Lenovo (beijing) Limited

Nec Corporation

Nec (china) Co., Ltd.

Motorola Mobility LLC

Zhennian Sun

Gang Wang

Hongmei Liu

Haipeng Lei

Chuangxin Jiang

Xiaodong Yu

Lianhai Wu

Ming Lei

Chenxi Zhu

Haiming Wang

Yukai Gao

Lei Jiang

Jing Han

Zhi Yan

Xin Guo

Bingchao Liu

Dalin Zhu

Su Yi

Yu Zhang

Wei Ling

Hongchao Li

Vijay Nangia

Robert T Love

Karthikeyan Ganesan

Jie Shi

Yingying Li

Jie Hu

Qingwei Ge

Embodiments of the present disclosure relate to methods and apparatus for burst-based sidelink transmission. According to an embodiment of the present disclosure, a method for wireless communication includes: performing a first Type-1 channel access procedure for sidelink transmission on a carrier starting from a first candidate starting symbol within a first slot, wherein the first candidate starting symbol is in a set of candidate starting symbols for the sidelink transmission; determining a channel occupancy time (COT) in response to the first Type-1 channel access procedure being successful; and performing, within the COT, the sidelink transmission on the carrier from the first candidate starting symbol within the first slot, wherein the sidelink transmission is contiguous in time domain without any gap.

Methods and apparatus for burst-based sidelink transmission

Embodiments of the present application are directed to a method and apparatus for beam management on sidelink. A method for wireless communication performed by a first user equipment (UE) is disclosed, the method may include: transmitting, to a second UE, an index indicating channel state information (CSI) reporting configuration information including a CSI reporting configuration item, wherein a type of CSI reporting is set in the index; and transmitting information of candidate beams of the first UE when the type of CSI reporting is set as round-trip in the index.

Method and apparatus for beam management on sidelink

The present application relates to a first user equipment, a second user equipment, a base station and a method for exchanging a sidelink information. The first user equipment determines an available sidelink process information and transmits the available sidelink process information to the second user equipment or the base station.

User equipment, base station and method for exchanging sidelink information

An apparatus and method for handling in-device co-existence of NR V2X and LTE V2X sidelinks are disclosed. The apparatus includes a transceiver that is scheduled to transmit and/or receive a first data transmission over a first radio access technology (RAT) and a second data transmission over a second RAT; and a processor that detects collision between the first data transmission and the second data transmission; wherein, upon detection of collision, the processor further controls the transceiver to selectively drop one of the data transmissions based on a set of selection criteria, the set of selection criteria including: priorities of the first RAT and the second RAT, and an attribute of the second data transmission indicative of whether it is an initial transmission or a retransmission.

Method and apparatus of vehicle-to-everything (V2X) communication

The present application relates to user equipment and a method for reporting reference signal receiving power (RSRP). A user equipment transmits a reference signal to another user equipment. After receiving the reference signal, another user equipment measures the reference signal for determining an RSRP. Another user equipment then transmits the RSRP and an attribute information corresponding to the RSRP to the user equipment. The user equipment receives the RSRP and the attribute information. The attribute information includes a geographic information, a type information of the RSRP, or a combination of the geographic information and the type information.

Method and apparatus for reporting reference signal receiving power

Embodiments of the present application are directed to a method and apparatus for beam-based transmission for sidelink. The method may include: detecting spatial information contained in first sensed scheduling information; selecting a resource and a direction of a beam for data transmission based on the detected spatial information; transmitting second scheduling information including the selected resource and spatial information of the beam for the data transmission, where the spatial information of the beam includes the direction of the beam for the data transmission; and transmitting the data transmission by using the selected resource and the direction of the beam.

Method and apparatus for beam-based transmission for sidelink

Embodiments of the present application are related to a method and apparatus for resource reservation for 3GPP 5G New Radio (NR) sidelink (SL). A method for wireless communication performed by a user equipment (UE) according to an embodiment of the present application includes: transmitting a code block group (CBG)-based transmission on a SL, wherein the CBG-based transmission includes one or more CBGs; receiving hybrid automatic repeat request-acknowledge (HARQ-ACK) feedback corresponding to the one or more CBGs; and determining, based on contents of the HARQ-ACK feedback, whether there is resource(s) to be released during a CBG-based retransmission.

Method and apparatus for resource reservation for NR sidelink

Apparatuses, methods, and systems are disclosed for determining an association between DMRS and PTRS. One apparatus includes a processor that: determines a scheduled physical resource block position and bandwidth; and determines, based on the scheduled physical resource block position and bandwidth, an associated demodulation reference signal port index within the physical resource block for a phase tracking reference signal.

Determining an association between DMRS and PTRS

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method of a first communication device includes: receiving a first connection request from a second communication device, wherein the first connection request may include a first indication indicating that a first logical channel between the first communication device and the second communication device is associated with a third communication device.

Method and apparatus for performing sidelink communication in a communication system

Embodiments of the present application are related to a method and apparatus for pre-empting a resource of a user equipment (UE) supporting New Radio (NR). A method for sidelink communications performed by a UE according to an embodiment of the present application includes: receiving a sidelink control information (SCI) indicating one or more reserved resources, wherein the SCI explicitly or implicitly indicates a pre-emption indication (PI) resource on physical sidelink feedback channel (PSFCH); determining whether the one or more reserved resources can be pre-empted; upon determining that the one or more reserved resources can be pre-empted, transmitting a PI on the PI resource on the PSFCH to pre-empt the one or more reserved resources; and performing a sidelink transmission on the pre-empted one or more reserved resources.

Method and apparatus for pre-empting a resource

Embodiments of the present invention provide method and devices for signaling transmission in unlicensed band. The method comprising determining a signal transmission pattern, which defines time and frequency resources for transmitting at least one signal in a first frequency band; signaling, via a second frequency band, the signal transmission pattern to a first device; and transmitting the at least one signal via the first frequency band, to the first device, according to the signal transmission pattern; wherein a transmission of one of the at least one signal is skipped if time and frequency resource for the transmission defined by the signal transmission pattern is detected as busy. Corresponding methods and devices for receiving a signal which is transmitted using above method are also disclosed.

Method and devices for signaling transmission in unlicensed band

The subject application is related to method and apparatus for scheduling a sidelink resource. A method performed by a first user equipment (UE), comprising: determining a reserved resource; transmitting a signal indicating the reserved resource; and if a pre-emption indication is received, releasing the reserved resource to a second UE.

Method and apparatus for pre-emption of a sidelink resource

Apparatus and methods of Channel Status Information (CSI) acquisition on sidelink are disclosed. The apparatus includes: a transmitter that transmits a reference signal to a device on a sidelink (SL) transmission; a receiver that receives a channel quality report from the device; and a processor that controls the transmitter and the receiver, and decodes the channel quality report to obtain a channel quality; wherein the processor is configurable to support one or a combination selected from a group consisting of: a reporting activation scheme where an SL Channel Status Information (CSI) reporting activation indicator is configured; and a measurement triggering scheme where the transmitter initiates transmission of the reference signal upon satisfying a triggering condition.

Apparatus and method of CSI acquisition on sidelink

Apparatuses, methods, and systems are disclosed for transmitting and/or receiving feedback for sidelink transmissions. One method () includes receiving () information from a network device indicating multiple resources for sidelink transmission and resources for feedback. The method () includes transmitting () sidelink data using the multiple resources for sidelink transmission. The method () includes transmitting () feedback to the network device using the resources for feedback based on the transmission of the sidelink data, wherein transmitting the feedback includes: transmitting only a negative acknowledgment on a first at least one resource of the resources for feedback in response to sidelink feedback not being used for the transmission of the sidelink data; transmitting only a positive acknowledgment or no acknowledgment on a second at least one resource of the resources for feedback in response to the sidelink feedback being used for the transmission of the sidelink data; or a combination thereof.

Transmitting feedback for sidelink transmissions

A method at a base station for performing data transmission to a user equipment in a communications system supporting carrier aggregation of at least one first carrier on which a short TTI is applied and at least one second carrier on which a long TTI is applied. The method transmits at least one DL scheduling grant corresponding to data transmission to the user equipment in a DL control region of at least one of a short TTI on a first carrier and a long TTI on a second carrier and performs DL data transmission towards the user equipment in a data transmission region of a short TTI on the first carrier and in the data transmission region of a long TTI on the second carrier as indicated by the at least one DL scheduling grant.

Growing community of inventors

Beijing, China

Zhennian Sun