127 results about "Radio channel" patented technology

The invention discloses a multi-modal fusion green port digital management and control system and method, and relates to the technical field of port management and control, and the method comprises the following steps: collecting the signal-to-noise ratio data of a radio channel of a video link, and generating a port area electromagnetic interference thermodynamic diagram through spatial interpolation; and dynamically adjusting a synchronous clock of each camera according to the electromagnetic interference thermodynamic diagram, mapping the frame triggering offset into a pixel compensation matrix, and performing sub-pixel-level space-time correction on the image frame to obtain a corrected video frame sequence. According to the method, target credibility judgment and path optimization under multi-modal perception are realized through construction of an interference thermodynamic diagram, space-time correction, artifact recognition and point cloud fusion, an interference model and a recognition threshold are dynamically regulated and controlled through closed-loop feedback, and an end-to-end self-adaptive port digital management and control method is constructed. The artifact identification accuracy and scheduling stability are significantly improved, and the anti-interference and green efficient operation capabilities of the port management and control system are enhanced.

A communication device for providing a channel state information, CSI, feedback in a wireless communication system includes a transceiver to receive, from a transmitter a radio signal via a time-variant, frequency-selective MIMO channel, the radio signal including downlink reference signals according to a reference signal configuration including a number of antenna ports, and downlink signals including the reference signal configuration; and a processor. The processor estimates an explicit CSI in the frequency domain using measurements on the downlink reference signals on the radio channel, selects a Doppler-delay precoder matrix (W) for a composite Doppler-delay-beam three-stage precoder, calculates either one or more of a channel quality indicator, CQI, and / or a precoder matrix indicator, PMI, and / or a rank indicator, RI, and reports to the transmitter the CSI feedback including either one or more of the CQI, and / or the PMI and / or the RI.

The invention relates to a communication method. The communication method may comprise determining a composite signal, the composite signal representing a sum of symbols associated with frequency-time resources and of a pilot representative of at least one pulse in a delay-Doppler domain, wherein the symbols associated with frequency-time resources comprise at least data symbols and transmitting the composite signal through a radio channel.

The present disclosure relates to a data transmission method, a UE and a network node. The method performed by a network node includes: configuring a first and / or second radio channel for a first PDU session, or configuring a first and / or second radio channel for at least one same QoS flow of a first PDU session. The first radio channel is configured to transmit first data to a UE; the second radio channel is configured to transmit second data to the UE; the first and second radio channels are one of a unicast radio channel, a broadcast or multicast radio channel; the first data represents first data of the first PDU session or first data of at least one QoS flow of the first PDU session; the second data represents second data of the first PDU session or second data of at least one Qos flow of the first PDU session.

Methods for sensing through observing radio channel properties in a radio communication network. One of the methods is performed by a responding station, another is performed by an initiating station, and still another is performed by a result consuming station arranged to actuate something based on the result. The initiating station transmits an initiating message the responding station. The initiating message includes attributes for a sensing operation. The responding station causes reception of a signal transmitted over a radio channel in the radio communication network, and causes transmission of a response message having response information based on radio channel properties of the radio channel and formed based on the attributes for the sensing operation. The result consuming station receives the response message and provides a control signal through an output interface.

A technique for transmitting and receiving a configuration message for a phase tracking reference signal, PT-RS, on a radio channel between a radio access node and a radio device is described. The radio channel comprises a plurality of subcarriers in a physical resource block, PRB. A subset of the subcarriers in the PRB is allocated to a demodulation reference signal, DM-RS. As to a method aspect of the technique, the configuration message is transmitted to the radio device. The configuration message comprises a bit field that is indicative of at least one subcarrier allocated to the PT-RS among the subset of subcarriers allocated to the DM-RS.

The invention relates to a communication method, comprising: determining a composite signal, the composite signal representing a sum of symbols associated with frequency-time resources and of a pilot representative of at least one pulse in a delay-Doppler domain; wherein the symbols associated with frequency-time resources comprise at least data symbols and transmitting the composite signal through a radio channel.

A method may comprise: training, by a network node, a first machine learning (ML) model for selection of training modes for collaborative training of a second ML model by a plurality of devices, wherein the first ML model is configured for selection of the training modes based on radio channel state information (CSI) of the devices and an estimate of energy consumption for training the second ML model by a respective device of the devices; transmitting the first ML model to the devices; transmitting the second ML model to the devices; receiving radio CSI from each of the devices; sharing the received radio CSI with the devices; receiving, from the devices, indications of the training modes of the devices for the collaborative training of the second ML model; and performing iterative training of the second ML model.

A technique for transmitting and receiving a configuration message for a phase tracking reference signal, PT-RS, on a radio channel between a radio access node and a radio device is described. The radio channel comprises a plurality of subcarriers in a physical resource block, PRB. A subset of the subcarriers in the PRB is allocated to a demodulation reference signal, DM-RS. As to a method aspect of the technique, the configuration message is transmitted to the radio device. The configuration message comprises a bit field that is indicative of at least one subcarrier allocated to the PT-RS among the subset of subcarriers allocated to the DM-RS.

A sensing measurement employing sensing signals multiplexed with communication signaling of a cellular network is configured. Measurement reports are communicated. A reporting scheme may be configured. Measurement reports can include full information of a radio channel of sensing signals employed by the sensing measurement. Measurement reports may include a Channel Impulse Response, CIR, matrix. Measurement reports may also include object-related sensing information based on the obtained radio channel information by the sensing measurement.

Systems and techniques are provided for performing wireless communications. In some aspects, a mesh gate includes an access point (AP) interface and a mesh interface, and can monitor a sub-gigahertz wireless radio channel for probe requests. An AP mode of the mesh gate can be activated to turn on the AP interface based on receiving a probe request from a station (STA) in a Basic Service Set (BSS). The mesh gate can wirelessly connect to and perform communications with the STA using the AP interface. The mesh gate can perform communications with one or more mesh nodes in a mesh BSS using the mesh interface, wherein the mesh gate node is configured to provide communications between the STA and the one or more mesh nodes via an interconnection between the AP interface and the mesh interface.

An evacuation lighting system with a fast linkage control function, belonging to the field of building fire protection. The system includes an emergency lighting controller, an emergency lighting centralized power supply, fire emergency lamps, a wired remote interface module, a wired linkage module, a light sensor, a light linkage module, a wireless interface module, and a wireless linkage module. The methods include: (1) A fast linkage control method realized by indirectly monitoring the mains power state by using the wired remote interface module, the wired linkage module, and borrowing the communication lines of the existing system; (2) A fast linkage control method realized by indirectly monitoring the mains power state by using the wireless interface module, the wireless linkage module, and the wireless communication channel; (3) A fast linkage control method realized by monitoring the lighting state of the environment by using the light sensor and the light linkage module. The evacuation lighting system of the present invention solves the problems of long emergency conversion time, low reliability of linkage control, and difficult remote line construction in the existing system, and the emergency start-up time is less than 0.25 seconds.

A wireless communication network and a transceiver are provided. A radio transmitting device is configured to transmit a spread spectrum radio signal in which a carrier frequency is changed among a predetermined set of radio channels according to a hopping sequence, the radio signal being organized into packets, each packet having a header transmitted at a first channel in the hopping sequence, the header including a detection sequence, and payload data encoding a message transmitted at a subsequent channel in the hopping sequence.

An assembly for wirelessly transmitting data using a Bluetooth low energy architecture is disclosed. The assembly may include a medical device and a hub. The medical device may include a broadcaster configured to wirelessly transmit or transmit data related to the medical device. The hub may include a scanner to receive data from the broadcaster. The scanner may include at least a first receiver having a first radio, a second radio, and a third radio. The first receiver may be configured to simultaneously scan a plurality of radio channels with the first radio, the second radio, and the third radio, and the first receiver may be configured to simultaneously receive data from the broadcaster over the plurality of radio channels.

A radio access network (RAN) system comprises a plurality of capsules that operate in parallel to cooperatively perform RAN stack operations, each capsule utilizing a processor and a memory configured to perform a corresponding component of the RAN stack operations, wherein the plurality of capsules are configured to support slicing functionality to separately process different types of signals; wherein the different types of signals correspond to different data flows, wherein each data flow of the different data flows serves as a pipe to transfer user data from one or more applications in accordance with a corresponding quality of service requirement and wherein the RAN stack operations result in: communicating backhaul communications with a core communication network; communicating fronthaul communications with a plurality of radio units configured to engage in wireless communications with a plurality of user equipment (UEs) via a radio channel of a radio network; converting, in accordance with a communication standard, received fronthaul communications from the plurality of radio units into backhaul communications transmitted to the core communications network; and converting, in accordance with the communication standard, received backhaul communications from the core communications network into fronthaul communications transmitted to the plurality of radio units.

A method performed by a processing system including at least one processor includes allocating a full bandwidth of a radio channel of a radio access network to a user endpoint device, detecting the user endpoint device activating a service that is associated with a bandwidth part of the radio channel, wherein the bandwidth part comprises less than an entirety of the full bandwidth, and adjusting, in response to the detecting, an amount of a bandwidth of the radio channel that is allocated to the user endpoint device from the full bandwidth to the bandwidth part.

The invention relates to a method for infrastructure-supported assistance of several motor vehicles during a respective at least partially automated journey using a multi-channel radio system for communication between motor vehicles and infrastructure, comprising the following steps: receiving input data to be sent to the motor vehicles via the radio system, Determining those input data of the received input data which are to be sent first via a first radio channel of the radio system, sending the determined input data via the first radio channel. The invention further relates to a device, a computer program and a machine-readable storage medium.

This disclosure provides methods, components, devices and systems for providing enhanced radio channel selection using messages between wireless devices. Some aspects more specifically relate to collecting wireless channel measurement and channel state information (CSI) during a channel scan process at a wireless device. The wireless device provides the collected CSI to another wireless device connecting to the wireless network to aid in its channel selection and network connection process. In some additional aspects, a receiving wireless device receives messages which include CSI collected at another wireless device in the wireless network. The receiving wireless device uses the received CSI to reduce a channel selection time and improve channel selection decisions during a channel selection process at the receiving wireless device.

A communication device for providing a channel state information, CSI, feedback in a wireless communication system includes a transceiver to receive, from a transmitter a radio signal via a time-variant, frequency-selective MIMO channel, the radio signal including downlink reference signals according to a reference signal configuration including a number of antenna ports, and downlink signals including the reference signal configuration; and a processor. The processor estimates an explicit CSI in the frequency domain using measurements on the downlink reference signals on the radio channel, selects a Doppler-delay precoder matrix (W) for a composite Doppler-delay-beam three-stage precoder, calculates either one or more of a channel quality indicator, CQI, and / or a precoder matrix indicator, PMI, and / or a rank indicator, RI, and reports to the transmitter the CSI feedback including either one or more of the CQI, and / or the PMI and / or the RI.

The invention discloses a general radio channel modeling method based on full-wave electromagnetic simulation, and the method comprises the following steps: firstly depicting the response of radio channel key components such as a receiving and transmitting end antenna, a wireless transmission channel, a receiving and transmitting end matching network and internal and external noise sources, and the antenna parameters are determined through full-wave electromagnetic simulation; then calculating the total response of each component of the radio channel after cascading according to a cascading multi-port circuit network theory, and obtaining radio channel matrixes in physical significance and information theory significance; and finally, radio channel statistical characteristics and radio channel capacity are analyzed. Compared with an existing wireless propagation channel modeling method, the method has the advantages that topological parameters, radiation parameters and circuit parameters of the antenna are fully considered, and joint modeling of the antenna and the wireless propagation channel is achieved. Based on wireless propagation channel parameters and antenna parameters obtained through full-wave electromagnetic simulation, the radio channel modeling method can support various wireless propagation environments and antenna types.

A radio access network (RAN) system comprises a plurality of capsules that operate in parallel to cooperatively perform RAN stack operations corresponding to a plurality of RAN stacks, each capsule utilizing a processor and a memory configured to perform a corresponding component of the RAN stack operations, wherein the RAN stack operations result in: communicating backhaul communications with a core communications network; communicating fronthaul communications with a plurality of radio units configured to engage in wireless communications with a plurality of user equipment (UEs) via a radio channel of a radio network; converting, in accordance with a communication standard, received fronthaul communications from the plurality of radio units into backhaul communications transmitted to the core communications network; and converting, in accordance with the communication standard, received backhaul communications from the core communications network into fronthaul communications.

One aspect of the disclosure provides a method for estimating a radio channel between a base station and a wireless device. The base station includes an antenna system which is configurable to utilize beam space processing for receiving radio transmissions. The method includes: using the antenna system to detect wireless energy from the wireless device in a plurality of beam directions; obtaining historical data relating to a likelihood that wireless energy in the plurality of beam directions contains channel information; selecting a subset of the plurality of beam directions based on the detected wireless energy and the historical data; and processing wireless energy detected in the subset of beam directions to estimate a channel between the base station and the wireless device.

A method for user equipment to improve position information of one or more communication devices including obtaining map information about positions of the one or more communication devices, determining radio channel information about the one or more communication devices by analyzing a radio channel, and generating a node map having improved position information of the one or more communication devices using the map information and the radio channel information.

A radio communication apparatus that simultaneously uses multiple radio channels, the radio communication apparatus includes a radio communicator, and a radio controller, wherein the radio controller uses multiple transmission methods, at least one of the multiple transmission methods is a method for reducing latency, at least one radio channel of the multiple radio channels is allocated to the method for reducing latency, a beacon is transmitted on the multiple radio channels by use of the radio communicator, and information transmitted in the beacon includes an information element indicating the at least one radio channel allocated to the method for reducing latency.

The invention relates to estimation of a response of a radio channel and an application thereof. An apparatus comprising means for using a signal transmitted by a first transmitter circuit, coupled to a first receiver circuit within the apparatus, and received by the first receiver circuit, and a signal transmitted by the first transmitter circuit, coupled to a second receiver circuit within the apparatus, and received by the second receiver circuit, determining different reception compensations for the signal received at the first receiver circuit and the signal received at the second receiver circuit; the invention relates to a method and a device for using a signal transmitted by a first transmitter circuit, coupled to a first receiver circuit within the device and received by the first receiver circuit, and a signal transmitted by a second transmitter circuit, coupled to the first receiver circuit within the device and received by the first receiver circuit, different transmit compensations are determined for the signals transmitted by the first and second transmitter circuits.

This invention discloses a method and apparatus for selecting hop nodes for wireless sensors. The method includes: extracting node information of the current node corresponding to the wireless sensor within a communication network; calculating node energy efficiency, node data packet transmission success rate, and node overall load based on the current node information; calculating neighbor node values ​​using the node energy efficiency, data packet transmission success rate, and node overall load; calculating a node overall value based on the neighbor node values; selecting the node with the largest overall value from several node overall values; and using the communication node with the largest overall value as the hop node. This invention calculates the node overall value through various node information and then selects nodes based on the overall value. This can filter nodes with short paths, low packet loss rates, and high communication performance, improving the accuracy and practicality of the selection process and avoiding serious problems such as data redundancy and radio channel contention.

Method and apparatus for interactions between measurement services and connectivity services. The apparatus establishes a first association with a CS via a first radio channel with a first eDU. The apparatus receives, via the first association, a first configuration for a second radio channel of the first eDU. The apparatus receives, via a second association with a MS, a first measurement configuration via the second radio channel. The apparatus, via the second association, transmits a first measurement report via the second radio channel based on the first measurement configuration. The apparatus is configured to receive, via the first radio channel or the second radio channel, a second configuration for a third radio channel and a fourth radio channel with a second eDU, where the second configuration comprises instructions to switch to the second eDU.

A method for communicating between a motor vehicle and an infrastructure. The method includes: ascertaining a requirement vector for at least one function to be carried out with the aid of the motor vehicle and / or the infrastructure, the requirement vector indicating which characteristics of a communication link between the motor vehicle and the infrastructure should simultaneously be satisfied for an execution of the function; ascertaining a communication state, which indicates which communication possibilities exist for a communication link between the motor vehicle and the infrastructure; ascertaining a radio channel between the motor vehicle and the infrastructure based on the requirement vector and based on the ascertained communication state; establishing a communication link between the motor vehicle and the infrastructure using the ascertained radio channel to carry out the at least one function using the established communication link.

A method of performing channel estimation for a radio channel between a transmitter and a receiver of a radio access network, RAN comprises the step of performing an initial channel estimation (204) of the radio channel for each of a plurality of frequency ranges (502), based on a radio signal received on the radio channel from the transmitter, the radio signal comprising a signal sequence (510) out of the set of signal sequences (510) in each of the frequency ranges (502), to obtain an initial channel estimate (504) for each frequency range (502), and applying a filter (206) to the initial channel estimates (504) for the frequency ranges (502), a length (508) of the filter (206) in the frequency domain being greater than lengths of the frequency ranges (502), to obtain a filtered channel estimate (506) for all subcarriers (406) in the respective one of the frequency ranges (502).

According to a first aspect, examples provide a method of operating a first communication node (CN), wherein the first CN is configured for controlling a first CED, wherein the first CED is reconfigurable to provide multiple spatial filterings, each one of the multiple spatial filtering being associated with a respective input spatial direction from which incident signals on a radio channel are accepted and with a respective output spatial direction into which the incident signals are transmitted by the first CED. The method comprises receiving, from a second CN on the radio channel, a first reference signal via a first propagation path and a second propagation path, wherein receiving the first reference signal via the first propagation path involves receiving a component of the reference signal via the first CED, measuring a first reception property of the first reference signal, and providing, to the first CED, a message for configuring the first CED to induce a first phase shift in the first propagation path. Further examples provide a further method of operating a first CN methods of operating a CED as well as respective first CNs, second CNs and CEDs.