Lenovo (beijing) Limited

Tsinghua University

Nuctech Company Limited

Lenovo Limited

Jie Shi

Haiming Wang

Lianhai Wu

Jing Han

Jie Hu

Zhi Yan

Haipeng Lei

Ran Yue

Hongmei Liu

Yingying Li

Prateek Basu Mallick

Genadi Velev

Bingchao Liu

Joachim Lohr

Zhiqiang Chen

Yuanjing Li

Mingzeng Dai

Zhennian Sun

Joachim Löhr

Xiaodong Yu

Yuxiang Xing

Li Zhang

Hongchao Li

Disclosed are methods for a random access. One embodiment of the subject application provides a method performed by a gNB, including determining a user equipment (UE) to enter an RRC_INACTIVE state by a gNB central unit (gNB-CU), sending a UE context suspension indication and a UE identification (ID) of small data transmission (SDT) to at least one first gNB distributed unit (gNB-DU) by the gNB-CU, storing the UE ID of SDT and keeping a UE context of SDT by the at least one first gNB-DU, and treating the UE in the RRC_INACTIVE state and forwarding a radio resource control (RRC) release manage to the UE by the at least one first gNB-DU, wherein the UE context suspension indication is for indicating the at least one first gNB-DU to keep a the UE context of SDT in the RRC_INACTIVE state, and the UE ID of SDT is for identifying the UE context of SDT. Related apparatuses are also disclosed.

Methods and apparatuses for small data transmission

The subject application relates to method and apparatus of group-based resource allocation. A method performed by a first Base station (BS), comprises: transmitting a scheduling user equipment (S-UE) qualification criterion to a group of UEs; receiving at least one request for being a first S-UE from at least one member UE (M-UE) in the group that satisfies the S-UE qualification criterion; transmitting a signal indicating the first S-UE based on the at least one request; and transmitting, to the first S-UE, group-based resource information for the group of UEs.

Method and apparatus of group-based resource allocation

The present application relates to NB-IoT system and a self-optimization network information transmission method thereof. The NB-IoT system includes a base station and a user equipment. The base station transmits a configuration to the user equipment. The user equipment transmits a self-optimization network information to the base station based on the configuration. The configuration is for the user equipment to transmit the self-optimization network information as one of: transmitting the self-optimization network information to the base station after receiving a self-optimization network parameter from another base station; and transmitting the self-optimization network information to the base station after a specific period.

Narrowband internet of things system and self-optimization network information transmission method thereof

Embodiments of the present application are directed to a method and apparatus for sidelink DRX operation. An exemplary method may include: configuring DRX information for sidelink, wherein the DRX information includes a value of DRX on-duration timer, a DRX cycle, and at least one DRX offset value; and starting the DRX on-duration timer from a beginning position based on the DRX cycle and the DRX offset value.

Method and apparatus for sidelink DRX operation

The present application is related to a method of failure handling in conditional handover. A method performed by a user equipment (UE) comprises: receiving a Conditional Handover (CHO) configuration; initiating a re-establishment procedure if one of a plurality first conditions is met; performing a cell selection procedure; performing a CHO procedure if a cell selected through the cell selection procedure is configured with the CHO configuration; and performing the re-establishment procedure if the selected cell is not configured with the CHO configuration.

Method of failure handling in conditional handover

Embodiments of the present application relate to a method and apparatus for data transmission. An exemplary method includes: receiving a data transmission request from a first base station, in a second base station, wherein the data transmission request indicates data transmission information on a data transmission; determining whether to transmit the data transmission by the second base station or make an anchor relocation for the data transmission based on the data transmission information and assistant information associated with the data transmission; and transmitting a data transmission response to the first base station based on the determining.

Method and apparatus for data transmission

Embodiments of the present application relate to a method and an apparatus for or small data transmission of a user equipment (UE) in an RRC_IDLE state or an RRC_INACTIVE state. According to an embodiment of the present application, a method can include: a method may include maintaining a priority variable for each logical channel of at least one logical channel; determining a value of the priority variable for each logical channel after performing a first logical channel prioritization (LCP) procedure; receiving a message indicating a MAC reset; and after receiving the message, in a second LCP procedure subsequent to the first LCP procedure, using the value as an initial value of the priority variable for each logical channel of the at least one logical channel. Embodiments of the present application can satisfy the QoS requirement and fairness for the traffics transmitted in the logical channels in NR systems.

Method and apparatus for small data transmission

The present application is related to a method and apparatus for performing a mobility robustness optimization (MRO) mechanism in a handover procedure of a user equipment (UE). Upon a failure associated with a serving cell of a base station (BS), the UE performs a cell selection procedure to select a cell of a second BS, wherein the failure is one of a radio link failure (RLF), a handover (HO) failure, or a first conditional handover (CHO) failure. The selected cell is associated with a CHO configuration. The UE performs a CHO procedure and, upon a second CHO failure during the CHO procedure, performs a RRC re-establishment procedure. After entering into a connected state with the second BS, the UE transmits, to the second BS, an RLF report that includes both information related to the failure and information related to the second CHO failure.

Method and apparatus for performing mobility robustness optimization in a handover procedure

A method of inspecting a vehicle includes: acquiring a to-be-inspected image of an inspected vehicle (S); acquiring a visual feature of the to-be-inspected image using a first neural network model (S); retrieving a template image from a vehicle template library based on the visual feature of the to-be-inspected image (S); determining a variation region between the to-be-inspected image and the template image (S); and presenting the variation region to a user (S). The system of inspecting a vehicle includes a radiation imaging device (), a display device (), an image processor (), and a storage device (). The present disclosure further includes a computer-readable storage medium.

Method and system of inspecting vehicle

Embodiments of the present application are directed to a method and apparatus for restricting access of devices. The receiving cell access related method may include: receiving cell access related information; and information performing an access control based on the cell access related information and a device type of a user equipment (UE).

Method and apparatus for restricting access of devices

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving, at a communication device, a configuration message including a threshold to configure the communication device; and transmitting, from the communication device, a congestion indication if an occupied buffer size of the communication device is equal to or greater than the threshold.

Method and apparatus for radio link flow control

Embodiments of the present application are related to a method and apparatus for wake up signal (WUS) detection. An embodiment of the present application provides a method. The method may include: receiving WUS configuration information including user equipment (UE) grouping information and WUS alternating information; determining an initial WUS sequence based on the UE grouping information; and monitoring a WUS sequence based on the initial WUS sequence and the WUS alternating information.

Method and apparatus for WUS detection

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving, at a first communication device from a second communication device, first registration information of a last serving cell, the first registration information at least including a first tracking area code and the identity of the second communication device; and determining whether to perform a registration procedure for the second communication device based on the first registration information.

Method and apparatus for core network registration and radio access network notification update

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving, at a user equipment, information indicating whether busy indication functionality is supported or not, wherein the busy indication functionality is associated with at least one of Core Network (CN) paging or Radio Access Network (RAN) paging. In addition, a cause value indicating busy indication between Xn interface can be used to determine whether the path switching should be performed or not.

Method and apparatus for paging control

Methods and apparatuses for resource configuration are disclosed. In one embodiment, a method at a remote unit comprises: receiving a preconfigured uplink resource (PUR) configuration; and transmitting uplink data in a frequency-time resource starting from a starting time, wherein the starting time is determined based on at least one of: (1) a connection release signaling reception time; (2) a first time offset for data processing; (3) an uplink data transmission time; (4) an uplink data retransmission timer; (5) a PUR configuration reception time; (6) a second time offset for scheduling flexibility; (7) a third time offset to a predetermined reference time; and (8) a length of time durations for PUR interval.

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Beijing, China

Jie Shi