Sharp Kabushiki Kaisha Corporation

Fg Innovation Company Limited

Sharp Corporation

Lexicon Pharmaceuticals, Inc.

Daingean Technologies Ltd.

Renmao Liu

Fangying Xiao

Chao Luo

Chongming Zhang

Ningjuan Chang

Shohei Yamada

Ming Ding

Yinan Zhao

Yongming Liang

Yingyu Zhang

Qi Jiang

Zeng Yang

Jian Li

Lei Huang

Xingya Shen

Feng Wang

Meng Zhang

Tomoki Yoshimura

Bo Li

Guolin Sun

Ziyuan Guo

Fancying Xiao

Shoichi Suzuki

Toshizo Nogami

Hidekazu Tsuboi

Wenxue Wu

Xiaogen Yang

Weifeng Hu

Yuelie Lu

Chongguang Yan

Jason Guohua Chen

Provided in the present invention are a method performed by user equipment, and user equipment. A method performed by user equipment, in which user equipment (UE) configured with dual connectivity or multi-connectivity performs configuration management on a secondary cell group (SCG) in a deactivated state during communication with a master cell group (MCG) and the SCG, includes the following steps: receiving, by the UE, an RRC connection reconfiguration message transmitted by a base station to the UE, the RRC connection reconfiguration message including a dedicated cell configuration for an SCG and a synchronization indication, wherein the SCG corresponding to the dedicated cell configuration is a target SCG, a primary serving cell (PSCell) thereof is a target PSCell, and an SCG/PSCell serving the UE before the reconfiguration message is received is a source SCG/source PSCell; and performing, by the UE, different PSCell change operations according to different states of the target SCG or the target PSCell.

User equipment, base station, and method for random access procedure on a primary serving cell based on a secondary cell group state

Provided in the present invention are a method performed by user equipment and user equipment. The method includes: a MAC entity of user equipment receiving configuration information from upper layers, wherein the MAC entity is configured by the upper layers to perform sensing-based sidelink transmission; the user equipment selecting time domain and frequency domain resources for a first transmission opportunity; and the user equipment selecting time domain and frequency domain resources for a second transmission opportunity.

Method performed by user equipment, and user equipment

Provided in the present invention are a method performed by user equipment, and user equipment. The method performed by user equipment is a method in which UE, after receiving a command for activating an SCell, triggers a PHR, the method including the following steps: receiving, by UE, an activation command for activating an SCell; when the UE receives the activation command, determining, by the UE, the state of the SCell; and when the UE determines that the SCell is in an activated state before the activation command is received, determining, by the UE, the type of an active BWP of the SCell; and when the UE determines that the type of the active BWP is a non-dormant BWP, triggering, by the UE, a PHR.

Provided in the present invention are a method performed by user equipment, and user equipment. The method performed by user equipment (UE) includes: when a periodically started timer T-active is running, the UE monitoring a physical sidelink control channel (PSCCH) and receiving sidelink control information (SCI); if the received SCI information indicates that HARQ feedback is to be performed, starting a timer T1-retx; if the received SCI information indicates that HARQ feedback is not to be performed, starting a timer T2-retx; and when the timer T1-retx and the timer T2-retx are running, the UE monitoring the PSCCH.

Provided in the present invention are a method performed by user equipment, and user equipment. The method performed by user equipment is a method for deactivating an SCG in a process in which UE configured with dual connectivity or multi-connectivity communicates with an MCG and the SCG. The MCG is a serving cell group controlled by an MN, and the SCG is a serving cell group controlled by an SN. The method includes the following steps: receiving, by the UE, an SCG deactivation command, and when the UE receives the SCG deactivation command, performing at least one of the following operations: suspending/pausing transmission of an SRB and a DRB on the SCG; stopping a timer T, wherein Tis started when the UE consecutively receives N out-of-sync indications on a PSCell of the SCG; stopping a timer T, wherein Tis configured with a timer measurement ID, and is started when a measurement report thereof is triggered; suspending/pausing a measurement configuration associated with the SCG; releasing the measurement configuration associated with the SCG; deactivating an SCell of the SCG; deactivating the PSCell of the SCG; and starting an SCG deactivation timer.

Provided in the present invention are a method performed by user equipment and user equipment. The method comprises: determining sidelink resource pool configuration information; receiving a PSCCH and a corresponding PSSCH transmitted by another user equipment; and determining an initialization sequence parameter cof a cyclic shift αof a sequence for a physical sidelink feedback channel (PSFCH).

According to the present invention, provided are a method performed by user equipment and user equipment. The method includes: acquiring configuration information related to a hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook, the configuration information including a first HARQ-ACK codebook parameter, a second HARQ-ACK codebook parameter, and a third HARQ-ACK codebook parameter; and determining, according to the configuration information related to the HARQ-ACK codebook, a HARQ-ACK codebook type related to sidelink (SL) transmission, wherein if the second HARQ-ACK codebook parameter has been configured, the first HARQ-ACK codebook parameter is applied and the second HARQ-ACK codebook parameter is ignored, and if the third HARQ-ACK codebook parameter has been configured, the first HARQ-ACK codebook parameter is applied and the third HARQ-ACK codebook parameter is ignored.

Method performed by user equipment, user equipment, and base station to determine HARQ-ACK codebooks for sidelink and downlink transmissions

A method performed by user equipment includes setting a content of a message in a physical sidelink broadcast channel (PSBCH) of a sidelink synchronization signal/physical sidelink broadcast channel (S-SS/PSBCH) block, including a content of 12 bits of the message to indicate a sidelink Time Division Duplex Configuration (sl-TDD-Config), and transmitting the S-SS/PSBCH block. The 12 bits includes 1 bit indicating whether a pattern 1 of a time division duplex Uplink Downlink Configuration Common (tdd-UL-DL-ConfigurationCommon) Time Division Duplex (TDD) configuration is used, or both of the pattern 1 and pattern 2 of the tdd-UL-DL-ConfigurationCommon TDD configuration are used. All of the 12 bits are set to '1' for a frequency division duplex (FDD), or for a spectrum indicated with a PC5 interface when at least the tdd-UL-DL-ConfigurationCommon is not provided in a System Information Block 1 (SIB1).

User equipment and method for transmitting S-SS/PSBCH block

Provided in the present invention is a method performed by user equipment, and user equipment. The method performed by user equipment is a method, performed by user equipment, for determining address information to which a CSI report belongs or corresponds. The method includes the following steps: carrying, by user equipment, a CSI request trigger in SCI, and scheduling transmission of a PSSCH carrying a TB in the SCI, wherein the TB includes an MAC PDU, and an MAC subheader of the MAC PDU includes address information; receiving, by another user equipment, the SCI, receiving the transmission of the PSSCH according to the information in the SCI, and decoding the TB; and generating, by another user equipment, a CSI report, wherein address information of the CSI report is determined by the address information of the CSI request trigger corresponding to the CSI report.

Provided in the present invention are a method performed by user equipment, and user equipment. A method performed by user equipment is a method of an RRC connection re-establishment procedure performed by user equipment (UE), and includes the following steps: triggering or initiating, by the UE, an RRC connection re-establishment procedure; during initiation of the RRC connection re-establishment procedure, starting, by the UE, a timer T, and performing cell selection or relay selection; and in the case that the UE has selected a suitable cell or the UE has selected a suitable relay, stopping, by the UE, T, wherein the suitable cell is a cell of which a measured value or a level value meets a cell selection rule, and the suitable relay is a relay of which a measured value or a level value meets a relay selection rule.

A method performed by a user equipment (UE) is provided. The method detects a failure in a master cell group (MCG) transmission. The method, after determining that the UE is configured with a resume timer, transmits a message to a base station (BS). The message includes information related to the failure. The method also starts the resume timer upon sending the message to the BS, and triggers a radio resource control (RRC) connection re-establishment procedure when the resume timer expires.

Control method of user equipment and user equipment

A method performed by a base station (BS) is provided. The method receives, from a user equipment (UE), a message indicating that the UE is capable of performing a conditional handover. The method then transmits, to the UE, a set of one or more conditional handover configurations. Each conditional handover configuration in the set of conditional handover configurations includes information associated with a corresponding candidate cell, and a handover condition comprising a measurement event based on a signal quality of at least one of a serving cell and the corresponding candidate cell.

Method and device for conditional handover

The present disclosure provides a radio link failure reporting method and user equipment. The radio link failure reporting method comprises: user equipment (UE) detecting a radio link failure (RLF) of a master cell group (MCG); the UE initiating a fast MCG link recovery procedure to recover a connection to a network side; the UE transmitting a radio link failure report to the network side, wherein the radio link failure report comprises first fast MCG link recovery information, and the first fast MCG link recovery information is used to indicate that the UE has attempted a fast MCG link recovery function based on the fast MCG link recovery procedure after a radio link corresponding to the radio link failure report fails.

Radio link failure reporting method and user equipment

The present application provides a method executed by a user equipment, comprising: receiving a first system information (SI) message, wherein the first system information (SI) message comprises type information related to a system information block (SIB) and scheduling information of a second system information (SI) message to which the type of the SIB belongs, and the scheduling information comprises a time when the second SI message appears and indication information indicating whether the second SI message is broadcast; and if the indication information indicates that the second SI message is not broadcast, sending an SI request message, and receiving a needed system information block (SIB) according to the scheduling information in the received first SI message. The present application further provides a corresponding user equipment and base station. By means of the present invention, unnecessary overheads are avoided and system resources are saved while meeting the demand of a UE acquiring information.

Method for sending and receiving system message, base station, and user equipment

Provided in the present invention are a method performed by user equipment, and user equipment. The method includes: determining the maximum number Nof sidelink resources reserved for one sidelink transmission; receiving sidelink scheduling information transmitted by a base station; determining an index or number f2 of a lowest sub-channel of a second sidelink resource, and the number m of sub-channels in a sidelink frequency domain resource assignment, and/or an index f3 of a lowest sub-channel of a third sidelink resource; and determining a value r' of a frequency domain resource indication field in a sidelink control information (SCI) format 0-1.

Growing community of inventors

Shanghai, China

Renmao Liu