Fujitsu Corporation

Huawei Technologies Co., Limited

Pengyu Ji

Lei Zhang

Qinghai Zeng

Xin Wang

Jian Zhang

Mingzeng Dai

Guorong Li

Wei Quan

Zhenxing Hu

Xiaodong Yang

Hua Zhou

Yulong Shi

Lixia Xue

Jianming Wu

Yi Shan Jiang

Meiyi Jia

Yuhua Chen

Guoyu Zhang

Xianjun Yang

Junhui Zhao

Weed torch

A method and apparatus for transmitting and receiving sidelink feedback information. The method includes: receiving, by a terminal equipment, DCI with CRC being scrambled by a SL-RNTI or a SL-CS-RNTI; generating first indication information used for indicating that the first sidelink transmission is successful or that a network device is not needed to schedule retransmission, wherein the first sidelink transmission is not performed on the dynamic grant resource scheduled by the DCI, and a priority of the first indication information is preconfigured; and transmitting the first indication information via a first PUCCH indicated by the DCI.

Method and apparatus for transmitting and receiving sidelink feedback information

A sidelink transmission and reception methods and apparatuses. The sidelink transmission method includes transmitting first sidelink control information via a physical sidelink control channel; and transmitting second sidelink control information and a first transport block via a physical sidelink shared channel, wherein the first sidelink control information or the second sidelink control information or a media access control protocol data unit of the first transport block indicates or carries triggering information used for triggering a second terminal equipment to report sidelink resource information.

Sidelink transmission and reception methods and apparatuses

Methods and apparatuses for transmitting and receiving downlink control information and a communication system. The apparatus for transmitting downlink control information (DCI) includes: a first transmitter configured to transmit to a terminal equipment first DCI indicating an interrupted first time-frequency resource used for transmitting uplink data, the first DCI at least comprising a first field indicating a position of the first time-frequency resource.

Methods and apparatuses for transmitting and receiving downlink control information and communication system

A radio link monitoring method in a sidelink, applicable to a terminal equipment. The method includes: reporting by a physical layer to a higher layer a state of at least one sidelink and sidelink information to which the state corresponds, and performing by the higher layer operations related to radio link monitoring or a radio link failure according to the sidelink information.

Radio link monitoring method and apparatus and system in sidelink

This disclosure provides a communication apparatus and method of vehicle communication (V2X) services and a communication system. The apparatus includes a first communication portion, the first communication portion being configured to: detect that a radio link failure occurs in a sidelink; and notify that radio link failures occur in all sidelinks of the terminal equipment to a network device via a Sidelink UE Information message.

Communication apparatus and method of V2X services and communication system

Methods and apparatuses for transmitting and receiving sidelink information. The method includes: determining a priority/priorities of second data information and/or feedback information by a second device, allocating power for the second data information and/or the feedback information according to the priority/priorities; and/or scrambling and/or indicating the second data information and/or the feedback information by the second device by using an identifier. Hence, supporting multiple unicast sessions or groupcast sessions by the same device may be achieved.

Methods and apparatuses for transmitting and receiving sidelink information

An apparatus and method for transmitting data of vehicle communication (V2X) services and a communication system. The apparatus includes: a first generating unit configured in a media access control (MAC) layer of the terminal equipment and configured to generate at least one protocol data unit (PDU) in a mode identical to a transmission mode to which a service data unit (SDU) contained in a PDU corresponds; and a first transmitting unit configured in the MAC layer and configured to transmit the PDU to a physical layer of the terminal equipment, and notify the transmission mode to which the PDU corresponds to the physical layer. This disclosure facilitates the physical layer to transmit data in a corresponding transmission mode. The terminal equipment may determine the transmission mode or set the transmission mode according to the indication information, and layers of the terminal equipment perform corresponding processing.

Method and apparatus for transmitting data and communication system

A method and apparatus for identifying a user equipment capability in sidelink transmission. A UE capability of a destination UE is identified by using a specific UE identity, and a transmitting end UE is facilitated to provide configuration not exceeding a UE capability according to the UE capability of a destination UE and maintain information on the destination UE, thereby providing a mechanism for identifying a UE capability.

Method and apparatus for identifying user equipment capability in sidelink transmission

Methods and apparatuses for transmitting and receiving sidelink data. The method includes: receiving by a second terminal equipment sidelink control information and sidelink data transmitted by a first terminal equipment; at least according to one or more frequency-domain resources of the sidelink data indicated in the sidelink control information, determining a resource block in which one of at least two sidelink feedback channels for the sidelink data is located; and transmitting feedback information to the first terminal equipment by using the sidelink feedback channel.

Methods and apparatuses for transmitting and receiving sidelink data

Methods and apparatuses for transmitting and configuring sidelink data. The method includes: receiving by a terminal equipment control information including a sidelink grant and transmitted by a network device, the control information further indicating at least one piece of destination information to which the sidelink grant is directed; determining at least one destination and/or logical channel according to the destination information; and transmitting sidelink data of the at least one destination and/or logical channel according to the sidelink grant. Thus, the network device is enabled to schedule different resources for different destination terminal equipments.

Methods and apparatuses for transmitting and configuring sidelink data

Methods and apparatuses for information transmission and reception are provided. The method includes: determining a demodulation reference signal in a time-domain resource by a transmitting device at least according to the number of a part of symbols in the time-domain resource; wherein the number of symbols contained in the time-domain resource is less than or equal to the number of symbols contained in a slot or a subframe; and transmitting data information and the demodulation reference signal by the transmitting device to a receiving device by at least using the time-domain resource.

Methods and apparatuses for transmission and reception of demodulation reference signal

A resource indication method and apparatus and communication system. The resource indication method includes: receiving by a terminal equipment third indication information used for dynamically indicating time domain resources in a resource pool transmitted by a network device, and/or receiving by a terminal equipment first indication information used for indicating first time domain resources belonging to a resource pool and transmitted by a network device. By indicating by the indication information which time-domain resources in the semi-persistently configured and/or dynamically configured time-domain resources may be contained in the resource pool, the V2X terminal equipment may perform data transceiving by using the resources in the resource pool, thereby supporting V2X communication in a future communication system.

Resource indication method and apparatus and communication system

A transmission apparatus and method of feedback information. A user equipment receives or generates sidelink feedback information and transmit the sidelink feedback information to a network device, thereby providing a feedback mechanism of sidelink transmission, and improving reliability of data transmission of a sidelink.

Transmission apparatus and method of feedback information

Embodiments of this disclosure provide sidelink resource multiplexing and indication methods and apparatuses thereof. The method includes: receiving by a second device length information indicating a length of a first part in a slot transmitted by a terminal equipment or a network device; and performing transmission and/or reception of sidelink information by the second device with a first device according to the length information. Hence, the second device is able to process the first part according to the length information, thereby improving performance of sidelink transmission.

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Beijing, China

Pengyu Ji