Qualcomm Incorporated

Ahmed Abdelaziz Ibrahim Abdelaziz Zewail

Xiaoxia Zhang

Jing X Sun

Tao Luo

Zhifei Fan

Wooseok Nam

Jun Ma

Qingjiang Tian

Iyab Issam Sakhnini

Mehmet Izzet Gurelli

Qiang Wu

Juan Montojo

Sungwoo Park

Mostafa Khoshnevisan

Srinivas Yerramalli

Peter S Gaal

Akula Aneesh Reddy

Arumugam Chendamarai Kannan

Anantha Krishna Karthik Nagarajan

Mohamed Fouad Ahmed Marzban

Hemant Saggar

Sony Akkarakaran

Ahmed Elshafie

Junyi Li

Wanshi Chen

Yan Zhou

Tianyang Bai

Ahmed Attia Abotabl

Marwen Zorgui

Morteza Soltani

Raviteja Patchava

Jae Ho Ryu

Rajat Prakash

Juergen Cezanne

Mahmoud Taherzadeh Boroujeni

Hwan Joon Kwon

Olufunmilola Omolade Awoniyi-Oteri

Vinay Chande

Jing Sun

Akula Reddy

Some aspects of the disclosure are related to channel state information (CSI) reporting for one or both of a private message (p-message) or a common message (c-message). In some aspects, a user equipment (UE) may receive a signal that includes a p-message associated with the UE and a c-message associated with the UE and at least one other UE. The UE may transmit a measurement report that indicates one or both of first CSI associated with the p-message or second CSI associated with the c-message.

Channel state information (CSI) reporting for one or both of a private message (p-message) or a common message (c-message)

Aspects provide communication methods, apparatuses and computer-readable mediums. According to an aspect, there is provided a method for wireless communication at a network entity. The method comprises: splitting a first individual message associated with a first device into at least a first common part and a first private part; splitting a second individual message associated with a second device into at least a second common part and a second private part; combining the first common part and the second common part to provide a common message; assigning a common group identifier to a group of devices comprising the first device and the second device; processing the common message, wherein the processing comprises scrambling the common message using the common group identifier; and transmitting the processed common message to the group of devices.

Data scrambling in rate-split communications

Aspects of methods, computer-readable mediums, and apparatuses are provided for a user equipment (UE) or a base station. The UE receives, from a base station, an indication to transmit a scheduling request (SR). The UE receives a downlink transmission triggering hybrid automatic repeat request (HARQ) feedback in one or more physical uplink control channel (PUCCH) resources. The UE transmits the SR to the base station in the one or more PUCCH resources for the HARQ feedback. The base station transmits, to a UE, an indication to transmit an SR. The base station transmits a downlink transmission triggering HARQ feedback in one or more PUCCH resources. The base station receives the SR from the UE in the one or more PUCCH resources.

Network initiated polling for uplink scheduling request

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration associated with a plurality of search spaces, wherein the plurality of search spaces are distributed across a plurality of slots. The UE may drop all search spaces of an identified slot based at least in part on one or more overbooking conditions. The UE may monitor a remainder of the plurality of search spaces other than the dropped search spaces. Numerous other aspects are described.

Slot level overbooking for multi-slot physical downlink control channel monitoring

Methods, systems, and devices for wireless communications are described. A receiving device may receive (e.g., from a transmitting device) one or more control messages indicating a first physical resource block (PRB) bundling size for a first set of two or more layers of a downlink shared channel and a second PRB bundling size for a second set of two or more layers of the downlink shared channel. The receiving device may receive a downlink transmission (e.g., a downlink shared channel transmission) that includes multiple codewords, such as a first codeword corresponding to the first set of two or more layers and a second codeword corresponding to the second set of two or more layers. The receiving device may receive the downlink transmission and may decode each codeword based on one or more channel estimates using the first PRB bundling size and the second PRB bundling size.

Unequal precoding resource block group sizes for multiple-codeword downlink data transmissions

A first UE may be configured to receive a common message associated with the first UE and at least one second UE. The first UE may be configured to obtain a common message configuration having at least one of a first indicator for a first data portion of the common message associated with the first UE or at least one second indicator for at least one second data portion of the common message associated with the at least one second UE. The common message configuration may be obtained from at least one of a header of the common message or DCI scheduling the common message.

Common message split indicators for rate- splitting MIMO

Disclosed is a method of wireless communication. The method is performed at a user equipment (UE). The method comprises receiving, from a network entity, downlink control information (DCI) for a downlink transmission, wherein the downlink transmission is based on a rate-splitting multiple access scheme, and wherein the downlink transmission comprises a common stream, a demodulation reference signal (DM-RS) for the common stream, a private stream and a DM-RS for the private stream, determining, based on the DCI, a DM-RS configuration for the DM-RS for the common stream and for the DM-RS for the private stream, and receiving, based on the DM-RS configuration, the downlink transmission.

Demodulation reference signal (DM-RS) design for rate-splitting multi-user multiple input multiple output (MU-MIMO) communication

A UE receives, from a base station, a single downlink control information (DCI) indicating a multiple PDSCH grant for at least a first PDSCH in a first slot and a second PDSCH in a second slot. The UE receives the first PDSCH in a first set of symbols in the first slot and receives the second PDSCH in a second set of symbols in the second slot. A UE receives, from a base station, a single DCI indicating a multiple PUSCH grant for at least a first PUSCH in a first slot and a second PUSCH in a second slot. The UE transmits the first PUSCH in a first set of symbols in the first slot and transmits the second PUSCH in a second set of symbols in the second slot.

Multi-PDSCH or multi-PUSCH grant for non-contiguous resources on multiple slots

Methods, systems, and devices for wireless communications at a user equipment (UE) are described. The UE may receive a control message indicating a first (MCS) value and a first resource associated with a first codeword and a second MCS value and a second resource associated with a second codeword. The UE may monitor the first resource for the first codeword in accordance with one or more first parameters determined by indexing a first MCS table using the first MCS value. The UE may monitor the second resource for the second codeword in accordance with one or more second parameters determined by indexing one of the first MCS table using the second MCS value or a second MCS table using the second MCS value. The UE may decode the first codeword and the second codeword based on monitoring the first resource and the second resource.

Multiple modulation and coding scheme tables for multiple codewords

A method for wireless communication performed by a user equipment (UE) includes receiving, from a network node, a message indicating a set of multi-slot monitoring configurations supported by a base station based on a minimum monitoring occasion periodicity associated with a search space being greater than or equal to one slot. The method also includes transmitting, to the network node, a selection message indicating selection of a single multi-slot monitoring configuration from the set of multi-slot monitoring configurations. The method still further includes monitoring the search space for a physical downlink control channel (PDCCH) transmission in a plurality of non-consecutive monitoring occasion groups, each monitoring occasion group comprising a plurality of non-consecutive monitoring occasions based on the single multi-slot monitoring configuration.

Non-consecutive slot monitoring configuration for early access

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit capability information indicating a physical downlink control channel (PDCCH) monitoring capability, wherein the PDCCH monitoring capability indicates a minimum length for a group of slots and a maximum number of consecutive slots including at least one search space within the group of slots. The UE may receive a search space set configuration associated with a plurality of search spaces, wherein the search space set configuration is based at least in part on a slot group length that is greater than or equal to the minimum length. The UE may monitor for control information based at least in part on the search space set configuration. Numerous other aspects are described.

Flexible slot group for multiple slot control channel monitoring

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may map a code block to resources, of a physical shared channel, that are allocated for data-modulated demodulation reference signals (DMRSs) in which each of the resources carries both at least a portion of a DMRS sequence and data. The wireless communication device may transmit a communication, via the physical shared channel, that includes the code block that is mapped to the resources that are allocated for the data-modulated DMRSs. Numerous other aspects are provided.

Code block-based resource mapping for transmissions with data-modulated demodulation reference signals

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a demodulation reference signal (DMRS) configuration that indicates a code-division multiplexing (CDM) group configured for the UE; receive a first indication of an antenna port, included in the CDM group, assigned to the UE for reception of a first set of DMRS transmissions; receive a second indication of whether a second set of DMRS transmissions for another antenna port, included in the CDM group, is present or absent for another UE; and perform channel estimation based at least in part on the first indication of the antenna port and the second indication of whether the second set of DMRS transmissions for the other antenna port is present or absent. Numerous other aspects are provided.

Demodulation reference signal design for large sub-carrier spacing

In an aspect, a PDCCH and a PDSCH are transmitted by a BS to a UE, whereby the PDDCH includes a first DCI part and the PDSCH includes a second DCI part. In an example, a TBS associated with the PDSCH may be determined (e.g., either by factoring or ignoring resource elements associated with the second DCI part). In another example, the PDSCH may be associated with a modulation scheme with a constellation having constellation points, whereby the second DCI part in the PDSCH is restricted to a subset of the constellation points. In another example, rate-matching may be performed for one or more resource elements of the second DCI part.

Physical downlink shared channel including part of a downlink control information

Methods, systems, and devices for wireless communications are described. A wireless device may generate a orthogonal time frequency space (OTFS) waveform for transmission to a second wireless device. Generation of an OTFS waveform may include mapping information samples to a delay-Doppler resource grid having a set of delay values and a set of Doppler values. A channel estimation block may occupy one or more rows of the delay-Doppler grid. When mapping information samples to the delay-Doppler grid, the transmitting device may first map information samples in the delay dimension (e.g., first map all of the symbols in one column of the delay-Doppler grid before mapping information samples into a second column). Such a mapping scheme may reduce the distance from any given information sample to the channel estimation block.

Growing community of inventors

San Diego, CA, United States of America

Ahmed Abdelaziz Ibrahim Abdelaziz Zewail