196 results about "Resource element" patented technology

A wireless device receives a SIB1 message indicating a first number of PDCCH monitoring occasions, for receiving a paging early indication (PEI), of a PEI occasion associated with a paging occasion, a second number of PDCCH MOs, for receiving a paging message, of the paging occasion, and a third number of SSBs. The wireless device skips monitoring, a first PDCCH for receiving the PEI, over the first number of PDCCH MOs, in response to each of the first number of PDCCH MOs, of the PEI occasion, overlapping with at least one resource element (RE) of a SSB of the third number of SSBs. The wireless device, in response to skipping monitoring the first PDCCH, monitors, over the second number of PDCCH MOs, a second PDCCH for a DCI scheduling the paging message.

Disclosed are methods, systems, and computer-readable medium to perform operations including: generating a mapping pattern that comprises a length-4 frequency division orthogonal cover code (FD-OCC4), the mapping pattern for mapping demodulation reference signals (DMRS) in frequency to a plurality of resource elements in at least one orthogonal frequency-division multiplexing (OFDM) symbol, wherein the DMRS are associated with a plurality of DMRS ports; mapping, using the FD-OCC4, the DMRS to the plurality of resource elements in the at least one OFDM symbol; and transmitting a transmission comprising the at least one OFDM symbol.

An apparatus for a wireless communication system is provided. The apparatus is to transmit a reference signal on a common set of resource elements (REs), the common set of resource elements being used by one or more further apparatuses in the wireless communication system, so that the reference signal of the apparatus and one or more further reference signals of the one or more further apparatuses use the same resource elements. Moreover, the apparatus is to transmit the reference signal depending on a base sequence or a sequence derived from the base sequence and depending on a set of configuration parameters.

Embodiments disclosed herein encompass methods, apparatus, and systems for interference management. First resource elements (REs) are configured to enable measurement of interference that affects communications between a first user equipment (UE) and a first network device in a wireless communication system. The first REs include REs that correspond to a subset of REs in a set of second REs, and the set of second REs includes all REs at a time position in a time-frequency grid that are muted for communications by a second UE. Interference mitigation based on the interference measurement may be applied to manage the interference. The interference may include cross-link interference between links in the same wireless communication system, or links in different wireless communication systems such as a terrestrial network and a non-terrestrial network.

In some implementations, a process implemented in a receiver device may include receiving a signal including one or more DMRS resource elements. The process may include synchronizing the received signal in the time domain, demodulating OFDM symbols of the signal, obtaining a first resource grid from the demodulated OFDM symbols, and performing multi-layer channel estimation utilizing the DMRS resource elements and the first resource grid to generate an estimate of a first channel matrix. Further, the process may include equalizing the first resource grid using the first channel matrix to obtain an equalized resource grid for each of a plurality of transmitted layers. In addition, the process may include de-interleaving, de-mapping, demodulation, and descrambling of the equalized resource grid for each of the plurality of transmitted layers to obtain LLR for a plurality of coded blocks, and channel decoding of the LLR to output a plurality of reassembled code-blocks.

First resource elements (REs) are configured for determination of different components of interference that affects communications between a first user equipment (UE) and a first network device in a wireless communication system. The first REs include REs that correspond to a subset of REs in a set of second REs, and the set of second REs includes all REs at a time position in a time-frequency grid that are muted for communications by a second UE. The first REs further include an RE that corresponds to an RE at a time position in the time-frequency grid, different from the time position of the REs that are muted. The interference may include cross-link interference between links in the same wireless communication system, or links in different wireless communication systems such as a terrestrial network and a non-terrestrial network.

Disclosed is a network device for a wireless integrated radar sensing and communication network, the network device comprising: a resource mapper configured for receiving a data resource allocation message and an enhanced sensing resource allocation message; wherein the resource mapper is configured for selecting a subset of resource elements for communication and coarse radar sensing from a time-frequency grid depending on the data resource allocation message; wherein the resource mapper is configured for selecting a subset of resource elements for enhanced radar sensing from the time-frequency grid depending on the enhanced sensing resource allocation message; wherein the resource mapper is configured in such way that the subset of resource elements for enhanced radar sensing is randomly distributed in the time-frequency grid.

This invention provides a method for determining resource element types. The method is applied to a non-access point device (NAPD) and includes: determining a recommended resource element type for the NAPD; sending a first indication to an access point device (APD), wherein the first indication indicates the recommended resource element type; and, if the APD accepts the recommended resource element type, determining the recommended resource element type as a resource element type for data transmission. This invention solves the problem in related technologies of determining the required resource element type for NAPD devices supporting RRUs and DRUs, thereby improving overall spectrum efficiency.

Described herein are systems, methods, and instrumentalities associated with wireless communications using single carrier waveforms. A wireless transmit / receive unit (WTRU) as described herein may receive configuration information that may indicate a control channel element (CCE) and a plurality of resource groups associated with the CCE. Each resource group may include a respective time resource element (TRE) and a respective frequency resource group (FRG), wherein each respective TRE may include a non-integer number of time units, and each respective FRG may include multiple frequency units. The WTRU may determine that the CCE may be associated with a downlink control channel transmission, and further determine allocation pattern information associated with the resource groups in a search space. The WTRU may receive the downlink control channel transmission based on the determined allocation pattern information and receive a downlink shared channel transmission based on information in the downlink control channel transmission.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a control message indicating a coding rate value corresponding to a downlink control information (DCI) format. The coding rate value may indicate a coding rate of the DCI format. The UE may receive a DCI message in a DCI format via a number of resource elements (REs) based on a payload size and a coding rate value, the DCI message including scheduling information associated with a data message, and the UE may receive the data message according to the scheduling information. In some examples, the UE may receive the DCI message via a physical downlink control channel (PDCCH) multiplexed with a physical downlink shared channel (PDSCH) carrying the data message.

Disclosed are techniques for wireless communication. In an aspect, a receiver device receives a positioning reference signal (PRS) resource comprising a plurality of resource elements of at least one physical resource block in at least one slot, the plurality of resource elements spanning a plurality of symbols of the at least one slot and a plurality of subcarriers of the at least one physical resource block, determines a phase noise estimate for each of the plurality of symbols based on a set of resource elements of the plurality of resource elements on a single subcarrier of the plurality of subcarriers, and compensates for phase noise across the plurality of symbols for remaining subcarriers of the plurality of subcarriers based on the phase noise estimate for each of the plurality of symbols.

There is disclosed a method of operating a radio node in a wireless communication network. The method include transmitting signalling based on mapping bits to resource elements before performing modulation of the bits, the bits representing information to be transmitted. The disclosure also pertains to related devices and methods.

In one embodiment, a method performed by a User Equipment (UE) comprises, for each of one or more Resource Blocks (RBs) allocated for a configured Phase Tracking Reference Signal (PT-RS) port, determining a PT-RS subcarrier offset for the PT-RS port from a table based on a Demodulation Reference Signal (DMRS) port associated to the PT-RS port, a DMRS configuration type, and a resource element offset parameter configured for the UE. The associated DMRS port is one of a plurality of DMRS ports. Each row of the table is associated with one DMRS port and defines different PT-RS subcarrier offsets for a PT-RS port associated to that DMRS port for different resource element offset parameter values for at least one DMRS configuration type. The method further comprises, for each of the allocated RBs, transmitting / receiving a PT-RS on the PT-RS port in the RB in accordance with the determined PT-RS subcarrier offset.

A transmission information determining method, a configuration information sending method, a terminal, and a device, are provided. The transmission information determining method includes: obtaining configuration information, where the configuration information is used for configuring an uplink muting pattern, and the uplink muting pattern is used for indicating resources on which transmission is not performed; and determining transmission information of an uplink channel based on a number of first Resource Elements (REs), where the number of the first REs is the number of REs that are associated with the uplink muting pattern and on which transmission is not performed, and the uplink channel includes: a Physical Uplink Shared CHannel (PUSCH).

The invention relates to receiver processing of demodulation reference signals based on two sets of control resources. A method for receiver processing of demodulation reference signals based on two sets of control resources of a serving cell is provided. The two sets of control resources include a common set of control resources and another set of control resources. The method is performed by a user equipment and comprises: determining a common reference point for two sets of control resources; determining the same scrambling identifier for the two sets of control resources; based on the common reference point, determining mappings from demodulation reference signal sequences of the two control resource sets to resource elements; performing receiver processing for a physical downlink control channel candidate according to a mapping of a demodulation reference signal sequence to a resource element; and receiving and decoding the physical downlink control channel according to the receiver processing. Also provided are a correspondingly configured user equipment, and a related method for a base station and a base station.

Methods, systems, and devices for wireless communications are described. In some examples, a wireless communication device (such as a network entity) may output a downlink control channel message using at least a first resource element (RE) of a first control resource set (CORESET) and using at least a second RE of a second CORESET. The first CORESET and the second CORESET may be linked and may be associated with different transmission configuration indicator (TCI) states. Additionally, each of the first RE and the second RE may be associated with a same payload of the downlink control channel message, and modulation of a first set of symbols mapped to the first RE may be linked to modulation of a second set of symbols mapped to the second RE based on the first CORESET and the second CORESET being linked.

According to embodiments, a base station apparatus can include a transceiver, a memory including instructions, and a processor. When executed by the processor, the instructions can cause the apparatus to determine overlapping resource elements in which a plurality of first resource elements configured for a first radio access technology (RAT) overlap a plurality of second resource elements configured for a second RAT. When executed by the processor, the instructions can cause the apparatus to determine at least one resource element of the overlapping resource elements. When executed by the processor, the instructions can cause the apparatus to allocate a second RAT related downlink signal to remaining resource elements of the plurality of second resource elements excluding the at least one resource element.

A modem chip that allocates a maximum number of decoding iterations per code block, an electronic device including the modem chip, and a method of operating the modem chip are provided. The method of operating the modem chip can include measuring a quality of a plurality of resource elements allocated for receiving a codeword, allocating a maximum number of decoding iterations per code block based on a result of the quality measurement and a resource element-to-code block (RE-CB) mapping pattern corresponding to a target slot, and decoding a plurality of first code blocks of the target slot based on the allocated maximum number of decoding iterations per code block.

A wireless device may modulate a first portion of data of a transport block associated with a joint communication and sensing (JCS) waveform according to a first modulation scheme of a set of modulation schemes for sensing. The wireless device may modulate a second portion of data of the transport block according to a second modulation scheme. The wireless device may map the modulated first portion of data to a first set of resource elements associated with sensing and may map the second portion of data to a second set of resource elements associated with data communications. The wireless device may transmit the transport block including the mapped first and second portions of data via the JCS waveform. In some cases, the wireless device may transmit the transport block according to one or more parameters of a configuration for the JCS waveform.

A method of operating an infrastructure equipment is provided, the infrastructure equipment forming part of a wireless communications network and configured to transmit signals to and / or to receive signals from a communications device via a radio interface between the communications device and the infrastructure equipment, the radio access interface comprising a plurality of resource elements arranged in time and frequency and each configured either for uplink transmission or downlink transmission, the method comprising: transmitting, to the communications device, configuration information of a set of uplink muting patterns, the configuration information indicating an association between a downlink reference signal (DL RS) and one or more uplink muting pattern of the set of uplink muting patterns, wherein each uplink muting pattern requires that one or more of allocated resource elements are to be muted and not used for transmitting the uplink transmission; receiving, from the communications device, an uplink transmission, to which an uplink muting pattern has been applied based on the configuration information. Methods, communications devices and infrastructure equipment are also provided.

Various aspects of the present disclosure generally relate to wireless communication. Some aspects more specifically relate to multiple input multiple output (MIMO) spinal code encoding schemes. In some aspects, a transmitter may encode a message in accordance with configuration information associated with a MIMO spinal code encoding scheme, resulting in a vector that includes multiple spinal symbols. The transmitter may further map the multiple spinal symbols to multiple transmit antennas, such as by distributing the multiple spinal symbols across multiple layers associated with the multiple transmit antennas and across one or more resource elements (REs) in accordance with the configuration information. The transmitter may transmit, using the multiple transmit antennas and the one or more REs, and a receiver may receive, using multiple receive antennas and the one or more REs, the multiple spinal symbols.

Disclosed is a method performed by a user equipment, the method comprising: receiving a downlink reference signal configuration from a network node, wherein the downlink reference signal configuration comprises a transmission pattern of a downlink reference signal in at least one of a frequency domain or a time domain, the transmission pattern comprising a first set of resource elements on which the network node intends to transmit the downlink reference signal, and a second set of resource elements on which the network node does not intend to transmit the downlink reference signal; monitoring the second set of resource elements for a downlink data channel associated with the downlink reference signal; and receiving, from the network node, the downlink data channel on the second set of resource elements based on the monitoring.

The invention discloses a preemption and perception cross spoofing attack detection method based on systematic residual check. The method comprises the following steps: acquiring a damaged signal subjected to a PSCS attack; performing discrete Fourier transform on the damaged signal to obtain a plurality of resource elements, and extracting a phase gradient and an amplitude deviation for each resource element; defining a non-attack state constraint function and an attack state constraint function by using the phase gradient and the amplitude deviation corresponding to each resource element, so as to express the construction of test statistics as a minimum and maximum optimization problem; a minimum and maximum optimization problem is converted into a semi-definite programming problem through a kernel tensor completion technology, and test statistics are obtained by solving the semi-definite programming problem; based on the test statistics, calculating a detection threshold according to a false alarm probability; and calculating the current test statistic of the to-be-detected signal in the current time slot, and if the current test statistic is greater than the detection threshold, judging that the PSCS attack exists, thereby realizing the effective seizing and sensing cross spoofing attack detection method.

Various aspects of the present disclosure relate to an apparatus, such as a transmitting user equipment (UE) (e.g., a target UE) that receives, from a base station, a sidelink (SL) positioning reference signal (PRS) configuration of multiple resource sets. The transmitting UE also receives, from an anchor UE, a SL-PRS resource in at least one of a UE-specific resource element offset or a frequency offset. The transmitting UE transmits, to the anchor UE, a determined candidate SL-PRS resource for PRS transmission within a resource set of the multiple resource sets.

Embodiments of the present disclosure relate to methods and apparatus for uplink transmission power control. A terminal device obtains ratio information for power adjustment of at least one uplink transmission occasion of two or more uplink transmission occasions, wherein the two or more uplink transmission occasions at least partially overlap in a time domain and the ratio information indicates an adjustment factor for bits per resource element of the at least one uplink transmission occasion of the two or more uplink transmission occasions. The terminal device determines a power adjustment component for the at least one uplink transmission occasion of the two or more uplink transmission occasions at least partially based on the ratio information. In this way, efficient power control for simultaneous uplink transmissions can be achieved, thereby improving energy efficiency.

Methods, systems, and devices for wireless communications are described. A first wireless device receives or transmits, from a second wireless device, first signaling indicating a size of a precoding resource block group and an offset parameter indicating an offset between the precoding resource block group and a codeblock. The first wireless device transmits or receives second signaling indicating a resource element starting parameter and a resource element ending parameter in at least one of a time domain and a frequency domain based at least in part on the size of the precoding resource block group. The first and second wireless devices communicate coded bit streams that are interleaved in accordance with at least one of the size of the precoding resource block group, the offset parameter, the resource element starting parameter, the resource element ending parameter, or any combination thereof.

Methods, systems, and apparatus for wireless communication are described. A user equipment (UE) may receive a first indication of a set of reference signal instances within a resource set. The UE may receive a second indication of a resource element format for the reference signal instances in the reference signal instance set, the resource element format including one or more empty resource elements and one or more reference signal resource elements. The UE may further receive a reference signal from a base station for estimating a carrier frequency offset (CFO) based on the first indication of the set of reference signal instances and the second indication of the resource element format for the reference signal instances. The UE may then communicate with the base station based on the received reference signal.

A terminal of one embodiment of the present disclosure includes a reception unit that receives any one of a secondary synchronization signal (SSS) and a channel state information-reference signal (CSI-RS), and a control unit that measures a layer 1-signal to interference plus noise ratio (L1-SINR) from the signal. The L1-SINR is obtained by dividing a linear average of power contributions of resource elements over which the signal is carried by a linear average of power contributions of noise and interference. The noise and the interference are total received power on a resource indicated by a higher level.

Methods and systems are described for accessing a network and differentiating a 5G network from a 6G network in a SSB. Methods can include searching for a SSB, detecting a valid PSS sequence, and decoding a SSS by matching a mapping of sequence elements of the SSS to resource elements of an OFDM time-frequency grid to a mapping of SSS sequence elements to resource elements of the OFDM time-frequency grid.

There is provided a method. The method comprises receiving, by a wireless device, a first physical downlink shared channel (PDSCH). One or more resource elements (REs), overlapping with resources of one or more on-demand synchronization signal (SS) physical broadcast channel (PBCH) blocks (SSBs) of a cell, are available or unavailable for receiving the first PDSCH, based on whether the one or more on-demand SSB are activated. The method further comprises transmitting a feedback corresponding to the first PDSCH.