Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Nec Corporation

Guangdong Oppo Telecommunications Corp., Ltd.

Huei-Ming Lin

Qianxi Lu

Zhenshan Zhao

Hai Tang

Yi Ding

Yanan Lin

Jianhua Liu

Phong Nguyen

Shichang Zhang

Cong Shi

Ning Yang

Zhihua Shi

Zuomin Wu

Shukun Wang

Jia Shen

Kanagaratnam Sathananthan

The present application provides a method for feeding back a sidelink transmission state, comprising: a terminal device obtains an uplink feedback resource, the uplink feedback resource being used for transmitting sidelink feedback information; the terminal device performs sidelink feedback processing. The solution enables a network device to determine the data transmission state on a sidelink. After determining that data transmission on the sidelink fails, the network device can allocate retransmission resources to the terminal device, thereby improving success rate of sidelink transmission; or after determining that data transmission on the sidelink succeeds, the network device does not allocate retransmission resources to the terminal device any longer, thereby improving utilization of the resources.

Method and device for feeding back sidelink transmission state

The present disclosure relates to the technical field of communications, and disclosed are a resource reservation method and apparatus, a device and a storage medium. The method comprises: once LBT is successful, sending sidelink control information, wherein the sidelink control information is used to indicate N transmission resources reserved for a first transmission block, and the upper limit value of N is an integer greater than 3. Provided in the embodiments of the present application is a method for indicating transmission resources reserved by a terminal device when performing sidelink transmission on the basis of an unlicensed spectrum. Moreover, the sidelink control information sent by the terminal device may indicate more than three transmission resources, so that the reserved transmission resources may be indicated as much as possible in the sidelink control information.

Resource reservation method and apparatus, device and storage medium

A method for determining a sidelink transmission resource, a terminal device, and a network device are provided. The method includes determining a third transmission resource that includes a transmission resource for transmitting a physical sidelink shared channel (PSSCH), and determining a second transmission resource in the third transmission resource. The second transmission resource includes a time-domain resource the same as and/or adjacent to a time-domain resource for a demodulation reference signal (DMRS) of the PSSCH. The second transmission resource is used for transmitting second sidelink control information (SCI). The third transmission resource further includes a first transmission resource for transmitting first SCI.

Method for determining sidelink transmission resource, terminal device, and network device

A terminal device, a network device, a storage medium, and a connection configuration method. The connection configuration method includes reporting, by a first terminal device, to a network device connection, status of the first terminal device with at least one second terminal device.

Connection configuration method, device and storage medium

A user equipment and a method of resource transmission are provided. The method includes determining that physical sidelink feedback channel (PSFCH) resources for a resource pool are divided into M times N PSFCH resource sets in a frequency domain, each PSFCH resource set corresponds to a subchannel in a slot for the resource pool, and N is a number of physical sidelink shared channel (PSSCH) slots associated with a PSFCH slot, M is a number of subchannels for the resource pool, M and N are integers equal to or larger than 1. This can have enough resource for PSFCH transmission between multiple RX UEs, select resource of PSFCH per RX UE within an available transmission resource set, provide a good communication performance, and/or provide high reliability.

User equipment and method of resource transmission

Disclosed are a method for selecting a transmission resource, a method for selecting transmission data, a terminal, a chip, a computer-readable storage medium, a computer program product, and a computer program. The method comprises: selecting a first transmission resource from among at least one transmission resource according to the attribute configuration of the at least one transmission resource, wherein the transmission resource is one of the following: a carrier, a resource pool and a resource; and carrying out data transmission on the basis of the selected first transmission resource, wherein the attribute configuration comprises a related configuration of a hybrid automatic repeat request (HARQ), and/or an association relationship between the transmission resource and data to be transmitted.

Method for selecting transmission resource, method for selecting transmission data, and terminal

A link transmission method and a terminal device are provided. The method includes an operation as follows. Responsive to that a first transmission and a second transmission cannot be performed simultaneously, a terminal device determines to preferentially perform at least one first transmission. The first transmission includes first transmission of different access types and the access types include a Radio Access Technology (RAT).

Link transmission method and terminal device

A data transmission method and related devices are provided. The method is applicable to a network device. The method includes the following. A physical downlink shared channel (PDSCH) is transmitted, and first configuration information is transmitted, where the PDSCH is used for carrying a first-type service, and the first configuration information is used for configuring a physical uplink control channel (PUCCH) resource. Uplink feedback information transmitted by a terminal device is received on the PUCCH resource, where the uplink feedback information indicates whether a service carried by the PDSCH is correctly received.

Data transmission method and related devices

A user equipment and a method of resource allocation of the same are provided. The method includes performing monitoring on slots of a resource pool, excluding one or more sidelink resources from a candidate resource set in the resource pool, and selecting one or more sidelink resources using a timing based selection from the remaining candidate resource set or a resource selection window in the resource pool. This reduces risk of a pre-selected resource being taken-over or reserved by others and/or allows flexibility in a sidelink control information (SCI) signaling to be able to provide early indication/reservation of future sidelink resources, and subsequently improves overall system performance.

User equipment and method of resource allocation of same

Communication methods and devices for a sidelink (SL) are provided. A communication method for an SL includes the following. A first terminal device obtains a first transmission resource. The first terminal device sends first feedback information to a second terminal device, by using the first transmission resource. A time unit in which the first transmission resource is located is not used for transmitting data by the first terminal device to at least one third terminal device or the second terminal device, where the first terminal device, the second terminal device, and the at least one third terminal device belong to a first group.

Communication methods and devices for sidelink

A wireless communication method and a terminal device. The method comprises: a first terminal receiving, on N frequency domain resources, N sidelink data channels sent by a second terminal, wherein the N frequency domain resources correspond one-to-one to the N sidelink data channels, N is an integer greater than 1, and the frequency domain resources are carriers or bandwidth parts (BWP); and the first terminal sending, on M frequency domain resources, sidelink feedback information of the N sidelink data channels to the second terminal, where M is a positive integer, and M≤N.

Wireless communication method and terminal device

A method for information feedback and related devices are provided. The method includes the following. A terminal receives preset information from a network device, where the preset information at least includes point-to-multipoint (PTM) transmission information. The terminal feeds back HARQ response information of the preset information to the network device, where the HARQ response information includes HARQ response information of the PTM transmission information.

Method for information feedback and related device

Disclosed are a method and apparatus for determining a sidelink feedback resource, and a terminal and a storage medium. The method includes: obtaining, by a first terminal, sidelink feedback resource configuration information, and determining a sidelink feedback resource set according to the sidelink feedback resource configuration information; obtaining, by the first terminal, a first parameter set; determining, by the first terminal, a sidelink feedback resource in the sidelink feedback resource set according to the first parameter set; and sending, by the first terminal, sidelink feedback information to a second terminal on the sidelink feedback resource.

Method and apparatus for determining sidelink feedback resource, and terminal and storage medium

The present disclosure relates to a method for determining a transmission mode of a sidelink, a terminal apparatus, and a network apparatus. The method includes: a first terminal apparatus determining a first transmission mode from multiple transmission modes; and the first terminal apparatus performing, by adopting the first transmission mode, sidelink communications with other terminal apparatuses. The method for determining a transmission mode of a sidelink, the terminal apparatus, and the network apparatus in the present disclosure enable a terminal apparatus to adopt a suitable transmission mode for sidelink communications.

Method for determining transmission mode in sidelink, terminal apparatus, and network apparatus

Embodiments of the present application provide a wireless communication method and a terminal device. The method includes: determining, by the first terminal device, that an abnormality has occurred on the sidelink between the first terminal device and the second terminal device; and responding to the abnormality of the sidelink by the first terminal device.

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South Yarra, Australia

Huei-Ming Lin