Abstract: Certain aspects of the present disclosure provide techniques for envelope tracking schemes for a node in a wireless communication network. One aspect provides a method for wireless communication by a transmitter device. The method generally includes: combining envelopes associated with subbands of an input signal to be amplified for transmission based on a combination function; amplifying, via an amplifier, the input signal to generate a transmission signal, the input signal being amplified based on a combined envelope signal, representing the combination of the envelopes, received at a supply input of the amplifier; and transmitting the transmission signal to a receiver device.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may transmit, to a receiver device, an initial message associated with a communication using a first code rate. The transmitter device may receive, from the receiver device, first feedback information indicating that the communication was not successfully decoded by the receiver device. The transmitter device may transmit, to the receiver device based at least in part on the reception of the first feedback information, one or more retransmissions associated with the communication including a first retransmission, wherein the first retransmission includes a first number of bits to lower an effective code rate of the communication to a second code rate. The transmitter device may receive, from the receiver device, second feedback information indicating that the communication was successfully decoded by the receiver device. Numerous other aspects are described.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for early termination of decoding attempts, including decoding attempts associated with physical downlink control channel (PDCCH) candidates that are encoded using a rateless code. In some aspects, a transmitting device may encode a message using a rateless code associated with a cumulative encoding of various portions of the message, and using a device identifier or group identifier as an input to the encoding. Similarly, a receiving device may receive an encoded signal over candidate resources and may attempt to decode the signal in accordance with the rateless code and using a device identifier or a group identifier as an input to the decoding. As such, intended or non-intended receiving device may be able to evaluate whether to proceed with a decoding attempt or to terminate a decoding attempt at a relatively early stage.

Abstract: Aspects described herein relate to receiving, in a component carrier (CC) configured for a first radio access technology (RAT), a wake-up signal indicating whether to activate communications for each of multiple RATs including a second RAT, and activating, based on the wake-up signal, communications in the first RAT or the second RAT. Other aspects relate to generating and/or transmitting the wake-up signal related to multiple RATs.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an UE may receive an indication of a configuration for receiving reference signals (RSs) and for transmitting a digital pre-distortion (DPD) measurement. The UE may receive the RSs from a network node. The UE may transmit a first signal that indicates the DPD measurement as observed via the RSs at the first UE, the first signal configured for coherent combination over the air with a second signal that indicates a DPD measurement as observed via the RSs at a second UE, the first signal and the second signal scheduled for transmission via overlapping network resources. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an apparatus may receive a wake-up signal (WUS) indicating that the user equipment (UE) is to perform a wake-up from a sleep mode. The apparatus may determine a set of parameters for a reference sequence to be used in association with performing a synchronization after the wake-up. The apparatus may receive the reference sequence based at least in part on the set of parameters. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration of a sleep mode, the configuration indicating a coding scheme used for a wake-up signal (WUS). The UE may receive a WUS message, the WUS message being encoded with product coding, wherein a coding stage of the product coding comprises locally-decodable coding. The UE may receive a communication based at least in part on the WUS message. Numerous other aspects are described.

Abstract: A user equipment (UE) may transmit, to a network node, an indication of support for a decoder success prediction capability. The network node may obtain the indication of support by the UE for the decoder success prediction probability. The network node may output a transmission for the UE including one or more parameters based on the indication of support by the UE for the decoder success prediction capability. The UE may receive the transmission including one or more code blocks based on the indication of support for the decoder success prediction capability. The network node may optimize a multiple incremental redundancy scheme (MIRS) schedule for at least one of transmitting the transmission or retransmitting the transmission based on the indication of support by the UE for the decoder success prediction capability. The transmission may include the MIRS schedule.

Abstract: A user equipment (UE) may transmit, to a network node, an indication of support for a decoder success prediction capability. The network node may obtain the indication of support by the UE for the decoder success prediction probability. The network node may output a transmission for the UE including one or more parameters based on the indication of support by the UE for the decoder success prediction capability. The UE may receive the transmission including one or more code blocks based on the indication of support for the decoder success prediction capability. The network node may optimize a multiple incremental redundancy scheme (MIRS) schedule for at least one of transmitting the transmission or retransmitting the transmission based on the indication of support by the UE for the decoder success prediction capability. The transmission may include the MIRS schedule.

Abstract: A network node may identify a single first packet size associated with a plurality of packets. The network node may transmit the plurality of packets to a UE based on a MIRS. Each packet in the plurality of packets may be associated with the single first packet size. The UE may decode the plurality of packets based on the MIRS. Each packet in the plurality of packets may include a first number of systematic bits and a second number of parity bits. The first number of systematic bits may be associated with a first cyclic buffer at the network node. The second number of parity bits may be associated with a second cyclic buffer at the network node.

Abstract: Certain aspects of the present disclosure provide a technique for wireless communications by a user equipment (UE). The UE implements the technique to detect that a decoding failure of a first multiple input multiple output (MIMO) transmission, sent by a network entity on a first number of layers, is caused by a rank mismatch. The UE then sends a rank correction request to a network entity. The UE then combines samples from the first MIMO transmission and a second MIMO transmission, sent by the network entity using a space-time code (STC) with a second number of layers in response to the rank correction request, to recover data lost due to the decoding failure.

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may identify a set of data resource elements for transmitting data in one or more symbols periods. The first wireless device may generate, for the one or more symbol periods based on the set of data resource elements, a sequence of a set of pilot resource elements associated with the set of data resource elements, the sequence of the set of pilot resource elements including a phase tracking reference signal. The first wireless device may transmit, to a second wireless device in the one or more symbol periods, the set of data resource elements and the set of pilot resource elements. The second wireless device may decode a first subset of the set of pilot resource elements based on a second subset of the set of pilot resource elements to determine the phase tracking reference signal.

Abstract: Methods, systems, and devices for wireless communications are described. An example method includes receiving a first transmission of one or more code blocks in a first slot and transmitting uplink control information that includes acknowledgement information for the one or more code blocks. The method also includes receiving a scheduling signal that indicates one or more parameters associated with a re-transmission scheduling policy based at least in part on the acknowledgement information. The method also includes receiving a second transmission of at least a portion of the one or more code blocks in a second slot and decoding the second transmission of at least the portion of the one or more code blocks according to the re-transmission scheduling policy.

Abstract: Methods, systems, and devices for wireless communications are described. A network entity may determine a number of resources for next transmissions following a first transmission. For example, a user equipment (UE) may calculate an average mutual information (MI) of a single log likelihood ratio (LLR) and an MI for each code block. The UE may transmit feedback indicating a quantity of resources to achieve a target MI based on the calculated averages. A wireless device may monitor a feedback buffer utilization associated with the UE. A network entity may retransmit existing code blocks or output a transmission using repetition based on the monitoring and utilization thresholds. The network entity may indicate to the UE a latency level code block attribute and increase a quantity of resources for following retransmissions by a boosting factor based on the latency level and a threshold.

Abstract: Example aspects include a method, apparatus, and computer-readable medium for scheduling transmissions of transport blocks (TBs) at a base station of a wireless communication network, comprising accessing static transmission information indicating configuration information of TB transmissions. The aspects further include transmitting, to a user equipment (UE), first downlink control information (DCI) corresponding to a first transmission. Additionally, the aspects include transmitting, to the UE according to the static transmission information and the first DCI, the first transmission comprising at least a portion of encoded bits of the TB. Additionally, the aspects include receiving, from the UE, an indication of at least one code block that failed to be successfully decoded. Additionally, the aspects include transmitting, to the UE, second DCI corresponding to a second transmission.

Abstract: Aspects of the present disclosure include methods, apparatuses, and computer readable media for identifying an initial rank, modulating information into a first plurality of layers associated with the initial rank, scrambling the first plurality of layers by a first common scrambler to generate a first plurality of scrambled layers, transmitting, to the receiver, the first plurality of scrambled layers, receiving an indication of failed demodulation of a portion of the first plurality of scrambled layers, modulating at least a portion of the information into a second plurality of layers, wherein the second plurality of layers includes a same number of layers as the first plurality of layers, scrambling the second plurality of layers by a second common scrambler to generate a second plurality of scrambled layers, and transmitting, to the receiver, the second plurality of scrambled layers.

Abstract: One or more techniques for sharing control channel and pilot resources are disclosed.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for signaling mechanisms associated with transmission puncturing schemes for rateless coding. In some aspects, a transmitting device may encode a message using a rateless code associated with a cumulative encoding of various portions of the message and may perform transmission puncturing to adapt a bit rate of related signal transmissions. The transmitting device may signal an indication of the transmission puncturing scheme, and potentially one or more modifications to the transmission puncturing scheme, to a receiving device via control signaling. The transmitting device may modify the transmission puncturing scheme in accordance with prioritizing retransmissions for some cumulative portions of the message ahead of other cumulative portions, such as by granting prioritized cumulative portions of the message relatively earlier transmission occasions in the transmission puncturing scheme.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive one or more indications of parameters associated with one or more downlink communications transmitted to one or more additional UEs. The UE may receive a downlink communication, including applying digital post distortion (DPoD) correction based at least in part on measurements of the one or more downlink communications transmitted to the one or more additional UEs and the one or more indications of the parameters. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may identify a set of data resource elements for transmitting data in one or more symbols periods. The first wireless device may generate, for the one or more symbol periods based on the set of data resource elements, a sequence of a set of pilot resource elements associated with the set of data resource elements, the sequence of the set of pilot resource elements including a demodulation reference signal. The first wireless device may transmit, to a second wireless device in the one or more symbol periods, the set of data resource elements and the set of pilot resource elements. The second wireless device may decode a first subset of the set of pilot resource elements based on a second subset of the set of pilot resource elements to determine the demodulation reference signal.