公开(公告)号：US20190044756A1

公开(公告)日：2019-02-07

申请号：US16075509

申请日：2017-01-16

Applicant: SONY CORPORATION

Inventor： Peiyao ZHAO ,  Zhaocheng WANG ,  Jinhui CHEN

IPC: H04L25/02 ,  H04B7/0456 ,  H04L5/00 ,  H04B17/382 ,  H04L5/14

Abstract: The present invention discloses a wireless communication method and a wireless communication device. An electronic device for a first communication device in a wireless communication system comprises: storage device configured to store an analog codebook for the first communication device, the analog codebook comprising a plurality of sets of first configuration parameters for a set of phase shifters of the first communication device; and a processing circuit configured to: perform channel estimation on a first channel from a second communication device to the first communication device respectively based on the plurality of sets of first configuration parameters and signal transmission from the second communication device, select a set of first configuration parameters corresponding to ones of channel estimation results that satisfy a first predetermined condition to generate a reduced analog sub-codebook, configure signal transmission from the first communication device to the second communication device based on the analog sub-codebook, to perform channel estimation on a second channel from the first communication device to the second communication device.

公开(公告)号：US20180234140A1

公开(公告)日：2018-08-16

申请号：US15936873

申请日：2018-03-27

Applicant: SONY CORPORATION

Inventor： Jinhui CHEN ,  Chen SUN ,  Xin GUO

IPC: H04B7/0413 ,  H04W72/08 ,  H04B7/04 ,  H04W72/04

CPC classification number: H04B7/0413 ,  H04B7/04 ,  H04W72/048 ,  H04W72/082 ,  H04W72/085

Abstract: A device and method for managing spectrum resources and a wireless communication device and method are provided. The method for managing spectrum resources of a wireless communication system according to the disclosure includes: acquiring resource utilization parameter information of a communication device to be managed, the resource utilization parameter information including the number of antennas; and determining spectrum resource allocation to the communication device based on the resource utilization parameter information. The method for managing spectrum resources enriches contents of signaling interaction between a communication device and a device for managing spectrum resources in a wireless communication system, thereby making it possible to sufficiently utilize a possible spatial freedom degree of a communication device in a multi-antenna system, and to efficiently reduce interference between communication devices or communication systems.

公开(公告)号：US20180205503A1

公开(公告)日：2018-07-19

申请号：US15743312

申请日：2016-08-12

Applicant: Sony Corporation

Inventor： Jinhui CHEN ,  Xin GUO ,  Chen SUN

IPC: H04L1/18 ,  H04W52/34

CPC classification number: H04L1/18 ,  H04W52/34

Abstract: Disclosed is a device and a method in a wireless communication system, and the device comprises: a transmitting unit configured to transmit a first allocation signal synthesized by use of the superimposed coding to plenty of user equipment at least comprising a first and a second user equipment, and the first allocation signal at least comprising a first power signal part for the first user equipment and a second power signal part for the second user equipment; a receiving unit configured to receive at least a feedback retransmission request from the first and the second user equipment; and a processing unit configured to process the first and the second power signal parts with a preset processing coefficient to obtain a second allocation signal in response to the retransmission request, and the transmitting unit is further configured to transmit the second allocation signal to the first and the second user equipment which merge the first and the second allocation signals in order to separately obtain the data for the first and the second user equipment.

公开(公告)号：US20180123664A1

公开(公告)日：2018-05-03

申请号：US15560853

申请日：2015-10-26

Applicant: SONY CORPORATION

Inventor： Gaosi LI ,  Jinhui CHEN ,  Xin ZHANG ,  Zaixue WEI ,  Nanxi LI

IPC: H04B7/06 ,  H04B7/0413

CPC classification number: H04B7/0617 ,  H04B7/0413 ,  H04B7/0469 ,  H04B7/0626 ,  H04B7/0639

Abstract: An electronic apparatus and radio communication method in a radio communication system. The electronic apparatus includes: one or more processing circuits configured to execute the following operations: determining, based on an antenna array corresponding to the electronic apparatus, corresponding a transceiver unit (TXRU) configuration, wherein each TXRU is associated with one set of antenna units having a same polarization direction, the antenna array includes plural antenna units having M rows, N columns and P-dimensional polarization directions, and M, N and P are natural numbers; and adding antenna configuration information to a radio resource control (RRC) signaling to be use in a user equipment (UE) in the radio communication system, wherein the antenna configuration information is used to obtain a number of the TXRU in the antenna configuration.

公开(公告)号：US20180084429A1

公开(公告)日：2018-03-22

申请号：US15565717

申请日：2016-03-03

Applicant: Sony Corporation

Inventor： Xin GUO ,  Chen SUN ,  Yuxin WEI ,  Jinhui CHEN

IPC: H04W16/14 ,  H04W72/04

CPC classification number: H04W16/14 ,  H04W72/04 ,  H04W72/0406

Abstract: A frequency spectrum coordination device and method, and a device and a method in a wireless communication system. The frequency spectrum coordination device, used for coordinating usage of shared wireless transmission resources by multiple systems, includes: an acquirement unit, configured to acquire a usage state of the shared wireless transmission resources; and an allocation unit, configured to allocate, according to the usage state, the shared wireless transmission resources for a communication device based on the influence of resource elements to be allocated of one system in multiple systems on the available resource elements of other systems in multiple systems, and the resource allocation granularity of one system is smaller than the resource allocation granularity of other systems.

公开(公告)号：US20180062710A1

公开(公告)日：2018-03-01

申请号：US15556077

申请日：2016-03-21

Applicant: Sony Corporation

Inventor： Chen QIAN ,  Zhaocheng WANG ,  Jinhui CHEN ,  Yuxin WEI

IPC: H04B7/0452 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04B7/0452 ,  H04B7/04 ,  H04B7/0456 ,  H04B7/0617 ,  H04L5/0005 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0092 ,  H04L27/2613 ,  H04L27/2671

Abstract: The present disclosure relates to a wireless communication device and a wireless communication method. A wireless communication device according to an embodiment comprises at least one processor. The at least one processor is configured to: generate user-specific reference signals used for assisting in downlink transmission; add identical or related reference signals into two or more data streams to be transmitted; and precode the two or more data streams into which the identical or related reference signals are added, so as to generate a downlink data signal.

公开(公告)号：US20180049056A1

公开(公告)日：2018-02-15

申请号：US15556339

申请日：2016-03-22

Applicant: Sony Corporation

Inventor： Jinhui CHEN ,  Yuxin WEI

IPC: H04W24/10 ,  H04W76/04

CPC classification number: H04W24/10 ,  H04W24/00 ,  H04W36/00 ,  H04W36/30 ,  H04W76/27 ,  H04W88/02 ,  H04W88/08

Abstract: Provided are a device and method for a user equipment side and a base station side in wireless communication. The device (100) for a user equipment side comprises: an information acquisition unit (101), configured to obtain cell special dynamic offset information for wireless resource management of a serving cell and/or adjacent cell of a user equipment, wherein cell special dynamic offset relates to a transmission capacity of a corresponding cell, and the transmission capacity comprises at least one of cell multi-antenna transmission performance gain and a load condition; a measurement unit (102), configured to measure a reference signal of the serving cell and the adjacent cell; and a cell reselection/measurement reporting unit (103), configured to perform cell reselection or measurement reporting based on the cell special dynamic offset and a measurement result for the serving cell and the adjacent cell according to a connection state of the user equipment.

公开(公告)号：US20200236576A1

公开(公告)日：2020-07-23

申请号：US16839087

申请日：2020-04-03

Applicant: Sony Corporation

Inventor： Jinhui CHEN

IPC: H04W24/10 ,  H04L5/00

Abstract: The disclosure provides a base station side device and method for wireless communication, and a UE side device and method for wireless communication. The base station side device for wireless communication includes: a determination unit configured to dynamically determine, on the basis of a transmission characteristic relevant to a user equipment, a reference signal to be used by the user equipment from a reference signal set available for a base station; and a generation unit configured to generate reference signal configuration information for the user equipment, wherein the configuration information includes an indication for indicating the sequence number of the reference signal to be used by the user equipment, and the sequence number of the reference signal is relevant to the sequence number of an antenna port.

公开(公告)号：US20200177426A1

公开(公告)日：2020-06-04

申请号：US16782060

申请日：2020-02-05

Applicant: Sony Corporation

Inventor： Peiyao ZHAO ,  Zhaocheng WANG ,  Jinhui CHEN

IPC: H04L27/26 ,  H04B7/04 ,  H04B7/0452 ,  H04L5/00 ,  H04L25/02

Abstract: An electronic device, and method, at a first communication apparatus having multiple antennas includes a memory for storing computer instructions; and a processing circuit configured to execute the stored computer instructions to: based on channel states of channels between the multiple antennas of the first communication apparatus and a second communication apparatus, determine channel characteristics of a first channel from the first communication apparatus to a second communication apparatus in an angle domain: based on the determined channel characteristics of the first channel in the angle domain, determine a first set of pilot signals used in the angle domain, the pilot signals in the first set of pilot signals being orthogonal to each other; and transform the first set of pilot signals into a second set of pilot signals for transmission over the multiple antennas of the first communication apparatus.

公开(公告)号：US20190149203A1

公开(公告)日：2019-05-16

申请号：US16243532

申请日：2019-01-09

Applicant: SONY CORPORATION

Inventor： Chen QIAN ,  Zhaocheng WANG ,  Xudong ZHU ,  Jinhui CHEN

IPC: H04B7/0456 ,  H04L25/02 ,  H04L5/00 ,  H04W28/04 ,  H04W72/04

Abstract: A device and method for wireless communications. The device includes: an information acquisition unit, configured to acquire channel information about a transmission object and a non-transmission object for wireless communications, wherein the transmission of the transmission object is controlled by the device and transmission of the non-transmission object is not controlled by the device; and an interference reducing unit, configured to reduce interference with the non-transmission object based on the channel information about the transmission object and the non-transmission object.