Lenovo (beijing) Limited

Nec Corporation

Nec (china)co., Ltd.

Motorola Mobility LLC

Lenovo Limited

Zhennian Sun

Gang Wang

Hongmei Liu

Haipeng Lei

Xiaodong Yu

Chuangxin Jiang

Lianhai Wu

Haiming Wang

Ming Lei

Chenxi Zhu

Yukai Gao

Lei Jiang

Jing Han

Zhi Yan

Xin Guo

Bingchao Liu

Dalin Zhu

Su Yi

Yu Zhang

Wei Ling

Jie Hu

Hongchao Li

Vijay Nangia

Robert T Love

Karthikeyan Ganesan

Jie Shi

Yingying Li

Qingwei Ge

Embodiments of the present disclosure relate to methods and apparatuses for detecting a sidelink transmission burst over an unlicensed spectrum. According to an embodiment of the present disclosure, a method performed by a user equipment (UE) for wireless communication includes: generating a sequence; and transmitting the sequence at a beginning of a sidelink burst on a carrier, starting from a first candidate position of a set of candidate positions in a first slot, wherein the sequence spans a predetermined number of consecutive symbols in time domain and the sidelink burst is contiguously transmitted in time domain without any gap.

Methods and apparatus for detecting sidelink transmission burst over unlicensed spectrum

The present disclosure is related to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving sidelink control information (SCI) on a first interlace of a first set of interlaces on a carrier, wherein the SCI may schedule a second set of interlaces on the carrier for transmitting data; and receiving, based on the SCI, the data on the second set of interlaces, wherein each interlace of the first set of interlaces and the second set of interlaces may include evenly-spaced resource blocks (RBs) in frequency domain.

Method and apparatus for resource allocation for sidelink communication

Embodiments of the present application are related to a method and apparatus for code block group (CBG)-based transmission for 3GPP 5G New Radio (NR) sidelink (SL). A method for wireless communication performed by a UE according to an embodiment of the present application includes: in response to a CBG-based transmission being enabled, transmitting a 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 in response to the HARQ-ACK feedback, transmitting an indicator on a physical uplink control channel (PUCCH) resource to request a resource for a CBG-based retransmission.

Method and apparatus for CBG based transmission for NR sidelink

The present disclosure is related to methods and apparatuses. According to some embodiments of the disclosure, a method performed by a first UE for wireless communication includes: receiving, from a second UE, sidelink control information (SCI) on a first interlace on a carrier, wherein the SCI schedules data transmission on the carrier, and the first interlace comprises evenly-spaced resource blocks (RBs) in frequency domain; and transmitting, from the first UE, corresponding to the data transmission, a hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback on a first feedback resource based on the SCI.

Method and apparatus for transmitting HARQ-ACK feedback for sidelink communication

Embodiments of the present disclosure relate to DCI format transmissions. According to some embodiments of the disclosure, a method may include: receiving a first DCI format scheduling a first data channel of a plurality of data channels on a first carrier of a plurality of carriers, wherein the first DCI format includes common scheduling information for all of the plurality of carriers and information for decoding a second DCI format; receiving the first data channel on the first carrier based on the first DCI format; decoding the second DCI format on the first data channel; and receiving a second data channel of the plurality of data channels on a second carrier of the plurality of carriers based on the second DCI format.

Method and apparatus for transmitting downlink control information

The present application relates to a method and an apparatus for sidelink burst transmission. The method includes: performing a channel access procedure for initiating a channel occupancy for sidelink transmission; transmitting sidelink control information (SCI) to another apparatus within the channel occupancy; wherein the SCI includes an indicator indicating a remaining duration of the channel occupancy; and transmitting sidelink data associated with the SCI to the another apparatus without exceeding the remaining duration of the channel occupancy.

Method and apparatus for sidelink burst transmission

Disclosed are methods and apparatus for performing sidelink control information reception for sidelink on a user equipment configured with discontinuous reception functionality. One embodiment of the subject application provides a method performed by a user equipment, including configuring, for a first user equipment configured with Mode 2 resource selection for sidelink and configured with discontinuous reception functionality, a period during which the first user equipment performs sidelink control information reception or during which at least one resource sensing result obtained by at least one other user equipment is requested by the first user equipment, and performing sidelink control information reception at least during the period or receiving the at least one resource sensing result from the at least one other user equipment.

Methods and apparatuses for sidelink control information reception

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.

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Beijing, China

Zhennian Sun