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102 results about "Channel bank" patented technology

In telecommunications, a channel bank is a device that performs multiplexing or demultiplexing ("demux") of a group of communications channels, such as analog or digital telephone lines, into one channel of higher bandwidth or higher digital bit rate, such as a DS-1 (T1) circuit, so that all the channels can be sent simultaneously over a single cable called a trunkline.

Terminal, base station and communication method

A terminal includes: a reception unit configured to receive a plurality of downlink shared channels that are scheduled in multiple carriers by a single control information from a base station: a control unit configured to generate feedback information related to retransmission control corresponding to the plurality of downlink shared channels: and a transmission unit configured to transmit the feedback information to the base station. The control unit determines a cell for transmitting the feedback information, based on an uplink shared channel group to which the plurality of downlink shared channels belong.
Owner:NTT DOCOMO INC

Method and apparatus for HARQ-ACK sub-codebook combination

Embodiments of the present application are related to a method and apparatus for hybrid automatic repeat request acknowledgement (HARQ-ACK) sub-codebook combination under 3GPP (3rd Generation Partnership Project) 5G new radio (NR). A method for wireless communications performed by a user equipment (UE) includes: receiving a downlink control information (DCI) format for scheduling a physical downlink shared channel (PDSCH) transmission in a PDSCH group, wherein the DCI format includes an indicator for requesting that hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback corresponding to the PDSCH group and HARQ-ACK feedback corresponding to another PDSCH group are to be transmitted in same HARQ-ACK codebook, and the PDSCH transmission is a last PDSCH transmission in the PDSCH group received by the UE before transmission of the HARQ-ACK feedback corresponding to the PDSCH group; and transmitting a HARQ-ACK codebook, wherein the HARQ-ACK codebook includes at least two parts, one part comprises HARQ-ACK information bits for the PDSCH group, and the other pad comprises HARQ-ACK information bits for the above mentioned another PDSCH group.
Owner:LENOVO (BEIJING) LTD

Channel selection method and device and communication equipment

The invention relates to the technical field of wireless communication, in particular to a channel selection method and device and communication equipment, and the method comprises the steps: monitoring the data packet receiving and transmitting condition of each channel group in real time, and calculating to obtain the packet delivery rate of each channel group; the channel group is obtained by compounding a plurality of adjacent channels; arranging the packet delivery rate of each channel group in a descending order, and determining the priority of each channel group; carrying out subtraction processing on the packet delivery rate of each adjacent channel group, and determining a packet delivery rate difference value between each channel group and the adjacent channel group; according to the packet delivery rate difference value between each channel group and the adjacent channel group, determining a plurality of available channel groups of which the packet delivery rate difference value exceeds a preset threshold value; and starting the plurality of available channel groups, and disabling the channel groups except the available channel groups. According to the invention, the trial and error cost caused by repeated collision with the interference signal can be reduced, and the interference channel can be rapidly detected and avoided; by monitoring the PDR indexes of the channels in real time, the channels with relatively poor performance are eliminated, so that the BLE is ensured to preferentially use the channels with relatively good performance in the communication process, and the communication quality is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Anchor channel switching mechanism for multi-radio device

A station (e.g. multi-link device (MLD)) of a BSS having an operating channel made of a primary channel and one or more secondary channels, one of the secondary channels being an anchor channel for NP
Owner:CANON KK

Automatic management of open water channels in storage critical conditions

The invention discloses a water distribution system for controlling the delivery of water under gravity to at least one customer through a computer-controlled channel having a plurality of pools which are open conduits between respective upstream and downstream regulators and have both a hydraulic capacity and defined channel bank or maximum allowable operating level. The water distribution system has a multi-pool storage control system that reactively provides flow commands to control the opening of said regulators. The multi-pool storage control system determines the flow commands to coordinate multi-pool participation in balanced utilisation of distributed storage along sections of said channel to manage uncontrolled and uncertain system-level supply demand mismatch that cannot be eliminated through available control authority. The multi-pool storage control system operates without requiring direct measurement or forecasting of the supply-demand mismatch.
Owner:RUBICON RES PTY LTD +1

Audio encoding method, apparatus, electronic device, and storage medium

This disclosure provides an audio encoding method, an audio decoding method and apparatus therefor, an electronic device, a storage medium, a computer program product, and a computer program. [Solution] The method includes the steps of: grouping a channel sequence to obtain a plurality of channel groups, each channel group containing a plurality of consecutive channels in the channel sequence, with one or more identical channels between adjacent channel groups; performing a frequency domain transformation on each audio signal of each channel in the channel sequence frame by frame to obtain frequency domain coefficients for each frame of each channel; determining a target transformation matrix for each frequency band in a frequency band set corresponding to the channel group from a set of transformation matrices based on the frequency domain coefficients of each channel; performing same-band decorrelation on the frequency domain coefficients of the channels in the channel group based on the target transformation matrix for each frequency band to obtain coding information for the channel group; and obtaining a coded stream based on the coding information for the channel group and sending the coded stream to a decoder for decoding.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Industrial wireless network resource scheduling method based on multi-weight quality assessment model

The present invention discloses an industrial wireless network resource scheduling method based on a multi-weight quality assessment model. The method collects relevant data of the recent network status through the application of a sliding window mechanism by the internal nodes of the network, constructs a multi-weight quality assessment model to calculate the transmission quality of the time slots in the candidate pool; uses a Q learning algorithm of Pareto optimization and adaptive exploration to dynamically adjust the weights; based on the transmission quality of the time slots output by the multi-weight quality assessment model, the 6P protocol is combined to dynamically manage the time slot resources of the nodes, including dynamically releasing and supplementing time slots, maintaining and optimizing the time slot pool, and selecting the most suitable channel combination through a pseudo-random channel selection mechanism. The node uses the selected channel for data transmission and updates the scheduling table. This method utilizes a multi-weight quality assessment model and Pareto optimization to achieve dynamic adjustment of time slots and channels, and ensure high reliability and end-to-end low latency of wireless sensor node data transmission.
Owner:JIANGXI NORMAL UNIV

An Internet of Things-based power equipment condition monitoring system

ActiveCN120034280BTransmission monitoringFrequency spectrumSuperconducting resonators
The present invention discloses an Internet of Things-based power equipment status monitoring system, which relates to the technical field of wireless communication networks. It includes: a spectrum sensing module that detects and identifies the noise characteristics in electromagnetic signals through a quantum spectrum sensing array to obtain corresponding spectrum data and classification results; a dynamic evaluation module that filters out a list of available channels through dynamic channel survivability, and determines corresponding channels for signal transmission from the list of available channels according to the classification results of the SVW classifier; a frequency hopping optimization module that determines a globally optimal frequency hopping sequence through the list of available channels and the total energy between different channels. The present invention realizes the capture of microsecond-level transient noise through a superconducting resonator and a quantum compressive sensing algorithm, and at the same time, real-time filters out anti-interference channels through dynamic channel survivability and obtains an optimal channel combination, enabling it to complete channel switching within 10 ms.
Owner:国网四川岷江供电有限责任公司 +1

Method and device for determining HARQ codebook

A method includes: a terminal device receives first Downlink Control Information (DCI), wherein the first DCI is used for scheduling a first Physical Downlink Shared Channel (PDSCH), the terminal device determines a first uplink resource, the first uplink resource being used for feeding back a first HARQ codebook corresponding to at least one of a plurality of channel groups, wherein downlink allocation indicators (DAIs) corresponding to the PDSCHs in the plurality of channel groups are consecutively counted; the terminal device determines the first HARQ codebook for the first uplink resource. By consecutively counting DAIs corresponding to PDSCHs in the plurality of channel groups, the present application can implement consistent understanding of the sizes of HARQ codebooks corresponding to the plurality of channel groups by a terminal device and a network device.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

A channel configuration method, apparatus and device

Disclosed are a channel configuration method, device and equipment to improve the overall network performance of a wireless local area network. The method comprises: obtaining a target channel combination, the target channel combination being a channel combination with the minimum interference value between APs in a plurality of AP groups of a first floor and APs in a plurality of AP groups of a second floor among a plurality of possible channel combinations. Configuring channels for the APs in the plurality of AP groups of the first floor and the APs in the plurality of AP groups of the second floor according to the target channel combination.
Owner:HUAWEI TECH CO LTD

LoRa channel hopping method and device based on WiFi backoff guard band

The invention provides a LoRa channel hopping method and device based on a WiFi backoff guard band, and the method comprises the steps: constructing a channel quality model and an interference set based on an SINR and RSSI sequence obtained from a specified channel of each channel group; on the basis of the constructed channel quality model, a specified channel in the optimal WiFi protected channel group is selected for detection; if the channel quality is lower than a preset threshold value, identifying a WiFi working channel by adopting a sib-channel-based detection algorithm, and reselecting an available protected channel group; selecting a hopping target channel according to an interference set based on the selected protected channel group, configuring a spreading factor in combination with a node geographic position, and realizing dynamic scheduling of node transmission based on a WiFi traffic model; based on the configured transmission parameters, synchronization with the sending node is carried out, the target channel is continuously monitored at the same time, and the available channel group is reselected when the channel performance is reduced, so that the potential interference can be converted into a protection opportunity while the WiFi performance is not reduced, and the LoRa communication reliability and the spectrum utilization rate are improved.
Owner:TIANJIN POLYTECHNIC UNIV

Simulation Method, Device and System for Time-division Multiplexing Telemetry Frame Packing of Routing Spacecraft Channels

A simulation method, device and system for time-division multiplexing telemetry framing of a routing spacecraft channel. The method includes: receiving simulation data, if the simulation data is telemetry data of a target spacecraft, calling a data source simulation model to perform real-time transmission virtual channel data source simulation processing on the telemetry data, so as to encapsulate the simulation data into real-time transmission target spacecraft virtual channel data units, and using an on-board fixed storage simulation model to store the data to be stored; if the data is simulation operation control command data, calling a downlink channel time-division multiplexing simulation model to perform telemetry framing simulation processing, so as to call a data source simulation model to perform real-time transmission virtual channel data source simulation processing according to the status bus information; publishing the telemetry frames sent by the downlink channel time-division multiplexing simulation model, advancing the simulation time, and obtaining the telemetry framing simulation result. The present invention realizes accurate simulation of the downlink channel framing process of a routing spacecraft, ensures that the spacecraft efficiently and accurately executes deep space exploration tasks, and saves resource costs.
Owner:BEIJING AEROSPACE CONTROL CENT

Configuration of secondary control channel group by base station

A base station transmits, to a wireless device, configuration parameters of a secondary physical uplink control channel (PUCCH) group. The configuration parameters include a PUCCH secondary cell and a secondary cell. The base station transmits, during a first time interval, a command activating the secondary cell. The base station starts reception of channel state information, from the wireless device, for the secondary cell from a second time interval that is a positive number plus a pre-determined number of time intervals after the first time interval. In response to activation of the PUCCH secondary cell being completed in or after the pre-determined number of time intervals after the first time interval, the positive number is based on when the activation of the PUCCH secondary cell is completed by the wireless device.
Owner:PENINSULA TECH LLC

Method and electronic device for multi-link operation (MLO) silent scan

A method for a Multi-Link Operation (MLO) silent scan applicable to a station is provided. The method includes the following steps. An access point (AP) is connected through a first channel and a second channel. The first channel is within a first channel group, and the second channel is within a second channel group. Full channels within the second channel group or the first channel group are scanned alternatively, and communication with the AP through the first channel or the second channel alternatively is maintained during the scan.
Owner:MEDIATEK INC

Communication method and communication device

The present application relates to the field of communication technology and provides a communication method and a communication device for reducing the power consumption of a multi-antenna radio frequency module without affecting the module's high capacity and high experience capabilities. A specific solution involves using a radio frequency channel in a first radio frequency channel set to carry a first type of signal and a radio frequency channel in a second radio frequency channel set to carry a second type of signal, where the first radio frequency channel set and the second radio frequency channel set are different and the first type of signal and the second type of signal have different functions. The present application is used in a process of transmitting signals on radio frequency channels.
Owner:HUAWEI TECH CO LTD

Multi-link operation MLO silent scanning method and electronic equipment

The invention provides a multi-link operation (MLO) silent scanning method and electronic equipment. The method comprises the following steps: connecting an access point (AP) through a first channel and a second channel; wherein the first channel is located in a first channel group, and the second channel is located in a second channel group; and alternatively scanning all channels in the second channel group or the first channel group, and alternatively keeping communication with the AP through the first channel or the second channel during the scanning.
Owner:MEDIATEK INC

A data interaction method and system based on Bluetooth communication

The application discloses a data interaction method and system based on Bluetooth communication, and relates to the technical field of communication, which comprises the following steps: real-time scanning of interference and load conditions of each channel through a multi-channel cooperative scheduling mechanism of a Bluetooth device; constructing a channel utilization rate evaluation model and dynamically selecting an optimal channel combination; receiving end adopts a hybrid automatic repeat request mechanism to perform real-time checking on each link data flow; performing demand analysis and decision allocation and dynamically allocating resource units; judging whether interference exists in the current channel; real-time statistics of end-to-end delay of data packets from sending to receiving, and triggering a dynamic optimization process when the delay exceeds a threshold; and sharing channel resources among access points through a cooperative spatial multiplexing technology. Through the setting of a channel combination module, a delay monitoring module and a resource sharing module, the delay of multi-device concurrent transmission is reduced, the channel resources are shared among access points, and the quality of Bluetooth communication is improved.
Owner:ANHUI TAIYI COMM TECH CO LTD

Communication device and communication method

The present technology relates to a communication device and a communication method capable of curbing deterioration of frequency utilization efficiency. A communication device including a control unit configured to set a first frequency channel group used at the time of simultaneously transmitting data in cooperation with another communication device constituting another network, to set a second frequency channel group used for communication in a host network, and to dynamically control bandwidths of frequency bands in the first frequency channel group and the second frequency channel group is provided. The present technology can be applied to, for example, a wireless LAN system.
Owner:SONY GROUP CORP

A device for monitoring water level and flow in open channels

This utility model relates to a water level and flow rate monitoring device for open channels, comprising a prefabricated base, multiple helical anchors, a column fixed to the base, a horizontal arm fixed to the column, a water level and flow rate monitoring probe fixed to the horizontal arm, and an equipment box fixed to the column. The helical anchors are screwed into the soil beside the channel. A connecting bolt is provided at the top of the helical anchor for connection to the base, and connecting holes corresponding to the connecting bolts at the top of the helical anchor are provided on the edge of the base. The base and the helical anchors are fixedly connected by the connecting bolts. This utility model uses helical anchors to fix the prefabricated base, and the helical anchors are fixedly connected to the base by bolts. This avoids excavating and pouring concrete foundations on the channel bank, greatly saving construction time, improving the installation efficiency of the device, and reducing construction difficulty.
Owner:HEBEI PROVINCE SHIJIAZHUANG HYDROLOGICAL SURVEY RESEARCH CENTER

Walking type underwater supporting equipment and truss supporting system

The invention provides walking type underwater supporting equipment and a truss supporting system, the walking type underwater supporting equipment is connected to the water inlet end of a truss and used for supporting the truss, the walking type underwater supporting equipment comprises a cross beam connected with the water inlet end of the truss and a moving mechanism arranged at the bottom of the cross beam in the length direction of the cross beam, and the walking type underwater supporting equipment further comprises two supporting seats, the adjusting mechanism is arranged on the side face of the supporting base and connected with the walking wheels. The supporting seat and the walking wheel arranged on the supporting seat are used as a supporting structure of the cross beam, so that the cross beam slides towards the channel bottom direction under the action of the supporting seat and the walking wheel by means of self gravity until the splicing part of the first truss section moves to a proper area close to the channel bank on the channel surface, splicing of the second truss section is facilitated, and the splicing efficiency of the second truss section is improved. The operation is repeated until the cross beam moves to the bottom of the channel under the action of the walking wheels, splicing of all the truss sections is completed, and compared with the prior art, the influence of the complex underwater environment on truss splicing is reduced, so that the truss splicing efficiency is improved.
Owner:CHINA CONSTRUCTION EIGHTH ENGINEERING GROUP (SICHUAN) NEW ENERGY TECHNOLOGY CO LTD

Channel access method and apparatus, terminal, chip and storage medium

A channel access method, a channel access apparatus and a non-transitory computer readable storage medium are provided. The method includes: Type2 channel access is performed on at least one first channel in a set of channels, wherein a channel access result obtained by performing Type2 channel access on the at least one first channel is used to determine whether the at least one first channel is available for transmitting a sidelink synchronization signal block (S-SSB) in a first slot, the set of channels are channels scheduled for transmitting the S-SSB in the first slot, and the at least one first channel and the first slot are included in a channel occupancy time (COT).
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Wireless Channel Selection Method, Device, Electronic Device and Readable Storage Medium

The present application discloses a wireless channel selection method, apparatus, electronic device, and readable storage medium, which are applied to the field of wireless communication technologies. The wireless channel selection method includes: obtaining busy wireless channels under the current channel width, where the busy wireless channels are wireless channels in a busy state; screening at least one candidate wireless channel from the available wireless channel group under the current channel width according to the busy wireless channels, where the candidate wireless channels are wireless channels not affected by channel interference factors; and selecting a target wireless channel from the candidate wireless channels according to the first channel congestion degree of each candidate wireless channel. The present application solves the technical problem of low selection accuracy in wireless channel selection.
Owner:SHENZHEN SKYWORTH SOFTWARE

W-band receiving and transmitting integrated device

The invention relates to a W-band transmit-receive integrated device which integrates an antenna TR assembly, a signal processing assembly and a channel assembly to realize high integration level. The antenna TR assembly is used for receiving and transmitting W-band signals; the channel assembly is connected with the antenna TR assembly and is used for processing W-band signals received or transmitted by the antenna TR assembly; the signal processing assembly is connected with the channel assembly through a multifunctional connector, and is used for generating and processing a radio frequency signal used by the channel assembly. According to the technical scheme, all the components are reasonably arranged, the size is reduced, the integration level is high, meanwhile, signals can be controlled and processed only by providing a set of connectors externally, and use is convenient.
Owner:CHENGDU TCDK TECH CO LTD

Channel-group based coding of digital waveform data

An encoder and decoder are for encoding into or decoding from a data stream digital wave- form data comprising a one or more channels. The encoder is configured to group the one or more channels into one or more channel groups, encode the one or more channels into payload packets channel-group wise and frame wise so that each packet is associated with a channel group and has exclusively encoded a frame of one or more channels thereinto which are within the channel group with which the respective packet is associated.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

Radio station and communication system

A radio station includes, a controller configured to configure a bundled channel which is a channel group obtained by bundling a plurality of channels and first information related to the bundled channel, and perform control to generate a transmission opportunity for a second signal that requests an uplink resource for a first signal, according to an amount of data in the bundled channel and the first information, and a communicator configured to transmit the second signal to another radio station according to the transmission opportunity for the second signal, and receives a radio resource from the other radio station.
Owner:1FINITY INC

Wireless communication method, wireless communication system, and control station

A wireless communication method according to one embodiment is a method, wherein wireless communication is established between at least one mobile transceiver station provided with a plurality of antennas and a base station provided with a plurality of antennas, the method including: estimating channel information for each of one or more channels based on location information for each of the antennas that transmit and receive radio waves; predicting an external factor affecting each channel for which channel information is estimated; calculating a channel capacity for each channel for which channel information is estimated based on the predicted external factor; determining a channel combination that maximizes the total channel capacity of wireless communication established between the at least one transceiver station and the base station based on each calculated channel capacity; and controlling an orientation of each antenna for transmitting and receiving radio waves based on the determined combination. lkfhlw
Owner:NT T INC