659results about "Signal channels" patented technology

The invention provides an HPLC (High Performance Liquid Chromatography) dual-mode communication stability method, medium and system, and belongs to the technical field of dual-channel multiplexing communication, and the method comprises the following steps: firstly, collecting HPLC low-frequency / high-frequency carrier signals, working voltage / current, temperature and electromagnetic interference data in real time; stable, variable and noise components of a carrier signal are respectively obtained through empirical mode decomposition, and a correlation coefficient matrix of the variable components and interference factors is established by using multiple linear regression and singular value decomposition. And calculating a signal intensity, a signal-to-noise ratio and an error rate evaluation matrix based on the stability coefficient matrix, and constructing an abnormal feature matrix in combination with a communication protocol specification. And finally, inputting the features into a five-layer full-connection neural network, outputting fault type probability distribution through a softmax function, and taking the type corresponding to the maximum probability value as a diagnosis result. According to the invention, the technical problem of rapid and accurate diagnosis of HPLC communication stability in a complex and changeable low-voltage distribution network environment is solved.

Systems, methods, and apparatus are provided for automated identification of open space in a wireless communications spectrum, by identifying sources of signal emission in the spectrum by automatically detecting signals, analyzing signals, comparing signal data to historical and reference data, creating corresponding signal profiles, and determining information about the open space based upon the measured and analyzed data in near real-time.

Disclosed are systems, apparatuses, processes, and computer-readable media for wireless communications. For example, an example of a process for performing sidelink positioning at a user equipment (UE) includes receiving, at the UE, a resource block including a plurality of sidelink symbols in a slot. The slot includes a plurality of slot portions. For instance, a first slot portion of the plurality of slot portions may include at least a first sidelink symbol with at least a first sidelink positioning reference signal (SL-PRS) resource and a second slot portion of the plurality of slot portions may include at least a second sidelink symbol with at least a second SL-PRS resource. The process may further include processing, by the UE, at least one SL-PRS resource in each of the plurality of slot portions of the slot.

Method and device(s) for supporting performance of machine learning based CFR and DPD on multiple digital input signals relating to different frequency bands, respectively, in order to signal condition said signals before power amplification and subsequent transmission in said frequency bands by a wireless communication network. The device(s) obtain said multiple digital input signals as complex valued signals. The device(s) perform feature construction that takes said multiple digital input signals as input and provides constructed feature signals according to predefined constructed feature types as output. Said predefined constructed feature types relate to at least the following per complex valued sample of the obtained complex valued multiple digital input signals the real part of the sample, the imaginary part of the sample and at least one of the absolute value of the sample and the phase of the sample.

Wireless communications are described. A base station may send control information for scheduling data to be transmitted to the wireless device via a downlink. The control information may comprise one or more indications of wireless resources to be used by the wireless device to receive the data. The wireless device may receive the data based on one or more determinations / conditions, such as satisfying a time offset (e.g., between reception of the downlink information and a scheduled transmission of the data), whether a control resource set is configured to indicate a transmission configuration state, and / or whether the control information indicates a transmission configuration state.

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). The present disclosure provides a method performed by a second node in a communication system, comprising: receiving first configuration information for first data from a first node; obtaining first predicted data signals of various layers of the first data based on the first configuration information; determining a first set including the first predicted data signal of at least one layer of the various layers and a second set including the first predicted data signals of one or more layers of multiple layers based on an accuracy of the first predicted data signals of the various layers; obtaining a third set based on the first configuration information and the first set, wherein the third set includes second predicted data signals corresponding to the one or more layers; obtaining a fourth set based on the second set and the third set, wherein the fourth set includes third predicted data signals corresponding to the one or more layers; obtaining soft bits of the first data based on the first set and the fourth set.

Embodiments are provided wherein a mobile device that is associated with a cellular system is configured to communicate with a second device that is associated with the cellular system subject to a time-varying, dispersive, multipath fading environment. The mobile device comprises an antenna system comprising a plurality of polarizations and a processor that is configured to reduce a cross-polarization interference caused by said time-varying, dispersive, multipath fading environment while the mobile device uses a first polarization and a second polarization of the plurality of polarizations to increase a transmission throughput of information and / or a reception throughput of information. The mobile device is further configured to perform operations including processing first and second signals received respectively on the first and second polarizations and to use a plurality of receive channel coefficients to perform first and second mathematical operations on the first and second signal, respectively.

Wireless communications are described. A wireless device and / or a base station may determine / select one or more beams for transmission of signals (e.g., sounding reference signals, SRSs) in one or more cells. The wireless device and / or the base station may determine / select a beam based on one or more of: cell indicators of a first cell and / or a second cell, antenna panel indicators associated with SRS transmissions, priorities of SRS transmissions, resource set indicators corresponding to the SRS transmissions, and / or other information.

Apparatus, methods, and computer-readable media for facilitating multiplexing of uplink signals at a repeater are disclosed herein. An example, a method for wireless communication at a repeater, includes obtaining a first uplink signal associated with a UE. The example method also includes providing a first uplink communication including the first uplink signal multiplexed with a second uplink signal, the second uplink signal being associated with an MT component of the repeater. Additionally, the example method includes obtaining a multiplexing configuration based in part on at least one of a phase distortion and a power mismatch associated with the first uplink communication. The example method also includes providing a second uplink communication based in part on the multiplexing configuration, the second uplink communication including a third uplink signal multiplexed with a fourth uplink signal.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit neural network (NN) capability information to a network entity. The network entity may train the NN model by selecting a NN-based precoder and generating associated coefficients. The network entity may transmit an indication of the precoder coefficients to the UE. The network entity may transmit demodulation reference signals (DMRSs) that have not been precoded and a physical downlink shared channel (PDSCH) signal that has been narrowband-precoded according to the indicated precoder. The UE may then perform and input a channel estimation to the NN model. The NN model may output the narrowband precoder, which the UE may use to generate a narrowband channel estimate and demodulate the narrowband precoded PDSCH signal. In some examples, the network entity may update NN coefficients and may indicate the updated NN coefficients to the UE.

An apparatus, method and computer program product for: receiving (305) information relating to a power level of a radio beam received by an antenna array, analysing (310) a radio beam power profile associated with the antenna array, determining (315), based on the radio beam power profile, a characteristic of a radio channel, calculating (320), based on the characteristic, an optimum radio beam gain of the antenna array, and estimating (325) a link budget based on the optimum radio beam gain of the antenna array and the information relating to the power level of the radio beam received by the antenna array.

The embodiments of the present application provide a data transmission method, a communication device and a communication system. The method includes: a baseband unit determines the first data mapped to the first time unit from the first data stream of the first user, the number of symbols contained in the first time unit is less than the number of symbols contained in a time slot, and the first data is part of the data in the first data stream; the baseband unit sends the first data to the radio frequency unit within the time window corresponding to the first time unit. In this scheme, when the baseband unit sends the user's data to the radio frequency unit, the data stream of a user is divided in the time domain according to the granularity of the time unit, and the amount of data of the single time unit granularity after the division is sent each time, thereby reducing the amount of data sent at a single time. When the data sent at a single time has a bit error or data loss phenomenon, the method can reduce the amount of retransmitted data and improve the data transmission efficiency.

The present disclosure provides a communication method, apparatus, electronic device, and computer readable storage medium. The method improves the Measurement Timing Configuration SMTC of a cell synchronization signal, the improved SMTC including SSB information of a serving beam cell and a neighbour beam cell, the neighbour beam cell including other beam cells covered by other beams, other than the serving beam, of a first non-terrestrial node covering the serving beam cell and / or beam cells covered by beams of a second non-terrestrial node adjacent to the first non-terrestrial node. Enabling the UE to obtain, in a timely and reliable manner, the SSB signals of the beam cells covered by beams, other than the serving beam, of a first non-terrestrial node and / or the beam cells covered by beams of the second non-terrestrial node for cell measurement in the non-terrestrial communication network.

Wireless communications are described. A wireless device and / or a base station may determine / select one or more beams for transmission of signals (e.g., sounding reference signals, SRSs) in one or more cells. The wireless device and / or the base station may determine / select a beam based on one or more of: cell indicators of a first cell and / or a second cell, antenna panel indicators associated with SRS transmissions, priorities of SRS transmissions, resource set indicators corresponding to the SRS transmissions, and / or other information.

The present disclosure provides a method and an apparatus for transmitting control information, an electronic device and a storage medium. The method includes determining at least one PSCCH candidate on the selected at least one PSCCH resource when performing sidelink communication; and transmitting the PSCCH on the determined at least one PSCCH candidate. The technical solution of the present disclosure can fully utilize the control channel resources for transmitting the SCI in the V2X resource pool, so that when the same data resource is used for the sidelink transmission of different UEs, the degree of conflict of control messages between the UEs is reduced, and the negative impact of conflicts caused by different UE on performance is effectively improved, thereby improving the decoding performance of the sidelink control information.

Automated communication channel selection is provided. A method, system, and computer readable storage device automatically perform a discovery process of a MoCA® network, to determine a topology of the network, perform a spectrum analysis of a DOCSIS® network of which a portion of the frequency range may be shared, apply one or more business rules to the collected network and spectrum usage data, and determine an optimized channel configuration for transmitting data to end devices in a local network. For example, the channel configuration may be configured for optimal bandwidth allocation, transmission speeds, signal quality, etc., without interferences within the shared frequency spectrum range. A gateway device may include a filter that can be reconfigured as an all-pass filter or as a variable low-pass filter based on the channel configuration determination. The MoCA® network may be reconfigured to operate within a defined frequency range based on the determined channel configuration.

A method of detecting a superimposed SCMA signal from a plurality of user equipments (UEs) in a receiver of an OTFS communication system includes initializing and performing an iterative loop in which a mean value of all posterior estimates of a transmission signal, determined so far, is calculated, these posterior estimates are based on OTFS demodulated received signals, corresponding channel matrices, and mean vectors and variances determined for each UE. The mean value of all posterior estimates so far determined is used to determine the vector and variance for each UE, further using the probability of non-zero elements in the respective UE codebook. Iterations are repeated until the termination standard is met.

According to embodiments, a method performed by a radio unit (RU) may comprise an operation of receiving configuration information for a remote interference management (RIM)-reference signal (RS) from a distributed unit (DU). The method may comprise an operation of receiving a message containing bit data for the RIM-RS from the DU. The method may comprise an operation of generating a complex-valued symbol corresponding to the bit data for the RIM-RS. The method may comprise an operation of generating a RIM-RS signal by performing at least one of phase rotation or phase difference compensation for the complex-valued symbol on the basis of the configuration information. The method may comprise an operation of generating a baseband signal corresponding to the RIM-RS signal on the basis of an inverse fast fourier transform (IFFT) and cyclic prefix (CP) insertion of the RU.

The present disclosure provides a satellite communication method and apparatus based on a time division duplex (TDD) frame structure design. The solution is: determining a preset time division duplex (TDD) frame structure group corresponding to a base station, wherein the preset TDD frame structure group includes a first TDD frame structure and a second TDD frame structure generated after frame header offsetting is performed on the first TDD frame structure; in response to receiving a first message transmitted by a terminal, determining a UE set to which the terminal belongs, wherein the UE set is a first UE set or a second UE set; if the terminal belongs to the first UE set, scheduling the terminal based on the first TDD frame structure; and if the terminal belongs to the second UE set, scheduling the terminal based on the second TDD frame structure.

A method for realizing rate-splitting multi-access in a mobile cell-free massive MIMO system includes the following steps: splitting, by an access point, the data of each user into two parts with common message and private message, coding all the common message into one super message common message stream, coding each piece of the private message into a private message stream; coding, by the access point, the private message stream using an arbitrary linear pre-coding method, coding the super common message stream using an optimal pre-coding method, and sending the final coded super common message streams to user terminals after superimposing the final coded super common message stream on the private message streams; first decoding, by the user terminals, the super common message stream, removing the super common message stream using successive interference cancellation technology, and then decoding the private message streams.

A method of detecting superimposed SCMA signals from multiple user equipment in a receiver of an OTFS communication system includes initializing an executing an iteration loop, in which a mean of all a posteriori estimates of the transmitted signal determined so far is calculated, which a posteriori estimates are based on the OTFS-demodulated received signal, the corresponding channel matrix, and the mean vectors and variances determined for each UE. The mean of all a posteriori estimates determined so far is used for determining vectors and variances for each UE, further using the probabilities of the non-zero elements of the respective UEs codebooks. The iteration is repeated until a termination criterion is met.

A method implemented in a user equipment (UE) configured to communicate with a network node and to determine one or more predictable beams based on one or more first measurements on a first set of beams belonging to the network node is described The method includes receiving a channel state information (CSI) report configuration including configuration information indicating the UE is to perform one or more second measurements on one or more beams of the one or more predictable beams. The configuration information of the CSI report configuration includes one or both of one or more beam identifiers (IDs) and one or more transmission configuration indication (TCI) states associated with the one or more predictable beams. The method also includes performing the one or more second measurements based on the CSI report configuration.

A wireless device may receive a report mask indicating channel state information (CSI) reporting, comprising a layer 1 reference signal received power (L1-RSRP) value, is limited to a discontinuous reception (DRX) on duration of a DRX cycle. The wireless device may based on the report mask, transmit at a first time a first CSI report, comprising a first L1-RSRP value, in response to a DRX timer, associated with the DRX on duration, running at a time interval before the first time. The wireless device may based on the report mask, skip at a second time a transmission of a second CSI report, comprising a second L1-RSRP value, in response to the DRX timer not running at the time interval before the second time.

To provide a high frequency module capable of achieving both of an improvement and a small size of an attenuation of an unwanted wave.SOLUTION: A high frequency module 1 comprises: a switch 6; a first filter 7; and a second filter 8. The switch 6 includes: a common terminal 6a; and select terminals 6b and 6c. In the select terminal 6b, a first communication path L1 is connected. In the select terminal 6c, a second communication path L2 is connected. The first filter 7 is provided to the first communication path L1, and includes a passing band containing a first communication band and a second communication band. The second filter 8 is provided to the second communication path L2, and includes a passing band containing a third communication band. In the third communication band, one part is overlapped with the first communication band, and is not overlapped with the second communication band. The switch 6 can be switched to a first connection and a second connection. In the first connection, the common terminal 6a and the select terminal 6b are connected. In the second connection, the common terminal 6a and the select terminal 6b are connected, and the common terminal 6a and the selection terminal 6c are connected.SELECTED DRAWING: Figure 1

This communication device includes a control circuit that forms a plurality of beams, and a communication circuit that transmits each of a plurality of broadcast frames in association with the respective beams. The communication circuit transmits the plurality of broadcast frames on the basis of a result of Listen Before Talk (LBT) carried out in the direction of the respective beams.

A spatial adaptive multi-user service modulation and demodulation method suitable for various channel environments is characterized in that an uplink channel is configured with multiple paths of general carriers and multiple paths of helicopter special carriers in a frequency division mode, and the general carriers support uplink adaptive information transmission of terminals of various types and sizes in an MF-TDMA (Multimedia Frequency-Time Division Multiple Access) system; the on-satellite demodulator obtains a modulation coding mode of a burst data segment by identifying mode word information in a physical layer frame header, and demodulates a corresponding mode; the carrier special for the helicopter uses a continuous carrier mode, and multi-rate channel error correction coding and decoding under rotor wing shielding are supported in a channel interleaving mode. Downlink transmission is carried out in a fixed time slot and free time slot time division mode, and downlink information transmission for universal multi-type terminals and helicopter terminals can be supported at the same time. Compared with a common spatial modulation and demodulation method, the modulation and demodulation scheme provided by the invention can support adaptive transmission of general services of multiple types of terminals and helicopter service information on both an uplink and a downlink by using one satellite-borne modem.

A device and system are described for joint communication and sensing. A sensing framework design is described within the next-generation cellular system framework and numerology, as is the use of positioning reference signals (PRS) for sensing with various extensions and adaptations. Velocity / direction-related measurements from a user equipment (UE) enable velocity estimation during localization / positioning. Details of sequence-based signal generation and initialization using a Gold sequence are also described.

Aspects of the present disclosure provide techniques for channel state information (CSI) reporting in multiple transmitter receiver point (mTRP) scenarios.

A base station may select at least one of one or more 2D beams for at least one first SSB of a plurality of SSBs or one or more 3D beams for at least one second SSB of the plurality of SSBs. A UE may identify a beam type of at least one of one or more 2D beams for at least one first SSB of a plurality of SSBs or one or more 3D beams for at least one second SSB of the plurality of SSBs. The base station may transmit, to the UE, at least one of the at least one first SSB via the one or more 2D beams or the at least one second SSB via the one or more 3D beams.