3630 results about "Synchronization signal" patented technology

This application provides a communication method and apparatus for reducing energy consumption while maintaining normal communication of a network apparatus. In the method, a terminal apparatus obtains operation mode information of a network apparatus, where an operation mode of the network apparatus includes one of a first operation mode or a second operation mode, and the first operation mode and the second operation mode belong to a same radio access technology. In the first operation mode, a transmission resource for a synchronization signal of the network apparatus has lower overheads or supports fewer functions. Alternatively, an access procedure in the first operation mode is different from an access procedure in the second operation mode. Based on the operation mode information, the terminal apparatus performs communication with the network apparatus by using the configuration information in one of the first operation mode and the second operation mode.

A wireless device transmits radio resource control (RRC) messages comprising capability parameters indicating support, for a layer 1 and / or layer 2 triggered mobility (LTM) procedure and within a measurement window, for synchronization signal block (SSB) based inter-frequency layer 1 reference signal received power (RSRP) measurement of a candidate cell with a received time difference, between the candidate cell and a serving cell, larger than a cyclic prefix (CP) length. The device receives RRC messages indicating a measurement window. The device receives a command indicating an uplink transmission of a L1 RSRP report of the candidate cell. The first cell and the candidate cell are inter-frequency configured. The device transmits the L1 RSRP report measured over one or more first SSBs of the candidate cell. The first SSBs are received: via the candidate cell with the received time difference being greater than the CP length, and within the measurement window.

Techniques described herein include solutions for configuring and using parallel measurement gaps with the same gap type for both synchronization signal block (SSB) based and channel state information reference signal (CSI-RS) based measurements associated to the same frequency layer. A User Equipment (UE) may indicate its capability to support parallel measurement gaps to a non-terrestrial base station. The capability may be indicated individually for SSB based and CSI-RS based measurements, or in a combined format for both SSB based and CSI-RS based measurements. The UE receives a measurement gap configuration to configure the parallel measurement gaps and performs measurements accordingly. The measurement gaps for SSB based measurements and the measurement gaps for CSI-RS based measurements may be considered as associated to the same or different frequency layers depending on various conditions.

The present disclosure relates to turning on / off a synchronization signal and a broadcast channel signal in a wireless communication system. This operating method of a terminal may comprise the steps of: receiving downlink control information (DCI) related to system information; acquiring allocation information for receiving the system information on the basis of the DCI; receiving the system information on the basis of the allocation information; acquiring first information related to the position of synchronization signal / physical broadcast channel blocks (SSBs) included in the system information; receiving second information related to on or off of the SSBs; and receiving at least one of the SSBs on the basis of the first information and the second information.

According to embodiments, a user equipment (UE) obtains a repetition number (N) of a sidelink synchronization signal / physical broadcast channel block (S-SSB), N is at least 2. The UE performs a S-SSB transmission of the S-SSB by repeating the S-SSB N times in the frequency domain.

A first-type synchronization signal block (SSB) is transmitted on a cell at a first-type SSB time in a first mode. A second-type SSB is transmitted on the cell at a second-type SSB time on the basis of switching from the first mode to a second mode. The first type SSB includes a PSS, an SSS, and a PCBCH, and the second-type SSB has a different structure from the first-type SSB.

A network entity configures a synchronization signal block (SSB) using SSB resources that convey a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) within an SSB resource area of a resource grid bounded in time by a first configured integer number of time units and bounded in frequency by a second configured integer number of physical channels. A product of the first configured integer number and the second configured integer number is a predetermined constant value, each symbol of the SSB has an equal number of resource elements (REs), and all REs in the each symbol of the SSB, except REs within a frequency guard band between any two of the PSS, the SSS, and the PBCH in the each symbol of the SSB, have non-zero values. A user equipment receives the SSB in the SSB resources as a beamformed SSB.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects. a user equipment (UE) may monitor. using a low-power (LP) wake-up-radio (LP-WUR) and based on an LP monitoring configuration. at least one of an LP-wake-up-signal (LP-WUS) occasion or an LP-synchronization-signal (LP-SS) occasion during at least one monitoring occasion. wherein the at least one monitoring occasion corresponds to a collision, in a time domain. between the LP-WUS occasion and the LP-SS occasion. The UE may receive the at least one of an LP-WUS or an LP-SS during the at least one monitoring occasion. Numerous other aspects are described.

The invention provides a real-time synchronous control method and system based on an EtherMAC bus, and the method comprises the steps: obtaining an original transmission frame sequence in a bus transmission channel through a monitoring unit; calculating a path topology priority factor and a clock offset compensation value according to a preset topological structure rule; obtaining a to-be-transmitted data frame sequence based on a calculation result, and adjusting a phase synchronization pulse in the monitoring unit to obtain an adjusted phase synchronization pulse; performing redundancy check on the to-be-transmitted data frame sequence to generate a check state code; when the value reaches a preset error threshold value, extracting a to-be-marked frame from the to-be-transmitted data frame sequence, and generating a synchronization signal set containing a high-reliability identifier; generating a real-time synchronization control instruction for driving the execution terminal based on the phase synchronization pulse and the adjusted phase synchronization pulse; according to the technical scheme provided by the invention, real-time monitoring, frame reconstruction and clock synchronization adjustment of data transmission are realized, and high-precision synchronization response of terminal control is improved.

A method of optimizing synchronization signal block (SSB) beam configuration for 3rd Generation Partnership Project (3GPP) New Radio (NR) network includes: using at least one of an artificial intelligence (AI) and machine learning (ML) engine in one of service management and orchestration (SMO) module, non-real time radio access network intelligent controller (Non-RT RIC), and near-real time radio access network intelligent controller (Near-RT RIC), to derive at least one optimal SSB beam configuration for the 3GPP NR network; and communicating, by the at least one of the AI and ML engine, the derived at least one optimal SSB beam configuration to a network node of the 3GPP NR network. Both the training and deployment of the at least one of the AI and ML engine are executed in the Non-RT RIC, and a static mapping between SSB beam identifiers (IDs) and beamforming weights (BFWs) is predefined.

A method can include receiving, by a wireless device, configuration parameters of a secondary cell (SCell) comprising a first channel state information (CSI) report configuration associated with one or more first CSI resources comprising one or more on-demand synchronization signal blocks (SSBs) of on-demand SSBs of the SCell. The method can also include receiving a medium access control (MAC) control element (CE) indicating transmissions of the on-demand SSBs of the SCell. The method can further include transmitting, based on the MAC CE indicating the transmissions of the on-demand SSBs, a first CSI report for the SCell according to the first CSI report configuration.

Certain aspects of the present disclosure provide techniques for periodically switching off geosynchronous cells. A method that may be performed by a user equipment (UE) includes receiving an indication that a non-terrestrial network (NTN) cell will stop broadcasting synchronization signals (SS) during a period of time; and performing one or more actions during the period of time based on the indication.

The invention provides an intelligent control method and system for discrete event simulation of an aluminum template production line, and relates to the technical field of data processing.The method comprises the steps that a material transfer path instruction and a cutting process key point coordinate sequence are analyzed from a dynamic anti-interference scheduling strategy, the key point coordinate sequence is input into a curve driving algorithm, and a curve driving algorithm is obtained; a parameterized continuous cutting path curve is generated according to the aluminum template contour precision requirement and the cutting head dynamics constraint; the method comprises the following steps: performing equal-bow-height error discretization processing on a continuous cutting path curve to generate a discrete pose point set with a timestamp, superposing AGV dynamic constraints to generate a speed look-ahead control instruction set, splitting the instruction set into independent control units according to process sections, packaging the independent control units into a time trigger message through an industrial bus protocol, and sending the time trigger message to a server; and the simulation clock synchronization signal is injected into a physical execution unit. According to the invention, intelligent and accurate control of the aluminum template production process is realized, and the production efficiency is effectively improved.

This application provides an information transmission method and a communication apparatus. The method includes: A terminal receives first indication information from a network device, where the first indication information indicates a first access threshold corresponding to a first synchronization signal; and the terminal determines, based on a value relationship between a local access value and the first access threshold, whether to send random access request information on a random access channel occasion corresponding to the first synchronization signal. This can improve resource utilization.

A method and an apparatus for paging in a wireless communication system are provided. The method includes determining, by a radio access network (RAN) node, information for paging, where the information for paging includes information for paging a User Equipment (UE) which is related to a synchronization signal block (SSB) beam; and paging, by the RAN node, the UE in an idle state or inactive state, based on the information for paging. The method can page a UE more accurately.

A wireless transmit receive unit (WTRU) may receive an indication of a transmitted synchronization signal block (SSB) included in a SSB burst and an indication of a skipped SSB in the SSB burst. The skipped SSB is not transmitted by the base station in the SSB burst. The WTRU may determine to send an indication that the WTRU wants to use the skipped SSB for or after the initial access procedure. The WTRU may transmit a random access preamble using a random access resource and receive at least one downlink transmission using a beam associated with the skipped SSB.

The invention discloses a direct current B code wave recording alarm analysis device and method based on an FPGA, and relates to the technical field of power system automation and signal analysis, and the device comprises an FPGA collection module which is used for collecting a TTL level signal of a direct current B code in real time at a preset sampling frequency, recording a high-precision timestamp of each sampling point, and carrying out the subsequent pulse parameter calculation; the pulse width measurement module is connected with the FPGA acquisition module, is used for calculating the pulse width of the current pulse based on the rising edge timestamp and the falling edge timestamp of the signal, triggering a wave recording module, and is used for starting wave recording operation when the pulse width is detected to exceed a preset threshold range or abnormity occurs for a plurality of times continuously; collecting complete waveform data before and after the fault; the DC B code wave recording alarm analysis device and method based on the FPGA improve the intelligent level, response speed and fault visualization capability of a B code monitoring system, and are especially suitable for high-reliability monitoring and management scenes of key synchronization signals in a DC system.

Certain aspects of the present disclosure provide techniques for association period based physical random access channel (PRACH) adaptation and activation. An example method, performed at a user equipment (UE), generally includes receiving signaling indicating adaptation of a first set of one or more random access channel (RACH) occasions (ROs), wherein the adaptation results in a second set of one or more ROs, determining an association period in which each synchronization signal block (SSB), of a set of SSBs, are mapped to at least one RO of the second set of ROs, and transmitting a RACH preamble in an RO of the second set, in accordance with the determined association period.

The invention discloses a fan transmission chain vibration intelligent diagnosis method based on a power sub-box, and relates to the technical field of mechanical equipment state monitoring and fault diagnosis, and the method comprises the steps: S1, obtaining a multi-channel vibration signal, collecting an original data flow from the front and rear end positions of a main shaft at the input end and the output end of a gearbox through a sensor, the method comprises the following steps: carrying out power binning on original data according to a power change range during operation of a fan, respectively storing the data in different power intervals, establishing an independent time synchronization reference, and calibrating sampling clock skew of each channel by adopting a clock synchronization algorithm to obtain a preliminary synchronization signal sequence under a unified time reference; according to the intelligent diagnosis method for the vibration of the fan transmission chain based on the power sub-boxes, the fault diagnosis accuracy, the real-time performance and the interpretability of the fan gearbox under the variable power operation condition are remarkably improved, and reliable technical support is provided for health management and intelligent operation and maintenance of wind power equipment.

The embodiment of the invention relates to the technical field of man-machine interaction, and discloses a joint data feedback method and device based on a flexible sensor, a medium and a product. The method comprises the following steps: determining a time sequence calibration feature set according to a multi-source synchronization signal of a flexible sensor array; according to the time sequence calibration feature set, determining a joint function evaluation result and an action classification result; in combination with the joint function evaluation result, according to the deviation between the action classification result and a preset biomechanical standard library, joint dynamic function deviation data are determined; determining a biomechanical feedback instruction of the wearable device according to the joint dynamic function deviation data; wherein the biomechanical feedback instruction is matched with the functional state corresponding to the joint function evaluation result, and the method and device can be at least used for solving the technical problems that in the related technology, joint functions and actions are not accurate in recognition, and precise personalized control is difficult to achieve.

The invention discloses a rectifier bridge arm fault identification method and system circuit based on multi-characteristic current waveform analysis, and relates to the technical field of rectifier bridge arm fault identification, and the method comprises the steps: collecting a current signal of an AC input side of a rectifier bridge through a current sensor, and obtaining an original current time domain waveform after filtering conditioning; performing period division on the original current time domain waveform based on a voltage synchronization signal, and outputting a positive half-cycle conduction interval and a negative half-cycle conduction interval in each power frequency period; in each power frequency period, performing square integral operation on the current waveforms of the positive half-cycle conduction interval and the negative half-cycle conduction interval to obtain a positive half-cycle energy value and a negative half-cycle energy value, and calculating an energy unbalance degree; and windowing fast Fourier transform is carried out on the original current time domain waveform, amplitudes and phases of third, fifth and seventh characteristic harmonics are extracted to form a harmonic characteristic vector, the vector is matched with a pre-stored bridge arm fault harmonic fingerprint template, and the matching degree of each fault type is obtained.

The invention relates to the technical field of digital demodulation, in particular to a digital demodulation method suitable for deep ultraviolet light communication, which comprises the following steps of: adopting multiple delay processing with half code element width, and respectively carrying out double extraction processing on a discrete sampling signal which is not subjected to delay processing and a plurality of delay sampling signals to obtain a plurality of delay extraction signals; in this way, the key sampling time in the coverage code element period can be ensured, and a basis is provided for subsequent accurate synchronization; a plurality of delay extraction signals are respectively input into corresponding equalization processing units, a preset local training sequence is loaded to each equalization processing unit to obtain a plurality of equalization filtering signals, and the plurality of equalization filtering signals and the preset local training sequence are respectively subjected to related judgment processing, so that the inter-symbol interference is inhibited, and meanwhile, the equalization processing efficiency is improved. The synchronization signal can be quickly screened out, so that the problem that inter-symbol interference and synchronization are difficult to consider in a traditional demodulation method is solved, and the demodulation efficiency and reliability are remarkably improved.

Systems and methods are disclosed that are related to puncturing of Control Resource Set (CORESET) #0, e.g., for operation in a narrow channel bandwidth. In one embodiment, a method performed by a User Equipment (UE) comprises operating in a wireless spectrum allocation that is smaller than an amount of frequency domain resources needed for receiving a Synchronization Signal (SS) / Physical Broadcast Channel (PBCH) block (SSB) and CORESET #0. The method further comprises receiving, from a network node, an SSB and CORESET #0 after puncturing, wherein puncturing of the SSB is determined by a number of resource blocks (RBs) comprised in the wireless spectrum allocation within a respective frequency band and puncturing of a Physical Downlink Control Channel (PDCCH) mapped to the CORESET #0 is determined by the puncturing of the SSB and one or more offset parameters. The method further comprises decoding a message based on the PBCH / PDCCH.

The invention discloses a multi-modal interaction evaluation system and method based on synchronous data acquisition, and relates to the technical field of biomedical engineering and man-machine interaction, and the method comprises the steps: generating a synchronous pulse sequence through a synchronous signal generator according to the same coding time base, and outputting the synchronous pulse sequence to an optical path and an electrical path at the same time; pulse events are recognized in the video and the electrophysiological data respectively, and observation pairs of counting numbers and timestamps are obtained; time drift is continuously estimated and compensated through robust regression in a sliding window, and a unified time axis is generated; furthermore, a dynamic time window of heart beat anchoring is constructed according to an R peak event of the electrocardiosignal, and consistent segmentation and feature extraction of cross-modal data are achieved.

Embodiments of the present disclosure relate methods and systems for transmitting downlink Orthogonal time frequency-division multiplexing (OTFDM) symbol. The method comprising time-multiplexing, by the transmitter, at least one of a primary synchronization signal (PSS) sequence, a secondary synchronization signal (SSS) sequence and a physical broadcast channel (PBCH) sequence to generate a multiplexed sequence. Also the method comprises processing, by the transmitter, the multiplexed sequence to generate a SS Block OTFDM symbol.

A wireless device transmits, for a random access procedure, a physical uplink shared channel (PUSCH) transmission based on a first spatial filter. The wireless device receives a medium access control control element (MAC CE) indicating activation of more than one TCI state of a plurality of TCI states. The wireless device transmits one or more first uplink signals before applying a TCI state, from the more than one TCI state, indicated by a downlink control information (DCI), using the first spatial filter used and a first transmission power determined based on a synchronization signal block (SSB). The wireless device transmits, after applying the TCI state, one or more second uplink signals using: a second spatial filter determined based on a reference signal indicated by the TCI state and a second transmission power determined based on power control parameters associated with the TCI state.

A method can include evaluating, by a wireless device, a radio link quality (RLQ) measured within a first period and on one or more first synchronization signal blocks (SSBs) of SSBs of a cell. A length of the first period can be based on a first periodicity value of the SSBs. The SSBs can be received on a bandwidth part (BWP) of the cell. The method can also include receiving an indication of a SSB periodicity adaptation to a second periodicity value and evaluating the RLQ measured, on one or more second SSBs of the SSBs of the BWP and within a second period. A length of the second period can be based on the second periodicity value after an application gap of the SSB periodicity adaptation. The method can further include transmitting an uplink indication based on the measured RLQ.

Systems, methods, and instrumentalities are disclosed for synchronization signal burst, signal design, and / or system frame acquisition. A synchronization signal (SS) block or burst can be received. The SS block or burst can include a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and / or a physical broadcast channel (PBCH). A first cell ID can be determined, and / or a plurality of SSS sequences can be generated. An m0 value (e.g., a first cyclic shift) can be determined from a set of m0 values, for example, based on the generated plurality of SSS sequences. An n1 value (e.g., a second cyclic shift) can be determined from a set of n1 values. A second cell ID can be determined based on, for example, the m0 value and the n1 value. A third cell ID can be determined based on, for example, the second cell ID and the first cell ID.

The invention discloses a cable fault accurate positioning method and system based on acoustic-magnetic synchronization and deep learning, and relates to the technical field of cable fault localization, and the method comprises the steps: synchronously collecting an acoustic signal and a magnetic signal generated in a cable fault region, and generating an original acoustic-magnetic synchronization signal pair; in combination with the current signal interference parameter, de-noising by using a deep convolutional neural network to obtain an enhanced acoustic-magnetic synchronization signal pair, calculating an acoustic-magnetic propagation speed difference according to the enhanced acoustic-magnetic synchronization signal pair, and determining first fault point positioning; inputting the regional cable distribution topology of the cable fault region, the current fault scene parameter and the enhanced acoustic-magnetic synchronization signal pair into a fault positioning identification plug-in, and outputting second fault point positioning; and determining a second positioning prediction confidence coefficient, carrying out positioning fitting on the first fault point positioning and the second fault point positioning, and outputting a cable fault fixed point result. According to the invention, the technical problem of insufficient cable fault fixed point accuracy in the prior art is solved.

This application provides a communication method and a related apparatus, to avoid a sending conflict between a plurality of terminals and implement beam training. The method includes: A first terminal sends N sidelink synchronization signal blocks S-SSBs to a second terminal on N first time-frequency resources, where the N first time-frequency resources are located within a resource pool, and N is an integer greater than 1. The second terminal sends feedback information from the second terminal to the first terminal on one or more of M second time-frequency resources, where the feedback information indicates measurement results of one or more S-SSBs in the N S-SSBs, the N second time-frequency resources are located in the resource pool, M is an integer greater than 1, and M is less than or equal to N.