公开(公告)号：US20150200719A1

公开(公告)日：2015-07-16

申请号：US14656351

申请日：2015-03-12

Applicant: SONY CORPORATION

Inventor： Qimei CUI ,  Shiyuan Li ,  Xiaofeng Tao ,  Chao Wang ,  Xianjun Yang

IPC: H04B7/04 ,  H04W72/04 ,  H04W76/02

CPC classification number: H04B7/0639 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04L1/0026 ,  H04W72/042 ,  H04W76/15

Abstract: A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station.

Abstract translation: 本发明提供了基于码本的信道信息反馈方法，装置和系统。 基于码本的信道信息反馈方法包括：通信系统中的终端测量终端与通信系统的基站之间的下行链路信道的参数; 通过使用下行链路信道的参数从预编码码本中选择多个预编码矩阵，其中多个预编码矩阵可以由单用户多输入多输出（MIMO）传输模式和多用户 MIMO传输模式，预编码码本是预编码矩阵的聚合; 并向基站反馈用于指示多个预编码矩阵的第一信息。

公开(公告)号：US20210068121A1

公开(公告)日：2021-03-04

申请号：US16962234

申请日：2019-05-08

Applicant: Sony Corporation

Inventor： Qimei CUI ,  Zhenyu XU ,  Tao CUI ,  Xiaofeng TAO ,  Bowen CAI ,  Jing LIU

IPC: H04W72/08 ,  H04W72/12 ,  H04L29/06 ,  H04W28/20 ,  H04W72/04

Abstract: The present invention provides an electronic device and method for wireless communication, and a computer readable storage medium. The electronic device comprises a processing circuit configured to: set a first timer used for counting the activation time of a current bandwidth part (BWP) for a user equipment on an unlicensed frequency band; and switch, when the first timer times out, the user equipment onto another BWP on the unlicensed frequency band.

公开(公告)号：US20190274123A1

公开(公告)日：2019-09-05

申请号：US16412449

申请日：2019-05-15

Applicant: Sony Corporation

Inventor： Qimei CUI ,  Yingni ZHANG ,  Hui WANG ,  Xiaona LI

IPC: H04W72/04 ,  H04L5/00

Abstract: Disclosed are a communication method and device in a wireless communication system, the communication method comprising: a base station in the communication system determines, according to the current system configuration of the communication system, the category of an enhanced control channel element configuration in an enhanced physical downlink control channel, the enhanced control channel element configuration comprising the number of resource elements in each enhanced control channel element, and the number of enhanced control channel elements in each physical resource block pair, and the enhanced control channel element configuration is classified into a plurality of categories respectively corresponding to the different system configurations of the communication system; and notifying a terminal node in the communication system of the information related to the determined category of the enhanced control channel element configuration.

公开(公告)号：US20190239084A1

公开(公告)日：2019-08-01

申请号：US16379814

申请日：2019-04-10

Applicant: Sony Corporation

Inventor： Qimei CUI ,  Xiaodong XU ,  Jiahui LIU ,  Ningyu CHEN ,  Xiang ZHOU ,  Yu SUN

IPC: H04W16/14 ,  H04W74/08 ,  H04W74/00

Abstract: A base station side device and method and user side device and method for wireless communication. The device includes: a sending unit configured to send instruction on an unauthorized frequency band detection to a user equipment (UE) served by the cell where the device is located; a receiving unit configured to receive from the UE a signal representing occupancy status of the unauthorized frequency band; and a determination unit configured to determine based on the signal received by the receiving unit whether to use the unauthorized frequency band for communication, the unauthorized frequency band occupancy status includes occupied/idle status and the type of the occupying system, and the type of occupying system includes one of an unauthorized communication system and an authorized communication system.

公开(公告)号：US20180020437A1

公开(公告)日：2018-01-18

申请号：US15547188

申请日：2015-11-06

Applicant: Sony Corporation

Inventor： Qimei CUI ,  Xiaofeng TAO ,  Xiang ZHOU ,  Jiahui LIU ,  Ningyu CHEN

IPC: H04W72/04 ,  H04W24/02 ,  H04L5/00 ,  H04W88/02 ,  H04W88/08

Abstract: The present disclosure relates to wireless communication equipment and a wireless communication method. According to the wireless communication equipment for a base station side in an embodiment, the wireless communication equipment comprises one or multiple processors, and the one or multiple processors are configured to: determine to-be-transmitted communication content of a user equipment for a base station on a target unauthorized frequency band and estimate a transmission progress; and generate indicating information about the transmission progress, and add the indicating information into a communication frame of the user equipment for transmitting the indicating information.

公开(公告)号：US20170013670A1

公开(公告)日：2017-01-12

申请号：US15102441

申请日：2014-12-23

Applicant: SONY CORPORATION

Inventor： Qimei CUI ,  Ningyu CHEN ,  Jiahui LIU ,  Yingni ZHANG ,  Liang ZENG ,  Zhongbin QIN

IPC: H04W76/04 ,  H04W72/08 ,  H04W72/10 ,  H04W72/04

CPC classification number: H04W72/0413 ,  H04W52/0212 ,  H04W72/042 ,  H04W72/0486 ,  H04W72/082 ,  H04W72/10 ,  H04W76/27 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/164

Abstract: A device and method controlling working state change of a small cell and a base station including the device. The device includes: an information acquiring unit that acquires interference between a small cell to be controlled and an adjacent small cell and/or load of the small cell to be controlled or load distributed by other small cells and to be borne by the small cell to be controlled; and a state change determination unit that determines working state change to be performed by the small cell to be controlled according to the acquired interference and/or load. The working state includes multiple sleep levels from low to high. A sleep degree of the small cell to be controlled in a low sleep level is less than a sleep degree of the small cell to be controlled in a high sleep level, the working state change being performed among multiple sleep levels.

Abstract translation: 一种控制小型电池和包括该装置的基站的工作状态变化的装置和方法。 该装置包括：信息获取单元，其获取要被控制的小小区与其他小小区被控制或负载分配并由小小区承载的小小区的相邻小区和/或负载之间的干扰 被控制 以及状态变化确定单元，其根据所获取的干扰和/或负载确定要由所控制的小小区执行的工作状态变化。 工作状态包括从低到高的多个睡眠水平。 要控制在低睡眠水平的小细胞的睡眠程度小于要在高睡眠水平中被控制的小细胞的睡眠程度，在多个睡眠水平之间执行工作状态改变。

公开(公告)号：US20160073421A1

公开(公告)日：2016-03-10

申请号：US14782656

申请日：2014-04-25

Applicant: SONY CORPORATION

Inventor： Qimei CUI ,  Liang ZENG ,  Jiang HAN ,  Yingni ZHANG ,  Ningyu CHEN

IPC: H04W72/12 ,  H04L5/06 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W72/12 ,  H04L5/001 ,  H04L5/0057 ,  H04L5/06 ,  H04W72/00 ,  H04W72/0406 ,  H04W72/0446 ,  H04W72/1289 ,  H04W88/08

Abstract: A communication apparatus, communication system and communication method. The related communication apparatus is used for aggregating, at a base station side, communication resources at different frequencies and/or different transmission time, wherein a scheduling resource among the aggregated communication resources is used for transmitting control information about the scheduling resource and scheduled resources. The communication apparatus includes: a grouping unit configured to divide the communication resources into groups based on characteristics of the communication resources, wherein the same group of the communication resource is indicated by the same piece of control information; and a sending unit configured to send the control information to a corresponding communication terminal side by the scheduling resource. The communication apparatus, communication system and communication method improve communication performance.

Abstract translation: 通信装置，通信系统和通信方法。 相关通信装置用于在基站侧聚合不同频率和/或不同传输时间的通信资源，其中聚合通信资源中的调度资源用于发送关于调度资源和调度资源的控制信息。 通信装置包括：分组单元，被配置为基于通信资源的特性将通信资源划分成组，其中通过相同的控制信息指示相同的通信资源组; 以及发送单元，被配置为通过调度资源将控制信息发送到对应的通信终端侧。 通信装置，通信系统和通信方法提高通信性能。

公开(公告)号：US20150373728A1

公开(公告)日：2015-12-24

申请号：US14758422

申请日：2013-10-31

Applicant: Qimei CUI ,  Hui TIAN ,  Meng WANG ,  Peng TIAN ,  Liqi GAO ,  SONY CORPORATION

Inventor： Qimei CUI ,  Hui TIAN ,  Meng WANG ,  Peng TIAN ,  Liqi GAO

IPC: H04W72/08 ,  H04B17/345

CPC classification number: H04W72/082 ,  H04B17/345 ,  H04L1/00 ,  H04W24/02 ,  H04W24/10 ,  H04W52/244 ,  H04W72/04 ,  H04W84/045 ,  H04W92/20

Abstract: An apparatus and a method for a wireless communication network. The apparatus includes circuitry configured for acquiring the first information associated with an indicator indicating communication quality of user terminals served by an interfering base station; acquiring second information associated with an indicator indicating interfered degree of user terminals interfered by the interfering base station; configuring, based on the first information and the second information, transmission of the interfering base station for inter-base station coordination. The technical solution improves the overall performance of the wireless communication heterogeneous network.

Abstract translation: 一种用于无线通信网络的装置和方法。 该装置包括被配置用于获取与指示由干扰基站服务的用户终端的通信质量的指示符相关联的第一信息的电路; 获取与指示干扰基站干扰的用户终端的干扰程度的指示符相关联的第二信息; 基于第一信息和第二信息配置用于基站间协调的干扰基站的传输。 该技术解决方案提高了无线通信异构网络的整体性能。

公开(公告)号：US20150327202A1

公开(公告)日：2015-11-12

申请号：US14693053

申请日：2015-04-22

Applicant: Sony Corporation

Inventor： Xiaodong XU ,  Qimei CUI ,  Yu SUN ,  Ningyu CHEN ,  Rui GAO ,  Jiahui LIU

IPC: H04W56/00 ,  H04L5/14

CPC classification number: H04W56/002 ,  H04L5/1469 ,  H04W56/0015

Abstract: There is provided a method and device in a wireless communication system, the method comprising: a cell information interacting step of interacting information about a first cell and a second cell having interference with each other between the first cell and the second cell to determine a source cell and a target cell among the first cell and the second cell, wherein the target cell performs synchronization with the source cell being a synchronization source; an initial synchronizing step of performing initial frame-level synchronization by the target cell with the source cell being the synchronization source; a synchronization information interacting step of interacting information about a synchronization subframe position between the source cell and the target cell to determine a synchronization subframe position configurable for both the source cell and the target cell; and a symbol-level synchronizing step of performing symbol-level synchronization between the source cell and the target cell according to the determined synchronization subframe position. According to the disclosure, it is possible to realize synchronization among cells belonging to different operators and/or adopting different synchronizing manners.

Abstract translation: 提供了一种在无线通信系统中的方法和装置，该方法包括：小区信息交互步骤，用于在第一小区和第二小区之间交互关于第一小区和第二小区之间的干扰的信息，以确定源 小区和第一小区和第二小区中的目标小区，其中，所述目标小区与作为同步源的所述源小区进行同步; 初始同步步骤，其中所述源小区是所述同步源，由所述目标小区执行初始帧级同步; 同步信息交互步骤，用于交互关于源小区和目标小区之间的同步子帧位置的信息，以确定可配置用于源小区和目标小区的同步子帧位置; 以及符号级同步步骤，用于根据确定的同步子帧位置在源小区和目标小区之间执行符号级同步。 根据本公开，可以实现属于不同运算符的小区和/或采用不同同步方式的小区之间的同步。

公开(公告)号：US20200336229A1

公开(公告)日：2020-10-22

申请号：US16889812

申请日：2020-06-02

Applicant: Sony Corporation

Inventor： Qimei CUI ,  Haowei WANG ,  Xiaofeng TAO ,  Bingshan HU

IPC: H04B17/382 ,  H04W74/08 ,  H04B17/391 ,  H04W72/12

Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection. By utilizing the electronic device and the wireless communication method, the probability of access to an unlicensed carrier is improved.