Abstract: A circuit is provided with a selectively diode-connected head switch transistor. During a light-sleep mode, the head switch transistor is diode connected so that a power supply voltage passing through the diode-connected head switch transistor is reduced by a transistor threshold voltage drop. During an active mode, the diode connection is opened so that the head switch transistor passes a power supply voltage with virtually no voltage drop.

Abstract: An equalizing circuit has a first current summer and a first sampler. The first current summer may be configured to sum currents representative of a data signal and a first plurality of feedback signals when enabled by a first control signal. The first current summer may be enabled when the first control signal is in a first signaling state and disabled when the control signal is in a first signaling state. The first sampler may be configured to sample an output of the first current summer in accordance with timing provided by a first sampling clock signal. The first control signal may be in the first signaling state for a duration that is longer than a unit interval that defines the interval in which a bit of data is encoded in the data signal.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive a medium access control (MAC) control element (MAC CE) indicating a MAC CE configuration associated with a sounding reference signal (SRS) resource. The mobile station may receive downlink control information (DCI) indicating a DCI configuration associated with the SRS resource. The mobile station may selectively transmit SRS information associated with the SRS resource based at least in part on a time of receipt of the MAC CE. Numerous other aspects are provided.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE). In one example embodiment, a method for wireless communication includes receiving, from a network entity, an indication of a first Low Density Parity Check (LDPC) graph to be applied for data transmissions to or from the network entity; and processing data transmissions to or from the network entity in accordance with the first LDPC graph.

Abstract: An apparatus, including: an input node to receive a signal at a pre-defined voltage; an output node; and a plurality of thin-oxide Metal Oxide-Semiconductor Field Effect Transistors (MOSFETs) coupled to the input node and to the output node, the plurality of thin-oxide MOSFETs configured to form a regenerative feedback loop to reduce the signal at the pre-defined voltage to a lower level voltage, wherein the signal at the lower level voltage is outputted through the output node.

Abstract: Methods, systems, and devices are described for wireless communications that support transmitting channel state information (CSI) feedback utilizing flexible uplink control resources. A method may include determining a size of a frequency subband corresponding to components of a CSI feedback report based on configuration signaling or a size of allocated uplink control resources. A method may include encoding a CSI report into a single packet and transmitting the single packet over uplink control resources. A method may include encoding a first plurality of components of a CSI report in a first packet, encoding a second plurality of components of the CSI report in a second packet, and mapping the packets to uplink control resources. A method may include transmitting a first plurality of components of a CSI report on a first slot and a second plurality of components of the CSI report on one or more subsequent slots.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a plurality of downlink control information (DCI) communications, associated with a first component carrier and a second component carrier, that indicate a plurality of respective transmission configuration indicator (TCI) states, wherein the first component carrier and the second component carrier are included in a same component carrier list. The UE may transmit a plurality of acknowledgement (ACK) messages via a plurality of respective physical uplink control channel (PUCCH) transmissions that are included in a single PUCCH or in overlapping PUCCHs. The UE may apply a TCI update to at least one of the first component carrier or the second component carrier based at least in part on a TCI state of the plurality of TCI states and in accordance with one or more rules. Numerous other aspects are described.

Abstract: Wireless communications systems and methods related to an efficient arithmetic coding based multiple composition distribution matcher (MCDM) are provided. A wireless communication device selects, based on a first value representing a sequence of bits, a first composition from a plurality of compositions. Each composition of the plurality of compositions includes a different modulation symbol distribution associated with a modulation scheme. The wireless communication device encodes, based on the first composition, the sequence of bits into a sequence of symbols using arithmetic coding. The wireless communication device transmits a communication signal including the sequence of symbols.

Abstract: Systems and techniques are provided for wireless communications. For example, a first network node (e.g., a user equipment (UE) or other network node) may receive a reference signal and cause uplink information to be transmitted to a second network node (e.g., a base station, such as a gNodeB (gNB)). The uplink information is indicative of first measurement information associated with the reference signal and feedback information associated with a transmission.

Abstract: A serial read write memory is provided in which a write driver logic circuit controls a write driver to drive the bit lines in a selected column responsive to a binary value of a data in signal during a write operation in which a write mask signal is not asserted. Should the write mask signal be asserted, the write driver logic circuit controls the write driver to charge the bit line in the selected column and then to float the bit lines regardless of the binary value of the data in signal during a write operation.

Abstract: Systems and techniques are provided for wireless communications. A process can include receiving a configured shared demodulation reference signal (DMRS) and determining, based on the configured shared DMRS, blind channel estimation information. The process can include receiving, based on the blind channel estimation information, control information indicative of a scheduled downlink data transmission. The process can include receiving, based on the blind channel estimation information, the scheduled downlink data transmission, wherein the scheduled downlink data transmission is received based on the control information and using the blind channel estimation information corresponding to the configured shared DMRS.

Abstract: Methods, systems, and devices for power backoff techniques for modulation schemes are described. A user equipment (UE) may receive an indication of a constellation distribution parameter and a modulation scheme to be used by the UE for an uplink message on an uplink channel. The UE may determine an uplink transmission power based at least in part on the indicated constellation distribution parameter and the indicated modulation scheme. The UE may transmit the uplink message using the indicated modulation scheme according to the determined uplink transmission power. In some examples, the UE may transmit a report indicating a power headroom parameter and an output power parameter based at least in part on the constellation distribution parameter.

Abstract: Methods, systems, and devices for wireless communications are described. A communication device, which may be a user equipment (UE), may receive a message including an indication of a set of demodulation reference signal (DMRS) candidates for a data channel. The data channel may be a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH) in some examples. The UE may determine a set of parameters associated with the set of DMRS candidates based on the received message. The set of parameters may correspond to a radio frequency spectrum subband or a radio frequency spectrum band associated with the data channel. The UE may estimate one or more characteristics of the data channel using the set of parameters associated with the set of DMRS candidates to perform wireless communication (e.g., PDSCH reception, PUSCH transmission).

Abstract: Aspects of the disclosure relate to formula-based inter-circle precoding weight determination for orbital angular momentum (OAM) communication systems. Some aspects of the disclosure relate to apparatuses and methods for wireless communication, an apparatus comprising: a processor, antenna elements, comprising a first subset and a second subset of antenna elements; and a memory coupled to the processor, the memory storing instructions that, when executed by the processor, cause the processor to: transmit, via the first subset of antenna elements, a first reference signal using a first OAM mode; transmit, via the second subset of antenna elements, a second reference signal using the first OAM mode; and receive information indicative of a subset of antenna elements of the plurality of antenna elements to use to transmit the first OAM mode. Other aspects, embodiments, and features are also claimed and described.

Abstract: Systems and techniques are provided for wireless communication. A process can include determining an updated bandwidth corresponding to a scheduled physical downlink shared channel (PDSCH) transmission, wherein the scheduled PDSCH transmission is associated with a physical downlink control channel (PDCCH) transmission. The PDSCH transmission and the PDCCH transmission can be associated with a shared configured DMRS. The process can include receiving, based on the shared configured DMRS, the scheduled PDSCH transmission using the updated bandwidth.

Abstract: An apparatus may be configured to communicate at least one pilot signal with another apparatus according to a first configuration, at least one of a lower frequency density or a higher time density being indicated by the first configuration than a second configuration for a type of pilot signal that includes the at least one pilot signal. The apparatus may be further configured to communicate with the other apparatus based on the at least one pilot signal. Another apparatus may be configured to receive, from a base station, spatial relationship information or transmission configuration indicator (TCI) state information corresponding to a directional beam at the UE for communication on a channel. The apparatus may be further configured to apply the directional beam for communication with the base station on another channel in a sub-6 gigahertz (GHz) frequency band.

Abstract: A phase interpolator includes a plurality of source-coupled transistor pairs and a plurality of current sources. The plurality of source-coupled transistor pairs may be configured to receive different phase shifted versions of an input signal. A differential output of each source-coupled transistor pair may be coupled to a differential output of the phase interpolator. Each current source in the plurality of current sources may be configured to supply a portion of a tail current to one or more source-coupled transistor pairs in the plurality of source-coupled transistor pairs at a level defined by a codeword. Step changes in amplitude of the tail current may occur in response to incremental changes in the codeword. The step changes in amplitude may vary with the amplitude of the tail current.

Abstract: Methods, systems, and devices for unsourced random access via channel clustering in orthogonal time frequency space domain are described. Multiple user equipments (UEs) may transmit encoded message segments according to randomly selected coding sequences from a codebook. UEs may transmit the message segments over a series of slots. A network entity may identify the coding sequences for each message segment and assign each message segment to a respective delay Doppler domain cluster based on message segments having a same or similar time delay and Doppler shift. The network entity may then identify each message by combining the messages segments of each delay Doppler domain cluster and decoding the message.

Abstract: Techniques are provided for implementing time reversed reference signals for radio frequency (RF) sensing operations in a communication system. An example method for generating channel reciprocity information for radio frequency sensing operations includes receiving radio frequency sensing information from a sensing node, generating a channel reciprocity prediction based at least in part on the radio frequency sensing information and a channel reciprocity prediction model, and providing an indication for time reversal precoding to the sensing node based on the channel reciprocity prediction.

Abstract: Aspects of the disclosure relate to providing, from a non-access stratum (NAS) layer to an access stratum (AS) layer associated with a user equipment (UE) while the UE is in a radio resource control (RRC) inactive state, a NAS message to be transmitted to a mobility management entity via a base station; providing, from the NAS layer, a request to resume an RRC connection; and transmitting the NAS message to the base station while the UE is in the RRC inactive state. Other aspects, embodiments, and features are also claimed and described.