Motorola Mobility LLC

Lenovo (beijing) Limited

Fujitsu Corporation

Nokia Technologies Oy

Fujitsu Connected Technologies Limited

Nokia Solutions and Networks Oy

Lenovo Limited

Hongchao Li

Vijay Nangia

Haipeng Lei

Hua Zhou

Lianhai Wu

Xiaodong Yu

Yi Zhang

Chenxi Zhu

Hongmei Liu

Yuantao Zhang

Zhuoyun Zhang

Yi Wang

Haiming Wang

Jing Han

Zhi Yan

Jianming Wu

Jingyuan Sun

Zhuyan Zhao

Yueqiao Xu

Deshan Miao

Zhennian Sun

Jian Zhang

Hyejung Jung

Klaus Ingemann Pedersen

Lei Song

Lingling Xiao

Yanji Zhang

Mihai Enescu

Joachim Löhr

Jie Shi

Naizheng Zheng

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

Apparatuses, methods, and systems are disclosed for sidelink control information indication. One apparatus includes a receiver that receives a second control information message from a remote unit over sidelink communication. Here, the second control information is in response to the remote unit receiving one or more data processes scheduled by a first control information message from a relay unit. The apparatus also includes a processor that determines a transmission-reception pattern for the sidelink communication and generates an indicator of the determined transmission-reception pattern. The apparatus further includes a transmitter that transmits the indicator of the determined transmission-reception pattern to the remote unit in a third control information message.

Sidelink control information indication

Apparatuses, methods, and systems are disclosed for resource reservation. One apparatus includes a receiver that receives an indication of resource reservation for uplink communication. The indication is based on information reported from a first remote unit. The apparatus also includes a processor that determines a resource based on the indication. The apparatus includes a transmitter that transmits data on the resource.

Resource reservation

The present disclosure is directed to a method and apparatus for allocating PUCCH resource for HARQ-ACK and CSI transmission. According to an embodiment of the present disclosure, a method includes determining whether a HARQ-ACK transmission overlaps with a CSI transmission in time domain; in response to the HARQ-ACK transmission overlapping with the CSI transmission in the time domain, determining whether the sum of the UCI bits for the HARQ-ACK transmission and the UCI bits for the CSI transmission is within a UCI payload threshold supported by at least a PUCCH resource or at least a PUCCH resource set configured for the HARQ-ACK transmission; and allocating a PUCCH resource to the HARQ-ACK transmission and the CSI transmission based on whether the sum of the UCI bits for the HARQ-ACK transmission and the UCI bits for the CSI transmission is within the UCI payload threshold supported by the at least one PUCCH resource or at least one PUCCH resource sets.

Method and apparatus for allocating PUCCH resources to HARQ-ACK and CSI transmissions

Apparatuses, methods, and systems are disclosed for communication configuration selection. One apparatus includes a receiver that receives configuration information for multiple communication configurations. The configuration information corresponds to services having different performance requirements, and the performance requirements include latency, reliability, peak data rate, efficiency overhead, control overhead, system capacity, or some combination thereof. The apparatus also includes a processor that selects a communication configuration of the multiple communication configurations. The apparatus communicates using the selected communication configuration.

Communication configuration selection

Apparatuses, methods, and systems are disclosed for beam switching. One apparatus includes a transmitter transmits information indicating a beam switch request, measurement results, or some combination thereof, wherein the information indicates a list of beams, and the information is based on a trigger event, the measurement results, or some combination thereof.

Indicating a beam switch request

The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method comprises: receiving a broadcasting message from a base station, wherein the broadcasting message indicates that the base station supports relaying function.

Method and apparatus for relay discovery

The present disclosure is directed to a method and apparatus for HARQ-ACK and SR transmission. According to an embodiment of the present disclosure, a method may include: configuring a first PUCCH resource for a HARQ-ACK transmission and a second PUCCH resource for a SR transmission; determining whether the HARQ-ACK transmission in the first PUCCH resource overlaps with the SR transmission in the second PUCCH resource in time domain; and in response to that the HARQ-ACK transmission in the first PUCCH resource overlaps with the SR transmission in the second PUCCH resource, at least dropping the exactly overlapped part of one of the HARQ-ACK transmission in the first PUCCH resource and the SR transmission in the second PUCCH resource.

Method and apparatus for HARQ-ACK and SR transmission

Apparatuses, methods, and systems are disclosed for transmitting and/or receiving an indication for a transmission scheme. One method includes determining a transmission scheme for transmitting a first channel. The method includes transmitting an indication of the transmission scheme to a base unit. The indication is based on the transmission scheme.

Indication for a transmission scheme

The present disclosure is related to a method and apparatus for DMRS transmission. According an embodiment of the disclosure, a method including determining at least one antenna port for a user equipment (UE); determining a demodulation reference signal (DMRS) resource for each of the at least one antenna port respectively; determining the number of symbols for carrying the determined DMRS resource in time domain; and indicating the determined DMRS resource of each of the at least one antenna port to the UE. Embodiments of the disclosure solve the technical problem of indicating DMRS resource and determining symbol/subcarriers for carrying the DMRS resource during DMRS transmission.

Method and apparatus for DMRS transmission

A base station including: a controller configured to configure a plurality of configuration information, each of the plurality of configuration information includes resource configuration information, a number of antenna ports, and power control information; and a transmitter configured to transmit to terminal a control signal including the plurality of configuration information, wherein, the transmitter transmits to terminal an indication information that indicates configuration information to be used for measurement among the plurality of the configuration information.

Information configuration method, information configuration apparatus and communication system

Apparatuses, methods, and systems are disclosed for determining a transmission scheme. One method () includes receiving () data at a buffer at a first time. The method () also includes determining () a transmission scheme for transmitting the data based on whether a second time corresponding to a scheduling request resource or a third time corresponding to a grant-free resource is closer in time to the first time. The method () includes transmitting () the data using the transmission scheme.

Determining a transmission scheme

Apparatuses, methods, and systems are disclosed for scheduling request indication. One apparatus () includes a transmitter () that transmits () a scheduling request in response to data arriving at a buffer. The scheduling request includes an indication of a traffic type, a requested number of scheduling transmissions, an expected number of transmissions, an expected scheduling interval, a latency requirement, or some combination thereof. The apparatus () also includes a receiver () that receives () an uplink grant in response to transmitting the scheduling request. The transmitter () transmits () the data in response to receiving the uplink grant.

Scheduling request indication

Various communication systems may benefit from improved transmissions. For example, a network transmission may benefit from improved throughput and efficiency in non-schedule multiple access communications. A method includes selecting at a user equipment operating in a non-scheduled access scheme at least one of a first codeword or a second codeword based on an amount of data. The data in the non-scheduled access scheme can be spread according to a spreading sequence. The method also includes determining a transport block size for at least one of the first codeword or the second codeword. In addition, the method includes transmitting the data from the user equipment to a network node using at least one of the first codeword or the second codeword.

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Beijing, China

Hongchao Li