Lenovo (beijing) Limited

Fujitsu Corporation

Motorola Mobility LLC

Fujitsu Connected Technologies Limited

Other

Lenovo Limited

Lianhai Wu

Haiming Wang

Jing Han

Jie Shi

Haipeng Lei

Xiaodong Yu

Zhi Yan

Jie Hu

Hongmei Liu

Zhennian Sun

Haibo Xu

Hua Zhou

Prateek Basu Mallick

Zhuoyun Zhang

Chenxi Zhu

Meiyi Jia

Hongchao Li

Joachim Lohr

Yulong Shi

Joachim Loehr

Bingchao Liu

Mingzeng Dai

Ran Yue

Congchi Zhang

Genadi Velev

Joachim Löhr

Yingying Li

Yanling Lu

Ningjuan Chang

Wei Ling

Tao Qiu

Ravi Kuchibhotla

Robert T Love

Le Yan

Lingling Xiao

Yi Zhang

Hyung-Nam Choi

Xin Guo

Weiwei Wang

Yuantao Zhang

Karthikeyan Ganesan

Qinyan Jiang

Majid Ghanbarinejad

Tingfang Tang

Yibin Zhuo

Zhaojun Li

Robert Tristan Love

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

Apparatuses, methods, and systems are disclosed for selecting a base unit in response to a handover condition being triggered. One method () includes selecting () a base unit of multiple base units for handover in response to at least one base unit of the multiple base units triggering a handover condition. The method () includes transmitting () a random access preamble to the base unit. The method () includes performing () a reestablishment procedure to establish communication with one base unit of the multiple base units in response to determining an inability to access each base unit of the multiple base units that meets the handover condition.

Selecting a base unit in response to a handover condition being triggered

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

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: transmitting, at an access node, a failure information message to a base station, wherein the access node is connected to the base station via a master node and a secondary node, and wherein the failure information message includes a failure type of a backhaul link. The failure type is based on a failure type set including at least the following: an expiry of a physical layer problem timer, a random access problem, and reaching a maximum number of retransmission in response to radio link failure (RLF).

Method and apparatus for reporting failure information in a communication system

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 disclosure relates to a method and apparatus for transmission of control signals. The method is performed by a NodeB including a central unit (CU) and a distributed unit (DU). The method comprises transmitting a first channel indication and a first data unit from the CU to the DU, the DU transmitting the multicast and broadcast services (MBS) configuration to user equipment (UE) over a first channel indicated by the first channel indication, the DU receiving a first completion indication from the UE, and transmitting the first completion indication from the DU to the CU. The first data unit includes a MBS configuration.

Method and apparatus for transmission of control signals

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

Disclosed are methods and apparatus for performing sidelink control information reception for sidelink on a user equipment configured with discontinuous reception functionality. One embodiment of the subject application provides a method performed by a user equipment, including configuring, for a first user equipment configured with Mode 2 resource selection for sidelink and configured with discontinuous reception functionality, a period during which the first user equipment performs sidelink control information reception or during which at least one resource sensing result obtained by at least one other user equipment is requested by the first user equipment, and performing sidelink control information reception at least during the period or receiving the at least one resource sensing result from the at least one other user equipment.

Methods and apparatuses for sidelink control information reception

Embodiments of the present disclosure relate to methods and apparatus for dynamic FDM between a parent link and a child link in an IAB network. According to an embodiment of the present disclosure, a method includes: receiving indication information from a parent node of an IAB node, wherein the indication information indicates at least one frequency domain resource of an operating band associated with one of a parent link between the IAB node and the parent node and a child link between the IAB node and a child node of the IAB node; and determining a set of frequency domain resources for the child link from the operating band at least based on the indication information.

Methods and apparatus for dynamic FDM between parent link and child link in IAB network

A method for performing random access includes: performing a 2-step RA procedure with a BS (S); receiving a fallback RAR from BS (S); performing a 4-step RA procedure with BS (S); and associating a 2-step RA information of the 2-step RA procedure with a 4-step RA information of the 4-step RA procedure (S).

Method and apparatus for performing random access

Apparatuses, methods, and systems are disclosed for sidelink communication using multiple protocol stacks. One method () includes assigning () a first protocol stack of a device to network communications. The method () includes assigning () a second protocol stack of the device to sidelink communications. The method () includes generating (), at the second protocol stack, first information based on arrival of data in a sidelink logical channel. The method () includes transmitting () the first information from the second protocol stack to a network device via the first protocol stack.

Sidelink communication using multiple protocol stacks

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

Embodiments of the present application relate to methods and apparatuses for processing a radio link failure (RLF) of a target master cell group (MCG) during a dual active protocol stack (DAPS) handover procedure. According to an embodiment of the present application, a method includes: receiving a radio resource control (RRC) reconfiguration message, wherein the RRC reconfiguration message includes dual active protocol stack (DAPS) configuration information and a reconfiguration with synchronization information element; synchronizing to a target master node (MN); synchronizing to a target secondary node (SN) in response to a bearer associated with a secondary cell group (SCG) being configured; and upon detecting a radio link failure (RLF) of a target MCG, initiating a fast MCG link recovery procedure during a DAPS handover procedure. In addition, both SN and MN in a source connection are released in response to receiving an indication from a target connection indicating to release the source connection.

Methods and apparatuses for processing a radio link failure (RLF) during a dual active protocol stack (DAPS) handover procedure

Apparatuses, methods, and systems are disclosed for integrated access and backhaul node configuration. One method includes receiving, at a first integrated access and backhaul node, a resource configuration corresponding to a second integrated access and backhaul node, wherein the resource configuration comprises information indicating soft resources. The method includes obtaining an activation parameter corresponding to the second integrated access and backhaul node, wherein the activation parameter comprises a first value, a second value, or a combination thereof. The method includes determining whether the activation parameter comprises the first value. The method includes transmitting an availability indication message corresponding to a subset of the soft resources in response to determining that the activation parameter comprises the first value.

Integrated access and backhaul node configuration

Growing community of inventors

Beijing, China

Lianhai Wu