Beijing Xiaomi Mobile Software Co., Ltd.

Ntt Docomo, Inc.

Koninklijke Philips Corporation N.v.

Beijing Xiaomi Pinecone Electronics Co., Ltd.

Nit Docomo, Inc.

Qun Zhao

Satoshi Nagata

Shimpei Yasukawa

Yongsheng Zhang

Hiroki Harada

Huiling Jiang

Yongbo Zeng

Xiaohang Chen

Liu Liu

Kazuki Takeda

Huan Wang

Anxin Li

Shinpei Yasukawa

Xiaolin Hou

Xiangming Li

Neng Ye

Jing Wang

Qin Mu

Xiaowei Jiang

Yang Liu

Wei Hong

Kazuaki Takeda

Ming Lei Zhang

Lihui Wang

Yajun Zhu

Hirohito Suda

Xiaoli Wang

Katsutoshi Kusume

Yixue Lei

Ming Zhang

Xin Xia

Zhi Cui

Kecong Xiao

Wensu Zhao

A resource reservation method, which belong to the field of communications technologies. Said method includes: acquiring a reservation resource limit, the reservation resource limit being used to limit a quantity of time-frequency resources reserved by a terminal; determining, on the basis of the reservation resource limit, time-frequency resources needing to be reserved for current transmission; and sending sidelink control information, the sidelink control information includes information of the time-frequency resources needing to be reserved.

Resource reservation method, apparatus and terminal

A method for indicating a feedback mode comprises the steps that a first device obtains configuration information, the configuration information being used for indicating whether the first device supports an optional function of hybrid automatic repeat request (HARQ) feedback; the first device sends sidelink control information (SCI) to a second device based on the configuration information, wherein the SCI comprises a first type of SCI and a second type of SCI, and one of the first type of SCI and the second type of SCI comprises a first field, the first field is used for indicating an HARQ feedback mode of multicast communication data transmission.

Method and device for indicating feedback mode, method for determining feedback mode

A method for determining configuration information, includes: a first terminal receiving a master information block (MIB) and; the first terminal determining configuration information of a first control resource set based on the MIB, the configuration information of the first control resource set including a frequency domain width of the first control resource set, the frequency domain width of the first control resource set being less than a frequency domain width of a second control resource set of a second terminal, and the frequency domain width of the second control resource set being determined based on the MIB.

Configuration information determination method and apparatus, and computer-readable storage medium

A ranging method in a synchronization system is provided. The ranging method is applied to a first terminal device and includes: sending a first ranging signal to a second terminal device; and determining a first time difference, the first time difference is a time difference between a moment when the first terminal device sends the first ranging signal and a first terminal timing, the first time difference is configured to determine a distance between the first terminal device and the second terminal device in combination with a second time difference, and the second time difference is a time difference between a moment when the second terminal device receives the first ranging signal and a second terminal timing.

Ranging method in synchronization system, device and readable storage medium

The present disclosure provides a direct connection communication method and apparatus. The method comprises: determining a direct connection communication Bandwidth Part (BWP) set, the direct connection communication BWP set at least comprising a first direct connection communication BWP and a second direct connection communication BWP; and performing direct connection communication by using the direct connection communication BWP set.

Direct connection communication method and apparatus

A data transmission method, apparatus, device and system for direct communication are provided. The method includes that a first terminal sends, according to information sent by an access network device, sidelink data to a second terminal through a sidelink. The first terminal receives sidelink hybrid auto repeat request (HARQ) feedback information fed back by the second terminal, where the sidelink HARQ feedback information is configured to indicate a receiving state corresponding to the sidelink data. The first terminal reports the sidelink HARQ feedback information to the access network device.

Data transmission method, apparatus, device and system for direct communication

A feedback method, a feedback apparatus, and a storage medium are provided. The feedback method includes: determining that a resource of a first physical uplink control channel (PUCCH) for transmitting sidelink feedback information overlaps with a resource of a second physical uplink channel for transmitting other uplink information in a time domain, in which the other uplink information is uplink information different from the sidelink feedback information; and transmitting the first PUCCH or transmitting the second physical uplink channel.

Feedback method, feedback device, and storage medium

A method and device are provided for transmitting control information and data. In the method, the device determines a time-frequency resource corresponding to control information and user data to be sent. The device transmits the control information and the user data on the time-frequency resource. In response to determining that a first time-frequency resource corresponding to the control information and a second time-frequency resource corresponding to the user data belong to the same time unit, the device set a part of the second time-frequency resource to occupy starting time-domain symbols of the time unit.

Method and device for transmitting control information and data

A method for adjusting transmission time, applied to any one of receiving ends in a sidelink multicast communication, includes starting transmitting a physical sidelink feedback channel at a first timing before a synchronization reference timing and separated from the synchronization reference timing by a first time offset.

Method and device for transmission time adjustment and configuration

A feedback information transmission method can include: selecting a basic sequence according to an information item of sidelink communication; generating feedback information of the sidelink communication according to the basic sequence; and transmitting the feedback information to a second terminal.

Feedback information transmission method and apparatus, and device and storage medium

The present disclosure provides sidelink-based transmission methods and apparatuses. A method includes: configuring a demodulation reference signal shared by control information and target data, where the target data indicates to-be-transmitted data associated with the control information; mapping the control information, the target data, and the demodulation reference signal onto a current time unit by using time-division multiplexing; and transmitting the control information, the target data, and the demodulation reference signal to a receiver through the time unit.

Direct link-based transmission method and apparatus

A feedback method, including: determining that a geographical distance between a data receiver and a data transmitter exceeds a quality of service (QoS) communication distance; sending out-of-range feedback information, and the out-of-range feedback information is configured to indicate that the geographical distance between the data receiver and the data transmitter exceeds the QoS communication distance.

Feedback method and system

A terminal is disclosed that includes a receiver that receives sidelink control information and data in sidelink and a transmitter that transmits a feedback signal corresponding to the data on a sidelink feedback channel. The transmitter determines a resource for transmitting the feedback signal based on a correspondence between a resource of the data and a resource for feedback. In other aspects, a base station, systems, and feedback methods are also disclosed.

Terminal, base station, system, and feedback method

A method and apparatus for using a sidelink bandwidth part. The method is implemented by a terminal and includes: receiving a configuration signaling, in which the configuration signaling includes a first information field, and the first information field is configured to indicate a time domain resource location corresponding to a sidelink resource pool; and using the sidelink bandwidth part at the time domain resource location.

Method and apparatus for using sidelink bandwidth part

A path loss calculation method and apparatus for power control. The method includes determining a target transmit power value according to at least one transmit power value used during direct unicast communication with a receiver device; receiving a current target reference signal received power (RSRP) value returned by the receiver device, wherein the target RSRP value is an RSRP value obtained by the receiver device by means of high layer filtering; and determining a target path loss value according to the target transmit power value and the current target RSRP value.

Growing community of inventors

Beijing, China

Qun Zhao