Qualcomm Incorporated

Iyab Issam Sakhnini

Tao Luo

Jun Ma

Xiaoxia Zhang

Juan Montojo

Peter S Gaal

Jing X Sun

Jelena Damnjanovic

Mahmoud Taherzadeh Boroujeni

Qiang Wu

Wooseok Nam

Junyi Li

Hemant Saggar

Xiao Feng Wang

Huilin Xu

Yan Zhou

Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

Olufunmilola Omolade Awoniyi-Oteri

Wanshi Chen

Mehmet Izzet Gurelli

Dan Zhang

Morteza Soltani

Linhai He

Sony Akkarakaran

Peter Pui Lok Ang

Ozcan Ozturk

Zhifei Fan

Raviteja Patchava

Hwan Joon Kwon

Liangping Ma

Anantha Krishna Karthik Nagarajan

Aleksandar Damnjanovic

Yuchul Kim

Changhwan Park

Prashant Sharma

Tingfang Ji

Navid Abedini

Mostafa Khoshnevisan

Yisheng Xue

Yiqing Cao

Alberto Rico Alvarino

Arumugam Chendamarai Kannan

Rajat Prakash

Diana Maamari

Hao Xu

Prashanth Haridas Hande

Sungwoo Park

Shanyu Zhou

Qingjiang Tian

Konstantinos Dimou

Krishna Kiran Mukkavilli

Alexei Yurievitch Gorokhov

Hung Dinh Ly

Muhammad Sayed Khairy Abdelghaffar

Vasanthan Raghavan

Jing Lei

Le Liu

Ahmed Elshafie

Wei Zhang

Wei Yang

Dung Ngoc Doan

Messay Amerga

Nitin Kasturi

Sharif Ahsanul Matin

Prashant Udupa Sripathi

Ning He

Krishna Chaitanya Mukkera

Jose Edson Vargas

Hyun Yong Lee

Ravi Gopalan

Mohammad J Al-Saleh

Elyes Balti

Wu Qiang

Example implementations include a method, apparatus and computer-readable medium of wireless communication by a user equipment, comprising receiving at least one configuration associated with a plurality of connected mode discontinuous reception (C-DRX) cycles, wherein a first C-DRX cycle of the plurality of C-DRX cycles is associated with a set of user equipment (UE) operations and a second C-DRX cycle of the plurality of C-DRX cycles is associated with a subset of UE operations of the set of UE operations. The implementations further include transmitting data based on performance of one or more UE operations of the subset of UE operations during the second C-DRX cycle.

Customizable connected mode discontinuous reception

Methods, systems, and devices for wireless communications are described for indication of one or more symbol structures for one or multiple subsets of a set of symbols. The one or more symbol structures may include one or more guard interval (GI)-based symbol formats that are to be applied to one or more of the subsets of symbols. Different symbol formats may be indicated for different subsets of symbols, and a first subset of symbols may use a GI-based symbol format and a second subset of symbols may use a CP-based or GI-based symbol format. A base station may transmit control signaling to a user equipment to indicate one or more symbol structures for the one or more subsets of symbols, and the UE and the base station may communicate data in one or more slots in accordance with the indicated symbol structures based on the control signaling.

Techniques for signaling symbol format for guard interval based waveforms

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit an uplink trigger (ULT) message that indicates a request for a network entity to transmit a system information message including timing information for the UE. In response to the ULT message, the UE may receive the system information message indicating a timing advance (TA) command applicable to the UE. In some examples, the system information message may indicate that the TA command is applicable to a group of UEs that include the UE and one or more additional UEs. In some other examples, the system information message may indicate the TA command and a set of one or more additional TA commands, each applicable to a respective additional UE. The UE may communicate with the network entity according to a timing based on the TA command received via the system information message.

Communicating timing information via system information

A user equipment (UE) may transmit a first random access message to a base station in a first bandwidth part (BWP), switch from the first BWP to a second BWP, and start a timer following a time gap after transmission of the first random access message in the first BWP, the timer associated with a window of time for receiving a second random access message from the base station in the second BWP. The window of time may be a random access response (RAR) window or a contention resolution window that may extend until the expiration of the timer. The switch from the first BWP to the second BWP may be based on a subcarrier spacing (SCS) change from a first SCS to a second SCS.

BWP switching in RACH procedure

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network entity, one or more synchronization signal block (SSB) transmissions associated with a first subcarrier spacing (SCS). The UE may receive, from the network entity, one or more initial access transmissions associated with a second SCS, wherein a time location of an initial access transmission, of the one or more initial access transmissions, that uses a beam is based at least in part on a time location of an SSB transmission, of the one or more SSB transmissions, that uses the beam. Numerous other aspects are described.

Beam alignment for transmissions using different subcarrier spacings

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive first control information indicative of a resource allocation for reception of periodic multi-slot multi-cast transmissions. In some aspects, the control information may indicate a semi-persistent scheduling (SPS) configuration for multi-cast, multi-slot signaling. The resource allocation may include a set of multiple reception occasions over a set of multiple slots. The UE may receive one or more transport blocks during the set of multiple reception occasions over the set of multiple slots. In some aspects, the UE may transmit feedback information for the one or more transport blocks.

Multi-cast multi-slot semi-persistent scheduling communications

Methods, systems, and devices for wireless communication are described. A transmitting device may determine a power amplifier operating mode associated with non-linear distortion of an input waveform for a power amplifier, where the power amplifier operating mode may be from a set of two or more power amplifier operating modes each associated with respective amounts of the non-linear distortion. The transmitting device may transmit a set of reference signals associated with estimation of a wireless channel for a transmission, and the transmitting device may further transmit an additional set of reference signals associated with non-linear distortion mitigation for the transmission. In some examples, a resource density of the additional set of reference signals may be based on the power amplifier operating mode. In some examples, the transmitting device may transmit an indication of the power amplifier operating mode, the resource density, or both, to a receiving device.

Nonlinear power amplifier operating mode indication

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive, from a network node, an indication of a condition associated with switching between a first waveform and a second waveform or between a first set of waveform parameters for the first waveform and a second set of waveform parameters for the first waveform, wherein the condition is based at least in part on one or more network parameters. The mobile station may communicate, with the network node, using at least one of: the first waveform or the second waveform, or the first set of waveform parameters or the second set of waveform parameters, based at least in part on whether the condition is detected by the mobile station. Numerous other aspects are described.

Network parameter based waveform parameters

Certain aspects of the present disclosure provide techniques for wireless communication by a user equipment, comprising transmitting, to a network entity, a physical random access channel (PRACH) preamble in a random access channel (RACH) occasion (RO) within a RACH slot, generating a random access radio network temporary identifier (RA-RNTI) based, at least in part, on the RO in which the PRACH was transmitted and whether a configured number of ROs exceeds the RO capacity of one or more configured RACH slots defined within a reference slot, and using the RA-RNTI to process a random access response (RAR) message transmitted from the network entity in response to the PRACH preamble.

Random access radio network temporary identifier for higher subcarrier spacing

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive system information associated with a set of neighboring cells included in a non-terrestrial network (NTN). The UE may be connected to or camped in a current cell included in the NTN. The current cell may be associated with a current platform. The UE may monitor a neighboring cell, of the set of neighboring cells, based at least in part on the system information. Numerous other aspects are provided.

System information design for neighboring cells in a non-terrestrial network

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, using a first bandwidth, at least one synchronization signal associated with a synchronization signal block (SSB). The UE may receive, using a second bandwidth, at least one signal associated with a broadcast channel and associated with the SSB. The at least one synchronization signal and the at least one signal associated with the broadcast channel are separated by a time gap. In some aspects, the at least one synchronization signal and the at least one signal associated with the broadcast channel are received using a second beam. Accordingly, the UE may additionally receive, using a first beam, at least one additional synchronization signal associated with an additional SSB. The SSB and the additional SSB are separated by a beam switching gap. Numerous other aspects are described.

Time gaps in synchronization signal blocks

An apparatus, e.g., a UE, for selecting an uplink precoder using a non-codebook-based procedure is disclosed. The UE may receive, from a base station (BS), at least one downlink reference signal comprising at least one DMRS via at least one downlink channel. The UE may measure, based on the at least one downlink reference signal, the at least one downlink channel. The measuring may be based at least in part on the at least one DMRS. The UE may select at least one first uplink precoder for at least one uplink channel corresponding to the at least one downlink channel based on the measuring of the at least one downlink channel. The UE may transmit, to the BS, at least one uplink reference signal based on the at least one first uplink precoder for the at least one uplink channel.

Uplink non-codebook based precoder selection using DMRS measurement

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, in a downlink control information, a bit map identifying a plurality of feedback indicators for a plurality of uplink transmissions, wherein the plurality of feedback indicators includes more than one acknowledgment and/or negative acknowledgment; and retransmit one or more of the plurality of uplink transmissions based at least in part on receiving the bit map identifying the plurality of feedback indicators. Numerous other aspects are provided.

Consolidated feedback indication and feedback transmission

Certain aspects of the present disclosure provide techniques for a multi-slot sounding reference signal (SRS) resource. A method that may be performed by a user equipment (UE) includes receiving a configuration of an SRS resource, wherein the SRS resource comprises a set of symbols for transmission of SRS across a plurality of slots, and transmitting the SRS using the set of symbols across the plurality of slots to a base station.

Multi-slot sounding reference signal (SRS) resource

A configuration to allow for the transmission of system information on different beams, where different transmission parameters may be utilized for different beams. The apparatus transmits system information on a first beam. The apparatus transmits the system information on a second beam. The system information is transmitted using different parameters for the first beam and the second beam or comprises different system information content for the first beam and the second beam.

Beam specific RMSI transmission

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San Diego, CA, United States of America

Iyab Issam Sakhnini