678 results about "Wireless communication systems" patented technology

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 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.

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.

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 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.

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.

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.

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.

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.

A method performed by a user equipment (UE) is provided. The method includes receiving, from a base station, via a radio resource control (RRC) signaling, information related to sounding reference signal (SRS) resource set and phase tracking reference signal (PTRS) uplink (UL) configuration information including a parameter indicating a maximum number of UL PTRS ports, receiving a downlink control information (DCI) format 0_1 including a SRS resource set indicator (SRSI) field and a first PTRS-demodulation reference signal (DMRS) association field, when two SRS resource sets associated with a usage of value ‘nonCodeBook’ or ‘CodeBook’ are configured based on the information related to SRS resource set, determining a number of bits of the SRSI field as 2bits, and based on the 2bits SRSI field and the parameter indicating the maximum number of ports, determining a number of bits of the first PTRS-DMRS association field as 1 bit or 2 bits.

This document discloses methods, apparatus, and systems that conduct mobility management and access control 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 comprising handover configuration information; and initiating, by the wireless device, a handover process based on the configuration information.

Techniques and apparatus for configuring a reference signal for measuring cross-link interference in wireless communication systems. A method that may be performed by a user equipment (UE) includes receiving signaling indicating a configuration for a reference signal for measuring cross-link interference and indicating a type of the reference signal as zero-power or non-zero-power; and taking one or more actions in response to the type of the reference signal.

The present disclosure generally relates to wireless communication systems, and more particularly, to an apparatus and method for integrated inference using dual-sided machine learning in wireless communication systems. A method of operating a user equipment (UE) in a wireless communication system includes: transmitting capability information of the UE to a network; receiving at least one of a structure or parameters of a reference model, or receiving a learning data set from the network according to the capability information of the UE; configuring a machine learning (ML) model directly on the UE or through a UE-side learning server based 10 on the received information; and performing integrated inference based on dual-sided machine learning models with the network using the configured machine learning model.

The present application relates to devices and components including apparatus, systems, and methods to provide hybrid automatic repeat request disablement in wireless communication systems.

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.

The present application relates to devices and components including apparatus, systems, and methods related to delay status reporting in wireless communication systems.

A method and system are disclosed for optimizing downlink multi-user multiple-input multiple-output (MU-MIMO) transmission in time division duplex (TDD) wireless communication systems. Sounding reference signals (SRS) from user equipment (UEs) are processed using a machine-learned model to extract physical-layer channel characteristics, including Doppler spread, delay profile, and signal-to-noise ratio (SNR). Based on these features, a channel state information (CSI) acquisition operation is adaptively selected for each UE—either channel estimation (CE) alone or both CE and channel prediction (CP). When CP is used, prior channel estimates are analyzed to generate predicted CSI over a future interval. The obtained CSI is then used to configure MU-MIMO transmission parameters such as beamforming weights, modulation and coding schemes (MCS), and UE grouping. This adaptive framework improves performance in time-varying and high-mobility environments by ensuring timely and reliable CSI is used for downstream transmission decisions.

Systems and methods are described for generating and implementing pulse-shaping filters for efficient utilization of limited spectral resources in wireless communication systems. Wireless communication systems operating at high spectral efficiency conventionally use pulse shaping filters that rely on Nyquist waveforms for good main lobe performance with low inter-symbol interference (ISI) power. Conventional uses of non-Nyquist waveforms typically involve an orthogonalization process to convert those non-Nyquist waveforms to Nyquist waveforms for ISI free performance. Embodiments of pulse shaping filters described herein generate a non-Nyquist partial response (NNPR) transmit filter and / or matched receive filter based on applying a tunable second-weighted orthogonalization to a tunable first-weighted non-Nyquist waveform to obtain a pulse-shaping waveform with parametric control over throughput and power penalty.

The invention belongs to the technical field of wireless communication, and particularly relates to a wireless communication system for free-range animals, which comprises animal wearable devices worn on different animals and used for broadcasting current position information of the animals; the data transfer module is in wireless communication connection with the animal wearable device and is used for receiving and relaying data information of the animal wearable device; the control end is in wireless communication connection with the data transfer module and is used for acquiring position information of different animals through the data transfer module and sending an instruction to the animal wearable device through the data transfer module; wherein the animal wearable device initially works in a low-power-consumption mode; when the animal wearable device is in the low-power-consumption mode, the animal wearable device is used for broadcasting the current position information and the appointed time at fixed time, and starting the signal receiving device in the animal wearable device at the appointed time to receive an instruction sent by the control end through the data transfer module.

The present disclosure generally relates to wireless communication systems, and more particularly, to an apparatus and method for measuring energy consumption of user equipment in a wireless communication system. Specifically, a Session Management Function (SMF) receives an SMF event subscription for requesting user data volume(s) and additional information of energy consumption measurement target information of a UE from an Energy Information Function (EIF) or Network Data Analytics Function (NWDAF) through a Service Based Interface (SBI). The SMF extracts a gNB ID from user location information received from an Access and Mobility Management Function (AMF). The SMF transmits to a User Plane Function (UPF) through the SBI via UPF event subscription or through an N4 interface to obtain user data volume(s). After receiving user data volume(s) and additional information from the UPF, the SMF can transmit information for UE energy consumption calculation including these to the EIF or NWDAF.

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.

The present invention discloses a radio frequency stealth method based on sidelobe power suppression of a subarray-level four-dimensional antenna array. The basic system of the method is composed of an antenna array, a radio frequency switch, a power divider, a signal source, a local oscillator source, a mixer, a power amplifier, a switch control system, a phase shifter, and an attenuator. Under the premise of considering the radiation pattern of the array antenna unit, the method is based on subarray division and array statistical performance, and achieves a low average radiation power effect in the sidelobe area through a low mean square value, so that the probability of signal detection is reduced. On this basis, the probability of the received signal being identified can be minimized in the non-desired direction by maximizing the relative variance. Compared with the existing confidentiality system, the physical structure of this method is simple and the calculation is convenient. The present invention is applied to wireless communication systems with high radio frequency stealth performance requirements.