公开(公告)号：US10298341B2

公开(公告)日：2019-05-21

申请号：US15531291

申请日：2015-10-15

Applicant: SONY CORPORATION

Inventor： Zaichen Zhang ,  Rong Zeng ,  Liang Wu

IPC: H04B17/336 ,  H04L25/03 ,  H04L25/02

Abstract: A transmitting device and a receiving device. The receiving device includes: a signal to noise ratio measuring device, configured to measure a signal to noise ratio of a pilot frequency aggregation bit stream after demodulation and before coding; a pilot frequency parameter adjusting device configured to adaptively adjust a width of the pilot frequency aggregation and/or interval of pilot frequency clusters according to the signal to noise ratio measured by the signal to noise ratio measuring device; and a frequency parameter reporting device configured to report the width of pilot frequency aggregation and/or the pilot frequency cluster interval adjusted by the pilot frequency parameter adjusting device to the transmitting device.

公开(公告)号：US10944615B2

公开(公告)日：2021-03-09

申请号：US16332800

申请日：2017-10-18

Applicant: Sony Corporation ,  Zaichen Zhang ,  Rong Zeng ,  Pen-shun Lu

Inventor： Zaichen Zhang ,  Rong Zeng ,  Pen-shun Lu

IPC: H04L27/26 ,  H04W56/00 ,  H04L27/00

Abstract: Provided are a control apparatus, device and method for a wireless communication system, a signal processing apparatus and method for a mobile terminal, a mobile terminal and a wireless communication system. The control apparatus comprises: a control circuit, wherein the control circuit is configured to make a plurality of the wireless communication devices send, to a mobile terminal, a plurality of synchronous sequence signals which are different from each other. According to the control apparatus, device and method, the signal processing apparatus and method, the mobile terminal and the wireless communication system in the present disclosure, the influence of a large-carrier frequency offset on the performance of a timing synchronization system can be effectively suppressed and eliminated.

公开(公告)号：US11006380B2

公开(公告)日：2021-05-11

申请号：US16902284

申请日：2020-06-16

Applicant: Sony Corporation

Inventor： Zaichen Zhang ,  Rong Zeng ,  Yuxin Wei ,  Chen Sun

IPC: H04W56/00 ,  H04L27/00 ,  H04B17/336 ,  G01S13/50 ,  H04L27/10 ,  H04W64/00

Abstract: This disclosure relates to an electronic device for wireless communications, and a wireless communication method. The electronic device comprises one or more processors, wherein each processor is configured to respectively conduct space-domain filtering on received signals of a plurality of antennas, respectively; estimate the frequency shift of corresponding received signals based on the signals, on which space-domain filtering is conducted, of various antennas; estimate, according to the estimated frequency shift and a parameter of the space-domain filtering, a Doppler frequency shift generated by the relative motion between transceiving ends of the received signals and a carrier frequency offset generated by frequency inconsistency of the transceiving ends; and conduct frequency preprocessing on sent signals of the antennas according to the estimated Doppler frequency shift, and/or control to feed back information related to the estimated Doppler frequency shift to a signal sending end.

公开(公告)号：US10721023B2

公开(公告)日：2020-07-21

申请号：US16474566

申请日：2017-12-26

Applicant: Sony Corporation

Inventor： Zaichen Zhang ,  Rong Zeng ,  Penshun Lu ,  Chen Sun

IPC: H04L5/12 ,  H04L1/06 ,  H04B7/0456 ,  H04B7/08

Abstract: The disclosure relates to an electronic device, radio communication apparatus, and radio communication method. In one embodiment, an electronic device utilized at base station side comprises a processing circuit configured to: acquire information of an arrival time difference of diversity signals transmitted from two or more base stations to a mobile terminal; determine, on the basis of the information, a precoding matrix utilized in diversity signal transmission to reduce an impact of the arrival time difference on a diversity gain; and utilize the determined precoding matrix to perform precoding on a signal to be transmitted.

公开(公告)号：US10736068B2

公开(公告)日：2020-08-04

申请号：US16378588

申请日：2019-04-09

Applicant: Sony Corporation

Inventor： Zaichen Zhang ,  Rong Zeng ,  Yuxin Wei ,  Chen Sun

IPC: H04W56/00 ,  H04L27/00 ,  H04B17/336 ,  G01S13/50 ,  H04L27/10 ,  H04W64/00

Abstract: This disclosure relates to an electronic device for wireless communications, and a wireless communication method. The electronic device comprises one or more processors, wherein each processor is configured to respectively conduct space-domain filtering on received signals of a plurality of antennas, respectively; estimate the frequency shift of corresponding received signals based on the signals, on which space-domain filtering is conducted, of various antennas; estimate, according to the estimated frequency shift and a parameter of the space-domain filtering, a Doppler frequency shift generated by the relative motion between transceiving ends of the received signals and a carrier frequency offset generated by frequency inconsistency of the transceiving ends; and conduct frequency preprocessing on sent signals of the antennas according to the estimated Doppler frequency shift, and/or control to feed back information related to the estimated Doppler frequency shift to a signal sending end.

公开(公告)号：US10651890B2

公开(公告)日：2020-05-12

申请号：US15572575

申请日：2016-05-13

Applicant: Sony Corporation

Inventor： Zaichen Zhang ,  Rong Zeng

IPC: H04B1/7117 ,  H04B7/08 ,  H03H17/02 ,  H04B1/7105 ,  H04B1/7113

Abstract: The present disclosure provides a device and method for wireless communication and a communication terminal. The device comprises: a spatial filtering unit, configured to perform spatial filtering on a signal received by each antenna in a receiving antenna array, and combine filtered signals, wherein all coefficients adopted by spatial filtering are configured to reduce an equivalent channel time-variant degree of a combined signal.

公开(公告)号：US10299237B2

公开(公告)日：2019-05-21

申请号：US15760802

申请日：2016-09-22

Applicant: Sony Corporation

Inventor： Zaichen Zhang ,  Rong Zeng ,  Yuxin Wei ,  Chen Sun

IPC: H04W56/00 ,  H04L27/00 ,  H04B17/336 ,  G01S13/50 ,  H04L27/10 ,  H04W64/00

Abstract: An electronic device for wireless communications, and a wireless communication method. The electronic device includes: one or more processors, each processor configured to: respectively conduct space-domain filtering on received signals of a plurality of antennas, respectively; estimate frequency shift of corresponding received signals based on the signals, on which space-domain filtering is conducted, of various antennas; estimate, according to the estimated frequency shift and a parameter of the space-domain filtering, a Doppler frequency shift generated by the relative motion between transceiving ends of the received signals and a carrier frequency offset generated by frequency inconsistency of the transceiving ends; and conduct frequency preprocessing on sent signals of the antennas according to the estimated Doppler frequency shift, and/or control to feed back information related to the estimated Doppler frequency shift to a signal sending end.