1011 results about "Wireless communication systems" patented technology

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 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.

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 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.

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.

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.

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.

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.

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.

The invention relates to an electronic device, a method and a storage medium for a wireless communication system. An electronic device on a network device side comprising a processing circuit system, the processing circuit system being configured to: broadcast a first sensing signal, so that a terminal device obtains a sensing result of a target object according to the first sensing signal received from the electronic device, the first sensing signal reflected from the target object and a position of the electronic device; receiving a sensing result from the terminal device; and when the second sensing signal is sent to the terminal equipment, directionally sending the second sensing signal to the target object through beam forming according to the sensing result, and the terminal equipment obtains the sensing result of the target object again according to the second sensing signal received from the electronic equipment, the second sensing signal reflected from the target object and the position of the electronic equipment. Therefore, the electronic equipment can directionally send the sensing signal according to the preliminary sensing result of the terminal equipment on the target object, so that the sensing precision is improved.

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.

The invention belongs to the technical field of wireless communication systems, and particularly relates to a GFDM waveform design method for a jungle communication system. The method mainly comprises two parts of performance test and waveform design, and in the GFDM jungle communication system, a receiving end tests the bit error rate and the symbol transmission rate of the GFDM jungle communication system according to a known pilot signal sent by a sending end; a utility function is confirmed, and waveform design parameters including a cyclic prefix and a roll-off coefficient are optimized step by step by applying a genetic algorithm; through careful construction and parameter optimization of each part, the invention aims to improve the overall performance of the jungle communication system, can give full play to the potential of the GFDM technology, and meets the diversified requirements of jungle communication.

The invention relates to a low-complexity multi-user hybrid precoding method and system and a storage medium, and belongs to the technical field of wireless communication. According to the method, a hybrid precoding system model is established based on a millimeter wave broadband multi-user communication scene, a steering vector is constructed through channel state information feedback or direction of arrival estimation, an analog precoding matrix is initialized, an equivalent channel is further constructed in combination with channel feedback information, singular value decomposition is carried out, and a digital precoding matrix is generated. And the precoding structures of the receiving end and the transmitting end are iteratively optimized under the constant modulus constraint. The system comprises a modeling module, a steering vector initialization module, a digital pre-coding module and a pre-coding optimization module, and all the modules work cooperatively to realize low-complexity pre-coding design. According to the method, the precoding calculation complexity in a multi-user broadband system is effectively reduced, the stability of precoding design and the spectrum utilization efficiency are improved, and the method has good robustness and engineering realizability and is suitable for a next-generation wireless communication system.

Aspects of the present disclosure provide for managing random access channel (RACH) procedures in wireless communication systems. In some examples, a UE includes a processor, a transceiver communicatively coupled to the processor and configured to communicate with a scheduling entity in the wireless communication network, and a memory communicatively coupled to the processor. The processor is configured to receive a signal from a base station at the beginning of a fixed frame period during a two-step random access procedure, determine whether a resource for a transmission occasion overlaps one or more symbols located at an edge of the fixed frame period, and discard the resource for the transmission occasion at the UE when the resource overlaps the one or more symbols located at the edge of the fixed frame period.

The invention provides a beam alignment method, which can be applied to a WLAN (Wireless Local Area Network) system supporting 802.11 series protocols such as IEEE (Institute of Electrical and Electronic Engineers) 802.11 ax (WiFi (Wireless Fidelity) 6), 802.11 be (Wi-Fi 7) or 802.11 bn (Wi-Fi 8) and the like, and can also be applied to other wireless protocols, standards and wireless communication systems with a beam alignment link. The method comprises: a first station obtaining first information, the first information indicating a first beam group and a second beam group, and obtaining a first measurement result of the first beam group and a second measurement result of the second beam group based on the first information, the first measurement result and the second measurement result being used for determining a target beam for beam alignment, it is also used to determine the stop of beam measurement. By grouping the to-be-measured beams, the first station can stop beam measurement in the measurement process, and beam training overhead can be saved.

A technique for determining security attacks in wireless communication systems is disclosed. A method implementation of the technique is performed by a controller and includes obtaining a first statistics based on an amount of messages received from at least one packet forwarding entity within a pre-defined time interval, t, wherein the first statistics is a time-domain data; obtaining a second statistics based on at least one arriving-time difference, Td, between two consecutive messages; detecting an anomaly based on the second statistics; determining, if the anomaly is detected, a security attack based on the first statistics; and initiating a security attack notification to an orchestrator.

A method performed by a receiver of a wireless communications system to reduce the latency of channel estimation. The method includes receiving a data signal and a sequence of reference signals communicated over a wireless communication channel. In response to determining that the data signal is time critical or that a threshold reliability of the channel estimation is not required, the receiver estimates a channel condition of the wireless communication channel based on a portion of the sequence of reference signals. The receiver performs demodulation and decoding of the data signal prior to processing the entirety of the sequence of reference signals. The demodulation and decoding are adapted based on the estimated channel condition of the wireless communication channel.

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 relates to a 5G or 6G communication system for supporting higher data transmission rates. In addition, the disclosure relates to operations of a UE and base station in a wireless communication system. Specifically, the disclosure relates to a method for transmitting an UL control signal by a UE and an apparatus capable of performing the same. The disclosure provides a subband-based transmission method in a wireless communication system.

This disclosure provides methods, components, devices, and systems for quality of service (QoS) context propagation in wireless communication systems. Some aspects more specifically relate to a first wireless access point (AP), transmitting to a second wireless AP, a QoS context for a first communication flow established between the first wireless AP and a wireless station (STA). The first wireless AP may transmit the QoS context to the second wireless AP in response to an intent of the wireless STA to roam from a coverage area associated with the first wireless AP to a coverage area associated with the second wireless AP. According to the received QoS context, the second wireless AP may determine various QoS policies of a second communication flow associated with the wireless STA and the second wireless AP and begin communicating with the wireless STA according to the QoS policies after association with the wireless STA.

The invention provides a filtering patch antenna based on three-dimensional packaging integration, which mainly comprises five layers of dielectric substrates, four layers of bonding plates and an integral circuit structure, the whole circuit structure comprises a signal transmission metal column, a coupling strip line, a quarter-wavelength strip line resonator, an open-circuit strip line branch knot, a feed strip line, a microstrip patch, a grounding metal column and a grounding plate. The novel filtering antenna provided by the invention has the characteristics of high integration level, miniaturization, high selectivity, wide stop band and packaging, and can be well applied to the field of wireless communication systems.

An apparatus and method are provided for performing a subband operation for cross division duplex (XDD) technology to enhance coverage in wireless communication systems. A method includes identifying, by a user equipment (UE), an uplink (UL) or downlink (DL) subband configuration provided from a gNB to the UE, and determining a priority between a UL transmission and a DL reception based on whether a collision between DL and UL operations occurs in a time domain, wherein the UE is a half-duplex UE which performs the UL transmission at different times than when the UE performs the DL reception.

The invention discloses an intelligent mining crushing robot control method based on working condition identification, and relates to the technical field of mining equipment automation control, and the method comprises the following steps: building a wireless communication system in advance, carrying out vehicle end remote driving configuration adjustment, and configuring a working condition identification system and an environment acquisition system; the centralized control center collects data of the working condition recognition system and the environment collection system in real time and carries out operation task control of the vehicle end. According to the method, through accurate working condition identification and efficient path planning, the ore position can be quickly found, the optimal driving path can be planned, and the invalid running time of equipment in a well is shortened; meanwhile, efficient crushing of different ores is ensured through reasonable crushing action decision, the overall efficiency of ore crushing operation is remarkably improved, the energy consumption and abrasion of equipment are effectively reduced through the optimized crushing action frequency and duration and the strategy of adjusting the crushing strength according to the hardness of the ores, the service life of the equipment is prolonged, and the production cost is reduced. And the operation cost is reduced.

The present application relates to devices and components including apparatus, systems, and methods for providing a power headroom report with respect to repetitions of uplink data transmissions with different beams in wireless communication systems.