Lenovo (singapore) Pte. Ltd.

Panasonic Intellectual Property Corporation of America

Motorola Mobility LLC

Sun Patent Trust

Lenovo (beijing) Limited

Apple Inc.

Lenovo Limited

Prateek Basu Mallick

Joachim Loehr

Ravi Kuchibhotla

Hidetoshi Suzuki

Alexander Johann Maria Golitschek Edler Von Elbwart

Vijay Nangia

Hyejung Jung

Lilei Wang

Joachim Löhr

Genadi Velev

Sujuan Feng

Robert T Love

Lianhai Wu

Alexander Golitschek Edler Von Elbwart

Masayuki Hoshino

Jing Han

Andreas Kunz

Haiming Wang

Dimitrios Karampatsis

Ayako Horiuchi

Haipeng Lei

Ankit Bhamri

Xiaodong Yu

Ravikiran Nory

Li Wang

Hossein Bagheri

Apostolis K Salkintzis

Tetsuya Yamamoto

Mingzeng Dai

Takahisa Aoyama

Chenxi Zhu

Takashi Tamura

Karthikeyan Ganesan

Ebrahim MolavianJazi

Michael Einhaus

Chi Gao

Ali Ramadan Ali

Jie Shi

Jens Bachmann

Bingchao Liu

Martin Feuersaenger

Takako Hori

Joachim Lohr

Rikin Shah

Hongmei Liu

Le Yan

Hyung-Nam Choi

Jan Ohlhorst

Jie Hu

Congchi Zhang

Zhuoyun Zhang

Ran Yue

Robin Thomas

Xiaohan Xia

Ravi Kuchibotla

Alexander Johann Golitschek Edler Von Elbwart

Alexander Johann M Golitschek Edler Von Elbwart

Joachim LÖHR

Ravi Kuchbhota

Karthikeyan Gansesan

Alexander Golitscheck Edler Von Elbwart

Apparatuses, methods, and systems are disclosed for sidelink HARQ operation. One apparatus includes a memory coupled to a processor, where the processor is configured to cause the second apparatus to receive a SL grant for a SL transmission using SL resources, the SL grant indicating a first HARQ process identified by a first HARQ process identifier, and to select a second SL HARQ process identified by a second SL HARQ process identifier for the SL transmission using the SL resources. The processor is configured to cause the second apparatus to transmit SCI containing the second SL HARQ process identifier and to perform the SL transmission using the SL resources.

HARQ process for sidelink transmission

A method and apparatus are provided, in which a service link path delay relative to a first leg of a communication path of a communication between the user equipment and a network entity via a relay entity is estimated (), where the first leg corresponds to a portion of the communication path between the user equipment and the relay entity. A feeder link path delay relative to a second leg of the communication path is determined (), where the second leg corresponds to a portion of the communication path between the relay entity and the network entity, based upon at least a received signaling indication. A timing advance value is calculated (), based upon the service link path delay and the feeder link path delay. An uplink transmission timing of the user equipment is adjusted (), based upon the calculated timing advance value.

Uplink timing maintenance for communication paths including multiple legs involving a relay entity

Embodiments of the present disclosure relate to methods and apparatuses for multicast and broadcast services (MBS). According to an embodiment of the present disclosure, a method may include: determining whether a user equipment (UE) in an RRC_IDLE state or RRC_INACTIVE state should enter an RRC_CONNECTED state for reception of at least one MBS session; and transmitting indication information for indicating whether the UE should enter the RRC_CONNECTED state.

Methods and apparatuses for multicast and broadcast services

Apparatuses, methods, and systems are disclosed for using a medium access control protocol data unit in a message 3 buffer. One method includes, in response to a medium access control protocol data unit being in a message 3 buffer and receiving an uplink grant: obtaining the medium access control protocol data unit from the message 3 buffer; if a first size of the uplink grant does not match a second size of the medium access control protocol data unit: indicating to a multiplexing and assembly entity to include medium access control sub-protocol data units carrying medium access control service data units from the obtained medium access control protocol data unit in a subsequent uplink transmission; and obtaining the medium access control protocol data unit from the multiplexing and assembly entity.

Medium access control protocol data unit in a message 3 buffer

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 supporting power saving for V2X communications. One apparatus includes a transceiver and a processor that receives a first request from a first application to send data over a PC5 interface. The processor determines a first PC5 DRX configuration for the first application based on at least one first QoS requirement and determines to establish a first PC5 QoS Flow to transmit the data. The processor associates the first PC5 DRX configuration with the first PC5 QoS Flow and sends a second request to an AS layer to establish a first QoS Flow, where the second request indicates a first QoS parameter and the first PC5 DRX configuration.

Configuring discontinuous reception for PC5 interface

Provided are systems and methods for transmitting data over a wireless channel from a data transmitting node to a data receiving node in a communication system. The data transmitting node comprises second-layer processing circuitry for receiving at least one second-layer SDU, to be mapped onto a resource allocated for data transmission, and for generating a second-layer PDU, including the at least one second-layer SDU and at least one second-layer control element, and first-layer processing circuitry for receiving the second-layer PDU generated by the second-layer processing circuitry and for mapping the second-layer PDU onto the resource allocated for data transmission. The data receiving node comprises first-layer processing circuitry for de-mapping at least one second-layer PDU, and second layer processing circuitry for receiving and parsing the second-layer PDU demapped by the first-layer processing circuitry, the second-layer PDU including at least one second-layer SDU, and at least one second-layer control element.

Efficient multiplexing of control information in transport block

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 sidelink communication using multiple protocol stacks. One method () includes assigning () a first protocol stack of a device to network communications. The method () includes assigning () a second protocol stack of the device to sidelink communications. The method () includes generating (), at the second protocol stack, first information based on arrival of data in a sidelink logical channel. The method () includes transmitting () the first information from the second protocol stack to a network device via the first protocol stack.

Sidelink communication using multiple protocol stacks

The present invention relates to selection of synchronization source among various synchronization sources which include sources determining the synchronization signal from the network such as base stations (network nodes) or user equipments which receive the synchronization signal possibly over other hops from the base station, and which further includes sources which do not determine their synchronization signal from the network. The selection of the synchronization source is performed by choosing the source with the most reliable synchronization signal based on a metric calculated for each of the sources considered. In particular, the metric is based on the type of the source, number of hops between the network and the source and/or received signal quality. After selecting the source, the timing of the device is adapted accordingly.

Device to device synchronization source selection

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving, at a communication device, a configuration message including a threshold to configure the communication device; and transmitting, from the communication device, a congestion indication if an occupied buffer size of the communication device is equal to or greater than the threshold.

Method and apparatus for radio link flow control

A radio resource control message comprising an indication of a random access channel preamble, a reference signal resource, or both can be received. A reference signal can be received on the reference signal resource. A random access channel preamble can be selected based at least in part on the reference signal satisfying a threshold. The selected random access channel preamble can be transmitted during a random access procedure.

Method and apparatus for random access on a wireless communication network

Apparatuses, methods, and systems are disclosed for transmitting device capability information. The method includes operating a device with multiple antenna port groups for communication between the device and a network. The method includes transmitting, by the device, device capability information to the network. The device capability information includes a number of antenna port groups of the multiple antenna port groups, a number of antenna ports for each of the antenna port groups, a maximum number of supported spatial layers for each of the antenna port groups, or some combination thereof.

Methods and devices for transmitting device capability information

Growing community of inventors

Langen, Germany

Prateek Basu Mallick