1409 results about "Wireless communication systems" patented technology

A method performed by a UE for power saving is provided. The method includes receiving DCI that includes an indication related to a procedure of PDCCH monitoring adaptation for one or more first cells. the procedure of PDCCH monitoring adaptation including at least one of: skipping monitoring a PDCCH on the one or more first cells for a particular time period or switching to monitoring an empty SSSG that does not comprise any search space set. The method further includes performing PDCCH monitoring on one or more second cells during a retransmission period, regardless of whether the retransmission period overlaps the particular time period in time domain. A UE using the same is also provided.

Apparatus and methods are provided for data collection with RAN awareness. In one novel aspect, the UE performs data collection with RAN awareness. In one embodiment, the UE receives from the RAN node data collection configuration, which configures AI-ML model related parameters for the UE, performs data collection and delivers the collected AI-ML model related data through the RAN node destined to a UE server. In one embodiment, the UE further receives a data collection request from the RAN node, a core network entity or the UE server. In another novel aspect, the RAN node performs data collection with RAN awareness. In one embodiment, the RAN node accumulates one or more sets of AI-ML model related data collected by one or more other UEs and delivers the one or more sets of AI-ML model related data together with AI-ML model related data collected by the UE.

Systems and methods are described for interference awareness in wireless communication systems. A wireless station (STA) may detect an interference event comprising a transmission that will interfere or is interfering with a communication session of the STA with a second device, such as an access point (AP). The first device may transmit, to the second device, an identification of the interference event. The first device may receive, from the second device, a selection of an operation mode of a plurality of modes, transmitted responsive to receipt of the identification of the interference event. The first device may continue the communication session, with the second device, utilizing the selected operation mode.

This patent application discloses methods, apparatus, and systems that positioning enhancement in wireless communication systems. In one example aspect, a method for wireless communication includes receiving, by a wireless device, from a network device, a configuration information of positioning reference signal (PRS) related to a plurality of positioning frequency layers, wherein the plurality of positioning frequency layers are associated; measuring, by the wireless device, the positioning reference signal related to positioning frequency layers based on the configuration information; and reporting, by the wireless device to a network device, the positioning measurements related to positioning frequency layers based on the configuration information

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed to reduction of signaling overhead in connection with processing of reference signals. In an embodiment, an apparatus may be configured to receive, from a network node, configuration information comprising channel state information (CSI) spatial prediction parameters; receive a first plurality of reference signals transmitted from a plurality of antenna ports of the network node; estimate, based on the plurality of the received reference signals, first CSI measurements; and determine, based on the first CSI measurements and the CSI spatial prediction parameters, a first subset of antenna ports among the plurality of antenna ports of the network node and one or more parameters associated with the first subset of antenna ports, wherein the first subset is less than the plurality of antenna ports.

The invention relates to the technical field of coal mine fully mechanized mining, in particular to a coal mine communication network system based on a time-sensitive network, and the system comprises a wired communication system, the backbone network of the wired communication system is composed of a plurality of TSN network switches which are in ring network topology connection, and the wired communication system is used for accessing coal mine equipment as a terminal to a TSN network; the wireless communication system is connected with the wired communication system, consists of wireless communication equipment compatible with a TSN protocol, and is used for accessing the coal mine equipment into a TSN network through wireless connection; a communication system based on a time sensitive network (TSN) is established, a real-time, determined and reliable communication network is provided for a coal mine production system, wired and wireless communication systems are adopted, the whole coal mine production control system is covered together, and the requirement of automatic control for data communication is met.

The invention provides a radio signal modulation classification method based on a deep integrated network, and the method comprises the steps: S1, constructing an attention CNN module, inputting an IQ signal sample into the attention CNN module, and converting the IQ signal sample into multi-channel feature mapping; s2, constructing a time sequence information extraction module, and extracting a sequence mode from the local features by using the time sequence information extraction module; s3, constructing a visual converter module, and inputting an output result of the time sequence information extraction module into a global feature extractor module to extract global features so as to obtain feature vectors representing modulation categories; and S4, constructing a classifier, mapping the feature vector representing the modulation type from a high-dimensional space to a low-dimensional space representing the signal type, and then performing activation by using softmax to obtain the probability distribution of the modulation type of the signal. The method provided by the invention shows excellent accuracy and expandability under different signal-to-noise ratio levels and modulation modes, and provides favorable support for cognitive radio and other wireless communication systems in practical application.

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.

The disclosure relates to 5G or 6G communication systems to support higher data rates. The disclosure relates to operations of a UE and a base station in a wireless communication system, and specifically, the disclosure proposes a method and device for transmitting and receiving channel state information in a full-duplex communication system.

The present application relates to devices and components including apparatus, systems, and methods to provide rate matching for inter-cell, multiple transmit-receive point operation in wireless communication systems.

A method and apparatus for measurement prediction in a wireless communication system are provided. A wireless device receives, from a network, a measurement configuration including (i) a measurement object, (ii) a reporting condition, and (iii) information on a predicted time. The wireless device derives at least one predicted measurement for the measurement object based on the predicted time. Based on determining that the at least one predicted measurement meets the reporting condition, the wireless device transmits the at least one predicted measurement.

Some wireless communication systems perform handover procedures to transfer user equipment (UE) communications between network entities. In some approaches, handover procedures may be performed via layer 3 (L3) signaling (e.g., L3 mobility). Layer 1 (L1) or Layer 2 (L2) triggered mobility (LTM) may allow handovers to be triggered via L1 or L2 signaling. Some of the techniques described herein may be utilized to handle key derivations when a UE is configured with candidate LTM cells of different network entities. For example, security keys may be updated with one or more inter-network entity LTM handovers after an initial handover. From the UE perspective, the UE may receive a configuration of LTM candidates once, but may perform one or more LTM executions using the configuration of LTM candidates. After the initial LTM procedure for the initial handover, the UE may receive an independent security configuration update for a subsequent LTM execution.

The invention provides a beam forming system which can be applied to the fields of wireless communication systems, automatic driving, artificial intelligence and the like. And small-scale, low-power-consumption and fast-response two-dimensional beam forming can be realized. The system comprises a first optical diffraction module and an array of second optical diffraction modules, the first optical diffraction module comprising at least one input port and a plurality of output ports, each second optical diffraction module in the array of second optical diffraction modules comprising one input port and a plurality of output ports. The first optical diffraction module is used for receiving at least one path of first signal light and generating multiple paths of second signal light with different phases based on the at least one path of first signal light. Each second optical diffraction module is used for receiving one path of second signal light in the multiple paths of second signal light and generating multiple paths of third signal light with different phases based on one path of second signal light, and the multiple paths of third signal light are used for generating multiple paths of first radio frequency signals.

The present invention relates to the field of electronic devices of wireless communication systems. Disclosed is an ultra-wideband and high-protection-efficiency filtering energy selective surface, comprising one or more layers of reflecting surfaces; each reflecting surface is mainly composed of a plurality of metal sheets which are located on the same plane, have the same shape and are arranged in central symmetry; a gap for electrical isolation is formed between every two adjacent metal sheets; each gap is provided with a PIN diode; the anodes and cathodes of all the PIN diodes are arranged in a clockwise or counterclockwise direction; and all the gaps form an interconnected gap structure on the plane where the reflecting surface is located. The ultra-wideband and high-protection-efficiency filtering energy selective surface can be achieved by a first-order filtering energy selective surface unit or a second-order filtering energy selective surface unit. The filtering energy selective surface of the present invention has a small surface thickness and a simple structure, can achieve fast roll-off filtering for low-power signals, achieve an ultra-wide suppression stopband, and achieve ultra-wideband and high-efficiency protection for high-power electromagnetic waves.

A method of operating a UE includes receiving, a configuration for a first SSB pattern, a configuration for a second SSB pattern, and a first RACH configuration, and receiving an indication activating an SSB pattern. The method also includes determining whether the activated SSB pattern is the first SSB pattern, and in response to a determination that the activated SSB pattern is the first SSB pattern: associating a ROs configured by the first RACH configuration to a first plurality of SSBs transmitted according to the first SSB pattern, associating RA preambles configured by the first RACH configuration to the first plurality of SSBs, selecting an SSB from the first plurality of SSBs; selecting, from the ROs, an RO corresponding to the selected SSB, selecting, from the RA preambles, an RA preamble corresponding to the selected SSB; and transmitting the selected RA preamble in the selected RO.

A method and apparatus for performing predictive measurements in a wireless communication system are provided. A wireless device receives, from a network, a measurement configuration including (i) a measurement object and (ii) a reporting condition. The wireless device derives (i) at least one predicted measurement for the measurement object and (ii) a predicted time when the at least one predicted measurement satisfies a reporting condition. The wireless device sends (i) information about the at least one predicted measurement and (ii) information about the predicted time.

The present application relates to devices and components including apparatus, systems, and methods to provide and / or implement user equipment-centric predictive mobility with subnetwork support in wireless communication systems.

Systems and methods for the use of smart repeater (SMR) control information from a base station to an SMR to control aspects of SMR operation are disclosed herein. The SMR control information may control the operation of to either or both of an SMR synchronization signal block (SSB) beam sweep or an SMR channel state information reference signal (CSI-RS) beam sweep. An SMR may report, to a base station, SMR capability information; receive, from the base station, SMR control information corresponding to the SMR capability information that includes a first portion configuring an SSB beam sweep and / or a second portion configuring a CSI-RS beam sweep; and perform, based on the SMR control information, one or both of the SMR SSB beam sweep and the SMR CSI-RS beam sweep. Systems and methods for signaling the SMR control information between the SMR and the base station are also provided.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of performing slice management in a telecommunication network, wherein if a current slice is to be replaced by a replacement slice via a replacement procedure, the telecommunication network verifies if the current slice is undergoing or scheduled to undergo an authentication procedure, and if so, the replacement procedure is halted and the authentication procedure is progressed.

An example communication system includes a distributed unit of a fronthaul communication system architecture, wherein the distributed unit is in communication with a core network of the communication system, a radio unit of the fronthaul communication system architecture, wherein the radio unit is electrically coupled with at least one cellular antenna, and the radio unit is configured to transmit and receive wireless cellular signals, and a wireless communication link between the distributed unit and the radio unit. The wireless communication link includes a first system-on-chip (SoC) device electrically coupled with the radio unit, and a second SoC device electrically coupled with the distributed unit, wherein the first SoC device and the second SoC device are configured to wirelessly transmit communication signals between the radio unit and the distributed unit at a frequency of at least sixty Gigahertz.

The disclosure relates to wireless communication systems and devices and methods thereof, and to lower layer triggered mobility, LTM. Apparatus and methods for supporting inter-CU based LTM are disclosed. Apparatus and methods for exchange of security information during inter-CU based LTM are disclosed.

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.

Apparatuses and methods for scheduling enhancements for wireless communication systems. A method for receiving physical downlink control channels (PDCCHs) includes receiving first information for first search space sets for scheduling on a first cell from the first cell and second information for second search space sets for scheduling on the first cell from a second cell. The method includes determining a first number of PDCCH receptions over a first number of non-overlapping control channel elements (CCEs) on the first cell in a first slot based on the first search space sets and identifying that at least one of the first number of PDCCH receptions exceeds a predetermined number of PDCCH receptions and the first number of non-overlapping CCEs exceeds a predetermined number of non-overlapping CCEs. The method further includes canceling PDCCH receptions corresponding only to third search space sets from the first search space sets.

The disclosure relates to a 5G or 6G communication system for supporting higher data transfer rates. A method performed by a first base station in a communication system is provided. The method includes receiving a measurement report from a terminal, transferring, to a second base station, a handover request message including information for transferring an artificial intelligence (AI) model, determining a first AI model for transferring the AI model of the terminal based on a response message for a handover request and AI information of the terminal previously received from the terminal, the handover request including response information to the information for transferring the AI model received from the second base station, and transferring, to the terminal, the determined first AI model and a message for performing handover.

Methods, systems, and devices for increasing transmission capacity of sounding reference signals (SRS) in mobile communication technology are described. An example method for wireless communication includes receiving, by a wireless device from a network node, a configuration comprising A orthogonal code sequences for a sounding reference signal (SRS) resource, wherein each of the A orthogonal code sequences is configured for L adjacent SRS symbols within the SRS resource, wherein L is a length of each of the A orthogonal code sequences, and wherein L and A are positive integers, and transmitting a reference signal that is generated based on the configuration.

Methods related to wireless communication systems and uplink (UL) rank adaptation are provided. A user equipment (UE) receives, from a base station (BS), a configuration indicating a resource associated with a plurality of UL reference signal ports. The UE determines, based on at least one of an overheating status, a throughput, or a latency, a quantity of transmission layers for a transmission. The UE transmits, to the BS, an indication of at least one of (1) one or more UL reference signal ports of the plurality of UL reference signal resources associated with the UL reference signal resource based on the quantity of transmission layers, or (2) a number of UL reference signal ports associated with the multi-port UL reference signal resource based on the quantity of transmission layers.

The present application relates to devices and components including apparatus, systems, and methods for mapping transmission configuration indicator states to resources of physical downlink shared channel transmission occasions in wireless communication systems.

Disclosed is a method for resource allocation in the delay-Doppler grid that assigns radio resources to the users in a flexible manner taking into consideration their specific requirements. The method provides a flexible structure for Orthogonal Time Frequency Space (OTFS) waveform in terms of resource allocation / scheduling. This flexibility is imperative for the ever-increasingly diverse user requirements of wireless communication systems in terms of reliability, latency, data rates, mobility, security etc.

The invention discloses an active fault-tolerant control method for an intelligent networked automobile queue under communication time delay, and relates to intelligent safety and automatic driving of automobiles. A vehicle-mounted sensor and a V2X wireless communication system are used for achieving information interaction between the vehicle and other vehicles, the inverse model compensation and feedback linearization technology is adopted, a vehicle queue closed-loop control model with sensor faults and actuator faults is established, and the active fault-tolerant control method of the distributed observer is designed under the influence of communication time delay. Based on a dynamic proportional integral observer, sensor faults and actuator faults are estimated, communication time delay is considered in a controller part, the faults are compensated, the stability of a queue system is achieved, and the expected vehicle-to-vehicle distance and the expected running speed of each vehicle in the queue are ensured. A distributed controller is designed on the basis of fault estimation value design and delayed output information of other vehicles, so that the influence caused by faults of sensors and actuators is restrained, and the aim of queue control is achieved.

The present invention relates to the field of wireless communication technology, and in particular to a terminal, an access network device, a wireless communication system, and an uplink control information transmission method. In a terminal, a receiving module receives downlink scheduling information of a downlink subframe F(i, j), a preconfigured downlink subframe set M where the downlink subframe F(i, j) is located is divided into N preconfigured downlink subframe subsets, the number of bits of a hybrid automatic repeat request-acknowledgement HARQ-ACK required to be fed back for each downlink subframe in a preconfigured downlink subframe subset is a predetermined value, and the number of bits of HARQ-ACK required to be fed back for any downlink subframe in different preconfigured downlink subframe subsets is different; a processing module generates a HARQ-ACK codebook according to the reception of downlink data, and generates uplink control information after encoding; a sending module sends uplink control information, and can support the situation where the number of HARQ-ACK bits required to be fed back for downlink subframes on different aggregated carriers is different.