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135 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

Coding method and apparatus, decoding method and apparatus, and communication device

The present application belongs to the technical field of communications. Disclosed are a coding method and apparatus, a decoding method and apparatus, and a communication device. The coding method in the embodiments of the present application comprises: a first communication device respectively determining channel capacities of sub-channels corresponding to M bits of a first modulation symbol; the first communication device dividing the sub-channels corresponding to the M bits into T sub-channel groups according to the channel capacities of the sub-channels corresponding to the M bits; the first communication device dividing a codeword sequence having a length of N into T groups to obtain T codeword sub-sequences; the first communication device determining the reliability ranking among the T codeword sub-sequences according to column weights of the T codeword sub-sequences; and the first communication device respectively mapping bits of the T codeword sub-sequences onto the sub-channels of the T sub-channel groups according to the channel capacity ranking among the T sub-channel groups and the reliability ranking among the T codeword sub-sequences.
Owner:VIVO MOBILE COMM CO LTD

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

Adaptive adjustment frequency hopping communication method and device, equipment and storage medium

The invention discloses a self-adaptive adjustment frequency hopping communication method and device, equipment and a storage medium, and relates to the field of radio frequency communication. Dividing a common channel and a data channel, setting the common channel as a broadcast channel, and determining a target broadcast channel according to the RSSI value; sending a query instruction to the receiving end by taking the target broadcast channel as a working channel, analyzing a preset data channel set by the opposite side based on the reply response, and determining a target data channel according to the RSSI value; and replying the determined target data channel by using the target broadcast channel, carrying out frequency hopping on the common channel to the target data channel to send a data instruction, and carrying out frequency hopping back to the common channel after transmission is completed. According to the scheme, the target broadcast channel is determined according to the frequency hopping logic and the RSSI value in the corresponding channel group, the query instruction is sent to the opposite end, confirmation is carried out according to the preset data channel temporarily distributed by the opposite end, handshake judgment is carried out, handshake can be rapidly carried out, communication is stable, and the anti-interference capability is high.
Owner:无锡芯亿集成电路有限公司

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

The invention discloses an industrial wireless network resource scheduling method based on a multi-weight quality evaluation model, and the method comprises the steps: collecting the related data of a recent network state through an internal node of a network by applying a sliding window mechanism, and constructing the multi-weight quality evaluation model to calculate the transmission quality of a time slot in a candidate pool; dynamically adjusting the weight by using a Pareto optimization and self-adaptive exploration Q learning algorithm; based on the transmission quality of the time slot output by the multi-weight quality evaluation model, performing action state management on the time slot resource of the node by combining a 6P protocol, including dynamically releasing and supplementing the time slot and maintaining and optimizing the time slot pool, and selecting the most suitable channel combination through a pseudo-random channel selection mechanism, so as to realize the optimal channel selection. And the node performs data transmission by using the selected channel and updates the scheduling table. According to the method, a multi-weight quality evaluation model and Pareto optimization are utilized, dynamic adjustment of time slots and channels is achieved, and high reliability and end-to-end low delay of wireless sensor node data transmission are guaranteed.
Owner:JIANGXI NORMAL UNIV

Construction and repair equipment and construction and repair method for concrete lining plates of channels or riverways in running water state

The invention relates to the field of water conservancy construction, and particularly discloses channel or river concrete lining plate construction repairing equipment and a repairing method thereof in a running water state, and the equipment comprises a truss, an operation module, an underwater non-dispersive concrete regeneration mixing module, a power system and an automatic control system, wherein the operation module comprises a cutting module, a grabbing module, a geomembrane repairing module and an underwater non-dispersive concrete printing module, and the cutting module, the grabbing module, the geomembrane repairing module and the underwater non-dispersive concrete printing module are selectively arranged on the crane beam according to operation content; and the automatic control system is respectively in electric signal connection with the power system, the underwater non-dispersible concrete regeneration mixing module and the operation module. The scheme can adapt to different channel bank slope surface or river channel slope surface conditions, and concrete lining plates at different damaged positions can be subjected to automatic cutting, dismantling, regeneration mixing, geomembrane repairing and underwater non-dispersive concrete printing operation.
Owner:CHINA CONSTRUCTION EIGHTH ENGINEERING GROUP (SICHUAN) NEW ENERGY TECHNOLOGY CO LTD +1

Testing device for simulating long-term operation stability of membrane bag concrete slope protection

Film bag concrete has wide application scenes in protection projects such as dam slope protection and channel bank protection, but under the scouring erosion action of surge load, the film bag concrete cracks to easily cause loss of bank slope soil components and reduction of strength, and finally cause instability damage of a bank slope. Therefore, main and secondary factors influencing the long-term operation stability of the film bag concrete slope protection are necessary to be fully researched under laboratory conditions, and a scientific basis is provided for further application of the film bag concrete in water transportation engineering. Therefore, the test device for simulating the long-term operation stability of the membrane bag concrete slope protection is provided, the test device is composed of a transverse-longitudinal bidirectional wave making device, a membrane bag concrete ballasting-cracking simulation device, a sensor monitoring analysis system and a model box, and the invention further provides a test method based on the test device. According to the invention, the long-term operation stability of the film bag concrete slope protection under the real complex wave load condition can be simulated under the indoor laboratory condition, and a scientific basis is provided for the reinforcement design and construction organization of the film bag concrete slope protection.
Owner:广西平陆运河建设有限公司 +3

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

Channel switching method and device

The invention discloses a channel switching method and device. The method comprises the following steps: determining a plurality of candidate channel combinations for communication among a plurality of network elements in a network; obtaining channel performance evaluation values respectively corresponding to the plurality of candidate channel combinations; acquiring a current channel performance evaluation value of a current channel combination of the plurality of network elements; selecting a target channel combination from the plurality of candidate channel combinations based on the channel performance evaluation values corresponding to the plurality of candidate channel combinations respectively and the current channel performance evaluation value; and switching the current channel combination of the plurality of network elements to the target channel combination. According to the invention, the technical problem that the performance of the whole network is relatively poor due to same-frequency interference between channels in a networking scene in the related technology is solved.
Owner:TP-LINK INT SHENZHEN CO LTD

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

Combined monitoring and prevention method suitable for bank slope instability failure under erosion condition

A combined monitoring method suitable for bank slope instability failure under an erosion condition is characterized in that the combined monitoring method comprises hydraulic gradient monitoring, soil shear strength monitoring and soil surface displacement field monitoring; the hydraulic gradient monitoring result is used for obtaining hydraulic gradient safety coefficients at different area positions of the bank slope, the soil body shear strength monitoring result is used for obtaining the overall anti-slip safety coefficient of the bank slope soil body, and the soil body surface displacement field monitoring result is used for drawing a soil body surface shear strain cloud chart. The combined monitoring method is suitable for various types of bank slope stratums. According to the method, the influence of the erosion action on the stability of the bank slope soil body structure is accurately detected from three angles of hydraulic gradient, soil body shear strength and soil body surface displacement, and early-stage accurate prevention and control of channel bank slope instability failure are achieved. Meanwhile, the invention further provides a bank slope instability damage grading prevention and control method based on the combined monitoring result, and economic, efficient, safe and reliable anti-sliding reinforcement treatment of the channel bank slope is achieved.
Owner:广西平陆运河建设有限公司 +3

Method for wireless communication, terminal device, and network device

A method for wireless communication, a terminal device, and a network device. The method comprises: a first terminal device determines, according to first information, a first channel from among multiple channels supported by a current cell. The first information comprises one or multiple of the following: weight parameters of the multiple channels; a first identifier associated with the first terminal device; a first channel group to which the first terminal device belongs, wherein the multiple channels belong to multiple channel groups, and the first channel group is one of the multiple channel groups; and first indication information sent by a network device, the first indication information being used to indicate the first channel to the first terminal device. Introduction of the first information facilitates the first terminal device in selecting a suitable channel.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP 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