Patents by Inventor Lei Mao
Lei Mao 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).
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Publication number: 20150131506Abstract: A method, apparatus and system for rejecting auxiliary information about user equipment are disclosed, which relate to the technical field of wireless communications, and solve the problem that UE retransmitting auxiliary information generates additional overheads or fails to know the reason why a network side rejects. The method includes: a network side receiving auxiliary information reported by user equipment; and if the network side determines not to reconfigure a wireless parameter for the user equipment, the network side transmitting rejection reason information to the user equipment. The above technical solution is applicable to an LTE or UMTS system, and realizes the control by UE of the transmission of auxiliary information according to a rejection mechanism.Type: ApplicationFiled: June 27, 2013Publication date: May 14, 2015Inventors: Qian Dai, Lei Mao, Yingqi Xu, Yunpeng Cui
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Patent number: 8873451Abstract: A resource allocation method for dynamic multiplexing of Multimedia Broadcast Multicast Service (MBMS) can be used to improve resource utilization efficiency when multimedia multicast services share a channel. A network side device configures a Modulation and Coding Scheme (MCS) for said logical channels or the Multicast/Broadcast over Single Frequency Network (MBSFN) subframes bearing said logical channels according to the transmission requirements of logical channels, and implements modulation and coding processing for the data of Physical Multicast Channel (PMCH) borne by MBSFN subframes bearing said logical channels by using said MCS. The network side device can employ different modulation and coding in the physical layer according to different Quality of Service (QoS) requirements of different logical channels of MBMS services, thereby achieving the purpose of improving resource utilization efficiency and satisfying different service requirements.Type: GrantFiled: December 31, 2009Date of Patent: October 28, 2014Assignee: ZTE CorporationInventors: Jianxun Al, Zijiang Ma, Lei Mao
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Patent number: 8848589Abstract: A method for transmitting broadcast service data in a single frequency network including a Radio Network Controller and one or more base stations each with a cell including one or more sectors, the method includes: transmitting, by the Radio Network Controller, broadcast service data and a first transmission time to the base station; and transmitting, by the base station, the broadcast service data to each of its sector after the first transmission time, where the broadcast service data is transmitted to adjacent sectors sharing a common station address at different transmission times. Also, the present invention discloses a system and base station for transmitting broadcast service data in a single frequency network. With this technical solution, the phenomenon of fast fading of received signals in the prior art which occurs at adjacent edge zones of adjacent sectors in the same cell of the single frequency network can be avoided, and thus improving performance of receiving the signals.Type: GrantFiled: November 15, 2007Date of Patent: September 30, 2014Assignee: China Academy of Telecommunications TechnologyInventors: Yingmin Wang, Yu Ding, Jiajun Yang, Lei Mao, Junyun Yang
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Patent number: 8798657Abstract: The present invention discloses a method and a device for transmitting multimedia broadcast multicast service control information. The method comprises: a base station stopping transmission of an MBMS service in a cell, and transmitting control plane information of the MBMS service, wherein, in the control plane information, contents of an SIB2, MCCH information and DSI remain unmodified, and contents of an SIB13 are modified or remain unmodified. The device comprises: a service stopping unit, configured to stop transmission of an MBMS service in a cell; a transmitting unit, configured to transmit control plane information of the MBMS service in the cell in which the MBMS service is stopped, wherein in the transmitted control plane information, contents of an SIB2, MCCH information and DSI remain unmodified, and contents of an SIB13 are modified or remain unmodified. The present invention improves reliability of receiving an MBMS service by a UE.Type: GrantFiled: April 21, 2011Date of Patent: August 5, 2014Assignee: ZTE CorporationInventors: Bin Wang, Wei Gou, Zijiang Ma, Lei Mao
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Patent number: 8787236Abstract: A method and system for sending and transmitting a Multimedia Broadcast Multicast Service (MBMS) paging indicating signaling are disclosed. A network side assigns bit resource which bearing an Multipoint Control Channel (MCCH) modification indication for each MCCH according to the available resource of paging indicating signaling and the maximum number of MCCHs supported by a cell, and configures mapping information of each MCCH modification indication on the paging indicating signaling; the network side makes the MCCH modification indication corresponding to the configured MCCH included in the paging indicating signaling before transmitting the paging indicating signaling. The subject application can be applied to a cell having a plurality of MCCHs and is not suffered from the number change of the MCCHs. The application can be easily carried out.Type: GrantFiled: April 15, 2010Date of Patent: July 22, 2014Assignee: ZTE CorporationInventors: Lei Mao, Zijiang Ma, Jianxun Ai
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Method, terminal and radio network controller for searching for the single frequency network cluster
Patent number: 8655263Abstract: A method for searching for a broadcast/multicast single frequency network cluster, when a terminal needs to receive the broadcast/multicast service in the broadcast/multicast single frequency network cluster, the terminal synchronizes to a non broadcast/multicast single frequency network cell which is associated with the broadcast/multicast single frequency network cluster; and the terminal searches for the broadcast/multicast single frequency network cluster on the basis of the information indicated by the system information in the non broadcast/multicast single frequency network cell. So that the UE can search for the corresponding MBSFN cluster, and can receive the MBMS service in the searched MBSFN cluster.Type: GrantFiled: July 18, 2008Date of Patent: February 18, 2014Assignee: China Academy of Telecommunications TechnologyInventors: Xuelong Wang, Yu Ding, Shiyan Ren, Lei Mao -
Publication number: 20130308541Abstract: The disclosure provides a terminal access method and a terminal access device. The method comprises: determining, according to a value within an Enhanced Access Barring (EAB) parameter corresponding to an Access Class (AC) configured by a system, whether to allow access of a terminal corresponding to the AC; when the corresponding AC is determined to be not barred according to the EAB parameter, then according to a common Access Class Barring (ACB) parameter broadcasted by the existing system, performing access allowed judgment; when the corresponding AC is determined to be barred according to the EAB parameter, then, according to a barring time parameter configured by the system, calculating a barring time for re-accessing the system. In the method of the disclosure, the EAB and the existing ACB mechanism are jointly processed, solving the problem of possible impact on a system caused when large numbers of delay-insensitive or low-priority services or terminals access a network simultaneously.Type: ApplicationFiled: August 17, 2011Publication date: November 21, 2013Applicant: ZTE CORPORATIONInventors: Lei Mao, Mian Li, Yun Deng
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Patent number: 8582281Abstract: A display device includes a first frame, a second frame, a backlight module and a display panel. The first frame has two plates separated with each other. Each plate includes a first bottom and a first side wall connected with the first bottom, wherein a first joint part is disposed at the first side wall. The second frame has a second side wall and a supporting part extended from the second side wall toward an inside of the second frame. Second joint parts corresponding to the first joint parts are disposed at the second side wall. The first frame and the second frame are assembled by combinations of the first joint parts and the second joint parts. The backlight module is disposed between the first bottoms and the supporting part. The display panel is disposed on the supporting part.Type: GrantFiled: January 5, 2011Date of Patent: November 12, 2013Assignees: Au Optronics (Suzhou) Corp., Ltd., Au Optronics Corp.Inventors: Xin-Lei Mao, Xian-You Jiao
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Publication number: 20130288693Abstract: A method and system for radio resource control are provided in the present document. The method includes: in a process of establishing a Radio Resource Control (RRC) connection, a user equipment sending a RRC connection request message to a base station, and carrying information used for indicating an current access property in the RRC connection request message; and the base station judging whether to permit the user equipment to establish the RRC connection according to the information used for indicating the current access property. It enables the user equipment to report more accurate information related to call establishment types, so as to assist a network side to perform more flexible and precise admission control.Type: ApplicationFiled: August 1, 2011Publication date: October 31, 2013Applicant: ZTE CORPORATIONInventors: Qian Dai, Yun Deng, Lei Mao
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Patent number: 8427997Abstract: An access method of MBMS on dedicated carrier relates to MBMS access technology on dedicated carrier, including: synchronize a user equipment to a MBMS dedicated carrier; the user equipment detects a start-frame of system message on the MBMS dedicated carrier; and the terminal monitors the system message from the start-frame of system message. An apparatus of realizing the method is also provided.Type: GrantFiled: September 18, 2008Date of Patent: April 23, 2013Assignee: China Academy of Telecommunications TechnologyInventors: Shiyan Ren, Yu Ding, Lei Mao
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Publication number: 20130055318Abstract: The present invention discloses a method and a device for transmitting multimedia broadcast multicast service control information. The method comprises: a base station stopping transmission of an MBMS service in a cell, and transmitting control plane information of the MBMS service, wherein, in the control plane information, contents of an SIB2, MCCH information and DSI remain unmodified, and contents of an SIB13 are modified or remain unmodified. The device comprises: a service stopping unit, configured to stop transmission of an MBMS service in a cell; a transmitting unit, configured to transmit control plane information of the MBMS service in the cell in which the MBMS service is stopped, wherein in the transmitted control plane information, contents of an SIB2, MCCH information and DSI remain unmodified, and contents of an SIB 13 are modified or remain unmodified. The present invention improves reliability of receiving an MBMS service by a UE.Type: ApplicationFiled: April 21, 2011Publication date: February 28, 2013Inventors: Bin Wang, Wei Gou, Zijiang Ma, Lei Mao
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Publication number: 20120281610Abstract: The invention discloses a method for transmitting control information of a multimedia broadcast multicast service (MBMS). A network side device indicates to a UE (User Equipment) the mapping information between information of each area and each MCCH (Multicast control channel), and the network side device may also indicate the area information of each MBMS to the UE, or the UE obtains the area information of the MBMS in a preset way; such, when the UE needs to receive a certain MBMS, the UE obtains the MCCH corresponding to the area information of the MBMS according to the area information of the MBMS and the mapping relationship between information of each area and each MCCH, and receives the configuration information of the MBMS in the MCCH. The invention also discloses a system and device for transmitting control information of a MBMS.Type: ApplicationFiled: December 25, 2009Publication date: November 8, 2012Applicant: ZTE CORPORATIONInventors: Jianxun Ai, Lei Mao
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Publication number: 20120188930Abstract: A method and system for sending and transmitting a Multimedia Broadcast Multicast Service (MBMS) paging indicating signaling are disclosed. A network side assigns bit resource which bearing an Multipoint Control Channel (MCCH) modification indication for each MCCH according to the available resource of paging indicating signaling and the maximum number of MCCHs supported by a cell, and configures mapping information of each MCCH modification indication on the paging indicating signaling; the network side makes the MCCH modification indication corresponding to the configured MCCH included in the paging indicating signaling before transmitting the paging indicating signaling. The subject application can be applied to a cell having a plurality of MCCHs and is not suffered from the number change of the MCCHs. The application can be easily carried out.Type: ApplicationFiled: April 15, 2010Publication date: July 26, 2012Applicant: ZTE CORPORATIONInventors: Lei Mao, Zijiang Ma, Jianxun Ai
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Publication number: 20120182898Abstract: A method and system for transmitting downlink data via a relay, and a relay are provided by the present invention. The system includes an evolved node B and a relay. The evolved node B is set to determine power parameters of a terminal according to a downlink transmission power from the rely to the terminal, and to inform the terminal of the power parameters; the rely is set to perform the signal transmission to the terminal according to the downlink transmission power; the terminal demodulates the signal received from the evolved node B and/or the rely according to the power parameters. Application of the present invention enhances the transmission performance of the system, and resolves the problem of setting the transmission power for the relay node.Type: ApplicationFiled: June 7, 2010Publication date: July 19, 2012Applicant: ZTE CORPORATIONInventor: Lei Mao
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Publication number: 20120140692Abstract: The present invention discloses a method for transmitting dynamic scheduling information (DSI) of Multimedia Broadcast Multicast Services (MBMS). A network side bears the dynamic scheduling information (DSI) of Multimedia Broadcast Multicast Services (MBMS) born on a plurality of Multicast Channels (MCH) in one Multicast Broadcast over Single Frequency Network (MBSFN) area on one MCH to send. User Equipment (UE) reads scheduling information of MBMS born on each MCH in said MBSFN area from the MCH bearing a plurality of pieces of DSI placed together or one piece of DSI combined, and receives the MBMS born on different MCHs according to read scheduling information. The present invention further provides a network side device of a system supporting to transmit dynamic scheduling information and a corresponding system.Type: ApplicationFiled: January 28, 2010Publication date: June 7, 2012Inventors: Jian Hu, Jianxun Ai, Zijiang Ma, Lei Mao, Bin Wang
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Publication number: 20120108253Abstract: A method and system for selecting a home node for User Equipment (UE) are provided by the present invention, which can reduce the processing complexity of the UE during the process of selecting the home node for the UE. In the present invention, the channel quality information which is from the UE to the network side node is obtained by the network side node performing measurement for the uplink channel of the UE, and the home node is selected for the UE according to the channel quality information, so that during the home node selection process, the UE need not perform measuring and reporting frequently in order to support a service node to judge the transmission set of the CoMP cell and/or Relay node.Type: ApplicationFiled: December 31, 2009Publication date: May 3, 2012Applicant: ZTE CORPORATIONInventors: Lei Mao, Junfeng Zhang, Jianxun Ai, Guanzhou Wang
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Publication number: 20120099509Abstract: A resource allocation method for dynamic multiplexing of Multimedia Broadcast Multicast Service (MBMS) can be used to improve resource utilization efficiency when multimedia multicast services share a channel. A network side device configures a Modulation and Coding Scheme (MCS) for said logical channels or the Multicast/Broadcast over Single Frequency Network (MBSFN) subframes bearing said logical channels according to the transmission requirements of logical channels, and implements modulation and coding processing for the data of Physical Multicast Channel (PMCH) borne by MBSFN subframes bearing said logical channels by using said MCS. The network side device can employ different modulation and coding in the physical layer according to different Quality of Service (QoS) requirements of different logical channels of MBMS services, thereby achieving the purpose of improving resource utilization efficiency and satisfying different service requirements.Type: ApplicationFiled: December 31, 2009Publication date: April 26, 2012Applicant: ZTE CORPORATIONInventors: Jianxun AI, Zijiang Ma, Lei Mao
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Publication number: 20120002595Abstract: A method and apparatus for receiving a downlink service in a long term evolution system. The method includes, after the downlink service configuration is finished, the network side notifying downlink service configuration information to a user terminal, the user terminal intercepting the data of downlink services in the bearer time slot of a base station side and in the bearer time slot of a relay station side, and combining the data of downlink services intercepted respectively. The apparatus includes a receiving unit, a bearer information obtaining unit, a judging unit, two service obtaining units, and a combining unit. The method and apparatus improve the downlink service gain of the user terminal in the cell edge jointly covered by the eNB and the RS, and ensure the communication quality of the terminal user.Type: ApplicationFiled: December 29, 2009Publication date: January 5, 2012Applicant: ZTE CORPORATIONInventors: Lei Mao, Zijiang Ma
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Publication number: 20110317344Abstract: A display device includes a first frame, a second frame, a backlight module and a display panel. The first frame has two plates separated with each other. Each plate includes a first bottom and a first side wall connected with the first bottom, wherein a first joint part is disposed at the first side wall. The second frame has a second side wall and a supporting part extended from the second side wall toward an inside of the second frame. Second joint parts corresponding to the first joint parts are disposed at the second side wall. The first frame and the second frame are assembled by combinations of the first joint parts and the second joint parts. The backlight module is disposed between the first bottoms and the supporting part. The display panel is disposed on the supporting part.Type: ApplicationFiled: January 5, 2011Publication date: December 29, 2011Applicants: AU OPTRONICS CORP., AU Optronics (Suzhou) Corp., Ltd.Inventors: Xin-Lei MAO, Xian-You JIAO
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Publication number: 20100315984Abstract: A method for transmitting broadcast service data in a single frequency network including a Radio Network Controller and one or more base stations each with a cell including one or more sectors, the method includes: transmitting, by the Radio Network Controller, broadcast service data and a first transmission time to the base station; and transmitting, by the base station, the broadcast service data to each of its sector after the first transmission time, where the broadcast service data is transmitted to adjacent sectors sharing a common station address at different transmission times. Also, the present invention discloses a system and base station for transmitting broadcast service data in a single frequency network. With this technical solution, the phenomenon of fast fading of received signals in the prior art which occurs at adjacent edge zones of adjacent sectors in the same cell of the single frequency network can be avoided, and thus improving performance of receiving the signals.Type: ApplicationFiled: November 15, 2007Publication date: December 16, 2010Inventors: Yingmin Wang, Yu Ding, Jiajun Yang, Lei Mao, Junyun Yang