Patents by Inventor Weijuan GAO
Weijuan GAO 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).
-
Patent number: 11128992Abstract: A communications apparatus, a base station, and a communications method. The communications apparatus includes processing circuitry configured to: group users in a 3D beam-forming space of a current cell into multiple space user groups; determine group configuration information of the users in the 3D beam-forming space of the current cell; notify a neighbor cell of the group configuration information of the users in the 3D beam-forming space of the current cell to assist inter-cell interference coordination, wherein the current cell is configured with an antenna array having multiple physical antennas to achieve 3D beam-forming.Type: GrantFiled: September 25, 2019Date of Patent: September 21, 2021Assignee: SONY CORPORATIONInventors: Qimei Cui, Tong Zhang, Zhongbin Qin, Weijuan Gao, Hui Liang, Qinyan Jiang
-
Publication number: 20200021951Abstract: A communications apparatus, a base station, and a communications method. The communications apparatus includes processing circuitry configured to: group users in a 3D beam-forming space of a current cell into multiple space user groups; determine group configuration information of the users in the 3D beam-forming space of the current cell; notify a neighbor cell of the group configuration information of the users in the 3D beamforming space of the current cell to assist inter-cell interference coordination, wherein the current cell is configured with an antenna array having multiple physical antennas to achieve 3D beam-forming.Type: ApplicationFiled: September 25, 2019Publication date: January 16, 2020Applicant: Sony CorporationInventors: Qimei CUI, Tong ZHANG, Zhongbin QIN, Weijuan GAO, Hui LIANG, Qinyan JIANG
-
Patent number: 10484839Abstract: A communications apparatus, a base station, and a communications method. The communications apparatus includes processing circuitry configured to: group users in a 3D beam-forming space of a current cell into multiple space user groups; determine group configuration information of the users in the 3D beam-forming space of the current cell; notify a neighbor cell of the group configuration information of the users in the 3D beam-forming space of the current cell to assist inter-cell interference coordination, wherein the current cell is configured with an antenna array having multiple physical antennas to achieve 3D beam-forming.Type: GrantFiled: June 25, 2015Date of Patent: November 19, 2019Assignee: SONY CORPORATIONInventors: Qimei Cui, Tong Zhang, Zhongbin Qin, Weijuan Gao, Hui Liang, Qinyan Jiang
-
Patent number: 10244387Abstract: A device and method in a wireless communication system, the device including an access determination unit configured to determine an access requirement of a user equipment (UE); and a control unit configured to switch a target small cell of the device from a closed state to an open state based on the access requirement of the UE, and reallocate to the target small cell a new physical cell identifier different from the physical cell identifier used in the closed state. A physical cell identifier can be dynamically allocated in accordance with the open/closed state of the small cell, reducing the burden of cell planning and maintenance cost, and having greater flexibility.Type: GrantFiled: August 25, 2015Date of Patent: March 26, 2019Assignee: SONY CORPORATIONInventors: Qimei Cui, Qinyan Jiang, Weijuan Gao, Zhongbin Qin, Tong Zhang, Hui Liang
-
Patent number: 10064198Abstract: A wireless communication system, wireless communication system and method, the device on the base station side in the wireless communication system including: an edge user equipment (UE) identification unit configured to identify the edge UE on the enhanced physical downlink control channel (EPDCCH) according to the information about the UE received from the UE; and an interference coordination unit configured to apply an interference coordination plan to the EPDCCH of the edge UE. Applying the interference coordination plan to the EPDCCH of the edge UE improves service quality of the edge UE; and setting a proper degree of enhanced control channel element aggregation for the edge UE reduces the number of blind tests of the UE, thus increasing the system response speed.Type: GrantFiled: November 28, 2014Date of Patent: August 28, 2018Assignee: Sony CorporationInventors: Qimei Cui, Tong Zhang, Weijuan Gao, Hui Wang
-
Patent number: 10021701Abstract: A wireless communication method and a wireless communication device. The wireless communication method is used in a coordinated multi-point communication system, and includes: recognizing an edge user equipment; determining the presence of interference to an enhanced physical downlink control channel (ePDCCH) of the edge user equipment; and in response to the determination of the presence of the interference, determining different interference coordination manners according to different scenarios, so as to control the transmission of the ePDCCH or a physical downlink shared channel (PDSCH) of a neighbor cell related to the interference.Type: GrantFiled: December 26, 2013Date of Patent: July 10, 2018Assignee: Sony CorporationInventors: Qimei Cui, Xiaona Li, Weijuan Gao, Hui Wang, Jiang Han
-
Patent number: 9973983Abstract: The communication management apparatus includes a reception index determination device configured to determine, with respect to respective neighboring cells of a serving cell of each terminal apparatus within a predetermined cell, and a reference signal reception index for the terminal apparatus according to location information of the terminal apparatus. The reference signal reception index is used for indicating signal reception situation of the terminal apparatus with respect to the neighboring cells.Type: GrantFiled: August 11, 2016Date of Patent: May 15, 2018Assignee: SONY CORPORATIONInventors: Qimei Cui, Weijuan Gao, Qinyan Jiang, Tong Zhang
-
Publication number: 20170265068Abstract: A device and method in a wireless communication system, the device including an access determination unit configured to determine an access requirement of a user equipment (UE); and a control unit configured to switch a target small cell of the device from a closed state to an open state based on the access requirement of the UE, and reallocate to the target small cell a new physical cell identifier different from the physical cell identifier used in the closed state. A physical cell identifier can be dynamically allocated in accordance with the open/closed state of the small cell, reducing the burden of cell planning and maintenance cost, and having greater flexibility.Type: ApplicationFiled: August 25, 2015Publication date: September 14, 2017Applicant: SONY CORPORATIONInventors: Qimei CUI, Qinyan JIANG, Weijuan GAO, Zhongbin QIN, Tong ZHANG, Hui LIANG
-
Publication number: 20170134913Abstract: A communications apparatus, a base station, and a communications method. The communications apparatus includes processing circuitry configured to: group users in a 3D beam-forming space of a current cell into multiple space user groups; determine group configuration information of the users in the 3D beam-forming space of the current cell; notify a neighbor cell of the group configuration information of the users in the 3D beam-forming space of the current cell to assist inter-cell interference coordination, wherein the current cell is configured with an antenna array having multiple physical antennas to achieve 3D beam-forming.Type: ApplicationFiled: June 25, 2015Publication date: May 11, 2017Applicant: SONY CORPORATIONInventors: Qimei CUI, Tong ZHANG, Zhongbin QIN, Weijuan GAO, Hui LIANG, Qinyan JIANG
-
Publication number: 20160353339Abstract: The communication management apparatus includes a reception index determination device configured to determine, with respect to respective neighboring cells of a serving cell of each terminal apparatus within a predetermined cell, and a reference signal reception index for the terminal apparatus according to location information of the terminal apparatus. The reference signal reception index is used for indicating signal reception situation of the terminal apparatus with respect to the neighboring cells.Type: ApplicationFiled: August 11, 2016Publication date: December 1, 2016Applicant: Sony CorporationInventors: Qimei CUI, Weijuan GAO, Qinyan JIANG, Tong ZHANG
-
Patent number: 9445331Abstract: The communication management apparatus includes a reception index determination device configured to determine, with respect to respective neighboring cells of a serving cell of each terminal apparatus within a predetermined cell, and a reference signal reception index for the terminal apparatus according to location information of the terminal apparatus. The reference signal reception index is used for indicating signal reception situation of the terminal apparatus with respect to the neighboring cells.Type: GrantFiled: May 26, 2015Date of Patent: September 13, 2016Assignee: SONY CORPORATIONInventors: Qimei Cui, Weijuan Gao, Qinyan Jiang, Tong Zhang
-
Patent number: 9294256Abstract: The disclosure relates to methods and devices for notifying and determining common reference signal (CRS) patterns. The notification method comprises the steps of transmitting first downlink control information (DCI) to user equipment (UE) to inform the UE an aperiodic channel status information (CSI) feedback set and a CoMP transmission scheme to be applied to the UE, wherein the CoMP transmission includes a plurality of possible combinations of transmission points that transmit PDSCH to the UE; and transmitting second DCI to the UE for notifying transmission parameter to the UE based on the first DCI. In the disclosure, all CoMP transmission schemes and notifications of all CRS patterns therein can be supported, thus effectively perfecting notifications of the CRS patterns, saving signaling overheads, and significantly improving the flexibility.Type: GrantFiled: January 24, 2014Date of Patent: March 22, 2016Assignee: SONY CORPORATIONInventors: Qimei Cui, Hui Wang, Weijuan Gao
-
Publication number: 20150358881Abstract: The present disclosure provides a communication management apparatus and a communication management method. The communication management apparatus comprises a reception index determination device configured to determine, with respect to respective neighboring cells of a serving cell of each terminal apparatus within a predetermined cell, a reference signal reception index for the terminal apparatus according to location information of the terminal apparatus, the reference signal reception index being used for indicating signal reception situation of the terminal apparatus with respect to the neighboring cells. The communication management apparatus and the communication management method according to the present disclosure can at least improve cell switching performance.Type: ApplicationFiled: May 26, 2015Publication date: December 10, 2015Applicant: Sony CorporationInventors: Qimei CUI, Weijuan Gao, Qinyan Jiang, Tong Zhang
-
Publication number: 20150351108Abstract: A wireless communication method and a wireless communication device. The wireless communication method is used in a coordinated multi-point communication system, and includes: recognizing an edge user equipment; determining the presence of interference to an enhanced physical downlink control channel (ePDCCH) of the edge user equipment; and in response to the determination of the presence of the interference, determining different interference coordination manners according to different scenarios, so as to control the transmission of the ePDCCH or a physical downlink shared channel (PDSCH) of a neighbour cell related to the interference.Type: ApplicationFiled: December 26, 2013Publication date: December 3, 2015Applicant: SONY CORPORATIONInventors: Qimei CUI, Xiaona LI, Weijuan GAO, Hui WANG, Jiang HAN
-
Publication number: 20140211695Abstract: The disclosure relates to methods and devices for notifying and determining common reference signal (CRS) patterns. The notification method comprises the steps of transmitting first downlink control information (DCI) to user equipment (UE) to inform the UE an aperiodic channel status information (CSI) feedback set and a CoMP transmission scheme to be applied to the UE, wherein the CoMP transmission includes a plurality of possible combinations of transmission points that transmit PDSCH to the UE; and transmitting second DCI to the UE for notifying transmission parameter to the UE based on the first DCI. In the disclosure, all CoMP transmission schemes and notifications of all CRS patterns therein can be supported, thus effectively perfecting notifications of the CRS patterns, saving signaling overheads, and significantly improving the flexibility.Type: ApplicationFiled: January 24, 2014Publication date: July 31, 2014Applicant: Sony CorporationInventors: Qimei CUI, Hui WANG, Weijuan GAO