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公开(公告)号：US20180295596A1
公开(公告)日：2018-10-11
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 , H04B17/336 , H04L27/10 , H04W64/00 , G01S13/50
CPC classification number: H04W56/0035 , G01S13/505 , H04B17/336 , H04L27/00 , H04L27/10 , H04W64/006
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.
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公开(公告)号：US20190239180A1
公开(公告)日：2019-08-01
申请号：US16378588
申请日：2019-04-09
Applicant: Sony Corporation
Inventor： Zaichen ZHANG , Rong ZENG , Yuxin WEI , Chen SUN
CPC classification number: H04W56/0035 , G01S13/505 , H04B17/336 , H04L27/00 , H04L27/10 , H04W64/006
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.
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公开(公告)号：US20180131404A1
公开(公告)日：2018-05-10
申请号：US15572575
申请日：2016-05-13
Applicant: Zaichen ZHANG , Rong ZENG , SONY CORPORATION
Inventor： Zaichen ZHANG , Rong ZENG
IPC: H04B1/7117 , H03H17/02 , H04B1/7105 , H04B1/7113
CPC classification number: H04B1/7117 , H03H17/0255 , H04B1/7105 , H04B1/7113 , H04B7/0842
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.
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公开(公告)号：US20190334657A1
公开(公告)日：2019-10-31
申请号：US16474566
申请日：2017-12-26
Applicant: Sony Corporation
Inventor： Zaichen ZHANG , Rong ZENG , Penshun LU , Chen SUN
IPC: 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.
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5.发明申请公开(公告)号：US20190207797A1
公开(公告)日：2019-07-04
申请号：US16332800
申请日：2017-10-18
Applicant: Zaichen ZHANG , Rong ZENG , Pen-Shun LU , Sony Corporation
Inventor： Zaichen ZHANG , Rong ZENG , Pen-shun LU
CPC classification number: H04L27/2688 , H04L27/00 , H04L27/26 , H04L27/2657 , H04L27/2675 , H04L27/2695 , H04W56/00 , H04W56/001
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.
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Patent Agency Ranking
公开(公告)号：US20190141545A1
公开(公告)日：2019-05-09
申请号：US16092794
申请日：2017-04-06
Applicant: SONY CORPORATION
Inventor： Jian DANG , Jianqing DOU , Yu SHI , Zaichen ZHANG , Liang WU , Pen-shun LU
Abstract: Provided are an apparatus and method for a hybrid multiple access wireless communication system. The apparatus comprises: a parameter acquisition unit configured to acquire a relevant parameter of a hybrid multiple access wireless communication system; and a sub-carrier allocation unit configured to use the relevant parameter to allocate sub-carriers to each user equipment with the purpose of optimizing overall communication quality of the hybrid multiple access wireless communication system.
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7.发明申请公开(公告)号：US20190075569A1
公开(公告)日：2019-03-07
申请号：US16083895
申请日：2017-03-10
Applicant: SONY CORPORATION
Inventor： Zaichen ZHANG , Rong ZENG , Penshun LU , Xin GUO
Abstract: The present disclosure provides an apparatus and method for wireless communications, an apparatus and method for a reception end and a sending end of the wireless communications, and a parameter optimization apparatus and method for an effective signal-to-noise ratio mapping algorithm. The apparatus for wireless communications comprises: a reception signal division unit, configured to perform space division on signals received through multiple antennas, so as to separately obtain multiple space division signals; and a channel prediction unit, configured to separately perform channel prediction on the spaces according to the multiple space division signals.
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8.发明申请公开(公告)号：US20180097576A1
公开(公告)日：2018-04-05
申请号：US15560186
申请日：2016-03-16
Applicant: Sony Corporation
Inventor： Liang WU , Zaichen ZHANG , Jian DANG , Yingying YU , Weiwei QIN
CPC classification number: H04J11/0036 , H04B7/024 , H04B7/0634 , H04L5/001 , H04W24/02 , H04W36/165 , H04W36/20 , H04W72/082 , H04W88/08
Abstract: The present invention provides a method and device for performing interference coordination in a wireless communication system. The wireless communication system comprises a plurality of user terminals. The method comprises: determining, according information acquired from user terminals, arrival angles of signals sent by the user terminals; and selecting a user terminal that needs a service according to the arrival angles of the signals sent by the user terminals.
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公开(公告)号：US20200314786A1
公开(公告)日：2020-10-01
申请号：US16902284
申请日：2020-06-16
Applicant: Sony Corporation
Inventor： Zaichen ZHANG , Rong ZENG , Yuxin WEI , Chen SUN
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.
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10.发明申请公开(公告)号：US20190191383A1
公开(公告)日：2019-06-20
申请号：US16285209
申请日：2019-02-26
Applicant: Sony Corporation
Inventor： Jian DANG , Zaichen ZHANG , Liang WU , Chao WEI , Yu SHI
CPC classification number: H04W52/146 , H04J11/004 , H04J2211/008 , H04L27/26 , H04L27/2626 , H04W52/243 , H04W52/265 , H04W52/325 , H04W52/346 , H04W72/044 , H04W88/02 , H04W88/08
Abstract: Provided is a wireless communication apparatus for a non-orthogonal multiple access communication system. The apparatus comprises: a power adjustment unit which is used, for at least some of user equipment included in the communication system, dynamically adjusting the sending power of each of the at least some of the user equipment for each sub-carrier according to channel state information about the communication system, in order that the at least some of the user equipment perform uplink data transmission on corresponding sub-carriers with the adjusted sending power. According to the disclosed apparatus, method and system, at least one of the following technical benefits could be obtained: increasing the channel capacity of the communication system; reducing the bit error rate during the communication; and reducing the interference between corresponding user equipment in the communication system.
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