Lenovo (singapore) Pte. Ltd.

Lenovo (beijing) Limited

Alexander Johann Maria Golitschek Edler Von Elbwart

Prateek Basu Mallick

Joachim Loehr

Ravi Kuchibhotla

Vijay Nangia

Karthikeyan Ganesan

Hyejung Jung

Robert T Love

Joachim Löhr

Ankit Bhamri

Ali Ramadan Ali

Haipeng Lei

Hossein Bagheri

Genadi Velev

Andreas Kunz

Xiaodong Yu

Ebrahim MolavianJazi

Robin Thomas

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 determining data transmission preemption. One method () includes receiving () a first uplink grant for a first hybrid automatic repeat request process. The method () includes determining () that a first data transmission corresponding to the first uplink grant is preempted by a second data transmission corresponding to a second uplink grant for a second hybrid automatic repeat request process. The method () includes, in response to determining that the first data transmission is preempted by the second data transmission: not generating () a transport block for the first uplink grant; and flushing a hybrid automatic repeat request buffer corresponding to the first hybrid automatic repeat request process.

Determining data transmission preemption

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 determining which transmission to prioritize between overlapping SL and UL transmissions. One apparatus includes a processor and a transceiver operable on an uplink channel and on a sidelink channel. The processor identifies a sidelink transmission and an uplink transmission planned for an overlapping time and determines a transmission type of the sidelink transmission and of the overlapping uplink transmission. The processor prioritizes the uplink transmission over the sidelink transmission in response to the transmission type of the uplink transmission being a random-access procedure message for a primary cell. The processor prioritizes the sidelink transmission over the uplink transmission in response to the transmission type of the uplink transmission being a reference signal transmission.

Prioritization of overlapping SL and UL transmissions

Apparatuses, methods, and systems are disclosed for configuring positioning measurements and reports. One apparatus in a mobile communication network includes a transceiver that receives, from a mobile wireless communication network, a positioning configuration defining a positioning configuration timeline and a measurement and processing time window for the UE The apparatus includes a processor that performs at least one positioning measurement for the UE according to the positioning processing timeline in response to receiving the positioning configuration. The transceiver sends a positioning measurement report comprising the at least one positioning measurement and measurement timeline performed of the at least one positioning measurement within the configured time window from the UE to the mobile wireless communication network.

Configuring positioning measurements and reports

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 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.

Transmissions based on a type of collision

Apparatuses, methods, and systems are disclosed for efficient management of multiple active BWPs. One apparatus includes a memory comprising instructions executable by a processor to cause the apparatus to receive a configuration for a plurality of bandwidth parts ('BWPs') for the serving cell, where the configuration indicates a mapping between a respective BWP and a corresponding logical channel. The instructions are executable by the processor to cause the apparatus to receive an uplink grant of uplink resources on at least one of the plurality of BWPs and prioritize data for uplink transmission on the uplink grant based at least in part on the mapping between the respective BWP and the corresponding logical channel.

Procedures for multiple active bandwidth parts

Apparatuses, methods, and systems are disclosed for handling LBT failure for a set of panels/beams. One apparatus () includes a transceiver () that includes a plurality of UE panels associated with one or more beams. The apparatus () includes a processor () that performs () a LBT procedure for a configured set of UE Tx panels corresponding to an uplink transmission. The processor () declares () LBT failure for the uplink transmission in response to determining that the LBT procedure has failed for all UE Tx panels in the configured set and increments () a LBT failure counter in response to LBT failure for the uplink transmission.

LBT procedure for a set of panels and/or beams

Apparatuses, methods, and systems are disclosed for codebook configuration for HARQ reporting. One method includes receiving a plurality of codebook configurations, wherein each codebook configuration of the plurality of codebook configurations comprises information indicating a subset of a total hybrid automatic repeat request process for a hybrid automatic repeat request report. The method includes autonomously selecting a codebook configuration of the plurality of codebook configurations. The method includes transmitting information indicating the selected codebook configuration in configured grant uplink control information, a physical uplink shared channel transmission, or a combination thereof. The method includes generating the hybrid automatic repeat request report for the subset of the total hybrid automatic repeat request process according to the selected codebook configuration.

Codebook configuration for HARQ reporting

Apparatuses, methods, and systems are disclosed for performing a two-step random access channel procedure. One method includes determining whether to perform a two-step random access channel procedure or a four-step random access channel procedure. The method includes, in response to determining to perform the two-step random access channel procedure: in a first step: transmitting a preamble in a first time slot; and transmitting an uplink data transmission via a physical uplink shared channel in a second time slot different from the first time slot; and, in a second step, receiving a response message corresponding to the first step, wherein the response message comprises a radio network temporary identifier.

Performing a two-step random access channel procedure

Apparatuses, methods, and systems are disclosed for determining channel statistics for clear channel assessments. One method includes determining, by an apparatus, channel statistics corresponding to a plurality of listen-before-talk channel access types, a plurality of channel access priorities, a plurality of frequency ranges, or some combination thereof. The channel statistics indicate whether clear channel assessments for transmission on a shared resource are successful. The method includes transmitting information corresponding to the channel statistics to a network device.

Determining channel statistics for clear channel assessments

Apparatuses, methods, and systems are disclosed for handling consistent UL LBT failure. One apparatus () includes a transceiver () that communicates with a serving cell in a wireless communication network. The apparatus () includes a processor () that detects () an uplink LBT failure in an active BWP of the serving cell and determines () a state of consistent uplink LBT failure for the active BWP in response to detecting a predetermined number of uplink LBT failures. The processor () sets () an unexpired timing alignment timer as expired in response to determining the state of consistent uplink LBT failure for the active BWP and initiates () a random-access procedure for the serving cell.

Uplink LBT failure for the active BWP

At least one common PUCCH resource set configuration can be received () for a 2-step random access procedure. At least one common PUCCH resource set can be determined () based on the at least one common PUCCH resource set configuration. A PRACH and a corresponding MsgA PUSCH can be transmitted (). A MsgB PDSCH can be received () in response to the transmitted PRACH and MsgA PUSCH. The received MsgB PDSCH can be decoded (). A successRAR intended to the UE can be identified () from the decoded MsgB PDSCH. A common PUCCH resource set of the at least one common PUCCH resource set and a PUCCH resource of the common PUCCH resource set can be determined () based on the successRAR. At least HARQ-ACK feedback information for the MsgB PDSCH can be transmitted () on the PUCCH resource.

Growing community of inventors

Darmstadt, Germany

Alexander Johann Maria Golitschek Edler Von Elbwart