Fujitsu Corporation

Sony Corporation

Sony Group Corporation

Qinyan Jiang

Lei Zhang

Meiyi Jia

Xin Wang

Qimei Cui

Hui Liang

Chen Sun

Xin Guo

Yanzhao Hou

Guoyu Zhang

Shiwei Cao

Shiyu Zhang

Tong Zhang

Hua Zhou

Tsuyoshi Shimomura

Yang Lu

Weijuan Gao

Jian Zhang

Zhongbin Qin

Wei Xi

Guorong Li

Jinhui Chen

Zhe Chen

Yuxin Wei

Lianhai Wu

Lei Song

A random access method and apparatus. The apparatus includes: a transmitter configured to transmit a first message containing a random access preamble to a network device; and a detector configured to detect downlink control information transmitted by the network device, the downlink control information being used to schedule a second message containing a random access response, cyclic redundancy check (CRC) of the downlink control information being scrambled by using an identification parameter, and a parameter used for calculating the identification parameter at least including a first index, the first index indicating a position of a slot for transmitting the random access preamble in a system frame, wherein at least two slots in a system frame have identical first index, or the number of slots having the first indices in the system frame is less than the number of slots contained in the system frame and first indices of slots having the first indices are different.

Random access method and apparatus

An SSB-based measurement method and apparatus, in which a first measurement result of a first cell is obtained according to at least one of QCL relationships between SSBs to which the first cell corresponds, an SSB transmission restriction to which the first cell corresponds and a detection result of SSBs of the first cell, and measurement information of the first cell is generated according to the first measurement result of the first cell and reported.

SSB-based measurement method and apparatus

An uplink transmission method, an uplink scheduling method, apparatuses thereof and a system. The uplink transmission method includes: a terminal equipment performs channel detection on two or more bandwidth units of a carrier; and transmits uplink transmission on at least one bandwidth unit according to a result of the channel detection by the terminal equipment, the at least one bandwidth unit being detected as being idle. The terminal equipment may perform channel detection on two or more bandwidth units of a carrier, and determine whether the bandwidth units are busy or idle.

Uplink transmission method, uplink scheduling method, apparatuses thereof and system

A random access configuration method, a signal transmission method, apparatuses thereof and a system. The random access configuration method includes: a network device transmits first indication information, the first indication information including at least one of the following information: random access channel configuration index (first index); time gap between random access resources which are neighboring to each other in time domain; invalid random access resource(s); at least two time-domain starting positions of a random access resource; time-domain ending position of a random access resource; number of channel access attempts; and type of channel access. Hence, sufficient time gaps or more opportunities between neighboring random access resources may be guaranteed by the random access configuration method for performing channel detection, and the terminal equipment may perform channel detection accordingly and transmit msg.1 on a random access resource.

Random access configuration method, signal transmission method, apparatuses thereof and system

Method and apparatus for indicating an LBT failure. The method is applicable to a terminal equipment and includes: in a case where a lower layer or a higher layer determines that a first condition and/or a second condition are/is satisfied, notifying or indicating the LBT failure by the lower layer to the higher layer; and/or in a case where the lower layer or the higher layer determines that the first condition and/or a third condition are/is not satisfied, not notifying or indicating the LBT failure by the lower layer to the higher layer, or stopping notifying or indicating the LBT failure by the lower layer to the higher layer.

Method and apparatus for indicating an LBT failure

A random access method and apparatus and a communication system. The apparatus includes a first processor circuit, the first processor circuit being configured to: receive resource configuration of contention-free random access, the resource configuration of contention-free random access comprising resource configuration of second type contention-free random access (CFRA); and perform a second type contention-free random access procedure according to the resource configuration of the second type CFRA, wherein the resource configuration of the second type CFRA comprises a second type CFRA preamble index associated with a synchronization signal block (SSB) or a channel state information reference signal (CSI-RS), configuration of a physical random access channel occasion (RO) of a second message (MsgA), and configuration of a physical uplink shared channel (PUSCH) of the MsgA.

Random access method and apparatus and communication system

An uplink transmission method and apparatus. The method includes: calculating a length of cyclic prefix extension according to a length of symbols of a number of a predetermined value preceding a first symbol of uplink transmission, or calculating a length of cyclic prefix extension according to a predetermined value and a predefined symbol length, by a terminal equipment; and transmitting the cyclic prefix extension and the uplink transmission.

Uplink transmission method and apparatus

An uplink transmission method and apparatus. The method includes: receiving by a terminal equipment indication information, wherein the indication information does not include an indication field used for indicating RB set, the indication information scheduling uplink transmission on an uplink bandwidth part including at least two resource block sets; and transmitting the uplink transmission on at least one predefined or preconfigured resource block set.

A wireless communication method and device and a communication system. The method includes: a terminal equipment receives a downlink data signal at a time unit n, the downlink data signal including activation/deactivation command acting on a secondary cell; and the terminal equipment performs at least one of the following processing: applying corresponding actions not earlier than a time unit n+k+1; applying actions related to a deactivation timer of the secondary cell at the time unit n+k+1; and applying actions related to CSI report after a time unit n+k, the CSI report being related to or corresponding to the activation/deactivation command, and the time unit referring to a time unit corresponding to transmission of an uplink control signal, the uplink control signal carrying HARQ-ACK information corresponding to the downlink data signal.

Wireless communication method and device and communication system

A terminal device includes: a receiver configured to: receive RRC signaling for configuring one or a plurality of channel access types, the one or the plurality of channel access types including at least one of the following: a first channel access type not performing channel detection, a second channel access type containing a detection interval, a third channel access type containing a detection interval and a contention window, and receive downlink control information (DCI) indicating a channel access type of a Physical Uplink Control Channel (PUCCH) used for transmitting HARQ feedback information from the one or the plurality of channel access types; and a transmitter configured to transmit the PUCCH according to the channel access type of the PUCCH.

Method and apparatus for transmitting and receiving uplink control information

Methods and apparatus for transmitting a signal and a communication system. The apparatus includes a receiver configured to: receive a first synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), the first synchronization signal/physical broadcast channel block being not located on a first synchronization raster; and receive physical downlink control channel (PDCCH), the physical downlink control channel (PDCCH) being used to schedule a physical downlink shared channel (PDSCH) for carrying remaining minimum system information/system information block 1 (RMSI/SIB1).

Method and apparatus for transmitting signal and communication system

Embodiments of this disclosure provide a random access method and apparatus and a system. The method includes: a terminal equipment selects (or determines) a first downlink reference signal and/or a second downlink reference signal, there existing a quasi co-location (QCL) relationship between the first downlink reference signal and the second downlink reference signal; and the terminal equipment determines a random access resource according to the first downlink reference signal and/or the second downlink reference signal.

A resource determination method, a resource scheduling method and apparatuses thereof. The method includes: receiving, by a terminal equipment, indication information transmitted by a network device, and receiving resource scheduling information transmitted by the network device, the indication information being used to determine whether a spacing bandwidth resource belongs to a scheduling bandwidth resource; and determining a size of a transport block according to the indication information and the resource scheduling information.

Resource determination method, resource scheduling method and apparatuses thereof

Methods and apparatuses for transmitting and receiving an uplink signal. The method includes: receiving first indication information by a terminal equipment, the first indication information being used to indicate at least one semi-statically configured or semi-persistently scheduled time-frequency resource; receiving physical layer signaling, the physical layer signaling being used to indicate a first starting position within a time domain range of one or more time-frequency resource(s) in the at least one time-frequency resource; and transmitting an uplink signal starting from the first starting position on the one or more time-frequency resource(s).

Methods and apparatuses for transmitting and receiving uplink signal

Methods and apparatuses for data transmission and reception are provided. The method includes: transmitting data scheduling control information by a network device to a terminal equipment; transmitting first indication information used for indicating one or more frequency-domain bandwidth resources by the network device to the terminal equipment; and receiving by the network device the uplink data transmitted by the terminal equipment.

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Beijing, China

Qinyan Jiang