Abstract: A low-density parity-check encoder is provided that encodes a plurality of information bits according to a low-density parity-check matrix. The encoder generates auxiliary bits from the information bits, and the transmitter punctures the auxiliary bits while transmitting the information bits, thereby preserving a shape of the information bits.

Abstract: Methods, systems, and devices for signaling aspects of distance estimation for line of sight (LOS) multiple input multiple output (MIMO) communications are described. In some examples, a wireless device may receive an indication of resources of a configuration for the wireless device to use to determine a distance between a first antenna array of the wireless device and a second antenna array of a network node. In some examples, the wireless device may receive signals according to the indicated resources of the configuration. In such examples, the wireless device may transmit, to the network node, an indication of the distance that is based at least in part on the signals received according to the configuration. In some examples, the wireless device may transmit signals according to the indicated resources of the configuration. In such examples, the wireless device may receive, from the network node, an indication of the distance.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may modulate a first set of bits into a first modulation symbol, selected from a first set of modulation points. The transmitter device may modulate a second set of bits into a second modulation symbol, selected from a second set of modulation points, where the first set of modulation points are a subset of the second set of modulation points. The transmitter device may transmit the first modulation symbol and the second modulation symbol to a receiver device. Numerous other aspects are described.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support power allocation or resource allocation for non-orthogonal multiple access (NOMA). In a first aspect, a method of wireless communication includes a user equipment (UE) randomly selecting a parameter value associated with a power level of multiple power target levels, and transmitting, to a network entity and using the power level, an uplink communication. In a second aspect, a method of wireless communication includes a UE receiving, from a network entity, an indicator that indicates multiple resource candidates, each resource candidate of the multiple resource candidates overlaps with at least one other resource candidate of the multiple resource candidates, and transmitting, to the network entity and using a resource candidate of the multiple resource candidates, an uplink communication. Other aspects and features are also claimed and described.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for sounding reference signal (SRS) management for a line-of-sight multiple-input multiple-output (LSM) mode. A receiving device may receive a configuration of a persistent or semi-persistent SRS resource set that configures a first number of SRS ports for a full spatial sounding mode. The receiving device may transmit a SRS on a partial sounding resource subset of the SRS resource set, the partial sounding resource subset corresponding to a partial sounding LSM mode. A transmitting device such as a base station may performing phase ramp interpolation for the partial sounding LSM mode to estimate a LSM channel between the base station and the first receiving device.

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for multiple-input multiple-output (MIMO) communications One aspect provides a method for wireless communication. The method includes receiving a signal using a multiple-input multiple-output (MIMO) receiver, wherein the signal includes at least a first code block (CB) including a first part received via a first layer of the MIMO receiver and a second part received via a second layer of the MIMO receiver, wherein the second part of the first CB is shifted within a spectrum by at least two resource positions with respect to the first part of the first CB; performing interference cancellation for the first CB; and decoding the first CB after performing the interference cancellation.

Abstract: Methods, systems, and devices for wireless communications are described that provide low density parity check (LDPC) coding techniques using a generated base graph that is generated from an initial base graph. The generated base graph may combine multiple punctured nodes of the initial base graph into a multiple degree node that merges element values of a first node and a second node of the initial base graph matrix, where the first node and the second node are punctured. The generated base graph may combine multiple punctured nodes of the initial base graph into a single node, and add a node to match a rate and code block size associated with the initial base graph.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may generate an encoding matrix including a set of information columns including systematic bits, a first set of core parity columns including a first set of parity bits, and one or more sets of extension parity columns including a second set of parity bits. The UE may puncture one or more of the systematic bits with the first set of parity bits, the second set of parity bits, or a combination thereof, based on an offset value indicating an initial column of the encoding matrix. The UE may encode an initial message in accordance with the encoding matrix based on the offset indicating the initial column of the encoding matrix.

Abstract: The present invention relates to novel phthalocyanines compounds and the use thereof to treat diseases, and more particularly, to treat diseases that include bacterial infections, cancer, cardiovascular, high blood pressure, viral infections and the like. The compounds have a general formula (I) wherein M is metal selected from the group consisting of zinc, cobalt, copper and nickel; R1-R4 is selected from the group consisting of 4-(5-chloro-1H-benzo[d]imidazole-2-yl)phenoxy tetraiodide; 4-(4-bromo-6-fluoro-1H-benzo[d]imidazole)phenoxy tetraiodide; 4-(4,6-dichloro-1H-benzo[d]imidazole-2-yl)phenoxy tetraiodide; 4-(5-bromo-1H-benzo[d]imidazole-2-yl)phenoxy tetraiodide; 4-(5,6-dichloro-1H-benzo[d]imidazole-2-yl)phenoxy tetraiodide; 4-(6-bromo-4-chloro-1H-benzo[d]imidazole-2-yl)phenoxy tetraiodide, and combinations thereof.

Abstract: Methods, systems, and devices for line of sight (LOS) multiple input multiple output (MIMO) signaling aspects for wireless communication. A wireless device may transmit, to a network device, a capability message indicating that the wireless device supports a LOS mode. The wireless device may receive, from the network device in response to the capability message, a control message indicating activation of the LOS mode and at least one LOS mode parameter based at least in part on a channel measurement associated with a wireless channel between the wireless device and the network device indicating that the wireless channel satisfies a LOS path criterion. The wireless device may communicate a message with the network device in accordance with the LOS mode parameter.

Abstract: Methods, systems, and devices for wireless communications are described. A transmitting wireless device may perform probabilistic amplitude shaping (PAS) on one or more portions of a message such that one or more symbols of the transmission may be associated with one or more non-uniform amplitude distributions, while also using uniformly distributed constellation symbols for the remaining portions of the same message. For example, the transmitting wireless device may obtain one or more subsets of bits associated with a uniform information bit distribution. The wireless device may perform one or more shaping operations on one or more of the subsets in accordance with PAS while refraining from performing the shaping operation on one or more subsets. The wireless device may map the subsets of bits to symbols of a transmission, and may transmit the symbol sequence to a receiving wireless device.

Abstract: 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.

Abstract: An apparatus (e.g., a transmitter) may transmit a message and one or more retransmissions of the message in a wireless communication network. The message may include a codeword that includes information bits and error correction bits (e.g., parity bits). The one or more retransmissions may include error correction bits associated with the information bits. To improve the decoding performance at a receiver, the transmitter may apply probabilistic shaping to the one or more retransmissions. In some aspects, the apparatus transmits a first message including information bits and a first set of error correction bits associated with the information bits. The apparatus transmits at least a second message associated with the first message, wherein the second message includes a second set of error correction bits associated with the information bits and a set of probabilistic shaping bits for the second set of error correction bits.

Abstract: Methods, systems, and devices for signaling aspects of misalignment estimation and compensation for line of sight (LOS) multiple input multiple output (MIMO) communications are described. In some examples, a user equipment (UE) may receive control signaling identifying a configuration for an alignment procedure for an antenna array of the UE that includes a plurality of antenna elements. In some examples, the UE may identify a misalignment factor for the antenna array according to the identified configuration. The UE may communicate with the network entity using the antenna array based at least in part on performing a compensation procedure for the antenna array of the UE based at least in part on the misalignment factor.

Abstract: A wireless node may one or more memories, individually or in combination, having instructions. A wireless node may one or more processors, individually or in combination, configured to execute the instructions and cause the apparatus to: generate encoded data by using at least one of a first block of u-domain bits comprising a first u-domain bit being a frozen bit and further being indicative of a phase associated with transmission of the first block via the encoded data; and output the encoded data for transmission.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment may transmit a request for a downlink control parameter associated with a control channel. The downlink control parameter may indicate one or more of: a precoder cycling or a demodulation reference signal bundling. The UE may receive, based at least in part on the request, a downlink control message in accordance with the downlink control parameter.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit capability information that includes an indication of a capability for performing an additional-resource-element channel estimation. The UE may receive a communication that includes a demodulation reference signal (DMRS), wherein the communication is transmitted via a plurality of resource elements, and wherein the additional-resource-element channel estimation is performed utilizing a group of resource elements, of the plurality of resource elements, via which the DMRS is transmitted and a group of additional resource elements, of the plurality of resource elements, via which the communication is transmitted. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may obtain a message vector. The wireless communication device may generate a set of message sub-vectors using the message vector. The wireless communication device may generate, using a common input linear layer, a set of message embedding vectors corresponding to the set of message sub-vectors. The wireless communication device may generate, using an artificial neural network, a set of codeword embedding vectors corresponding to the set of message embedding vectors. The wireless communication device may generate, using a common output linear layer and the set of codeword embedding vectors, a set of codeword sub-vectors permutation-equivariant relative to the set of message sub-vectors. The wireless communication device may combine the set of codeword sub-vectors to generate a codeword vector and may transmit a communication carrying the codeword vector.

Abstract: Methods, systems, and devices for wireless communications are described. A wireless communications system may implement unitary rotations of constellations to introduce frequency diversity for signaling, such as control signaling, in accordance with a coupling matrix or a rotation angle. The digital signal may be decoded to obtain the original data. As such, frequency diversity may be introduced to signals by performing one or more unitary rotations and transmitted rotated versions of the signal, which may increase frequency diversity and robustness at the wireless communications system. In some examples, a user equipment (UE) may receive a configuration to indicate a rotation to be applied to one or more resources, and the configuration may include the rotation matrix or the angle of rotation. The UE may monitor the one or more resources and receive a message having the rotation applied in accordance with the configuration, which may improve the reliability of communications.

Abstract: A low-density parity-check encoder is provided that encodes a plurality of information bits according to a low-density parity-check matrix. The encoder generates auxiliary bits from the information bits, and the transmitter punctures the auxiliary bits while transmitting the information bits, thereby preserving a shape of the information bits.