Patents by Inventor Guofeng QIAN
Guofeng QIAN 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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Patent number: 11979712Abstract: A piezoelectric microelectromechanical system microphone comprises a frame, a film of piezoelectric material including slits defining a plurality of independently displaceable piezoelectric elements within an area defined by a perimeter of the frame, bases of the plurality of piezoelectric elements mechanically secured to the frame, tips of the plurality of piezoelectric elements being free to be displaced in a direction perpendicular to a plane defined by the frame responsive to impingement of sound waves on the plurality of piezoelectric elements, and edge extensions extending from edges of the plurality of piezoelectric elements in the direction perpendicular to the plane defined by the frame to reduce a 3 dB roll-off frequency of the piezoelectric microelectromechanical system microphone.Type: GrantFiled: July 1, 2022Date of Patent: May 7, 2024Assignee: SKYWORKS SOLUTIONS, INC.Inventors: You Qian, Rakesh Kumar, Guofeng Chen
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Patent number: 11356294Abstract: A packet processing method includes receiving, by an aggregation gateway, a first tunnel establishment request message sent by a home gateway, and sending a first tunnel establishment success message to the home gateway; receiving, by the aggregation gateway, a second tunnel establishment request message sent by the home gateway, and sending a second tunnel establishment success message to the home gateway; associating, by the aggregation gateway, a first tunnel with a second tunnel according to an identifier of the home gateway; and sending a downlink packet to the home gateway by using the first tunnel and/or the second tunnel. The embodiments of the present application may increase bandwidth.Type: GrantFiled: September 21, 2020Date of Patent: June 7, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guofeng Qian, Guanfeng Li, Li Xue, Haibo Zhang
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Publication number: 20210006434Abstract: A packet processing method includes receiving, by an aggregation gateway, a first tunnel establishment request message sent by a home gateway, and sending a first tunnel establishment success message to the home gateway; receiving, by the aggregation gateway, a second tunnel establishment request message sent by the home gateway, and sending a second tunnel establishment success message to the home gateway; associating, by the aggregation gateway, a first tunnel with a second tunnel according to an identifier of the home gateway; and sending a downlink packet to the home gateway by using the first tunnel and/or the second tunnel. The embodiments of the present application may increase bandwidth.Type: ApplicationFiled: September 21, 2020Publication date: January 7, 2021Inventors: Guofeng Qian, Guanfeng Li, Li Xue, Haibo Zhang
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Patent number: 10812292Abstract: A packet processing method includes receiving, by an aggregation gateway, a first tunnel establishment request message sent by a home gateway, and sending a first tunnel establishment success message to the home gateway; receiving, by the aggregation gateway, a second tunnel establishment request message sent by the home gateway, and sending a second tunnel establishment success message to the home gateway; associating, by the aggregation gateway, a first tunnel with a second tunnel according to an identifier of the home gateway; and sending a downlink packet to the home gateway by using the first tunnel and/or the second tunnel. The embodiments of the present application may increase bandwidth.Type: GrantFiled: April 1, 2019Date of Patent: October 20, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guofeng Qian, Guanfeng Li, Li Xue, Haibo Zhang
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Patent number: 10666650Abstract: Embodiments of the present application provide a packet processing method in a Point-to-Point Protocol over Ethernet (PPPoE) authentication process and a relevant device. A first broadcast access server (BAS) exists in a broadcast domain in which a user terminal is located, the first BAS supports the PPPoE and corresponds to a first operator. The method includes receiving, by the first BAS, a PPPoE active discovery initiation (PADI) packet sent by the user terminal; and when determining that a quantity of authentication failures of the user terminal on the first BAS is greater than a preset threshold, skipping sending, by the first BAS, a PPPoE active discovery offer (PADO) packet to the user terminal in a preset period. The technical solutions in the embodiments of the present application resolve a problem that the user terminal cannot perform access because the user terminal establishes a session with the first BAS.Type: GrantFiled: October 27, 2017Date of Patent: May 26, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ting Hu, Guofeng Qian
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Publication number: 20190229950Abstract: A packet processing method includes receiving, by an aggregation gateway, a first tunnel establishment request message sent by a home gateway, and sending a first tunnel establishment success message to the home gateway; receiving, by the aggregation gateway, a second tunnel establishment request message sent by the home gateway, and sending a second tunnel establishment success message to the home gateway; associating, by the aggregation gateway, a first tunnel with a second tunnel according to an identifier of the home gateway; and sending a downlink packet to the home gateway by using the first tunnel and/or the second tunnel. The embodiments of the present application may increase bandwidth.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: Guofeng Qian, Guanfeng Li, Li Xue, Haibo Zhang
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Patent number: 10250410Abstract: Embodiments of the present invention provide a packet processing method and a device, where the packet processing method includes: receiving, by an aggregation gateway, a first tunnel establishment request message sent by a home gateway, and sending a first tunnel establishment success message to the home gateway; receiving, by the aggregation gateway, a second tunnel establishment request message sent by the home gateway, and sending a second tunnel establishment success message to the home gateway; associating, by the aggregation gateway, a first tunnel with a second tunnel according to an identifier of the home gateway; and sending a downlink packet to the home gateway by using the first tunnel and/or the second tunnel. The embodiments of the present invention may increase bandwidth.Type: GrantFiled: January 11, 2016Date of Patent: April 2, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Guofeng Qian, Guanfeng Li, Li Xue, Haibo Zhang
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Publication number: 20180054439Abstract: Embodiments of the present application provide a packet processing method in a Point-to-Point Protocol over Ethernet (PPPoE) authentication process and a relevant device. A first broadcast access server (BAS) exists in a broadcast domain in which a user terminal is located, the first BAS supports the PPPoE and corresponds to a first operator. The method includes receiving, by the first BAS, a PPPoE active discovery initiation (PADI) packet sent by the user terminal; and when determining that a quantity of authentication failures of the user terminal on the first BAS is greater than a preset threshold, skipping sending, by the first BAS, a PPPoE active discovery offer (PADO) packet to the user terminal in a preset period. The technical solutions in the embodiments of the present application resolve a problem that the user terminal cannot perform access because the user terminal establishes a session with the first BAS.Type: ApplicationFiled: October 27, 2017Publication date: February 22, 2018Inventors: Ting Hu, Guofeng Qian
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Patent number: 9871724Abstract: The present invention relates to a routing device. The routing device and at least one second routing device are both connected to a convergence device. The routing device is an active device and includes a user information synchronizing backup module configured to synchronize multicast service user information to the at least one second routing device in real time through the convergence device. In the present invention, an active routing device and a standby routing device are configured on the user-side, and user information is synchronized to the standby routing device in real time. Therefore, upon active/standby switching, user identification and authentication are not affected, whereby the validity of user traffic and channel is ensured. Furthermore, economic benefits of an operator are guaranteed. Moreover, with the present invention, switching speed is accelerated, service continuity is ensured, and Quality of Experience of a user is improved.Type: GrantFiled: January 19, 2012Date of Patent: January 16, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Huihuang Chen, Guofeng Qian
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Patent number: 9614810Abstract: The present invention provides an address allocation processing method, apparatus and system. The method includes: receiving, by a first BRAS, a DHCP relay packet sent by a second BRAS, wherein the DHCP relay packet includes a gateway IP address and source IP address-based response information; parsing, by the first BRAS, the DHCP relay packet, acquiring the gateway IP address, and allocating an idle IP address from an acquired address pool matching the gateway IP address; encapsulating, by the first BRAS, a source IP address in the DHCP relay packet into a destination IP address in a response packet according to the source IP address-based response information, and sending the idle IP address carried in the encapsulated response packet to the second BRAS. The present invention effectively solve a problem that an address waste phenomenon exists by using a built-in DHCP server in a dual-device hot backup scene.Type: GrantFiled: June 6, 2013Date of Patent: April 4, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Chengguang Niu, Zhiwang Zhao, Guofeng Qian
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Patent number: 9430020Abstract: The embodiments of the present disclosure provide a method, a device and a system for data stream transmission, which relate to the field of communication, and can reduce the energy consumption of the data stream transmission between devices. The method includes: receiving, by a resting device, a message indicating to enter into an energy-saving state; after receiving the message indicating to enter into the energy-saving state, sending, by the resting device, stored user information to an on-duty device so that the on-duty device receives and synchronizes user information; and, after the user information is synchronized, setting, by the resting device, the transmission state of the resting device as standby and entering into a sleeping state. The embodiments of the present disclosure are used for data stream transmission.Type: GrantFiled: February 10, 2014Date of Patent: August 30, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Hongguo Zhang, Guofeng Qian, Chengguang Niu, Qi Zhang
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Patent number: 9389669Abstract: The embodiments of the present disclosure provide a method, a device and a system for data stream transmission, which relate to the field of communication, and can reduce the energy consumption of the data stream transmission between devices. The method includes: receiving, by a resting device, a message indicating to enter into an energy-saving state; after receiving the message indicating to enter into the energy-saving state, sending, by the resting device, stored user information to an on-duty device so that the on-duty device receives and synchronizes user information; and, after the user information is synchronized, setting, by the resting device, the transmission state of the resting device as standby and entering into a sleeping state. The embodiments of the present disclosure are used for data stream transmission.Type: GrantFiled: February 10, 2014Date of Patent: July 12, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Hongguo Zhang, Guofeng Qian, Chengguang Niu, Qi Zhang
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Publication number: 20160127150Abstract: Embodiments of the present invention provide a packet processing method and a device, where the packet processing method includes: receiving, by an aggregation gateway, a first tunnel establishment request message sent by a home gateway, and sending a first tunnel establishment success message to the home gateway; receiving, by the aggregation gateway, a second tunnel establishment request message sent by the home gateway, and sending a second tunnel establishment success message to the home gateway; associating, by the aggregation gateway, a first tunnel with a second tunnel according to an identifier of the home gateway; and sending a downlink packet to the home gateway by using the first tunnel and/or the second tunnel. The embodiments of the present invention may increase bandwidth.Type: ApplicationFiled: January 11, 2016Publication date: May 5, 2016Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Guofeng QIAN, Guanfeng LI, Li XUE, Haibo ZHANG
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Publication number: 20150359017Abstract: A method for implementing communication in a WLAN is provided. A routing device receives a packet from an authentication server. The packet carries an identifier of a user terminal and a pairwise master key PMK corresponding to the identifier of the user terminal. The routing device is an endpoint that initiates EAP authentication. The routing device manages the user terminal. The routing device from the packet obtains the identifier of the user terminal and the PMK. The routing device sends a control message to an access controller AC. The control message carries the identifier of the user terminal and the PMK. The AC manages the AP. The user terminal accesses the WLAN by using the AP. The routing device receives a response message from the AC.Type: ApplicationFiled: August 18, 2015Publication date: December 10, 2015Inventors: Li Xue, Jingwei Li, Hongliang Gao, Gang Chen, Guofeng Qian
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Publication number: 20140157014Abstract: The embodiments of the present disclosure provide a method, a device and a system for data stream transmission, which relate to the field of communication, and can reduce the energy consumption of the data stream transmission between devices. The method includes: receiving, by a resting device, a message indicating to enter into an energy-saving state; after receiving the message indicating to enter into the energy-saving state, sending, by the resting device, stored user information to an on-duty device so that the on-duty device receives and synchronizes user information; and, after the user information is synchronized, setting, by the resting device, the transmission state of the resting as standby and entering into a sleeping state. The embodiments of the present disclosure are used for data stream transmission.Type: ApplicationFiled: February 10, 2014Publication date: June 5, 2014Applicant: Huawei Technologies Co., Ltd.Inventors: Hongguo ZHANG, Guofeng QIAN, Chengguang NIU, Qi ZHANG
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Patent number: 8606937Abstract: Embodiments of the present invention provide an information providing method, a home gateway, and a home network system. The method includes: obtaining an IPv6 address or an IPv6 prefix of a client and a service type of the client; establishing a mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client; sending the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client to a Broadband Remote Access Server (BRAS), so that the BRAS dispatches and manages a service of the client according to the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client.Type: GrantFiled: December 28, 2011Date of Patent: December 10, 2013Assignee: Huawei Technologies Co., Ltd.Inventors: Guofeng Qian, Shuxiang Wang, Zhiwang Zhao, Huihuang Chen, Jin Qiu, Lei Zhang
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Publication number: 20130326014Abstract: The present invention provides an address allocation processing method, apparatus and system. The method includes: receiving, by a first BRAS, a DHCP relay packet sent by a second BRAS, wherein the DHCP relay packet includes a gateway IP address and source IP address-based response information; parsing, by the first BRAS, the DHCP relay packet, acquiring the gateway IP address, and allocating an idle IP address from an acquired address pool matching the gateway IP address; encapsulating, by the first BRAS, a source IP address in the DHCP relay packet into a destination IP address in a response packet according to the source IP address-based response information, and sending the idle IP address carried in the encapsulated response packet to the second BRAS. The present invention effectively solve a problem that an address waste phenomenon exists by using a built-in DHCP server in a dual-device hot backup scene.Type: ApplicationFiled: June 6, 2013Publication date: December 5, 2013Inventors: Chengguang Niu, Zhiwang Zhao, Guofeng Qian
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Publication number: 20130290561Abstract: A method for providing user information to a CGN device, includes: receiving, by the RADIUS server, accounting start request information of a user sent by the BRAS device, where the accounting start request information carries user information of the user, and the user information includes: a user identity and management information of the user; and sending, by the RADIUS server, the user information to a CGN device, so that the CGN device is capable of performing network management on the user according to the user information.Type: ApplicationFiled: June 25, 2013Publication date: October 31, 2013Inventors: Guofeng QIAN, Guanfeng Li, Dayong Guo, Shuxiang Wang
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Publication number: 20120113799Abstract: The present invention relates to a routing device. The routing device and at least one second routing device are both connected to a convergence device. The routing device is an active device and includes a user information synchronizing backup module configured to synchronize multicast service user information to the at least one second routing device in real time through the convergence device. In the present invention, an active routing device and a standby routing device are configured on the user-side, and user information is synchronized to the standby routing device in real time. Therefore, upon active/standby switching, user identification and authentication are not affected, whereby the validity of user traffic and channel is ensured. Furthermore, economic benefits of an operator are guaranteed. Moreover, with the present invention, switching speed is accelerated, service continuity is ensured, and Quality of Experience of a user is improved.Type: ApplicationFiled: January 19, 2012Publication date: May 10, 2012Applicant: Huawei Technologies Co., Ltd.Inventors: Huihuang Chen, Guofeng Qian
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Publication number: 20120102213Abstract: Embodiments of the present invention provide an information providing method, a home gateway, and a home network system. The method includes: obtaining an IPv6 address or an IPv6 prefix of a client and a service type of the client; establishing a mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client; sending the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client to a Broadband Remote Access Server (BRAS), so that the BRAS dispatches and manages a service of the client according to the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client.Type: ApplicationFiled: December 28, 2011Publication date: April 26, 2012Inventors: Guofeng QIAN, Shuxiang Wang, Zhiwang Zhao, Huihuang Chen, Jin Qiu, Lei Zhang