

Apparatuses and methods for power reduction in wireless communication systems. A method for operating a user equipment (UE) includes receiving first information related to a first uplink (UL) carrier and a second UL carrier, receiving second information associated with a maximum power reduction (MPR) mitigation mode, and determining, based on the first and second information, first and second UE maximum output powers for an UL transmission bandwidth according to first and second MPR values. The first and second MPR values are associated with first and second transmissions on the first and second UL carriers. The method further includes determining first and second UL transmit powers based on the first and second UE maximum output powers, respectively, and transmitting an UL signal or channel on the first UL carrier based on the first UL transmit power on the second UL carrier based on the second UL transmit power.

To access a radio access network (RAN), a user equipment (UE) receives (304), in a cell of the RAN, an indication that the cell supports a priority service. The UE initiates (308), in a cell of the RAN, a priority service based on a configuration other than a Service User subscription. The UE communicates (318), via the RAN, data packets associated with the priority service.

This invention addresses the problem in existing technologies where WiFi signals are easily interfered with. In complex electromagnetic environments such as substations, electromagnetic interference generated by other electronic devices and power equipment can affect the stable transmission of WiFi signals, leading to data loss or transmission delays. The invention provides a power wireless communication system and a smart grid. It relates to the field of power wireless communication systems. The system includes a sensing layer, a network layer, and an application layer. The sensing layer includes at least one power monitoring terminal for collecting power equipment operation data. The network layer includes a secure access module, a WAPI authentication server, and a communication network architecture. The secure access module connects to both the power monitoring terminal and the WAPI authentication server via a WAPI encrypted channel. The communication network architecture includes a core routing unit and a wireless access unit. The application layer includes a power control center and a security audit module. This invention constructs a secure protection system for data acquisition, transmission, processing, and control.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a wireless communication system includes: receiving mobility (LTM) configuration information for layer 1 (L1) / layer 2 (L2) triggering of a cell; receiving an LTM cell switching command for instructing the UE to execute LTM cell switching; applying a radio resource control (RRC) reconfiguration message in LTM configuration information identified by the candidate configuration index included in the LTM cell handover command; and initiating, if the RRC reconfiguration message is associated with a primary cell group (MCG) and includes a system information block 1 (SIB1), a request to acquire one or more desired system information blocks (SIBs) after completion of a random access procedure or an LTM cell handover to the cell.

Apparatuses and methods for user equipment (UE) power class fallback in full-duplex (FD) systems. A method for operating a user equipment (UE) includes receiving information for an uplink (UL) transmission and a downlink (DL) reception on a cell and determining, based on the information, first and second UE maximum output powers for an UL transmission bandwidth according to first and second UE power classes associated with the UL transmission in first and second subsets of slots, respectively, from a set of slots on the cell. The method further includes determining first and second UL transmit powers based on the first and second UE maximum output powers, respectively and transmitting, based on first or second UL transmit power, an UL signal or channel in the first subset of slots or in the second subset of slots, respectively.

The invention discloses a polarization cancellation network for improving polarization isolation of a dual-polarized antenna and a design method thereof, and belongs to the technical field of polarization multiplexing wireless communication systems. A small part of signals are coupled to a cross polarization channel through a coupling method, the purpose of polarization cancellation is achieved by controlling the amplitude and phase of the coupled signals, and the polarization cancellation method is effective not only in the axial phase of the antenna, but also in the wide angle range deviating from the axial direction. Meanwhile, the method is suitable for various forms of dual-polarized antennas, the polarization cancellation network is simple in structure and convenient to process, and the method is a very effective method for improving the polarization isolation of the dual-polarized antenna.