Lenovo (singapore) Pte. Ltd.

Huawei Technologies Co., Limited

Lenovo (united States) Inc.

Lenovo Limited

Ali Ramadan Ali

Ankit Bhamri

Vijay Nangia

Karthikeyan Ganesan

Sher Ali Cheema

Alexander Johann Maria Golitschek Edler Von Elbwart

Seyedomid Taghizadeh Motlagh

Razvan-Andrei Stoica

Ahmed Hindy

Joachim Loehr

Hyejung Jung

Prateek Basu Mallick

Ravi Kuchibhotla

Hossein Bagheri

Chenghui Peng

Ömer Bulakci

Hyung-Nam Choi

Hanwen Cao

Soumya Somasekharan Nambiar

Majid Ghanbarinejad

Malte Schellmann

Dan Hu

Daniel Medina

Mate Boban

Serkan Ayaz

Zhao Zhao

Swaroop Nunna

Mohamed Gharba

Abir Ben Hadj Fredj

Apparatuses, methods, and systems are disclosed for supporting acknowledgements for DL data transmitted on UL resources. One apparatus in a mobile communication network includes a processor and a transceiver that receives signaling information from a RAN node to schedule a first set of PDSCH resources and a first set of corresponding PUSCH resources, where the information to schedule the first set of PDSCH resources and the first set of PUSCH resources is transmitted in a same slot. The processor determines feedback information for a PDSCH transmission received from the RAN node using the first set of PDSCH resources and controls the transceiver to send feedback information for the PDSCH transmission to the RAN node using the first set of PUSCH resources.

Transmitting feedback information

Apparatuses, methods, and systems are disclosed for adjusting retransmission timing for a configured grant. One apparatus includes a processor that determines an offset value for a retransmission timer associated with a configured grant for communications between the UE and a mobile wireless communication network. The processor starts the retransmission timer adjusted by the offset value in response to transmission of data corresponding to a transport block ('TB') on a hybrid automatic repeat request (“HARQ”) process. The processor detects expiration of the retransmission timer associated with the configured grant. In response to detecting expiration of the retransmission timer, the processor determines a transmission resource from a plurality of configured transmission resources for retransmitting a TB.

Adjusting retransmission timing for a configured grant

Apparatuses, methods, and systems are disclosed for CSI-RS enhancement. One apparatus includes a transceiver and a processor that receives a first configuration comprising a configuration of indices and a length of at least one first DFT for mapping on CSI-RS symbols, and/or a configuration of a number and a length of at least one second DFT for CSI-RS transmission. The processor receives a CSI-RS transmission and a PDSCH transmission during a symbol by applying multiple DFTs based on the first configuration. The processor generates a CSI report based on the received CSI-RS and transmits the generated CSI report to the network entity.

Receiving CSI-RS and PDSCH using multiple DFTs

Apparatuses, methods, and systems are disclosed for ultra-wideband measurements for radio access technology-independent positioning. One apparatus includes a transceiver that transmits a set of capabilities related to ultra-wideband positioning, receives UWB assistance data to perform UWB positioning, and transmits a UWB measurement and location information report for the UE device using the at least one UWB positioning method associated with at least one of a set of timing-based and a set of angular-based UWB measurements. The apparatus includes a processor that determines information for potential causes of error for one or more of a UWB configuration and a position estimate for the UE device. The transceiver transmits the determined information for the potential causes of error and receives UWB-specific error information associated with one or more of the UWB configuration and the position estimate information for correcting the determined potential causes of error.

Ultra-wideband measurements for radio access technology-independent positioning

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

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 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 receiver-assisted interference mitigation. One apparatus includes a processor and a transceiver that is operable on unlicensed spectrum, where the transceiver includes a plurality of UE panels. The processor generates a first TB for a first UL channel resource. Here, the first TB contains control signaling or data. The processor performs a directional LBT procedure for a first panel associated with the first UL channel resource and transmits request information to a RAN node using the first UL channel resource in response to successful directional LBT. The processor receives feedback information from the RAN node in response to the request information and transmits the first TB using the first UL channel resource in response to receiving the feedback information.

Beam switching after performing listen-before-talk

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 configuring repeater-assisted communication. One method includes transmitting, from a first network node ('NN'), an indication of repeater-assisted communication to a second NN and a third NN. The method includes transmitting configuration information to the second NN and the third NN. The configuration information includes control information that corresponds to whether the second NN and the third NN are turned on or turned off, the control information corresponding to whether the second NN and the third NN are turned on or turned off is correlated, the control information identifies timing information for the second NN and the third NN, and the timing information indicates whether the second NN and the third NN are expected to transmit a signal received at the second NN and the third NN at a prior time to the first NN and/or a fourth NN based on the configuration information.

Configuring repeater-assisted communication

Apparatuses, methods, and systems are disclosed for directional LBT procedure for DRS transmission. One apparatus includes a processor and a transceiver that is operable on unlicensed spectrum. The processor indicates block locations within a Discovery Reference Signal ('DRS') transmission window for a plurality of candidate Synchronization Signal/Physical Broadcast Channel (“SS/PBCH”) blocks. The processor performs a Listen-Before-Talk (“LBT”) procedure for a plurality of DRS transmissions within a DRS transmission window and controls the transceiver to transmit—for a given spatial direction—a SS/PBCH block upon successful LBT for the given spatial direction.

Listen-before-talk for discovery reference signal transmission

Apparatuses, methods, and systems are disclosed for control information for a digitally controlled surface having reflective elements. One method includes transmitting, from a first network device, a synchronization signal based on a control frame structure to a second network device including a digitally controlled surface having reflective elements. The method includes transmitting control information based on the control frame structure to a controller of the second network device. The control information is transmitted at least partly using a dedicated physical control channel, a sequence, and/or an on-off pattern.

Control information for a digitally controlled surface having reflective elements

Apparatuses, methods, and systems are disclosed for location-based beam failure detection (BFD) and recovery. One apparatus includes a transceiver that receives a configuration from a RAN for multiple sets of BFD reference signal (RS), multiple beam failure instance (BFI) counters, and an association of at least one BFD RS set and a corresponding BFI counter to one of a plurality of groups. The processor measures a signal strength on the BFD RS for each group and compares the measured signal strength with a BFD RS threshold value. The processor increments a BFI counter associated with a particular group if the measured signal strength is below a BFD RS threshold value and initiates random-access procedure if the BFI counter reaches a maximum value of beam failure for each group.

Beam failure detection using multiple sets of reference signals

Apparatuses, methods, and systems are disclosed for transmissions based on a type of collision. One method () includes determining () that a first transmission resource corresponding to a first user equipment preempts a second transmission resource corresponding to a second user equipment as a result of a collision between the first transmission re-source and the second transmission resource in a shared resource pool. The method () includes transmitting (), from the second user equipment, a request for resource reselection and activation in response to a type of collision being a periodic collision or a series collision; or transmitting, from the second user equipment, the request for resource reselection in response to the type of collision being a one-time collision.

Growing community of inventors

Munich, Germany

Ali Ramadan Ali