Qualcomm Incorporated

Abdelrahman Mohamed Ahmed Mohamed Ibrahim

Muhammad Sayed Khairy Abdelghaffar

Ahmed Attia Abotabl

Krishna Kiran Mukkavilli

Huilin Xu

Wanshi Chen

Seyedkianoush Hosseini

Tingfang Ji

Hwan Joon Kwon

Ahmed Elshafie

Wei Jennifer Yang

Renqiu Wang

Joseph Patrick Burke

Hung Dinh Ly

Gokul Sridharan

Yi Huang

Igor Gutman

Pushkar Bajirao Kulkarni

Thomas Valerrian Pasca Santhappan

Peter S Gaal

Juergen Cezanne

Tao Luo

Naga Bhushan

Pinar Sen

Junyi Li

Linhai He

Yuchul Kim

Qian Zhang

Shimman Arvind Patel

Seyong Park

Marwen Zorgui

Jing X Sun

Juan Montojo

Yan Zhou

Alexandros Manolakos

Mostafa Khoshnevisan

Danlu Zhang

Yeliz Tokgoz

Chih-Ping Li

Runxin Wang

Sanghoon Kim

Cong Nguyen

Charline Hao

Ronnie Machado

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of conflict conditions for identification of conflicts between uplink feedback messages and a communication frame structure, and may receive a downlink message within a set of semi-persistent downlink resources. The downlink message may be associated with a first uplink resource for transmitting a feedback for the downlink message, where the first uplink resource is included within a subband full-duplex (SBFD) slot that includes one or more uplink subbands. The UE may then transmit the feedback message via the first uplink resource or a second uplink resource that is deferred relative to the first uplink resource based on whether feedback deferral for the downlink message is triggered in accordance with the one or more conflict conditions the second uplink resource is included within a second slot that is subsequent to the subband full-duplex slot.

Techniques for hybrid automatic repeat request deferral in full-duplex

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a grant scheduling communications during a full-duplex slot, the communications including a first communications using a first one or more resource block sets and a second communications using a second one or more resource block sets. The UE may identify, based at least in part on a time domain resource allocation field indicated in the grant, a first frequency resource for the first one or more resource block sets and a second frequency resource for the second one or more resource block sets. The UE may perform the communications during the full-duplex slot and using the first frequency resource and the second frequency resource.

Time domain resource allocation scheduling multiple transmissions across subbands

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, an indication of at least one of a configured grant or a semi-persistent scheduling (SPS) configuration. The UE may transmit or receive, based at least in part on a modification to the at least one of the configured grant or the SPS configuration, wherein the modification is based at least in part on a change from a first time domain pattern to a second time domain pattern. The UE may receive and indication of the modification from the base station. Additionally, or alternatively, the UE may determine the medication based at least in part on at least one rule stored in a memory of the UE. Numerous other aspects are described.

Modifications to configured grants and semi-persistent scheduling configurations based on time domain patterns

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a message indicating one or more communication patterns from a base station. The one or more communication patterns may indicate to the UE to adjust one or more parameters for transmitting an uplink communication during a set of time resources, a set of beams, a set of ports, or any combination thereof. During the resources indicated in the one or more communication patterns, the base station may estimate a cross link interference channel between the base station and a second base station. The one or more communication patterns may indicate a hopping pattern for each subband of a bandwidth part. The base station may configure the UE with a timing advance based on the message.

Signaling for inter-base station interference estimation

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may generate an input signal including information for transmission over a wireless channel. The UE may perform a first waveform shaping stage on the input signal to increase an in-band emissions ratio and reduce a peak-to-average power ratio (PAPR) of the input signal. The UE may perform a second waveform shaping stage on the output of the first waveform shaping stage to reduce an adjacent channel leakage ratio of the output of the first waveform shaping stage. The UE may then transmit a signal over the wireless channel based on an output of the second waveform shaping stage.

Techniques for waveform compression

A UE may estimate a CLI channel state based on a ZP-SRS from a second UE. A network node may transmit to the UE, and the UE may receive from the network node, a CSI-RS. The UE may estimate a downlink channel state based on the CSI-RS from the network node. The UE may estimate one or more eCSF parameters based on the CLI channel state, the downlink channel state, two or more interference hypotheses, and at least one of a CPU specification, a timing specification, or a UE capability indication. The UE may transmit to the network node, and the network node may receive from the UE, an eCSF report based on the one or more eCSF parameters.

CPU, timing, and capability specifications for eCSF report based on projected CLI in FD

Apparatus, methods, and computer program products for cross-link interference (CLI) measurements are provided. An example method may include receiving, from a second network entity, a configuration of a set of semi-persistent (SP) or periodic (P) (SP/P) CLI measurement resources for layer 2 (L2) CLI measurement, where the set of SP/P CLI measurement resources are associated with one or more measurement resource types including at least one of: a zero power sounding reference signal (ZP SRS), a channel state information (CSI) interference measurement (CSI IM) resource, a non-zero power (NZP) CSI reference signal (CSI RS), or a combination of the NZP CSI RS and CSI IM, where the one or more measurement resource types are tied to at least one respective CLI reporting metric or not tied to the respective CLI reporting metric.

L2 CLI measurement and reporting

A method of wireless communication at a user equipment (UE) and related apparatus are provided. In the method, the UE receives a resource allocation for a first set of resources in a first frequency band that is disjoint from a second frequency band in a sub-band full duplex (SBFD) slot, and communicates with a network node using the first set of resources in the first frequency band and a corresponding second set of resources in the second frequency band. The method improves the resource allocation efficiency for scheduling resources over multiple disjoint sub-bands.

Sub-band full duplex (SBFD) allocation with disjoint sub-bands

Apparatus, methods, and computer program products for full duplex communication are provided. An example method may include receiving a FDRA indication from a network entity, where the FDRA indication allocates a set of scheduling resources in a first band of a DL band or a UL band and includes an indication associated with a resource utilization in a second band of the UL band or the DL band, and where the DL band and the UL band overlap in a time domain. The example method may include receiving, from the network entity, a RRC configuration associated with a guard band between the UL band and the DL band. The example method may include communicating, with the network entity, a UL transmission or a DL transmission based on at least one of the set of scheduling resources, the guard band, or the resource utilization in the second band.

Type 0 resource allocation in sub-band full-duplex slots

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a full-duplex user equipment (UE) may identify timing for performing an interference measurement based at least in part on a scheduled uplink transmission time. The full-duplex UE may perform, in a particular symbol and in accordance with the timing for performing the interference measurement, a self-interference measurement and a cross-link interference measurement. Numerous other aspects are provided.

Concurrent self-interference and cross-link interference measurement and reporting

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit channel state information (CSI) that is based on an estimated cross link interference (CLI) at the UE. For example, a network entity may indicate, to a first UE and a second UE, transmission parameters of a multi-port CLI-reference signal (CLI-RS) that is associated with estimation of CLI channel between the first UE and the second UE. The network entity may indicate, to the first UE, one or more precoding parameters associated with uplink precoding at the second UE. The second UE may transmit the multi-port CLI-RS to the first UE, and the network entity may transmit a CSI-reference signal (CSI-RS) to the first UE. The first UE may transmit a report that includes CSI based on the multi-port CLI-RS, the CSI-RS, and the one or more precoding parameters.

Cross link interference based channel state information reporting

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a message indicating a frequency hopping configuration for repetitions of an uplink message that are to be transmitted via a set of resources, including one or more resources that support full-duplex communications. The UE may determine that some resources of the set of resources are available for transmitting the repetitions in a time domain. The UE may use a frequency hopping pattern to transmit the uplink message and the repetitions of the uplink message, where the frequency hopping pattern may include two or more frequency hops and based on the available resources and the frequency hopping configuration. In some cases, the UE may determine that some resources of the set of resources are unavailable in a frequency domain, and as such, the UE may drop respective transmissions of the uplink messages on the unavailable resources.

Frequency hopping and available slot determination for full-duplex operation

Disclosed are techniques for communication. In an aspect, a first UE determines information (e.g., from an external device, or via the first UE's own energy sensing) associated with scheduled uplink transmissions on a set of symbols by a second UE. The first UE performs measurements on at least some of the scheduled uplink transmissions during a first subset of the set of symbols where no DL signals are received by the first UE. The first UE receives at least one DL signal during a second subset of the set of symbols, and mitigates interference associated with the at least one DL signal based on the measurements.

Mitigation of interference at a first user equipment based on information of scheduled uplink transmissions by a second user equipment

Methods, systems, and devices for inter-UE cross link interference (CLI) characteristics are described. A UE may transmit, to a network entity, capability information indicating a capability of the UE to support one or more schemes for determining characteristics of an inter-UE CLI channel. The network entity may transmit, based on the capability information, an indication of a selected scheme of the one or more schemes for determining the characteristics of the channel. The UE may perform a set of measurements of the characteristics and may transmit assistance information in accordance with the selected scheme. The assistance information may pertain to the channel and may include the set of multiple measurements. The UE may also transmit an indication of the channel's variation or an indication of a coherence time. The network entity may transmit one or more updated channel parameters in response to receiving the assistance information.

Sensing and signaling of inter-user equipment (UE) cross link interference characteristics

Various aspects generally relate to wireless communication. In some aspects, a network node may receive signaling identifying a configuration for a first bandwidth part, wherein the configuration for the first bandwidth part includes a first central frequency for the first bandwidth part. The network node may communicate using a second bandwidth part associated with a second central frequency that is offset from the first central frequency by a configured offset. Numerous other aspects are described.

Flexible bandwidth part frequency offset configuration

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San Diego, CA, United States of America

Abdelrahman Mohamed Ahmed Mohamed Ibrahim