Qualcomm Incorporated

Telefonaktiebolaget Lm Ericsson (publ)

Aleksandar Damnjanovic

Tao Luo

Yongbin Wei

Wanshi Chen

Peter S Gaal

Durga Prasad Malladi

Xiaoxia Zhang

Juan Montojo

Hao Xu

Jing X Sun

Srinivas Yerramalli

Jelena Damnjanovic

Naga Bhushan

Tingfang Ji

Madhavan Srinivasan Vajapeyam

Taesang Yoo

Yisheng Xue

Shimman Arvind Patel

Siddhartha Mallik

Tamer Adel Kadous

Arumugam Chendamarai Kannan

Gavin Bernard Horn

Junyi Li

Ozcan Ozturk

Andrei Dragos Radulescu

Vinay Chande

Ahmed Kamel Sadek

Sony Akkarakaran

Osok Song

Seyed Ali Akbar Fakoorian

Rajat Prakash

Stein Arne Lundby

Chih-Hao Liu

Sai Yiu Duncan Ho

Seyedkianoush Hosseini

Masato Kitazoe

Parag Arun Agashe

Peng Cheng

Olufunmilola Omolade Awoniyi-Oteri

Keiichi Kubota

Joseph P Odenwalder

Alberto Rico Alvarino

Linhai He

Maarten Menzo Wentink

Yan Zhou

Iyab Issam Sakhnini

Michael Mao Wang

Kapil Bhattad

Piyush Gupta

Edward George Tiedemann, Jr

Ravi Palanki

Jun Wang

Mostafa Khoshnevisan

Makesh Pravin John Wilson

Nathan Edward Tenny

Sumeeth Nagaraja

Tao Chen

Aziz Gholmieh

Miguel Griot

Serge D Willenegger

Sandip Sarkar

Kapil Gulati

Alexei Yurievitch Gorokhov

Wei Zhang

Zhifei Fan

Rashid Ahmed Akbar Attar

Haitong Sun

Karl Georg Hampel

Bin Tian

Aamod Dinkar Khandekar

Sanjiv Nanda

Arnaud Meylan

Changlong Xu

Francesco Grilli

Amir Aminzadeh Gohari

Edward Harrison Teague

Bibhu P Mohanty

Qingjiang Tian

Krishna Kiran Mukkavilli

George Cherian

Wei Jennifer Yang

Tianyang Bai

Hemanth Sampath

Qian Zhang

Hua Wang

Sameer Vermani

John Edward Smee

Srinivasan Balasubramanian

Jay Kumar Sundararajan

Sharad Deepak Sambhwani

Gordon Kent Walker

Xiaojie Wang

Brian Clarke Banister

Prashanth Haridas Hande

Min Wang

Sungwoo Park

Ravi Agarwal

Fang Yuan

Valentin Alexandru Gheorghiu

Techniques are described for wireless communication. An orthogonal frequency-division multiple access (OFDMA) configuration of an uplink channel is identified for communications in an unlicensed radio frequency spectrum band. An OFDMA waveform is generated based on the identified OFDMA configuration. The OFDMA waveform is communicated in a signal in the unlicensed radio frequency spectrum band. A virtual cell identifier of a first base station may be associated with transmissions between the first base station and a first user equipment (UE). A set of common resource blocks may be identified for transmission of a demodulation reference signal (DM-RS) between the first base station and the first UE. A configuration of an uplink channel may be dynamically selected for uplink communications in an unlicensed radio frequency spectrum band. A waveform may be generated based on the selected configuration. The waveform may be communicated in a signal in the unlicensed radio frequency spectrum band.

Techniques for configuring uplink channels in unlicensed radio frequency spectrum bands

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a UE may receive an indication that a transmission of first data is to be modified and that second data is to be transmitted in place of a portion of the transmission of the first data; and identify a single time at which the transmission of the first data is to be canceled and transmission of the second data can begin, based at least in part on capabilities of the UE. Numerous other aspects are provided.

Intra-user equipment prioritization of transmissions

A communication configuration is selected based on the bandwidth used by a wireless communication device during a random access procedure (e.g., on an unlicensed band). In some scenarios, the maximum transmit power that the wireless communication device can use may be significantly restricted (e.g., by a regulation). In some cases (e.g., when the wireless communication device is near a center of a cell), the wireless communication device may transmit the random access information using a default bandwidth. In other cases (e.g., when the wireless communication device is near a cell edge), the wireless communication device may transmit the random access information using a wider bandwidth (e.g., to increase the coverage of the transmission). In some aspects, the maximum bandwidth used for the random access procedure may be used to select at least one communication configuration that is used for a subsequent communication (e.g., data or control signaling).

Communication configuration based on random access bandwidth

Methods, systems, and devices for wireless communications are described that provide for interference-aware beam failure detection procedures. One or more beam failure parameters may be adjusted based on a likelihood of temporary interference being present for a communications beam. The beam failure parameters may include beam failure indication (BFI) counts or count thresholds that may be adjusted based on a likelihood of BFIs being the result of temporary interference. Additionally or alternatively, one or more measurement thresholds that trigger a BFI may be adjusted based on a likelihood of a presence of temporary interference.

Techniques for interference-based beam failure detection

Certain aspects of the present disclosure provide techniques that may be used to help enable low latency communications between a user equipment (UE) and a base station (BS) using quick uplink channels that enable a reduced transmission time interval (TTI). An example method generally includes identifying a plurality of slots in a subframe, receiving a resource configuration for an uplink channel, wherein the resource configuration is associated with a first slot of the plurality of slots, determining a resource for transmitting the uplink channel in a second slot of the plurality of slots, wherein the resource is determined based on the resource configuration associated with the first slot of the plurality of slots, and transmitting the uplink channel in the second slot using the determined resource.

Uplink channel design for slot-based transmission time interval (TTI)

Methods, systems, and devices for wireless communications are described to support inclusion of layer 1 (L1) or layer 2 (L2) cell mobility information within a layer 3 (L3) handover command. A base station may transmit, to the UE, signaling indicating for the UE to perform a measurement on a first set of cells. The UE may perform the measurement on the first set of cells and may transmit, to the base station, an indication associated with the measurement on the first set of cells. In response to the indication, the base station may transmit, to the UE, an L3 handover command, where the L3 handover command may include L1 or L2 cell mobility information, such as an indication of a second set of cells that the UE is to use for L1 or L2 cell mobility after completing the L3 handover command.

Techniques for providing cell mobility information during handover

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive at least one sidelink communication on a sidelink, wherein the at least one sidelink communication includes at least one of a grant, data received on a resource identified by a grant, a multi-stage grant, a multi-packet grant, or a relaying communication; and transmit, on the sidelink or an uplink, a feedback message including a plurality of acknowledgements in connection with receiving the at least one sidelink communication. Numerous other aspects are provided.

Sidelink feedback format

A method for wireless communication by a user equipment (UE) includes receiving an indication of a mobility configured cell set having a number of cells. The method also includes receiving signaling to release a selected cell from the mobility configured cell set. The method further includes releasing the selected cell from the mobility configured cell set in response to receiving the signaling. In some aspects, releasing the selected cell comprises removing the selected cell from a carrier aggregation configuration. In other aspects, releasing the selected cell comprises removing a mobility configuration for the selected cell.

Layer one/layer two (L1/L2) signaling to release cells configured for L1/L2 inter-cell mobility

Wireless communications systems and methods related to accessing a channel based on an interference condition in a wireless communication network are provided. For example, a method of wireless communication performed by a wireless communications device may include receiving, from a second wireless communication device, one or more signals associated with a beam parameter, determining, at each of a plurality of locations, a signal measurement for at least one received signal of the one or more received signals, and determining, based at least in part on a cumulative distribution of the signal measurements at the plurality of locations and a reference probability distribution, whether the second wireless communication device satisfies an interference condition. Other features are also claimed and described.

Divergence statistical approach for narrow beam-based channel access

Apparatus, methods, and computer program products for L1 or L2 mobility are provided. An example method may include receiving a carrier aggregation (CA) configuration associated with a L1 or L2 mobility configuration from a network node, the L1 or L2 mobility configuration including primary cell (PCell) configurations for multiple cells. The example method may further include receiving at least one activation or deactivation of one of the PCell configurations from the network node.

L1/L2 inter-cell mobility and CA

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may transmit, to a second UE associated with a sidelink connection with the first UE, assistance information indicating at least part of a first discontinuous reception (DRX) configuration for a radio access link between the first UE and a base station. The UE may receive at least part of a sidelink DRX configuration for the sidelink connection, wherein an on duration of the sidelink DRX configuration is not aligned with an on duration of the first DRX configuration. The UE may transmit information indicating at least part of the sidelink DRX configuration. The UE may receive, from the base station, a second DRX configuration for the radio access link. The UE may communicate in accordance with the sidelink DRX configuration or the second DRX configuration. Numerous other aspects are described.

Techniques for radio access and sidelink discontinuous reception alignment

New radio (NR) transmission opportunity (TxOP) structure having flexible starting points are disclosed for wireless communications. When a typical listen before talk (LBT) procedure is performed, the transmitting node will not know ahead of time when the LBT will pass and, thus, when data transmissions can start. NR systems may include a mini-slot design for accommodating transmission units smaller than a slot. Aspects of the present disclosure provide for flexibly increasing the number of potential starting transmission boundaries depending on when the LBT pass is detected. Alternative aspects of the present disclosure determine the potential starting transmission points using a mini-slot based design, a floating slot based design, or a punctured slot based design with a code block group (CBG) level retransmission mechanism.

NR-unlicensed transmission opportunity structure with flexible starting point

Some aspects described herein relate to receiving a configuration defining resources for transmitting a first message in a two-step random access procedure, wherein the first message includes a random access preamble and a payload, generating a beacon signal for transmitting as the first message, where the beacon signal includes one or more parameters to facilitate discovery by other UEs for pairing in sidelink communications, and transmitting, based on the configuration, the beacon signal as the first message over the resources.

Techniques for performing sidelink discovery in wireless communications

This disclosure provides systems, methods and apparatuses for a transmission, from a user equipment (UE) to a first distributed unit (DU), of one or more measurement reports including channel measurements of a set of cells associated with a second DU of a same central unit (CU) as the first DU. The UE may transmit the one or more measurement reports according to various reporting format options, including via separate reports for activated and deactivated cells of the second DU, a joint report for activated and deactivated cells of the second DU, or a joint report across a set of DUs including the first DU. The measurement reports may include one or more metrics associated with each cell of a configured cell set and the UE and the DUs of the same CU may activate or deactivate one or more cells for communication with the UE based on the measurement reports.

Techniques for channel measurement reporting across different distributed units (DUS) of a base station (BS)

A method of wireless communication includes receiving, by a user equipment (UE) from a base station, a listen-before-talk (LBT) configuration message indicating whether category 2 (Cat2) LBT operations are enabled or disabled for the UE. The method further includes receiving, by the UE from the base station, a channel occupancy time (COT) message configuring the UE with a COT. The method further includes performing, by the UE, an LBT operation based on the LBT configuration message and based on the COT message.

Category 2 (CAT2) listen-before-transmit (LBT) operations for wireless communications

Growing community of inventors

Del Mar, CA, United States of America

Aleksandar Damnjanovic