公开(公告)号：EP4017188A1

公开(公告)日：2022-06-22

申请号：EP19941696.7

申请日：2019-08-15

Applicant: FUJITSU LIMITED

Inventor： CHEN, Zhe ,  SONG, Lei ,  ZHANG, Jian ,  ZHANG, Lei ,  WANG, Xin

IPC: H04W72/12

Abstract: Embodiments of this disclosure provide a signal transmission method and apparatus and a communication system. The signal transmission method includes: a terminal equipment generates a first feedback signal at least according to a first set, the first set at least including two SPS PDSCH receptions, and the SPS PDSCH receptions of the first set corresponding to identical bandwidth parts (BWPs) or component carriers (CCs) or serving cells or identical BWPs of identical serving cells; and the terminal equipment transmits the first feedback signal.

公开(公告)号：EP4383927A1

公开(公告)日：2024-06-12

申请号：EP21952369.3

申请日：2021-08-05

Applicant: Fujitsu Limited

Inventor： JIA, Meiyi ,  CHEN, Zhe ,  ZHANG, Lei

IPC: H04W76/19

CPC classification number: H04W76/19

Abstract: Embodiments of this disclosure provide a beam failure processing method and apparatus, an information transmitting method and apparatus. The processing apparatus includes: receive configuration information transmitted by a network device, the configuration information configuring TRP-specific beam failure detection (BFD) and/or TRP-specific beam failure recovery (BFR) related to at least two transmission/reception points (TRPs) for the terminal equipment; and a first processing unit configured to, when a beam failure is detected or beam failure recovery is triggered on the at least two TRPs and the at least two TRPs are associated with the same cell, or when a beam failure is detected or beam failure recovery is triggered on a designated TRP, trigger BFR of a cell or not to trigger BFR of a cell or initiate a random access procedure.

公开(公告)号：EP4383877A1

公开(公告)日：2024-06-12

申请号：EP21952354.5

申请日：2021-08-05

Applicant: FUJITSU LIMITED

Inventor： CHEN, Zhe ,  ZHANG, Lei ,  WANG, Xin

IPC: H04W72/04

CPC classification number: H04W72/04

Abstract: Embodiments of this disclosure provide a signal transmission method and apparatus, and a system. The method includes: receiving first indication information and second indication information by a terminal equipment, the first indication information indicating the terminal equipment to transmit a first uplink signal, and the second indication information indicating the terminal equipment to transmit a second uplink signal; and determining an uplink power control parameter of the second uplink signal by the terminal equipment according to a transmit power control command received between a first time point and a second time point; wherein the first uplink signal corresponds to a first uplink signal transmission occasion, and the second uplink signal corresponds to a second uplink signal transmission occasion; the first time point is prior to the first uplink signal transmission occasion, the second time point is prior to the second uplink signal transmission occasion; and a time interval between the first time point and/or the second time point and the corresponding uplink signal transmission occasion is determined according to one of two associated PDCCH candidates or is related to whether the terminal equipment monitors control information of two associated PDCCH candidates.

公开(公告)号：EP4231766A1

公开(公告)日：2023-08-23

申请号：EP20957101.7

申请日：2020-10-15

Applicant: FUJITSU LIMITED

Inventor： CHEN, Zhe ,  ZHANG, Lei ,  ZHANG, Jian ,  JIANG, Qinyan

IPC: H04W76/19 ,  H04L5/00

Abstract: Embodiments of this disclosure provide a wireless communication method and apparatus and a system. The method is applicable to a terminal equipment, the terminal equipment being related to at least two TRPs, wherein the method includes: the terminal equipment monitors second downlink control information according to an antenna port QCL parameter the same as an antenna port QCL parameter associated with a first reference signal after the terminal equipment receives first downlink control information associated with beam failure or link failure; wherein, the first reference signal is associated with a first TRP in the at least two TRPs, a TRP associated with the second downlink control information is identical to the first TRP associated with the first reference signal, and the first reference signal is identified from at least one reference signal for beam recovery.

公开(公告)号：EP4037365A1

公开(公告)日：2022-08-03

申请号：EP19946583.2

申请日：2019-09-29

Applicant: FUJITSU LIMITED

Inventor： CHEN, Zhe ,  ZHANG, Lei ,  SONG, Lei ,  WANG, Xin

IPC: H04W16/28

Abstract: Embodiments of this disclosure provide a wireless communication method and apparatus and a communication system. The wireless communication method includes: a terminal equipment receives an indication information set; and the terminal equipment determines a priority of a first uplink signal according to the indication information set, the first uplink signal being an uplink signal used for beam failure recovery.

公开(公告)号：EP4037223A1

公开(公告)日：2022-08-03

申请号：EP19946403.3

申请日：2019-09-29

Applicant: FUJITSU LIMITED

Inventor： SONG, Lei ,  CHEN, Zhe ,  ZHANG, Lei ,  WANG, Xin

IPC: H04L5/00

Abstract: A transmission method and apparatus for a phase tracking reference signal. the apparatus is applicable at a terminal equipment side and includes: a first receiving unit configured to receive configuration information or indication information transmitted by a network device, the configuration information or indication information being used for indicating that a terminal equipment receives at least two versions of a transport block in a scheduling unit; and a first determining unit configured to determine an association relationship between a PTRS antenna port and a DMRS antenna port according to the configuration information, the indication information or a predefined rule.

公开(公告)号：EP3952554A1

公开(公告)日：2022-02-09

申请号：EP19920675.6

申请日：2019-03-28

Applicant: FUJITSU LIMITED

Inventor： CHEN, Zhe ,  SONG, Lei ,  YANG, Xianjun ,  ZHANG, Lei ,  WANG, Xin

IPC: H04W72/12 ,  H04L1/00 ,  H04L5/00

Abstract: This disclosure provides a signal reception or transmission method and apparatus and a communication system. The signal reception or transmission method includes: a terminal equipment receives downlink control information, the number of bits of at least one of fields of the downlink control information being less than the number of bits of a corresponding field of regular downlink control information; and the terminal equipment receives or transmits a signal scheduled by the downlink control information according to spatial direction indication of the downlink control information. According to this disclosure, the terminal equipment and the network device may receive or transmit a corresponding signal by using accurate power and spatial direction, thereby improving reliability of signal reception or transmission.

公开(公告)号：EP3739788A1

公开(公告)日：2020-11-18

申请号：EP18899377.8

申请日：2018-01-11

Applicant: FUJITSU LIMITED

Inventor： SONG, Lei ,  ZHANG, Lei ,  WANG, Xin ,  CHEN, Zhe ,  ZHANG, Guoyu

IPC: H04L5/00 ,  H04W72/04

Abstract: A signal reception apparatus and method and a communications system. As the starting position of the time domain resource section used for receiving signals is determined according to the predefined or preconfigured reference time domain resource section, time domain resources on which receiving beams determined by the network device and the terminal equipment are based are uniform, thereby avoiding mismatch of the network device and the terminal equipment in receiving and transmitting beams and ensuring transmission reliability of the system.

公开(公告)号：EP4440199A1

公开(公告)日：2024-10-02

申请号：EP21965162.7

申请日：2021-11-25

Applicant: FUJITSU LIMITED

Inventor： ZHANG, Lei ,  JIANG, Qinyan ,  CHEN, Zhe ,  WANG, Xin

IPC: H04W40/22 ,  H04L5/00

CPC classification number: H04W40/22 ,  H04L5/00

Abstract: Embodiments of the present disclosure provide a repeater, a network device and a communication method thereof. The communication method comprises: transmitting, by a network device, first indication information to a repeater, wherein the first indication information is used to indicate a group of time units, a first time unit in the group of time units being available for the repeater to transmit a first signal generated by the repeater to the network device, and a second time unit in the group of time units being available for the repeater to transmit a second signal not generated by the repeater to the network device.

公开(公告)号：EP4319011A1

公开(公告)日：2024-02-07

申请号：EP21934065.0

申请日：2021-04-02

Applicant: FUJITSU LIMITED

Inventor： CHEN, Zhe ,  WANG, Xin

IPC: H04L5/00

Abstract: Embodiments of this disclosure provide a method and apparatus for transmitting uplink data and a system. The method includes: a terminal equipment receives a PDCCH transmitted by a network device, the PDCCH indicating the terminal equipment to transmit PUSCH retransmission, wherein CRC to which the PDCCH corresponds is scrambled by a CS-RNTI, and an NDI field of the PDCCH is 1; and the terminal equipment transmits the PUSCH retransmission according to a first power control parameter in a configured grant (CG) configuration to which the PUSCH retransmission corresponds, the first power control parameter including at least one of the following: P0, Alpha, a pathloss reference signal (PL-RS), and a closed-loop index, and the first power control parameter being related to at least one of the following factors: a power control indication to which the PDCCH corresponds; an SRS resource indication to which the PDCCH corresponds; and an SRS resource set used for PUSCH transmission and configured for the terminal equipment.