4176 results about "Channel state information" patented technology

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.

Described herein are systems, methods and instrumentalities associated with a wireless communication network comprising a reconfigurable intelligent surface (RIS). A wireless transmit / receive unit (WTRU) in such a communication network may receive measurement configuration information that may indicate at least a first measurement resource and a second measurement resource. The first measurement resource may be associated with a first transmission path associated with a first subset of elements of the RIS, while the second measurement resource may be associated with a second transmission path independent of the RIS. The WTRU may perform measurements based on the measurement configuration information, and may transmit a report regarding at least one of the measurements to the network.

Methods and apparatus for leveraging transfer learning of one Wireless Transmit / Receive Unit (WTRU) to benefit another WTRU are provided. One method may include the WTRU receiving AI / ML model configuration information indicating one or more AI / ML models available from the network node, a profile associated with the AI / ML models, and a training convergence threshold. Based at least on the profile(s), the WTRU determining that the one or more AI / ML models are not suitable for use by the WTRU, and sending first information indicating that the one or more AI / ML models are not suitable for the WTRU and / or that the WTRU will be training a local AI / ML model. The method may then include training the local AI / ML model according to the convergence threshold, receiving a request to transfer AI / ML model parameters, and sending an indication of the AI / ML model parameters associated with the trained local AI / ML model to the network node.

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 invention relates to the technical field of unmanned aerial vehicle communication, and discloses a dynamic spectrum frequency hopping communication method and device for a target aircraft and a ground station, and the method comprises the steps: collecting state information; evaluating a signal quality indicator based on the power data; based on the total spectral range and the signal quality index, segmenting the total spectral range into N sub-bands to obtain a spectrum allocation result; based on the task priority and the communication quality index, carrying out main target machine election; each target machine sends an orthogonal detection sequence in a corresponding time slot to obtain channel state information; converting the channel state information into a frequency hopping key; generating a frequency hopping sequence based on the frequency hopping key; according to the invention, an adaptive frequency hopping technology based on a channel state is adopted, the channel quality is monitored in real time, and a dynamic frequency hopping sequence is generated, so that an interference frequency band is effectively avoided; through a time division multiplexing channel detection mechanism, signal overlapping is fundamentally avoided, and continuous and stable operation in a complex dynamic environment is ensured.

Some embodiments include systems, apparatuses, methods, and computer-readable media for use in a wireless network for determining a reception (Rx) beam sweep scale factor, N, that enables a user equipment (UE) to perform Rx beam refinement. Some embodiments are directed to a 5G Node B (gNB) that includes processor circuitry and radio front end circuitry. The processor circuitry can be configured to receive, using the radio front end circuitry, a MaxNumberRxB cam capability of the UE. The processor circuitry can determine based at least on the MaxNumberRxBeam capability of the UE and / or a Channel-State Information (CSI)-reference signal (RS) set with a repetition parameter configured to be ‘ON’, the value of N. The processor circuitry can generate a message comprising the value N, and encode the message for transmission to the UE, where N Rx beam sweeps enable the UE to perform Rx beam refinement.

Disclosed are a method and device for transmitting or receiving channel state information in a wireless communication system. A method performed by a terminal in a wireless communication system according to an embodiment disclosed herein may comprise the steps of: receiving one or more channel state information-reference signals (CSI-RSs) from a network; calculating one channel quality indicator (CQI) on the basis of a specific precoding matrix indicator (PMI) that is one of a plurality of PMIs respectively corresponding to a plurality of time units; and transmitting a CSI report, including the one CQI and codebook information corresponding to the plurality of PMIs, to the network, wherein the one CQI may be associated with the specific PMI and a specific time unit that is one of the plurality of time units.

The present disclosure describes mechanisms to configure user equipment (UEs) with a set of channel state information (CSI) and / or measurement configurations, and mechanisms to indicate codepoints that activate or trigger selected ones of the configured CSI / measurement configures that individual UEs are to use to report CSI and / or other measurements. The set of configurations can indicate how individual UEs are to compute CSI and / or measurement feedback reports. The set of configurations can include information about which subset of antenna ports from a set of antenna port configurations, and potential transmission power offsets between CSI reference signal (CSI-RS) and physical downlink shared channel (PDSCH). The signaling mechanisms can include radio resource control (RRC) for the CSI / measurement configurations and / or downlink control information (DCI) signaling for activation / triggering of the selected CSI / measurement configurations. The activation / triggering signaling can include a limited number of bits to indicate the codepoints.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed to reduction of signaling overhead in connection with processing of reference signals. In an embodiment, an apparatus may be configured to receive, from a network node, configuration information comprising channel state information (CSI) spatial prediction parameters; receive a first plurality of reference signals transmitted from a plurality of antenna ports of the network node; estimate, based on the plurality of the received reference signals, first CSI measurements; and determine, based on the first CSI measurements and the CSI spatial prediction parameters, a first subset of antenna ports among the plurality of antenna ports of the network node and one or more parameters associated with the first subset of antenna ports, wherein the first subset is less than the plurality of antenna ports.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, an indication of an uplink resource associated with reporting channel state information (CSI). The UE may transmit, to the network node and using the uplink resource, uplink control information (UCI) including a CSI report that indicates precoding matrix indicator (PMI) values, based at least in part on prioritizing groups of information associated with the CSI report, at least one group, of the groups, being associated with time domain basis index values and non-zero coefficients of a coefficient matrix of a codebook associated with the CSI report. Numerous other aspects are provided.

A WTRU may be configured to receive first configuration information associated with a channel state information reference signal (CSI-RS) resource set, a set of transmission configuration index (TCI) states, a set of probability thresholds, and / or a set of time durations. The WTRU may be configured to estimate a line of sight (LOS) probability of the WTRU based on one or more CSI-RS measurements. The WTRU may be configured to determine whether the estimated LOS probability is greater than or equal to a probability threshold from the set of probability thresholds. In response to determining that the estimated LOS probability is greater than or equal to the probability threshold, the WTRU may be configured to determine a time duration from the set of time durations based on the estimated LOS probability. The WTRU may be configured to predict a future TCI state applicable to an associated time instance.

Embodiments include methods for a user equipment (UE) configured to communicate with a radio access network (RAN) node comprising a central unit (CU) and a distributed unit (DU) via a serving cell. Such methods include receiving, from the CU via the DU, an RRCReconfiguration message that includes channel state information (CSI) resource configurations associated with at least one candidate cell for L1 / L2-based inter-cell mobility. The at least one candidate cell is provided by one or more neighbor DUs. Such methods include performing CSI measurements on the at least one candidate cell according to the respective CSI resource configurations and sending, to the DU via the serving cell, one or more CSI reports based on the CSI measurements performed. Other embodiments include complementary methods for a CU, a first DU, and a second DU, as well as UEs, CUs, and DUs configured to perform such methods.

An embodiment of aspect 1 provides an user device, UE, for a wireless communication system, wherein the UE or a its transceiver is configured toreceive from a network node, e.g., gNB, at leasta channel state information, CSI, report configuration via a higher layer, e.g., radio resource control, RRC, layer,a configuration or indication via a PHY-layer, e.g., physical downlink control channel, PDCCH, signalling, and / or a higher layer signalling,perform measurement(s) on said at least one CSI-RS resource,compute one or more parameters related to a channel state information, CSI, and / or DL transmission rate and / or reliability associated with at least one of the P subsets of a CSI-RS resource, andtransmit a report to the network node via the PHY-layer or a higher layer.

The deep joint source channel coding method comprises the following steps: a sending end obtains a first semantic feature of a first image, and performs constellation mapping modulation on the first semantic feature to obtain a first initial constellation point; the sending end extracts semantic information of the first initial constellation point, generates a rotation angle corresponding to the semantic information, and rotates the first initial constellation point according to the rotation angle to obtain a first rotation constellation point; the sending end generates a real part interleaving matrix and an imaginary part interleaving matrix based on the first rotating constellation point and the real part and the imaginary part of the channel state information, resorts the real part and the imaginary part of the symbol sequence respectively and then recombines the real part and the imaginary part into a complex signal to obtain a first interleaving signal; the sending end transmits the first interleaved signal to a receiving end through a fading channel, and the receiving end receives a second interleaved signal; the receiving end performs semantic reconstruction decoding on the second interleaved signal to obtain a second image; or, the receiving end performs semantic classification decoding on the second interlaced signal to obtain a second image category.

A wireless transmit / receive unit (WTRU) may perform channel state information (CSI) measurement(s) on a first set of reference signals (RSs) associated with a first set of transmission configuration indicator (TCI) states. The WTRU may determine CSI parameter(s) for a second set of RSs based on the CSI measurement(s) performed on the first set of RSs. The WTRU may receive a first indication to activate or deactivate a first TCI state in the first set of TCI states. The WTRU may activate or deactivate a second TCI state of the second set of TCI states based on the first indication to activate or deactivate the first TCI state of the first set of TCI states and / or the determined CSI parameter(s) for the second set of RSs. The WTRU may send a second indication that the second TCI state in the second set of TCI states has been activated or deactivated.

Aspects described herein relate to recycling transmit or receive antennas from one band to another and accordingly modifying certain operations, which may include channel state information (CSI) reporting, sounding reference signal (SRS) transmission, and / or the like.

The invention relates to the technical field of low earth orbit satellites, and discloses a method and equipment for improving the signal-to-noise ratio of a low earth orbit satellite signal, and the method comprises the steps: carrying out the multi-dimensional signal collection and processing of a received signal of a low earth orbit satellite downlink, and obtaining a signal tensor model; executing structured decomposition based on the signal tensor model to obtain a channel factor matrix group; performing multi-stage sequential processing according to the channel factor matrix group to obtain low-orbit satellite channel state information; inputting the low-orbit satellite channel state information into an interference identification module for feature extraction and interference type analysis to obtain an interference type and probability distribution thereof; performing multi-dimensional adaptive filtering on the received signal to obtain a target signal; and performing modulation coding and beam forming parameter joint optimization on the target signal and the low-earth-orbit satellite channel state information to obtain a low-earth-orbit satellite communication link, thereby solving the problem of large fluctuation of the signal-to-noise ratio in a satellite rapid moving scene, and realizing balance of power efficiency and anti-interference performance at the same time.

A method can include receiving, by a wireless device, configuration parameters, of an early channel state information (CSI) reporting procedure associated with a layer 1 / 2 triggered mobility (LTM) procedure. The configuration parameters can include a first threshold for a candidate cell selection; a second threshold for a serving cell; and a timer for triggering the early CSI reporting procedure. The method can also include triggering the early CSI reporting procedure in response to an expiry of the timer; a first layer 1 reference signal received power (L1-RSRP) value of a candidate cell being higher than the first threshold; and a second L1-RSRP value of the serving cell being lower than the second threshold. The method can additionally include transmitting, based on the triggering, a CSI report indicating the candidate cell for the LTM procedure.

Apparatuses and methods for channel state information (CSI) processing for CSI reporting. A method performed by a UE includes receiving a configuration about a CSI report. The configuration includes information about a parameter codebookType set to ‘typeI-MultiPanel-r19’ or ‘typeII-Doppler-r19’. The method further includes based on the configuration, processing the CSI report and determining the CSI report. Processing of the CSI report occupies OCPU CSI processing units (CPUs) for a number of orthogonal frequency division multiplexing (OFDM) symbols. The method further includes transmitting the CSI report.

A method performed by a user equipment (UE) in a wireless communication system comprises receiving configuration information related to Channel State Information (CSI), receiving at least one DownLink-Reference Signal (DL RS), computing the CSI based on a measurement for the at least one DL RS, and reporting the CSI. The CSI includes resource indicators related to each group of one or more groups. The resource indicators are related to simultaneous transmission based on spatial filters by the UE.

Devices and methods for providing channel state information reporting for multi-transmission-reception-point coherent joint transmission in a wireless communication system. Channel state information configuration information is provided by a base station to a wireless device. The channel state information configuration information indicates one or more restrictions for the UE in reporting a precoding matrix indicator (PMI) for each of multiple transmission reception points. The wireless device provides a PMI to the base station based on the channel state information configuration information.

Aspects of the present disclosure provide techniques for communicating channel state information (CSI) reports. In some aspects, downlink resources can be monitored for reception of downlink signaling, a CSI report can be generated based on the reception of the downlink signaling, where the CSI report indicates CSI for each of multiple sub-bands of the downlink resources, and the CSI report can be transmitted with hybrid automatic repeat request (HARQ) acknowledgement or negative acknowledgement (ACK / NACK) feedback associated with the downlink signaling to facilitate retransmission with improved block error rate (BLER). In some aspects, a base station receiving the CSI report, or otherwise based on uplink signals, can determine transmission parameters for retransmission to facilitate the improved BLER.

Apparatuses, methods, and systems are disclosed for channel state information reporting. One method includes receiving channel state information report configuration information. The channel state information report configuration information includes: information indicating one or more channel state information-reference signal resource configurations associated with at least one non-zero power channel state information reference signal resource set for channel measurement; and information indicating that the channel state information report configuration corresponding to multiple points is used. The multiple points are associated with a primary group of points or a secondary group of points. The method includes performing channel measurements using the at least one non-zero power channel state information reference signal resource set. The method includes generating a set of channel state information reports based on the channel state information report configuration information.

The invention discloses a multi-path cooperative communication method, belongs to the technical field of wireless communication, and is used for solving the problems of inaccurate path selection, unreasonable power distribution and inaccurate signal combination caused by dynamic change of a channel state in multi-path communication. The method comprises the following steps: acquiring channel state information of at least three communication paths in real time through a transmitting end, wherein the channel state information comprises signal strength, frequency offset and noise power spectral density; dynamically dividing and distributing the data stream to each path based on the path quality factor, and adjusting the transmitting power by combining the signal strength and the noise difference value; a receiving end carries out time domain alignment by adopting a sliding window cross-correlation algorithm, and carries out phase compensation based on a minimum mean square error criterion; path reallocation is triggered when the continuous bit error rate exceeds a threshold. According to the method, the multi-path resource utilization rate can be optimized, and the communication stability and the data transmission efficiency are improved.

A method, system and apparatus are disclosed. A network node is provided which is configured to transmit a first signaling to the WD, the first signaling including a first channel state information reference signal, CSI-RS, measurement configuration, the first CSI-RS measurement configuration indicating a first plurality of ports to measure, transmit of a second signaling to the WD, the second signaling including a CSI-RS port muting pattern indication muting at least one muted port of the first plurality of ports and enabling the WD to utilize a modified CSI-RS measurement configuration for feedback reporting, and, receive, from the WD, at least one CSI-RS measurement report for at least one CSI-RS measurement on at least one port of the plurality of ports using the modified CSI-RS measurement configuration and omitting measurements on the at least one muted port.

The invention relates to the technical field of wireless communication, and discloses a compensation method for electronic radio frequency communication. According to the compensation method for the electronic radio frequency communication, the radio frequency signal and the channel state information are acquired, the original data set is generated, and the preprocessing steps of denoising, signal amplitude correction, phase correction and the like are performed, so that the data quality is improved, accurate parameter evaluation is performed by adopting the minimum mean square error, the accuracy of channel characteristic parameters is ensured, and the communication quality is improved. A mathematical model constructed based on the parameters enables calculation of compensation parameter gain and phase deviation to be more accurate, so that attenuation and distortion caused by signal propagation in a channel are effectively compensated, and finally, quality evaluation is carried out on the bit error rate and the signal-to-noise ratio of the compensated signal, so that the compensation effectiveness is ensured, and the signal quality is improved. And if the compensation is invalid, the calculation can be returned in real time for recalculation, so that the quality of the whole signal is improved.

Apparatuses, methods, and systems are disclosed for channel state information reporting for multiple transmit / receive points. One apparatus includes a transceiver that receives an indication from a mobile wireless communication net-work that channel state information (“CSI”) corresponding to multiple transmit / receives points (“TRPs”) is to be reported and a processor that generates at least one CSI report according to the CSI reporting configuration, the at least one CSI report comprising a CSI-reference signal (“CSI-RS”) resource indicator (“CRI”), wherein the transceiver reports the at least one CSI report comprising the CRI to the mobile wireless communication network.

The invention discloses a 5G base station optical storage integrated power supply control system, and relates to the field of 5G base station optical storage integrated power supply control, and the system comprises a detection module which detects the output voltage of a photovoltaic array, the SOC of an energy storage battery and the impedance parameter of a DC bus, and obtains a detection result; and the 5G wireless sensing module monitors reference signal receiving power and channel state information by initializing a 5GNR physical layer chip based on a detection result, transmits the reference signal receiving power to the micro-control unit through an SPI interface, and reads the maximum power point voltage and current of the photovoltaic module to obtain a time sequence and a photovoltaic array. According to the method, the Lyapunov exponent is solved through phase-space reconstruction and the Wolf algorithm, the chaos state flag bit and the load impedance are generated, the parameters of the LLC resonant converter are dynamically matched, the nonlinear dynamics theory is applied to the field of power supply control, the working modes can be adaptively switched through intelligent recognition and utilization of chaos features, and the power supply efficiency is improved. And optimal scheduling of energy is realized while the ZVS state is ensured.

A terminal according to one aspect of the present disclosure includes a control section that, if scheduling offset between reception of a downlink control channel for communication of downlink control information for scheduling an aperiodic channel state information-reference signal (A-CSI-RS) and reception of the A-CSI-RS is less than a threshold determined on the basis of a reported period value for beam switch, and there is a different downlink signal in the same symbol as the A-CSI-RS, and the A-CSI-RS and the different downlink signal are related to the same control resource set (CORESET) pool index, gives priority to quasi-co-location (QCL) for the different downlink signal; and a receiving section that receives the A-CSI-RS. According to one aspect of the present disclosure, collision between a plurality of channels / signals can be handled appropriately.

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.