Patents by Inventor Jianfei CAO
Jianfei CAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11843557Abstract: The present disclosure relates to an electronic device and communication method. An electronic device used in a first terminal device side is configured for acquiring configuration information of reference signals of a second cell from a first control device of a first cell, measuring the reference signals based on the configuration information and feeding back information indicating the space beams in the second cell interfering with the first terminal device to the first control device.Type: GrantFiled: August 23, 2022Date of Patent: December 12, 2023Assignee: SONY GROUP CORPORATIONInventor: Jianfei Cao
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Publication number: 20230388978Abstract: The present disclosure provides an electronic device for wireless communication. The electronic device comprises a processing circuit. The processing circuit is configured to: receive, from a user equipment, reporting information about the capability of the user equipment to support multi-frequency domain resource transmission and multi-beam transmission; generate control signaling, wherein the control signaling comprises indication information for indicating frequency domain resources and beams used for communication with the user equipment, and the frequency domain resources and the beams have a binding relationship; and send the control signaling to the user equipment.Type: ApplicationFiled: October 18, 2021Publication date: November 30, 2023Applicant: Sony Group CorporationInventors: Min LIU, Jianfei CAO
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Publication number: 20230387986Abstract: Disclosed are electronic devices and communication methods. An electronic device comprises a processing circuit, the processing circuit being configured to: receive an RRC signaling and/or a MAC CE signaling from a control-side electronic device; determine, based on a first beam indication information of control channel in the RRC signaling and/or the MAC CE signaling, an activated beam for performing a transmission in the physical control channel with the control-side electronic device; rewrite the activated beam based on a second beam indication information of control channel included in a downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and use the rewritten activated beam to perform the transmission in the physical control channel with the control-side electronic device.Type: ApplicationFiled: August 8, 2023Publication date: November 30, 2023Applicant: Sony Group CorporationInventor: Jianfei CAO
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Patent number: 11831575Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.Type: GrantFiled: November 4, 2022Date of Patent: November 28, 2023Assignee: SONY GROUP CORPORATIONInventors: Ziyuan Sha, Zhaocheng Wang, Jianfei Cao
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Patent number: 11824607Abstract: The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a terminal device side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to obtain random access configuration information, and send a random access preamble based on the random access configuration information, so as to indicate one or more transmission beams of a base station side, in a downlink, paired with one or more receiving beams at the terminal device side.Type: GrantFiled: November 4, 2022Date of Patent: November 21, 2023Assignee: SONY GROUP CORPORATIONInventor: Jianfei Cao
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Patent number: 11824806Abstract: An apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, which is configured to: configure a sounding reference signal (SRS) mapping structure for a user equipment on the basis of at least the number of antenna ports of the user equipment and the number of transmitting beams and/or receiving beams to be scanned; and notify the user equipment of the SRS mapping structure, wherein the SRS mapping structure at least comprises SRS resource settings for achieving uplink beam management and channel state information (CSI) acquisition at the same time, thereby reducing the system time delay and improving the uplink resource utilization rate.Type: GrantFiled: March 1, 2023Date of Patent: November 21, 2023Assignee: SONY GROUP CORPORATIONInventors: Jin Xu, Dongru Li, Hang Yang, Xiaofeng Tao, Jianfei Cao
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Publication number: 20230361817Abstract: The present disclosure relates to electronic device, communication method and storage medium in a wireless communication system. There is provided an electronic device on side of control device, comprising a processing circuitry configured to: select one or more transmitting beams to be used for downlink transmission with a user equipment based on beam information reported by the user equipment; and control to indicate the one or more transmitting beams to the user equipment, wherein, the processing circuitry is configured to perform the selecting of transmitting beams according to a beam reporting mode of the user equipment, and to select a plurality of transmitting beams in case where the user equipment reports the beam information in a group-based beam reporting mode.Type: ApplicationFiled: June 28, 2023Publication date: November 9, 2023Applicant: Sony Group CorporationInventor: Jianfei CAO
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Publication number: 20230362687Abstract: Provided are an electronic device, a wireless communication method, and a non-transitory computer-readable storage medium. The electronic device comprises a processing circuit. The processing circuit is configured to: respectively receive a pre-configured first reference signal set and a pre-configured second reference signal set from a first transmission and reception point and a second transmission and reception point, wherein each reference signal set comprises at least one reference signal; determine, on the basis of the measured signal quality of each reference signal in each reference signal set, a beam failure reference signal in which a beam failure event occurs; and transmit, when it is determined that a beam failure event occurs in at least one reference signal, a beam failure recovery request to a base station. (FIG.Type: ApplicationFiled: October 15, 2021Publication date: November 9, 2023Applicant: Sony Group CorporationInventors: Jin XU, Ying ZHOU, Xinli WANG, Xiaofeng TAO, Jianfei CAO
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Patent number: 11804888Abstract: The present invention relates to an electronic device, a wireless communication method and a computer-readable medium. The electronic apparatus for wireless communication according to one embodiment comprises a processing circuit. The processing circuit is configured to perform control to carry out carrier aggregation communication with a base station by means of at least a first cell and a second cell. The processing circuit is further configured to perform control to send first information for beam failure recovery of the second cell to the base station by means of the first cell.Type: GrantFiled: January 6, 2020Date of Patent: October 31, 2023Assignee: SONY GROUP CORPORATIONInventors: Jin Xu, Wenjing Ren, Ying Zhou, Dongru Li, Qimei Cui, Jianfei Cao
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Publication number: 20230318177Abstract: An electronic device comprises a processing circuit configured to: acquire multiple pieces of channel information, which are obtained via multiple channel measurements, about an equivalent channel between a first communication device and a second communication device, wherein in each channel measurement, the second communication device obtains a piece of channel information on the basis of a received reference signal sent from the first communication device, and a reflection signal sent by an intelligent reflecting surface between the first communication device and the second communication device using a corresponding group of reflection parameters to reflect the reference signal; and by means of performing joint processing on multiple groups of reflection parameters used in the multiple channel measurements and the multiple pieces of acquired channel information, determine channel estimations of multiple integration sub-channels which are capable of representing the equivalent channel together with the refleType: ApplicationFiled: September 18, 2021Publication date: October 5, 2023Applicant: Sony Group CorporationInventors: Zhengyi ZHOU, Zhaocheng WANG, Ning GE, Jianfei CAO
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Publication number: 20230318663Abstract: The present disclosure relates to electronic device, communication method and storage medium in a wireless communication system. There is provided an electronic device on user device side, comprising a processing circuitry configured to: receive, from a control device, configuration on an association between a first reference signal and a second reference signal; receive, from the control device, an indication for the first reference signal; and in response to the indication for the first reference signal, implement reception of a third reference signal by using spatial reception parameters for the second reference signal based on the association between the first reference signal and the second reference signal.Type: ApplicationFiled: June 5, 2023Publication date: October 5, 2023Applicant: Sony Group CorporationInventor: Jianfei CAO
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Patent number: 11757510Abstract: Disclosed are electronic devices and communication methods. An electronic device comprises a processing circuit, the processing circuit being configured to: receive an RRC signaling and/or a MAC CE signaling from a control-side electronic device; determine, based on a first beam indication information of control channel in the RRC signaling and/or the MAC CE signaling, an activated beam for performing a transmission in the physical control channel with the control-side electronic device; rewrite the activated beam based on a second beam indication information of control channel included in a downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and use the rewritten activated beam to perform the transmission in the physical control channel with the control-side electronic device.Type: GrantFiled: July 15, 2022Date of Patent: September 12, 2023Assignee: SONY GROUP CORPORATIONInventor: Jianfei Cao
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Publication number: 20230262700Abstract: The present disclosure relates to an electronic device, a wireless communication method, and a computer-readable storage medium. The electronic device according to the present disclosure comprises a processing circuit that is configured to: generate downlink control information (DCI), which comprises scheduling information of a first channel used by the electronic device to transmit data to a relay user equipment (UE) and scheduling information of a second channel used by the relay UE to forward the data to a remote UE, the size of the DCI being the same as that of a DCI format for downlink scheduling or a DCI format for direct link scheduling; and transmit the generated DCI to the relay UE. By using the electronic device, wireless communication method, and computer-readable storage medium according to the present disclosure, a resource scheduling process in a data transmission process using relay technology can be simplified, thereby reducing delay.Type: ApplicationFiled: July 29, 2021Publication date: August 17, 2023Applicant: Sony Group CorporationInventors: Min LIU, Jianfei CAO, Chen SUN
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Patent number: 11722183Abstract: The present disclosure relates to electronic device, communication method and storage medium in a wireless communication system. There is provided an electronic device on side of control device, comprising a processing circuitry configured to: select one or more transmitting beams to be used for downlink transmission with a user equipment based on beam information reported by the user equipment; and control to indicate the one or more transmitting beams to the user equipment, wherein, the processing circuitry is configured to perform the selecting of transmitting beams according to a beam reporting mode of the user equipment, and to select a plurality of transmitting beams in case where the user equipment reports the beam information in a group-based beam reporting mode.Type: GrantFiled: September 23, 2019Date of Patent: August 8, 2023Assignee: SONY CORPORATIONInventor: Jianfei Cao
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Publication number: 20230239020Abstract: An electronic device, a wireless communication method, and a computer-readable storage medium. The electronic device comprises a processing circuit, configured to send two reference signals using identical time-frequency resources and respectively using two beams in a beam pair, wherein a spatial distance between the two beams in the beam pair is greater than a predetermined value, and the two reference signals satisfy a predetermined constraint relation. The efficiency of a beam training process can be improved, and the time consumption of the beam training process is reduced, thereby achieving a compromise between beam training overheads and beamforming gains.Type: ApplicationFiled: July 20, 2021Publication date: July 27, 2023Applicant: Sony Group CorporationInventors: Ke MA, Wendong LIU, Zhaocheng WANG, Jianfei CAO
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Patent number: 11711133Abstract: An electronic device that includes a processing circuit configured to: receive information about a number N of candidate transmit beams from a user device, where N is an integer greater than 1; select from the N candidate transmit beams a transmit beam for sending downlink information to the user device; and determine, on the basis of the selected transmit beam, a transmission configuration indication (TCI) state, and send the TCI state to the user device. The electronic device, the wireless communication method and the computer readable storage medium enable a network-side device to notify the user device of the information about transmit beams.Type: GrantFiled: May 11, 2022Date of Patent: July 25, 2023Assignee: SONY GROUP CORPORATIONInventors: Jin Xu, Dongru Li, Wenjing Ren, Hang Yang, Xiaofeng Tao, Jianfei Cao
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Patent number: 11695451Abstract: The present disclosure relates to electronic device, communication method and storage medium in a wireless communication system. There is provided an electronic device on user device side, comprising a processing circuitry configured to: receive, from a control device, configuration on an association between a first reference signal and a second reference signal; receive, from the control device, an indication for the first reference signal; and in response to the indication for the first reference signal, implement reception of a third reference signal by using spatial reception parameters for the second reference signal based on the association between the first reference signal and the second reference signal.Type: GrantFiled: November 26, 2019Date of Patent: July 4, 2023Assignee: SONY GROUP CORPORATIONInventor: Jianfei Cao
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Publication number: 20230208476Abstract: The present application relates to an electronic device, a wireless communication method, and a computer-readable storage medium. The electronic device comprises a processing circuit, and is configured to: configure, for a user equipment, multiple TCI states respectively corresponding to multiple transmitted beams, wherein the multiple transmitted beams are from at least two cells; and send indication information to the user equipment to indicate two or more TCI states of the multiple TCI states, or send activation information to the user equipment to activate the two or more TCI states of the multiple TCI states. By means of the electronic device, the wireless communication method and the computer-readable storage medium of the present application, the configuration, activation, and dynamic indication process of TCI states can be optimized.Type: ApplicationFiled: February 10, 2021Publication date: June 29, 2023Applicant: Sony Group CorporationInventor: Jianfei CAO
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Publication number: 20230208583Abstract: An apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, which is configured to: configure a sounding reference signal (SRS) mapping structure for a user equipment on the basis of at least the number of antenna ports of the user equipment and the number of transmitting beams and/or receiving beams to be scanned; and notify the user equipment of the SRS mapping structure, wherein the SRS mapping structure at least comprises SRS resource settings for achieving uplink beam management and channel state information (CSI) acquisition at the same time, thereby reducing the system time delay and improving the uplink resource utilization rate.Type: ApplicationFiled: March 1, 2023Publication date: June 29, 2023Applicant: Sony Group CorporationInventors: Jin XU, Dongru LI, Hang YANG, Xiaofeng TAO, Jianfei CAO
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Publication number: 20230199584Abstract: An electronic device and a method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: acquire, from a base station, configuration information containing a first candidate beam set for beam failure recovery, the first candidate beam set comprising candidate beams of a serving cell and candidate beams of a non-serving cell; and determine, on the basis of the first candidate beam set and/or a second candidate beam set, an identification candidate beam to be used for beam failure recovery, the second candidate beam set comprising beams which serve as candidate beams of the non-serving cell and are detected by user equipment.Type: ApplicationFiled: June 7, 2021Publication date: June 22, 2023Applicant: Sony Group CorporationInventors: Jin XU, Xinli WANG, Ying ZHOU, Jianfei CAO