Lenovo (singapore) Pte. Ltd.

Motorola Mobility LLC

Google Inc.

Motorola Corporation

Lenovo (united States) Inc.

Lenovo (beijing) Limited

Google Technology Holdings LLC

Lenovo Limited

Vijay Nangia

Hyejung Jung

Ravikiran Nory

Ravi Kuchibhotla

Robert T Love

Hossein Bagheri

Ajit Nimbalker

Prateek Basu Mallick

Joachim Loehr

Ebrahim MolavianJazi

Kevin Lynn Baum

Alexander Johann Maria Golitschek Edler Von Elbwart

Brian Keith Classon

Murali Narasimha

Kenneth Anderson Stewart

Joachim Löhr

Sandeep H Krishnamurthy

Colin D Frank

Ankit Bhamri

Tyler A Brown

Karthikeyan Ganesan

Xiangyang Zhuang

Hiroshi Hayashi

Krishna Kamal Sayana

Philippe J Sartori

Udar Mittal

Amitava Ghosh

Rapeepat Ratasuk

Armin Werner Klomsdorf

Timothy A Thomas

Mark Conrad Cudak

Weimin Xiao

Jialing Liu

Frederick W Vook

Alexander Golitschek Edler Von Elbwart

Richard Charles Burbidge

Chenxi Zhu

Michael D Kotzin

Hongmei Liu

Zhennian Sun

Xiaodong Yu

Bingchao Liu

Joachim Lohr

Ali Ramadan Ali

Ziad Ahmad

Razvan-Andrei Stoica

Ahmed Hindy

Sher Ali Cheema

Seyedomid Taghizadeh Motlagh

Masaya Fukuta

Majid Ghanbarinejad

Khalid Zeineddine

Hidenori Akita

Dale Gerard Schwent

David R Wilson

Thomas Peter Krauss

Leng H Ooi

Eugene Visotsky

Hongchao Li

Edgar P Fernandes

Sumit Anil Talwalkar

Ahmed Monier Ibrahim Saleh Hindy

Karthik Ramasubramanian

Hyung-Nam Choi

Jean-Aicard Fabien

Robin Thomas

Ebrahim Molavianjazi

Vahid Pourahmadi

Mark Harrison

Robert Tristan Love

Margot Karam

Arvind Krishnamoorthy

Thomas P Krauss

Massaya Fukuta

Krishan Kamal Sayana

Na Wei

Wen Zhou

Abir Ben Hadj Fredj

Alexander Johann Golitschek Edler Von Elbwart

Joachim LÖHR

Karthikeyan Gansesan

Prateek Basumallick

Philippe Jean-Mar Sartori

Apparatuses, methods, and systems are disclosed for reporting a UE-selected parameter combination for reciprocity-based Type-II CSI codebook. One apparatus includes a processor and a transceiver that receives a CSI reporting configuration from a mobile communication network, the reporting configuration containing a codebook configuration. The processor identifies a set of antenna ports based on a received set of CSI reference signals and generates at least one coefficient amplitude indicator and one coefficient phase indicator for each antenna port in the identified set of antenna ports. The processor selects a subset of at least one parameter combination from a set of two or more parameter combinations corresponding to the codebook configuration and sends a CSI report to the mobile communication network, the CSI report indicating the selected parameter combination.

CSI reporting with parameter combination selection

Apparatuses, methods, and systems are disclosed for channel state information reporting for multiple transmit/receive points. One apparatus includes a transceiver that receives an indication from a mobile wireless communication net-work that channel state information ('CSI') corresponding to multiple transmit/receives points (“TRPs”) is to be reported and a processor that generates at least one CSI report according to the CSI reporting configuration, the at least one CSI report comprising a CSI-reference signal (“CSI-RS”) resource indicator (“CRI”), wherein the transceiver reports the at least one CSI report comprising the CRI to the mobile wireless communication network.

Channel state information reporting for multiple transmit/receive points

Apparatuses, methods, and systems are disclosed for enhanced DM-RS configuration. One apparatus in a mobile communication network includes a processor and a transceiver that receives a first indication of a configuration for Demodulation Reference Signal ('DM-RS'), where the DM-RS configuration includes a plurality of DM-RS configuration types. The transceiver also receives a second indication to autonomously switch among the plurality of DM-RS configuration types based on a configured subcarrier spacing value for a channel. The processor performs single channel estimation from multiple indicated antenna ports using the DM-RS configuration.

Demodulation reference signal configuration

Apparatuses, methods, and systems are disclosed for irregular resource element mapping. An apparatus () includes a transceiver () that is operable to communicate with a Radio Access Network ('RAN'). The apparatus () includes a processor () that receives (), via the transceiver (), a resource element mapping configuration comprising an indication of an irregular subcarrier spacing for a plurality of subcarriers for the UE. The resource element mapping configuration may be defined by the RAN based on a carrier frequency. The processor () applies () the indicated irregular subcarrier spacing to resource elements (“REs”) of the UE according to the resource element mapping configuration for communicating with the RAN.

Irregular resource element mapping

A method and apparatus are provided, in which a higher layer configuration is received (), where the user equipment is configured with two timing reference signals for receiving a common communication having a same set of data from multiple signal sources. A downlink scheduling assignment including downlink control information is received () in a control channel scheduling a physical downlink shared channel, wherein the downlink scheduling assignment comprises an indication of a transmission configuration indicator identifying two transmission configuration indicator states, which each indicate quasi-co-location information of a demodulation reference signal corresponding to the physical downlink shared channel relative to a respective one of the first and the second timing reference signals. The physical downlink shared channel is then received () according to the downlink scheduling assignment including the downlink control information.

Method and apparatus for providing channel estimation for single frequency network transmissions in high speed transit scenarios

A method and user equipment are provided, in which an indication that a cell in a carrier frequency supports a 2-step random access procedure is received. A physical random access channel preamble is transmitted on a first time-frequency resource. A physical uplink channel carrying data is transmitted, where the physical uplink channel carrying the data is associated with the transmitted physical random access channel preamble. In response to the transmitted physical random access channel preamble and the transmitted physical uplink channel carrying the data, a user equipment specific channel is received within a random access response window The data includes a user equipment identity.

Method and apparatus for performing contention based random access in a carrier frequency

Apparatuses, methods, and systems are disclosed for timing alignment in integrated access and backhaul. A method includes receiving, at an integrated access and backhaul ('IAB') node of a wireless communication network, a first configuration for receiving a downlink reference signal and a second configuration for receiving an uplink reference signal. The method includes determining timing alignment information associated with the downlink reference signal and the uplink reference signal. The method includes determining, based on the timing alignment information, a timing misalignment value. The method includes computing a second reception time based on a first reception time and the timing misalignment value, the first reception time determined based on the downlink reference signal. The method includes applying the second reception time to the TAB node for receiving the uplink reference signal.

Timing alignment in integrated access and backhaul

Apparatuses, methods, and systems are disclosed for repeater configuration for channel state information reference signal. An apparatus includes a transceiver that receives a first configuration from a base station of a mobile wireless communication network, the first configuration comprising channel state information reference signal ('CSI-RS') configuration information for amplifying and forwarding CSI-RS beams to a user equipment (“UE”) device from the repeater node. The transceiver receives a second configuration from the base station, the second configuration comprising configuration information for performing measurement and reporting of the CSI-RS beams. The transceiver receives repeater-specific CSI-RS to be forwarded to the UE device and transmits the repeater-specific CSI-RS to the UE device according to the first configuration.

Repeater configuration for channel state information reference signal

Apparatuses, methods, and systems are disclosed for power control using at least one power control parameter. One method () includes receiving (), at a first device, configuration information comprising a power offset value associated with a first plurality of resources and a first reference signal. The method () includes receiving () the first reference signal from a second device. The method () includes performing () a first measurement on the first reference signal. The method () includes calculating () a first expected receive power value based on the first measurement and the power offset value. The method () includes calculating () a first target receive power value. The method () includes transmitting () at least one downlink power control parameter to the second device based on the first target receive power value and the first expected receive power value.

Power control using at least one power control parameter

Apparatuses, methods, and systems are disclosed for transmissions to not cause interference. One method includes receiving a first configuration including information of a first reference signal ('RS'). The method includes transmitting the first RS while applying a first spatial filter. The method includes determining whether the first spatial filter is to be used for transmitting a signal to a second wireless node. The method includes receiving a first control message from a third wireless node. The method includes determining, based on the first control message, whether the first spatial filter causes an interference on the third wireless node. The method includes, based on determining that the first spatial filter does not cause the interference on the third wireless node, transmitting the signal to the second wireless node.

Transmissions to not cause interference

Apparatuses, methods, and systems are disclosed for adjusting a contention window size. One apparatus includes a processor and a transceiver comprising a plurality of transmit panels. The transceiver initiates a first channel occupancy ('CO') using at least one transmit panel in response to a successful Listen-Before-Talk procedure and transmits a directional transmission using a first transmit panel, the first transmit panel selected from the plurality of transmit panels. The processor determines whether the directional transmission was successfully received by a recipient and updates a first contention window size specific to the first transmit panel. The processor performs a subsequent Listen-Before-Talk procedure using the updated first contention window size prior to a subsequent directional transmission using the first transmit panel.

Updating a contention window size

Apparatuses, methods, and systems are disclosed for sidelink failure detection and recovery. One method includes receiving information indicating a sidelink failure detection resource set corresponding to at least one configured sidelink bandwidth part. The method includes determining a radio link quality of the at least one configured sidelink bandwidth part based on the sidelink failure detection resource set. The method includes detecting a sidelink failure based on the radio link quality. The method includes initiating a sidelink failure recovery procedure based on the sidelink failure.

Sidelink failure detection and recovery

Apparatuses, methods, and systems are disclosed for indicating a subcarrier spacing value. One method includes receiving a configuration from a network device for a report including an indication of at least one subcarrier spacing value for transmitting a physical channel, receiving the physical channel, or a combination thereof. The method includes, in response to receiving the configuration, estimating the at least one subcarrier spacing value by calculating a Doppler spread, an average delay, a delay spread, a phase noise power, an inter carrier interference level, or some combination thereof. The method includes transmitting the report including the indication of the at least one subcarrier spacing value.

Indicating a subcarrier spacing value

Apparatuses, methods, and systems are disclosed for sidelink data packet acknowledgment. One method () includes receiving () an indicator in sidelink control information. The method () includes comparing () a current value of the indicator to a last known value of the indicator. The method () includes, in response to the current value not matching the last known value: flushing () a soft buffer; transferring a data packet corresponding to the indicator into the soft buffer; attempting to decode the data packet; in response to successfully decoding the data packet, performing an acknowledgment action; and, in response to unsuccessfully decoding the data packet, performing a non-acknowledgment action.

Sidelink data packet acknowledgment

Apparatuses, methods, and systems are disclosed for channel state information reporting. One method includes receiving channel state information report configuration information. The channel state information report configuration information includes: information indicating one or more channel state information-reference signal resource configurations associated with at least one non-zero power channel state information reference signal resource set for channel measurement; and information indicating that the channel state information report configuration corresponding to multiple points is used. The multiple points are associated with a primary group of points or a secondary group of points. The method includes performing channel measurements using the at least one non-zero power channel state information reference signal resource set. The method includes generating a set of channel state information reports based on the channel state information report configuration information.

Channel state information reporting

Growing community of inventors

Woodridge, IL, United States of America

Vijay Nangia